Welding device for automobile seat footrest frame assembly

Abstract

A welding device for a car seat footrest frame assembly relates to the technical field of automobile parts processing. The device includes an operating table. The table top of the operating table is provided with a first positioning device for positioning and adjusting a tooth plate and a tooth plate welding shaft, a second positioning device for positioning a tooth plate assembly semi-finished product and a frame rotary tube, and a third positioning device for positioning a tooth plate rotary tube semi-finished product and a frame support rod; the first positioning device includes a tooth plate positioning block group and a tooth plate clamping cylinder; the second positioning device includes a first frame rotary tube positioning block group, a tooth plate assembly semi-finished product positioning block group, a frame rotary tube clamping cylinder, a first tooth plate assembly semi-finished product tightening cylinder, and a second tooth plate assembly semi-finished product tightening cylinder; the third positioning device includes a tooth plate positioning block group, a left and right support rod positioning block group, a second frame rotary tube positioning block group, a tooth plate rotary tube semi-finished product clamping cylinder, a tooth plate rotary tube semi-finished product tightening cylinder, and a left and right support rod tightening cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a welding device for an automobile seat footrest frame assembly. Background Art

[0002] like Figure 5 As shown, the automobile footrest skeleton assembly is composed of skeleton support rod 95, adjustment tooth plate 93, tooth plate welding shaft 92, skeleton coil 94 and other parts. At present, due to the limitation of the parts structure, welding of the footrest skeleton assembly needs to be completed in multiple processes. The equipment of the first process welds and assembles the adjustment tooth plate 93 and the tooth plate welding shaft 92 to obtain a semi-finished tooth plate assembly. The equipment of the second process welds and assembles the semi-finished tooth plate assembly with the skeleton coil 94 to obtain a semi-finished tooth plate coil. The equipment of the third process welds and assembles the semi-finished tooth plate coil with the reinforcement bracket 91 and the skeleton support rod 95 to obtain the final footrest skeleton assembly finished product.

[0003] This method of using multiple devices to produce semi-finished products separately requires the transfer of workpieces between each process, which affects the production efficiency of the final product. In addition, the workpieces are easily damaged by collisions during the transfer process, thus affecting the yield rate. Utility Model Content

[0004] In view of the defects existing in the above-mentioned prior art, the technical problem to be solved by the utility model is to provide a welding device for an automobile seat footrest frame assembly which can improve production efficiency and yield rate.

[0005] In order to solve the above technical problems, the utility model provides a welding device for a car seat footrest frame assembly, including an operating table, characterized in that:

[0006] The left front part of the operating table is provided with a first positioning device for positioning and adjusting the tooth plate and the tooth plate welding shaft, the right front part of the operating table is provided with a second positioning device for positioning the semi-finished tooth plate assembly and the skeleton coil, and the rear part of the operating table is provided with a third positioning device for positioning the semi-finished tooth plate coil and the skeleton support rod;

[0007] The first positioning device includes a gear plate positioning block group fixed to the operating table surface, and a gear plate pressing cylinder installed on the operating table surface, the gear plate positioning block group is provided with a gear plate shaft positioning hole for inserting and placing the gear plate welding shaft and a gear plate positioning pin for positioning and adjusting the gear plate, a gear plate pressing arm is provided directly above the gear plate positioning block group, and a power arm of the gear plate pressing cylinder is fixedly connected to the gear plate pressing arm, and is used to drive the gear plate pressing arm to move up and down;

[0008] The second positioning device includes a first skeleton coil positioning block group, a tooth plate assembly semi-finished product positioning block group, and a skeleton coil pressing cylinder, a first tooth plate assembly semi-finished product pressing cylinder, and a second tooth plate assembly semi-finished product pressing cylinder, which are respectively installed on the operating table surface. The first skeleton coil positioning block group is provided with a bracket for supporting the skeleton coil. The semi-finished product positioning block group of the tooth plate assembly is located on the right side of the first skeleton coil positioning block group. The semi-finished product positioning block group of the tooth plate assembly is provided with a bracket for supporting the semi-finished product of the tooth plate assembly. A first coil pressing arm is fixed on the power arm of the coil pressing cylinder, and the first coil pressing arm is located directly above the first skeleton coil positioning block group. The first tooth plate assembly semi-finished product pressing cylinder is located on the left side of the first skeleton coil positioning block group. A top block for pressing the left end of the semi-finished product of the tooth plate assembly is fixed on the power arm of the semi-finished product pressing cylinder of the first tooth plate assembly. The second tooth plate assembly semi-finished product pressing cylinder is located on the right side of the first skeleton coil positioning block group. A top block for pressing the right end of the semi-finished product of the tooth plate assembly is fixed on the power arm of the semi-finished product pressing cylinder of the second tooth plate assembly.

