Spot welding clamp for automobile parts

By designing a detachable clamping structure, the problem of fixed installation of existing clamping blocks is solved, enabling convenient replacement of clamping blocks and adaptability to clamping parts of different shapes, thus improving the applicability of the clamp.

CN223748888UActive Publication Date: 2026-01-02HUBEI HONGYALI AUTOMOBILE EQUIP CO LTD
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Patent Information

Application Number
CN202520176826.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-30
Publication Date
2026-01-02
Estimated Expiration
2035-01-30

AI Technical Summary

Technical Problem

The existing spot welding fixtures have fixed clamping blocks that are not easy to disassemble, making them difficult to adapt to parts of different shapes and affecting their performance.

Method used

A clamping structure including a mounting base, a slide, a threaded rod, a transmission component, and a servo motor was designed. The clamping blocks can be easily disassembled and replaced through the cooperation of the knob and the threaded rod.

Benefits of technology

It enables convenient disassembly and replacement of clamping blocks, improves the applicability of the clamp to parts of different shapes, and makes it easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of clamps, and discloses a spot welding clamp for automobile parts, which comprises a mounting seat, supporting legs are arranged at the front and rear ends of the left and right sides of the bottom of the mounting seat, a sliding chute is arranged at the top of the mounting seat, and a first threaded rod is arranged between the left and right sides of the inner wall of the sliding chute; threaded sleeves are arranged at the left and right ends of the outer side of the first threaded rod. According to the spot welding clamp for the automobile parts, the two limiting blocks are moved out of the interiors of the two limiting grooves respectively by screwing the two rotary knobs, so that position limitation on the two sliding blocks is relieved, then the two positioning blocks are moved out of the interiors of the two positioning grooves respectively by pulling the two pull rings, and the two positioning blocks are moved out of the interiors of the two positioning grooves. According to the clamping device, the two clamping blocks can be detached by rotating the two clamping blocks, so that the two mounting blocks are released from the interiors of the two mounting grooves, and the two clamping blocks are detached, so that the clamping blocks in different shapes can be replaced conveniently, and parts in different shapes can be clamped and fixed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, specifically relates to a spot welding fixture for automobile parts. BACKGROUND

[0002] In the production and processing of automobile parts, often need to use the fixture to clamp, in order to carry out spot welding operation.

[0003] The inventor finds in the process of realizing the utility model that:

[0004] The existing spot welding fixture is inconvenient to disassemble in the actual use process, the clamping block on the fixture is fixedly installed, the clamping block is inconvenient to replace, so as to adapt to different shapes of parts, thereby being not conducive to use, and therefore the spot welding fixture for automobile parts is provided. SUMMARY

[0005] In order to solve the problems in the prior art, the utility model provides a spot welding fixture for automobile parts, which has the advantages of convenient disassembly of the clamping block.

[0006] The utility model discloses a kind of spot welding jigs for automobile parts, including mounting seat, the bottom left and right sides of mounting seat are provided with support feet, the top of mounting seat is provided with sliding slot, the inner wall left and right sides of sliding slot are provided with first threaded rod, the left and right ends of the outside of first threaded rod are provided with threaded sleeve, the inside left and right sides of sliding slot are provided with moving block, one end is respectively fixedly connected with the outside of two threaded sleeves and the other end extends to the top of mounting seat, the opposite side of two moving blocks is provided with the installation groove located above mounting seat, the inside of two installation grooves is provided with installation block, one end extends to the opposite side of two moving blocks, the opposite side of two installation blocks is provided with clamping block, the opposite side of two clamping blocks is provided with rubber pad, the bottom of mounting seat is provided with shell, the inner bottom wall of sliding slot is provided with transmission assembly, one end is fixedly connected with the outside of first threaded rod and the other end extends to the inside of shell and is movably connected with the inner bottom wall of shell, the outside of transmission assembly is provided with drive assembly, one end is movably connected with the left side of shell inner wall and the other end is fixedly connected with the bottom of mounting seat, the right side of mounting seat is provided with controller, the inside of two moving blocks is provided with installation cavity, one end is respectively located above two installation grooves, the inside of two installation cavities is provided with sliding block, the top of two installation blocks is provided with positioning slot, the bottom of two sliding blocks is provided with positioning block, one end extends to the inside of two positioning slots respectively, the top of two moving blocks is provided with connecting rod, one end extends to the inside of two installation cavities respectively and is fixedly connected with the top of two sliding blocks respectively, the top of two sliding blocks is provided with positioning spring, one end is respectively movably connected with the inner top wall of two installation cavities and is located outside two connecting rods respectively, the top of two connecting rods is provided with pull ring, the opposite side of two moving blocks is provided with rectangular block, one end extends to the inside of two limiting grooves respectively, the opposite side of two rectangular blocks is provided with rectangular slot, the inside of two rectangular slots is provided with traction block, the opposite side of two sliding blocks is provided with limiting slot, the opposite side of two traction blocks is provided with limiting block, one end extends to the inside of two rectangular slots respectively and is movably connected with the opposite side of two traction blocks respectively, the opposite side of two second threaded rods is provided with knob.

