Automatic assembly tool for backrest linkage rod

Abstract

The utility model discloses an automatic assembly tool for a backrest linkage rod, which belongs to the technical field of automobile seat manufacturing and comprises a workbench, a framework positioning mechanism used for fixing an automobile seat framework is mounted on the workbench, and a supporting plate capable of sliding along the axis direction of the workbench is mounted on the workbench. A supporting groove used for containing a linkage rod is formed in the supporting plate, the axis of the supporting groove and the axis of a mounting hole, used for mounting the linkage rod, in the automobile seat framework are located on the same straight line, and a first push plate is slidably mounted on the portion, on the first side of the automobile seat framework, of the workbench. A limiting hole matched with the first end of the linkage rod is formed in the first push plate, a second push plate is installed on the portion, on the second side of the automobile seat framework, of the workbench in a sliding mode, and a limiting gasket is fixedly placed on the second push plate. The linkage rod can be automatically assembled on the automobile seat framework, manpower is saved, and assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile seat manufacturing, and particularly relates to an automatic assembly tool for backrest linkage rods. BACKGROUND

[0002] An automobile seat is a main component in an automobile and serves to support the weight of a person and to moderate the vibration impact transmitted by the automobile body. The angle of the automobile seat chassis is generally adjusted by an angle adjustment mechanism to ensure that the passenger has a comfortable sitting experience. The linkage rod / axle is an important transmission component of the angle adjustment mechanism, and the two ends of the linkage rod / axle are connected to the shaft centers of two angle adjusters through two splines, thereby adjusting the angle of the automobile seat chassis.

[0003] At present, when the linkage rod is assembled to the automobile seat framework, the linkage rod is generally inserted along the mounting hole of the seat framework by manual operation, and then the limiting gasket is fixed at the two ends of the linkage rod extending out of the seat framework to fix the linkage rod on the seat framework. This assembly method wastes labor costs and reduces assembly efficiency.

[0004] Therefore, an automatic assembly tool for backrest linkage rods is needed to solve the above problems. SUMMARY

[0005] Therefore, the utility model provides an automatic assembly tool for backrest linkage rods to solve the problems of high labor cost and low assembly efficiency caused by manual assembly of the linkage rod in the prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] The utility model provides an automatic assembly tool for backrest linkage rods, which comprises a workbench, a framework positioning mechanism for fixing an automobile seat framework is installed on the workbench, a supporting plate capable of sliding along the axis direction of the workbench is installed on the workbench, a supporting groove for placing the linkage rod is arranged on the supporting plate, the axis of the supporting groove is located on the same straight line as the axis of the mounting hole on the automobile seat framework for mounting the linkage rod, a first push plate is slidably installed on the workbench at the first side of the automobile seat framework, a limiting hole matched with the first end of the linkage rod is arranged on the first push plate, a second push plate is slidably installed on the workbench at the second side of the automobile seat framework, a limiting gasket is fixedly placed on the second push plate, and moving the second push plate can make the limiting gasket be sleeved on the second end of the linkage rod.

[0008] Further, the skeleton positioning mechanism comprises a plurality of supporting blocks matched with the automobile seat skeleton, and a plurality of cylinder clamping mechanisms for limiting the movement of the automobile seat skeleton along the axis direction of the workbench.

[0009] Further, the cylinder clamping mechanism comprises a cylinder fixedly installed on the workbench, a pressing block rotatably installed at the output end of the cylinder, and a connecting rod rotatably installed on the cylinder and rotatably connected to the middle part of the pressing block.

[0010] Further, the workbench is provided with a cylinder clamping mechanism matched with the supporting plate, and the pressing block of the cylinder clamping mechanism can cover the supporting groove and press the linkage rod.

[0011] Further, the workbench is provided with at least two supporting plates and cylinder clamping mechanisms matched with the supporting plates, which are fixedly installed side by side between the two mounting holes of the automobile seat skeleton.

[0012] Further, the workbench is provided with a first notch, and the supporting plate on the first side of the automobile seat skeleton is slidingly installed in the first notch.

