CN114589570B - A corner grinding device for the production of metal doors and windows - Google Patents

Abstract

The invention discloses a corner polishing device for producing metal doors and windows, which comprises metal door and window frames to be polished and hand-held electric tighteners for shrinking and changing the distance, wherein the two symmetrical side edges of the metal door and window frames are respectively provided with a polisher frame body clung to the metal door and window frames, the two polisher frame bodies are clamped at the two ends of the metal door and window frames through the hand-held electric tighteners, the cross sections of the polisher frame bodies are U-shaped, the opposite inner walls of the polisher frame bodies are respectively provided with two second polishing disks for polishing frames, and the inner side walls of the polisher frame bodies adjacent to the opposite inner walls are respectively provided with a first polishing disk for polishing frames. According to the invention, the first polishing disc and the two second polishing discs are used for polishing the surface of the metal door and window frame body attached to the sander frame body, so that clamping and polishing can be effectively performed simultaneously, and the problem that the clamping part cannot be polished to generate polishing dead angles is avoided.

Description

A corner grinding device for the production of metal doors and windows

technical field

The invention relates to the technical field of door and window grinding, in particular to an edge grinding device used in the production of metal doors and windows.

Background technique

At present, in the production process of aluminum alloy, it is often necessary to effectively polish the aluminum alloy that has been produced, especially at the corners of the aluminum alloy. During the production and cutting process, burrs appear on the edge of the cutting due to cutting problems, which makes the Alloy doors and windows are very easy to cut porters. Refer to the reference document with application number CN202011284424.7. In this reference document, a grinding device is used to effectively grind the aluminum alloy and remove the polished debris and adjust the angle of the material;

However, the grinding device in the prior art is often a grinding device that effectively grinds the clamped aluminum alloy doors and windows, and adjusts the angle of the aluminum alloy doors and windows, which often causes two problems:

First of all, for the clamping parts of aluminum alloy doors and windows, it is difficult for the corresponding grinding device to effectively cut and polish the clamping corners, which is easy to leave grinding dead corners, and requires a secondary grinding process;

Secondly, the chamfering of aluminum alloy doors and windows will often cause broken metal residues at the edge of the chamfering, which can easily lead to uneven burrs on the originally polished surface.

For this reason, we have designed an edge grinding device for the production of metal doors and windows.

Contents of the invention

The purpose of the present invention is to solve the problem that it is difficult for the grinding device to effectively cut and grind the clamped corners, and propose a corner grinding device for the production of metal doors and windows.

In order to achieve the above object, the present invention adopts the following technical solutions:

A corner grinding device for the production of metal doors and windows, including a metal door and window frame to be polished and a hand-held electric tightener for shrinking and changing the spacing, and the symmetrical sides of the metal door and window frame are installed There is a sander frame that is close to the metal door and window frame, and the two sander frames are clamped at both ends of the metal door and window frame by hand-held electric tighteners. The cross section of the sander frame is U-shaped, so Two second grinding discs for grinding the frame are arranged on the opposite inner wall of the frame of the polisher, and the first grinding disc for grinding the frame is arranged on the inner wall adjacent to the relative inner wall on the frame of the polisher. Both sides of the polisher frame are provided with a plurality of friction belts for chamfering the metal door and window frames. The two ends of the friction belt are provided with steel ball adapter wheels for driving the friction belt to rotate. The inner wall of the friction belt is provided with a useful For the curved frame that changes the shape of the friction belt, the steel ball adapter wheel is driven by the adapter belt and the friction belt, and the side wall of the grinder frame is provided with an electric motor for driving the rotation of the first grinding disc. An inner cavity is arranged in the frame, and a transmission device is arranged in the inner cavity. Both ends of the first grinding disc are rotated in cooperation with the second grinding disc through the transmission device. Rotating fan blades with a fixed shaft, multiple friction belts are arranged on both sides of the sander frame, and the distance between the two friction belts on the same side is smaller than the diameter of the first grinding disc;

The transmission device includes a first gear, a second gear, a third gear, a fourth gear and a connecting shaft, the first gear and the second gear are mutually meshed for transmission, and the third gear and the fourth gear are mutually meshed for transmission, And the second gear and the third gear are arranged at both ends of the connecting shaft respectively.

