Welding clamping tool of welding robot

Abstract

The welding clamping tool of the welding robot comprises a workbench, the upper end face of the workbench is connected with two symmetrical movable frames in a sliding mode, the movable frames are connected with rotating rings in a rotating mode, and the inner walls of the rotating rings are fixedly connected with two symmetrical electric telescopic columns. Clamping blocks are fixedly connected to the opposite ends of the two electric telescopic columns, V-shaped grooves are formed in the opposite sides of the two clamping blocks, a gear ring is fixedly connected to the outer wall of the rotating ring, a gear is meshed with the outer edge of the gear ring, the gear is rotationally connected with the moving frame, and a sliding rod is jointly slidably connected between the two gears; a tubular or rectangular part is rapidly clamped and fixed through V-shaped grooves in the two clamping blocks, the clamped part is rotated in cooperation with use of a first forward and reverse motor, the part needing to be welded can be rotated conveniently, the use flexibility of the clamping tool can be improved, the clamped part is fixed, and the welding efficiency is improved. And the welding stability and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding clamping tooling, in particular to a welding clamping tooling of a welding robot. Background Art

[0002] Welding robots are industrial robots engaged in welding. They have gradually replaced manual welding and are widely used in various processing and production industries. However, during the welding process of the welding robot, the parts to be welded need to be fixed by a clamping device to ensure the stability of the parts during the welding process and improve the stability and quality of welding.

[0003] According to a Chinese patent document with announcement number CN217750162U, a welding clamping tool for a welding robot includes two side plates, the opposite surfaces of the two side plates are fixedly connected with guide rods, two wheel brackets are slidably connected to the guide rods, the two wheel brackets are provided with clamping rollers, and a distance adjustment device that can adjust the distance between the two clamping rollers is provided between the two clamping rollers. The utility model can clamp and fix a round tube by a clamping roller with a concave surface, and the distance between the two clamping rollers can be adjusted by the distance adjustment device. It is suitable for round tubes of different diameters and has good versatility.

[0004] Based on the search of the above patents and in combination with the clamping tooling in the prior art, it is found that when the above tooling is in use, the concave surface of the clamping roller is used to clamp and fix the round tube, and the spacing between the two rollers is adjusted. However, in actual use, due to different production requirements and scopes in various industries, the shapes of parts targeted during welding are different, which may involve tubular and rectangular materials, and the above tooling cannot effectively clamp and fix rectangular or special-shaped workpieces, which greatly limits the use of the tooling. During the welding process, the clamping tooling needs to be replaced according to parts of different shapes, which reduces its practicality. Utility Model Content

[0005] The utility model aims to provide a welding clamping tool for a welding robot, wherein the spacing between two moving frames can be adjusted by moving the two moving frames, and the two electric telescopic columns on the rotating ring are controlled with the respective corresponding clamping blocks, and the tubular or rectangular parts are quickly clamped and fixed by the V-grooves on the two clamping blocks, and the clamped parts are rotated by using a first forward and reverse motor, which is convenient for rotating the parts to be welded, can improve the flexibility of the use of the clamping tool, fix the clamped parts, and improve the stability and quality of welding.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding clamping tool for a welding robot, comprising a workbench, the upper end surface of the workbench is slidably connected with two symmetrical moving frames, the moving frame is rotatably connected with a rotating ring, the inner wall of the rotating ring is fixedly connected with two symmetrical electric telescopic columns, the opposite ends of the two electric telescopic columns are fixedly connected with clamping blocks, the opposite sides of the two clamping blocks are provided with V-shaped grooves, the outer wall of the rotating ring is fixedly connected with a gear ring, the outer edge of the gear ring is meshed with a gear, the gear is rotatably connected with the moving frame, a sliding rod is slidably connected between the two gears, the sliding rod is slidably connected with the moving frame, two symmetrical sliding grooves are provided on the outer wall of the sliding rod, two symmetrical sliders are fixedly connected on the inner wall of the gear, the slider is slidably connected with the sliding groove, both ends of the sliding rod are rotatably connected with a first fixed block, the upper end surface of the workbench is fixedly connected with a positioning plate, the upper end surface of the positioning plate is fixedly connected with a first forward and reverse motor, the output end of the first forward and reverse motor is connected with a rotating shaft, and the rotating shaft is fixedly connected to the sliding rod.

