CN116424684B - Fresh food packaging box and manufacturing process thereof - Google Patents

Abstract

The present application relates to the technical field of packaging boxes, and in particular to a fresh food packaging box, comprising a base plate, a pair of front and rear side panels of equal size symmetrically disposed on both sides of the base plate, and a pair of left and right side panels of equal size symmetrically disposed at both ends of the base plate. The front and rear side panels and the left and right side panels are both capable of folding upward and forming a box structure with the base plate for containing items. The front and rear side panels are connected to a cover panel on the side away from the base plate, and both ends of the front and rear side panels are provided with a snap-fit member, the snap-fit member comprising snap-fit plates symmetrically disposed at both ends of the front and rear side panels, the snap-fit plates being capable of folding inside the box body, and snap-fit holes being provided on both the left and right side panels and the cover panel, and the snap-fit plates being snap-fitted into the snap-fit holes. The present application also relates to a manufacturing process for a fresh food packaging box, comprising the following steps: pressing the box sheet material; cutting the box sheet material; performing an indentation process; and collecting the cartons. The present application has the effect of reducing the time required to form the packaging box, improving packaging efficiency, and enabling the packaging box to be recycled and reused.

Description

Fresh packaging box and manufacturing process thereof

Technical Field

The application relates to the technical field of packaging boxes, in particular to a fresh packaging box and a manufacturing process thereof.

Background

The packaging box is widely applied to daily production and life of people, is mainly used for accommodating and sorting articles, or is used for loading the articles into a paper box for carrying and transporting, such as various packaging boxes for packaging fruits or foods, and can be used for timely packaging and transporting fresh picked fruits to various places in China in the season of fruit harvesting, so that higher economic benefits can be achieved for fruit farmers.

When the existing packaging box is used, the bottom and the top of the box are required to be sealed with adhesive tape or nailed, and when the object contained in the packaging box is too heavy, the bottom of the box formed by folding the split sheets is easy to be propped open by the packaged object and damage the packaged object.

Under the condition that the yield of fresh articles is large, the consumption of the packaging box can be increased, in order to improve the packaging speed, the used packaging box is always folded, the existing folding carton still needs transparent glue and the like to assist in fixing when being folded and molded, an auxiliary fixing procedure is added, the molding time of the packaging box is increased, meanwhile, resources are wasted, the packaging box is stacked to be arranged after containing fruits, and the packaging box occupies a large space and cannot be reused in the follow-up process.

Disclosure of Invention

In order to reduce the molding time of a packaging box, improve the packaging efficiency and enable the packaging box to be recycled, the application provides a fresh packaging box and a manufacturing process thereof.

In a first aspect, the application provides a fresh packaging box, which adopts the following technical scheme:

The utility model provides a fresh packing box, includes the bottom plate, the bilateral symmetry of bottom plate is provided with the curb plate around the same size, the both ends symmetry of bottom plate is provided with the curb plate about the same size, curb plate and left and right sides board homoenergetic are folding towards the homonymy to form the box structure of splendid attire article with the bottom plate, the curb plate is kept away from one side of bottom plate all is connected with the apron around, the both ends of curb plate all are provided with the joint spare around, the joint spare is including the joint board at curb plate both ends around the symmetry sets up, the joint board can fold inside the box, the joint hole has all been seted up on curb plate and the apron about, joint board joint cooperation is in the joint hole.

Through adopting above-mentioned technical scheme, when using the packing box to pack fresh article, the user can be quick fold the equipment with the packing box, folding in-process, the joint hole and the joint board that set up through the cooperation are with the curb plate about with, form the box structure of packing article, in folding the packing box in-process, owing to do not adopt sticky tape bonding and bind fixed mode, the time of folding the packing box has been saved greatly, the efficiency of folding every packing box has been improved, in addition, use joint complex shortcut, after the packing box is used to accomplish, the user can also be quick unpack apart the packing box, form the cardboard shape, conveniently pile up neatly, area has been reduced, at the in-process of unpacking, the structure of carton still can not be destroyed, the follow-up used repeatedly of continuing has been convenient, resources are saved, also avoid causing environmental pollution simultaneously.