Preferably, brackets are provided on the two grinder frames, connecting plates are provided on the opposite sides of the two brackets, and the hand-held electric tightener is arranged on one side of the metal door and window frame, and the hand-held The two ends of the electric tightener are connected with two connecting plates.

Preferably, the inner wall of the sander frame is provided with a grinding disc placement groove, and the opposite side wall of the grinding disc placement groove is provided with a plurality of waste suction holes for chip suction, and the outer wall of the sander frame is A chip discharge pipe for discharge is provided, and the chip discharge pipe communicates with the waste chip suction hole through the inner cavity.

Preferably, the matching belt is wound on the outer sidewall of the two steel ball matching wheels, the matching belt includes a transmission belt and a plurality of fixed steel balls, and the plurality of fixed steel balls are linearly arranged on the inner sidewall of the transmission belt, the The steel ball adapter wheel includes a rotating wheel and a plurality of ball grooves, and the plurality of ball grooves are circumferentially opened on the outer wall of the rotating wheel, the fixed steel balls are matched with the ball grooves, and the distance between two adjacent fixed steel balls is the same as The arc length between two adjacent ball grooves is the same, and the outer wall of the transmission belt is fixedly connected with the inner wall of the friction belt.

Preferably, the curved frame includes a circular arc plate, a steel ball sliding groove, a plurality of rolling steel ball placement grooves and a plurality of rolling steel balls, the steel ball sliding groove is set on one side of the circular arc plate, and the multiple rolling steel ball placement grooves are set on In the steel ball sliding groove, the rolling steel ball is arranged in the rolling steel ball placement groove, the fixed steel ball is matched with the steel ball sliding groove, and the fixed steel ball slides in the steel ball sliding groove through the rolling steel ball.

Preferably, the rotating fan blade is arranged coaxially with the second grinding disc through a rotating shaft, and the rotating fan blade is turned towards the chip discharge pipe.

The beneficial effects of the present invention are:

The invention uses the first grinding disc and two second grinding discs to grind the surface of the metal door and window frame that fits the grinder frame, which can effectively clamp and polish at the same time, avoiding the clamping position Unable to grind to produce the problem of grinding dead angle.

The present invention adopts the process of pushing the grinder frame forward and backward to always ensure the process of chamfering first and then grinding the surface, and the process of chamfering first and then grinding the surface can eliminate the problem of broken metal remaining on the edge of the chamfer to the greatest extent , and the distance between the two friction belts on the same side is smaller than the diameter of the first grinding disc, which can ensure that the broken metal residue on the chamfered edge can be cleaned by the first grinding disc and the two second grinding discs, so as to ensure the metal door and window frame The surface is smooth.

The bending frame cooperates with the steel ball sliding groove to bend the conveyor belt to form a certain arc, which can ensure that a certain chamfering arc can be formed. The sliding phenomenon occurs in the steel ball sliding groove, so that the adapter belt is damaged due to the generation of sliding friction.

Description of drawings

Fig. 1 is the structural representation of a kind of edge grinding device that is used for the production of metal doors and windows proposed by the present invention;

Fig. 2 is a schematic structural view of a grinder in a corner grinding device for the production of metal doors and windows proposed by the present invention;

Fig. 3 is the structural representation of the sander frame in the present invention;

Fig. 4 is a structural schematic diagram of a chamfering device in a corner grinding device for the production of metal doors and windows proposed by the present invention;

Fig. 5 is a structural schematic diagram of a steel ball adapter wheel in the present invention;

Fig. 6 is the structural representation of bending frame in the present invention;

Fig. 7 is the partial enlarged view of bending frame among the present invention;

Fig. 8 is a structural schematic diagram of the matching belt in the present invention;

Fig. 9 is a schematic structural diagram of the transmission device in the present invention.

In the figure: 1 metal door and window frame, 2 grinder frame, 3 hand-held electric tightener, 4 bracket, 5 electric motor, 6 connecting plate, 7 chamfering device, 71 steel ball adapter wheel, 711 rotating wheel, 712 Ball groove, 72 curved frame, 721 arc plate, 722 steel ball sliding groove, 723 rolling steel ball, 73 adapter belt, 731 transmission belt, 732 fixed steel ball, 74 friction belt, 8 first grinding disc, 9 second grinding disc, 10 Chip discharge pipe, 11 Grinding disk placement slot, 12 Waste chip suction hole, 13 First gear, 14 Second gear, 15 Third gear, 16 Fourth gear, 17 Rotary shaft, 18 Coupling shaft, 19 Rotary fan leaf.