[0007] The beneficial effects of the utility model are as follows: the first forward and reverse motor is used to make the rotating shaft rotate with the sliding rod, thereby cooperating with the action of the slider to drive the two gears, so that the gears are meshed with the gear rings, and the two gear rings rotate with their respective corresponding rotating rings. The two electric telescopic columns on the rotating ring can control the respective corresponding clamping blocks, and the parts to be welded are clamped and fixed through the V-shaped grooves, so as to realize the rapid fixation of the parts:

[0008] In order to quickly clamp and rotate the parts:

[0009] As a further improvement of the above technical solution: a moving groove is opened on the upper end surface of the workbench, a fixing plate is fixedly connected to one side of the workbench, a second forward and reverse motor is fixedly connected to the upper end surface of the fixing plate, a bidirectional screw is connected to the output end of the second forward and reverse motor, two symmetrical moving blocks are screwed on the bidirectional screw, and the moving blocks are fixedly connected to the moving frame.

[0010] The beneficial effect of this improvement is that the bidirectional screw can be screwed with the two moving blocks through the rotation of the second forward and reverse motor, so that the moving frame can be moved by the movement of the moving block, and the distance between the two moving frames can be adjusted, so that the distance between the two moving frames can be flexibly controlled:

[0011] In order to control the distance between two moving racks:

[0012] As a further improvement of the above technical solution: a limiting groove is provided in the movable frame, a limiting ring is rotatably connected in the limiting groove, and the limiting ring is fixedly connected to the rotating ring.

[0013] The beneficial effect of this improvement is that the use of the limiting groove and the limiting ring can limit the rotating ring, ensuring that the rotating ring can be stably connected to the moving frame during the rotation process without shaking or tilting:

[0014] In order to limit the rotating ring:

[0015] As a further improvement of the above technical solution: a rotation groove is provided on the side of the movable frame in contact with the gear, a stabilizing ring is rotatably connected in the rotation groove, and the stabilizing ring is fixedly connected to the gear.

[0016] The beneficial effect of this improvement is that the gear can be limited by using the rotating groove and the stabilizing ring to ensure that the gear and the gear ring are always in meshing state and prevent the gear and the gear ring from being separated:

[0017] In order to stabilize the gears and ensure effective rotation of the gears:

[0018] As a further improvement of the above technical solution: two symmetrical second fixed blocks are fixedly connected to the upper end surface of the workbench, a guide rod is fixedly connected between the two second fixed blocks, and the guide rod is slidably connected to the movable frame.

[0019] The beneficial effects of this improvement are: by using the guide rod, the two mobile racks can be limited, the mobile racks can be assisted to slide, and the two mobile racks can be balanced with the sliding rod to improve the stability of the mobile racks during movement:

[0020] In order to guide the mobile frame, assist its movement, and ensure its stability:

[0021] As a further improvement of the above technical solution: a rubber pad is provided at the V-shaped groove, and the rubber pad is fixedly connected to the clamping block.

[0022] The beneficial effects of this improvement are: by using the rubber pad, the friction between the parts to be welded can be increased, and the parts can be stabilized during the clamping process to prevent the parts from sliding:

[0023] To stabilize the parts:

[0024] As a further improvement of the above technical solution: support columns are fixedly connected to the four corners of the lower end surface of the workbench.

[0025] The beneficial effect of this improvement is that the entire workbench can be supported by using four support columns to ensure the stability of the entire tooling:

[0026] In order to support and fix the entire clamping tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0028] Figure 2 A top view provided for the utility model;

[0029] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view in the AA direction;

[0030] Figure 4 The utility model provides Figure 2 The three-dimensional cross-section view in the middle BB direction;

[0031] Figure 5 The utility model provides Figure 4 The enlarged view of point A in the middle;

[0032] Figure 6 A front view provided for the utility model;

[0033] Figure 7 The utility model provides Figure 6 The three-dimensional cross-section view in the CC direction;

[0034] Figure 8 The utility model provides Figure 7 Enlarged view of point B in the middle.

