Quick-changing device for laser welding clamp of automobile seat framework

Abstract

The utility model discloses a quick-changing device for a laser welding clamp of an automobile seat framework, and belongs to the technical field of automobile laser welding clamps. The sliding hole is formed in the workbench; according to the laser welding fixture, when the servo motor rotates reversely, the two nuts move towards the outer side at the same time, the sliding seat is driven to move towards the outer side through the movement of the nuts, the laser welding fixture base is arranged on the working table, and the laser welding fixture base is arranged on the working table. According to the laser welding fixture base, the sliding seat moves to drive the transverse plate to move towards the outer side, the transverse plate moves to drive the clamping blocks to move towards the outer side, the laser welding fixture base can be detached and replaced after the clamping blocks are separated from the clamping grooves, the laser welding fixture base is installed in a clamping mode, and the replacement convenience of the laser welding fixture base is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile laser welding fixtures, and more specifically, to a quick-changing device for laser welding fixtures of an automobile seat frame. Background Art

[0002] The automotive industry has increasingly higher requirements for equipment utilization and labor costs are also increasing. In order to improve equipment utilization and reduce labor costs, it is necessary to develop a fixture changing device that can not only ensure output quality but also improve production efficiency.

[0003] Some patent documents for laser welding fixture quick-changing devices are disclosed in the prior art. The Chinese patent with application number CN202021843463.1 discloses a laser welding fixture quick-changing device for a car seat frame, which belongs to the field of welding. It includes a base, a laser welding fixture, a first fixture connecting plate and a second fixture connecting plate. The base includes a main board and a first fixed plate and a second fixed plate. The first fixed plate and the second fixed plate are fixed on the main board. A conical locating pin is provided on the second fixed plate. The first fixture connecting plate is connected to the first fixed plate. A conical locating pin seat is provided on the second fixture connecting plate. Two positioning adjustment blocks are provided on the side of the second fixture connecting plate, and positioning pin holes are provided on them. The laser welding fixture is connected to the fixture connecting plate. Positioning pin holes are provided on the two positioning adjustment blocks and the laser welding fixture positioning plate. The use of conical surface matching positioning improves the clamping speed and accuracy. Since two positioning adjustment blocks are provided on the side of the fixture connecting plate and positioning pin holes are provided on the two positioning adjustment blocks, the positioning accuracy of the laser welding fixture and the fixture quick-changing plate is improved.

[0004] In the above patent, the base of the laser welding fixture is fixed by bolts, which is not convenient for fixing and is not convenient for quick replacement of the laser welding fixture. Therefore, we propose a quick-changing device for the laser welding fixture of the automobile seat frame. Utility Model Content

[0005] Technical problems to be solved

[0006] In response to the problems existing in the prior art, the purpose of the present invention is to provide a quick-changing device for the laser welding fixture of an automobile seat frame. When the servo motor of the present invention reverses, the two nuts move outward at the same time, and the movement of the nuts drives the slide to move outward, and the movement of the slide drives the cross plate to move outward, and the movement of the cross plate drives the clamping block to move outward. When the clamping block is disengaged from the clamping slot, the laser welding fixture base can be disassembled and replaced, and the laser welding fixture base is installed by clamping, which optimizes the convenience of replacing the laser welding fixture base.

[0007] Technical Solution

[0008] In order to solve the above problems, the present invention adopts the following technical solutions:

[0009] A quick-change device for laser welding fixtures of an automobile seat frame, comprising:

[0010] Workbench;

[0011] A sliding hole, wherein the sliding hole is provided on the workbench;

[0012] A laser welding fixture base is provided on a workbench, and two slots are provided on both sides of the laser welding fixture base;

[0013] The mounting mechanism is arranged on a workbench and is connected to the four card slots.

[0014] As a preferred solution of the present invention, the installation mechanism includes a moving component and two groups of clamping components, the moving component and the two groups of clamping components are both arranged on a workbench, and the moving component and the two groups of clamping components are connected.

[0015] As a preferred solution of the present invention, the moving assembly includes a support plate, a bidirectional screw rod, a servo motor and a nut. The support plate and the nut are both provided in two pieces. The two support plates are fixedly connected to the bottom of the workbench. The bidirectional screw rod is rotatably connected between the two support plates. The servo motor is installed at the side end of the support plate, and the output end of the servo motor movably passes through the support plate. The output end of the servo motor is fixedly connected to the bidirectional screw rod, and the two nuts are threadedly connected to the surface of the bidirectional screw rod.

[0016] As a preferred solution of the present invention, each group of the clamping components includes a slide, a cross plate and a clamping block. The slide is slidably connected in the slide hole and fixedly connected to the surface of the nut. The cross plate is fixedly connected to the slide. The clamping blocks are set in two, and the two clamping blocks are fixedly connected to the side ends of the cross plate, and the two clamping blocks are movably inserted in the two card slots.

