Welding robot with turnover structure

Abstract

The welding robot with the turnover structure comprises an operation table, a first sliding groove used for providing a sliding path is formed in the top of the operation table, a second sliding groove is formed in the position, adjacent to one side of the first sliding groove, of the top of the operation table, and a driving piece is installed on the inner side of the first sliding groove. The first sliding groove can provide a path for movement of the mechanical arm, the second sliding groove can facilitate the moving assembly to drive the clamping assembly to clamp and fix workpieces of different lengths, the rotating assembly can drive the clamped and fixed workpieces to turn over, and the problems that when existing equipment clamps the workpieces to turn over, the workpieces are prone to loosening and deviating or disengaging, and the work efficiency is high are solved. And the problems that existing equipment cannot conveniently clamp workpieces with different lengths, the workpieces are prone to being damaged or welding is inaccurate, the positions of the workpieces need to be manually adjusted, operation is tedious, and the welding precision of the equipment on the workpieces and the stability of fixing the workpieces are affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding robots, in particular to a welding robot with a flip structure. Background Art

[0002] A welding robot is an industrial robot engaged in welding (including cutting and spraying). An industrial robot is a multi-purpose, reprogrammable automatic control manipulator with three or more programmable axes. It is used in the field of industrial automation. In order to adapt to different uses, the mechanical interface of the last axis of the robot is usually a connecting flange, which can be connected to different tools or end effectors. A welding robot is an industrial robot that has welding tongs or welding (cutting) guns connected to the end axis flange. When welding some workpieces, the welding robot needs to flip the workpiece to the welding surface. When the existing equipment flips the workpiece clamp, the workpiece is prone to loosening or detaching, affecting the convenience of flipping and the stability of clamping.

[0003] When the existing equipment clamps the workpiece for flipping, the workpiece is prone to loosening, shifting or detaching, and the existing equipment cannot conveniently clamp workpieces of different lengths, which can easily cause damage to the workpiece or inaccurate welding. Manual adjustment of the workpiece position is required, and the operation is cumbersome, affecting the accuracy of the equipment in welding the workpiece and the stability of fixing the workpiece. Therefore, technical personnel in this field provide a welding robot with a flipping structure to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a welding robot with a flip structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding robot with a flip structure, comprising an operating table, a first slide groove for providing a sliding path is provided on the top of the operating table, a second slide groove is provided on the top of the operating table and adjacent to one side of the first slide groove, a driving member is installed inside the first slide groove, a mechanical arm is installed on the top of the driving member, and a gun head for welding is installed at one end of the mechanical arm;

[0006] A moving component is installed inside the second slide groove, two groups of clamping components for fixing the workpiece are installed inside the second slide groove, and a rotating component for driving the flipping is installed at the other end of the clamping component.

[0007] Preferably: the moving component includes a first screw rod that passes through a second slide groove for driving, a driving block that is inside the second slide groove and located outside the first screw rod, a support plate for fixing is installed on the top of the driving block, a first motor is installed on one side of the operating table and at one end of the first screw rod that is displaced, the first screw rod is a bidirectional screw rod, and the first screw rod passes through the driving block and is threadedly connected to it.

[0008] Preferably: the clamping assembly includes a rotating block passing through the inner side of the support plate, one end of the rotating block is connected to a support frame, a second screw rod for driving passes through the inner side of the support frame, a lower pressure plate is located inside the support frame and outside the second screw rod, the second screw rod passes through the lower pressure plate and is screwed thereto, and the cross-sections of the lower pressure plate and the support frame are both U-shaped.

[0009] Preferably: the clamping assembly also includes a third screw installed at one end of the lower pressure plate, a fixed block for connection is installed at one end of the third screw, a clamping plate is installed on one side of the fixed block, the third screw passes through one end of the lower pressure plate and is screwed thereto, and the third screw is rotatably connected to the fixed block.

[0010] Preferably: the rotating assembly includes a first gear ring mounted on the other end of the rotating block, a rotating shaft is installed on the other side of the support plate, a second gear ring is mounted on the outer side of the rotating shaft, a second motor is installed at one end of the rotating shaft, and the first gear ring is meshed with the second gear ring.