[0035] In the figure, 1, workbench; 11, moving frame; 12, rotating ring; 13, electric telescopic column; 14, clamping block; 15, V-shaped groove; 16, gear ring; 17, gear; 18, sliding rod; 19, slide groove; 20, slider; 21, first fixed block; 22, positioning plate; 23, first forward and reverse motor; 24, rotating shaft; 31, moving groove; 32, retaining plate; 33, second forward and reverse motor; 34, bidirectional screw; 35, moving block; 41, limiting groove; 42, limiting ring; 51, rotating groove; 52, stabilizing ring; 61, second fixed block; 62, guide rod; 71, rubber pad; 81, supporting column. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0037] like Figures 1 to 8As shown, a welding clamping tool for a welding robot provided by an embodiment of the utility model comprises a workbench 1, wherein the upper end surface of the workbench 1 is slidably connected to two symmetrical moving frames 11, the moving frames 11 are rotatably connected to a rotating ring 12, the two moving frames 11 can move with their respective corresponding rotating rings 12, two symmetrical electric telescopic columns 13 are fixedly connected to the inner wall of the rotating ring 12, the opposite ends of the two electric telescopic columns 13 are fixedly connected to clamping blocks 14, the respective corresponding clamping blocks 14 can be controlled by the two electric telescopic columns 13 on the single rotating ring 12, the opposite sides of the two clamping blocks 14 are provided with V-shaped grooves 15, and the V-shaped grooves 15 on the clamping blocks 14 are used to clamp and fix parts of different shapes. A rubber pad 71 is provided at 15, and the rubber pad 71 is fixedly connected to the clamping block 14. The rubber pad 71 on the clamping block 14 can increase the friction between the parts and ensure the stability of the parts. A gear ring 16 is fixedly connected to the outer wall of the rotating ring 12, and a gear 17 is meshed on the outer edge of the gear ring 16. The gear 17 is rotatably connected to the moving frame 11. A sliding rod 18 is slidably connected between the two gears 17. The sliding rod 18 is slidably connected to the moving frame 11. Two symmetrical sliding grooves 19 are provided on the outer wall of the sliding rod 18. Two symmetrical sliders 20 are fixedly connected to the inner wall of the gear 17. The four sliders 20 can slide in the two sliding grooves 19 respectively to move the corresponding gears 17. The sliders 20 are slidably connected to the sliding grooves 19. The sliding rod 1 8 are rotatably connected with a first fixed block 21 at both ends, a positioning plate 22 is fixedly connected to the upper end surface of the workbench 1, and a first forward and reverse motor 23 is fixedly connected to the upper end surface of the positioning plate 22. The positioning plate 22 can fix the first forward and reverse motor 23 to ensure the stable output of the first forward and reverse motor 23. The output end of the first forward and reverse motor 23 is connected with a rotating shaft 24, and the rotating shaft 24 is fixedly connected to the sliding rod 18. Through the action of the first forward and reverse motor 23, the rotating shaft 24 drives the sliding rod 18 to drive, so that the two gears 17 on the sliding rod 18 are meshed with the corresponding gear ring 16, thereby rotating the rotating ring 12 and rotating and welding the clamped workpiece. A rotating groove 51 is provided on the side of the movable frame 11 that contacts the gear 17, and a stable Ring 52, stabilizing ring 52 is fixedly connected with gear 17, rotating groove 51 and stabilizing ring 52 can stabilize gear 17, ensure the stability of gear 17 during rotation, limit groove 41 is provided in movable frame 11, limit ring 42 is rotatably connected in limit groove 41, limit ring 42 is fixedly connected with rotating ring 12, use of limit groove 41 and limit ring 42 can limit rotating ring 12, ensure the stability of rotating ring 12 during rotation, a movable groove 31 is provided on the upper end surface of workbench 1, a fixing plate 32 is fixedly connected with one side of workbench 1, a second forward and reverse motor 33 is fixedly connected with the upper end surface of fixing plate 32, a fixing plate can fix the second forward and reverse motor 33, a bidirectional screw 34 is connected with the output end of the second forward and reverse motor 33,Two symmetrical moving blocks 35 are screwed on the bidirectional screw 34, and the moving blocks 35 are fixedly connected to the moving frame 11. By using the second forward and reverse motor 33, the bidirectional screw 34 is screwed on the two moving blocks 35, so that the two moving frames 11 are displaced by the movement of the two moving blocks 35 to control the distance between the two moving frames 11. Two symmetrical second fixed blocks 61 are fixedly connected to the upper end surface of the workbench 1. A guide rod 62 is fixedly connected between the two second fixed blocks 61. The guide rod 62 is slidably connected to the moving frame 11. The guide rod 62 can guide the two moving frames 11 and cooperate with the sliding rod 18 to stabilize the two moving frames 11 to ensure the balance of the moving frame 11. Support columns 81 are fixedly connected to the four corners of the lower end surface of the workbench 1. The four support columns 81 can support and fix the entire clamping tooling.

