Automatic welding device for automobile air conditioner plate

Abstract

The invention discloses an automobile air conditioner plate automatic welding device which comprises a mounting plate (1), a base (2) is arranged on the mounting plate (1), a positioning pin (4) matched with an air conditioner plate (3) is arranged on the base (2), a positioning hole (5) matched with the positioning pin (4) is formed in the air conditioner plate (3), the automobile air conditioner plate automatic welding device further comprises a workbench (13), the positioning pin (4) is in a conical shape, and the workbench (13) is arranged on the base (2). A screw rod (7) for controlling the base (2) to move is arranged on the mounting plate (1); when the mechanical arm grabs the air conditioner plate (3) to the position above the clamping and welding device, the positioning pin (4) is used for positioning the positioning hole (5) in the air conditioner plate (3), and in the process that the lower air conditioner plate (3) descends, the positioning pin (4) is pushed to adapt to the size of the air conditioner plate (3), so that the air conditioner plate (3) can be conveniently and more stably fixed, shaking during welding is reduced, and the quality and attractiveness of a final finished product are improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of welding devices, and in particular, relates to an automatic welding device for automobile air-conditioning panels. Background Art

[0002] Automobile air-conditioning panels are plate-shaped workpieces. During welding processing, robotic arms are usually used to move the air-conditioning panels.

[0003] The patent number is 201520903739.3, and the disclosure date is April 13, 2016. A public specification discloses a pipe joint welding device for automobile air conditioners, including a base and a controller arranged on the base. The base is provided with an insulating clamp, a pit is provided in the center of the top of the clamp, a threaded interface is provided on the inner wall of the pit, a joint is connected to the threaded interface, and a pipe is inserted on the upper part of the joint; a high-frequency brazing pipe is provided on the periphery of the connecting section between the joint and the pipe, and the high-frequency brazing pipe is connected to the brazing machine. The utility model provides a pipe joint welding device for automobile air conditioners, which replaces manual labor with automation technology, and develops a brazing device based on high-frequency induction heating brazing equipment. Avoid quality defects and safety hazards caused by manual operation. Achieve the purpose of safety, high efficiency, energy saving and environmental protection, and reduce labor costs.

[0004] Existing welding devices usually use pin hole positioning devices for positioning, but due to different models, when adjusting the pin position, the pin usually fails to accurately match the hole, resulting in unstable installation. Summary of the invention

[0005] The present invention aims to provide an automatic welding device for automobile air-conditioning panels with improved positioning accuracy.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an automatic welding device for automobile air-conditioning panels, comprising a mounting plate, a base is provided on the mounting plate, a positioning pin matching with the air-conditioning panel is provided on the base, and a positioning hole matching with the positioning pin is provided on the air-conditioning panel.

[0007] The base is divided into a sliding base and a fixed base. The fixed base is mounted on a mounting plate by screws. A positioning plate is provided on the base, and the positioning pin is arranged on the positioning plate.

[0008] A screw rod is arranged on the mounting plate, a sliding block matched with the screw rod is arranged at the bottom of the sliding seat, a bearing seat supporting the screw rod is arranged on the mounting plate, and a slide rail matched with the sliding block is arranged on the mounting plate.

[0009] A hand wheel is arranged at the end of the screw rod, the screw rod passes through the fixed seat, the bearing seat is located outside the bases on both sides, and a limiting shaft is arranged at the end of the screw rod, and the limiting shaft is plugged into the bearing seat.

[0010] It also includes a workbench, the positioning pin is conical, the positioning plate is provided with a slide groove, both sides of the bottom end of the positioning pin are provided with fixing plates, and the fixing plates are provided with expansion screws inserted in the slide groove.

[0011] A support block is provided on the workbench, a slide rod is inserted in the support block, both ends of the slide rod are connected to the mounting plate, a track is provided between the workbench and the support block, the support block is slidably arranged on the track, and a sliding sleeve is provided in the support block and is sleeved on the outside of the slide rod.

[0012] The slide bars and the track are perpendicular to each other in a horizontal plane. A positioning rail is arranged on the track. A rail groove matching the positioning rail is arranged at the bottom of the support block. The slide bars are arranged in pairs.

[0013] The support block is divided into a base arranged on the workbench and a top seat arranged on the top of the base, the positioning rail is embedded in the base, and the sliding rod is inserted in the top seat.

