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C-shaped servo welding tongs assembly of power-assisted manipulator

A technology for assisting manipulators and welding tongs, applied in welding equipment, resistance welding equipment, resistance electrode bases, etc., can solve the problems of upper and lower electrode centering deviation, reduce welding firmness, etc., to solve the centering deviation, simple structure, avoid Dangerous effect of flipping the welding tongs too fast

Pending Publication Date: 2018-10-12
义乌中科机电设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At the same time, the present invention also provides a C-type servo welding tongs assembly with a power-assisted manipulator without deflection in the centering of the welding upper and lower electrodes, high rigidity of the caliper body, and firm welding; it solves the problem of centering of the upper and lower electrodes in the prior art Deviation, the formation of elliptical solder joints, reducing the technical problems of welding firmness

Method used

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  • C-shaped servo welding tongs assembly of power-assisted manipulator
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  • C-shaped servo welding tongs assembly of power-assisted manipulator

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Embodiment

[0019] Such as figure 1 As shown, a C-shaped servo welding tongs assembly of a power-assisted manipulator includes a C-shaped tongs body 3. The tongs body 3 is made of 7075 aviation aluminum for lightweight design and has a throat depth of 900 mm. The pliers body 3 includes an upper pliers body 11 , a lower pliers body 6 and a connecting body 5 , and the upper and lower pliers bodies are connected through the connecting body 5 . An upper electrode 8 is installed on the upper clamp body 11 , and a lower electrode 7 is installed on the lower clamp body 6 . A servo press-down mechanism 9 is installed above the upper electrode 6 , and the downward extension of the upper electrode 8 is realized through the servo press-down mechanism 9 . An operating mechanism 1 is connected to the rear of the upper jaw body 11 , and an operating handle 2 is connected to the operating mechanism 1 . A U-shaped connecting bracket 10 is fixed in the middle of the upper pliers body 1 . The upper plie...

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Abstract

The invention relates to spot welding equipment, in particular to a C-shaped servo welding tongs assembly of a power-assisted manipulator. The C-shaped servo welding tongs assembly comprises an uppertongs body and a lower tongs body. An upper electrode is fixed on the upper tongs body, and a lower electrode is fixed on the lower tongs body. A servo pressing mechanism is arranged on the upper tongs body, a connecting bracket is arranged on the upper tongs body, and an overturning mechanism is arranged on the connecting bracket. The overturning mechanism comprises a deceleration member and a rotating support member. The deceleration member is fixed on the connecting bracket, the output end of the deceleration member is connected with the upper tongs body, and the upper tongs body rotates around the rotating support member. By the adoption of the C-shaped servo welding tongs assembly, micro adjustment in the up-down direction of welding tongs can be realized, stable welding of small-angle curved surfaces can be realized, the nugget offset is reduced due to the reasonable temperature field distribution of welding spots, and the cost is low. The C-shaped servo welding tongs assembly solves the technical problems that only horizontal welding spots can be welded, elliptical unqualified welding spots are easily generated by small-angle manual extension welding, and the cost is high inthe prior art.

Description

technical field [0001] The invention relates to spot welding equipment, in particular to a C-type servo welding tongs for spot welding of the end walls of subway vehicle bodies on rail transit. Background technique [0002] The rail transit servo resistance spot welding welding system is mainly used in the spot welding operation of the end wall of the subway vehicle body. The car body in the rail transit industry is made of stainless steel, which has the advantages of good fire safety, corrosion resistance, impact energy absorption characteristics, light weight and low maintenance cost. With the development of resistance spot welding technology, resistance spot welding technology is widely used in the manufacture of stainless steel body of rail transit vehicles. Resistance spot welding is a method of resistance welding that assembles weldments into lap joints, presses them between two electrodes, passes current through them, and uses resistance heat to melt the base metal t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/11B23K11/31B23K11/36
CPCB23K11/11B23K11/115B23K11/31B23K11/314B23K11/36
Inventor 于成浩王哲王玉奎张毅朱春东
Owner 义乌中科机电设备有限公司
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