Optionally, the tip of curb plate all is provided with a pair of joint board of laminating each other around, the joint board is provided with the joint piece near the upper side of apron, and the side interconnect of joint board is kept away from to two joint pieces to the homonymy that joint board was kept away from to two joint pieces forms joint portion, joint portion joint cooperation is in the joint hole.

Through adopting above-mentioned technical scheme, a pair of joint board that sets up and the joint piece that sets up on the joint board, two joint pieces connect into an organic whole structure, can increase the intensity of joint piece, make the joint piece can be repeated peg graft the cooperation with the joint hole, prevent that the joint piece of individual layer from after many times cooperation with the joint hole, the joint piece of paper becomes soft, leads to the joint strength reduction between the curb plate about with the apron, can't be effectual connect apron and left and right sides board.

Optionally, the inboard parallel arrangement of controlling the curb plate has the second curb plate that the size is the same, the last side that the bottom plate was kept away from to control curb plate and second curb plate is provided with the connecting plate of connecting both, a pair of joint board of curb plate tip is located between control curb plate and the second curb plate about, the joint hole is seted up on the connecting plate, joint portion can upwards pass the joint hole on the connecting plate.

Through adopting the technical scheme, the double-layer structure is formed between the second side plate and the left side plate and the right side plate, when the packing box containing articles is stacked and placed, the stress intensity of the packing box can be increased between the left side plate and the right side plate of the double-layer structure and the second side plate, so that the packing box can be stacked and placed in multiple layers, after the packing boxes are mutually stacked, the packing boxes can not bear larger gravity and the fresh articles inside the packing box are crushed, in addition, when the articles contained in the packing boxes are too much and are extruded outwards, the connecting intensity between the left side plate and the right side plate and the front side plate and the rear side plate of the double-layer structure is increased, the packing boxes are prevented from being broken from the connected positions, and the packing boxes are prevented from being damaged.

Optionally, the fixed orifices have been seted up to the tip that the bottom plate is close to left and right sides board, be provided with the fixed block on the lower side that the second curb plate is close to the bottom plate, the fixed block grafting cooperation is in the fixed orifices.

Through adopting above-mentioned technical scheme, after the second curb plate is folded on the joint board, the fixed block on the second curb plate can peg graft the cooperation in the fixed orifices, realizes fixing the second curb plate, prevents that second curb plate lower limb from opening inside the packing box, influences splendid attire fresh article, in addition, the fixed block peg graft the cooperation behind the fixed orifices, makes about curb plate and second curb plate can be firmly fixed on the bottom plate with the joint board.

Optionally, the upper surface of apron is upwards worn out to joint portion, and when two or more packing boxes stack and place, joint portion grafting cooperation is inside the corresponding fixed orifices of upper packing box.

Through adopting above-mentioned technical scheme, after a large amount of packing boxes splendid attire living fresh article, the user can stack the packing box and place, and joint portion on the lower floor's packing box can peg graft the cooperation in the fixed orifices on the upper packing box bottom plate that corresponds, makes to form the connection between upper and lower adjacent two-layer packing box, prevents that the packing box from stacking the layer number too much back, and the packing box takes place to empty.

Optionally, a relief hole is formed on the lower side edge of the clamping plate and at a position opposite to the fixing hole.

Through adopting above-mentioned technical scheme, when upper packing box was placed on lower floor's packing box, make the whole grafting cooperation that joint portion can be smooth inside the fixed orifices, increase the connection effect between the upper and lower two-layer packing box, avoid joint board lower side shutoff in fixed orifices department, make joint portion unable upwards insert in the fixed orifices.

Optionally, the left side plate and the right side plate are provided with buckling hand holes.

