CN203768235U - Double-cutting-edge knife wheel for cutting glass with membrane - Google Patents

Double-cutting-edge knife wheel for cutting glass with membrane Download PDF

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Publication number
CN203768235U
CN203768235U CN201420114643.4U CN201420114643U CN203768235U CN 203768235 U CN203768235 U CN 203768235U CN 201420114643 U CN201420114643 U CN 201420114643U CN 203768235 U CN203768235 U CN 203768235U
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Prior art keywords
cutting edge
cutting
plane
groove
break bar
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CN201420114643.4U
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Chinese (zh)
Inventor
唐文林
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Wald, Beijing diamond tool limited company
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BEIJING WORLD SUPER HARD TOOLS CO LTD
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Abstract

The utility model provides a double-cutting-edge knife wheel for cutting glass with a membrane. The knife wheel comprises disk surfaces on two sides and a central hole, wherein the outer circles of the two disk surfaces extend outwards to form a first oblique plane and a second oblique plane which are symmetric to each other; primary cutting edges are formed on the disc surfaces on the two sides by intersecting lines between the first oblique plane and a third oblique plane and between the second oblique plane and a fourth oblique plane respectively; the intersecting line of the third oblique plane and the fourth oblique plane is a circumferential cutting edge; the effective cutting part of the circumferential cutting edge is a secondary cutting edge. According to the knife wheel, the secondary cutting edge of the knife wheel can be a circumferential full cutting edge without teeth, a discontinuous cutting edge with a V-shaped or U-shaped groove or a gear tooth type full cutting edge with a groove; a membrane layer and a glass layer of the glass with the membrane are correspondingly cut by two cutting angles of the primary cutting edge and the secondary cutting edge; the knife wheel is especially suitable for cutting high-end glass with membrane, such as LCD (liquid crystal display) panel glass and the like.

