Welding fixture for front-row backrest side recliner support

Abstract

The utility model discloses a front row backrest side recliner support welding clamp which comprises a bottom plate, a first pressing assembly is arranged in the middle of the bottom plate, first positioning assemblies are symmetrically arranged on the two sides of the pressing assembly, and a second positioning assembly is arranged on the front portion of each first positioning assembly. A third positioning assembly is arranged on the front portion of the second positioning assembly. The second pressing assemblies are symmetrically arranged on the two sides of the bottom plate; the first pressing assembly comprises an air cylinder fixedly arranged on the upper side of the bottom plate, the movable end of the air cylinder is connected with a mounting plate capable of moving front and back, pressing blocks extending outwards are arranged on the two sides of the mounting plate, and a first limiting block is arranged in the middle of the mounting plate. The automatic welding device can solve the problems that an existing backrest side recliner support is welded manually, for example, the welding precision is not high, operation is complex, and the percent of pass is low.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts welding fixtures, in particular to a front seat back side angle adjuster bracket welding fixture. Background Art

[0002] The backrest side recliner bracket is an important part of the car seat. Its main function is to connect the backrest and the seat cushion of the seat and allow the backrest to adjust the angle within a certain range to provide comfort and safety for the passengers. The welding quality of the backrest side recliner bracket directly affects the overall performance. At present, manual welding is used, and problems such as low welding accuracy and complex operation lead to the inability to effectively guarantee the welding quality. Therefore, it is necessary to provide a new front row backrest side recliner bracket welding fixture to improve the welding quality and efficiency. Utility Model Content

[0003] The utility model provides a welding fixture for a front-row backrest side angle adjuster bracket, which can solve the problems of manual welding of the existing backrest side angle adjuster bracket, such as low welding precision, complicated operation and low qualified rate.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a front row backrest side angle adjuster bracket welding fixture, including a base plate, a first clamping assembly is arranged in the middle of the base plate, first positioning assemblies are symmetrically arranged on both sides of the clamping assembly, a second positioning assembly is arranged in front of the first positioning assembly, and a third positioning assembly is arranged in front of the second positioning assembly; a second clamping assembly is symmetrically arranged on both sides of the base plate; the first clamping assembly includes a cylinder fixedly arranged on the upper side of the base plate, the movable end of the cylinder is connected to a mounting plate that can be moved forward and backward, and clamping blocks extending outward are arranged on both sides of the mounting plate, and the mounting blocks are arranged on both sides of the mounting plate. A first limit block is arranged in the middle of the mounting plate; the first positioning assembly includes a Z-shaped support fixedly arranged on the upper side of the base plate, and two first positioning pins and two positioning bosses are arranged on the upper side of the Z-shaped support; the second positioning assembly includes a T-shaped mounting seat fixedly arranged on the upper side of the base plate, a support seat is vertically arranged on the upper side of the T-shaped mounting seat, and limit plates are symmetrically arranged on both sides of the T-shaped mounting seat; the third positioning assembly includes a mounting block fixedly arranged on the upper side of the base plate, a positioning block is arranged on the upper side of the mounting block, and a second positioning pin is vertically arranged in the middle of the positioning block, which has high positioning accuracy and improves the consistency and repeatability of welding.

[0005] Preferably, the second clamping assembly includes an L-shaped support fixedly arranged on the upper side of the base plate, a strong clamping cylinder is installed on the upper end of the L-shaped support, the movable end of the strong clamping cylinder is connected to a connecting plate, a plurality of downwardly extending pressing blocks are arranged on the lower side of the end of the connecting plate, and a pressing plate is arranged on the pressing block located above the positioning block to firmly press the welding component, thereby ensuring the stability of the workpiece during welding and reducing welding defects caused by vibration.

[0006] Preferably, the cross-section of the second positioning pin is plum blossom-shaped, and has high positioning accuracy.

[0007] Preferably, a slot matching the second positioning pin is provided in the middle of the positioning block, and a plurality of limiting holes matching the product boss are provided on the periphery of the slot on the positioning block, so that the quality of welding can be significantly improved through precise positioning.

[0008] Preferably, a mounting support is provided on the upper side of the base plate between the two Z-shaped supports, and a second limit block is provided on the upper end of the mounting support, so that the stroke of the cylinder is limited by the second limit block.

[0009] Preferably, a limiting protrusion is provided on the side of the second limiting block, and a limiting groove matching the limiting protrusion is provided on the side of the first limiting block, which is convenient to process and has precise limiting effect.