[0038] The working principle and use process of the utility model are as follows: when in use, first, the length of the welding parts can be adjusted according to the needs, and the two-way screw 34 is screwed with the two moving blocks 35 by using the second forward and reverse motor 33, so that the two moving frames 11 drive the corresponding moving frames 11 to move, and the spacing between the two moving frames 11 is adjusted, and then the two electric telescopic columns 13 on the rotating ring 12 are moved to move the two clamping blocks 14 on the single rotating ring 12, and the parts are clamped and fixed by the cooperation of the V-groove 15 on the clamping block 14 and the rubber pad 71, and then the parts to be welded are docked and welded. During the welding process, the first forward and reverse motor 23 can make the rotating shaft 24 rotate with the sliding rod 18, and the two gears 17 are meshed with the corresponding gear rings 16, so that the gear ring 16 rotates with the rotating ring 12, and the clamped parts are rotated and welded, so as to realize the use process of the entire clamping tooling.

[0039] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0040] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A welding clamping tool for a welding robot, comprising a workbench (1), characterized in that: The upper end surface of the workbench (1) is slidably connected to two symmetrical moving frames (11), the moving frames (11) are rotatably connected to a rotating ring (12), the inner wall of the rotating ring (12) is fixedly connected to two symmetrical electric telescopic columns (13), the opposite ends of the two electric telescopic columns (13) are fixedly connected to clamping blocks (14), and the opposite sides of the two clamping blocks (14) are provided with V-shaped grooves (15); A toothed ring (16) is fixedly connected to the outer wall of the rotating ring (12), a gear (17) is meshed on the outer edge of the toothed ring (16), the gear (17) is rotatably connected to the moving frame (11), a sliding rod (18) is slidably connected between the two gears (17), the sliding rod (18) is slidably connected to the moving frame (11), two symmetrical sliding grooves (19) are arranged on the outer wall of the sliding rod (18), and a gear (17) is fixedly connected to the inner wall of the gear (17). Two symmetrical sliders (20), the sliders (20) are slidably connected to the slide grooves (19), both ends of the sliding rod (18) are rotatably connected to the first fixed blocks (21), the upper end surface of the workbench (1) is fixedly connected to a positioning plate (22), the upper end surface of the positioning plate (22) is fixedly connected to a first forward and reverse motor (23), the output end of the first forward and reverse motor (23) is connected to a rotating shaft (24), and the rotating shaft (24) is fixedly connected to the sliding rod (18).

2. The welding clamping tool for a welding robot according to claim 1, characterized in that: The upper end surface of the workbench (1) is provided with a moving groove (31), one side of the workbench (1) is fixedly connected to a fixing plate (32), the upper end surface of the fixing plate (32) is fixedly connected to a second forward and reverse motor (33), the output end of the second forward and reverse motor (33) is connected to a bidirectional screw rod (34), two symmetrical moving blocks (35) are screwed onto the bidirectional screw rod (34), and the moving blocks (35) are fixedly connected to the moving frame (11).

3. The welding clamping tool for a welding robot according to claim 1, characterized in that: A limiting groove (41) is provided in the movable frame (11), a limiting ring (42) is rotatably connected in the limiting groove (41), and the limiting ring (42) is fixedly connected to the rotating ring (12).

4. The welding clamping tool for a welding robot according to claim 1, characterized in that: A rotation groove (51) is provided on the side of the movable frame (11) that contacts the gear (17). A stabilizing ring (52) is rotatably connected in the rotation groove (51), and the stabilizing ring (52) is fixedly connected to the gear (17).

5. The welding clamping tool for a welding robot according to claim 1, characterized in that: The upper end surface of the workbench (1) is fixedly connected to two symmetrical second fixed blocks (61), a guide rod (62) is fixedly connected between the two second fixed blocks (61), and the guide rod (62) is slidably connected to the movable frame (11).

6. The welding clamping tool for a welding robot according to claim 1, characterized in that: A rubber pad (71) is provided at the V-shaped groove (15), and the rubber pad (71) is fixedly connected to the clamping block (14).

7. The welding clamping tool for a welding robot according to claim 1, characterized in that: Support columns (81) are fixedly connected at the four corners of the lower end surface of the workbench (1).

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