Description

A kind of double blade break bar for cutting belt film glass
Technical field
The utility model belongs to process tool technical field, is specifically related to a kind of double blade break bar for cutting belt film glass, is particularly useful for high-end cuttings with film glass such as LCD liquid crystal display panel glass.
Background technology
Along with science and technology and social progress, modern glassy product trend diversified development, the field that diversified demand also impels glass cutting technology to relate to is also increasingly extensive, and one of them emerging field is exactly special in the cutting processing technology with film glass.Break bar is the ultraprecise diamond tool for cutting brittle material (as glass).On its surface, cut out the ultraprecise line of rabbet joint, and then progressively cause that darker vertical factures cuts out different size and shapes with this.For kind, structure and the cutting accuracy requirement of glass, the performance perameter of required break bar is corresponding difference also.
With film glass, be on the surface of simple glass, to be coated with or to be coated with one or more layers metal, alloy or metal compound film, by optimizing or some performance of outstanding glass, to meet the special glass of certain particular requirement.The difference of painting coatings it require also different to the corresponding cutting processing with film glass.Because of the thickness requirement of the thickness with film glass and the coatings that is coated with thereof extremely strict, so it is also high to compare to cutting processing difficulty and the precision thereof of its requirement of simple glass, therefore to having proposed higher split requirement with high-end cuttings with film glass such as film glass especially LCD liquid crystal display glass, touch screen.
The structure of the break bar for glass-cutting of prior art only possesses single cutting angle, it is the cutting angle of the effective cutting part of circumference cutting edge, because it often causes the series of problems such as cutting efficiency is low, quality is unstable because the physicals of rete and glass-base is different when the cutting belt film glass, for high-end band film glass, its defect is particularly outstanding.And if the cutting angle of the break bar of single cutting angle is less, easily can increases the pressure of glass-base is destroyed to glass; Although if reduced the pressure to glass-base when cutting angle is larger, cause possibly rete to cut or efficiency too low, all can affect the reliability of glass cutting.
Utility model content
In view of this, the utility model provides a kind of double blade break bar for cutting belt film glass, by the design of cutting twice angle, the cutting of having divided the work to rete and glass coating, under the prerequisite of assurance cutting accuracy, optimized cutting quality, be particularly useful for high-end cuttings with film glass such as LCD liquid crystal display panel glass.
The technical solution adopted in the utility model is specially: a kind of double blade break bar for cutting belt film glass, the card and the centre hole that comprise both sides, it is the first inclined-plane and the second inclined-plane that the cylindrical of two cards stretches out respectively, described the first inclined-plane and the second inclined-plane are symmetrical inclined-plane, and described the 3rd inclined-plane and the 4th inclined-plane are symmetrical inclined-plane; It is the 3rd inclined-plane and the 4th inclined-plane that the cylindrical on the first inclined-plane and the second inclined-plane stretches out; The intersecting lens on the first inclined-plane and the 3rd inclined-plane, the second inclined-plane and the 4th inclined-plane forms respectively a secondary cutting edge mouth in both sides card, the intersecting lens on described the 3rd inclined-plane and the 4th inclined-plane is circumference cutting edge, the diameter of described circumference cutting edge is break bar external diameter, and effective cutting part of described circumference cutting edge is secondary cut cutting edge.
Described secondary cut cutting edge is the full cutting edge of not toothed circumference, with the discontinuous cutting edge of V groove or U groove or with the full cutting edge of gear tooth-type of groove.
The angle theta 1 on described the first inclined-plane and the second inclined-plane is the first cutting angle, and the scope of θ 1 is 60~100 °.
The knife face angle θ 2 that the 3rd inclined-plane and the 4th inclined-plane form is the second cutting angle, and the scope of θ 2 is 100~160 °.
On described circumference cutting edge, be evenly distributed with V groove, the groove depth of described V groove is 1~5 μ m, and quantity is 3~600.
On described circumference cutting edge, be evenly distributed with U groove, the groove depth of described U groove is 1~5 μ m, and quantity is 3~600.
On described circumference cutting edge, be evenly distributed with 3~600 grooves, the groove depth of described groove is 1~15 μ m, and the inner cutter hole of described groove and circumference cutting edge are in same plane, and described inner cutter hole and circumference cutting edge are combined into the full cutting edge structure of wheel dentation.
