Automatic welding device for vehicle body-in-white

An automatic welding, body-in-white technology, applied in welding equipment, resistance welding equipment, electrode features, etc., can solve the problems of unfavorable promotion, high initial investment and maintenance costs, and achieve compact and simple structure, high quality consistency, and low investment and maintenance costs. Effect

Inactive Publication Date: 2013-03-13
SAIC-GM-WULING AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has powerful functions, high degree of automation, high motion precision, good quality consistency, and strong flexibility, but the initial investment and later maintenance costs are high, and special technical personnel are required, which is not conducive to rapid promotion in large areas

Method used

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  • Automatic welding device for vehicle body-in-white
  • Automatic welding device for vehicle body-in-white
  • Automatic welding device for vehicle body-in-white

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] Such as figure 1 As shown, the Z-axis load module with welding tongs 17 is connected to the multi-axis linear module, and the rotation module converts the rotation of the motor 4 into rotary motion. In the multi-axis linear module, the motor 4 is connected to the ball screw 12 through the coupling 10 The nut on the screw rod is connected with the slider 6 on the linear guide rail 13 for guiding through the working plate 18, and the screw rod 12 is driven to rotate by the rotation of the motor 4, so that the nut on the screw rod 12 can be rotated along the screw rod 12. Then the nut pushes the table plate 18 and the slider 6 to move linearly along the linear guide rail 13, and finally realizes turning the rotary motion of the motor 4 into a linear motion along the linear guide rail 13, through the combination of rotary motion and linear motion Realize the welding of three-dimensional solder joints within the mechanical stroke, wherein the multi-axis linear module include...

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PUM

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Abstract

The invention discloses an automatic welding device for a vehicle body-in-white, which can simulate an industrial robot to perform the automatic welding operation, has a simple and smart structure, is convenient to operate, ensures higher quality uniformity, higher flexibility, lower investment and maintenance cost and higher production efficiency, and can be rapidly assembled by means of standard modules to adapt to different welding objects. A Z-axis load module with welding tongs is connected with a multi-axis linear module; a rotary module converts the rotation of a motor into a rotary motion; the multi-axis linear module comprises an X-axis linear module and the Z-axis load module; and the X-axis linear module, the Z-axis load module and the rotary module are linked through a multi-axis linkage numerical control unit to perform the welding operation.

Description

technical field [0001] The invention relates to the technical field of automobile body welding, in particular to an automatic welding device for automobile body in white. Background technique [0002] In the car body-in-white, a relatively large proportion of resistance spot welding spots are three-dimensionally distributed in space, and the number is large, such as side walls, door covers, skirts, etc. For these areas on the body-in-white, the current mature resistance spot welding technologies include manual spot welding, special plane multi-spot welding and robot spot welding. [0003] Manual spot welding refers to the welding of workpieces point by point by manual hand holding spot welding tongs. It has great flexibility and relatively low cost, but there are disadvantages such as inaccurate manual positioning, low consistency and appearance quality of solder joints, poor ergonomics of solder joints in special positions, and with the continuous rise of domestic labor co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/30B23K11/11
Inventor 黄荣覃家仁肖勇何广邦方海鸥
Owner SAIC-GM-WULING AUTOMOBILE CO LTD
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