[0009] The third positioning device includes a toothed plate positioning block group fixed on the operating table surface, a support rod positioning block group on each side, a second skeleton rotary tube positioning block group, and a toothed plate rotary tube semi-finished product pressing cylinder, a toothed plate rotary tube semi-finished product jacking cylinder, and a support rod jacking cylinder on each side, which are respectively installed on the operating table surface. The toothed plate positioning block group is provided with a positioning hole for inserting the toothed plate welding shaft, and the support rod positioning block group is provided with a bracket for supporting the skeleton support rod. The second skeleton rotary tube positioning block group is located on the left side of the toothed plate positioning block group. The coil positioning block group is provided with a bracket for supporting the skeleton coil, and a second coil clamping arm is provided directly above the skeleton coil support block group. The power arm of the toothed plate coil semi-finished product clamping cylinder is fixedly connected to the second coil clamping arm, and is used to drive the second coil clamping arm to move up and down; the toothed plate coil semi-finished product tightening cylinder is located on the left side of the skeleton coil support block group, and a pushing block for pressing the left end of the toothed plate coil semi-finished product is fixed on the power arm of the toothed plate coil semi-finished product tightening cylinder, and pushing blocks for pressing the skeleton support rods are fixed on the power arms of the two support rod tightening cylinders.

[0010] The utility model provides a welding device for an automobile seat footrest frame assembly, which integrates various working procedures on the same operating table. There is no need to transfer workpieces between the various working procedures, which saves the transfer time of products between working procedures and can improve production efficiency. It also effectively avoids damage to the workpieces due to collision during transportation, thereby improving the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a top left front perspective stereogram of a welding device for a footrest frame assembly of an automobile seat according to an embodiment of the utility model;

[0012] Figure 2It is a top left rear perspective stereogram of a first positioning device in a welding device for a footrest frame assembly of an automobile seat according to an embodiment of the utility model;

[0013] Figure 3 It is a top left front perspective stereogram of a tooth plate positioning block group of a welding device for a footrest frame assembly of an automobile seat according to an embodiment of the utility model;

[0014] Figure 4 It is a top left front perspective stereogram of a second positioning device in a welding device for a footrest frame assembly of an automobile seat according to an embodiment of the utility model;

[0015] Figure 5 It is a top view of the third positioning device used for the welding device of the automobile seat footrest frame assembly according to the embodiment of the utility model;

[0016] Figure 6 It is a structural stereoscopic schematic diagram of an automobile footrest frame assembly. DETAILED DESCRIPTION

[0017] The following is a further detailed description of an embodiment of the utility model in conjunction with the accompanying drawings, but the embodiment is not intended to limit the utility model. All similar structures and similar changes of the utility model should be included in the protection scope of the utility model. The semicolons in the utility model all represent the relationship of and.

[0018] like Figure 1 As shown, the embodiment of the utility model provides a welding device for a car seat footrest frame assembly, comprising an operating table 1;

[0019] The left front part of the table top of the operating table 1 is provided with a first positioning device for positioning and adjusting the tooth plate 93 and the tooth plate welding shaft 92, the right front part of the table top of the operating table 1 is provided with a second positioning device for positioning the tooth plate assembly semi-finished product and the skeleton coil 94, and the rear part of the table top of the operating table 1 is provided with a third positioning device for positioning the tooth plate coil semi-finished product, the reinforcing bracket 91, and the skeleton support rod 95;

[0020] like Figure 2-Figure 3 As shown, the first positioning device includes a gear plate positioning block group 3 fixed on the operating table surface, and a gear plate pressing cylinder 2 installed on the operating table surface, the gear plate positioning block group 3 is provided with a gear plate shaft positioning hole for inserting and placing the gear plate welding shaft 92 and a gear plate positioning pin 31 for positioning and adjusting the gear plate 93, and a gear plate pressing arm 21 is provided just above the gear plate positioning block group 3, and the power arm of the gear plate pressing cylinder 2 is fixedly connected to the gear plate pressing arm 21, and is used to drive the gear plate pressing arm 21 to move up and down;

