KR20150107676A - Double-edged scribing wheel for cutting coated glass - Google Patents

Double-edged scribing wheel for cutting coated glass Download PDF

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Publication number
KR20150107676A
KR20150107676A KR1020150034917A KR20150034917A KR20150107676A KR 20150107676 A KR20150107676 A KR 20150107676A KR 1020150034917 A KR1020150034917 A KR 1020150034917A KR 20150034917 A KR20150034917 A KR 20150034917A KR 20150107676 A KR20150107676 A KR 20150107676A
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South Korea
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cutting
cutting edge
grooves
inclination
scribing wheel
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KR1020150034917A
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Korean (ko)
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KR101737581B1 (en
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웬린 탕
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베이징 월디아 다이아몬드 툴즈 컴퍼니 리미티드
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/10—Glass-cutting tools, e.g. scoring tools
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor

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  • Chemical & Material Sciences (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The present invention relates to a double-edged scribing wheel for cutting a coated glass, which comprises: two disk sides and a central hole are included on both sides of the scribing wheel; a first slope and a second slope are individually formed to extend in the outward direction of outer circles of the two disk sides; a third slope and a fourth slope are individually formed to extend in the outward direction of the outer circles of the first and second slopes; a cross line of the first and third slopes and a cross line of the second and fourth slopes individually form a main cutting edge in the two disk sides; a cross line of the third and fourth slopes is a circumferential cutting edge; and an effective cutting part of the circumferential cutting edge forms an auxiliary cutting edge. According to a difference in the auxiliary cutting edges, the scribing wheels are classified into double-edged scribing wheels, which are the entire circumferential cutting edge without teeth on the auxiliary cutting edges, like an intermittent cutting edge having V-grooves, U-grooves, or an entire cutting edge with a serrated gear having grooves. Two cutting edges corresponding to the main cutting edge and the auxiliary cutting edges can be used for cutting a film layer and a glass layer of a coated glass respectively. The double-edged scribing wheel of the present invention can be applied to cutting a high quality coated glass, especially such as a liquid crystal display (LCD) panel glass or the like.

Description

[0001] Double-edged scribing wheel for cutting coated glass [

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of cutting tools for processing, and more particularly to a DOUBLE-EDGED scribing wheel applicable for cutting coated glass such as liquid crystal display (LCD) panel glass.

With the advancement of science, technology and society, modern glassware tends to be diversified.

This is increasingly widespread in the field of glass cutting technology, a new field of specialty cutting techniques for coated glass.

Scribing wheels are ultra-precision diamond tools for fragile materials (eg, glass).

By forming the deep vertical cracks by cutting the ultra-precision grooves on the surface of the material, they can be cut into different sizes and shapes.

Depending on the different shapes, structures and cutting precision of the glass, the performance parameters corresponding to the requirements of the scribing wheel will vary.

Coated glass is a special glass that is coated on an ordinary glass surface with an alloy or metal compound or by plating one or more metal layers.

This particular glass can meet certain special requirements by optimizing or emphasizing certain properties of the glass.

In order to coat or plate glass with different film layers, the cutting requirements of the coated glass will also vary.

Since the requirements of the thickness of the coated glass and the thickness of the coated or plated film layers are very strict, the requirements for the cutting difficulty and the cutting precision are also higher than for normal glass.

As a result, more stringent cutting requirements are required, especially for advanced coated glass such as liquid crystal display (LCD) panel glass and touch screens.

Conventional glass cutting scribing wheels have only one cutting angle, i. E., The cutting angle of the effective cutting portion of the circumferential cutting edge.

When conventional scribing wheels for glass cutting are used for cutting of coated glass, the differences in physical performances between the film layer and the glass substrate lead to several problems such as, for example, low cutting efficiency and unstable cut quality And these are particularly noticeable in high-grade coated glasses.

In addition, if the cutting angle of a scribing wheel with a single cutting angle is small, the pressure intensity on the glass substrate is increased, the glass tends to break, and when the cutting angle is large, the pressure on the glass substrate Although the strength can be lowered, it is impossible to cut the film layer or the cutting efficiency is very low.

