Welding fixture for upper sliding rail assembly on rear side of automobile

By designing adjustable welding fixtures, the problem that existing fixtures cannot adapt to the sliding rail assembly of different bending degrees is solved, achieving efficient welding and cost reduction effects.

CN223185872UActive Publication Date: 2025-08-05JILIN HONGKAI SPECIAL VEHICLE MFG CO LTD
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Patent Information

Application Number
CN202422265793.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-08-05
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

The existing car rear upper slide rail assembly welding fixtures cannot flexibly adapt to different bending degrees or shapes, resulting in frequent replacement or redesign, reducing welding processing efficiency and increasing production costs.

Method used

A welding fixture including a support platform, pillar, a positioning and pressing mechanism and a drive motor is designed. By measuring the length of the slide rail and starting the drive motor, the sliding block and support are moved along the arc line, and the distance of the positioning and pressing mechanism is adjusted to accommodate the slide rail assembly of different bending lengths.

Benefits of technology

It realizes flexible clamping of slide rail assembly of different bending lengths, improves welding processing efficiency, reduces production costs, and improves the adaptability and convenience of fixtures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a welding fixture for an automobile rear side upper slide rail assembly, which comprises a supporting platform, when the automobile rear side upper slide rail assemblies with different bending lengths need to be welded and clamped, the bending length and the linear length of the automobile rear side upper slide rail assembly are measured, the measurement result is recorded, a driving motor is started, and the driving motor is started to drive the automobile rear side upper slide rail assembly to be welded and clamped. According to the positioning and pressing device, rolling wheels are driven to roll in rolling grooves, and finally supporting columns, pressing air cylinders and positioning and pressing mechanisms at the upper ends of sliding grooves are driven to slide, so that the supporting columns, the pressing air cylinders and the positioning and pressing mechanisms move in an arc-shaped line, and the distance between the two positioning and pressing mechanisms on the arc-shaped line is changed; therefore, the purpose that the adjusting device clamps and fixes the automobile rear side upper sliding rail assemblies with different bending lengths is achieved, flexible clamping of the automobile rear side upper sliding rail assemblies with different bending lengths is achieved, the welding machining efficiency is improved, the production cost is reduced, dependence of a traditional clamp on specific shapes or bending lengths is avoided, and the production efficiency is improved. And the adaptability and convenience of the clamp are improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of welding processing of an upper slide rail assembly on the rear side of an automobile, and particularly relates to a welding fixture for the upper slide rail assembly on the rear side of an automobile. Background Art

[0002] The rear upper rail assembly typically secures the pulley at the top of the sliding door, ensuring smooth operation. This component is particularly common on commercial vehicles, such as the Hyundai H-1. The upper rail assembly consists of the upper rail, pulley, and associated mounting and support components. It ensures the smooth operation of the sliding door and, through the upper sealing strip, keeps the upper rail clean and tidy, preventing foreign matter from entering.

[0003] Existing clamping and fixing structures have certain limitations in their application. Specifically, these traditional clamps are often designed to fix rear upper rail assemblies with specific shapes or bend lengths. Therefore, when faced with rail assemblies with different curvatures or shapes, these clamps cannot flexibly adapt, resulting in the need to replace or redesign the clamps to accommodate different processing requirements. This fixed clamping method not only reduces welding process efficiency but also increases production costs and complexity. Therefore, seeking a clamping and fixing structure that can adaptively adjust to the varying bend lengths of rail assemblies has become an important direction for current technological improvements. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a welding fixture for the rear upper slide rail assembly of an automobile, so as to solve the problem that the traditional fixtures proposed in the above background technology are often designed to fix the rear upper slide rail assembly with a specific shape or bending length. Therefore, when faced with slide rail assemblies with different curvatures or shapes, these fixtures cannot adapt flexibly, resulting in the need to replace or redesign the fixtures to adapt to different processing requirements. This fixed clamping method not only reduces the efficiency of the welding process, but also increases the production cost and complexity.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a welding fixture for the upper slide rail assembly on the rear side of an automobile, comprising a support platform, a plurality of pillars vertically arranged on the upper surface of the support platform, a positioning and clamping mechanism and a clamping cylinder respectively provided on the top of each pillar, a pneumatic clamping claw provided on the positioning and clamping mechanism, the pneumatic clamping claw being control-connected to the clamping cylinder, and each of the pneumatic clamping claws being arranged in sequence at the positioning and clamping points surrounding the outer contour of the original product of the upper slide rail assembly on the rear side of the automobile, a horizontally arranged balance beam being provided above the support platform, and the balance beam being passed through and supported in sequence. The balance beam is provided on each of the clamping mechanisms, and is in a smooth arc shape and matches the outer contour of the original slide rail assembly product on the rear side of the automobile. A sliding groove is provided at one end of the upper surface of the support platform, and a sliding rod is fixedly connected to the interior of the sliding groove. A sliding block is slidably connected to the surface of the sliding rod, and a positioning and clamping mechanism and a clamping cylinder are respectively installed on the upper surface of the sliding block through pillars. A rolling groove is provided on one side of the sliding groove, and a driving motor is fixedly connected to the side surface of the sliding block. The output end of the driving motor is transmission-connected to a rolling wheel, and the rolling wheel is rollingly arranged inside the rolling groove.

