AGV (Automatic Guided Vehicle) transportation device capable of automatically replacing steel mesh

Abstract

The embodiment of the utility model discloses an AGV (Automatic Guided Vehicle) transportation device capable of automatically replacing a steel mesh. The AGV transportation device is used for solving the technical problem of low efficiency of manually replacing the steel mesh in the prior art. The AGV conveying device comprises an AGV, a rack, a lifting module, a supporting plate, a conveying module and a clamping module. The rack is installed at the top of the AGV trolley, the lifting module is installed on the rack, the supporting plate is connected with the lifting module, the lifting module is used for driving the supporting plate to move in the vertical direction, the conveying module and the clamping module are both installed on the supporting plate, and the conveying module and the clamping module are used for clamping the AGV trolley. The conveying module is used for conveying a steel mesh, and the clamping module is used for clamping and fixing the steel mesh located on the conveying module. According to the AGV conveying device capable of automatically replacing the steel mesh, steel mesh feeding and steel mesh discharging can be automatically achieved, manual replacement of the steel mesh of solder paste printing equipment is effectively replaced, and the steel mesh replacement efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, in particular to an AGV transport device for automatically replacing a stencil Background Art

[0002] In the prior art, the through slot of the solder paste printing equipment can only place one stencil for printing operation on the PCB board. If the stencil needs to be replaced, it is necessary for workers to carry the stencil from the stencil library to the solder paste printing equipment for replacement manually. If multiple printing equipments on the production line need to replace the stencil, manual replacement needs to be carried out back and forth multiple times, which is time-consuming and laborious and seriously affects the work efficiency.

[0003] Therefore, finding a technical solution that can solve the above technical problems has become an important topic studied by those skilled in the art. Summary of the Utility Model

[0004] The utility model discloses an AGV transport device for automatically replacing a stencil, which is used to solve the technical problem of low efficiency of manual stencil replacement in the prior art.

[0005] An AGV transport device for automatically replacing a stencil provided by the utility model includes an AGV cart, a frame, a lifting module, a support plate, a conveying module and a clamping module;

[0006] The frame is installed on the top of the AGV cart, the lifting module is installed on the frame, the support plate is connected to the lifting module, the lifting module is used to drive the support plate to move in the vertical direction, the conveying module and the clamping module are both installed on the support plate, the conveying module is used to convey the stencil, and the clamping module is used to clamp and fix the stencil located on the conveying module.

[0007] Optionally, the lifting module includes a first servo motor, a transmission member, a lifting plate and a support frame installed on the frame;

[0008] A lead screw extending in the vertical direction is rotatably connected to the support frame, the output end of the first servo motor is connected to the transmission member, the transmission member is connected to the bottom end of the lead screw, the first servo motor drives the lead screw to rotate relative to the support frame through the transmission member, the lifting plate is threadedly connected to the lead screw, and a connecting rod is connected to the lifting plate and passes through the top of the support frame to be connected to the support plate;

[0009] When the first servo motor drives the lead screw to rotate in a preset direction through the transmission member, the lifting plate rises in the vertical direction on the lead screw so that the support plate rises in the vertical direction.

[0010] Optionally, the transmission member is a first transmission belt;

[0011] A first pulley is connected to the output end of the first servo motor, and a second pulley is connected to the bottom end of the lead screw. The first pulley and the second pulley are connected by the first transmission belt.

[0012] Optionally, a brake is further connected to the output end of the first servo motor.

[0013] Optionally, the conveying module includes a first mounting bracket, a second mounting bracket, a first conveyor belt, a second conveyor belt, a second transmission belt, a transmission rod, and a second servo motor;

[0014] The first mounting bracket and the second mounting bracket are respectively arranged on the first side and the second side of the support plate. A first driving wheel and a first driven wheel are mounted on the first mounting bracket at a preset distance apart. The first driving wheel and the first driven wheel are connected by the first conveyor belt. A second driving wheel and a second driven wheel are mounted on the second mounting bracket at a preset distance apart. The second driving wheel and the second driven wheel are connected by the second conveyor belt. The first driving wheel and the second driving wheel are connected by the transmission rod. A third pulley is arranged on the transmission rod. The second servo motor is mounted on the support plate. A fourth pulley is connected to the output end of the second servo motor. The third pulley and the fourth pulley are connected by the second transmission belt. The second servo motor is used to drive the fourth pulley to rotate so as to drive the transmission rod to rotate, and further make the first driving wheel and the second driving wheel rotate synchronously so that the first conveyor belt and the second conveyor belt jointly convey the stencil.