Both of these cases will affect the reliability of the glass cut.

In this respect, the present invention provides a double-edged scribing wheel for cutting coated glass wherein the cutting of the film layer and the glass layer is achieved through the design of the two cutting angles, The cutting quality can be optimized on the assumption that the cutting quality is guaranteed.

The present invention is particularly applicable to advanced coating glasses such as liquid crystal display (LCD) panel glass and the like.

Detailed technical solutions utilized by the present invention are as follows.

CLAIMS 1. A double-edged scribing wheel for coating glass cutting comprising two disc faces and a center hole on either side of a scribing wheel, the first oblique and second Wherein the first inclination and the second inclination (4) are symmetrical inclination, and the third inclination and the fourth inclination are formed in the outer direction of the first inclination and the second inclination outer side, Wherein the intersection line of the first inclination and the third inclination and the intersection line of the second inclination and the fourth inclination are formed to extend from the main cutting edge Wherein the intersection line of the third slope and the fourth slope is a circumferential cutting edge 8 and the diameter of the cutting edge of the circumference is the outer diameter of the scriber wheel, The effective cutting portion forms a secondary cutting edge.

The angle? 1 between the first inclination and the second inclination is a first cutting angle, and the range of the first cutting angle? 1 is 60-100 degrees.

The inclination angle? 2 formed by the third inclination and the fourth inclination is a second cutting angle,

The range of the second cutting angle [theta] 2 is 100-160 [deg.].

The V-grooves are uniformly distributed on the cutting edge of the circumference.

The depth of the V-grooves is 1-5 占 퐉, and the number of the V-grooves 9 is 3-600.

The U-grooves are uniformly distributed in the cutting edge of the circumference.

The depth of the U-grooves is 1-5 μm, and the number of the U-grooves is 3-600.

Wherein grooves are uniformly distributed in the cutting edge of the circumference and there are inner cutting edges of the grooves in the same plane as the cutting edge of the circumference and the cutting edges of the circumference and the circumference have teeth Thereby forming a cutting blade structure.

3-600 grooves are uniformly distributed on the cutting edge of the circumference, and the depth of the grooves of the grooves is 1-15 mu m.

Preferably, the thickness of the disk surface is 0.65 mm, the diameter of the center hole is 0.8 mm, and the outer diameter of the scribing wheel is 2.0-4.0 mm.

Wherein a distance between the main cutting edge formed by the intersection line of the first inclination and the third inclination and the main cutting edge formed by the intersection line of the second inclination and the fourth inclination corresponds to a direction of extension of the axis of the center hole 0.02-0.1 mm.

The present invention has the following beneficial effects.

The four slopes of the scribing wheel each define two main cutting edges on both sides and an auxiliary cutting edge corresponding to the cutting edge of the circumference, and with respect to the cutting angle corresponding to the cutting edge, The auxiliary cutting angle is set according to the cutting of the glass layer of the coated glass and the design of the two cutting blades is set effectively according to the structure of the coated glass.

Also, by preventing the glass scribing wheel with a single-cutting edge from causing damage to the film layer or the glass substrate during cutting of the coated glass, the quality of the product and the process during cutting of the coated glass Efficiency is effectively improved.

In addition, distributing the V-grooves, U-grooves or grooved structures at the circumferential cutting edges can effectively prevent slippage of the cutting wheel and can also control the depth of the cracks according to other forms of the coated glass and cutting requirements Whereby the cutting quality can be further improved.

