Silicon block cutting device and method for removing mortar impurities

A technology of cutting device and cutting method, which is applied in fine working devices, working accessories, stone processing equipment, etc., can solve the problems of high pH and viscosity of silicon cutting mortar, low recycling rate of mortar, and easy agglomeration of silicon carbide particles, etc. To achieve the effect of improving production yield and quality, improving performance and improving recycling rate

Inactive Publication Date: 2015-02-04
JIANGXI SAI WEI LDK SOLAR HI TECH CO LTD
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Problems solved by technology

However, the currently used mortar is mixed with metal impurities, that is, during the online cutting process of cutting fluid and silicon carbide micropowder used in China, impurities such as silicon powder, iron, and high polymers will inevitably be mixed in the mortar, resulting in the pH of the silicon c

Method used

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  • Silicon block cutting device and method for removing mortar impurities
  • Silicon block cutting device and method for removing mortar impurities

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[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0025] See figure 1 , The embodiment of the present invention provides a silicon block cutting device 100 for removing mortar impurities. The silicon block cutting device 100 for removing impurities from mortar includes a base 10, a cutting mechanism 20 and a mortar nozzle 30. The base 10 includes a plurality of parallel hollow metal pipes 11, and there is a distance between the plurality of metal pipes 11. A pluggable magnet 12 is provided in the plurality of metal pipes 11. The cutting mechanism 20 includes a cutting body 21 and a cutting wire 22. The cutting wire 22 is installed on the base 10 and corresponds to the plurality of metal pipes 11, and the cutting body 21 is used to hang silicon blocks. The cutting body 21 is slidably arranged in a direction close to or away from ...

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Abstract

The invention provides a silicon block cutting device and a method for removing mortar impurities. The silicon block cutting device for removing the mortar impurities comprises a base, a cutting mechanism and a mortar spraying nozzle, wherein the base comprises a plurality of hollow metal pipelines which are in parallel, magnets capable of being inserted and pulled are arranged inside the metal pipelines, the cutting mechanism comprises a cutting body and cutting net lines, the cutting net lines are arranged on the base and used for cutting silicon blocks, the cutting net lines correspond to the metal pipelines, and the mortar spraying nozzle is fixed relative to the cutting body and sprays silicon cutting mortar to the cutting lines. The metal impurities of the motor on the cutting net lines are adsorbed on the metal pipelines driven by the magnetic force of the magnets, so that the performance of the mortar is improved, the using rate of the mortar is improved, and the silicon cutting cost is lowered; the line mark ratio after silicon block cutting is lowered, and the production yield and the quality of the silicon block cutting are improved.

Description

technical field [0001] The invention relates to the field of silicon block processing technology, in particular to a silicon block cutting device and method for removing impurities from mortar. Background technique [0002] In recent years, with the rapid development of the photovoltaic industry, the silicon wafer industry has increasingly strict requirements on the quality and appearance of silicon wafer products. , and customers complain more about the fragmentation rate of silicon wafers. At present, the cutting method of silicon block mainly adopts multi-wire cutting, and the cutting steel wire is used to carry the mortar mixed with cutting fluid and Sic to cut the silicon block, and the mortar after cutting is usually recovered and recycled. However, the currently used mortar is mixed with metal impurities, that is, during the online cutting process of cutting fluid and silicon carbide micropowder used in China, impurities such as silicon powder, iron, and high polymer...

Claims

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Application Information

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IPC IPC(8): B28D5/04B28D7/00
CPCB28D5/045B28D7/00
Inventor 曹琦章金兵范立峰李建毛伟宋绍林张细根
Owner JIANGXI SAI WEI LDK SOLAR HI TECH CO LTD
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