[0010] Preferably, lifting rings are installed at the four corners of the upper side of the base plate to facilitate the transportation of the clamp.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The structure is simple, the operation is convenient, and it is easy to realize automatic welding; the welding precision is high, which effectively guarantees the welding quality; the welding efficiency is improved and the production cost is reduced. It can solve the problems of the existing manual welding of the backrest side angle adjuster bracket, such as low welding precision, complex operation and low qualified rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0014] Figure 2 It is a three-dimensional structural diagram of the utility model when the product is placed;

[0015] Figure 3 It is a three-dimensional structural diagram of the first pressing assembly of the utility model;

[0016] Figure 4 It is a three-dimensional structural diagram of the first positioning component of the utility model;

[0017] Figure 5It is a three-dimensional structural diagram of the second positioning assembly of the utility model;

[0018] Figure 6 It is a three-dimensional structural diagram of the third positioning assembly of the utility model;

[0019] Figure 7 It is a three-dimensional structural diagram of the second pressing assembly of the utility model;

[0020] Figure 8 This is a three-dimensional structural diagram of the positioning block of the utility model;

[0021] Fig. 9 It is a schematic diagram of the installation state of the mounting support and the second limit block of the utility model.

[0022] Reference numerals:

[0023] 1. Base plate, 2. First clamping assembly, 21. Cylinder, 22. Mounting plate, 23. Clamping block, 24. First limiting block, 3. First positioning assembly, 31. Z-shaped support, 32. First positioning pin, 33. Positioning boss, 4. Second positioning assembly, 41. T-shaped mounting seat, 42. Support seat, 43. Limiting plate, 5. Third positioning assembly, 51. Mounting block, 52. Positioning block, 521. Slot, 522. Limiting hole 522, 53. Second positioning pin, 6. Second clamping assembly, 61. L-shaped support, 62. Power clamping cylinder, 63. Connecting plate, 64. Pressing block, 65. Pressing plate, 7. Lifting ring, 8. Mounting support, 9. Second limiting block, 91. Limiting protrusion, 241. Limiting groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] like Figure 1-9As shown, the utility model provides the following technical solutions to solve the problems of manual welding of the existing backrest side angle adjuster bracket, such as low welding precision, complicated operation and low qualified rate: a front row backrest side angle adjuster bracket welding fixture, comprising a base plate 1, a first clamping component 2 is arranged in the middle of the base plate 1, first positioning components 3 are symmetrically arranged on both sides of the clamping component 2, a second positioning component 4 is arranged in front of the first positioning component 3, and a third positioning component 5 is arranged in front of the second positioning component 4; a second clamping component 6 is symmetrically arranged on both sides of the base plate 1; the first clamping component 2 includes a cylinder 21 fixedly arranged on the upper side of the base plate 1, the movable end of the cylinder 21 is connected to a mounting plate 22 which can be moved forward and backward, and both sides of the mounting plate 22 are provided with outwardly extending The clamping block 23 is extended, and the middle part of the mounting plate 22 is provided with a first limit block 24; the first positioning component 3 includes a Z-shaped support 31 fixedly arranged on the upper side of the base plate 1, and the upper side of the Z-shaped support 31 is provided with two first positioning pins 32 and two positioning bosses 33; the second positioning component 4 includes a T-shaped mounting seat 41 fixedly arranged on the upper side of the base plate 1, and a support seat 42 is vertically arranged on the upper side of the T-shaped mounting seat 41, and limiting plates 43 are symmetrically arranged on both sides of the T-shaped mounting seat 41; the third positioning component 5 includes a mounting block 51 fixedly arranged on the upper side of the base plate 1, and a positioning block 52 is arranged on the upper side of the mounting block 51, and a second positioning pin 53 is vertically arranged in the middle part of the positioning block 52, which has high positioning accuracy and improves the consistency and repeatability of welding.

[0026] In this embodiment, if Figure 7 As shown, the second clamping assembly 6 includes an L-shaped support 61 fixedly arranged on the upper side of the base plate 1, a strong clamping cylinder 62 is installed on the upper end of the L-shaped support 61, the movable end of the strong clamping cylinder 62 is connected to a connecting plate 63, a plurality of downwardly extending pressing blocks 64 are arranged on the lower side of the end of the connecting plate 63, a pressing plate 65 is arranged on the pressing block 64 located above the positioning block 52, which firmly presses the welding parts to ensure the stability of the workpiece during welding and reduce welding defects caused by vibration.

[0027] In this embodiment, if Figure 1 As shown, the cross section of the second positioning pin 53 is plum blossom-shaped, and the positioning accuracy is high.

[0028] In this embodiment, if Figure 8 As shown, a slot 521 matching the second positioning pin 53 is provided in the middle of the positioning block 52, and a plurality of limiting holes 522 matching the product boss are provided on the outer periphery of the slot 521 on the positioning block 52. Through precise positioning, the quality of welding can be significantly improved.

