CN106892117B

CN106892117B - Unmanned aerial vehicle automatic spray painting device

Info

Publication number: CN106892117B
Application number: CN201710250503.8A
Authority: CN
Inventors: 杨晓华; 张桂华; 黄理法
Original assignee: Liaocheng Vocational and Technical College
Current assignee: Liaocheng Vocational and Technical College
Priority date: 2017-04-17
Filing date: 2017-04-17
Publication date: 2024-01-30
Anticipated expiration: 2037-04-17
Also published as: CN106892117A

Abstract

The invention provides an automatic inkjet printing device for an unmanned aerial vehicle, which includes a control rod, an annular bearing groove, a valve rod, a rotating disk, a driving rod, a motor, a rotating disk, a table-shaped frame, an air guide pipe and a bearing. The control rod is connected to a metal frame through a fixed pin. Connection, the spherical groove is opened on the right end of the metal frame, the fixed seat is installed on the valve stem, and the valve stem is connected to the upper end surface of the jet chamber through the return spring. This design realizes the versatility of inkjet printing, and the drive shaft is installed on the upper end surface of the rotating disk In the middle, the motor is connected to the rotating plate through the drive shaft. This design realizes the function of automatically replacing the material liquid. The table-shaped frame is installed on the left end face of the bearing. The air guide pipe is connected to the table-shaped frame through the return spring 2. This design realizes the flow of high-pressure gas assistance. The material liquid is ejected and the inkjet printing is uniform. The invention has reasonable structure, wide application range, strong practicability, good stability and high reliability.

Description

Unmanned aerial vehicle automatic spray painting device

Technical Field

The invention relates to an automatic spray painting device for an unmanned aerial vehicle, and belongs to the field of unmanned aerial vehicle equipment.

Background

At present, 300 to 400 civil unmanned aerial vehicle enterprises exist in China, more than ten thousands of people are needed by practitioners, more than 1 ten thousand civil unmanned aerial vehicles are needed in China in the future, so that the simple calculation is realized, the market space in the future is up to 500 hundred million yuan, the civil unmanned aerial vehicles have huge markets with the scale not inferior to that of military unmanned aerial vehicles, the future unmanned aerial vehicles integrate more robot technologies and more advanced algorithms, more sensors are equipped, more task load devices are loaded, an external network is accessed, various complex tasks are intelligently completed, and the unmanned aerial vehicle spray painting developed nowadays replaces manual spray painting, so that the working efficiency and the working quality are greatly improved.

The unmanned aerial vehicle automatic spray painting device in the prior art has poor spray painting effect, single function and uneven spray painting, greatly influences working quality, and the unmanned aerial vehicle automatic spray painting device in the prior art can not enable even spraying of material liquid and is extremely easy to cause uneven on a spray painting plane, and the unmanned aerial vehicle automatic spray painting device in the prior art can only spray a material liquid, has single function and is troublesome in material liquid replacement, so that the unmanned aerial vehicle automatic spray painting device is required to solve the problem appearing in the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an automatic unmanned aerial vehicle spray painting device which solves the problems in the background art.