[0014] An insertion shaft is arranged between the top seat and the base, two ends of the insertion shaft are respectively located in the top seat and the base, and two ends of the insertion shaft are provided with fixed friction blocks matched with the slide rod and the positioning rail.

[0015] A top plate and a bottom plate are respectively provided on the sides of the top seat and the base, a support spring is provided between the top plate and the bottom plate, an insertion rod located inside the support spring is fixedly mounted on the top plate, the insertion rod passes through the bottom plate, a limit plate is provided at one end of the insertion rod located below the bottom plate, and an elastic support plate located below the bottom plate is provided on the insertion rod.

[0016] The technical effect of the present invention is: when the robotic arm grabs the air-conditioning panel to the top of the clamping welding device, the positioning pins are used to position the positioning holes on the air-conditioning panel. During the process of the lower air-conditioning panel descending, the positioning pins are pushed to adapt to the size of the air-conditioning panel, so as to fix the air-conditioning panel more stably, reduce the jitter during welding, and improve the quality and aesthetics of the final product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] This specification includes the following drawings, which show the following contents:

[0018] Figure 1 This is a structural schematic diagram of an automatic welding device for automobile air-conditioning panels of the present invention;

[0019] Figure 2 for Figure 1 A schematic diagram of a support block of an automatic welding device for automobile air-conditioning panels;

[0020] Figure 3 for Figure 1 A schematic diagram of a fixed friction block of an automatic welding device for automobile air-conditioning panels;

[0021] Figure 4 for Figure 1 Schematic diagram of an elastic support plate of an automated welding device for automobile air-conditioning panels.

[0022] The markings in the figure are: 1. Mounting plate; 2. Base; 201. Sliding seat; 202. Fixed seat; 3. Air conditioning board; 4. Locating pin; 5. Locating hole; 6. Locating plate; 7. Screw; 8. Slider; 9. Bearing seat; 10. Slide rail; 11. Handwheel; 12. Limiting shaft; 13. Workbench; 14. Slide groove; 15. Fixed plate; 16. Expansion screw; 17. Support block; 1701; Top seat; 1702, Base; 18. Sliding rod; 19. Track; 20. Sliding sleeve; 21. Insert shaft; 22. Fixed friction block; 23. Top plate; 24. Bottom plate; 25. Support spring; 26. Limiting plate; 27. Elastic support plate; 28. Outer cover; 29. ​​Insert rod. DETAILED DESCRIPTION

[0023] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0024] See also Figure 1-4 , an automatic welding device for automobile air-conditioning panels includes a mounting plate 1, a base 2 is provided on the mounting plate 1, a positioning pin 4 matching with the air-conditioning panel 3 is provided on the base 2, and a positioning hole 5 matching with the positioning pin 4 is provided on the air-conditioning panel 3; when the robot arm grabs the air-conditioning panel 3 to the top of the clamping welding device, the positioning pin 4 is used to position the positioning hole 5 on the air-conditioning panel 3, and during the lower air-conditioning panel 3 descending, the positioning pin 4 is pushed to adapt to the size of the air-conditioning panel 3, so that the air-conditioning panel 3 can be fixed more stably, the jitter during welding can be reduced, and the quality and aesthetics of the final product can be improved.

[0025] The base 2 is divided into a sliding seat 201 and a fixed seat 202. The fixed seat 202 is installed on the mounting plate 1 by screws. A positioning plate 6 is provided on the base 2, and a positioning pin 4 is provided on the positioning plate 6. Before the air-conditioning panel 3 is placed on the welding device by the robotic arm, the sliding seat 201 is pushed first, and the relative distance between the sliding seat 201 and the fixed seat 202 is adjusted so that the positioning hole 5 can be preliminarily matched with the positioning pin 4 to prevent the positioning hole 5 from failing to match with the positioning pin 4.

[0026] A screw rod 7 is provided on the mounting plate 1, a slider 8 matching with the screw rod 7 is provided at the bottom of the sliding seat 201, a bearing seat 9 supporting the screw rod 7 is provided on the mounting plate 1, and a slide rail 10 matching with the slider 8 is provided on the mounting plate 1; the sliding seat 201 is controlled to slide by rotating the screw rod 7, and the relative distance between the sliding seat 201 and the fixed seat 202 is adjusted, thereby controlling the relative distance between the positioning pins 4 to adapt to different models of air conditioning panels 3.

