CN202412488U - Stainless steel band saw blade with alternately arranged large and small emery saw teeth - Google Patents
Stainless steel band saw blade with alternately arranged large and small emery saw teeth Download PDFInfo
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- CN202412488U CN202412488U CN2012200216799U CN201220021679U CN202412488U CN 202412488 U CN202412488 U CN 202412488U CN 2012200216799 U CN2012200216799 U CN 2012200216799U CN 201220021679 U CN201220021679 U CN 201220021679U CN 202412488 U CN202412488 U CN 202412488U
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Abstract
The utility model relates to a stainless steel band saw blade with alternately arranged large and small emery saw teeth. The stainless steel band saw blade comprises a thin stainless steel sheet and large copper-based emery saw teeth evenly spaced, a small copper-based emery saw tooth is arranged between each two adjacent large copper-based emery saw teeth, two side faces of each large saw tooth and two side faces of each small saw tooth are parallelograms, the tops of the large saw teeth and the small saw teeth are cambered surfaces, the sections of the large saw teeth and the small saw teeth are in inverted 'U' shapes, the acute angle alpha of each interior angle of the parallelograms on the two side faces of each large saw tooth ranges from 30 degrees to 55 degrees, and each interior angle beta, which is close to one side of the corresponding cambered surface at the top and faces a cutting direction, of the parallelograms on the two side faces of each small saw tooth ranges from 85 degrees to 135 degrees. The rigidity of a cutting tool is enhanced by the aid of the thin stainless steel sheet serving as a carrier, and the large saw teeth and the small saw teeth are alternately arranged, so that the service life of the saw blade is prolonged, and cutting efficiency is improved.
Description
Technical field
The utility model relates to the bands for band that a kind of sawing hard brittle non-metallic material is used, and particularly relates to a kind of big or small diamond dust sawtooth stainless steel band saw blade alternately of sawing crystal silicon.
Background technology
Solar energy has become the green novel energy source industry that receives much attention at present.Crystalline silicon is that application is the most ripe at present, the most widely solar cell material.The operation of solar cell most critical is silicon chip and the manufacturing of battery sheet.The silicon chip cutting is one of critical process of solar cell wafer manufacturing.Chipping qualities directly affects operations such as follow-up cleaning, making herbs into wool, but also can have influence on the service life of battery sheet and the conversion efficiency of solar cell.Carborundum fillet sawing chip technology has characteristics such as joint-cutting is narrow, cutting-rate is high, chipping qualities is good, waste of material is few, and environmental pollution is little, is the important process technology of crystal silicon section.
Existing slicing technology mainly contains diamond fretsaw technology and copper fund emery saw blade technology etc.Like Chinese patent 201020262913.8 (Granted publication CN201736357U; February 9 2011 Granted publication day) disclose a kind of diamond fretsaw, its characteristics have been to use a kind of flexible strand of anti-bending, are covering diamond working layers on the fixed distance on the rope; Zone beyond working lining then is coated with the rubber-plastics material layer; Come the inoperative layer on the protective money diamond wire saw through the rubber-plastics material layer, overcome diamond fretsaw easy abrasion when cutting stone material, the problem of flexible strand easy fracture.But in to the crystal silicon slicing process, the scroll saw insufficient rigidity is to satisfy production requirement, and rubber-plastics material also is prone to rapidoprint is produced pollution.Chinese patent 97250282.3 (Granted publication CN2334539Y; August 25 1999 Granted publication day) a kind of stalloy copper fund emery saw blade is disclosed; Its characteristics are stalloy is washed into a plurality of small sircle holes at edge, one side; With copper powder and abrasive powder, be pressed into copper fund emery sequin by the special ratios mixing and be embedded in the small sircle hole of stalloy then, make both strong bonded become stalloy diamond dust saw blade through handling.But in this patent, need handle, destroy the rigid structure of steel disc, and the inoperative layer of steel disc directly contacts cutting material, can cause dual consumption cutting material and cutting tool to the stalloy perforate.
In the existing product, the diamond dust band saw mainly adopts the steel disc of width rule mosaic gold emery coating.But in the actual production, after this saw blade sawing number of times reaches 70 ~ 80 times, just require to change because of diamond dust coating sharp wear.
Summary of the invention
The utility model provides a kind of big or small diamond dust sawtooth stainless steel band saw blade alternately to the deficiency of above-mentioned prior art, efficient sawing hard brittle non-metallic material of ability such as crystal silicon sheet, and it is little to wear and tear during cutting, and spillage of material is low, long service life.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of big or small diamond dust sawtooth stainless steel band saw blade alternately; Comprise the stalloy and the big sawtooth of equidistantly arranging of copper fund emery of stainless steel, be equipped with the little sawtooth of copper fund emery at adjacent said copper fund emery pit saw between cog.