The thickness of described card is 0.65mm, and center-hole diameter is 0.8mm; Described break bar external diameter is 2.0~4.0mm.
Distance between one secondary cutting edge mouth of both sides is the width of secondary cut cutting edge, and the width of described secondary cut cutting edge is 0.02~0.1mm.
The beneficial effect that the utility model produces is:
Four inclined-planes of break bar have formed respectively two secondary cutting edge mouths of both sides and corresponding to the secondary cut cutting edge of circumference cutting edge, in corresponding cutting twice angle, a cutting angle is used for the rete of cutting belt film glass, secondary cut angle is for the glass coating of cutting belt film glass, the design of two cutting edges is effectively for the structure with film glass, avoid the damage to rete or glass-base when cutting belt film glass of cutting edge glass cutter wheel, and then quality product and working (machining) efficiency while effectively raising with film glass cutting processing; And the V groove U groove on circumference cutting edge or groove structure are can be for the different sorts with film glass and cutting demand effectively anti-skidding and control the slight crack degree of depth, further promote cutting quality.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, can more completely understand better the utility model.Accompanying drawing described herein is used to provide further understanding of the present utility model, and embodiment and explanation thereof are used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the schematic perspective view of a kind of double blade break bar for cutting belt film glass of the utility model;
Fig. 2 is that schematic diagram is looked on a left side for a kind of double blade break bar for cutting belt film glass of the utility model;
Fig. 3 is the partial enlarged drawing of the cutting edge structure A of a kind of double blade break bar for cutting belt film glass of the utility model while being the discontinuous cutting edge with V groove;
Fig. 4 is the cutting edge schematic diagram of the cutting edge structure A of a kind of double blade break bar for cutting belt film glass of the utility model while being the discontinuous cutting edge with V groove;
Fig. 5 is the partial enlarged drawing of the cutting edge structure A of a kind of double blade break bar for cutting belt film glass of the utility model while being the discontinuous cutting edge with U groove;
Fig. 6 is the cutting edge schematic diagram of the cutting edge structure A of a kind of double blade break bar for cutting belt film glass of the utility model while being the discontinuous cutting edge with U groove;
Fig. 7 is the partial enlarged drawing of the cutting edge structure A of a kind of double blade break bar for cutting belt film glass of the utility model while being the full cutting edge with groove;
Fig. 8 is the cutting edge schematic diagram of the cutting edge structure A of a kind of double blade break bar for cutting belt film glass of the utility model while being the full cutting edge with groove;
Fig. 9 is the cutting mechanism schematic diagram of the glass of a kind of double blade break bar for cutting belt film glass of the utility model.
In figure: 1, card 2, centre hole 3, the first inclined-plane 4, the second inclined-plane 5, the 3rd inclined-plane 6, the 4th inclined-plane 7, a secondary cutting edge mouth 8, secondary cut cutting edge 9, V groove 10, U groove 11, groove.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
A kind of as shown in Fig. 1-8 is particularly useful for processing the high-end double blade break bars with film glass such as LCD liquid crystal display panel glass for cutting belt film glass, the card 1 and the centre hole 2 that comprise both sides, it is the first inclined-plane 3 and the second inclined-plane 4 that the cylindrical of two cards stretches out respectively, wherein the first inclined-plane 3 and the second inclined-plane 4 are symmetrical inclined-plane, it is the 3rd inclined-plane 5 and the 4th inclined-plane 6 that the cylindrical on the first inclined-plane 3 and the second inclined-plane 4 stretches out, and wherein the 3rd inclined-plane 5 and the 4th inclined-plane 6 are symmetrical inclined-plane.
The intersecting lens on the first inclined-plane 3 and the second inclined-plane 4 and the 3rd inclined-plane 5 and the 4th inclined-plane 6 forms respectively two secondary cutting edge mouth 7, the first inclined-planes 3 and the second inclined-plane 4 angle theta 1 in the both sides of card 1 is the first cutting angle, and θ 1 is 60~100 °; The intersecting lens on the 3rd inclined-plane 5 and the 4th inclined-plane 6 is circumference cutting edge, effective cutting part of circumference cutting edge is secondary cut cutting edge 8, according to the difference of secondary cut cutting edge 8, double blade break bar can be divided into secondary cut cutting edge for the full cutting edge of not toothed circumference, with the discontinuous cutting edge of V groove or U groove or with the break bar of the full cutting edge of gear tooth-type of groove.The knife face angle θ 2 that the 3rd inclined-plane 5 and the 4th inclined-plane 6 form is the second cutting angle, and θ 2 is 100~160 °.