[0011] Preferably, the driving member comprises a cylinder installed at one end of the operating table, a push rod for driving is installed at one end of the cylinder, and a moving block is located inside the first slide groove and at one end of the push rod, and the moving block is slidably connected to the first slide groove.

[0012] Preferably, a guide block for guiding is installed on the top of the fixing block, a guide groove is provided on the inner bottom of the lower pressing plate, and the guide block is slidably connected to the guide groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, by setting the first slide groove and the second slide groove, the first slide groove can provide a path for the movement of the robot arm, so that the robot arm drives the gun head to perform welding operations on the workpiece. The second slide groove can facilitate the moving component to drive the clamping component to clamp and fix workpieces of different lengths. The rotating component can drive the clamped and fixed workpiece to be flipped, thereby improving the convenience and stability of the equipment in flipping the workpiece.

[0015] 2. In the present invention, by providing a first screw rod, a driving block and a support plate, the first screw rod can drive the two driving blocks to slide in the second slide groove, so that the two driving blocks drive the support plates to move closer to or away from each other.

[0016] 3. In the utility model, by setting a second screw, a lower pressure plate and a clamping plate, the support plate drives the support frame on one side of the rotating block to move when it moves, so that the two support frames can adapt to clamping workpieces of different lengths, and the second screw is used to drive the lower pressure plate to approach the bottom of the support frame to press down and fix the workpiece, and then the third screw is used to drive the clamping plate on one side of the fixed block to move in the lower pressure plate, so that the clamping plate is close to one end of the lower pressure plate to clamp and fix the workpiece, so that the support frame, the lower pressure plate and the clamping plate can clamp the workpiece in multiple directions, thereby improving the stability and convenience of fixing the workpiece and preventing the workpiece from loosening, deviating or detaching. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 It is a front cutaway stereoscopic view of the overall structure of the utility model;

[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 It is a schematic diagram of the structure of the support plate, the rotating block, the first gear ring, the rotating shaft, the second gear ring and the second motor in the overall structure of the utility model.

[0022] In the figure: 1. operating table; 2. first slide; 3. second slide; 4. mechanical arm; 5. gun head; 6. first screw; 7. driving block; 8. support plate; 9. first motor; 10. rotating block; 11. support frame; 12. second screw; 13. lower pressure plate; 14. third screw; 15. fixed block; 16. clamping plate; 17. first gear ring; 18. rotating shaft; 19. second gear ring; 20. second motor; 21. cylinder; 22. push rod; 23. moving block; 24. guide block; 25. guide groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 to Figure 5In an embodiment of the utility model, a welding robot with a flipping structure includes an operating table 1, a first slide groove 2 for providing a sliding path is opened on the top of the operating table 1, a second slide groove 3 is opened on the top of the operating table 1 and adjacent to the first slide groove 2, a driving member is installed inside the first slide groove 2, a mechanical arm 4 is installed on the top of the driving member, a gun head 5 for welding is installed at one end of the mechanical arm 4, a moving component is installed inside the second slide groove 3, two groups of clamping components for fixing workpieces are installed inside the second slide groove 3, and a rotating component for driving flipping is installed at the other end of the clamping component.

[0025] When in use, the first slide groove 2 can provide a path for the movement of the robotic arm 4, and the second slide groove 3 can facilitate the moving component to drive the clamping component to clamp and fix workpieces of different lengths. The rotating component can drive the clamped workpiece to be flipped, thereby improving the convenience and stability of the equipment in flipping the workpiece.

[0026] In one embodiment, specifically, the moving component includes a first screw rod 6 that passes through the second slide groove 3 for driving, a driving block 7 that is inside the second slide groove 3 and located outside the first screw rod 6, a support plate 8 for fixing is installed on the top of the driving block 7, and a first motor 9 is installed on one side of the operating table 1 and at one end of the first screw rod 6 that is displaced. The first screw 6 is a bidirectional screw rod, the first screw 6 passes through the driving block 7 and is screwed thereto, and the first screw 6 can drive the two driving blocks 7 to slide in the second slide groove 3, so that the two driving blocks 7 can drive the support plate 8 to move closer to or away from each other.

