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Halftone fixing device of printing machine

A fixing device and printing machine technology, which is applied to printing machines, rotary printing machines, screen printing machines, etc., can solve the problems of low scraping quality, lower repeatability, and poor fixing effect, so as to ensure scraping accuracy, The effect of simple structure

Inactive Publication Date: 2013-06-05
XIAN ZHONGKEMAITE ELECTRONICS TECH EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the first process of "solder paste printing", the solder paste is printed on the PCB board through a specific template commonly known as "stencil". The position of the stencil must be fixed during the scraping process, and the size of the stencil is often large Different, the prior art does not have a good effect on fixing the position of the stencil during the scraping process, resulting in a decrease in the repeatability of each scraping and low quality of scraping

Method used

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  • Halftone fixing device of printing machine

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Embodiment Construction

[0011] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0012] Referring to the accompanying drawings, the screen fixing device of the printing machine includes a guide rail 4 fixedly installed on the printing machine body, the guide rail 4 is provided with a sliding block 3 slidingly connected with it, and the inner side of the sliding block 3 is provided with a fixing groove 2 for fixing A screen plate 1 is installed in the groove 2, and a fastening wrench 5 is installed on the upper part of one end connected to the slide block 3 and the guide rail 4.

[0013] The fixing screws 6 fix the screen plate 1 in the fixing groove 2 .

[0014] After such installation, adjust the distance between the two sliding blocks 3 according to the length of the screen plate 1, so that the distance between the two fixing grooves 2 is suitable for the length of the screen plate 1. After the adjustment, tighten the tightening w...

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Abstract

The invention discloses a halftone fixing device of a printing machine. The halftone fixing device of the printing machine comprises a guide rail which is fixedly installed on a printing machine body. Sliding blocks connected with the guide rail in a sliding mode are placed on the guide rail, fixing grooves are formed on the inner sides of the sliding blocks, and a halftone is installed inside the fixing grooves. A fastening spanner is placed on the upper portions of one ends of the sliding blocks, wherein the one ends of the sliding blocks are connected with the guide rail. The distance between two sliding blocks is adjusted according to different lengths of the halftone, so that the distance between two fixing grooves is enabled to be suitable for the lengths of the halftone. After the distance between the two sliding blocks is adjusted, the fastening spanner is screwed tightly, and the halftone is fixed inside the fixing grooves by screwing of fastening screws to finish fixing of the halftone. The halftone fixing device of the printing machine has the advantages of being simple in structure, high in precision and wide in purpose.

Description

technical field [0001] The invention relates to a screen fixing mechanism, in particular to a screen fixing device of a printing machine. Background technique [0002] In the SMT production process, there are three processes to go through: 1. Solder paste printing 2. Mounter placement or manual placement 3. Soldering by reflow soldering machine. In the first process of "solder paste printing", the solder paste is printed on the PCB board through a specific template, commonly known as "stencil". The position of the stencil must be fixed during the scraping process, and the size of the stencil is often large. Different, the prior art does not have a good effect on fixing the position of the stencil during the scraping process, which leads to a reduction in the repeatability of each scraping and a low quality of scraping. Contents of the invention [0003] Aiming at the problems existing in the prior art, the object of the present invention is to provide a screen fixing mech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F15/36
Inventor 何锐梁保华
Owner XIAN ZHONGKEMAITE ELECTRONICS TECH EQUIP
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