[0015] Optionally, the clamping module includes a first driving member, a second driving member, a first clamping plate, and a second clamping plate;

[0016] The first driving member and the second driving member are respectively arranged on the first side and the second side of the support plate. The first driving member is connected to the first clamping plate, and the second driving member is connected to the second clamping plate. Both the first clamping plate and the second clamping plate are slidably connected to the support plate. The first clamping plate and the second clamping plate can be driven to move closer to or away from each other to clamp or release the stencil located on the conveying module.

[0017] Optionally, the first driving member is a third servo motor, the second driving member is a fourth servo motor, the third servo motor is connected with a first transmission gear, the first transmission gear meshes with a first rack installed on the first clamping plate, the third servo motor drives the first transmission gear to rotate and drives the first clamping plate to move towards the second clamping plate through the first rack, the fourth servo motor is connected with a second transmission gear, the second transmission gear meshes with a second rack installed on the second clamping plate, and the fourth servo motor drives the second transmission gear to rotate and drives the second clamping plate to move towards the first clamping plate through the second rack.

[0018] Optionally, a first sliding block is installed at the bottom of the first clamping plate, a first sliding rail is installed on the support plate, the first sliding block is slidably connected to the first sliding rail, a second sliding block is installed at the bottom of the second clamping plate, a second sliding rail is installed on the support plate, and the second sliding block is slidably connected to the second sliding rail.

[0019] Optionally, it further includes an outer cover body;

[0020] The outer cover body covers the frame, and an opening for the steel mesh to enter or leave is formed on the outer cover body, and the conveying module can be driven by the lifting module to move to be connected with the opening.

[0021] Optionally, the number of the openings is multiple, and the multiple openings are formed on the outer cover body in the vertical direction.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] The automatic steel mesh replacing AGV transportation device of this embodiment can automatically realize steel mesh loading and unloading, effectively replace manual operation to complete the steel mesh replacement operation of the solder paste printing equipment, and greatly improve the steel mesh replacement efficiency. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0025] Figure 1 It is a schematic structural diagram of an automatic steel mesh replacing AGV transportation device provided by an embodiment of the present utility model;

[0026] Figure 2Schematic diagram of the lifting module of an automatic steel mesh changing AGV transport device provided by an embodiment of the present utility model;

[0027] Figure 3 Schematic diagram of the conveying module and the clamping module of an automatic steel mesh changing AGV transport device provided by an embodiment of the present utility model;

[0028] Figure 4 Schematic diagram of the bottom structure of the conveying module of an automatic steel mesh changing AGV transport device provided by an embodiment of the present utility model;

[0029] Illustration description: AGV cart 1; outer cover 2; opening 201; lifting module 3; first servo motor 301; support frame 302; lead screw 303; second pulley 304; first transmission belt 305; lifting plate 306; connecting rod 307; conveying module 4; first mounting frame 401; first conveyor belt 402; second mounting frame 403; second conveyor belt 404; first driving wheel 405; second driving wheel 406; second servo motor 407; fourth pulley 408; transmission rod 409; third pulley 410; second transmission belt 411; first clamping module 5; third servo motor 501; first clamping plate 502; first transmission gear 503; first rack 504; fourth servo motor 505; second clamping plate 506; second transmission gear 507; second rack 508; support plate 6; steel mesh A. Detailed implementation manners

[0030] An embodiment of the present utility model discloses an automatic steel mesh changing AGV transport device, which is used to solve the technical problem of low efficiency of manual steel mesh changing in the prior art.

[0031] In order to enable those skilled in the art to better understand the solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific implementation manners. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Please refer to Figure 1 , an automatic steel mesh changing AGV transport device provided by an embodiment of the present utility model includes an AGV cart 1, a frame, a lifting module 3, a support plate 6, a conveying module 4, and a clamping module 5;

[0033] The frame is installed on the top of the AGV cart 1, the lifting module 3 is installed on the frame, the support plate 6 is connected to the lifting module 3, the lifting module 3 is used to drive the support plate 6 to move in the vertical direction, the conveying module 4 and the clamping module 5 are both installed on the support plate 6, the conveying module 4 is used to convey the steel mesh, and the clamping module 5 is used to clamp and fix the steel mesh on the conveying module 4.