[0027] Among them, the clamping assembly includes a rotating block 10 that passes through the inner side of the support plate 8, one end of the rotating block 10 is connected to a support frame 11, a second screw 12 for driving is passed through the inner side of the support frame 11, a lower pressure plate 13 is located on the inner side of the support frame 11 and on the outer side of the second screw 12, the clamping assembly also includes a third screw 14 installed on one end of the lower pressure plate 13, a fixed block 15 for connection is installed on one end of the third screw 14, a clamping plate 16 is installed on one side of the fixed block 15, the third screw 14 passes through one end of the lower pressure plate 13 and is screwed thereto, the third screw 14 is rotatably connected to the fixed block 15, the second screw 12 passes through the lower pressure plate 13 and is screwed thereto, and the cross-sections of the lower pressure plate 13 and the support frame 11 are both U-shaped.

[0028] Furthermore, when the support plate 8 moves, it drives the support frame 11 on one side of the rotating block 10 to move, so that the two support frames 11 can adapt to clamping workpieces of different lengths, and the second screw 12 is used to drive the lower pressure plate 13 close to the bottom of the support frame 11 to press down and fix the workpiece, and then the third screw 14 is used to drive the clamping plate 16 on one side of the fixed block 15 to move in the lower pressure plate 13, and the clamping plate 16 is close to one end of the lower pressure plate 13 to clamp and fix the workpiece, so that the support frame 11, the lower pressure plate 13 and the clamping plate 16 can clamp the workpiece in multiple directions, thereby improving the stability and convenience of fixing the workpiece and preventing the workpiece from loosening, deviating or detaching.

[0029] In one embodiment, specifically, the rotating assembly includes a first gear ring 17 mounted on the other end of the rotating block 10, a rotating shaft 18 is installed on the other side of the support plate 8, a second gear ring 19 is mounted on the outer side of the rotating shaft 18, a second motor 20 is installed on one end of the rotating shaft 18, the first gear ring 17 is meshed with the second gear ring 19, the second motor 20 can drive the second gear ring 19 to rotate through the rotating shaft 18, and the second gear ring 19 can drive the rotating block 10 to rotate through the first gear ring 17, so that the workpiece clamped by the two rotating blocks 10 through the support frame 11 is flipped, so that the robot arm 4 drives the gun head 5 to perform welding operations on the workpiece.

[0030] Among them, the driving part includes a cylinder 21 installed at one end of the operating table 1, a push rod 22 for driving is installed at one end of the cylinder 21, a moving block 23 is located inside the first slide groove 2 and at one end of the push rod 22, the moving block 23 is slidably connected with the first slide groove 2, the cylinder 21 drives the moving block 23 to slide in the first slide groove 2 through the push rod 22, and the moving block 23 drives the gun head 5 through the mechanical arm 4 to perform welding operations on different positions of the workpiece, thereby improving the convenience and accuracy of the equipment's welding operations on the workpiece.

[0031] Furthermore, a guide block 24 for guiding is installed on the top of the fixed block 15, and a guide groove 25 is opened at the inner bottom of the lower pressure plate 13. The guide block 24 is slidably connected with the guide groove 25. The guide block 24 can guide and limit the fixed block 15 to prevent the fixed block 15 from rotating, thereby improving the stability of the third screw 14 driving the clamping plate 16 to slide in the lower pressure plate 13 through the fixed block 15.