Through adopting above-mentioned technical scheme, the handle hole that sets up facilitates the user to carry the packing box to the position department of stacking.

Optionally, buffer cotton is arranged on the inner surfaces of the front side plate and the rear side plate.

Through adopting above-mentioned technical scheme, after the fresh article is placed inside the packing box, the buffering cotton can alleviate fresh article transportation in-process, and the back and forth takes place to rock to avoid fresh article to strike the packing box internal surface back and forth and take place to damage.

Optionally, a vent hole is formed at the joint of the cover plate and the front and rear side plates.

Through adopting above-mentioned technical scheme, when the packing box piles up to deposit, packing box top opening is compressed tightly by upper box, and ventilation hole that sets up can ventilate towards the packing box is inside, keeps the freshness of fresh article, prevents that fresh article from taking place to damage.

In a second aspect, the application provides a manufacturing process of a fresh packaging box, which adopts the following technical scheme:

A manufacturing process of a fresh packaging box comprises the following steps:

pressing the box body plate, and compacting the original coiled materials of the multilayer packaging box through a compacting device;

Cutting the box body plate, cutting the compacted plate, and cutting the box body into the initial shape;

the indentation treatment, namely pressing folds at the positions which are needed to be folded on the cut box body plate;

And collecting the cartons, namely orderly stacking and collecting the cartons subjected to indentation treatment.

By adopting the technical scheme, the environment-friendly packaging box has the advantages that the production process is simple, all working procedures can realize on-line automatic production, the manual operation links are few, the time and the labor are saved, the environment-friendly packaging box meets the environment-friendly requirement, the box sealing tape and the binding fixation are not required to be used for sealing the box, the pollution to the environment is reduced, and the environment-friendly packaging box is suitable for large-scale production and industrial application.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When the packing box is packed, a user can rapidly fold and assemble the packing box, in the folding process, the front side plate, the rear side plate and the left side plate are connected through the clamping holes and the clamping plates which are matched, so that a box body structure for packing objects is formed, in the folding process, the time for folding the packing box is greatly saved, and the efficiency for folding each packing box is improved because the packing box is not bonded by adhesive tapes and bound and fixed;

2. according to the application, the snap-fit quick fixing mode is used, after the packaging box is used, a user can also quickly disassemble the packaging box to form a paper plate shape, so that the collection and arrangement are convenient, the occupied area is reduced, the integral structure of the carton is not damaged in the disassembling process, the subsequent repeated use is convenient, the resources are saved, and meanwhile, the environmental pollution is avoided;

3. The clamping blocks and the pair of clamping plates are arranged on the clamping plate, so that the two clamping blocks are connected into an integral structure, the strength of the clamping blocks can be increased, the clamping blocks can be repeatedly matched with the clamping holes in a plugging manner, the packaging box can be repeatedly used, and after the single-layer clamping blocks are prevented from being matched with the clamping holes for a plurality of times, the paper clamping blocks are softened, the connection strength between the paper clamping blocks and the cover plate is reduced, and the cover plate and the left side plate and the right side plate cannot be effectively connected;

4. can increase the atress intensity of packing box between curb plate and the second curb plate about bilayer structure that sets up, make the packing box can stack and place the multilayer, prevent after the packing box stacks each other that the packing box can not bear great gravity, the inside fresh article of packing box is crushed.

Drawings

Fig. 1 is a schematic view of the overall structure of a packing box embodying the embodiment of the present application;

FIG. 2 is an expanded schematic view showing the internal structure of the packing box according to the embodiment of the present application;

fig. 3 is a flowchart showing the process of manufacturing a package according to an embodiment of the present application.

The reference numerals are 1, a bottom plate, 11, a fixing hole, 2, a front side plate, a rear side plate, 21, buffer cotton, 22, a vent hole, 3, a left side plate, a right side plate, 31, a buckling hole, 4, a clamping piece, 41, a connecting plate, 411, a yielding port, 42, a clamping block, 5, a cover plate, 6, a second side plate, 61, a connecting plate, 62, a fixing block and 7, and a clamping hole.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a fresh packaging box.