In order to achieve the above object, the present invention is realized by the following technical scheme: the unmanned aerial vehicle automatic spray painting device comprises a device main body, a spray painting mechanism, a controllable rotating mechanism and a controllable air injection mechanism, wherein the device main body comprises an unmanned aerial vehicle bottom plate, an annular shell, a spray pipe and a material injection cover, the spray pipe is arranged on the annular shell, the material injection cover is arranged on the upper end face of the annular shell, the spray painting mechanism comprises a metal frame, an air injection chamber, a spray nozzle, a pigment chamber, a material injection port, a torque spring, a pin hole, a fixed pin, a control rod, an annular bearing groove, a spherical groove, a first fixed seat, a first reset spring, a valve rod, a fluid hole, a valve hole and a fluid port, the metal frame is arranged on the annular bearing groove, the spray nozzle is arranged in the metal frame, the spray nozzle is arranged on the left end face of the metal frame, the material injection port is arranged on the upper end face of the metal frame, the torque spring is arranged in the pin hole, the pin hole is arranged at the middle part of the control rod, the control rod is connected with the metal frame through a fixing pin, the spherical groove is arranged at the right end of the metal frame, the first fixing seat is provided with a valve rod, the first return spring is arranged on the first fixing seat, the valve rod is connected with the upper end face of the air spraying chamber through the first return spring, the valve rod is arranged in a valve hole, the liquid flowing hole is arranged at the middle part of the valve rod, the valve hole is arranged at the upper end face of the air spraying chamber, the liquid flowing hole is arranged at the left end of the pigment chamber, the controllable rotating mechanism comprises a rotating disc, a driving shaft, a motor, a fixing base, a bolt, a mounting groove, a frame rod, a nut and a fixing groove, the rotating disc is welded on the right end face of the annular bearing groove, the driving shaft is arranged at the middle part of the upper end face of the rotating disc, the motor is connected with the rotating disc through the driving shaft, and the motor is arranged in the fixing groove, the mounting groove is formed in a fixed base, the bolt is mounted in the nut, the fixed seat is connected with the frame rod through the bolt, the frame rod is welded on the lower end face of the bottom plate of the unmanned aerial vehicle, the controllable air injection mechanism comprises a table-shaped frame, an air duct, a fixed circular ring, a second reset spring, a second fixed seat and a bearing, the table-shaped frame is mounted on the left end face of the bearing, the air duct is connected with the table-shaped frame through the second reset spring, the air duct is mounted in the middle of the table-shaped frame, the fixed circular ring is formed in the left end of the air duct, the second fixed seat is formed in the table-shaped frame, and the bearing is assembled in the annular bearing groove.

Further, the three spray pipes and the metal frames are respectively arranged, and the three spray pipes are respectively arranged on the three metal frames.

Further, the valve rod is of an L-shaped structure, and the lower end face of the valve rod is attached to the upper end face of the control rod.

Further, the right end of the air duct is fixed on the unmanned aerial vehicle base plate, and the air duct is connected with the pneumatic pump through a plastic pipe.

Further, the left end of the air duct is of a spherical structure, and a sealing ring is arranged at the left end of the air duct.

Further, the sealing ring is installed on the left end face of the spherical groove, and the bottom end of the spherical groove is attached to the left end face of the air duct.

The invention has the beneficial effects that: according to the unmanned aerial vehicle automatic spray painting device, as the spray air chamber, the control rod, the annular bearing groove and the valve rod are added, the design realizes the multifunction of spray painting, the spray painting effect is good, and the problem of single function of the original device is solved.

The rotary disk, the driving shaft and the motor are added, so that the design realizes the function of automatically replacing material liquid, the variety and the holding quantity of the material liquid are increased, and the problem that the original device carries one material liquid and can not replace multiple material liquids at the same time is solved.

The invention adds the reset spring II, the air duct and the bearing, so that the invention realizes the ejection of the flowing high-pressure gas auxiliary material liquid, and the spray painting is uniform, thereby solving the problem of uneven spray painting caused by the uneven spray painting of the original device.

The invention adds the plastic pipe and the pneumatic pump, the design realizes the function of gas transmission to the gas guide pipe, and the invention adds the sealing ring, thereby realizing the sealing performance during gas injection.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of an automatic inkjet printing device for an unmanned aerial vehicle according to the present invention;

fig. 2 is a schematic structural diagram of an inkjet printing mechanism in an automatic inkjet printing apparatus of an unmanned aerial vehicle according to the present invention;

fig. 3 is a schematic diagram of a partial structure of an inkjet printing mechanism in an automatic inkjet printing apparatus of an unmanned aerial vehicle according to the present invention;

fig. 4 is a schematic structural diagram of a controllable rotation mechanism in the automatic unmanned aerial vehicle spray painting device according to the present invention;

fig. 5 is a schematic structural diagram of a controllable air injection mechanism in an automatic air-jet device of an unmanned aerial vehicle according to the present invention;