Detailed ways

Referring to Figures 1-9, a corner grinding device for the production of metal doors and windows, including a metal door and window frame 1 to be polished and a hand-held electric tightener 3 for shrinking and changing the spacing, the metal door and window frame 1 Both sides of the symmetry are provided with a grinder frame 2 that is close to the metal door and window frame 1. First, it is convenient for the grinder frame 2 to clamp the metal door and window frame 1 from both sides, and secondly, the two grinder frames 2 pass through The hand-held electric tightener 3 is clamped at both ends of the metal door and window frame 1, and the two grinder frames 2 are provided with a bracket 4, and the opposite side of the two brackets 4 is provided with a connecting plate 6, and the hand-held electric tightener The tightener 3 is set on one side of the metal door and window frame body 1, and the two ends of the hand-held electric tightener 3 are connected to the two connecting plates 6. It should be noted that the hand-held electric tightener 3 passes through the The connecting plate 6 drives the grinder frame 2 on the support 4 to expand and contract, so that the distance between the two grinder frames 2 can be changed, thereby adapting to the width of the metal door and window frame 1, in order to better clamp the metal Door and window frame 1.

Referring to Figure 2, the inner wall of the sander frame 2 is provided with a grinding disc placement groove 11, and the side wall of the oppositely arranged grinding disc placement groove 11 is provided with a plurality of waste chip suction holes 12 for sucking chips. The outer wall is provided with a debris discharge pipe 10 for discharge, and the debris discharge pipe 10 communicates with the waste suction hole 12 through the inner cavity, so that the debris generated on the surface of the metal door and window frame 1 can be removed from the waste suction hole. 12 sucked away, and then discharged from the chip discharge pipe 10 through the inner cavity, which can avoid the accumulation of generated chips and affect the grinding process.

The following points are worth noting:

The sander frame body 2 has a U-shaped section, and two second grinding discs 9 for grinding the frame are arranged on the opposite inner wall of the sander frame body 2, and the inner wall adjacent to the opposite inner wall is provided on the sander frame body 2. There is a first grinding disc 8 for grinding the frame, so that the surface of the metal door and window frame 1 fitted with the grinder frame 2 can be polished by the first grinding disc 8 and two second grinding discs 9, which can effectively Clamping and grinding can be carried out at the same time, which avoids the problem that the clamping part cannot be polished and the dead angle of grinding occurs.

Both sides of the polisher frame body 2 are provided with a plurality of friction belts 74 for the chamfering of the metal door and window frame body 1, and a plurality of friction belts 74 are arranged on both sides of the grinder frame body 2. When holding the electric tightener 3, the friction belt 74 will give priority to chamfering the metal door and window frame 1, and always ensure the process of chamfering first and then grinding the surface during the process of pushing the grinder frame 2 forward and backward, and chamfering first The process of post-grinding the surface can eliminate the problem of broken metal remaining on the chamfered edge to the greatest extent after chamfering, and the distance between the two friction belts 74 on the same side is smaller than the diameter of the first grinding disc 8, which can ensure the fracture of the chamfered edge The metal residue can be polished and cleaned by the first grinding disc 8 and the two second grinding discs 9, so as to ensure the smooth surface of the metal door and window frame 1.

Referring to Figures 4-8, the two ends of the friction belt 74 are provided with steel ball adapter wheels 71 for driving the friction belt 74 to rotate, and the inner wall of the friction belt 74 is provided with a bending frame 72 for changing the shape of the friction belt 74. Through the transmission of the adapter belt 73 and the friction belt 74, the adapter belt 73 is wound on the outer wall of the two steel ball adapter wheels 71;

The following points are worth noting:

Referring to Figure 8, the adapter belt 73 includes a transmission belt 731 and a plurality of fixed steel balls 732, and the plurality of fixed steel balls 732 are linearly arranged on the inner wall of the transmission belt 731, so that the adapter belt 73 can be snapped by the fixed steel balls 732 On the steel ball adapter wheel 71, the steel ball adapter wheel 71 rotates with the adapter belt 73 when it rotates.