As a kind of preferred, the two sides of said big sawtooth and little sawtooth are flat shape quadrangle, and the top is an arc surface, and its cross section is " U " shape of handstand.
Preferred as further, sharp angle=30 of the flat tetragonal interior angle of shape in said big sawtooth two sides ° ~ 55 °, the flat shape quadrangle in said little sawtooth two sides lean on the top arc surface on one side towards internal angle beta=85 of cut direction one end ° ~ 135 °; The tetragonal base a=4.5mm ~ 5.5mm of shape is put down in said big sawtooth two sides, height h
1=3.0mm ~ 5.0mm; The tetragonal base b=2.5mm ~ 3.5mm of shape is put down in said little sawtooth two sides, height h
2=0.5mm ~ 1.0mm.
As a kind of preferred, the spacing c=0.5mm of said little sawtooth and last big sawtooth ~ 1.5mm, the spacing d=0.5mm ~ 1.5mm of said little sawtooth and back one big sawtooth, and c≤d.
In the utility model, the length of bands for band and width can be according to the decisions of the size of sawing workpieces, and when being used for the sawing polycrystal silicon ingot when bands for band, length can be 2000mm, and width can be 50mm; The thickness of Thin Stainless Steel steel disc is about 0.6mm, and the thickness of copper fund emery sawtooth is about 0.3mm, can decide as required equally.
The setting of the utility model stainless steel band saw blade sawtooth; Be equivalent in the wide spacing of the existing big saw tooth belt saw blade of wide spacing; Set up little sawtooth, between big sawtooth and little sawtooth, leave certain spacing, guaranteeing that chip removal has increased the sawtooth number of participating in cutting smoothly simultaneously; In the utility model, stalloy adopts stainless steel, has improved the rigidity of bands for band, makes not easy fracture of bands for band.Simultaneously, stainless steel material also is the excellent carrier of copper fund emery, and both can be combined into one more firmly, makes sawtooth be difficult in sawing process, coming off.
In the utility model, described big sawtooth both sides are parallelogram copper fund emery, and bigger flank of tooth area is arranged, and can carry out enlarging to otch and handle; And described little sawtooth geometry is similar with big sawtooth, but flank of tooth area is less, is mainly used in sawing materials processing is formed otch.The top of size sawtooth is the envelope fillet structure that certain radius is arranged, and promptly arc surface is convenient to sliced crystal progressively, and reduction is impacted and reduced wear.
The utlity model has following beneficial effect: the Thin Stainless Steel steel disc carrier of employing has increased the rigidity of cutting tool, adopts big or small sawtooth spaced apart to arrange the technology that is provided with, and has improved the working life of saw blade and the operating efficiency of cutting.
Description of drawings
Fig. 1 is wherein one section a structural representation of a kind of embodiment of the utility model.
Fig. 2 is the A-A view of a kind of embodiment of the utility model shown in Figure 1.
Fig. 3 is the B-B view of a kind of embodiment of the utility model shown in Figure 1.
Little sawtooth centripetal force sketch map when Fig. 4 is a kind of embodiment sawing of the utility model shown in Figure 1.
Big sawtooth centripetal force sketch map when Fig. 5 is a kind of embodiment sawing of the utility model shown in Figure 1.
Among the figure, 1 is the Thin Stainless Steel steel disc; 2 is big sawtooth; 3 is little sawtooth; 4 is rapidoprint.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Shown in Figure 1 this bands for band length is 2000mm in order to be used for one section of the bands for band of sawing polycrystal silicon ingot, and width is 50mm, and the thickness of Thin Stainless Steel steel disc 1 is 0.6mm, and the thickness of copper fund emery sawtooth is 0.3mm, and big sawtooth 2 all is a diamond dust with little sawtooth 3.Wherein, big sawtooth 2 equidistance are arranged on the Thin Stainless Steel steel disc 1, are provided with little sawtooth 3 on 2 on adjacent big sawtooth.Little sawtooth 3 is unequal with the spacing of the big sawtooth 2 in front and back, itself and the spacing c=0.8mm of preceding big sawtooth 2, with the back greatly the spacing of sawtooth 2 be d=1mm.Big sawtooth 2 all is a parallelogram shape with little sawtooth 3 sides, and the top is an arc surface, and its cross section is " U " shape of handstand, like Fig. 2 and Fig. 3.Sharp angle=45 of the flat tetragonal interior angle of shape in big sawtooth 2 two sides °, the flat shape quadrangle in little sawtooth two sides lean on the top arc surface on one side towards internal angle beta=120 of cut direction one end °; The flat tetragonal base a=5.2mm of shape in big sawtooth 2 two sides, height h
1=4.0mm; The tetragonal base b=3mm of shape is put down in little sawtooth 3 two sides, height h
2=0.8mm.