[0017] As a preferred solution of the present invention, an isolation ring is fixedly connected to the middle portion of the bidirectional screw rod.

[0018] As a preferred solution of the present invention, handles are fixedly connected to the left and right sides of the workbench.

[0019] As a preferred solution of the present invention, support legs are fixedly connected to the four corners of the bottom of the workbench.

[0020] Beneficial effects

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] (1) In this solution, when the laser welding fixture base needs to be replaced, the output end of the servo motor is started to rotate, and the rotation of the output end of the servo motor drives the bidirectional screw to rotate. The rotation of the bidirectional screw causes the two nuts to move inward or outward on the surface of the bidirectional screw at the same time. When the servo motor is reversed, the two nuts move outward at the same time, and the movement of the nuts drives the slide to move outward, and the movement of the slide drives the cross plate to move outward, and the movement of the cross plate drives the card block to move outward. When the card block is detached from the card slot, the laser welding fixture base can be disassembled and replaced.

[0023] (2) In this solution, the isolation ring is used to separate the two nuts, the handle is used to lift the workbench, and the support legs are used to support the workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a main perspective view of the present utility model;

[0025] Figure 2 This is a bottom-up perspective view of the present invention;

[0026] Figure 3 It is an overall exploded view of the utility model;

[0027] Figure 4 This is an exploded view of the installation mechanism of the present utility model.

[0028] Description of the numbers in the figure:

[0029] 1. Workbench; 2. Support legs; 3. Handle; 4. Slide hole; 5. Laser welding fixture base; 6. Card slot; 7. Support plate; 8. Bidirectional screw; 9. Servo motor; 10. Nut; 11. Slide; 12. Cross plate; 13. Card block; 14. Isolation ring. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0031] Example:

[0032] See also Figures 1-4 , a quick-change device for laser welding fixtures of an automobile seat frame, comprising:

[0033] Workbench 1;

[0034] Slide hole 4, slide hole 4 is opened on the workbench 1;

[0035] A laser welding fixture base 5 is provided on the workbench 1 , and two slots 6 are provided on both the left and right sides of the laser welding fixture base 5 ;

[0036] The mounting mechanism is arranged on the workbench 1 and is connected to the four card slots 6 .

[0037] In this embodiment, the sliding hole 4 is opened to facilitate sliding cooperation with the slide 11, and the laser welding fixture base 5 is opened to facilitate the opening of the card slot 6, and at the same time facilitate the installation of the laser welding fixture. The installation mechanism facilitates the installation and fixing of the laser welding fixture base 5. In this utility model, when the servo motor 9 reverses, the two nuts 10 move outward at the same time, and the movement of the nut 10 drives the slide 11 to move outward, and the movement of the slide 11 drives the cross plate 12 to move outward, and the movement of the cross plate 12 drives the card block 13 to move outward. When the card block 13 is disengaged from the card slot 6, the laser welding fixture base 5 can be disassembled and replaced. The laser welding fixture base 5 is installed by card connection, which optimizes the convenience of replacing the laser welding fixture base 5.

[0038] Specifically, the installation mechanism includes a moving assembly and two groups of clamping assemblies. The moving assembly and the two groups of clamping assemblies are both arranged on the workbench 1, and the moving assembly and the two groups of clamping assemblies are connected.

[0039] In this embodiment, the installation mechanism includes a moving component and two groups of clamping components. The moving component and the two groups of clamping components are both arranged on the workbench 1, and the moving component and the two groups of clamping components are connected.

[0040] Specifically, the moving component includes a support plate 7, a bidirectional screw rod 8, a servo motor 9 and a nut 10. The support plate 7 and the nut 10 are both set as two. The two support plates 7 are fixedly connected to the bottom of the workbench 1. The bidirectional screw rod 8 is rotatably connected between the two support plates 7. The servo motor 9 is installed on the side end of the support plate 7, and the output end of the servo motor 9 moves through the support plate 7. The output end of the servo motor 9 is fixedly connected to the bidirectional screw rod 8, and the two nuts 10 are threadedly connected to the surface of the bidirectional screw rod 8.

[0041] In this embodiment, the support plate 7 is connected to the bidirectional screw rod 8 for facilitating rotation. The output end of the servo motor 9 is started to rotate, and the bidirectional screw rod 8 is driven to rotate by the rotation of the output end of the servo motor 9. The rotation of the bidirectional screw rod 8 causes the two nuts 10 to move inward or outward on the surface of the bidirectional screw rod 8 at the same time. When the servo motor 9 is reversed, the two nuts 10 move outward at the same time, and the movement of the nut 10 drives the slide 11 to move outward.