[0029] In this embodiment, if Fig. 9 As shown, a mounting support 8 is provided on the upper side of the base plate 1 between the two Z-shaped supports 31 , and a second limit block 9 is provided on the upper end of the mounting support 8 , and the stroke of the cylinder 21 is limited by the second limit block 9 .

[0030] In this embodiment, if Figure 3 and Fig. 9 As shown, a limiting protrusion 91 is provided on the side of the second limiting block 9, and a limiting groove 241 matching the limiting protrusion 91 is provided on the side of the first limiting block 24, which is convenient to process and has precise limiting.

[0031] In this embodiment, if Figure 1 As shown, lifting rings 7 are installed at the four corners of the upper side of the base plate 1 to facilitate the transportation of the clamp.

[0032] In this embodiment, if Figure 2 As shown, the operator places the welding component on the upper side of the positioning block 52, the limiting hole 522 is sleeved on the boss of the welding component, the second positioning pin 53 passes through the positioning hole of the welding component, and the upper welding component is continued to be placed. The limiting plate 43 limits the sheet metal below the welding component, and the first positioning pin 32 passes through the upper welding component to limit it. The cylinder 21 is actuated, the first limiting block 24 moves forward, the limiting groove 241 and the limiting protrusion 91 are engaged, the cylinder stops moving, the clamping block 23 presses the sheet metal below the welding component, the strong clamping cylinder 62 is actuated, the pressing block 64 and the pressing plate 65 press the welding component, the welding component is fixed, and welding can be carried out.

[0033] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A welding fixture for the front seat backrest side recliner bracket, characterized in that: include: A base plate (1), wherein a first clamping assembly (2) is arranged in the middle of the base plate (1), first positioning assemblies (3) are symmetrically arranged on both sides of the clamping assembly (2), a second positioning assembly (4) is arranged in front of the first positioning assembly (3), and a third positioning assembly (5) is arranged in front of the second positioning assembly (4); A second pressing assembly (6) is symmetrically arranged on both sides of the base plate (1); The first clamping assembly (2) comprises a cylinder (21) fixedly arranged on the upper side of the base plate (1), the movable end of the cylinder (21) is connected to a mounting plate (22) that can move forward and backward, both sides of the mounting plate (22) are provided with clamping blocks (23) extending outward, and the middle part of the mounting plate (22) is provided with a first limit block (24); The first positioning assembly (3) comprises a Z-shaped support (31) fixedly arranged on the upper side of the base plate (1), and two first positioning pins (32) and two positioning bosses (33) are arranged on the upper side of the Z-shaped support (31); The second positioning assembly (4) comprises a T-shaped mounting seat (41) fixedly arranged on the upper side of the base plate (1), a supporting seat (42) being vertically arranged on the upper side of the T-shaped mounting seat (41), and limiting plates (43) being symmetrically arranged on both sides of the T-shaped mounting seat (41); The third positioning assembly (5) comprises a mounting block (51) fixedly arranged on the upper side of the base plate (1), a positioning block (52) is arranged on the upper side of the mounting block (51), and a second positioning pin (53) is vertically arranged in the middle of the positioning block (52).

2. The front seat backrest side recliner bracket welding fixture according to claim 1, characterized in that: The second clamping assembly (6) comprises an L-shaped support (61) fixedly arranged on the upper side of the base plate (1), a strong clamping cylinder (62) being installed at the upper end of the L-shaped support (61), a connecting plate (63) being connected to the movable end of the strong clamping cylinder (62), a plurality of downwardly extending pressing blocks (64) being arranged at the lower side of the end of the connecting plate (63), and a pressing plate (65) being arranged on the pressing block (64) located above the positioning block (52).

3. The front seat backrest side recliner bracket welding fixture according to claim 1, characterized in that: The cross section of the second positioning pin (53) is plum blossom-shaped.

4. The front seat backrest side recliner bracket welding fixture according to claim 3, characterized in that: A slot (521) matching the second positioning pin (53) is provided in the middle of the positioning block (52), and a plurality of limiting holes (522) matching the product boss are provided on the outer periphery of the slot (521) on the positioning block (52).

5. The front seat backrest side recliner bracket welding fixture according to claim 1, characterized in that: A mounting support (8) is provided on the upper side of the base plate (1) between the two Z-shaped supports (31), and a second limiting block (9) is provided at the upper end of the mounting support (8).

6. The front seat backrest side recliner bracket welding fixture according to claim 5, characterized in that: A limiting protrusion (91) is provided on the side of the second limiting block (9), and a limiting groove (241) matching the limiting protrusion (91) is provided on the side of the first limiting block (24).

7. The front seat backrest side recliner bracket welding fixture according to claim 1, characterized in that: Hanging rings (7) are installed at the four corners of the upper side of the bottom plate (1).

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