[0027] A handwheel 11 is provided at the end of the screw rod 7, the screw rod 7 passes through the fixed seat 202, the bearing seat 9 is located on the outside of the base 2 on both sides, and a limit shaft 12 is provided at the end of the screw rod 7, and the limit shaft 12 is inserted into the bearing seat 9; the screw rod 7 is rotated by the handwheel 11, and the bearing seat 9 is used to support the screw rod 7. At the same time, the limit shaft 12 cooperates with the bearing seat 9 to prevent the screw rod 7 from detaching from the bearing seat 9.

[0028] It also includes a workbench 13, the positioning pin 4 is conical, the positioning plate 6 is provided with a slide groove 14, the two sides of the bottom end of the positioning pin 4 are provided with a fixing plate 15, and the fixing plate 15 is provided with an expansion screw 16 inserted in the slide groove 14; the conical positioning pin 4 can allow a large distance deviation between the positioning hole 5 and the positioning pin 4. When the air-conditioning plate 3 descends, the edge of the positioning hole 5 descends along the positioning pin 4, so that the positioning pin 4 is used to push the mounting plate 1 to adjust its position. At the same time, the positioning pin 4 can adjust its position in the slide groove 14 on the positioning plate 6 and be fixed by the expansion screw 16, so as to achieve a preliminary positioning effect.

[0029] A support block 17 is provided on the workbench 13, and a slide rod 18 is inserted in the support block 17. Both ends of the slide rod 18 are connected to the mounting plate 1. A track 19 is provided between the workbench 13 and the support block 17. The support block 17 is slidably set on the track 19. A sliding sleeve 20 is provided in the support block 17 and is sleeved on the outer side of the slide rod 18. This structure is a four-way movable structure, so that the mounting plate 1 can slide in four directions, thereby adjusting the relative position of the mounting plate 1.

[0030] The slide rod 18 and the track 19 are perpendicular to each other in the horizontal plane. A positioning rail is provided on the track 19. A track groove matching the positioning rail is provided at the bottom of the support block 17. The slide rods 18 are arranged in pairs to facilitate the support block 17 to slide along the track 19. The paired slide rods 18 can play a better supporting role, improve the strength of the support, and avoid rotational fracture.

[0031] The support block 17 is divided into a base 1702 arranged on the workbench 13 and a top seat 1701 arranged on the top of the base 1702 , the positioning rail is embedded in the base 1702 , and the slide rod 18 is inserted in the top seat 1701 .

[0032] An insertion shaft 21 is provided between the top seat 1701 and the base 1702, and the two ends of the insertion shaft 21 are respectively located in the top seat 1701 and the base 1702, and the two ends of the insertion shaft 21 are provided with fixed friction blocks 22 that cooperate with the slide rod 18 and the positioning rail; when the top seat 1701 and the base 1702 are close to each other, the fixed friction block 22 is attached to the slide rod 18 and the rail groove, and the friction force is used to support the purpose of the block 17.

[0033] A top plate 23 and a bottom plate 24 are respectively provided on the side edges of the top seat 1701 and the base 1702, a support spring 25 is provided between the top plate 23 and the bottom plate 24, an insertion rod 29 located on the inner side of the support spring 25 is fixedly mounted on the top plate 23, the insertion rod 29 passes through the bottom plate 24, a limit plate 26 is provided at one end of the insertion rod 29 located below the bottom plate 24, an elastic support plate 27 located below the bottom plate 24 is provided on the insertion rod 29; the elastic support plate 27 is a wedge-shaped plate that pops outward, and at the same time, an outer cover 28 is provided on the surface of the insertion rod 29 to limit the elastic support plate 27 from popping out too high. When the top seat 1701 and the base 1702 are close to each other, the insertion rod 29 descends, and the elastic support plate 27 moves to the bottom of the bottom plate 24 and pops out, and the bottom plate 24 is stuck by the elastic support plate 27 to prevent the top plate 23 and the bottom plate 24 from separating, thereby achieving the purpose of fixing the top seat 1701 and the base 1702.