[0042] Specifically, each set of card-connecting components includes a slide 11, a cross plate 12 and a card block 13. The slide 11 is slidably connected to the slide hole 4, and the slide 11 is fixedly connected to the surface of the nut 10. The cross plate 12 is fixedly connected to the slide 11. The card block 13 is set as two, and the two card blocks 13 are fixedly connected to the side ends of the cross plate 12, and the two card blocks 13 are movably inserted into the two card slots 6.

[0043] In this embodiment, when the servo motor 9 reverses, the two nuts 10 move outward at the same time, and the movement of the nuts 10 drives the slide 11 to move outward, and the movement of the slide 11 drives the cross plate 12 to move outward, and the movement of the cross plate 12 drives the clamping block 13 to move outward. When the clamping block 13 is disengaged from the slot 6, the laser welding fixture base 5 can be disassembled and replaced.

[0044] Specifically, an isolation ring 14 is fixedly connected to the middle portion of the bidirectional screw rod 8 .

[0045] In this embodiment, the isolation ring 14 is used to separate the two nuts 10 .

[0046] Specifically, handles 3 are fixedly connected to the left and right sides of the workbench 1 .

[0047] In this embodiment, the handle 3 is used to facilitate lifting the workbench 1 .

[0048] Specifically, support legs 2 are fixedly connected to the four corners of the bottom of the workbench 1.

[0049] In this embodiment, the supporting legs 2 are used to facilitate supporting the workbench 1 .

[0050] Working principle: When the laser welding fixture base 5 needs to be replaced, start the output end of the servo motor 9 to rotate, and the output end of the servo motor 9 drives the bidirectional screw 8 to rotate. The rotation of the bidirectional screw 8 causes the two nuts 10 to move inward or outward on the surface of the bidirectional screw 8 at the same time. When the servo motor 9 reverses, the two nuts 10 move outward at the same time, and the movement of the nut 10 drives the slide 11 to move outward, and the movement of the slide 11 drives the cross plate 12 to move outward, and the movement of the cross plate 12 drives the card block 13 to move outward. When the card block 13 is disengaged from the card slot 6, the laser welding fixture base 5 can be disassembled and replaced.

[0051] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and improved ideas of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A quick-change device for laser welding fixtures of automobile seat frames, characterized in that: include: Workbench (1); A sliding hole (4), wherein the sliding hole (4) is provided on the workbench (1); A laser welding fixture base (5), wherein the laser welding fixture base (5) is arranged on a workbench (1), and two slots (6) are provided on both left and right sides of the laser welding fixture base (5); The mounting mechanism is arranged on the workbench (1), and the mounting mechanism is connected to four card slots (6).

2. The quick-change device for laser welding fixtures for automobile seat frames according to claim 1, characterized in that: The installation mechanism comprises a moving component and two groups of snap-fit ​​components. The moving component and the two groups of snap-fit ​​components are both arranged on a workbench (1), and the moving component and the two groups of snap-fit ​​components are connected.

3. The quick-change device for laser welding fixtures for automobile seat frames according to claim 2, characterized in that: The moving assembly comprises a support plate (7), a bidirectional screw rod (8), a servo motor (9) and a nut (10), wherein the support plate (7) and the nut (10) are both provided in two pieces, the two support plates (7) are both fixedly connected to the bottom of the workbench (1), the bidirectional screw rod (8) is rotatably connected between the two support plates (7), the servo motor (9) is mounted on the side end of the support plate (7), and the output end of the servo motor (9) movably passes through the support plate (7), the output end of the servo motor (9) is fixedly connected to the bidirectional screw rod (8), and the two nuts (10) are both threadedly connected to the surface of the bidirectional screw rod (8).

4. The quick-change device for laser welding fixtures for automobile seat frames according to claim 3, characterized in that: Each group of the clamping components comprises a slide (11), a transverse plate (12) and a clamping block (13); the slide (11) is slidably connected in the slide hole (4), and the slide (11) is fixedly connected to the surface of the nut (10); the transverse plate (12) is fixedly connected to the slide (11); the clamping block (13) is provided in two pieces, and the two clamping blocks (13) are fixedly connected to the side ends of the transverse plate (12), and the two clamping blocks (13) are movably plugged into the two clamping slots (6).

5. The quick-change device for laser welding fixtures of an automobile seat frame according to claim 4, characterized in that: An isolation ring (14) is fixedly connected to the middle portion of the bidirectional screw rod (8).

6. The quick-change device for laser welding fixtures of an automobile seat frame according to claim 5, characterized in that: Handles (3) are fixedly connected to the left and right sides of the workbench (1).

7. The quick-change device for laser welding fixtures of an automobile seat frame according to claim 6, characterized in that: Support legs (2) are fixedly connected to the four corners of the bottom of the workbench (1).

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