[0021] like Figure 4As shown, the second positioning device includes a first skeleton coil positioning block group 4, a tooth plate assembly semi-finished product positioning block group 7, which are respectively fixed on the operating table surface, and a skeleton coil pressing cylinder 5, a first tooth plate assembly semi-finished product pressing cylinder 15, and a second tooth plate assembly semi-finished product pressing cylinder 16, which are respectively installed on the operating table surface. The first skeleton coil positioning block group 4 is provided with a bracket for supporting the skeleton coil 94. The tooth plate assembly semi-finished product positioning block group 7 is located on the right side of the first skeleton coil positioning block group 4. The tooth plate assembly semi-finished product positioning block group 7 is provided with a bracket for supporting the tooth plate assembly semi-finished product. The skeleton coil pressing cylinder 5, the first tooth plate assembly semi-finished product pressing cylinder 15, and the second tooth plate assembly semi-finished product pressing cylinder 16 are respectively installed on the operating table surface. A first coil clamping arm 51 is fixed on the power arm of the tightening cylinder 5, and the first coil clamping arm 51 is located directly above the first skeleton coil positioning block group 4. The first tooth plate assembly semi-finished product tightening cylinder 15 is located on the left side of the first skeleton coil positioning block group 4, and a top block 151 for pressing the left end of the tooth plate assembly semi-finished product is fixed on the power arm of the first tooth plate assembly semi-finished product tightening cylinder 15. The second tooth plate assembly semi-finished product tightening cylinder 16 is located on the right side of the first skeleton coil positioning block group 4, and a top block 161 for pressing the right end of the tooth plate assembly semi-finished product is fixed on the power arm of the second tooth plate assembly semi-finished product tightening cylinder 16.

[0022] like Figure 5 As shown, the third positioning device includes a toothed plate positioning block group 8 respectively fixed on the operating table surface, a support rod positioning block group 10 on each side, a second skeleton coil positioning block group 11, and a toothed plate coil semi-finished product pressing cylinder 12, a toothed plate coil semi-finished product jacking cylinder 14, and a support rod jacking cylinder 13 on each side respectively installed on the operating table surface. The toothed plate positioning block group 8 is provided with a positioning hole for inserting the toothed plate welding shaft 92, and the support rod positioning block group 10 is provided with a bracket for supporting the skeleton support rod 95. The second skeleton coil positioning block group 11 is located on the left side of the toothed plate positioning block group 8. The block group 11 is provided with a bracket for supporting the skeleton coil 94, and a second coil clamping arm 121 is provided directly above the skeleton coil support block group 11. The power arm of the toothed plate coil semi-finished product clamping cylinder 12 is fixedly connected to the second coil clamping arm 121, and is used to drive the second coil clamping arm 121 to move up and down; the toothed plate coil semi-finished product tightening cylinder 14 is located on the left side of the skeleton coil support block group 11, and a top block 141 for pressing the left end of the toothed plate coil semi-finished product is fixed on the power arm of the toothed plate coil semi-finished product tightening cylinder 14, and a top block 131 for pressing the skeleton support rod 95 is fixed on the power arms of the two support rod tightening cylinders 13.

[0023] The embodiment of the utility model is used for welding and assembling the frame assembly of the automobile seat footrest, and the method of use is as follows:

[0024] First, insert the gear plate welding shaft 92 to be assembled into the gear plate shaft positioning hole of the gear plate positioning block group 3, place the adjusting gear plate 93 on the gear plate positioning block group 3, and make the gear plate positioning pin 31 snap into each tooth of the adjusting gear plate 93, so that the shaft hole on the adjusting gear plate 93 is sleeved on the gear plate welding shaft 92, and then the gear plate pressing cylinder 2 drives the gear plate pressing arm 21 to press down, press the adjusting gear plate 93 downward, and then weld the adjusting gear plate 93 and the gear plate welding shaft 92 to form a semi-finished gear plate assembly;

[0025] Then, the tooth plate assembly semi-finished product is moved and placed into the bracket of the tooth plate assembly semi-finished product positioning block group 7, and at the same time, the skeleton coil 94 is placed into the bracket of the first skeleton coil positioning block group 4, and then the skeleton coil pressing cylinder 5 drives the first coil pressing arm 51 to press down to press the skeleton coil 94 downward, and the first tooth plate assembly semi-finished product tightening cylinder 15 and the second tooth plate assembly semi-finished product tightening cylinder 16 respectively drive the ejection blocks 151 and 161 to tighten the left and right ends of the skeleton coil 94, and then the tooth plate assembly semi-finished product and the skeleton coil 94 are welded to form a tooth plate coil semi-finished product;

