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Plug-in short kettle opening

A plug-in, pot-mouth technology, applied in the field of plug-in tin furnace pot-mouth, can solve the problems of low work efficiency, unsuitable for large-scale batch processing, and easy to form virtual welding of contacts, and achieves the effect of ensuring adequacy and firmness.

Inactive Publication Date: 2010-08-11
SUZHOU MINGFU AUTOMATIC SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the above-mentioned various solders, especially when automatic selective point-to-point wave soldering is used to weld PCBA boards with dense solder joints, the work efficiency is low, it is not suitable for large-scale batch processing, and the joints are easy to form virtual soldering. The invention provides a tin furnace spout with simple structure, which can effectively improve welding efficiency and ensure the quality of welding joints

Method used

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Examples

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Embodiment Construction

[0012] Such as figure 1 Shown is a plug-in shortened spout, the mouth of the spout is provided with a tapered necking socket 1 , and at least one tin overflow opening 2 is provided on the edge of the necking socket 1 . The tin overflow port 2 is a rectangular hole with a depth of 3-4 mm.

[0013] Such as figure 2 As shown, the spout of the present invention is mainly applied to the welding of electronic components 3 with short single-row leads on the PCBA board 4, and there are other electronic components 3 with high height on both sides of the electronic components 3 to be welded. At this time, the shrink socket 1 can be well inserted into the periphery of the electronic components 3 to be soldered without touching other electronic components 3 in the periphery. On the PCBA board 4 , there are no other electronic components 3 outside the single row of leads or they are relatively far away, so that the tin liquid flowing out from the tin overflow port 1 will not flow onto t...

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Abstract

The invention relates to a tin furnace component for welding tin on PCBA plates, in particular to a plug-in kettle opening of a tin furnace. The mouth of the kettle opening is provided with a conical necking socket; and at least one tin spilling opening is formed on the edge of the socket. The plug-in short kettle opening with a simple structure can effectively improve welding efficiency and is applicable to large-scale automatic production. Besides, the plug-in short kettle opening can effectively prevent an oxide layer on a tin liquid surface layer from remaining on the surfaces of the PCBA plates, thereby guaranteeing the quality of welding spots.

Description

technical field [0001] The invention relates to a tin furnace component used for PCBA board soldering, in particular to a plug-in tin furnace pot. Background technique [0002] The usual wave soldering is usually manually operated, and the production efficiency is relatively low. For PCBA boards that require dense soldering points, this soldering method is even more insufficient. In addition, because the tin outlet is too small (generally 2 mm long), it will bring Tin slag blocks the mouth of the pot, which leads to a large area of ​​false soldering; for PCBA boards with denser solder joints, there are also pot mouth structures, but the usual tin furnace pot mouth is designed as a flat mouth, in order to realize PCBA board Soldering operation generally needs to keep a distance between the PCBA board and the spout. On the one hand, it is ensured that the tin liquid sprayed from the spout can solder the electrical components on the PCBA board above, and at the same time, it is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K3/34
Inventor 庄春明
Owner SUZHOU MINGFU AUTOMATIC SCI & TECH
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