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Automatic welding machine for automobile main beams

A technology of automatic welding machine and main beam, which is applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., and can solve the problems of high labor intensity, poor welding quality, and low work efficiency for operators

Inactive Publication Date: 2010-10-20
TIANJIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the field of automobile manufacturing, the welds of the inner and outer plates of the main girder of the automobile are mainly welded manually. This manufacturing method causes problems such as high labor intensity for operators, poor welding quality, and low work efficiency.

Method used

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  • Automatic welding machine for automobile main beams
  • Automatic welding machine for automobile main beams
  • Automatic welding machine for automobile main beams

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Embodiment 1

[0016] As shown in Fig. 14, the automatic main beam welding machine provided by the present invention is used for welding the inner plate and outer plate of the main beam of various automobile frames such as SUV cars and pickup trucks. Using two CO 2 The shielded welding machine is used to weld the left and right two seams respectively. The main technology of automatic welding is to make the welding torch produce precise trajectory and move at a uniform speed during welding. Its structure and working principle are as follows:

[0017] The automatic welding machine includes a frame composed of a column assembly, an upper beam assembly 1, and a lower beam assembly 10. It is characterized in that a set of laterally moving cams 16 and a set of vertically moving cams 17 are installed on the upper beam assembly; The lower beam assembly is equipped with a set of air cylinders or hydraulic cylinders and a set of toggle mechanisms to form a lateral clamping device; the upper beam ass...

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Abstract

The invention relates to an automatic welding machine for automobile main beams, which is used for the automatic welding of various automobile main beams (also called longitudinal beams or boundary beams). The automatic welding machine comprises a column assembly, an upper beam assembly and a lower beam assembly, wherein the upper beam assembly is provided with a horizontal moving cam and a vertical moving cam; a group of cylinders or hydraulic cylinders are installed in the lower beam assembly and are horizontally clamped by a group of toggle rod mechanisms; and the upper beam assembly is provided with a Type 20 linear guide rail, a sliding block, a welding gun sliding rack, a welding gun supporting assembly, a welding gun and a driving motor; and an output shaft of the motor is provided with an electromagnetic coil used for being absorbed on the horizontal moving cam and dragging the welding gun sliding rack to move. The motor moves by using stepless speed regulating motor and an electromagnetic absorption manner, which can enable the welding gun provided with a double cam-guided three-dimensional track moving system to realize a uniform motion along the track to the greatest extent. The automatic welding machine has the advantages of fine track repeatability, low cost and reliable work. By using the pneumatic (or hydraulic) clamping and toggle rod reinforcement technology, the cylinder of about 4kN can reach 35kN after being reinforced, thereby meeting the requirements for clamping force, and enhancing the workpiece locating accuracy.

Description

【Technical field】: [0001] The invention belongs to the technical field of automobile manufacturing, and relates to automatic welding equipment for automobile main girders. 【Background technique】: [0002] At present, in the field of automobile manufacturing, the welds between the inner plate and the outer plate of the main girder of the automobile are mainly welded manually. This manufacturing method causes problems such as high labor intensity for operators, poor welding quality, and low work efficiency. 【Invention content】: [0003] The object of the present invention is to provide an automatic welding machine for automobile main girders in order to overcome the above-mentioned deficiencies in the prior art. It is used for the automatic welding of the inner plate and outer plate of the main girder of the automobile frame. [0004] The automobile main beam automatic welding machine provided by the present invention includes a frame composed of a column assembly, an upper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00B23K37/02B23K37/04B23K37/053
Inventor 付丽陈锡栋
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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