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jet welding device

A welding device and jet-type technology, which is applied in the direction of welding equipment, tin feeding equipment, metal processing equipment, etc., can solve the problems that the total time exceeds the specified time, slow down the substrate transmission speed, and the secondary jet contact time becomes longer, etc. , to achieve the effect of jet stabilization and jet width adjustment

Active Publication Date: 2021-08-31
ORMON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the transfer speed of the substrate is slowed down and the primary jet contact time is extended, the secondary jet contact time will also be longer, and the total time will exceed the specified time.

Method used

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Experimental program
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Embodiment Construction

[0054] refer to figure 1 and figure 2 An example of applying the present invention will be described. figure 1 It is a sectional view showing the main part of the jet welding apparatus of this embodiment. figure 1 Indicates the jet welding device when the jet width of the secondary jet nozzle is adjusted to the minimum. figure 2 It is a cross-sectional view showing an example of a secondary jet nozzle whose jet width is adjusted to the maximum.

[0055] Such as figure 1 As shown, the jet flow soldering apparatus 1 solders a printed circuit board 100 as an object. The jet welding device 1 includes a primary jet nozzle 5 , a secondary jet nozzle 6 , and pipes 42 and 43 . The primary jet nozzle 5 and the secondary jet nozzle 6 are installed in a solder tank for containing molten solder, and jet the molten solder to the printed circuit board 100 .

[0056] The primary jet nozzle 5 generates a wavy jet. The primary jet nozzle 5 includes a nozzle body 51 , a nozzle cap 52 , a...

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PUM

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Abstract

The invention provides a jet flow welding device, which can adjust the width of the jet flow and can stabilize the jet flow. The nozzle includes: a cylindrical nozzle body, an adjustment plate for adjusting the spray flow width of the nozzle, and a straightening plate fixed to the adjustment plate. The lower end of the adjustment plate is rotatably supported on the inner wall surface of the nozzle main body parallel to the support shaft by using the shaft perpendicular to the traveling direction of the object and parallel to the horizontal plane as a support shaft. The nozzle also includes a first mechanism to rotate the adjustment plate. The straightening plate is fixed to the surface of the adjustment plate on the opposite side to the inner wall surface, and is parallel to the flow path direction of the nozzle. A plurality of holes are formed in the rectifying plate.

Description

technical field [0001] The present invention relates to a jet welding device. Background technique [0002] In recent years, lead-free solder has been used in consideration of the influence on the environment. Lead-free solder has a high melting point, so it has a high thermal influence on the substrate and mounting parts, and it is necessary to manage so that the contact time between the solder and the substrate does not exceed the specified time. In a jet welding device, welding is performed by a primary jet and a secondary jet. Therefore, it is necessary to limit the total time of the contact time of the primary jet with the substrate (hereinafter referred to as the primary jet contact time) and the contact time of the secondary jet with the substrate (hereinafter referred to as the secondary jet contact time) to within Within a predetermined time. [0003] On the other hand, the heat capacity increases due to the increase in thickness due to the multilayering of the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K3/06
CPCB23K3/0607B23K3/0646B23K3/0653
Inventor 奥山博光
Owner ORMON CORP