As a kind of preferred embodiment, the thickness of the card 1 of break bar is 0.65mm, and center-hole diameter is 0.8mm; The diameter of circumference cutting edge is break bar external diameter, and break bar external diameter is 2.0~4.0mm.Distance between one secondary cutting edge mouth 7 of both sides is the width of secondary cut cutting edge, has reacted that to cut the width of broadcasting described secondary cut cutting edge be 0.02mm~0.1mm.
The width of secondary cut cutting edge and the second cutting angle θ 2 determine the degree of depth that break bar secondary cutting edge partly enters glass, reflected that the secondary cutting edge of double blade break bar is to the cutting power with film glass, according to the difference of the physical propertiess such as the character with film glass to be cut and thickness, to the corresponding parameter adjustment of the correlation parameter of break bar, reached the cutting quality of expection.
As shown in Figure 9, the mechanism of action of double blade break bar cutting belt film glass of the present utility model is specially: in the process of glass cutting, when double blade break bar is pricked after forward (FWD) film glass, one secondary cutting edge mouth 7 cutting retes of both sides, 8 responsible glass-cutting layers of secondary cut cutting edge, according to the split requirement clarification in certain roles to different piece, by once, secondary cut cutting edge and first, second cutting angle design respectively, guaranteed the cutting quality with film glass and precision.
The concrete structure A of cutting edge of take is distinguishing characteristics, further by following four embodiment, double blade break bar described in the utility model is described.
Embodiment 1
The intersecting lens on the 3rd inclined-plane 5 and the 4th inclined-plane 6 is circumference cutting edge, and now break bar outer radius portion is effective cutting part, and circumference cutting edge and secondary cut cutting edge 8 fit like a glove, i.e. the full cutting edge of not toothed circumference.
Embodiment 2
The intersecting lens on the 3rd inclined-plane 5 and the 4th inclined-plane 6 is circumference cutting edge, is evenly distributed with V groove 9 on circumference cutting edge, and the groove depth of V groove 9 is 1-5 μ m, and quantity is 3-600 (as 200)
The bottom of V groove 9 is a platform, does not therefore serve as cutting edge function.Now, the part of break bar outer radius portion except V groove 9 is effective cutting part, and secondary cut cutting edge 8 is a part for circumference cutting edge, with the discontinuous cutting edge of micro-tooth.
Embodiment 3
The intersecting lens on the 3rd inclined-plane 5 and the 4th inclined-plane 6 is circumference cutting edge, is evenly distributed with U groove 10 on circumference cutting edge, and the groove depth of U groove 10 is 1~5 μ m, and quantity is 3~600 (as 200).
The bottom of U groove 10 is a platform, does not therefore serve as cutting edge function.Now, the part of break bar outer radius portion except U groove 10 is effective cutting part, and secondary cut cutting edge 8 is a part for circumference cutting edge, with the discontinuous cutting edge of U groove 10.
Embodiment 4
The intersecting lens on the 3rd inclined-plane 5 and the 4th inclined-plane 6 is circumference cutting edge, on circumference cutting edge, be uniformly distributed fluted 11, and the inner cutter hole of groove 11 and circumference cutting edge are in same plane, the groove depth of groove 11 is 1-15mm, and the shape of groove 11 can be hyperboloid formula, folder plane formula or folder cylinder mode.
Now the inner cutter hole of groove 11 is combined into a full cutting edge structure of wheel dentation being connected with circumference cutting edge, with the full cutting edge of gear tooth-type of groove.
At the cutting wheel structure described in above-mentioned 4 embodiment, the circumference cutting edge of break bar, without V groove U geosynclinal concave groove, is more suitable for the cutting with film glass larger to intensity described in embodiment 1; Described in embodiment 2, the circumference cutting edge of break bar is distributed with V groove 9, is more suitable for the cutting to sheet band film glass; Compare to the V groove 9 of embodiment 2, U groove 10 in embodiment 3 generally can be dark, also strong to the seepage force with glass coating, but during its cutting, also easily play powder, the destruction of glass cutting line is large, and V groove 9 is relatively shallow, although be not easy powder, destruction to glass cutting line reduces relatively, but its penetrating power is also corresponding lower, so in the actual cutting of the selective basis of U groove and V groove, character and the cutting accuracy with film glass requires and determine.And the circumference cutting edge of break bar is distributed with groove 11 for full cutting edge structure described in embodiment 4, be more suitable for possessing the cutting of the sheet band film glass of some strength.
As mentioned above; embodiment of the present utility model is explained; obviously, as long as do not depart from fact inventive point of the present utility model and effect, the distortion that will be readily apparent to persons skilled in the art, within being all included in protection domain of the present utility model yet.