[0007] Preferably, the transmission assembly includes a transmission shaft, the inner bottom wall of the sliding slot movably installs the transmission shaft between the two moving blocks, one end extends to the inside of the shell and is movably connected with the inner bottom wall of the shell, the top of the transmission shaft is fixedly installed with a driving bevel gear, the outside of the first threaded rod is fixedly installed with a driven bevel gear between the two threaded sleeves, one end is engaged with the driving bevel gear.

[0008] As preferred, the driving assembly comprises a servo motor, the bottom of the mounting base is fixedly provided with the servo motor inside the shell and on the right side of the transmission shaft, the output shaft of the servo motor is fixedly provided with the worm inside the shell and on the rear side of the transmission shaft and movably connected with the left side of the inner wall of the shell at one end, and the outer side of the transmission shaft is fixedly provided with the worm gear inside the shell and meshed with the worm at one end.

[0009] As preferred, the inner wall of the chute is fixedly provided with the first bearing on the left and right sides, the first threaded rod is rotatably connected with the inner wall of the chute through the first bearing, and the outer side of the first threaded rod is provided with two threads with equal length and opposite directions.

[0010] As preferred, the inner bottom wall of the chute is communicated with the mounting hole provided on the mounting base and matched with the transmission shaft, and the inner bottom wall of the shell is fixedly provided with the second bearing, and the transmission shaft is rotatably connected with the inner bottom wall of the shell through the second bearing.

[0011] As preferred, the inner wall of the shell is fixedly provided with the third bearing on the left side, and the worm is rotatably connected with the left side of the inner wall of the shell through the third bearing.

[0012] Advantageous effects: compared with the prior art, the two knobs are twisted to drive the two second threaded rods to rotate, so as to drive the two traction blocks and the two limiting blocks to move away from each other, so that the two limiting blocks are moved out of the two limiting grooves, thereby releasing the position limitation of the two sliding blocks, at this time, the two pull rings can be pulled to drive the two sliding blocks and the two positioning blocks to move upwards, so that the two positioning blocks are moved out of the two positioning grooves, thereby releasing the fixing of the two mounting blocks, at this time, the two mounting blocks can be pulled out of the two mounting grooves, so as to disassemble the two clamping blocks, finally, the purpose of conveniently disassembling the clamping blocks is achieved, and the replacement of clamping blocks of different shapes is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the structural diagram of the utility model.

[0014] Figure 2 is the partial top view of the utility model.

[0015] Figure 3 is Figure 1 is the partial structure diagram of the left side mounting block and the left side moving block connection.

[0016] As shown in the figure: 1, mounting seat; 2, support foot; 3, sliding groove; 4, first threaded rod; 5, threaded sleeve; 6, moving block; 7, mounting groove; 8, mounting block; 9, clamp block; 10, rubber pad; 11, shell; 12, transmission assembly; 121, transmission shaft; 122, driving bevel gear; 123, driven bevel gear; 13, drive assembly; 131, servo motor; 132, worm; 133, worm gear; 14, controller; 15, mounting cavity; 16, sliding block; 17, positioning groove; 18, positioning block; 19, connecting rod; 20, positioning spring; 21, pull ring; 22, rectangular block; 23, rectangular groove; 24, traction block; 25, limiting groove; 26, limiting block; 27, second threaded rod; 28, knob. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be described clearly and completely in connection with the drawings below, but the embodiment should not be understood as limiting the utility model.

