Pressure feedback scraper module

A feedback type, pressure technology, applied in rotary printing presses, printing, printing presses, etc., can solve the problems of poor contact, uneven force, no depth detection and compensation design of the squeegee blade, and achieve good printing. Quality, the effect of reducing errors

Inactive Publication Date: 2011-01-05
METAL INDS RES & DEV CENT
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] In the current printing operation, for large-area screen printing, it is often due to the slight drop in flatness, and the squeegee head does not have a depth detection and compensation design, and when the squeegee module is printing, it will cause solder paste Or the scraping thickness of the glue is uneven, resulting in the thickness of the solder paste or glue in the local area not meeting the design specifications, which may ca

Method used

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Embodiment Construction

[0068] In order to have a further understanding of the purpose of the present invention, structural features and functions thereof, the detailed description of the relevant embodiments and accompanying drawings is as follows:

[0069] Please also refer to figure 1 , figure 2 , image 3 and Figure 4 , figure 1 It is a schematic diagram of the first structure of the scraper module according to the embodiment of the present invention, figure 2 It is an example of the structure of the pressure control module 5 of the embodiment of the present invention, image 3 For the embodiment of the present invention is figure 1 a side view taken along the first section line C1, Figure 4 For the embodiment of the present invention is figure 1 A side view taken along the second section line C2. In this embodiment, the entire scraper module includes a sliding frame 1 , a pressurizing part 2 , a pressure sensing module 3 , a pressure control module 5 and a scraper seat 4 .

[0070] ...

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Abstract

The invention discloses a pressure feedback scraper module. The module comprises a scraper seat and a pressurizing part, wherein a scraping blade for contacting a soft substrate is arranged in the scraper seat; and the pressurizing part is connected with the scraper seat for applying pressure to the scraper seat; at least two pressure sensing modules are arranged at two sides of the scraper seat for sensing at least two pressure values transferred when the scraping blade contacts the soft substrate and outputting the pressure values to a pressure control module; and the pressure control module calculates a proper way for adjusting a pressurizing part according to the received pressure values so as to control the pressurizing strength and the pressurizing direction of the pressurizing part on the scraper seat. The pressure feed back scraper module can print a film with similar thickness on surfaces of objects which are to be printed and have different areas, reduces errors to achieve the practical effect of better printed quality, and can prevent that the scraper is too close to the soft substrate to scrap the surface of the soft substrate.

Description

technical field [0001] The invention relates to a scraper module, in particular to a pressure feedback scraper module which senses the pressure of a scraper contacting a soft substrate to adjust the pressure applied to the scraper. Background technique [0002] The scraper module in the prior art is installed in the printing machine, and can perform printing or scraping operations on hard or soft substrates such as flexible circuit boards, tapes, and films. For example, printing circuits on flexible circuit boards or printing solder paste, coating glue and other different materials, that is, the scraper module can scrape and print the solder paste and glue on the circuit board. Or, after the printing machine uses the printing head to print the conductive ink with conductive properties on soft substrates such as flexible circuit boards, tapes, and films, the excess ink is scraped off the above-mentioned flexible substrates by the scraper module . [0003] In the current pri...

Claims

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Application Information

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IPC IPC(8): B41F15/42
Inventor 刘冠志洪国凯
Owner METAL INDS RES & DEV CENT
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