Rivet welding method for nut
A nut, riveting welding technology, applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve the problems of inconvenient operation, low processing accuracy, low processing efficiency, etc., to improve the firmness, improve processing accuracy and Processing efficiency, the effect of ensuring stability
Inactive Publication Date: 2014-01-22
SUZHOU ANJIE TECH
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Problems solved by technology
[0002] In the existing rivet welding method for nuts, during processing, deviations often occur after the nut and the copper sheet are welded, and the connection hole on the copper sheet and the threaded hole of the nut are not concentric, the processing accuracy is low, and the operation is inconvenient and the processing efficiency is low.
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[0017] The present invention will be further described below in conjunction with the accompanying drawings.
[0018] The rivet welding method of a kind of nut of the present invention comprises the following steps:
[0019] ①Apply even solder paste on the welding surface of the copper sheet with a connection hole at one end. The material of the copper sheet is high-conductivity red copper. The solder paste is coated in a circle around the connection hole. The difference between the radii of the connection holes is 4 mm, and the thickness of the solder paste is 3 to 5 microns;
[0020] ② Put the nut into the spot welding fixture 1 and fix it, and make the welding surface of the nut face up; the nut is halogen-free brass with a Vickers hardness between 150 and 200; figure 1 As shown, the spot welding fixture 1 includes a nut fixing hole 2 and a plurality of fixing grooves 3; the nut is placed in the nut fixing hole 2;
[0021] ③ Put the copper sheet coated with solder paste i...
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Abstract
The invention discloses a rivet welding method for a nut. The rivet welding method for the nut comprises the following steps that firstly, the welding surface of a copper sheet with one end provided with a connecting hole is evenly coated with solder paste, wherein the periphery of the connecting hole is coated with the solder paste; secondly, the nut is placed in a spot welding jig to be fixed, so that the center of a circle of the connecting hole and the center of a circle of a threaded hole of the nut are on the same axis; thirdly, the parameters, comprising the welding power, the spot welding pressure and the spot welding time, of a spot welding device are set; finally, the spot welding device is started, and the copper sheet is welded to the nut. According to the rivet welding method for the nut, due to the fact that the copper sheet and the nut are accurately located through the spot welding jig, the connecting hole of the copper sheet and the threaded hole of the nut are coaxial, and the machining precision and the machining efficiency are improved; due to the arrangement of the solder paste, the firmness of welding is improved; due to the material selection of the copper sheet and the nut, the stability of the whole is guaranteed in following-up machining.
Description
technical field [0001] The invention relates to a riveting and welding method for nuts, in particular to a riveting and welding method for nuts with high processing precision and high efficiency. Background technique [0002] In the existing riveting and welding method for nuts, deviations often occur after the nut and the copper sheet are welded, and the connecting hole on the copper sheet and the threaded hole of the nut are not concentric, the processing accuracy is low, and the operation is inconvenient and the processing efficiency is low. . Contents of the invention [0003] In view of the above-mentioned technical problems, the purpose of the present invention is to propose a riveting welding method for nuts with high machining accuracy and high efficiency. [0004] The technical solution of the present invention is realized like this: a kind of rivet welding method of nut is characterized in that: comprises the following steps: [0005] ① Apply uniform solder pas...
Claims
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IPC IPC(8): B23K1/00B23K1/20B23K37/04
CPCB23K1/0004B23K3/087
Inventor 王春生
Owner SUZHOU ANJIE TECH