Special-shaped double-end light-weight welding pliers of automobile automatic line spot welding robot

By setting an interception component in the welding clamp and adjusting the welding clamp distance with a motor-driven threaded sleeve, the problems of weld beads slipping and damaging parts due to excessive weld temperature and the fixed welding clamp distance are solved. This achieves efficient welding and flexible adjustment of the welding clamp, improves welding quality and saves costs.

CN223518926UActive Publication Date: 2025-11-07LIUZHOU LIUXIN AUTO STAMPING
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Patent Information

Application Number
CN202422823382.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-11-07
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

The irregularly shaped, double-headed, lightweight welding clamp suffers from excessively high local temperatures at the weld point during welding, causing weld beads to slip off and damage parts. Furthermore, the fixed distance of the welding clamp cannot be adjusted, reducing its practicality.

Method used

An interception assembly consisting of a sliding groove, a compression spring, a sliding block, and a second sleeve was designed to intercept weld beads from slipping off. The welding clamp distance was adjusted by a threaded sleeve driven by a motor, enabling flexible adjustment of the welding clamp distance.

Benefits of technology

It effectively reduces weld beads from slipping and damaging parts, saves materials, and improves the practicality and adaptability of welding clamps.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223518926U_ABST
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Abstract

The utility model relates to the technical field of special-shaped double-end light-weight electrode holders, in particular to a special-shaped double-end light-weight electrode holder of an automobile automatic line spot welding robot, which comprises a base, a mechanical arm, a control box, a connecting box, an electric telescopic rod, a welding head and a positioning welding head, the mechanical arm is arranged at the upper end of the base, and the left end of the mechanical arm is fixedly connected with the control box. The lower end of the control box is fixedly connected with a connecting box, the lower end of the connecting box is provided with an electric telescopic rod, the lower end of the electric telescopic rod is fixedly connected with a welding head, and the lower end of the connecting box is provided with a positioning welding head. When the welding head determines the position of a welding spot for welding, the local temperature is too high, so that metal is melted to generate weld beading which slides downwards, the second sleeve intercepts the periphery of the welding spot, damage to the part caused by the fact that the weld beading slides to other parts of the part is reduced, waste of part materials is reduced, and cost is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of special-shaped double -end lightweight welding tongs, specifically to a special-shaped double -end lightweight welding tongs of automobile automatic line spot welding robot. BACKGROUND

[0002] On the automobile production automatic line, the special-shaped double -end lightweight welding tongs are a kind of tool specially used for welding, can be installed on the automobile automatic line spot welding robot and be used, generally is by two special-shaped clamp head composition, the feature is light in weight, runs fast, high -efficient and energy -conserving, the processing process of automobile parts, special-shaped double -end lightweight welding tongs can be used to reinforce different parts, such as door, interior decoration and engine cover etc.

[0003] The special-shaped double -end lightweight welding tongs of spot welding robot can appear the following problems in the welding use process to automobile, first, because the local temperature of welding spot is too high when the special-shaped double -end lightweight welding tongs is used, the metal melts and appears welding tumor to slide down, and the sliding welding tumor can cause damage to other parts of the part, and then waste material, second, the distance between the double -end welding tongs is fixed when the special-shaped double -end lightweight welding tongs is clamped and welded to automobile parts, cannot be adjusted according to the distance of welding point, and then reduce its practicality, therefore, in view of the above problems, we propose a special-shaped double -end lightweight welding tongs of automobile automatic line spot welding robot. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a special-shaped double -end lightweight welding tongs of automobile automatic line spot welding robot to solve the problems that first, because the local temperature of welding spot is too high when the special-shaped double -end lightweight welding tongs is used, the metal melts and appears welding tumor to slide down, and the sliding welding tumor can cause damage to other parts of the part, and then waste material, second, the distance between the double -end welding tongs is fixed when the special-shaped double -end lightweight welding tongs is clamped and welded to automobile parts, cannot be adjusted according to the distance of welding point, and then reduce its practicality.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of automobile automatic line spot welding robot's special-shaped double-head lightweight welding tongs, including base, mechanical arm, control box, connecting box, electric telescopic rod, welding head and positioning welding head, the base upper end is equipped with mechanical arm, the mechanical arm left end is fixedly connected with control box, the control box lower end is fixedly connected with connecting box, the connecting box lower end is equipped with electric telescopic rod, the electric telescopic rod lower end is fixedly connected with welding head, the connecting box lower end is equipped with positioning welding head, the welding head lower end is fixedly connected with first sleeve, the first sleeve left and right two ends inner wall is equipped with sliding slot, the sliding slot inside is fixedly connected with compression spring, the compression spring lower end is fixedly connected with sliding block, the sliding block inboard is fixedly connected with second sleeve, the connecting box left end is fixedly connected with fixed plate, the fixed plate upper end is fixedly connected with motor, the motor main shaft tip is fixedly connected with connecting shaft, the connecting shaft left end outer side is fixedly connected with positive thread sleeve, the connecting shaft right end outer side is fixedly connected with reverse thread sleeve, the reverse thread sleeve outer side screw connection has connecting block, the connecting block upper end is fixedly connected with limit block, the connecting box upper end inboard is equipped with limit slot.