BRIEF DESCRIPTION OF THE DRAWINGS The invention is more complete and more fully understood with reference to the drawings, in which: Fig.
The drawings presented herein are used to provide a further understanding of the invention, rather than to limit the scope of the invention, and the examples and the accompanying drawings are used to illustrate the invention.
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic three-dimensional view of a double-ended scriber wheel for coating glass according to the present invention.
Fig. 2 is a schematic illustration of a left side view of a double-edged scribing wheel for coating glass according to the present invention.
Figure 3 is an enlarged view of a double-ended scribing wheel for coating glass cutting according to the invention, wherein the cutting blade structure A is an intermittent cutting blade with V-grooves.
Figure 4 is a schematic illustration of a double-edged scribing wheel for coating glass cutting according to the invention, wherein the cutting blade structure A is an intermittent cutting blade with V-grooves.
5 is an enlarged view of a double-edged scribing wheel for cutting coated glass according to the invention, wherein the cutting blade structure A is an intermittent cutting blade with U-grooves.
Figure 6 is a schematic illustration of a double-edged scribing wheel for cutting coated glass according to the invention, wherein the cutting blade structure A is an intermittent cutting blade with U-grooves.
7 is an enlarged view of a double-ended scribing wheel for cutting coated glass according to the invention, wherein the cutting blade structure A is an entire cutting blade with grooves.
Fig. 8 is a schematic illustration of a double-edged scribing wheel for cutting coated glass according to the invention, wherein the cutting blade structure A is an entire cutting blade with grooves.
9 is a schematic view showing a glass cutting mechanism of a double-ended scribing wheel for coating glass according to the present invention.
10 is a structural view of a double-edged scribing wheel for cutting coated glass according to the invention in which the grooves are in the form of hyperbolic grooves.

BRIEF DESCRIPTION OF THE DRAWINGS The technical solution of the present invention will now be described in detail with reference to the drawings and embodiments.

As shown in Figs. 1 to 8, a double-edged scribing wheel for coating glass cutting is shown.

Double-edge scratching wheels for coated glass cutting are particularly applicable to advanced coating glass processes such as liquid crystal display (LCD) panel glass and the like.

In addition, the double-edged scribing wheel for coating glass cutting comprises two disk surfaces 1 and a center hole 2 on both sides thereof, and a first inclination The first inclined yarn 3 and the second inclined yarn 4 are formed so as to extend respectively and the first inclined yarn 3 and the second inclined yarn 4 are symmetrical inclination and the first inclined yarn 3 and the second inclined yarn 4 The third inclination 5 and the fourth inclination 6 are formed so as to extend outwardly of the outer circles and the third inclination 5 and the fourth inclination 6 are inclined symmetrically.

The intersection line of the first warp yarn 3 and the third warp yarn 5 and the intersection line of the second warp yarn 4 and the fourth warp yarn 6 are formed by two main cutting edges 7 on both sides of the disc surface 1, The angle? 1 included between the first warp yarn 3 and the second warp yarn 4 is a first cutting angle, and? 1 is 60-100 degrees.

The intersection line of the third warp yarn 5 and the fourth warp yarn 6 is a circumferential cutting edge and the effective cutting portion of the circumferential cutting blade forms the auxiliary cutting edge 8.

The inclination angle? 2 formed by the third inclination 5 and the fourth inclination 6 is a second cutting angle, and? 2 is 100-160 degrees.

It is essential in the present invention that the first warp yarns 3 and the second warp yarns 4 are symmetrical warp yarns and the third warp yarns 5 and the fourth warp yarns 6 are symmetrical warp yarns.

If the structures of the main cutting edge 7 and the auxiliary cutting edge 8 on both sides are not symmetrical, the main cutting edge 7 and the auxiliary cutting edge 8 are not moved during the process of cutting the glass by the scribing wheel This is because the cutting path of the scribing wheel deviates when rotating.

In one preferred embodiment, the thickness of the disk surface 1 of the scribing wheel is 0.65 mm and the diameter of the center hole is 0.8 mm.

The diameter of the circular cutting blade is an outer diameter of the scribing wheel, the outer diameter of the scribing wheel is 2.0 to 4.0 mm, and the main cutting blade formed by the intersection line of the first inclination and the third inclination, The distance along the extending direction of the axis of the center groove between the main cutting edges formed by the intersection lines of the four inclination is 0.02 mm-0.1 mm.