in the figure: the device comprises a 1-spray painting mechanism, a 2-controllable rotating mechanism, a 3-controllable air injection mechanism, a 4-man-machine base plate, a 5-annular shell, a 6-spray pipe, a 7-injection cover, an 11-metal frame, a 12-spray chamber, a 13-spray nozzle, a 14-pigment chamber, a 15-injection port, a 16-torque spring, a 17-pin hole, a 18-fixed pin, a 19-control rod, a 110-annular bearing groove, a 111-spherical groove, a 112-fixed seat I, a 113-reset spring I, a 114-valve rod, a 115-fluid flow hole, a 116-valve hole, a 117-fluid flow port, a 21-rotating disk, a 22-drive shaft, a 23-motor, a 24-fixed base, 25-bolts, a 26-mounting groove, a 27-frame rod, a 28-nut, a 29-fixed groove, a 31-table-shaped frame, a 32-air duct, a 33-fixed ring, a 34-reset spring II, a 35-fixed seat II and a 36-bearing.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an automatic air brushing device of unmanned aerial vehicle, includes device main part, air brushing mechanism 1, controllable rotary mechanism 2, controllable air jetting mechanism 3, and the device main part includes unmanned aerial vehicle bottom plate 4, annular shell 5, spray tube 6 and annotates material lid 7, and spray tube 6 installs on annular shell 5, annotates material lid 7 and offers at annular shell 5 up end.

The spray painting mechanism 1 comprises a metal frame 11, a jet chamber 12, a nozzle 13, a pigment chamber 14, a material injection opening 15, a torque spring 16, a pin hole 17, a fixed pin 18, a control rod 19, an annular bearing groove 110, a spherical groove 111, a first fixing seat 112, a first reset spring 113, a valve rod 114, a fluid hole 115, a valve hole 116 and a fluid opening 117, wherein the metal frame 11 is arranged on the annular bearing groove 110, the jet chamber 12 is arranged in the metal frame 11, the nozzle 13 is arranged on the left end face of the metal frame 11, the pigment chamber 14 is arranged in the metal frame 11, the material injection opening 15 is arranged on the upper end face of the metal frame 11, the torque spring 16 is arranged in the pin hole 17, the pin hole 17 is arranged on the middle position of the control rod 19, the control rod 19 is connected with the metal frame 11 through the fixed pin 18, the spherical groove 111 is arranged on the right end of the metal frame 11, the first fixing seat 112 is provided with the valve rod 114, the first reset spring 113 is arranged on the first fixing seat 112, the valve rod 114 is connected with the upper end face of the jet chamber 12 through the first reset spring 113, the valve rod 114 is arranged in the valve hole 116, the middle part of the fluid hole 115 is arranged on the valve rod 116, the nozzle hole 13 is arranged on the left end face of the valve rod 12, the jet chamber 14 is arranged on the valve hole 116, the air injection chamber is arranged on the left end face, the end face of the valve hole is arranged on the valve hole 16, the valve hole 16 is arranged on the end face, the top of the valve hole 16, and the pigment is arranged in the paint injection chamber, and the paint is well.

The controllable rotary mechanism 2 comprises a rotary disk 21, a drive shaft 22, a motor 23, a fixed base 24, a bolt 25, a mounting groove 26, a frame rod 27, a nut 28 and a fixed groove 29, wherein the rotary disk 21 is welded on the right end face of an annular bearing groove 110, the drive shaft 22 is arranged in the middle of the upper end face of the rotary disk 21, the motor 23 is connected with the rotary disk 21 through the drive shaft 22, the motor 23 is arranged in the fixed groove 29, the mounting groove 26 is provided with the fixed base 24, the bolt 25 is arranged in the nut 28, the fixed seat is connected with the frame rod 27 through the bolt 25, and the frame rod 27 is welded on the lower end face of the unmanned aerial vehicle bottom plate 4.

