CN102672832A - Method for eliminating defects of head part and tail part of battery silicon block - Google Patents
Method for eliminating defects of head part and tail part of battery silicon block Download PDFInfo
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- CN102672832A CN102672832A CN2012101887390A CN201210188739A CN102672832A CN 102672832 A CN102672832 A CN 102672832A CN 2012101887390 A CN2012101887390 A CN 2012101887390A CN 201210188739 A CN201210188739 A CN 201210188739A CN 102672832 A CN102672832 A CN 102672832A
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- silico briquette
- pallet
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Abstract
The invention discloses a method for eliminating defects of the head part and the tail part of a battery silicon block. The method comprises the following steps of: 1) fixing the battery silicon block on a pallet; and 2) cutting parts on the head part and the tail part, which have the defects, of the battery silicon block by using a wire saw cutting technology. Due to the application of the technical scheme, the battery silicon block is fixed on the pallet, and then the parts on the head part and the tail part, which have the defects, of the battery silicon block are cut by the wire saw cutting technology, so that the parts can be simultaneously cut by the head part and the tail part of a wire saw, and the working efficiency is greatly improved. The wire saw is used for cutting the parts, is high in cutting quality, low in loss of silicon materials and low in processing cost; and the head part and the tail part of the battery silicon block can be cut at a time through the adjustment of a weaving net by using the current wire saw only by fixing the battery silicon block on the pallet without the addition of any tool. According to the technical scheme, the method is particularly applied in the field of cutting of solar battery silicon blocks, and great economic benefits are brought to enterprises.
Description
Technical field
The present invention relates to the solar cell processing technique field, in particular to a kind of battery silico briquette method of portion's defective end to end of removing.
Background technology
The solar cell silico briquette in the long brilliant process of unmelted polycrystalline silicon, has surface and bottom that impurity is set in silicon ingot, meets the manufacture batteries requirement for guaranteeing the silicon chip quality, need before silico briquette cuts into silicon chip, remove silico briquette rejected region end to end.
What at present, remove the solar cell silico briquette method of defective all adopts end to end is the band saw patterning method.Its technological process is: 1, decaptitate tail line of silico briquette, confirm Cutting Length; Mainly remove end to end portion's impurity, collapse limit, crackle; 2, go up band saw table top bench vice and clamp the fixed position; 3, one side of the silico briquette of start trickle cooling cutting earlier; 4, after cutting was accomplished on one side, loosening bench vice was crossed the another side cutting; 5, cut the another side of silico briquette again; 6, after the both sides cutting was accomplished, loosening bench vice unloaded silico briquette; 7, inspection cut quality guarantees that cutting section is smooth vertical, does not have and collapses limit, unfilled corner and seminess.Otherwise, also need go up grinding machine or process with coil file cutter sand papering reparation.This use band saw cutting method end to end, operation is clumsy, not only takes a lot of work, time-consuming, effort, and is bigger mainly due to band saw cast-cutting saw sheet stock mouth, can cause a large amount of silicon material losses.Because the cutting inefficiency can reduce split run output, influence manufacturing schedule simultaneously.
Summary of the invention
The present invention aims to provide a kind of battery silico briquette method of portion's defective end to end of removing, with solve remove in the prior art battery silico briquette end to end the method operation of portion's defective clumsy, take a lot of work, time-consuming, effort, and have the technical problem of a large amount of silicon material losses.
To achieve these goals, according to an aspect of the present invention, a kind of battery silico briquette method of portion's defective end to end of removing is provided.This method may further comprise the steps: 1) the battery silico briquette is fixed on the pallet; 2) adopt the head of scroll saw cutting technique excision battery silico briquette and the defect part of afterbody.
Further, adopt foam silica gel that the battery silico briquette is fixed on the pallet.
Further, when a plurality of battery silico briquettes were fixed on the pallet, a plurality of battery silico briquettes were arranged on the pallet with row or the parallel mode of multiple row.
Further, the head of each battery silico briquette is all towards same direction, and the head of each row battery silico briquette is positioned at same straight line.
Further, the battery silico briquette is multilayer and is fixed on the pallet, and the interlayer that the battery silico briquette forms is used the foam silica stationary.