Cutting forms openings to rapidoprint 4 because little sawtooth 3 is mainly used in, and the chip of generation is less, and big sawtooth 2 is mainly used in rapidoprint 4 degree of depth are cut; The chip that produces is more; So adopt this non-equidistance that technology is set, mainly be on the basis that makes full use of Thin Stainless Steel steel disc 1 space, increase the number of teeth of participating in cutting; Improve operating efficiency, be convenient to big sawtooth 2 and little sawtooth 3 chip removals simultaneously.Towards cutting direction, can reduce the impact of rapidoprint 4, the wearing and tearing that alleviate the flank of tooth with the β angle for big sawtooth 2 and little sawtooth 3.
Like Fig. 4 and shown in Figure 5, v
fThe direction of feed of saw blade during for sawing, under the effect of centripetal force, little sawtooth 3 is mainly used in rapidoprint 4 cutting formation openings, and it carries out shallow-layer processing to rapidoprint 4, and basically the rapidoprint 4 to the cut surface both sides forms extruding.Big sawtooth 2 is mainly used in the cutting of rapidoprint 4 degree of depth, on the basis of existing otch, relies on the fillet envelope, and rapidoprint 4 is formed extruding, grinding, enlarged openings; The side of big sawtooth 2 also can form extruding, grinding to the rapidoprint 4 of cut surface both sides, forms the secondary operations to cut surface.Because on band saw, therefore big sawtooth 2 and little sawtooth 3 alternate settings, and band saw cycle under the continuous action of little sawtooth 3 and big sawtooth 2, accomplish the cutting processing to rapidoprint 4.
Claims (4)
1. one kind big or small diamond dust sawtooth stainless steel band saw blade alternately; The stalloy and the big sawtooth of equidistantly arranging of copper fund emery that comprise stainless steel; It is characterized in that, be equipped with the little sawtooth of copper fund emery at adjacent said copper fund emery pit saw between cog.
2. big or small diamond dust sawtooth according to claim 1 stainless steel band saw blade alternately is characterized in that, the two sides of said big sawtooth and little sawtooth are flat shape quadrangle, and the top is an arc surface, and its cross section is " U " shape of handstand.
3. big or small diamond dust sawtooth according to claim 2 stainless steel band saw blade alternately; It is characterized in that; Sharp angle=30 of the flat tetragonal interior angle of shape in said big sawtooth two sides ° ~ 55 °, the flat shape quadrangle in said little sawtooth two sides lean on the top arc surface on one side towards internal angle beta=85 of cut direction one end ° ~ 135 °; The tetragonal base a=4.5mm ~ 5.5mm of shape is put down in said big sawtooth two sides, height h
1=3.0mm ~ 5.0mm; The tetragonal base b=2.5mm ~ 3.5mm of shape is put down in said little sawtooth two sides, height h
2=0.5mm ~ 1.0mm.
4. big or small diamond dust sawtooth according to claim 1 stainless steel band saw blade alternately; It is characterized in that; The spacing c=0.5mm of said little sawtooth and last big sawtooth ~ 1.5mm, the spacing d=0.5mm ~ 1.5mm of said little sawtooth and back one big sawtooth, and c≤d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200216799U CN202412488U (en) | 2012-01-18 | 2012-01-18 | Stainless steel band saw blade with alternately arranged large and small emery saw teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200216799U CN202412488U (en) | 2012-01-18 | 2012-01-18 | Stainless steel band saw blade with alternately arranged large and small emery saw teeth |
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| Publication Number | Publication Date |
|---|---|
| CN202412488U true CN202412488U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200216799U Expired - Fee Related CN202412488U (en) | 2012-01-18 | 2012-01-18 | Stainless steel band saw blade with alternately arranged large and small emery saw teeth |
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| CN (1) | CN202412488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555086A (en) * | 2012-01-18 | 2012-07-11 | 浙江勒托能源科技有限公司 | Stainless steel band-saw blade with alternatively arranged large and small carborundum saw teeth |
-
2012
- 2012-01-18 CN CN2012200216799U patent/CN202412488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555086A (en) * | 2012-01-18 | 2012-07-11 | 浙江勒托能源科技有限公司 | Stainless steel band-saw blade with alternatively arranged large and small carborundum saw teeth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20130118 |