The controllable air injection mechanism 3 comprises a table-shaped frame 31, an air duct 32, a fixed circular ring 33, a second reset spring 34, a second fixing seat 35 and a bearing 36, wherein the table-shaped frame 31 is arranged on the left end face of the bearing 36, the air duct 32 is connected with the table-shaped frame 31 through the second reset spring 34, the air duct 32 is arranged in the middle of the table-shaped frame 31, the fixed circular ring 33 is arranged at the left end of the air duct 32, the second fixing seat 35 is arranged in the table-shaped frame 31, the bearing 36 is assembled in an annular bearing groove 110, and the design realizes the ejection of flowing high-pressure air auxiliary material liquid and uniform spray painting.

The spray pipe 6 all is equipped with three with the metal frame 11, and three spray pipe 6 installs respectively on three metal frame 11, and valve pole 114 is L type structure, and the laminating of terminal surface is on control lever 19 up end under the valve pole 114, and air duct 32 right-hand member is fixed on unmanned aerial vehicle bottom plate 4, and air duct 32 passes through the plastic tubing and is connected with the pneumatic pump, and the air duct 32 left end is spherical structure, and the sealing washer is installed to air duct 32 left end, and the sealing washer is installed to spherical recess 111 left end face, and the laminating of spherical recess 111 bottom is on air duct 32 left end face.

The specific embodiment is as follows: when the automatic material liquid replacing device is used, a user firstly checks whether the automatic material liquid replacing device has defects, if the automatic material liquid replacing device has defects, the user cannot use the automatic material liquid replacing device, at the moment, maintenance personnel are required to be informed of maintenance, if the automatic material liquid replacing device has defects, the maintenance personnel can use the automatic material liquid replacing device if the automatic material liquid replacing device has no problems, when the automatic material liquid replacing device is used, the user controls the unmanned aerial vehicle, when the user needs to replace material liquid, the user starts a motor 23 arranged on a base plate 4 of the unmanned aerial vehicle, the motor 23 starts to operate, the driving shaft 22 drives the rotating disc 21 to rotate, when the rotating disc 21 rotates to a set angle, the spherical groove 111 in the metal frame 11 is attached to the air duct 32, meanwhile, the material liquid is ready to be sprayed and is arranged in the pigment chamber 14 in the metal frame 11, the replaced spherical groove 111 is separated from the air duct 32 when the rotating disc 21 rotates, the motor 23 stops operating, and the pneumatic pump starts to spray and the automatic material liquid replacing function is achieved.

When a user sprays paint, the user opens the material injection cover 7, the prepared material liquid is injected into the pigment chamber 14 through the material injection opening 15, the user starts the motor 23, the rotating disk 21 rotates to drive the annular bearing groove 110, the metal frame 11 rotates to the left end of the air duct 32, the air duct 32 is attached to the left end face of the spherical groove 111, at the moment, the air duct 32 pushes the control rod 19 under the action of the tension of the return spring II 34, and because the air duct 32 is provided with the pneumatic pump and the plastic pipe, the user starts the pneumatic pump to enable high-pressure gas to enter the air duct 32 through the plastic pipe and then enter the air injection chamber 12, so that the flowing high-pressure gas assisted material liquid is sprayed out and the spray painting is uniform.

When the control rod 19 is pushed by the air duct 32, the torque spring 16 is compressed, the first return spring 113 is compressed, the control rod 19 pushes the valve rod 114 to move upwards, at this time, the valve hole 116 coincides with the liquid outlet 117, material liquid flows into the air injection chamber 12, and under the action of high-pressure air, the material liquid is ejected from the spray pipe 6 along with air, and spray painting is performed, when a user needs to switch the spray pipe 6, the user operates the motor 23 through a set program, so that the rotary disk 21 rotates, at this time, the air duct 32 stops operating, the second return spring 34 compresses, the torque spring 16 stretches, so that the control rod 19 returns to an initial state, the air injection chamber 12 is closed, the valve rod 114 descends under the action of the first return spring 113, the liquid outlet 117 is closed, at this time, the air duct 32 pushes the control rod 19, and the air pump opens for spray painting due to the fact that the rotary disk 21 rotates a certain angle, thereby realizing the multifunction of spray painting, and the spray painting speed is high, and the spray painting effect is good.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An automatic inkjet printing device for a UAV, including a device main body, an inkjet printing mechanism (1), a controllable rotation mechanism (2), and a controllable jetting mechanism (3), characterized in that: the device main body includes a UAV base plate (4), annular shell (5), nozzle (6) and injection cover (7). The nozzle (6) is installed on the annular shell (5), and the injection cover (7) is opened in the annular shell (5). The upper end surface of the shell (5);