[0018] The utility model discloses a Figures 1 to 3 As shown in the figure:

[0019] A spot welding fixture for automobile parts, comprising a mounting seat 1, support feet 2 are fixedly installed at the front and rear ends of the left and right sides of the bottom of the mounting seat 1, a sliding groove 3 is formed in the top of the mounting seat 1, first threaded rods 4 are movably installed between the inner walls of the left and right sides of the sliding groove 3, first bearings are fixedly installed on the inner walls of the left and right sides of the sliding groove 3, the first threaded rods 4 are rotatably connected with the inner walls of the sliding groove 3 through the first bearings, the outer side of the first threaded rods 4 is provided with two threads of equal length and opposite directions, threaded sleeves 5 are threadedly connected to the left and right ends of the outer side of the first threaded rods 4, moving blocks 6 movably installed in the inside of the left and right sides of the sliding groove 3 are fixedly connected to the outer sides of the two threaded sleeves 5 at one end and extend to the top of the mounting seat 1 at the other end, mounting grooves 7 are formed in the upper sides of the mounting seat 1 on the opposite sides of the two moving blocks 6, mounting blocks 8 movably installed in the inside of the two mounting grooves 7 extend to the opposite sides of the two moving blocks 6 at one end, the opposite sides of the two mounting blocks 8 are fitted with the inner walls of the opposite sides of the two mounting grooves 7, clamp blocks 9 are fixedly installed on the opposite sides of the two mounting blocks 8, rubber pads 10 are fixedly installed on the opposite sides of the two clamp blocks 9.

[0020] The bottom of the mounting base 1 is fixedly installed with a shell 11, the top of the shell 11 is designed as an opening, the inner bottom wall of the sliding groove 3 is movably installed with a transmission assembly 12 which is fixedly connected with the outer side of the first threaded rod 4 at one end and extends into the shell 11 and is movably connected with the inner bottom wall of the shell 11 at the other end, the transmission assembly 12 comprises a transmission shaft 121, the inner bottom wall of the sliding groove 3 is movably installed with the transmission shaft 121 which is located between the two moving blocks 6 and extends into the shell 11 at one end and is movably connected with the inner bottom wall of the shell 11 at the other end, the inner bottom wall of the sliding groove 3 is in communication with a mounting hole which is arranged on the mounting base 1 and is matched with the transmission shaft 121, the inner bottom wall of the shell 11 is fixedly installed with a second bearing, the transmission shaft 121 is rotatably connected with the inner bottom wall of the shell 11 through the second bearing, the top of the transmission shaft 121 is fixedly installed with a driving bevel gear 122, the outer side of the first threaded rod 4 is fixedly installed with a driven bevel gear 123 which is located between the two threaded sleeves 5 and is engaged with the driving bevel gear 122 at one end.

[0021] The outer side of the transmission assembly 12 is fixedly installed with a driving assembly 13 which is movably connected with the inner wall left side of the shell 11 at one end and is fixedly connected with the bottom of the mounting base 1 at the other end, the driving assembly 13 comprises a servo motor 131, the bottom of the mounting base 1 is fixedly installed with the servo motor 131 which is located inside the shell 11 and is located at the right side of the transmission shaft 121, the model of the servo motor 131 can be YB2-315S-6-70, the output shaft of the servo motor 131 is fixedly installed with a worm 132 which is located at the rear side of the transmission shaft 121 and is movably connected with the inner wall left side of the shell 11 at one end, the inner wall left side of the shell 11 is fixedly installed with a third bearing, the worm 132 is rotatably connected with the inner wall left side of the shell 11 through the third bearing, the outer side of the transmission shaft 121 is fixedly installed with a worm gear 133 which is located inside the shell 11 and is engaged with the worm 132 at one end, the right side of the mounting base 1 is fixedly installed with a controller 14, wherein the servo motor 131 is electrically connected with the controller 14 and 220V mains.