[0034] It should be noted that the specific working principle of the AGV transport device in this embodiment is:

[0035] After the AGV 1 receives the instruction to replace the steel mesh, the AGV 1 moves to the designated loading position of the steel mesh warehouse. At this time, the lifting module 3 drives the conveying module 4 to move to a suitable height to prepare to receive the steel mesh. After the steel mesh enters the conveying module 4 from the loading position, the clamping module 5 clamps the steel mesh to prevent the steel mesh from shifting during the formation of the AGV 1. After completing the loading of the steel mesh, the AGV 1 moves to the designated solder paste printing equipment according to the preset instructions. At this time, the lifting module 3 drives the conveying module 4 to move to the steel mesh feeding position of the solder paste printing equipment. Subsequently, the clamping module 5 releases the steel mesh, and the conveying module 4 transports the steel mesh to the solder paste printing equipment. At this point, the steel mesh replacement process is completed.

[0036] In addition, the AGV trolley 1 in this embodiment is a prior art, which has a GPS positioning function, and the AGV trolley 1 can move to a designated destination according to a predetermined route.

[0037] The automatic steel mesh replacement AGV transport device of this embodiment can automatically realize the loading and unloading of steel mesh, effectively replacing manual steel mesh replacement operations of solder paste printing equipment, greatly improving the efficiency of steel mesh replacement.

[0038] Furthermore, the lifting module 3 in this embodiment includes a first servo motor 301, a transmission member, a lifting plate 306, and a support frame 302 installed on the frame;

[0039] The support frame 302 is rotatably connected with a lead screw 303 extending in a vertical direction, the output end of the first servo motor 301 is connected with the transmission member, the transmission member is connected with the bottom end of the lead screw 303, the first servo motor 301 drives the lead screw 303 to rotate relative to the support frame 302 through the transmission member, the lifting plate 306 is threadedly connected to the lead screw 303, and the lifting plate 306 is connected with a connecting rod 307, the connecting rod 307 passes through the top of the support frame 302 and is connected to the support plate 6;

[0040] It should be noted that when the first servo motor 301 of this embodiment drives the lead screw 303 to rotate in a preset direction through the transmission member, the lifting plate 306 rises along the lead screw 303 in the vertical direction so that the support plate 6 rises in the vertical direction.

[0041] Further, the transmission member in this embodiment can adopt a first transmission belt 305;

[0042] The output end of the first servo motor 301 is connected with a first pulley, the bottom end of the lead screw 303 is connected with a second pulley 304, and the first pulley and the second pulley 304 are connected through the first transmission belt 305.

[0043] It should be noted that when the first servo motor 301 drives the first pulley to rotate, the first pulley drives the second pulley 304 to rotate through the first transmission belt 305, thereby driving the lead screw 303 to rotate, and further driving the lifting plate 306 to realize lifting.

[0044] Further, the output end of the first servo motor 301 in this embodiment is also connected with a brake.

[0045] It should be noted that through the above design, the impact force generated by the first servo motor 301 on other components during emergency stop can be avoided.

[0046] Further, the conveying module 4 in this embodiment includes a first mounting frame 401, a second mounting frame 403, a first conveyor belt 402, a second conveyor belt 404, a second transmission belt 411, a transmission rod 409, and a second servo motor 407;

[0047] The first mounting frame 401 and the second mounting frame 403 are respectively arranged on the first side and the second side of the support plate 6. A first driving wheel 405 and a first driven wheel are installed on the first mounting frame 401 at a preset distance apart, and the first driving wheel 405 and the first driven wheel are connected through the first conveyor belt 402. A second driving wheel 406 and a second driven wheel are installed on the second mounting frame 403 at a preset distance apart, and the second driving wheel 406 and the second driven wheel are connected through the second conveyor belt 404. The first driving wheel 405 and the second driving wheel 406 are connected through the transmission rod 409. A third pulley 410 is arranged on the transmission rod 409. The second servo motor 407 is installed on the support plate 6, and the output end of the second servo motor 407 is connected with a fourth pulley 408. The third pulley 410 and the fourth pulley 408 are connected through the second transmission belt.

[0048] It should be noted that the second servo motor 407 in this embodiment is used to drive the fourth pulley 408 to rotate, thereby driving the connecting rod 307 to rotate, and further causing the first driving wheel 405 and the second driving wheel 406 to rotate synchronously, so that the first conveyor belt 402 and the second conveyor belt 404 jointly convey the steel mesh.

