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Temperature control circulation etching processing device for circuit boards

A technology for etching processing and circulating circuits, which is applied in educational appliances, instruments, teaching models, etc., to achieve the effects of low processing cost, easy operation and simple structure

Inactive Publication Date: 2012-06-27
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, special knives must be purchased, which requires full-time personnel to operate, and is not suitable for the majority of students.

Method used

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  • Temperature control circulation etching processing device for circuit boards
  • Temperature control circulation etching processing device for circuit boards

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Embodiment Construction

[0013] The following will be described in conjunction with the accompanying drawings.

[0014] figure 1 As shown, the temperature control cycle circuit board etching processing device of the present invention. It includes a box body 1, an etching working part 2, a liquid circulation system, a heating control device 3, and an electrical control part 4; the etching working part is installed in the box body;

[0015] l The box is a corrosion-resistant plastic box with an upper opening.

[0016] l The etching working part 2 includes a base 2-1 and a liquid flow slope part 2-2. The base is formed by welding the bottom plate and the front and rear side plates, wherein: the front and rear side plates are provided with several holes for liquid and wire through holes, and a pump box is arranged at the bottom plate and the front side plate; the liquid flow slope part is welded on the base; Liquid tank 2-3. In order to prevent liquid from spraying out during pumping, an inverted V-sh...

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Abstract

The invention relates to a temperature control circulation etching processing device for circuit boards, which mainly comprises a box, an etching working portion, a liquid circulation system, a heating control device and an electric control portion. The temperature control circulation etching processing device is characterized in that the etching working portion is mounted in the box and consists of a base and a liquid flowing slope portion, a bottom plate, a front side plate and a rear side plate are welded to form the base, a plurality of through holes are respectively disposed on the front side plate and the rear side plate, liquid can flow through the through holes, electric wires can penetrate through the through holes, a pump mounting box is disposed on the bottom plate, the front side plate and the rear side plate, the liquid flowing slope portion is welded on the base, a long liquid groove is disposed at the front end of the liquid flowing slope portion by the aid of a partition board, and an inverted-V-shaped baffle plate which prevents liquid from ejecting when the liquid is pumped is additionally mounted in the liquid groove. The temperature control etching processing device for circuit boards is simple in structure, simple and convenient in operation, quick in manufacture, low in processing cost and applicable to electronic design training for students and creative teaching experiments of schools.

Description

technical field [0001] The invention belongs to teaching equipment and devices, specifically a chemical etching manufacturing and processing device system for students majoring in electronics to make circuit boards easily and quickly. Background technique [0002] Circuit printed boards are used in almost all electronic instruments and equipment to provide positioning and electrical connections for electronic components, so that the products have good consistency. There are two general manufacturing methods: chemical etching and mechanical engraving. Generally, chemical etching methods are divided into different grades. The industrial grade is large in scale and takes a long time to process. Generally, the fastest is one week. The processing time of small-scale production methods is about 3 days. There are also some manual processing methods. Although this method is relatively fast There are many disadvantages, for example, the etching liquid cannot circulate, the liquid c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/18
Inventor 袁保生牛晋川杨凌郎文杰任福明
Owner ZHONGBEI UNIV
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