Automatic plane screen paste printing technology for metalizing ceramic discharge tube

A ceramic discharge tube and metallization technology, applied in screen printing machines, printing, printing machines, etc., can solve the problems of low efficiency of manual screen printing paste, grooves on the surface of printing paste, large thickness deviation of paste layer, etc. Achieve the effect of improving the rate of high-quality products, fewer operators, and good consistency

Active Publication Date: 2012-06-13
XIAOGAN HANDA ELECTRONICS COMPONENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main feature of the above-mentioned traditional manual screen painting process is that it is easy to operate, but the thickness deviation of the paste layer of manual screen printing is large and the consistency is poor. Paste printing is carried out in a constant temperature and humidity environment. The paste needs to be heated in a constant temperature water bath, and the white porcelain parts must also ensure a certain temperature. There are many control parameters and the quality is difficult to guarantee. In addition, the manual screen printing paste is inefficient and requires many operators.

Method used

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  • Automatic plane screen paste printing technology for metalizing ceramic discharge tube
  • Automatic plane screen paste printing technology for metalizing ceramic discharge tube
  • Automatic plane screen paste printing technology for metalizing ceramic discharge tube

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specific Embodiment approach

[0037] 1. Ointment preparation: Prepare the prepared metallized molybdenum-manganese paste powder, ethyl cellulose solution, and terpineol in a certain proportion to make an ointment, and adjust the viscosity of the ointment at 5-10Pa·s.

[0038] 2. If figure 1 , figure 2 As shown, a special eccentric fixture is used to fix the porcelain piece 1, which can be used without drying.

[0039] 3. Install the special stainless steel sieve 8 on the automatic flat screen printing machine. The mesh of the stainless steel sieve 8 is 100 mesh, the tension is about 300±20N / ㎝2, and the room temperature environment.

[0040] 4. If image 3 , Figure 4 As shown, adjust the squeegee 6 of the automatic flat screen printing machine, and the squeegee 6 is pressed on the porcelain piece 1 and all parts are evenly stressed; the stage 10 is adjusted to raise the distance between the porcelain piece 1 and the stainless steel screen 8 wire mesh Appropriate; adjust the slurry leakage knife 7 so t...

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Abstract

The invention discloses an automatic plane screen paste printing technology for metalizing a ceramic discharge tube. Apart from a paste preparation step, the technology also comprises the following steps of: 1) fixing a ceramic piece; 2) mounting a stainless steel sieve, wherein the screen mesh of the stainless steel sieve is 100, and tension is about 300+/-20 N/cm<2>; 3) adjusting a doctor blade, an objective table and a leakage blade; 4) uniformly distributing the paste; and 5) printing the paste. Through the invention, the metallized paste layer has uniform thickness, good consistency and smooth surface; the technology adopts automatic operation and has high paste coating efficiency; and the process is easy to control, and the quality is easy to guarantee.

Description

technical field [0001] The invention relates to a ceramic discharge tube metallization printing paste process, in particular to a ceramic discharge tube metallization automatic plane screen printing paste process. Background technique [0002] The ceramic metallization screen printing paste process is to print a layer of metal paste on the surface of the ceramic, and after burning hydrogen, it can realize a firm connection between the ceramic and the metal layer. The traditional manual screen painting process is to manually brush the metal paste on the surface of ceramic parts with a brush, and burn hydrogen after drying. The general method is: 1. Prepare the prepared metallized molybdenum-manganese paste powder, ethyl cellulose solution, and terpineol in a certain proportion to make a paste; 2. Bond the discharge tube with cotton glue solution or methyl cellulose solution On the special flat glass, use an infrared drying oven to dry; 3. Brush a layer of metallization paste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F15/08B41M1/12
Inventor 林迎政
Owner XIAOGAN HANDA ELECTRONICS COMPONENT
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