[0007] Preferably, the base is rectangular in shape, the connecting box is hollow inside, the electric telescopic rod is located at the left end of the positioning welding head, and the electric telescopic rod is fixedly connected with a connecting block at the upper end.

[0008] Preferably, the positioning welding head is fixedly connected with a connecting block at the left end, the first sleeve is hollow inside, the second sleeve is hollow inside, and the second sleeve is located at the inner side of the first sleeve at the upper end.

[0009] Preferably, the positive thread sleeve is screw-connected with a connecting block at the outer side, there are two connecting blocks, there are two electric telescopic rods, and there are two welding heads.

[0010] Preferably, there are two positioning welding heads, two first sleeves, two second sleeves, two limit slots and two limit blocks, and the limit blocks are slidingly connected with the limit slots at the outer side of the upper end.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] In this invention, an interception assembly is formed by setting a first sleeve, a sliding groove, a compression spring, a sliding block, and a second sleeve. When the welding head determines the welding point position for welding, the local temperature is too high, causing the metal to melt and produce weld beads that slide down. The second sleeve intercepts the area around the welding point, reducing the weld beads from sliding down to other parts of the part and causing damage, thereby reducing material waste and saving costs. By setting a connecting box, an electric telescopic rod, a welding head, a positioning welding head, and a first sleeve, the motor is started. The motor drives the forward threaded sleeve and the reverse threaded sleeve to rotate through the connecting shaft. The forward threaded sleeve and the reverse threaded sleeve drive the two welding clamps to move relative to each other through the connecting block, thereby adjusting the distance between the two welding clamps. This allows the device to be effectively adjusted according to the spacing of the welding points, thereby improving the practicality of the welding clamps. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This utility model Figure 1 A schematic diagram of the structure at point A;

[0015] Figure 3 This is a schematic diagram of the left-side sectional view of the connecting box of this utility model;

[0016] Figure 4 This is a schematic diagram of the right side of the connecting block of this utility model;

[0017] Figure 5 This is a schematic diagram of the second sleeve structure of this utility model.

[0018] In the diagram: 1. Base; 2. Robotic arm; 3. Control box; 4. Connecting box; 5. Electric telescopic rod; 6. Welding head; 7. Positioning welding head; 8. First sleeve; 9. Sliding groove; 10. Compression spring; 11. Sliding block; 12. Second sleeve; 13. Fixing plate; 14. Motor; 15. Connecting shaft; 16. Forward threaded sleeve; 17. Reverse threaded sleeve; 18. Connecting block; 19. Limiting block; 20. Limiting groove. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-5 This utility model provides a technical solution:

[0021] The utility model provides a light weight welding tongs of special-shaped double head of automobile automatic line spot welding robot, including base 1, mechanical arm 2, control box 3, connecting box 4, electric telescopic rod 5, welding head 6 and positioning welding head 7, the upper end of base 1 is equipped with mechanical arm 2, and the left end of mechanical arm 2 is fixedly connected with control box 3, and the lower end of control box 3 is fixedly connected with connecting box 4, and the lower end of connecting box 4 is equipped with electric telescopic rod 5, and the lower end of electric telescopic rod 5 is fixedly connected with welding head 6, and the lower end of welding head 6 is fixedly connected with first sleeve 8, and the inner wall of the left and right two ends of first sleeve 8 is equipped with sliding groove 9, and the inside of sliding groove 9 is fixedly connected with compression spring 10, and the lower end of compression spring 10 is fixedly connected with sliding block 11, and the inner side of sliding block 11 is fixedly connected with second sleeve 12, and the left end of connecting box 4 is fixedly connected with fixed plate 13, and the upper end of fixed plate 13 is fixedly connected with motor 14, and the tail end of motor 14 main shaft is fixedly connected with connecting shaft 15, and the left end of connecting shaft 15 is fixedly connected with positive thread sleeve 16 outside, and the right end of connecting shaft 15 is fixedly connected with reverse thread sleeve 17 outside, and the outside of reverse thread sleeve 17 is spirally connected with connecting block 18, and the upper end of connecting block 18 is fixedly connected with limit block 19, and the inside of connecting box 4 upper end is equipped with limit groove 20.