Further, the thickness of foam silica gel is 1 ~ 10mm.
Further, adopt broken ingot machine to implement the scroll saw cutting technique, before step 1), further comprise: pallet is placed into brokenly on the workbench of ingot machine.
Further, in step 2) also comprise before: the size according to the battery silico briquette need cut is worked out the silk screen that breaks the ingot machine, to confirm cutting position.
Further, in step 2) also comprise afterwards: the battery silico briquette after the excision of portion's defect part unloads from pallet end to end, and removes the foam silica gel that is bonded at battery silico briquette surface.
Use technical scheme of the present invention, earlier the battery silico briquette is fixed on the pallet; Adopt the head and the afterbody defect part of scroll saw cutting technique excision battery silico briquette then, realized that use scroll saw head and afterbody both sides cut completion simultaneously, operating efficiency is greatly improved.And adopt scroll saw to cut, and its cut quality is good, and the loss of silicon material is few; Processing cost is low; Need not increase under the prerequisite of any frock tool, only need the battery silico briquette is fixed on the pallet, utilize existing scroll saw; Through knitmesh adjustment, head that can disposable completion battery silico briquette cuts with afterbody.The present technique scheme is particularly suitable for solar cell silico briquette cutting field, will bring great economic benefit for enterprise.
Description of drawings
Figure of description is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
The battery silico briquette individual layer that Fig. 1 shows according to the embodiment of the invention comes the structural representation on the pallet;
The battery silico briquette bilayer that Fig. 2 shows according to the embodiment of the invention comes the structural representation on the pallet; And
The battery silico briquette bilayer that Fig. 3 shows according to the embodiment of the invention comes the partial structurtes sketch map when adopting the scroll saw cutting on the pallet.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the present invention can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
A kind of typical embodiment according to the present invention provides a kind of battery silico briquette method of portion's defective end to end of removing.This method may further comprise the steps: 1) the battery silico briquette is fixed on the pallet; 2) adopt the head of scroll saw cutting technique excision battery silico briquette and the defect part of afterbody, realized that use scroll saw head and tail both sides cut completion simultaneously, operating efficiency is greatly improved.And adopt scroll saw to cut, and its cut quality is good, and the loss of silicon material is few; Processing cost is low; Need not increase under the prerequisite of any frock tool, only need the battery silico briquette is fixed on the pallet, utilize existing scroll saw; Through knitmesh adjustment, head that can disposable completion battery silico briquette cuts with tail.The present technique scheme is particularly suitable for solar cell silico briquette cutting field, will bring great economic benefit for enterprise.
Among the present invention, the battery silico briquette can be fixed on the pallet through the mode of bonding, preferably adopts foam silica gel that the battery silico briquette is fixed on the pallet.Because the on the one hand fixation of foam silica gel, on the other hand not can with battery silico briquette generation chemical reaction, and remove suitable suitability for industrialized production than being easier to.
Adopt method of the present invention; Can be simultaneously polylith battery silico briquette being carried out end to end defective removes; A kind of typical embodiment according to the present invention, when a plurality of battery silico briquettes were fixed on the pallet, a plurality of battery silico briquettes were arranged on the pallet with row or the parallel mode of multiple row.As shown in Figure 1,15 battery silico briquettes 10 are fixed on the pallet 20 through foam silica gel 30 by multiple row side by side.For cut make things convenient for each battery silico briquette head all towards same direction, and the head of each row battery silico briquette is positioned at same straight line.
A kind of typical embodiment according to the present invention, battery silico briquette are multilayer and are fixed on the pallet, and the interlayer that the battery silico briquette forms is used the foam silica stationary.Like this can be simultaneously more battery silico briquette be carried out end to end defective and remove, certainly, polylith battery silico briquette need be arranged according to cephlad-caudal equally.As shown in Figure 2, divide two-layer arrangement with 30 battery silico briquettes 10 by direction end to end, interlayer and and pallet 20 between fixing through foam silica gel 30.Preferably, the thickness of foam silica gel is 1 ~ 10mm.When the thickness of foam silica gel is in this scope, both can guarantee the firmness that bonds to be unlikely to cause waste again, also be convenient to the removing of follow-up foam silica gel.