[0013] Further, the first push plate, the second push plate and the supporting plate are pushed and moved by the driving cylinder, wherein the driving cylinder for pushing the first push plate is fixedly installed at the bottom of the workbench, the first push plate is fixedly connected with a connecting plate fixedly connected with the output end of the driving cylinder, and the workbench is provided with a second notch for avoiding the connecting plate.

[0014] Further, the workbench is provided with a first sliding rail, and the first push plate is slidingly installed on the first sliding rail.

[0015] Further, the workbench is provided with a second sliding rail, and the second push plate is slidingly installed on the second sliding rail.

[0016] The beneficial effects of the present application are as follows:

[0017] The present application realizes automatic assembly of the linkage rod on the automobile seat skeleton, saves manpower and improves assembly efficiency.

[0018] The other advantages, objects and features of the present application will be described in the subsequent specification, and will be apparent to those skilled in the art to some extent, or can be taught by those skilled in the art from the practice of the present application. The objects and other advantages of the present application can be realized and obtained by the following specification. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the purpose, technical scheme and beneficial effects of the utility model clearer, the utility model provides the following drawings for description.

[0020] Figure 1 It is whole structure schematic view of the utility model embodiment.

[0021] Figure 2 It is first push plate installation schematic view of the utility model embodiment.

[0022] Figure 3 It is second push plate installation schematic view of the utility model embodiment.

[0023] Figure 4 It is structure schematic view of cylinder clamping mechanism of the utility model embodiment.

[0024] Figure 5 It is support plate installation schematic view of the utility model embodiment.

[0025] In the drawings, the following marks are as follows: workbench 1, first gap 101, second gap 102, equipment starting valve 103, framework positioning mechanism 2, support block 201, cylinder clamping mechanism 202, cylinder 203, pressing block 204, connecting rod 205, automobile seat framework 3, linkage rod 4, support plate 5, support groove 501, first push plate 6, limit hole 601, first sliding rail 602, connecting plate 603, second push plate 7, limit gasket 701, second sliding rail 702. DETAILED DESCRIPTION

[0026] As Figures 1-5 shown, the utility model provides a backrest linkage rod automatic assembly tool, include: workbench 1, install the framework positioning mechanism 2 for fixing automobile seat framework 3 on the workbench 1, install the support plate 5 that can slide along the axis direction of workbench 1 on the workbench 1, be equipped with the support groove 501 for placing linkage rod 4 on the support plate 5, the axis of support groove 501 and the axis of the mounting hole for installing linkage rod 4 on automobile seat framework 3 are on the same straight line, first push plate 6 is slidably installed on the workbench 1 on the first side of automobile seat framework 3, be equipped with the limit hole 601 that cooperates with the first end of linkage rod 4 on the first push plate 6, second push plate 7 is slidably installed on the workbench 1 on the second side of automobile seat framework 3, limit gasket 701 is fixedly placed on the second push plate 7, the limit gasket 701 can be set in the second end of linkage rod 4 by moving the second push plate 7.

[0027] In the scheme, before the linkage rod 4 is assembled to the automobile seat framework 3, the limiting washer 701 is fixed to the first end of the linkage rod 4, the linkage rod 4 is placed on the support plate 5 and the first end of the linkage rod 4 is placed in the limiting hole 601, the limiting hole 601 and the support plate 5 play a supporting role before the linkage rod 4 is assembled, when assembling, the first push plate 6 is pushed to move the linkage rod 4 to the direction close to the automobile seat framework 3 until the second end of the linkage rod 4 is inserted into the mounting hole of the first side of the automobile seat framework 3, at this time, the mounting hole of the first side of the automobile seat framework 3 and the limiting hole 601 support the linkage rod 4, at this time, the support plate 5 is slid to be separated from the linkage rod 4 to avoid the first push plate 6, and then the first push plate 6 is continuously pushed until the second end of the linkage rod 4 extends out of the mounting hole of the second side of the automobile seat framework 3, and the limiting washer 701 of the first end of the linkage rod 4 abuts against the first side of the automobile seat framework 3, then the limiting washer 701 is sleeved and fixed to the second end of the linkage rod 4 through the sliding of the second push plate 7, the limiting washer 701 at both ends of the linkage rod 4 fixes the linkage rod 4 on the automobile seat framework 3, so that the linkage rod 4 is assembled on the automobile seat framework 3. The movement of the first push plate 6, the second push plate 7 and the support plate 5 is realized by the driving cylinder for outputting linear motion, the driving cylinder for pushing the first push plate 6 is fixedly installed on the bottom of the workbench 1, the first push plate 6 is fixedly connected with the connecting plate 603 fixed to the output end of the driving cylinder, and the second notch 102 for avoiding the connecting plate 603 is arranged on the workbench 1.