[0022] The base 1 is rectangular in shape, the connecting box 4 is hollow inside, the electric telescopic rod 5 is located at the left end of the positioning welding head 7, the electric telescopic rod 5 is fixedly connected with the connecting block 18 at the upper end, the positioning welding head 7 is fixedly connected with the connecting block 18 at the left end, the first sleeve 8 is hollow inside, the second sleeve 12 is hollow inside, the upper end of the second sleeve 12 is located on the inside of the lower end of the first sleeve 8, the outer side of the forward threaded sleeve 16 is spirally connected with the connecting block 18, the number of the connecting block 18 is two, the number of the electric telescopic rod 5 is two, the number of the welding head 6 is two, the number of the positioning welding head 7 is two, the number of the first sleeve 8 is two, the number of the second sleeve 12 is two, the number of the limiting groove 20 is two, the number of the limiting block 19 is two, the upper end of the limiting block 19 is slidably connected with the limiting groove 20 on the outer side, the upper end of the base 1 is provided with the mechanical arm 2, the left end of the mechanical arm 2 is fixedly connected with the control box 3, the lower end of the control box 3 is fixedly connected with the connecting box 4, which is convenient for setting the connecting box 4, the electric telescopic rod 5, the welding head 6, the positioning welding head 7 and the first sleeve 8, the motor 14 is started, the motor 14 drives the forward threaded sleeve 16 and the reverse threaded sleeve 17 to rotate through the connecting shaft 15, the forward threaded sleeve 16 and the reverse threaded sleeve 17 drive the two welding tongs to relatively move as a whole through the connecting block 18, so as to adjust the distance between the two welding tongs, so that the device can be effectively adjusted according to the distance of the welding points, and the practicability of the welding tongs is improved; the lower end of the connecting box 4 is provided with the electric telescopic rod 5, the lower end of the electric telescopic rod 5 is fixedly connected with the welding head 6, the lower end of the connecting box 4 is provided with the positioning welding head 7, the lower end of the welding head 6 is fixedly connected with the first sleeve 8, which is convenient for setting the first sleeve 8, the sliding groove 9, the compression spring 10, the sliding block 11 and the second sleeve 12 to form an intercepting assembly, when the welding head 6 determines the welding point position for welding, the local temperature is too high to cause the metal to melt and produce welding tumor to slide down, the second sleeve 12 intercepts around the welding point, reduces the welding tumor from sliding to other parts of the part to cause damage to the part, and further reduces the waste of part materials and saves costs; the sliding grooves 9 are formed in the inner walls of the left and right ends of the first sleeve 8, the compression springs 10 are fixedly connected inside the sliding grooves 9, the lower end of the compression spring 10 is fixedly connected with the sliding block 11, the inner side of the sliding block 11 is fixedly connected with the second sleeve 12, the left end of the connecting box 4 is fixedly connected with the fixed plate 13, the upper end of the fixed plate 13 is fixedly connected with the motor 14, the distal end of the main shaft of the motor 14 is fixedly connected with the connecting shaft 15, the left end of the connecting shaft 15 is fixedly connected with the forward threaded sleeve 16 on the outer side, the right end of the connecting shaft 15 is fixedly connected with the reverse threaded sleeve 17 on the outer side, the outer side of the reverse threaded sleeve 17 is spirally connected with the connecting block 18, the upper end of the connecting block 18 is fixedly connected with the limiting block 19, and the upper end of the connecting box 4 is provided with the limiting groove 20 on the inner side.

