Single-face double-point welding process for automobile

A welding process and double-spot welding technology, applied in welding equipment, manufacturing tools, metal processing, etc., can solve the problems of inability to accurately control the welding tongs, reduce the welding effect, and narrow electrode space, and achieve stability and adaptability to multiple models Improvement, welding effect is good, and the effect of reducing operation difficulty

Inactive Publication Date: 2016-03-09
天津七所高科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For most cars, there are some solder joints that are very difficult to weld. The main features are: ①The welding depth is large, resulting in a large size of the welding tongs, which cannot be operated manually; Welding tongs enter
For the automobile welding production line, the forced use of large welding tongs will greatly reduce the welding speed, reduce the welding effect, increase the manpower input of the equipment, and also increase the instability of the welding process and the difficulty of equipment maintenance

Method used

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  • Single-face double-point welding process for automobile
  • Single-face double-point welding process for automobile
  • Single-face double-point welding process for automobile

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] figure 1 It is a structural schematic diagram of the present invention, figure 2 It is a side schematic diagram of the shaft of the gantry slide-out mechanism of the special welding machine of the present invention, image 3 It is a side schematic diagram of the single-sided double-point welding tongs and the welding plane moving structure of the welding tongs of the present invention, Figure 4 It is a side schematic diagram of the upper and lower electrode structure axes of single-sided double-point welding of the present invention; as figure 1 , image 3 The one-side double-point welding process shown in the figure includes a special welding machine 1, a special fixture for automobile welding 2, a transformer 3, a single-side double-point welding clamp 4, a single-side double-point welding mechanism 5, a gantry steel structure 6, and a gantry slide Exit mechanism 7, gantry base 8, welding tongs welding plane moving structure 9, upper electrode 10, lower electrode...

Embodiment 2

[0046] figure 1 It is a structural schematic diagram of the present invention, figure 2 It is a side schematic diagram of the shaft of the gantry slide-out mechanism of the special welding machine of the present invention, image 3 It is a side schematic diagram of the single-sided double-point welding tongs and the welding plane moving structure of the welding tongs of the present invention, Figure 4 It is a side schematic diagram of the upper and lower electrode structure axes of single-sided double-point welding of the present invention; as figure 2 The one-side double-point welding process shown in the figure includes a special welding machine 1, a special fixture for automobile welding 2, a transformer 3, a single-side double-point welding clamp 4, a single-side double-point welding mechanism 5, a gantry steel structure 6, and a gantry slide Exit mechanism 7, gantry base 8, welding tongs welding plane moving structure 9, upper electrode 10, lower electrode island 11,...

Embodiment 3

[0049] figure 1 It is a structural schematic diagram of the present invention, figure 2 It is a side schematic diagram of the shaft of the gantry slide-out mechanism of the special welding machine of the present invention, image 3 It is a side schematic diagram of the single-sided double-point welding tongs and the welding plane moving structure of the welding tongs of the present invention, Figure 4 It is a side schematic diagram of the upper and lower electrode structure axes of single-sided double-point welding of the present invention; as Figure 4 The one-side double-point welding process shown in the figure includes a special welding machine 1, a special fixture for automobile welding 2, a transformer 3, a single-side double-point welding clamp 4, a single-side double-point welding mechanism 5, a gantry steel structure 6, and a gantry slide Exit mechanism 7, gantry base 8, welding tongs welding plane moving structure 9, upper electrode 10, lower electrode island 11,...

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PUM

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Abstract

The invention aims at providing a single-face double-point welding process for an automobile. The process is characterized in that the process involves a special welding machine, automobile welding special clamps, a transformer, single-face double-point welding tongs, single-face double-point welding mechanisms, a gantry steel structure, gantry sliding-out mechanisms, gantry bases, a welding tong welding plane moving structure, upper electrodes, lower electrode islands, conductive bridges and locating connection parts; the transformer and the single-face double-point welding tongs are carried on the special welding machine, single-side double-electrode welding is adopted by the special welding machine, and the transformer is mounted on the top of the special welding machine. The process has the beneficial effects that full manual operation for welding can be achieved, only two workers are needed, and large heavy welding tongs are not used; the welding tongs are fixed to the special welding machine and are light, easy to operate and good in welding effect; on the basis that the functional requirement is met, the investment cost is lowered to a great extent, the operation difficulty of the workers is lowered, and the stability and multi-vehicle-type adapting capacity of equipment are greatly improved.

Description

technical field [0001] The invention relates to the field of automobile welding, in particular to an automobile single-sided double-point welding process. Background technique [0002] Today, spot welding is a high-speed, economical joining method. It is suitable for the manufacture of stamped and rolled thin plate members that can be overlapped, the joints do not require airtightness, and the thickness is small. It can weld individual points of the weldment on the contact surface of the joint. Spot welding is usually divided into two categories: double-sided spot welding and single-sided spot welding. During double-sided spot welding, the electrodes are fed from both sides of the workpiece to the weld. In the typical double-sided spot welding method, there are electrode indentations on both sides of the workpiece, and the conductive plate with a large welding area is used as the lower electrode, which can eliminate or reduce the indentation of the workpiece below, and is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/11B23K11/31B23K11/36
CPCB23K11/11B23K11/31B23K11/36B23K2101/006
Inventor 胡敏周晶熊威
Owner 天津七所高科技有限公司
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