Claims (9)

1. the double blade break bar for cutting belt film glass, it is characterized in that, the card and the centre hole that comprise both sides, it is the first inclined-plane and the second inclined-plane that the cylindrical of two cards stretches out respectively, described the first inclined-plane and the second inclined-plane are symmetrical inclined-plane, and described the 3rd inclined-plane and the 4th inclined-plane are that the cylindrical on the first inclined-plane, symmetrical inclined-plane and the second inclined-plane stretches out is the 3rd inclined-plane and the 4th inclined-plane; The intersecting lens on the first inclined-plane and the 3rd inclined-plane, the second inclined-plane and the 4th inclined-plane forms respectively a secondary cutting edge mouth in both sides card, the intersecting lens on described the 3rd inclined-plane and the 4th inclined-plane is circumference cutting edge, the diameter of described circumference cutting edge is break bar external diameter, and effective cutting part of described circumference cutting edge is secondary cut cutting edge.
2. a kind of double blade break bar for cutting belt film glass according to claim 1, is characterized in that, described secondary cut cutting edge is the full cutting edge of not toothed circumference, with the discontinuous cutting edge of V groove or U groove or with the full cutting edge of gear tooth-type of groove.
3. a kind of double blade break bar for cutting belt film glass according to claim 1, is characterized in that, the angle theta 1 on described the first inclined-plane and the second inclined-plane is the first cutting angle, and the scope of θ 1 is 60~100 °.
4. a kind of double blade break bar for cutting belt film glass according to claim 1, is characterized in that, the knife face angle θ 2 that the 3rd inclined-plane and the 4th inclined-plane form is the second cutting angle, and the scope of θ 2 is 100~160 °.
5. a kind of double blade break bar for cutting belt film glass according to claim 1, is characterized in that, on described circumference cutting edge, is evenly distributed with V groove, and the groove depth of described V groove is 1~5 μ m, and quantity is 3~600.
6. a kind of double blade break bar for cutting belt film glass according to claim 1, is characterized in that, on described circumference cutting edge, is evenly distributed with U groove, and the groove depth of described U groove is 1~5 μ m, and quantity is 3~600.
7. a kind of double blade break bar for cutting belt film glass according to claim 1, it is characterized in that, on described circumference cutting edge, be evenly distributed with 3~600 grooves, the groove depth of described groove is 1~15 μ m, the inner cutter hole of described groove and circumference cutting edge are in same plane, and described inner cutter hole and circumference cutting edge are combined into the full cutting edge structure of wheel dentation.
8. a kind of double blade break bar for cutting belt film glass according to claim 1, is characterized in that, the thickness of described card is 0.65mm, and center-hole diameter is 0.8mm; Described break bar external diameter is 2.0~4.0mm.
9. a kind of double blade break bar for cutting belt film glass according to claim 1, is characterized in that, the distance between a secondary cutting edge mouth of both sides is the width of secondary cut cutting edge, and the width of described secondary cut cutting edge is 0.02~0.1mm.
CN201420114643.4U 2014-03-13 2014-03-13 Double-cutting-edge knife wheel for cutting glass with membrane Active CN203768235U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103936275A (en) * 2014-03-13 2014-07-23 北京沃尔德超硬工具有限公司 Double-edged knife wheel for cutting coated glass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103936275A (en) * 2014-03-13 2014-07-23 北京沃尔德超硬工具有限公司 Double-edged knife wheel for cutting coated glass

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GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: BEIJING WORLDIA DIAMOND TOOLS CO., LTD.

Free format text: FORMER NAME: BEIJING WORLD SUPER-HARD TOOLS CO., LTD.

CP03 Change of name, title or address

Address after: 100018, No. 7, building 7-12, No. 1, Jiuxianqiao East Road, Chaoyang District, Beijing, No. five

Patentee after: Wald, Beijing diamond tool limited company

Address before: 100018 Jiuxianqiao Chaoyang District East Road, No. 1, No., building 7-12, layer five, layer 7

Patentee before: Beijing World Super Hard Tools Co.,Ltd.