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Silk screen printing device

A technology of screen printing device and printing table, applied in screen printing machine, printing, printing machine and other directions, can solve the problem of high processing precision, and achieve the effect of reducing resistance, improving economic benefits, and reducing the risk of fragmentation

Active Publication Date: 2015-05-20
TRINA SOLAR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this design requires high processing precision, and additional control is required to ensure that the gas is well passed into the corresponding holes of the printing platform to break the vacuum reliably, and to turn off the compressed air in time after the vacuum is broken.

Method used

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  • Silk screen printing device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] like figure 1 Shown, a screen printing device, including a rotary platform 9, a printing table 1, a jacking mechanism and an air supply mechanism, the rotary platform 9 has four printing tables 1, each printing table 1 has a supporting jacking mechanism, exist figure 1 The structure of all the jacking mechanisms is not fully shown in the figure. In the jacking mechanism, there is a vacuum breaking air circuit 2 that ventilates to the bottom of the cells on the printing table 1 to break the vacuum. The inlet of the vacuum breaking air circuit 2 is located in the jacking On the lifting moving parts of the mechanism, when the jacking mechanism is in the initial position of the rising top piece, the inlet of the vacuum breaking air circuit 2 is located within the blowing range of the air supply mechanism, and the air supply mechanism starts to blow to the vacuum breaking air circuit in a controlled manner. Into the air, the inlet of the vacuum breaking air circuit breaks a...

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PUM

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Abstract

The invention relates to a silk screen printing device which comprises a printing table, a jacking mechanism and a gas supply mechanism. The jacking mechanism is internally provided with a vacuum breaking gas circuit; and the gas supply mechanism fills gas to the bottom of a cell slice to carry out vacuum breaking by the vacuum breaking gas circuit. The silk screen printing device has the beneficial effects that on the basise of sufficiently utilizing an existing silk screen printing device structure, by adding the vacuum breaking gas circuit into the jacking mechanism, the vacuum adsorption effect between the cell slice and the printing table is rapidly broken, so that no adsorption force exists between the cell slice and the printing table, and thus, when the jacking mechanism is in contact with the cell slice, resistance of the vacuum effect applied to the cell slice is reduced and the slice breaking risk is reduced; and the silk screen printing device has good economic benefits.

Description

technical field [0001] The invention relates to a screen printing device. Background technique [0002] At present, in the production process of solar cells, most of the front silver grid lines are printed by screen printing, and then dried and sintered. Most cell manufacturers use Baccini's screen printing equipment, which is divided into two types of lines, one of which is hard-wire transmission. In this method, cells are transported to the printing table by step-by-step transmission. Then the cell is sucked by vacuum, after the machine vision is positioned and printed, the vacuum is released, the lifting mechanism lifts the cell, and then it is transported to the next station. [0003] When the lifting mechanism jacks up the cell, if the vacuum between the cell and the printing table is not completely released, the cell will break. In order to speed up the vacuum release time, the prior art discloses a screen printing device, which includes a printing surface, a vacuum ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F15/20
Inventor 丁志强肖新民
Owner TRINA SOLAR CO LTD
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