Referring to fig. 1 and 2, a fresh packing case includes a rectangular bottom plate 1, a pair of front and rear side plates 2 are symmetrically fixed at both sides of the bottom plate 1 in the length direction, the length direction of the front and rear side plates 2 is identical to the length direction of the bottom plate 1, a pair of left and right side plates 3 are symmetrically fixed at both ends of the bottom plate 1, the length direction of the left and right side plates 3 is identical to the width direction of the bottom plate 1, the front and rear side plates 2 and the left and right side plates 3 are corrugated paper integrally formed, the front and rear side plates 2 can be folded upwards along both sides of the bottom plate 1, the front and rear side plates 2 are in a vertical state with the bottom plate 1, the left and right side plates 3 can be folded upwards along both ends of the bottom plate 1, the front and rear side plates 2 and the left and right side plates 3 can form a rectangular box structure after being folded on the bottom plate 1, and the two ends of the front and rear side plates 2 are all provided with clamping pieces 4 fixedly connected with the left and right side plates 3, when fresh articles are transported, a user can quickly assemble the bottom plate 1, the front and rear side plates 2 and the left and the right side plates 3 can be assembled quickly.

The equal fixedly connected with apron 5 on the upside edge that bottom plate 1 was kept away from to curb plate 2 around, the length direction of apron 5 is the same with the length direction of curb plate 2 around, apron 5 and curb plate 2 are corrugated paper integrated into one piece structure around, apron 5 can be folded along its junction with curb plate 2 around, make apron 5 and curb plate 2 be the vertical state around, and the apron 5 of box both sides can be covered in box upper end opening part, after fresh article splendid attire arrives the box inside, two apron 5 that set up can prevent fresh article in the in-process of transportation, fall out from the packing box is inside.

Referring to fig. 1 and 2, the clamping members 4 comprise clamping plates 41 symmetrically arranged at two ends of the front side plate 2 and the rear side plate 2, a pair of clamping blocks 42 are respectively arranged at the upper edges of the two clamping plates 41, the length direction of the two clamping plates 41 is the same as that of the left side plate 3 and the right side plate 3, the two clamping plates 41 are in vertical states with the bottom plate 1 and the front side plate 2, the two clamping plates 41 are positioned at the inner sides of the left side plate 3 and the right side plate 3, the end parts of the clamping plates 41 positioned at the outer sides of the two clamping plates 41 are connected with the end parts of the front side plate 2 and the rear side plate 2, the clamping plates 41 and the front side plate 2 are integrally formed, the clamping plates 41 can be folded into the inside of the packaging box along the end edges of the front side plate 2, the clamping blocks 42 are fixedly connected with the upper edges of the two clamping plates 41, the two clamping plates 41 are connected and fixed away from the side edges of the clamping plates 41, the clamping plates 41 positioned at the inner sides can be folded along the connecting parts of the two clamping plates 42, when the packaging box is assembled, the user firstly folds the clamping plates 41 close to the inner sides of the packaging box, the two clamping plates 41 are mutually attached after the two clamping plates 41 are folded, then the two clamping plates 41 are folded along the end edges of the front side plate 2 and the front side plate 2 can be folded vertically folded along the front side plate 2 and folded along the side plate 2.