[0023] Workflow: the device is powered on during use, the base 1 upper end is provided with a mechanical arm 2, the mechanical arm 2 left end is fixedly connected with a control box 3, the control box 3 lower end is fixedly connected with a connecting box 4, the connecting box 4 lower end is provided with an electric telescopic rod 5, the electric telescopic rod 5 lower end is fixedly connected with a welding head 6, the electric telescopic rod 5 upper end is fixedly connected with a connecting block 18, the connecting block 18 right end is fixedly connected with a positioning welding head 7, the electric telescopic rod 5, the welding head 6 and the positioning welding head 7 constitute a welding tongs, when welding is needed, the welding tongs is moved as a whole by the mechanical arm 2, the control box 3 and the connecting box 4, so that the positioning welding head 7 positions the welding point, then the electric telescopic rod 5 is started by the control box 3, the electric telescopic rod 5 drives the welding head 6 to move downward as a whole, the welding head 6 lower end is fixedly connected with a first sleeve 8, the first sleeve 8 left and right two ends inner wall is provided with a sliding groove 9, the sliding groove 9 inside is fixedly connected with a compression spring 10, the second sleeve 12 left and right two ends outside is fixedly connected with a sliding block 11, the sliding block 11 upper end is fixedly connected with a compression spring 10, at this time the second sleeve 12 first contacts around the welding point, the electric telescopic rod 5 drives the welding head 6 to continue to move downward as a whole, the second sleeve 12 extrudes the compression spring 10 upward through the sliding block 11, at this time the compression spring 10 provides a reverse force to the second sleeve 12, so that the second sleeve 12 lower end surface and the welding point around fit, then the welding head 6 welds the welding point, when the local temperature is too high to cause the metal to melt and produce welding tumor to slide down, the second sleeve 12 intercepts around the welding point, reduces the welding tumor to slide to other parts of the part to cause damage to the part, thereby reducing the waste of part material, saving cost, the connecting box 4 left end is fixedly connected with a fixed plate 13, the fixed plate 13 upper end is fixedly connected with a motor 14, the motor 14 main shaft end is fixedly connected with a connecting shaft 15, the connecting shaft 15 left end outside is fixedly connected with a forward threaded sleeve 16, the connecting shaft 15 right end outside is fixedly connected with a reverse threaded sleeve 17, the reverse threaded sleeve 17 outside is spirally connected with a connecting block 18, the forward threaded sleeve 16 outside is spirally connected with a connecting block 18, the connecting block 18 number is two, the connecting block 18 upper end is fixedly connected with a limiting block 19, the limiting block 19 upper end outside is slidably connected with a limiting groove 20, the limiting groove 20 is limited to the connecting block 18 through the limiting block 19, so that the connecting block 18 moves horizontally, when the welding point spacing is different and needs to be adjusted, the motor 14 is started, the motor 14 drives the forward threaded sleeve 16 and the reverse threaded sleeve 17 to rotate through the connecting shaft 15, the forward threaded sleeve 16 and the reverse threaded sleeve 17 drive two welding tongs to move relatively as a whole through the connecting block 18, so as to adjust the distance between the two welding tongs, so that the device can effectively adjust according to the spacing of the welding point, thereby improving the practicability of the welding tongs.

[0024] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A special-shaped double-head lightweight welding tongs of an automobile automatic line spot welding robot, comprising a base (1), a mechanical arm (2), a control box (3), a connecting box (4), an electric telescopic rod (5), a welding head (6) and a positioning welding head (7), characterized in that: The base (1) upper end is equipped with mechanical arm (2), the mechanical arm (2) left end is fixedly connected with control box (3), the control box (3) lower end is fixedly connected with connecting box (4), the connecting box (4) lower end is equipped with electric telescopic rod (5), the electric telescopic rod (5) lower end is fixedly connected with welding head (6), the connecting box (4) lower end is equipped with positioning welding head (7), the welding head (6) lower end is fixedly connected with first sleeve (8), the first sleeve (8) left and right two ends inner wall is equipped with sliding slot (9), the sliding slot (9) is fixedly connected with compression spring (10) inside, the compression spring (10) lower end is fixedly connected with sliding block (11), the sliding block (11) inner side is fixedly connected with second sleeve (12), the connecting box (4) left end is fixedly connected with fixed plate (13), the fixed plate (13) upper end is fixedly connected with motor (14), the motor (14) main shaft tip is fixedly connected with connecting shaft (15), the connecting shaft (15) left end outer side is fixedly connected with forward threaded sleeve (16), the connecting shaft (15) right end outer side is fixedly connected with reverse threaded sleeve (17), the reverse threaded sleeve (17) outer side is spirally connected with connecting block (18), the connecting block (18) upper end is fixedly connected with limit block (19), the connecting box (4) upper end inner side is equipped with limit slot (20).

2. The special-shaped double-head lightweight welding tongs of the automotive automatic line spot welding robot according to claim 1, characterized in that: The base (1) is rectangular in shape, the connecting box (4) is hollow inside, the electric telescopic rod (5) is located at the left end of the positioning welding head (7), and the electric telescopic rod (5) is fixedly connected with the connecting block (18) at the upper end.

3. The special-shaped double-head lightweight welding tongs of the automotive automatic line spot welding robot according to claim 1, characterized in that: The positioning welding head (7) is fixedly connected with the connecting block (18) at the left end, the first sleeve (8) is hollow inside, the second sleeve (12) is hollow inside, and the second sleeve (12) is located at the lower end of the first sleeve (8) outside.

4. The special-shaped double-head lightweight welding tongs of the automotive automatic line spot welding robot according to claim 1, characterized in that: The forward threaded sleeve (16) is spirally connected with the connecting block (18) outside, the number of the connecting block (18) is two, the number of the electric telescopic rod (5) is two, and the number of the welding head (6) is two.

5. The special-shaped double-head lightweight welding tongs of the automotive automatic line spot welding robot according to claim 1, characterized in that: The number of the positioning welding head (7) is two, the number of the first sleeve (8) is two, the number of the second sleeve (12) is two, the number of the limit slot (20) is two, the number of the limit block (19) is two, and the limit block (19) is slidably connected with the limit slot (20) outside.