Referring to Fig. 5, the steel ball adapter wheel 71 includes a rotating wheel 711 and a plurality of ball grooves 712, and the plurality of ball grooves 712 are circumferentially opened on the outer wall of the rotating wheel 711, and the fixed steel ball 732 is matched with the ball grooves 712, and The distance between two adjacent fixed steel balls 732 is the same as the arc length between two adjacent ball grooves 712, and the outer wall of the transmission belt 731 is fixedly connected with the inner wall of the friction belt 74, so as to ensure the cooperation between the steel ball adapter wheel 71 and the friction belt 74 No slippage occurs when turning.

Referring to Fig. 7, the curved frame 72 includes an arc plate 721, a steel ball sliding groove 722, a plurality of rolling steel ball placement grooves and a plurality of rolling steel balls 723, the steel ball sliding groove 722 is set on one side of the arc plate 721, and a plurality of rolling steel balls The placement groove is provided in the steel ball sliding groove 722 groove, the rolling steel ball 723 is arranged on the rolling steel ball placing groove, the fixed steel ball 732 is compatible with the steel ball sliding groove 722, and the fixed steel ball 732 slides in the steel ball sliding groove 722 by the rolling steel ball 723, like this It can ensure that the bending frame 72 is bent to a certain radian through the cooperation of the fixed steel ball 732 and the steel ball sliding groove 722 with the conveyor belt 731, which can ensure that a certain chamfering radian can be formed, and at the same time, the fixed steel ball 732 is rolled in the steel ball sliding groove 722 Sliding inside can avoid the sliding phenomenon of the fixed steel ball 732 in the steel ball sliding groove 722, thereby causing the adapter belt 73 to be damaged due to the generation of sliding friction.

The side wall of the grinder frame 2 is provided with an electric motor 5 for driving the first grinding disc 8 to rotate. There is an inner cavity, and a transmission device is arranged in the inner cavity. The transmission device can play a transmission effect and then drive the first grinding disc 8 and the two second grinding discs 9 to rotate together, and the friction belt provided between the adjacent two transmission devices 74 will also be driven chamfering, and then the electric motor 5 can realize chamfering and grinding simultaneously.

Referring to Fig. 9, the transmission device includes a first gear 13, a second gear 14, a third gear 15, a fourth gear 16 and a connecting shaft 18, the first gear 13 and the second gear 14 are meshed with each other, and the third gear 15 and The fourth gear 16 is meshed with each other for transmission, and the second gear 14 and the third gear 15 are respectively arranged at both ends of the connecting shaft 18. It should be noted that the first gear 13, the second gear 14, the third gear 15 and the fourth gear 16 can preferably be replaced by a bevel gear, which can also complete the transfer effect.

Both ends of the first grinding disc 8 are rotated in cooperation with the second grinding disc 9 through a transmission device, and a rotating fan blade 19 coaxially fixed with the second grinding disc 9 is arranged in the inner cavity, and the rotating fan blade 19 is connected with the rotating shaft 17 The second grinding disc 9 is coaxially arranged, and the rotating fan blade 19 is rotated towards the debris discharge pipe 10, so that the debris that is polished can be sucked into the waste chip suction hole 12 by the airflow generated by the rotating fan blade 19. , and discharged from the debris discharge pipe 10 through the inner cavity, so as to avoid the accumulation of debris on the grinding part.