Inside and the being located box inside parallel arrangement of left and right sides board 3 have second curb plate 6, second curb plate 6 is the same with left and right sides board 3 size, and be provided with certain clearance between second curb plate 6 and the left and right sides board 3, two joint boards 41 are located between left and right sides board 3 and the second curb plate 6, keep away from the upper side limit fixedly connected with connecting plate 61 of bottom plate 1 at left and right sides board 3 and second curb plate 6, the length direction of connecting plate 61 is the same with the length direction of left and right sides board 3 and second curb plate 6, second curb plate 6 and connecting plate 61 are all with left and right sides board 3 as integrated into one piece setting, left and right sides board 3 and second curb plate 6 all can fold along the both sides limit of connecting plate 61, left and right sides board 3 after folding and second curb plate 6 can wrap up joint board 41 in, realize fixing two sets of joint boards 41 of the same one end of front and back curb plate 2, and the second curb plate 6 that sets up can increase the intensity of left and right sides board 3, when pile up behind the splendid attire fresh article, left and right sides board 3 and second curb plate 6 form bilayer structure when pile up, it can bear the packing box and can more to pile up the packing box after the packing box, can avoid the bad packing box to fold.

Further, a pair of fixing holes 11 are formed in edge positions of two ends of the bottom plate 1, the two fixing holes 11 are uniformly distributed along the width direction of the bottom plate 1, the two fixing holes 11 are correspondingly arranged with the two groups of clamping plates 41, the two clamping plates 41 are transversely arranged on the fixing holes 11, a pair of fixing blocks 62 are fixedly connected to the edge of the lower side of the second side plate 6, which is close to the bottom plate 1, the two fixing blocks 62 can be inserted and matched in the corresponding fixing holes 11, when the second side plate 6 is folded and arranged inside the packaging box, a user enables the two fixing blocks 62 to be inserted in the corresponding fixing holes 11, so that the second side plate 6 is fixed, and after the second side plate 6 is fixed, the two groups of clamping plates 41 are fixed.

Referring to fig. 1 and 2, a clamping hole 7 is formed in a connecting plate 61 and located at the position of two clamping blocks 42, when the connecting plate 61 is folded and arranged above two clamping plates 41, the two clamping blocks 42 can form a clamping part, the clamping part upwards passes through the clamping hole 7, and the connecting plate 61 can be pressed onto the two clamping plates 41, so that the two clamping plates 41 can be firmly fixed between the left side plate 3 and the right side plate 3 and the second side plate 6 through the clamping blocks 42 and the clamping holes 7 which are matched, and the front side plate 2 and the rear side plate 2 are outwards stretched to prevent the damage of a box body due to too much articles in the process of transporting the articles; the end of the cover plate 5 is provided with the same clamping hole 7 at the position of the clamping part, when the articles in the packaging box are contained, the cover plate 5 is covered at the opening of the upper part of the packaging box by a user, the clamping hole 7 on the cover plate 5 is aligned with the clamping part, the clamping part can pass through the clamping hole 7 on the cover plate 5, so that the cover plate 5 is fixed on the clamping part, after the clamping part passes through the clamping hole 7 on the cover plate 5 upwards, the end of the clamping part is higher than the upper surface of the cover plate 5, after a large number of packaging boxes are contained with fresh articles, the packaging boxes can be stacked for placement, the clamping part on the lower packaging box can be spliced and matched in the fixing hole 11 on the corresponding upper packaging box bottom plate 1, the upper and lower adjacent packaging boxes are connected, and the packaging boxes are prevented from toppling after the number of stacked packaging boxes is too large.

Further, the lower sides of the two clamping plates 41 facing the fixing holes 11 are respectively provided with a yielding opening 411, the yielding openings 411 are larger than the fixing holes 11, when the upper layer packaging box is placed on the lower layer packaging box, the clamping parts can be smoothly spliced and matched inside the fixing holes 11, the lower sides of the clamping plates 41 are prevented from being blocked at the fixing holes 11, the clamping parts cannot be inserted into the fixing holes 11 upwards, the middle positions of the left side plate 3 and the right side plate 3 are respectively provided with a buckling hand hole 31, after a user finishes loading fresh articles, the buckling hand holes 31 are arranged for facilitating the user to transport the packaging box to a stacking position, buffer cotton 21 is arranged on the inner surfaces of the front side plate 2 and the rear side plate 2, after the fresh articles are placed inside the packaging box, the fresh articles are prevented from shaking back and forth in the transportation process, the connecting positions of the front side plate 2 and the rear side plate 5 are respectively provided with a plurality of ventilation holes 22, when the packaging box is stacked and stored, the upper opening of the packaging box is pressed by the upper layer packaging box, and the arranged ventilation holes 22 can be ventilated towards the inside of the packaging box, so that fresh articles are prevented from being damaged.

