A fine wire impact welding device
A kind of micro-clamping device technology, applied in welding equipment, resistance welding equipment, metal processing equipment, etc., can solve the problems of electrode deformation, insufficient precision of fine wire centering, etc., to achieve high control accuracy, optimal joint mechanical properties, The effect of simple structure principle
Inactive Publication Date: 2020-06-09
WUHAN UNIV
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Problems solved by technology
[0003] The object of the present invention is to provide a weldable fine wire resistance welding device, which solves the problems of insufficient centering precision and electrode deformation during the welding process of the prior art.
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[0030] The present invention is illustrated below in conjunction with the accompanying drawings. In the following description process, unless otherwise specified, the axial direction of the fine wire to be welded, that is, the moving direction of the moving end 102 of the numerical control workbench 1, is the longitudinal direction, and the direction perpendicular to the direction is The direction is horizontal, and the front, back, left, and right relationships are all described with reference to the relative positional relationship of the drawings, and do not represent limitations on the scope of protection of the present invention.
[0031] Such as Figure 1 to Figure 5 As shown, a fine wire impact welding device includes a welding upsetting block 5, a welding sliding block 6, a wire pressing bow 7, four electrodes, a longitudinal translation device and an impact welding power supply;
[0032] Among them, the electrode A14 and the electrode B15 form the first electrode pair...
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The invention discloses a fine wire percussion welding device. The fine wire percussion welding device comprises a welding top forging block, a welding sliding block, a longitudinal translation devicefor driving the welding top forging block and the welding sliding block and a wire pressing arch; each of the welding top forging block and the welding sliding block is provided with a pair of annular electrodes which are controlled by a motor with a gearbox to rotate and a transverse clamping device which drives the two annular electrodes to be separated from and close to each other; the two pairs of annular electrodes are identical in outer diameter and coaxial in position correspondingly; the wire pressing arch is provided with a tensioning wire with the same diameter as a to-be-welded fine wire, the outer surfaces of the two pairs of annular electrodes are provided with coaxial wire grooves in a pressed mode under the matching of the transverse clamping device before welding, the wirepressing arch is taken away during welding, the wire grooves are used for placing the to-be-welded fine wire, and the concentricity of the wires is ensured; a numerical control workbench controls thepercussion speed; and a pre-stress setting device is used for presetting the welding pressure, so that the welding quality is ensured. The fine wire percussion welding device has the advantages thatthe structure is simple, the centering performance is good in the welding process, the precision is high, the positions can be changed automatically so as to replace electrodes, welding is controlledaccording to a process curve, and percussion welding of the fine wires is realized.
Description
technical field [0001] The invention belongs to the field of welding, and relates to a resistance welding device, in particular to a fine wire impact welding device. Background technique [0002] The rotatable electrode of impact welding uses the resistance heat generated by the current passing through the weldment and the contact as a heat source to locally heat the workpiece and simultaneously pressurize the workpiece locally for welding. After welding, the electrode is deformed, resulting in a change in dry elongation, which affects the welding quality; in the prior art, the electrode replacement method is used for impact welding, which is very cumbersome and inefficient. Contents of the invention [0003] The object of the present invention is to provide a weldable fine wire resistance welding device, which solves the problems of insufficient centering precision and electrode deformation during the welding process in the prior art. [0004] In order to solve the probl...
Claims
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IPC IPC(8): B23K11/00B23K11/36
CPCB23K11/00B23K11/36
Inventor 朱援祥郭嘉琳
Owner WUHAN UNIV