Selective spraying machine

A selective, sprayer technology, applied in conveyors, tin feeding devices, auxiliary devices, etc., can solve the problems of polluted environment cleaning, increased production cost, low production efficiency, etc., to reduce pollution, low production cost, and save flux. Effect

Inactive Publication Date: 2011-05-04
XIAN ZHONGKEMAITE ELECTRONICS TECH EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the market price of selective wave soldering machines is high, and the production efficiency is low. Therefore, many production-oriented enterprises use traditional wave soldering machines for soldering. Printed board) is installed on a special jig, which can cover the area that does not need to be welded, but this production method is very wasteful of flux, greatly increases the production cost, and pollutes the environment and is inconvenient to clean

Method used

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Embodiment Construction

[0034] Such as Figure 1-4 A selective spraying machine shown includes a conveying part 1 that drives the printed circuit board forward in a predetermined direction, and a selective flux coating part 2 that can spray flux on the printed circuit board. The conveying part 1 Comprising a motor 3, the motor 3 is installed on the frame one 4, the power output shaft of the motor 3 is connected with the drive shaft 5, and the drive shaft 5 is equipped with a drive sprocket 1 6 and a drive sprocket 2 7, and the drive sprocket One 6 is connected with a driven sprocket one 9 through a special transmission chain one 8, and the driving sprocket two 7 is connected with a driven sprocket two 11 through a special transmission chain two 10, and a guide rail one 12 is arranged below the special transmission chain one 8 , the special conveying chain two 10 below are provided with guide rail two 13, and between guide rail one 12 and guide rail two 13, are provided with lead screw 14 and feed rod...

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Abstract

The invention discloses a selective spraying machine, which comprises a conveying part and a selective soldering flux coating part, wherein the conveying part comprises a motor, the power output shaft of the motor is connected with a driving shaft, a driving chain wheel I and a driving chain wheel II are arranged on the driving shaft, the driving chain wheel I is connected with a driven chain wheel I through a special conveying chain wheel I, the driving chain wheel II is connected with a driven chain wheel II through a special conveying chain wheel II, guide rails I and II are arranged below the special conveying chain wheels I and II respectively, a lead screw and a feed rod are arranged in parallel between the guide rail I and the guide rail II, and one end of the lead screw is connected with a worm gear; and the selective soldering flux coating part comprises an automatic spraying gun which can move freely in X, Y and Z directions. The selective spraying machine has the characteristics of simple structure, convenience for use, flux saving capacity, high automation, pollution reducing capacity, subsequent washing process obviating capacity, low production cost and convenience for popularization.

Description

technical field [0001] The invention relates to a device for coating flux before wave soldering of a PCB, that is, an electronic printed board, in particular to a selective spraying machine. Background technique [0002] With the development of SMT (surface mount technology), surface mount components on PCB (circuit printed board) have replaced through-hole components as mainstream components, and there is a great trend to further replace through-hole components. , But judging from the current technological development, some devices, such as power devices, plugs and sockets, etc. must also use through-hole devices, and these local through-hole devices must be soldered with a wave soldering machine. [0003] At present, there are two kinds of process routes for wave soldering machine welding, one is to use selective wave soldering machine for welding, and the other is to use traditional wave soldering machine for welding. At present, the market price of selective wave solder...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K3/06B23K3/08H05K3/34B65G17/26B65G17/30B65G21/22
Inventor 曹捷张国琦麻树波潘海俊
Owner XIAN ZHONGKEMAITE ELECTRONICS TECH EQUIP
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