When the fresh packaging box is required to be used for containing fresh articles, a user folds and assembles the packaging box, firstly folds the front side plate and the rear side plate 2 upwards, folds the two clamping plates 41 onto the bottom plate 1, then folds the left side plate 3, the right side plate 3 and the second side plate 6, wraps the clamping plates 41 by the second side plate 6, enables the fixing blocks 62 on the second side plate 6 to be in inserted fit in the fixing holes 11, thereby connecting the front side plate 2, the rear side plate 2 and the left side plate 3, then folds the other side edges of the packaging box, contains the fresh articles in the packaging box after the folding is completed, and buckles the clamping holes 7 on the two cover plates 5 on the clamping parts after the containing is completed, and fixes the cover plates 5.

The embodiment of the application also discloses a manufacturing process of the fresh packaging box.

Referring to fig. 2 and 3, a process for manufacturing a fresh packing box includes the steps of:

S1, pressing a box body plate;

According to the packing box of needs preparation, select the kraft paper coiled material of different quantity, install the unreeling device of preparation packing box with initial raw and other materials kraft paper coiled material, be provided with the compaction device that suppresses the kraft paper coiled material in unreeling device's next process, all pass on the compaction device with the one end of multireel kraft paper coiled material, compress tightly the multilayer kraft paper coiled material through the compaction device, form initial state's carton panel.

The adhesive assembly comprises a plurality of spray pipes which are arranged on the unreeling device and positioned below each kraft paper coiled material, the spray pipes are uniformly distributed along the width direction of the coiled materials, the spray pipes are connected into a whole through a set main pipe, a water tank and a water pump which is arranged on the water tank are arranged outside the unreeling device, when the coiled materials are sprayed with water, the water pump pumps the water inside the water tank into the main pipe and sprays water onto the surface of the coiled materials through the spray pipes so as to infiltrate the kraft paper coiled materials in advance, the adhesive assembly further comprises a plurality of spray pipes which are arranged on the unreeling device and are one less than the quantity of the kraft paper coiled materials, the spray pipes are arranged at positions where the kraft paper coiled materials are to be laminated and bonded, and the spray pipes comprise spray pipes which are identical to the structure of the spray pipes, a glue box which is arranged outside the unreeling device and a glue pump which is arranged on the glue box.

Further, after the compaction of multilayer kraft paper coiled material, be provided with drying device and carry out the stoving operation to carton panel, drying device is including setting up a plurality of air heaters in box panel top and below position department, a plurality of air heaters are along the width direction evenly distributed of carton panel, and the wind gap of air heater all sets up towards the carton panel, after the carton panel is accomplished by the compaction, the moisture on carton surface and the glue solution between the adjacent two-layer kraft paper coiled material are all not totally dry, make carton panel itself still be in flexible state, use the air heater to dry, moisture and glue solution rapid drying on the carton panel, make carton panel reach the state of design.

S2, cutting the carton board processed and shaped in the step S1, so that the cut carton board forms an initial state of a packaging box, wherein in the cutting process, the bottom plate 1, the front side plate 2, the rear side plate 2, the left side plate 3, the right side plate 3, the cover plate 5, the clamping plate 41 and the second side plate 6 are in an integrated state, and in the cutting process, a hole cutting machine is used for cutting a fixing hole 11, a clamping hole 7, a ventilation hole 22, a yielding hole 411 and a buckling hole 31.