[0049] Furthermore, the clamping module 5 in this embodiment includes a first driving member, a second driving member, a first clamping plate 502 and a second clamping plate 506;

[0050] The first driving member and the second driving member are respectively arranged on the first side and the second side of the support plate 6. The first driving member is connected to the first clamping plate 502, the second driving member is connected to the second clamping plate 506. Both the first clamping plate 502 and the second clamping plate 506 are slidably connected to the support plate 6. The first clamping plate 502 and the second clamping plate 506 can be driven to move relatively closer or farther away to clamp or loosen the steel mesh located on the conveying module 4.

[0051] It should be noted that through the above design, the steel mesh can be clamped and fixed to prevent the steel mesh from shifting during transportation.

[0052] Specifically, the first driving member in this embodiment is the third servo motor 501, and the second driving member in this embodiment is the fourth servo motor 505;

[0053] The third servo motor 501 is connected with a first transmission gear 503. The first transmission gear 503 meshes with a first rack 504 installed on the first clamping plate 502. The third servo motor 501 drives the first transmission gear 503 to rotate and drives the first clamping plate 502 to move towards the second clamping plate 506 through the first rack 504. The fourth servo motor 505 is connected with a second transmission gear 507. The second transmission gear 507 meshes with a second rack 508 installed on the second clamping plate 506. The fourth servo motor 505 drives the second transmission gear 507 to rotate and drives the second clamping plate 506 to move towards the first clamping plate 502 through the second rack 508.

[0054] It should be noted that in addition to the above driving method using a servo motor in cooperation with a transmission gear and a transmission rack, other driving methods can also be used in this embodiment to realize the movement of the first clamping plate 502 and the second clamping plate 506, such as the driving method of a cylinder or an oil cylinder. This embodiment does not limit this.

[0055] Further, a first slider is installed at the bottom of the first clamping plate 502 in this embodiment. A first slide rail is installed on the support plate 6, and the first slider is slidably connected to the first slide rail. A second slider is installed at the bottom of the second clamping plate 506, and a second slide rail is installed on the support plate 6, and the second slider is slidably connected to the second slide rail.

[0056] It should be noted that through the above design, the first clamping plate 502 and the second clamping plate 506 can move more smoothly and steadily.

[0057] Further, the automatic stencil-changing AGV transport device in this embodiment further includes an outer cover 2;

[0058] The outer cover 2 covers the frame, and an opening 201 for the stencil to enter or leave is provided on the outer cover 2. The conveying module 4 can be driven by the lifting module 3 to move to be connected with the opening 201.

[0059] It should be noted that the outer cover 2 in this embodiment is used to effectively protect the lifting module 3, the clamping module 5 and the conveying module 4 on the frame.

[0060] Further, the number of the openings 201 in this embodiment is multiple, and the multiple openings 201 are arranged vertically on the outer cover 2.

[0061] It should be noted that through the above design, the automatic stencil-changing AGV transport device can be applicable to solder paste printing equipment with stencil feeding positions at different heights.

[0062] The above has introduced in detail an automatic stencil-changing AGV transport device provided by the present invention. For those of ordinary skill in the art, according to the idea of the embodiments of the present invention, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. An automatic steel mesh replacement AGV transportation device, characterized in that It includes an AGV cart (1), a frame, a lifting module (3), a support plate (6), a conveying module (4), and a clamping module (5); The frame is installed on the top of the AGV cart (1), the lifting module (3) is installed on the frame, the support plate (6) is connected to the lifting module (3), the lifting module (3) is used to drive the support plate (6) to move in the vertical direction, the conveying module (4) and the clamping module (5) are both installed on the support plate (6), the conveying module (4) is used to convey the steel mesh, and the clamping module (5) is used to clamp and fix the steel mesh located on the conveying module (4).

2. The automatic stencil-changing AGV transportation device according to claim 1, wherein The lifting module (3) includes a first servo motor (301), a transmission member, a lifting plate (306), and a support frame (302) installed on the frame; A lead screw (303) extending in the vertical direction is rotatably connected to the support frame (302), the output end of the first servo motor (301) is connected to the transmission member, the transmission member is connected to the bottom end of the lead screw (303), the first servo motor (301) drives the lead screw (303) to rotate relative to the support frame (302) through the transmission member, the lifting plate (306) is threadedly connected to the lead screw (303), and a connecting rod (307) is connected to the lifting plate (306), and the connecting rod (307) passes through the top of the support frame (302) and is connected to the support plate (6); When the first servo motor (301) drives the lead screw (303) to rotate in a preset direction through the transmission member, the lifting plate (306) rises in the vertical direction on the lead screw (303) so that the support plate (6) rises in the vertical direction.