[0032] The working principle of this utility model:

[0033] First, start the first motor 9, so that it drives the two driving blocks 7 to slide in the second slide groove 3 through the first screw 6. At this time, the two driving blocks 7 drive the support plates 8 to approach each other, and then place the workpiece in the support frame 11 and under the lower pressure plate 13. Then rotate the second screw 12 and the third screw 14. At this time, the second screw 12 drives the lower pressure plate 13 to approach the bottom of the support frame 11 to press and fix the workpiece, and then rotate the third screw 14 to drive the clamping plate 16 on one side of the fixed block 15 to move in the lower pressure plate 13. At the same time, the fixed block 15 drives the guide block 24 in the guide groove 25, and then the clamping plate 16 is close to one end of the lower pressure plate 13 to clamp and fix the workpiece, and then the second motor 20 is started to drive the second gear ring 19 to rotate through the rotating shaft 18. At this time, the second gear ring 19 drives the rotating block 10 to rotate through the first gear ring 17, and then the two rotating blocks 10 drive the clamped workpiece to flip through the support frame 11, and then the cylinder 21 is started to drive the moving block 23 to slide in the first slide groove 2 through the push rod 22. At this time, the moving block 23 drives the gun head 5 through the mechanical arm 4 to perform welding operations on different positions of the workpiece.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A welding robot with a flip structure, comprising an operating table (1), characterized in that: The top of the operating table (1) is provided with a first slide groove (2) for providing a sliding path, the top of the operating table (1) is provided with a second slide groove (3) adjacent to one side of the first slide groove (2), a driving member is installed inside the first slide groove (2), a mechanical arm (4) is installed on the top of the driving member, and a gun head (5) for welding is installed at one end of the mechanical arm (4); A moving component is installed inside the second slide groove (3), and two groups of clamping components for fixing the workpiece are installed inside the second slide groove (3). A rotating component for driving the flipping is installed at the other end of the clamping component.

2. A welding robot with a flip structure according to claim 1, characterized in that: The moving assembly comprises a first screw rod (6) penetrating the second slide groove (3) for driving, a driving block (7) located inside the second slide groove (3) and outside the first screw rod (6), a support plate (8) for fixing is installed on the top of the driving block (7), a first motor (9) is installed on one side of the operating table (1) and at one end of the first screw rod (6) for displacement, the first screw rod (6) is a bidirectional screw rod, and the first screw rod (6) penetrates the driving block (7) and is screwed thereto.

3. A welding robot with a flip structure according to claim 2, characterized in that: The clamping assembly comprises a rotating block (10) passing through the inner side of the support plate (8), one end of the rotating block (10) is connected to a support frame (11), a second screw rod (12) for driving is passed through the inner side of the support frame (11), a lower pressure plate (13) is located inside the support frame (11) and outside the second screw rod (12), the second screw rod (12) passes through the lower pressure plate (13) and is screwed thereto, and the cross-sections of the lower pressure plate (13) and the support frame (11) are both U-shaped.

4. The welding robot with a flip structure according to claim 3, characterized in that: The clamping assembly also includes a third screw rod (14) installed at one end of the lower pressure plate (13), a fixed block (15) for connection is installed at one end of the third screw rod (14), a clamping plate (16) is installed on one side of the fixed block (15), the third screw rod (14) passes through one end of the lower pressure plate (13) and is screwed thereto, and the third screw rod (14) is rotatably connected to the fixed block (15).

5. The welding robot with a flip structure according to claim 3, characterized in that: The rotating assembly comprises a first gear ring (17) mounted on the other end of the rotating block (10); a rotating shaft (18) is mounted on the other side of the supporting plate (8); a second gear ring (19) is mounted on the outer side of the rotating shaft (18); a second motor (20) is mounted on one end of the rotating shaft (18); and the first gear ring (17) is meshed with the second gear ring (19).

6. The welding robot with a flip structure according to claim 1, characterized in that: The driving member comprises a cylinder (21) mounted on one end of the operating table (1), a push rod (22) for driving is mounted on one end of the cylinder (21), a moving block (23) is located inside the first sliding groove (2) and at one end of the push rod (22), and the moving block (23) is slidably connected to the first sliding groove (2).

7. The welding robot with a flip structure according to claim 4, characterized in that: A guide block (24) for guiding is installed on the top of the fixed block (15), a guide groove (25) is opened at the inner bottom of the lower pressing plate (13), and the guide block (24) is slidably connected to the guide groove (25).

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