[0026] Then the toothed plate rotary tube semi-finished product is moved to the third positioning device, so that the toothed plate welding shaft 92 on the toothed plate rotary tube semi-finished product is inserted into the positioning hole on the toothed plate positioning block group 8, and the skeleton rotary tube 94 on the toothed plate rotary tube semi-finished product is placed in the bracket on the second skeleton rotary tube positioning block group 11, and the skeleton support rod 95 to be assembled is placed in the bracket on the support rod positioning block group 10, and then the toothed plate rotary tube semi-finished product pressing cylinder 12 drives the second rotary tube pressing arm 121 to press the skeleton rotary tube 94 on the toothed plate rotary tube semi-finished product downward, and the toothed plate rotary tube semi-finished product tightening cylinder 14 drives the ejection block 141 to tighten the left end of the toothed plate rotary tube semi-finished product, and the two support rod tightening cylinders 13 drive the ejection block 131 to press the skeleton support rod 95 to be assembled, and then the toothed plate rotary tube semi-finished product and the skeleton support rod 95 to be assembled are welded to obtain the foot support skeleton assembly finished product.

Claims

1. A welding device for a car seat footrest frame assembly, comprising an operating table, characterized in that: The left front part of the operating table is provided with a first positioning device for positioning and adjusting the tooth plate and the tooth plate welding shaft, the right front part of the operating table is provided with a second positioning device for positioning the tooth plate assembly semi-finished product and the skeleton coil, and the rear part of the operating table is provided with a third positioning device for positioning the tooth plate coil semi-finished product and the skeleton support rod; The first positioning device includes a gear plate positioning block group fixed to the operating table surface, and a gear plate pressing cylinder installed on the operating table surface, the gear plate positioning block group is provided with a gear plate shaft positioning hole for inserting and placing the gear plate welding shaft and a gear plate positioning pin for positioning and adjusting the gear plate, a gear plate pressing arm is provided directly above the gear plate positioning block group, and a power arm of the gear plate pressing cylinder is fixedly connected to the gear plate pressing arm, and is used to drive the gear plate pressing arm to move up and down; The second positioning device includes a first skeleton coil positioning block group, a tooth plate assembly semi-finished product positioning block group, and a skeleton coil pressing cylinder, a first tooth plate assembly semi-finished product pressing cylinder, and a second tooth plate assembly semi-finished product pressing cylinder, which are respectively installed on the operating table surface. The first skeleton coil positioning block group is provided with a bracket for supporting the skeleton coil. The semi-finished product positioning block group of the tooth plate assembly is located on the right side of the first skeleton coil positioning block group. The semi-finished product positioning block group of the tooth plate assembly is provided with a bracket for supporting the semi-finished product of the tooth plate assembly. A first coil pressing arm is fixed on the power arm of the coil pressing cylinder, and the first coil pressing arm is located directly above the first skeleton coil positioning block group. The first tooth plate assembly semi-finished product pressing cylinder is located on the left side of the first skeleton coil positioning block group. A top block for pressing the left end of the semi-finished product of the tooth plate assembly is fixed on the power arm of the semi-finished product pressing cylinder of the first tooth plate assembly. The second tooth plate assembly semi-finished product pressing cylinder is located on the right side of the first skeleton coil positioning block group. A top block for pressing the right end of the semi-finished product of the tooth plate assembly is fixed on the power arm of the semi-finished product pressing cylinder of the second tooth plate assembly. The third positioning device includes a toothed plate positioning block group fixed on the operating table surface, a support rod positioning block group on each side, a second skeleton rotary tube positioning block group, and a toothed plate rotary tube semi-finished product pressing cylinder, a toothed plate rotary tube semi-finished product jacking cylinder, and a support rod jacking cylinder on each side, which are respectively installed on the operating table surface. The toothed plate positioning block group is provided with a positioning hole for inserting the toothed plate welding shaft, and the support rod positioning block group is provided with a bracket for supporting the skeleton support rod. The second skeleton rotary tube positioning block group is located on the left side of the toothed plate positioning block group. The coil positioning block group is provided with a bracket for supporting the skeleton coil, and a second coil clamping arm is provided directly above the skeleton coil support block group. The power arm of the toothed plate coil semi-finished product clamping cylinder is fixedly connected to the second coil clamping arm, and is used to drive the second coil clamping arm to move up and down; the toothed plate coil semi-finished product tightening cylinder is located on the left side of the skeleton coil support block group, and a pushing block for pressing the left end of the toothed plate coil semi-finished product is fixed on the power arm of the toothed plate coil semi-finished product tightening cylinder, and pushing blocks for pressing the skeleton support rods are fixed on the power arms of the two support rod tightening cylinders.

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