3. The automatic steel mesh changing AGV transportation device according to claim 2, wherein, The transmission member is a first transmission belt (305); A first pulley is connected to the output end of the first servo motor (301), a second pulley (304) is connected to the bottom end of the lead screw (303), and the first pulley and the second pulley (304) are connected by the first transmission belt (305).

4. The automatic stencil-changing AGV transportation device according to claim 2, characterized in that, A brake is also connected to the output end of the first servo motor (301).

5. The automatic stencil changing AGV transportation device according to claim 1, wherein, The conveying module (4) includes a first mounting frame (401), a second mounting frame (403), a first conveyor belt (402), a second conveyor belt (404), a second transmission belt (411), a transmission rod (409), and a second servo motor (407); The first mounting bracket (401) and the second mounting bracket (403) are respectively arranged on the first side and the second side of the support plate (6). A first driving wheel (405) and a first driven wheel are mounted on the first mounting bracket (401) at a preset distance apart. The first driving wheel (405) and the first driven wheel are connected by the first transmission belt (402). A second driving wheel (406) and a second driven wheel are mounted on the second mounting bracket (403) at a preset distance apart. The second driving wheel (406) and the second driven wheel are connected by the second transmission belt (404). The first driving wheel (405) and the second driving wheel (406) are connected by the transmission rod (409). A third pulley (410) is arranged on the transmission rod (409). The second servo motor (407) is mounted on the support plate (6). The output end of the second servo motor (407) is connected with a fourth pulley (408). The third pulley (410) and the fourth pulley (408) are connected by the second transmission belt (411). The second servo motor (407) is used to drive the fourth pulley (408) to rotate so as to drive the transmission rod (409) to rotate, and further make the first driving wheel (405) and the second driving wheel (406) rotate synchronously, so that the first transmission belt (402) and the second transmission belt (404) jointly convey the steel mesh.

6. The automatic stencil-changing AGV transport device according to claim 1, wherein, The clamping module (5) includes a first driving member, a second driving member, a first clamping plate (502) and a second clamping plate (506); The first driving member and the second driving member are respectively arranged on the first side and the second side of the support plate (6). The first driving member is connected to the first clamping plate (502), and the second driving member is connected to the second clamping plate (506). Both the first clamping plate (502) and the second clamping plate (506) are slidably connected to the support plate (6). The first clamping plate (502) and the second clamping plate (506) are driven to move relatively closer or farther away to clamp or release the steel mesh located on the conveying module (4).

7. The automatic steel mesh changing AGV transportation device according to claim 6, wherein, The first driving member is a third servo motor (501), the second driving member is a fourth servo motor (505), the third servo motor (501) is connected with a first transmission gear (503), the first transmission gear (503) meshes with a first rack (504) installed on the first clamping plate (502), the third servo motor (501) drives the first transmission gear (503) to rotate and drives the first clamping plate (502) to move towards the second clamping plate (506) through the first rack (504), the fourth servo motor (505) is connected with a second transmission gear (507), the second transmission gear (507) meshes with a second rack (508) installed on the second clamping plate (506), and the fourth servo motor (505) drives the second transmission gear (507) to rotate and drives the second clamping plate (506) to move towards the first clamping plate (502) through the second rack (508).

8. The automatic stencil changing AGV transportation device according to claim 6, wherein, A first slider is installed at the bottom of the first clamping plate (502), a first slide rail is installed on the support plate (6), and the first slider is slidably connected to the first slide rail. A second slider is installed at the bottom of the second clamping plate (506), a second slide rail is installed on the support plate (6), and the second slider is slidably connected to the second slide rail.

9. The automatic stencil-changing AGV transportation device according to claim 1, wherein It further includes an outer cover body (2); The outer cover body (2) covers the frame, and an opening (201) for the steel mesh to enter or leave is formed in the outer cover body (2), and the conveying module (4) can be driven by the lifting module (3) to move to be connected with the opening (201).

10. The automatic steel mesh changing AGV transportation device according to claim 9, wherein The number of the openings (201) is multiple, and the multiple openings (201) are formed in the outer cover body (2) in the vertical direction.

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