[0022] The inside of the two moving blocks 6 is respectively arranged with an installation cavity 15 which is located above the two installation grooves 7, the inside of the two installation cavities 15 is movably installed with a sliding block 16, the bottom of the two sliding blocks 16 is respectively matched with the inner bottom wall of the two installation cavities 15, the top of the two installation blocks 8 is respectively arranged with a positioning groove 17, the bottom of the two sliding blocks 16 is fixedly installed with a positioning block 18 which respectively extends into the two positioning grooves 17 at one end, the top of the two moving blocks 6 is movably installed with a connecting rod 19 which respectively extends into the two installation cavities 15 at one end and is respectively fixedly connected with the top of the two sliding blocks 16, the top of the two sliding blocks 16 is fixedly installed with a positioning spring 20 which is respectively located at the outer side of the two connecting rods 19 and is respectively fixedly connected with the inner top wall of the two installation cavities 15 at one end, the top of the two connecting rods 19 is fixedly installed with a pull ring 21.

[0023] The opposite sides of the two moving blocks 6 are fixedly installed with rectangular blocks 22 above the mounting seat 1, the opposite sides of the two rectangular blocks 22 are provided with rectangular grooves 23, the interiors of the two rectangular grooves 23 are movably installed with traction blocks 24, the opposite sides of the two sliding blocks 16 are provided with limiting grooves 25, the opposite sides of the two traction blocks 24 are fixedly installed with limiting blocks 26, one end of each of the two limiting blocks 26 extends into the interior of the two limiting grooves 25, the opposite sides of the two rectangular blocks 22 are threadedly connected with second threaded rods 27, one end of each of the two second threaded rods 27 extends into the interior of the two rectangular grooves 23 and is movably connected with the opposite sides of the two traction blocks 24, the opposite sides of the two rectangular blocks 22 are provided with threaded holes matched with the two second threaded rods 27, the opposite sides of the two traction blocks 24 are fixedly installed with fourth bearings, the second threaded rods 27 are rotatably connected with the traction blocks 24 through the fourth bearings, and the opposite sides of the two second threaded rods 27 are fixedly installed with knobs 28.

[0024] The working principle of the utility model is as follows:

[0025] In use, the automobile parts are placed between the two clamping blocks 9, then the controller 14 is started to drive the servo motor 131 to rotate the worm 132, and then the worm gear 133 is driven to rotate the transmission shaft 121 and the driving bevel gear 122, the driven bevel gear 123 drives the first threaded rod 4 to rotate, and the first threaded rod 4 drives the two moving blocks 6 and the two clamping blocks 9 to move relatively in the process of rotation, so as to clamp and fix the automobile parts, and then the automobile parts can be spot welded and worked.

[0026] When different shapes of automobile parts need to be fixed, the two knobs 28 are twisted to drive the two second threaded rods 27 to rotate, so as to drive the two traction blocks 24 and the two limiting blocks 26 to move away from each other, so that the two limiting blocks 26 move out of the interiors of the two limiting grooves 25, thereby releasing the position limitation of the two sliding blocks 16, at this time, the two pull rings 21 are pulled to drive the two sliding blocks 16 and the two positioning blocks 18 to move upwards, so that the two positioning blocks 18 move out of the interiors of the two positioning grooves 17, thereby releasing the fixation of the two mounting blocks 8, at this time, the two mounting blocks 8 are pulled out of the interiors of the two mounting grooves 7, so as to disassemble the two clamping blocks 9, thereby facilitating the replacement of clamping blocks of different shapes, so that the clamping and fixing operation of automobile parts of different shapes can be carried out, thereby improving the applicability of the clamp and facilitating the use of the user.

[0027] The parts not described in detail in the specification are known in the art.