Scroll saw alleged among the present invention can be a manual scroll saw of the prior art etc., and a kind of typical embodiment according to the present invention adopts broken ingot machine to implement the scroll saw cutting technique, before step 1), further comprises: pallet is placed into brokenly on the workbench of ingot machine.So just avoided moving of pallet after the foam silica stationary, easy to operate.The size of broken ingot machine cutting battery silico briquette can be provided with fixed value in advance, preferably, in step 2) before, work out the silk screen that breaks the ingot machine according to the size that the battery silico briquette need cut, to confirm cutting position.As shown in Figure 3, the steel wire reverse wheel 42 fixing steel wires 41 of broken ingot machine are in the battery silico briquette position that need excise of portion's defective end to end.
Technical scheme of the present invention further comprises the battery silico briquette after the excision of portion's defect part end to end unload from pallet, and removes and be bonded at the surperficial foam silica gel of battery silico briquette.Wherein, sweep-out method adopts the method that warm water is removed usually.
A kind of typical embodiment according to the present invention is in step 2) before, further comprise: the position of adjustment pallet equates the Cutting Length of each battery silico briquette, convenient follow-up unified production.
The typical embodiment according to the present invention, the technological process of the method for defective is following end to end to remove the solar cell silico briquette:
1) pallet is placed on brokenly on the workbench of ingot machine with crane;
2) on pallet, smear equably and spread foam silica gel;
3) the battery silico briquette is put according to cephlad-caudal be fixed on the pallet; If need put two-layer or multi-layer cell silico briquette more, also need spray the foam silica gel of last layer 1 ~ 10 millimeters thick once more at the battery silico briquette upper surface place of putting, then, again with one deck battery silico briquette according to head, tail tail direction, overlapping putting is positioned on the pallet;
4) before the formal cutting, detailed inspection to break the cold water flow of ingot machine, silk screen tension force, protective gas pressure, slurries filtration net, pulley, guide wheel etc. and whether meet the start requirement;
The size establishment silk screen that 5) need cut according to the battery silico briquette is confirmed cutting position;
The pallet that 6) will the glue the battery silico briquette ingot machine of packing into broken, the adjustment position equates the Cutting Length of each silico briquette;
7) start cutting: starter, carry out the disposable end to end cutting of battery silico briquette;
8) after cutting is accomplished,, and rinse battery silico briquette surface well, remove silica gel with silicon ingot transport vehicle unloading battery silico briquette;
9) dimensional gaughing: use slide measure that each piece silico briquette is carried out size, visual examination, after meeting the requirements, silicon chip is cut in the line sending sawing.
Use technical scheme of the present invention and remove battery silico briquette portion's defective end to end, efficient and convenient, cut quality is good; High efficiency, the loss of silicon material is few, and processing cost is low; Need not increase under the prerequisite of any frock tool, take silico briquette to be adhesively fixed on brokenly on the ingot pallet, utilize existing broken ingot machine; Improve cutting end to end that according to actual needs can 30 silico briquettes of disposable completion through knitmesh.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. remove the battery silico briquette method of portion's defective end to end for one kind, it is characterized in that, may further comprise the steps:
1) the battery silico briquette is fixed on the pallet;
2) adopt the scroll saw cutting technique to excise the head of said battery silico briquette and the defect part of afterbody.
2. method according to claim 1 is characterized in that, adopts foam silica gel that said battery silico briquette is fixed on the said pallet.
3. method according to claim 1 is characterized in that, when a plurality of said battery silico briquettes were fixed on the said pallet, said a plurality of battery silico briquettes were arranged on the said pallet with row or the parallel mode of multiple row.
4. method according to claim 3 is characterized in that, the head of each said battery silico briquette is all towards same direction, and each head that is listed as said battery silico briquette is positioned at same straight line.
5. method according to claim 3 is characterized in that, said battery silico briquette is multilayer and is fixed on the said pallet, and the interlayer that said battery silico briquette forms is used the foam silica stationary.