And S3, carrying out indentation treatment on the cut plate, wherein an indentation machine is adopted at the position needing to be folded in the indentation process, wherein the position needing to be indented is the joint of the four sides of the bottom plate 1, the front side plate 2, the rear side plate 2, the left side plate 3, the right side plate 3, the joint of the front side plate 2, the rear side plate 2, the cover plate 5, the joint of the two sides of the connecting plate 61, the left side plate 3, the right side plate 3, the second side plate 3 and the second side plate 2, and the joint of the clamping plate 41 and the front side plate 2 can be clearly seen on the carton plate after the indentation treatment, so that the folding is convenient for a subsequent user.

S4, collecting and sorting, namely, after the indentation treatment of the carton plates, stacking and collecting the processed packaging boxes by workers, and folding the packaging box plates when fresh articles need to be contained.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (2)

1. The fresh packaging box is characterized by comprising a bottom plate (1), wherein a pair of front side plates and rear side plates (2) with the same size are symmetrically arranged on two sides of the bottom plate (1), a pair of left side plates and right side plates (3) with the same size are symmetrically arranged on two ends of the bottom plate (1), the front side plate (2) and the rear side plate (3) can be folded towards the same side and form a box structure for containing articles with the bottom plate (1), one sides, far away from the bottom plate (1), of the front side plate (2) and the rear side plate (2) are respectively connected with a cover plate (5), clamping pieces (4) are respectively arranged at two ends of the front side plate and the rear side plate (2), the clamping pieces (4) comprise clamping plates (41) symmetrically arranged at two ends of the front side plate and the rear side plate (2), the clamping plates (41) can be folded in the box, clamping holes (7) are respectively formed in the left side plate (3) and the cover plates (5), and the clamping plates (41) are in a clamping fit mode in the clamping holes (7).

The end parts of the front side plate (2) and the rear side plate (2) are respectively provided with a pair of mutually-attached clamping plates (41), the upper side edges, close to the cover plate (5), of the clamping plates (41) are provided with clamping blocks (42), the side edges, far away from the clamping plates (41), of the two clamping blocks (42) are mutually connected, the two clamping blocks (42) are far away from the same side of the clamping plates (41) to form clamping parts, and the clamping parts are in clamping fit in the clamping holes (7);

The inner sides of the left side plate (3) and the right side plate (3) are provided with second side plates (6) with the same size in parallel, the upper side edges of the left side plate (3) and the right side plate (6) which are far away from the bottom plate (1) are provided with connecting plates (61) for connecting the left side plate and the right side plate, a pair of clamping plates (41) at the end parts of the front side plate (2) and the rear side plate (2) are positioned between the left side plate (3) and the second side plate (6), the clamping holes (7) are formed in the connecting plates (61), the clamping parts can upwards penetrate through the clamping holes (7) in the connecting plates (61), the end parts, close to the left side plate (3) and the right side plate (1), of the bottom plate (1) are provided with fixing holes (11), and the lower side edges, close to the bottom plate (1), of the second side plate (6) are provided with fixing blocks (62) in a plugging fit in the fixing holes (11).

The clamping plate (41) is provided with a yielding port (411) at the position opposite to the fixing hole (11), the left side plate (3) and the right side plate (3) are provided with buckling holes (31), the inner surfaces of the front side plate and the rear side plate (2) are respectively provided with buffer cotton (21), and the joint of the cover plate (5) and the front side plate and the rear side plate (2) is provided with a vent hole (22).

2. A process for manufacturing a fresh packing box according to claim 1, which is characterized by comprising the following steps:

pressing the box body plate, and compacting the original coiled materials of the multilayer packaging box through a compacting device;

Cutting the box body plate, cutting the compacted plate, and cutting the box body into the initial shape;

the indentation treatment, namely pressing folds at the positions which are needed to be folded on the cut box body plate;

And collecting the cartons, namely orderly stacking and collecting the cartons subjected to indentation treatment.