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Method for welding mother-daughter board connector long needle

An inter-board connector and welding method technology, applied in welding equipment, printed circuits, manufacturing tools, etc., can solve the problems of poor product consistency, difficult to control tin amount, difficult operation, etc., to avoid errors and control the amount of tin Accurate, good tin penetration effect

Active Publication Date: 2014-03-05
NO 771 INST OF NO 9 RES INST CHINA AEROSPACE SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For a long time, the welding method of the long pins of the inter-board connector on the printed board assembly has been traditionally soldered with a soldering iron. However, this method has many disadvantages such as difficult operation, low efficiency, and poor product consistency.
And for a four-row board-to-board connector with a pin spacing of 1.27mm, the middle two rows of pins are difficult for soldering iron to enter, soldering is difficult, and the amount of tin is not easy to control

Method used

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  • Method for welding mother-daughter board connector long needle
  • Method for welding mother-daughter board connector long needle
  • Method for welding mother-daughter board connector long needle

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0024] The invention provides a welding method for long lead pins of inter-board connectors, which uses hot air to heat tin rings to realize the welding of long lead pins of inter-board connectors, and can also control the amount of tin while realizing welding, including the following operate:

[0025] 1) Tightly wrap the solder wire on a support rod whose diameter is equivalent to the long lead pin of the board-to-board connector, and then cut the solder wire on the support rod. Solder ring, and then flatten the solder ring;

[0026] 2) Put one or more flattened solder rings on the bottom of the long pins of the connector, and blow hot air into the board-to-board connector after laying it flat to heat the solder rings. The hot air will melt the solder rings and make them enter the Between ...

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Abstract

The invention discloses a method for welding a mother-daughter board connector long needle. The method includes the steps that a tin wire tightly winds a supporting bar, wherein the diameter of the supporting bar corresponds to that of the mother-daughter board connector long needle; then the tin wire on the supporting bar is cut, after one side of the tin wire to be welded is cut, a solder ring with openings in two sides is obtained, and then the solder ring is flattened; one or more flattened solder rings are arranged at the bottom of the mother-daughter board connector long needle in a sleeved mode, after the mother-daughter board connector long needle is horizontally arranged, hot air is blown into a mother-daughter board connector to heat the flattened solder rings, the hot air melts the flattened solder rings and enables the flattened solder rings to enter the position between a printing plate and the mother-daughter board connector long needle, after the solder rings are completely molten, the hot air stops being blown, the molten solder rings naturally cool, and the solidified solder rings connect the mother-daughter board connector long needle with the printing plate. The method avoids soldering of long needles distributed densely, avoids difficult operations and errors brought by the operations, and is simple and convenient to operate, and more importantly, control of the amount of tin is more accurate in the welding process.

Description

technical field [0001] The invention belongs to the technical field of welding of printed board components, and relates to a welding method for long pins of inter-board connectors. Background technique [0002] For a long time, the traditional manual soldering iron welding method has been used for the welding of the long pins of the inter-board connector on the printed board assembly. However, this method has many disadvantages such as difficult operation, low efficiency, and poor product consistency. And for the four-row inter-board connector with pin spacing of 1.27mm, the middle two rows of pins are difficult for soldering iron to enter, soldering is difficult, and the amount of tin is not easy to control. [0003] In recent years, with the rapid development of computer product technology, the requirements for product miniaturization are getting higher and higher, and the large-scale use of inter-board connectors has become an inevitable trend, and the welding method of l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K1/012B23K1/20
CPCB23K1/0016B23K1/012B23K1/20B23K2101/42
Inventor 黄文红朱静刘军杜磊
Owner NO 771 INST OF NO 9 RES INST CHINA AEROSPACE SCI & TECH
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