[0006] Preferably, the positioning and pressing mechanism and the pressing cylinder are detachably connected to the pillar via bolts respectively, and the pneumatic clamping claw is detachably connected to the positioning and pressing mechanism via bolts.

[0007] Preferably, a control panel is installed on the upper end of the support platform, and a surface of the control panel is provided with a plurality of control buttons, and the pressing cylinder is electrically connected to an external power supply via the plurality of control buttons.

[0008] Preferably, the control panel is detachably connected to the support platform via a bracket, and the bottom of the support column is detachably connected to the support platform via bolts.

[0009] Preferably, the upper surface of the support platform is detachably connected to a barrier rod via a mounting plate and bolts, and the barrier rod is arranged on one side of the balance beam.

[0010] Preferably, a plurality of supporting legs are provided at the bottom of the supporting platform, and the plurality of supporting legs are detachably connected to the supporting platform via bolts, and movable wheels are installed at the lower ends of the plurality of supporting legs.

[0011] Preferably, the four corners of the lower surface of the support platform are detachably connected to auxiliary support rods by bolts, the lower ends of the auxiliary support rods are fixedly connected to anti-slip pads, and the lower ends of the side surfaces of the auxiliary support rods are detachably connected to limiting plates by bolts, and screw holes are provided on the surface of the limiting plates.

[0012] Preferably, the sliding groove and the rolling groove are both arc-shaped groove structures.

[0013] Compared with the prior art, the present invention provides a welding fixture for the rear upper slide rail assembly of an automobile, which has the following beneficial effects:

[0014] The utility model is provided with structures such as the sliding groove and the sliding block. When it is needed to weld and clamp the upper slide rail assembly of the rear side of the automobile with different bending lengths, the bending and straight lengths of the upper slide rail assembly of the rear side of the automobile are measured, the measurement results are recorded, and the driving motor is started to drive the rolling wheel to roll inside the rolling groove, thereby causing the sliding block to slide inside the sliding groove, and finally driving the support, the clamping cylinder and the positioning and clamping mechanism at the upper end of the sliding groove to slide, so that they move in an arc line, changing the distance between the two positioning and clamping mechanisms on the arc line, thereby achieving the purpose of the adjustment device to clamp and fix the upper slide rail assembly of the rear side of the automobile with different bending lengths. , it realizes the flexible clamping of the rear upper slide rail assembly of the car with different bending lengths, improves the welding processing efficiency and reduces the production cost. At the same time, it avoids the dependence of traditional fixtures on specific shapes or bending lengths, improves the adaptability and convenience of the fixture, and effectively avoids the traditional fixtures that are often designed to fix the rear upper slide rail assembly with a specific shape or bending length. Therefore, when faced with slide rail assemblies with different curvatures or shapes, these fixtures cannot adapt flexibly, resulting in the need to replace or redesign the fixture to adapt to different processing requirements. This fixed clamping method not only reduces the efficiency of the welding process, but also increases production costs and complexity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 Axonometric drawing proposed for this utility model;

[0017] Figure 2 A three-dimensional schematic diagram of the present invention;

[0018] Figure 3 The utility model proposed Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a three-dimensional schematic diagram from another angle proposed by the present invention;

[0020] Figure 5 The utility model proposed Figure 4 Enlarged view of point B in the middle;