[0028] In the scheme, through the design of the above mechanism, the linkage rod 4 is automatically assembled on the automobile seat framework 3, the manpower is saved, and the assembly efficiency is improved.

[0029] In an embodiment of the utility model, the framework positioning mechanism 2 includes a plurality of support blocks 201 matched with the automobile seat framework 3 and a plurality of cylinder clamping mechanisms 202 for limiting the displacement of the automobile seat framework 3 along the axis direction of the workbench 1, the support block 201 is used for supporting the automobile seat framework 3 and can limit the displacement of the automobile seat framework 3 along the horizontal direction of the workbench 1.

[0030] In the scheme, the support block 201 is installed on the workbench 1 at the positions corresponding to the four sides of the automobile seat framework 3, after the automobile seat framework 3 is installed on the plurality of support blocks 201, the displacement of the automobile seat framework 3 along the horizontal direction can be limited, then the automobile seat framework 3 is clamped by the cylinder clamping mechanism 202 to limit the displacement of the automobile seat framework 3 along the axis direction of the workbench 1, so that the stability of fixing the automobile seat framework 3 is ensured.

[0031] In an embodiment of the utility model, the cylinder clamping mechanism 202 includes the cylinder 203 fixedly installed on the workbench 1, the cylinder 203 is used for outputting linear motion along the workbench 1 axis direction, the output end of cylinder 203 is rotatably installed with the pressing block 204, the pressing block 204 can press the automobile seat framework 3 away from the cylinder 203 end, the cylinder 203 is rotatably installed with the connecting rod 205 on, the connecting rod 205 is rotatably connected with the middle part of pressing block 204 away from the cylinder 203 end, the cylinder 203 output linear motion can drive the pressing block 204 to rotate around the connecting point of pressing block 204 and connecting rod 205.

[0032] In the scheme, the cylinder 203 output linear motion is used to drive the pressing block 204 to rotate, to realize the function of the lower pressure limiting or the upper movement of automobile seat framework 3, wherein the lower pressure and the upper movement of pressing block 204 are all realized by rotating mode, to provide the avoiding space for avoiding automobile seat framework 3 when placing automobile seat framework 3.

[0033] In an embodiment of the utility model, the workbench 1 is installed with the cylinder clamping mechanism 202 matched with the supporting plate 5, the pressing block 204 installed on the cylinder clamping mechanism 202 can cover the supporting groove 501 and press the linkage rod 4, to prevent the linkage rod 4 from warping during movement.

[0034] In an embodiment of the utility model, the workbench 1 is fixedly installed with at least two supporting plates 5 and the cylinder clamping mechanism 202 matched with the supporting plate 5 between the two mounting holes of automobile seat framework 3. To ensure the stability when the linkage rod 4 is inserted between the two mounting holes of automobile seat framework 3, through the cylinder clamping mechanism 202, to facilitate the opening of all cylinder clamping mechanisms 202 after the assembly of linkage rod 4 is completed, to facilitate the removal of automobile seat framework 3.

[0035] In an embodiment of the utility model, the workbench 1 is fixedly installed with the equipment starting valve 103, and opening the equipment starting valve 103 can make the first push plate 6 slide through the equipment starting valve 103, and closing the equipment starting valve 103 can block the first push plate 6 from sliding through the equipment starting valve 103. To improve the assembly safety.

[0036] In an embodiment of the utility model, the workbench 1 is provided with the first gap 101, and the supporting plate 5 on the first side of the automobile seat framework 3 is slidingly installed in the first gap 101.