The inkjet printing mechanism (1) includes a metal frame (11), an air injection chamber (12), a nozzle (13), a paint chamber (14), an injection port (15), a torque spring (16), a pin hole (17), Fixed pin (18), control rod (19), annular bearing groove (110), spherical groove (111), fixed seat one (112), return spring one (113), valve stem (114), drain hole ( 115), valve hole (116) and liquid outlet (117), the metal frame (11) is set on the annular bearing groove (110), the injection chamber (12) is set in the metal frame (11), so The nozzle (13) is provided on the left end surface of the metal frame (11), the paint chamber (14) is provided in the metal frame (11), and the injection port (15) is provided on the upper end surface of the metal frame (11), so The torsion spring (16) is installed in a pin hole (17), which is opened in the middle of the control rod (19). The control rod (19) is connected to the metal frame (11) through a fixed pin (18). ) connection, the spherical groove (111) is opened at the right end of the metal frame (11), the fixed seat one (112) is installed on the valve stem (114), and the return spring (113) is installed on the fixed seat one (113) 112), the valve rod (114) is connected to the upper end surface of the jet chamber (12) through a return spring (113), and the valve rod (114) is installed in the valve hole (116), and the liquid hole (115 ) is set in the middle part of the valve stem (114), the valve hole (116) is set on the upper end of the jet chamber (12), and the liquid outlet (117) is set on the left end of the paint chamber (14);

The controllable rotation mechanism (2) includes a rotating disk (21), a driving shaft (22), a motor (23), a fixed base (24), bolts (25), an installation slot (26), and a frame rod (27) , nut (28) and fixed groove (29), the rotating disk (21) is welded to the right end surface of the annular bearing groove (110), the driving shaft (22) is installed in the middle of the upper end surface of the rotating disk (21), so The motor (23) is connected to the rotating disk (21) through the drive shaft (22), and the motor (23) is installed in the fixed groove (29). The installation groove (26) is opened on the fixed base (24), so The bolt (25) is installed in the nut (28), and the fixed seat is connected to the frame rod (27) through the bolt (25). The frame rod (27) is welded to the lower end surface of the drone base plate (4);

The controllable air jet mechanism (3) includes a table-shaped frame (31), an air guide tube (32), a fixed ring (33), two return springs (34), two fixed seats (35) and a bearing (36). The table-shaped frame (31) is installed on the left end face of the bearing (36). The air guide pipe (32) is connected to the table-shaped frame (31) through the second return spring (34), and the air guide pipe (32) is installed on the table-shaped frame (31). In the middle part, the fixed ring (33) is set at the left end of the air guide pipe (32), the second fixing seat (35) is set in the table-shaped frame (31), and the bearing (36) is assembled in the annular bearing groove (110) )Inside;

There are three nozzles (6) and three metal frames (11), and the three nozzles (6) are respectively installed on the three metal frames (11);

The valve stem (114) has an L-shaped structure, and the lower end surface of the valve stem (114) fits the upper end surface of the control rod (19).

2. An automatic inkjet printing device for a UAV according to claim 1, characterized in that: the right end of the air guide tube (32) is fixed on the bottom plate (4) of the UAV, and the air guide tube (32) passes through a plastic tube. Connect to air pressure pump.

3. An automatic inkjet printing device for an unmanned aerial vehicle according to claim 1, characterized in that: the left end of the air guide tube (32) has a spherical structure, and a sealing ring is installed on the left end of the air guide tube (32).

4. An automatic inkjet printing device for a UAV according to claim 1, characterized in that: a sealing ring is installed on the left end surface of the spherical groove (111), and the bottom end of the spherical groove (111) is attached to the guide. On the left end surface of the trachea (32).