Method and conveyor belt system having at least one conveyor belt for transporting flat transport goods

A conveyor belt, conveying direction technology, applied in the direction of conveyor objects, conveyors, transportation and packaging, etc., can solve problems such as damage, and achieve the effect of reducing energy demand

Inactive Publication Date: 2011-02-09
J·格热拉克
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But not every belt is suitable for this application, in addition, only relatively small suction can be selected, which can only act in the area of ​​the adjacent opening of each notch on the belt surface through which it is located. on wafers, because when excessive suction is used, the wafer can be sucked into the opening of the notch in a somewhat punctiform manner and damaged

Method used

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  • Method and conveyor belt system having at least one conveyor belt for transporting flat transport goods
  • Method and conveyor belt system having at least one conveyor belt for transporting flat transport goods
  • Method and conveyor belt system having at least one conveyor belt for transporting flat transport goods

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Embodiment Construction

[0030] as in Figure 1a It can be seen from the schematically shown embodiment of a conveyor belt system 1 which has a conveyor belt 2 and a Bernoulli suction device 4, which is used to transport substrates, such as silicon wafers and solar cells, so that Super Bernoulli suction device 4 in Figure 1b China and Israel pass Figure 1a A sectional view of the plane A-A is shown. Along each longitudinal edge 7 of the belt 8 of the conveyor belt 2 extending in the conveying direction 6, the Bernoulli suction devices 4 each have at least one outflow opening 9 of a chamber 10 at mutually corresponding positions, said The chamber is supplied with compressed air 11 via inlet openings 12 from a compressed air source, not shown. The cross section of the inflow opening 12 is larger than the cross section of the outflow opening 9 of the chamber 10 . The substrate 3 is brought into surface contact by a force acting in the direction of arrow 19 by means of a pressure difference between at...

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PUM

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Abstract

The invention relates to a method for transporting flat transport goods, particularly substrates (3) such as silicon wafers and solar cells, on at least one conveyor belt (2) of a conveyor belt system (1), wherein the substrates (3) are held on a conveying surface (5) of the conveyor belt (2) at least in some cycles during the transport by means of suction. In order to ensure improved slip-resistant and gentle transport of the substrates (3) on the conveyor belt (2), according to the invention along at least one of the two longitudinal edges (7) of the strap (8) of the conveyor belt (2) that extend in the transport direction, in a plurality of positions (9) spaced with respect to each other, underpressure that is based on the Bernoulli effect is generated by means of a guidance of a pressure medium (11), such as compressed air, that is controlled by a flow system (4), and, as a result of the pressure difference between the atmospheric pressure and the underpressure generated at the respective position (9) formed at the respective position (9) on the longitudinal edge of the belt, the substrates (3) are held with uniform pressure on the transport surface (5) of the conveyor belt (2) with the contact surface.

Description

technical field [0001] The invention relates to a method for conveying flat conveyed objects, in particular substrates, such as silicon wafers and solar cells, on at least one conveyor belt of a conveyor belt system, wherein the substrates are circulated at least during the conveying process Adhesively held on the conveying surface of the conveyor belt. [0002] The invention also relates to a conveyor belt system comprising: at least one conveyor belt for conveying flat conveyed items, in particular substrates such as silicon wafers and solar cells; The suction device is held adsorptively on the conveying surface of the at least one conveyor belt. Background technique [0003] For the production of solar cells, the silicon wafers are usually transported by means of grippers or on a conveyor belt, which can consist of several belts. Due to the way the machines used in the manufacturing process work, the transport of wafers takes place on a tact cycle, which causes conveyor...

Claims

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Application Information

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IPC IPC(8): H01L21/683
CPCH01L21/67706B65G21/2036H01L21/67784B65G49/065B65G51/03H01L21/6776H01L21/6838
Inventor J·格热拉克
Owner J·格热拉克
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