[0037] In the scheme, the first gap 101 is provided to provide the sliding space of the supporting plate 5 on the first side of the automobile seat framework 3, to ensure that the supporting plate 5 can move to the lower side of the workbench 1 to provide the sliding space of the first push plate 6, and to reduce the installation height of the automobile seat framework 3 and the first push plate 6.

[0038] In one embodiment of the utility model, first slide rail 602 is equipped on the workstation 1, first push plate 6 is slidably installed on first slide rail 602, to guarantee the sliding stability of first push plate 6.

[0039] In one embodiment of the utility model, second slide rail 702 is equipped on the workstation 1, second push plate 7 is slidably installed on second slide rail 702, to guarantee the sliding stability of second push plate 7.

[0040] Finally, it is explained that the above preferred embodiment is only used to illustrate the technical scheme of the utility model and is not limited, although the utility model has been described in detail through the above preferred embodiment, but those skilled in the art should understand that various changes can be made to its form and details without deviating from the range defined by the utility model claims.

Claims

1. A back linkage rod automatic assembly tool, comprising a workbench, characterized in that: The workbench is provided with a framework positioning mechanism for fixing the automobile seat framework, a support plate capable of sliding along the axis direction of the workbench, a support groove for placing the linkage rod on the support plate, the axis of the support groove being on the same straight line as the axis of the mounting hole on the automobile seat framework for mounting the linkage rod, a first push plate slidingly mounted on the workbench at the first side of the automobile seat framework, a limiting hole on the first push plate for cooperating with the first end of the linkage rod, a second push plate slidingly mounted on the workbench at the second side of the automobile seat framework, and a limiting washer fixedly placed on the second push plate, the second push plate being moved to enable the limiting washer to be sleeved on the second end of the linkage rod.

2. The automatic assembly tooling for backrest linkage rods according to claim 1, characterized in that: The framework positioning mechanism comprises a plurality of support blocks for cooperating with the automobile seat framework, and a plurality of cylinder clamping mechanisms for limiting the movement of the automobile seat framework along the axis direction of the workbench, the plurality of support blocks being used for supporting the automobile seat framework and capable of limiting the displacement of the automobile seat framework along the horizontal direction of the workbench.

3. The automatic assembly tooling for backrest linkage bars according to claim 2, characterized in that: The cylinder clamping mechanism comprises a cylinder fixedly mounted on the workbench, a pressing block rotatably mounted on the output end of the cylinder, and a connecting rod rotatably mounted on the cylinder, the distal end of the connecting rod being rotatably connected to the middle part of the pressing block, the linear motion of the output end of the cylinder being capable of driving the pressing block to rotate around the connecting point of the pressing block and the connecting rod.

4. The automatic assembly tooling for backrest linkage bars according to claim 3, characterized in that: The workbench is provided with a cylinder clamping mechanism cooperating with the support plate, the pressing block mounted on the cylinder clamping mechanism being capable of covering the support groove and pressing the linkage rod.

5. The automatic assembly tooling for backrest linkage bars according to claim 4, characterized in that: The workbench is provided with at least two support plates and cylinder clamping mechanisms cooperating with the support plates, the two support plates being fixedly installed side by side on the workbench between the two mounting holes of the automobile seat framework.

6. The automatic assembly tooling for backrest linkage bars according to claim 1, characterized in that: The workbench is provided with a first notch, and the support plate at the first side of the automobile seat framework is slidingly installed in the first notch.

7. The automatic assembly tooling for backrest linkage bars according to claim 1, characterized in that: The first push plate, the second push plate and the support plate are moved by being pushed by the driving cylinder, wherein the driving cylinder for pushing the first push plate is fixedly installed at the bottom of the workbench, the first push plate is fixedly connected with a connecting plate fixedly connected with the output end of the driving cylinder, and the workbench is provided with a second notch for avoiding the connecting plate.

8. The automatic assembly tooling for backrest linkage bars according to claim 1, characterized in that: The workbench is provided with a first slide rail, and the first push plate is slidingly installed on the first slide rail.

9. The automatic assembly tooling for backrest linkage bars according to claim 1, characterized in that: The workbench is provided with a second slide rail, and the second push plate is slidingly installed on the second slide rail.

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