6. method according to claim 2 is characterized in that, the thickness of said foam silica gel is 1 ~ 10mm.
7. method according to claim 1 is characterized in that, adopts broken ingot machine to implement said scroll saw cutting technique, before said step 1), further comprises: said pallet is placed on the workbench of said broken ingot machine.
8. method according to claim 7 is characterized in that, in said step 2) before, further comprise: the size that need cut according to said battery silico briquette is worked out the silk screen of said broken ingot machine, to confirm cutting position.
9. method according to claim 2; It is characterized in that; In said step 2) afterwards, further comprise: the said battery silico briquette after the excision of portion's defect part unloads from said pallet end to end, and removes the said foam silica gel that is bonded at said battery silico briquette surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101887390A CN102672832A (en) | 2012-06-08 | 2012-06-08 | Method for eliminating defects of head part and tail part of battery silicon block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101887390A CN102672832A (en) | 2012-06-08 | 2012-06-08 | Method for eliminating defects of head part and tail part of battery silicon block |
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| CN102672832A true CN102672832A (en) | 2012-09-19 |
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| CN2012101887390A Pending CN102672832A (en) | 2012-06-08 | 2012-06-08 | Method for eliminating defects of head part and tail part of battery silicon block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909584A (en) * | 2013-01-04 | 2014-07-09 | 德国太阳能有限公司 | System And Method For Dividing Silicon Blocks |
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| CH678502C1 (en) * | 1989-02-17 | 1998-12-31 | Hct Shaping Systems Sa | Multi bladed saw - using parallel strands of wire fed round guide rollers |
| US6941940B1 (en) * | 2000-05-31 | 2005-09-13 | Memc Electronic Materials, S.P.A. | Wire saw and process for slicing multiple semiconductor ingots |
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| CN102285010A (en) * | 2011-08-08 | 2011-12-21 | 江西金葵能源科技有限公司 | Solar-grade silicon chip cut by using diamond wires and cutting method |
| CN102350743A (en) * | 2011-09-27 | 2012-02-15 | 苏州大学 | Silicon ingot processing method for slicing |
| CN102380914A (en) * | 2011-10-27 | 2012-03-21 | 江西赛维Ldk太阳能高科技有限公司 | Silicon block cutting method and silicon block cutting device |
| CN102441944A (en) * | 2010-09-30 | 2012-05-09 | 常州天合光能有限公司 | Squaring method of polycrystalline ingot |
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2012
- 2012-06-08 CN CN2012101887390A patent/CN102672832A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH678502C1 (en) * | 1989-02-17 | 1998-12-31 | Hct Shaping Systems Sa | Multi bladed saw - using parallel strands of wire fed round guide rollers |
| US6941940B1 (en) * | 2000-05-31 | 2005-09-13 | Memc Electronic Materials, S.P.A. | Wire saw and process for slicing multiple semiconductor ingots |
| CN101913210A (en) * | 2010-08-19 | 2010-12-15 | 英利能源（中国）有限公司 | Polycrystalline silicon ingot ripping method |
| CN102441944A (en) * | 2010-09-30 | 2012-05-09 | 常州天合光能有限公司 | Squaring method of polycrystalline ingot |
| CN102285010A (en) * | 2011-08-08 | 2011-12-21 | 江西金葵能源科技有限公司 | Solar-grade silicon chip cut by using diamond wires and cutting method |
| CN102350743A (en) * | 2011-09-27 | 2012-02-15 | 苏州大学 | Silicon ingot processing method for slicing |
| CN102380914A (en) * | 2011-10-27 | 2012-03-21 | 江西赛维Ldk太阳能高科技有限公司 | Silicon block cutting method and silicon block cutting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909584A (en) * | 2013-01-04 | 2014-07-09 | 德国太阳能有限公司 | System And Method For Dividing Silicon Blocks |
| CN103909584B (en) * | 2013-01-04 | 2017-01-18 | 德国太阳能有限公司 | System and method for dividing silicon blocks |
| CN103909584B8 (en) * | 2013-01-04 | 2017-03-08 | 太阳世界工业萨克森有限公司 | System and method for splitting silico briquette |
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Application publication date: 20120919 |