[0021] In the figure: 1. Support platform; 2. Pillar; 3. Clamping cylinder; 4. Positioning and clamping mechanism; 5. Control panel; 6. Bracket; 7. Balance beam; 8. Support leg; 9. Moving wheel; 10. Auxiliary support rod; 11. Anti-slip pad; 12. Limiting plate; 13. Sliding groove; 14. Sliding rod; 15. Sliding block; 16. Driving motor; 17. Rolling wheel; 18. Mounting plate; 19. Baffle rod; 20. Rolling groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-5The utility model provides a technical solution: a welding fixture for the upper slide rail assembly on the rear side of an automobile, comprising a support platform 1, a plurality of pillars 2 are vertically arranged on the upper surface of the support platform 1, a positioning and clamping mechanism 4 and a clamping cylinder 3 are respectively provided on the top of each pillar 2, a pneumatic clamping claw is provided on the positioning and clamping mechanism 4, and the pneumatic clamping claw is controlled and connected with the clamping cylinder 3. Each pneumatic clamping claw is arranged in sequence at the positioning and clamping points around the outer contour of the original product of the upper slide rail assembly on the rear side of the automobile, a horizontally arranged balance beam 7 is provided above the support platform 1, and the balance beam 7 is provided on the top of the support platform 1. The beam 7 is sequentially passed through and mounted on each clamping mechanism. The balance beam 7 is in a smooth arc shape and matches the outer contour of the original slide rail assembly product on the rear side of the car. A sliding groove 13 is provided at one end of the upper surface of the support platform 1. A sliding rod 14 is fixedly connected to the interior of the sliding groove 13. A sliding block 15 is slidably connected to the surface of the sliding rod 14. The upper surface of the sliding block 15 is respectively installed with a positioning and clamping mechanism 4 and a clamping cylinder 3 through the support 2. A rolling groove 20 is provided on one side of the sliding groove 13. The side surface of the sliding block 15 is fixedly connected to the drive motor 16. The output end of the driving motor 16 is connected to a rolling wheel 17, which is arranged to roll inside the rolling groove 20. Through the sliding groove 13 and the sliding block 15 and other structures, when it is necessary to weld and clamp the upper slide rail assembly of the rear side of the car with different bending lengths, the bending and straight lengths of the upper slide rail assembly of the rear side of the car are measured, the measurement results are recorded, and the driving motor 16 is started to drive the rolling wheel 17 to roll inside the rolling groove 20, thereby causing the sliding block 15 to slide inside the sliding groove 13, and finally driving the support 2, the clamping cylinder 3 and the positioning and clamping mechanism 4 at the upper end of the sliding groove 13 to slide, so that they move in an arc line, changing the distance between the two positioning and clamping mechanisms 4 on the arc line, thereby achieving the purpose of the adjusting device to clamp and fix the upper slide rail assembly of the rear side of the car with different bending lengths, realizing flexible clamping of the upper slide rail assembly of the rear side of the car with different bending lengths, improving welding processing efficiency and reducing production costs, and at the same time, avoiding the dependence of traditional clamps on specific shapes or bending lengths, and improving the adaptability and convenience of the clamp.

[0024] In the present invention, preferably, the positioning and clamping mechanism 4 and the clamping cylinder 3 are detachably connected to the pillar 2 by bolts respectively, and the pneumatic claws are detachably connected to the positioning and clamping mechanism 4 by bolts. The detachable connection improves the flexibility of the equipment and makes the equipment easier to disassemble and move.

[0025] In the present invention, preferably, a control panel 5 is installed on the upper end of the support platform 1, and a surface of the control panel 5 is provided with a plurality of control buttons, and the pressing cylinder 3 is electrically connected to the external power supply through the plurality of control buttons.

[0026] In the present invention, preferably, the control panel 5 is detachably connected to the support platform 1 through the bracket 6, and the bottom of the pillar 2 is detachably connected to the support platform 1 through bolts, and electrical control of each clamping cylinder 3 is achieved through the control panel 5.

[0027] In the present invention, preferably, the upper surface of the support platform 1 is detachably connected to a blocking rod 19 via a mounting plate 18 and bolts, and the blocking rod 19 is provided on one side of the balance beam 7 .

[0028] In the present invention, preferably, a plurality of support legs 8 are provided at the bottom of the support platform 1, and the plurality of support legs 8 are detachably connected to the support platform 1 by bolts, and moving wheels 9 are installed at the lower ends of the plurality of support legs 8.

[0029] In the present utility model, preferably, the four corners of the lower surface of the support platform 1 are detachably connected to the auxiliary support rods 10 by bolts, the lower end of the auxiliary support rods 10 is fixedly connected to the anti-slip pad 11, and the lower end of the side surface of the auxiliary support rods 10 is detachably connected to the limiting plate 12 by bolts. The surface of the limiting plate 12 is provided with screw holes, and the limiting plate 12 is connected to the ground structure through the screw holes, so that the equipment can be fixed as a whole to prevent shaking during welding.

[0030] In the present invention, preferably, the sliding groove 13 and the rolling groove 20 are both arc-shaped groove structures.