[0034] The technical effect of the present invention is: when the robotic arm grabs the air-conditioning panel 3 to the top of the clamping welding device, the positioning pins 4 are used to position the positioning holes 5 on the air-conditioning panel 3. During the descent of the lower air-conditioning panel 3, the positioning pins 4 are pushed to adapt to the size of the air-conditioning panel 3, so as to fix the air-conditioning panel 3 more stably, reduce the jitter during welding, and improve the quality and aesthetics of the final product.

[0035] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An automatic welding device for automobile air-conditioning panels, characterized in that: The invention comprises a mounting plate (1), wherein a base (2) is provided on the mounting plate (1), a positioning pin (4) matched with an air conditioning plate (3) is provided on the base (2), and a positioning hole (5) matched with the positioning pin (4) is provided on the air conditioning plate (3).

2. The automatic welding device for automobile air-conditioning panels according to claim 1 is characterized in that: The base (2) is divided into a sliding seat (201) and a fixed seat (202); the fixed seat (202) is mounted on the mounting plate (1) by means of screws; a positioning plate (6) is provided on the base (2); and the positioning pin (4) is arranged on the positioning plate (6).

3. The automatic welding device for automobile air-conditioning panels according to claim 2 is characterized in that: A screw rod (7) is provided on the mounting plate (1), a sliding block (8) matching with the screw rod (7) is provided at the bottom of the sliding seat (201), a bearing seat (9) supporting the screw rod (7) is provided on the mounting plate (1), and a slide rail (10) matching with the sliding block (8) is provided on the mounting plate (1).

4. The automatic welding device for automobile air-conditioning panels according to claim 3 is characterized in that: A hand wheel (11) is provided at the end of the screw rod (7), the screw rod (7) passes through the fixed seat (202), the bearing seat (9) is located on the outside of the bases (2) on both sides, and a limiting shaft (12) is provided at the end of the screw rod (7), and the limiting shaft (12) is plugged into the bearing seat (9).

5. The automatic welding device for automobile air-conditioning panels according to claim 2 is characterized in that: It also includes a workbench (13), the positioning pin (4) is conical, the positioning plate (6) is provided with a slide groove (14), both sides of the bottom end of the positioning pin (4) are provided with fixing plates (15), and the fixing plate (15) is provided with an expansion screw (16) inserted into the slide groove (14).

6. The automatic welding device for automobile air-conditioning panels according to claim 5 is characterized in that: A support block (17) is provided on the workbench (13), a slide bar (18) is inserted into the support block (17), both ends of the slide bar (18) are connected to the mounting plate (1), a track (19) is provided between the workbench (13) and the support block (17), the support block (17) is slidably arranged on the track (19), and a sliding sleeve (20) is provided in the support block (17) and is sleeved on the outside of the slide bar (18).

7. The automatic welding device for automobile air-conditioning panels according to claim 6 is characterized in that: The slide rod (18) and the track (19) are perpendicular to each other on a horizontal plane. A positioning rail is provided on the track (19). A track groove matching the positioning rail is provided at the bottom of the support block (17). The slide rods (18) are arranged in pairs.

8. The automatic welding device for automobile air-conditioning panels according to claim 7 is characterized in that: The support block (17) is divided into a base (1702) arranged on the workbench (13) and a top seat (1701) arranged on the top of the base (1702), the positioning rail is embedded in the base (1702), and the sliding rod (18) is inserted in the top seat (1701).

9. The automatic welding device for automobile air-conditioning panels according to claim 8 is characterized in that: An insertion shaft (21) is provided between the top seat (1701) and the base (1702), and two ends of the insertion shaft (21) are respectively located in the top seat (1701) and the base (1702), and fixed friction blocks (22) that cooperate with the slide rod (18) and the positioning rail are provided at both ends of the insertion shaft (21).

10. An automatic welding device for automobile air-conditioning panels according to claim 8 or 9, characterized in that: A top plate (23) and a bottom plate (24) are respectively provided on the side edges of the top seat (1701) and the base (1702); a support spring (25) is provided between the top plate (23) and the bottom plate (24); an insertion rod (29) located inside the support spring (25) is fixedly mounted on the top plate (23); the insertion rod (29) passes through the bottom plate (24); a limit plate (26) is provided at one end of the insertion rod (29) located below the bottom plate (24); and an elastic support plate (27) located below the bottom plate (24) is provided on the insertion rod (29).

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