The working principle of the present invention is as follows: firstly, the hand-held electric tightener 3 drives the grinder frame 2 on the bracket 4 to expand and contract through the connecting plate 6 through electric control, so that the distance between the two grinder frames 2 can be changed, Thereby adapting the width of the metal door and window frame body 1, in order to better clamp the metal door and window frame body 1, then turn on the electric motor 5, the electric motor 5 drives the first grinding disc 8 to rotate as the driving force, and the metal door and window frame body 1 There is an inner cavity inside, and a transmission device is arranged in the inner cavity. The transmission device can play a transmission effect and then drive the first grinding disc 8 and the two second grinding discs 9 to rotate together. The friction belt 74 will also be driven to be chamfered, and then the electric motor 5 can realize chamfering and grinding at the same time, and finally the chips that are polished can be sucked into the waste chip suction hole 12 by the airflow generated by the rotating fan blade 19, And discharge from the debris discharge pipe 10 through the inner cavity.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a corner grinding device for metal door and window production, includes metal door and window frame body (1) of waiting the corner to polish and is used for contracting to change holding electronic tightener (3) of interval, a serial communication port, metal door and window frame body (1) symmetry both sides edge all is provided with and hugs closely metal door and window frame body (1) sander frame body (2), two sander frame body (2) are through holding electronic tightener (3) centre gripping at metal door and window frame body (1) both ends, sander frame body (2) cross-section is the U-shaped, sander frame body (2) all are provided with two second sanding discs (9) that are used for polishing the frame on relative inner wall, and sander frame body (2) are provided with on the adjacent inside wall with relative inner wall on be used for polishing frame first sanding disc (8), sander frame body (2) both sides all are provided with a plurality of friction bands (74) that are used for metal door and window frame body (1), friction band (74) both ends are provided with be used for driving friction band (74) pivoted steel ball adaptation wheel (71), friction band (74) are provided with on friction band (74) relative inner wall (2) are provided with one pair (7) and are used for polishing frame body (72) and are provided with one pair of friction band (5), an inner cavity is formed in the sander frame body (2), a transmission device is arranged in the inner cavity, two ends of the first sanding disc (8) are matched with the second sanding disc (9) to rotate through the transmission device, rotating fan blades (19) which are coaxially and fixedly arranged with the second sanding disc (9) are arranged in the inner cavity, a plurality of friction belts (74) are arranged on two sides of the sander frame body (2), and the distance between the two friction belts (74) on the same side is smaller than the diameter of the first sanding disc (8);

the transmission device comprises a first gear (13), a second gear (14), a third gear (15), a fourth gear (16) and a connecting shaft (18), wherein the first gear (13) and the second gear (14) are in meshed transmission, the third gear (15) and the fourth gear (16) are in meshed transmission, and the second gear (14) and the third gear (15) are respectively arranged at two ends of the connecting shaft (18).

2. The corner polishing device for metal door and window production according to claim 1, wherein two sander frame bodies (2) are provided with brackets (4), one side opposite to each other of the two brackets (4) is provided with a connecting plate (6), the hand-held electric tightener (3) is arranged on one side of the metal door and window frame body (1), and two ends of the hand-held electric tightener (3) are connected with the two connecting plates (6).

3. The corner polishing device for metal door and window production according to claim 1, wherein polishing disc placing grooves (11) are formed in the inner wall of the polisher frame body (2), a plurality of scrap suction holes (12) for sucking scraps are formed in the side walls of the polishing disc placing grooves (11) which are arranged oppositely, a scrap discharging pipe (10) for discharging is arranged on the outer wall of the polisher frame body (2), and the scrap discharging pipe (10) is communicated with the scrap suction holes (12) through an inner cavity.

4. The corner polishing device for metal door and window production according to claim 1, wherein the adapting belt (73) is wound on the outer side wall of the two steel ball adapting wheels (71), the adapting belt (73) comprises a conveying belt (731) and a plurality of fixed steel balls (732), the fixed steel balls (732) are linearly arranged on the inner side wall of the conveying belt (731), the steel ball adapting wheels (71) comprise a rotating wheel (711) and a plurality of ball grooves (712), the ball grooves (712) are circumferentially arranged on the outer side wall of the rotating wheel (711), the fixed steel balls (732) are matched with the ball grooves (712), the interval between every two adjacent fixed steel balls (732) is the same as the arc length between every two adjacent ball grooves (712), and the outer side wall of the conveying belt (731) is fixedly connected with the inner side wall of the friction belt (74).

5. The corner polishing device for metal door and window production according to claim 4, wherein the bending frame (72) comprises an arc plate (721), a steel ball sliding groove (722), a plurality of rolling steel ball placing grooves and a plurality of rolling steel balls (723), the steel ball sliding groove (722) is formed in one side of the arc plate (721), the rolling steel ball placing grooves are formed in the steel ball sliding groove (722), the rolling steel balls (723) are arranged in the rolling steel ball placing grooves, the fixed steel balls (732) are matched with the steel ball sliding groove (722), and the fixed steel balls (732) slide in the steel ball sliding groove (722) through the rolling steel balls (723).

6. A corner grinding device for metal door and window production according to claim 3, characterized in that the rotating blades (19) are coaxially arranged with the second grinding disc (9) through the rotating shaft (17), and the rotating blades (19) are rotated towards the chip discharging pipe (10).