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Double-mode printing device for solar cells

A technology for solar cells and printing devices, applied in printing, printing presses, rotary printing presses, etc., can solve problems such as difficulty and pressure change, and achieve the effect of convenient control and uniform printing

Inactive Publication Date: 2012-07-18
SUZHOU MAXWELL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing pressure printing mode requires relatively difficult control. When the printing table is uneven, it will cause pressure changes. At this time, in order to ensure the original pressure, the motor is required to have a very high response frequency.

Method used

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  • Double-mode printing device for solar cells
  • Double-mode printing device for solar cells
  • Double-mode printing device for solar cells

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings.

[0013] see Figure 1-2 As shown, a dual-mode printing device for solar cell sheets includes a horizontal workbench 1 capable of fixing and absorbing solar cell sheets 2, a connecting seat 3 capable of horizontally moving relative to the workbench 1, and a Motor 4, pressure cylinder 5, the output shaft of motor 4 is vertically arranged downwards, and the output shaft is fixed with a vertical screw rod, which is equipped with a nut, and the cylinder body of pressure cylinder 5 is fixedly arranged with the nut, so that the The motor 4 drives the screw rod to rotate, so that when the nut moves vertically, the cylinder body of the pressure cylinder 5 moves vertically thereupon, and the telescopic rod of the pressure cylinder 5 is vertically arranged downwards, and the telescopic rod is provided with a scraper 6 . In the position printing mode, the telescopic rod of the...

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Abstract

The invention discloses a double-mode printing device for solar cells, which comprises a pressure cylinder. A cylinder body of the pressure cylinder is fixed to a nut, a retractable rod of the pressure cylinder is downwards vertically disposed, and a scraper capable of realizing screen printing for electrodes of the silicon cells is arranged on the retractable rod. In a pressure printing mode, the retractable rod of the pressure cylinder can be compressed, the pressure cylinder is driven by a motor to downwards move to a specified working position, the scraper can be stopped by a printing screen when moving downwards, upward acting force is exerted on the retractable rod of the cylinder, when the acting force is higher than stretching force of the cylinder, the retractable rod of the cylinder is compressed, accordingly, when a printing tabletop is uneven, force exerted on the screen by the scraper is constant due to expansion and retraction of the retractable rod of the pressure cylinder, uniform printing is guaranteed, and the pressure printing mode is convenient to control.

Description

[0001] technical field [0002] The invention relates to a dual-mode printing device for solar cells. Background technique [0003] The principle of screen printing is adopted to print the electrodes on the solar cells, that is, printing is carried out by using the basic principle that the meshes of the screen graphics part are permeable to the slurry, and the non-graphic parts are impermeable to the slurry. When screen printing, pour the slurry at one end of the screen, apply a certain pressure on the slurry part of the screen with a scraper, and move toward the other end of the screen at the same time. The slurry is squeezed by the scraper from the mesh of the graphic part onto the battery sheet during the movement. Due to the viscosity of the slurry, the imprint is fixed within a certain range. During the printing process, the scraper is always in line contact with the screen and the battery sheet. The contact line moves with the movement of the scraper. The screen durin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F15/08
Inventor 施政辉李龙强
Owner SUZHOU MAXWELL TECH CO LTD
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