[0028] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A spot welding fixture for automobile parts, comprising a mounting seat (1), both ends of the left and right sides of the bottom of the mounting seat (1) are provided with supporting feet (2), the top of the mounting seat (1) is provided with a sliding groove (3), the inner wall between the left and right sides of the sliding groove (3) is provided with a first threaded rod (4), the left and right ends of the outer side of the first threaded rod (4) are provided with threaded sleeves (5), the left and right sides of the inside of the sliding groove (3) are provided with moving blocks (6) with one end fixedly connected to the outer sides of the two threaded sleeves (5) and the other end extending to the top of the mounting seat (1), the opposite sides of the two moving blocks (6) are provided with mounting grooves (7) above the mounting seat (1), the inside of the two mounting grooves (7) are provided with mounting blocks (8) with one end extending to the opposite sides of the two moving blocks (6), the opposite sides of the two mounting blocks (8) are provided with clamping blocks (9), the opposite sides of the two clamping blocks (9) are provided with rubber pads (10), the bottom of the mounting seat (1) is provided with a shell (11), the inner bottom wall of the sliding groove (3) is provided with a transmission assembly (12) with one end fixedly connected to the outer side of the first threaded rod (4) and the other end extending to the inside of the shell (11) and movably connected to the inner bottom wall of the shell (11), the outer side of the transmission assembly (12) is provided with a drive assembly (13) with one end movably connected to the left inner wall of the shell (11) and the other end fixedly connected to the bottom of the mounting seat (1), the right side of the mounting seat (1) is provided with a controller (14), characterized in that: the inside of the two moving blocks (6) is provided with mounting cavities (15) above the two mounting grooves (7), the inside of the two mounting cavities (15) is provided with sliding blocks (16), the top of the two mounting blocks (8) is provided with positioning grooves (17), the bottom of the two sliding blocks (16) is provided with positioning blocks (18) with one end extending to the inside of the two positioning grooves (17) respectively, the top of the two moving blocks (6) is provided with connecting rods (19) with one end extending to the inside of the two mounting cavities (15) respectively and fixedly connected to the top of the two sliding blocks (16) respectively, the top of the two sliding blocks (16) is provided with positioning springs (20) above the outer sides of the two connecting rods (19) with one end fixedly connected to the inner top wall of the two mounting cavities (15) respectively, the top of the two connecting rods (19) is provided with pull rings (21), the opposite sides of the two moving blocks (6) are provided with rectangular blocks (22) above the mounting seat (1), the opposite sides of the two rectangular blocks (22) are provided with rectangular grooves (23), the inside of the two rectangular grooves (23) is provided with traction blocks (24), the opposite sides of the two sliding blocks (16) are provided with limiting grooves (25), the opposite sides of the two traction blocks (24) are provided with limiting blocks (26) with one end extending to the inside of the two limiting grooves (25) respectively, the opposite sides of the two rectangular blocks (22) are provided with second threaded rods (27) with one end extending to the inside of the two rectangular grooves (23) respectively and movably connected to the opposite sides of the two traction blocks (24) respectively, the opposite sides of the two second threaded rods (27) are provided with knobs (28).

2. The spot welding jig for an automobile part according to claim 1, characterized by: The transmission assembly (12) comprises a transmission shaft (121), the inner bottom wall of the sliding groove (3) movably installs the transmission shaft (121) between the two moving blocks (6) and one end extends to the inside of the shell (11) and movably connects with the inner bottom wall of the shell (11), the top of the transmission shaft (121) fixedly installs the driving bevel gear (122), the outer side of the first threaded rod (4) fixedly installs the driven bevel gear (123) between the two threaded sleeves (5) and one end engages with the driving bevel gear (122).

3. The spot welding jig for an automobile part according to claim 2, characterized in that: The driving assembly (13) comprises a servo motor (131), the bottom of the mounting seat (1) fixedly installs the servo motor (131) inside the shell (11) and on the right side of the transmission shaft (121), the output shaft of the servo motor (131) fixedly installs the worm (132) on the rear side of the transmission shaft (121) and one end movably connects with the left side of the inner wall of the shell (11), the outer side of the transmission shaft (121) fixedly installs the worm gear (133) inside the shell (11) and one end engages with the worm (132).

4. The spot welding jig for an automobile part according to claim 1 or 2 or 3, characterized in that: The inner wall of the sliding groove (3) is fixedly installed with the first bearing on the left and right sides, the first threaded rod (4) is rotatably connected with the inner wall of the sliding groove (3) through the first bearing, and the outer side of the first threaded rod (4) is provided with two threads with equal length and opposite directions.

5. The spot welding jig for an automobile part according to claim 2, characterized in that: The inner bottom wall of the sliding groove (3) is communicated with the mounting hole formed on the mounting seat (1) and matched with the transmission shaft (121), the inner bottom wall of the shell (11) is fixedly installed with the second bearing, and the transmission shaft (121) is rotatably connected with the inner bottom wall of the shell (11) through the second bearing.

6. The spot welding jig for an automobile part according to claim 3, characterized in that: The inner wall left side of the shell (11) is fixedly installed with the third bearing, and the worm (132) is rotatably connected with the inner wall left side of the shell (11) through the third bearing.