[0031] The working principle and usage process of the present invention are as follows: When using the present invention's welding fixture for the upper slide rail assembly on the rear side of a car, first measure the curved and straight lengths of the upper slide rail assembly on the rear side of the car, record the measurement results, and start the drive motor 16 to drive the rolling wheel 17 to roll inside the rolling groove 20, causing the sliding block 15 to slide in the sliding groove 13, thereby driving the support 2, the clamping cylinder 3, and the positioning and clamping mechanism 4 to move along an arc line, and adjusting the distance between the two positioning and clamping mechanisms 4 to accommodate slide rail assemblies with different curved lengths. After adjusting the curved length, the clamping cylinder 3 is operated by pressing the buttons on the control panel 5, so that the pneumatic clamping claws tightly clamp the slide rail assembly to ensure that it is stably fixed during the welding process. If the fixture position needs to be adjusted, the detachable support 2, control panel 5, and support legs 8 facilitate quick movement and repositioning of the equipment. Throughout the entire process, the auxiliary support rods 10 and anti-slip pads 11 ensure the stability of the equipment, prevent shaking during welding, and improve welding accuracy and efficiency.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for an upper slide rail assembly on the rear side of an automobile, comprising a support platform (1), characterized in that: A plurality of pillars (2) are vertically arranged on the upper surface of the support platform (1), and a positioning and clamping mechanism (4) and a clamping cylinder (3) are respectively provided on the top of each pillar (2). A pneumatic clamping claw is provided on the positioning and clamping mechanism (4), and the pneumatic clamping claw is controlled and connected with the clamping cylinder (3). The pneumatic clamping claws are arranged in sequence around the positioning and clamping points of the original product of the upper slide rail assembly on the rear side of the automobile. A horizontally arranged balance beam (7) is provided above the support platform (1), and the balance beam (7) is sequentially passed through and mounted on each of the clamping mechanisms. The balance beam (7) is in a smooth arc shape and is aligned with the outer contour of the original product of the upper slide rail assembly on the rear side of the automobile. The support platform (1) has a sliding groove (13) at one end of its upper surface, a sliding rod (14) is fixedly connected to the interior of the sliding groove (13), a sliding block (15) is slidably connected to the surface of the sliding rod (14), a positioning and clamping mechanism (4) and a clamping cylinder (3) are respectively installed on the upper surface of the sliding block (15) through a support (2), a rolling groove (20) is provided on one side of the sliding groove (13), a driving motor (16) is fixedly connected to the side surface of the sliding block (15), and a rolling wheel (17) is transmission-connected to the output end of the driving motor (16), and the rolling wheel (17) is rollingly arranged inside the rolling groove (20).

2. The welding fixture for the rear upper slide rail assembly of an automobile according to claim 1, characterized in that: The positioning and pressing mechanism (4) and the pressing cylinder (3) are detachably connected to the pillar (2) via bolts, respectively, and the pneumatic clamping claw is detachably connected to the positioning and pressing mechanism (4) via bolts.

3. The welding fixture for the rear upper slide rail assembly of an automobile according to claim 1, characterized in that: A control panel (5) is installed on the upper end of the support platform (1), and a surface of the control panel (5) is provided with a plurality of control buttons. The pressing cylinder (3) is electrically connected to an external power supply via the plurality of control buttons.

4. The welding fixture for the rear upper slide rail assembly of an automobile according to claim 3, characterized in that: The control panel (5) is detachably connected to the support platform (1) via a bracket (6), and the bottom of the support column (2) is detachably connected to the support platform (1) via bolts.

5. The welding fixture for the rear upper slide rail assembly of an automobile according to claim 1, characterized in that: The upper surface of the support platform (1) is detachably connected to a blocking rod (19) via a mounting plate (18) and bolts, and the blocking rod (19) is arranged on one side of the balance beam (7).

6. The welding fixture for the rear upper slide rail assembly of an automobile according to claim 1, characterized in that: A plurality of support legs (8) are provided at the bottom of the support platform (1), and the plurality of support legs (8) are detachably connected to the support platform (1) via bolts, and moving wheels (9) are installed at the lower ends of the plurality of support legs (8).

7. The welding fixture for the rear upper slide rail assembly of an automobile according to claim 1, characterized in that: The four corners of the lower surface of the support platform (1) are detachably connected to auxiliary support rods (10) by bolts, the lower ends of the auxiliary support rods (10) are fixedly connected to anti-slip pads (11), and the lower ends of the side surfaces of the auxiliary support rods (10) are detachably connected to limit plates (12) by bolts, and screw holes are provided on the surface of the limit plates (12).

8. The welding fixture for the rear upper slide rail assembly of an automobile according to claim 1, characterized in that: The sliding groove (13) and the rolling groove (20) are both arc-shaped groove structures.