The distance between the two main cutting edges along the direction of extension of the axis of the center hole and the second cutting angle [theta] 2 determines the partial depth of the auxiliary cutting edge of the scribing wheel as the scribing wheel enters into the glass, Reflecting the cutting ability of the wheel-assisted cutting edge of the double-edge scribing on the coated glass.

In addition, the parameters associated with the scribing wheel are adjusted relative to other physical properties of the coated glass to be cut, such as properties and thickness, to achieve the desired cut quality.

Hereinafter, as shown in Fig. 9, the operation mechanism for cutting the coated glass with the double-tooth scratching wheel of the present invention will be described in detail.

After the double-edge scribing wheel touches the coated glass during the process of cutting the glass, the main cutting edges 7 cut both sides of the film layer.

Further, the auxiliary cutting edge 8 serves to cut the glass layer.

A clear distinction of these tasks can be realized according to the cutting requirements of the main and auxiliary cutting edges and the other parts designing the first and second cutting angles, respectively, and the quality and precision of cutting of the coated glass can be ensured .

Depending on the difference of the auxiliary cutting blades 8, the double-cut scribing wheels are arranged in such a way that the auxiliary cutting blades have a scribing wheel and a V-groove or U-grooves or grooves, The entire cutting blade or the like.

The double-tooth scribing wheel of the present invention will be described in detail by considering the distinguishing features by selecting the specific structure A through the following four embodiments.

First Embodiment

The intersection line of the third tilting 5 and the fourth tilting 6 is a circumferential cutting edge, in which case the outer diameter portions of the scraping wheel are all effective cutting portions, (8).

That is, the entire cutting edge of the circumference does not have teeth.

Second Embodiment

The intersection line of the third inclination 5 and the fourth inclination 6 is a circumferential cutting edge and the V-grooves 9 are uniformly distributed on the cutting edge of the circumference and the groove depth of the V- And the number thereof is 3-600 (200 in the embodiment).

Closed angles are formed at the boundary between the V-grooves and the circumferential cutting edges.

During cutting with the scribing wheel, the closed angles contact the surface of the object first, and the circumferential cutting edge contacts the glass later, so that the pressure applied to the surface of the object by the closed angle is small.

The closed angle immediately pierces the object so that the scraping wheel is not likely to slip relative to the object during the cutting process, firmly "catching" the object.

The bottoms of the V-grooves 9 are platforms that do not act as cutting blades.

In this case, the portions of the outer diameter portions of the scraping wheel except for the V-grooves 9 serve as effective cutting portions.

The auxiliary cutting edge 8 is also a part of a circumferential cutting edge, i. E. An intermittent cutting edge with V-grooves 9.

Third Embodiment

Grooves 10 are uniformly distributed on the cutting edge of the circumference and the intersection line of the third inclination 5 and the fourth inclination 6 is a cutting edge of the circumference, And the number thereof is 3-600 (200 in the embodiment).

Closed angles are formed at the boundary between the U-grooves and the circumferential cutting edges.

During cutting with the scribing wheel, the closed angles contact the surface of the object first, and the circumferential cutting edge contacts the glass later, so that the pressure applied to the surface of the object by the closed angle is small.

The closed angle immediately pierces the object so that the scraping wheel is not likely to slip relative to the object during the cutting process, firmly "catching" the object.

The bottom of the U-grooves 10 is a platform that does not act as a cutting edge.

In this case, the portions of the outer diameter portions of the scraping wheel except for the U-grooves 10 serve as effective cutting portions.

The auxiliary cutting edge 8 is also a part of the circumferential cutting edge, that is, the intermittent cutting edge with the U-grooves 10.

Fourth Embodiment

The intersection line of the third inclination 5 and the fourth inclination 6 is a circumferential cutting edge and the grooves 11 are uniformly distributed on the cutting edge of the circumference and the inner cutting edge 12 is formed in each groove 11 As shown in Fig.

The inner cutting edges 12 of the grooves 11 are flush with the cutting edge of the circumference and the groove depths of the grooves 11 are 1-15 mu m.

The shape of the grooves 11 may be a clamping plane structure or a hyperboloid-typed structure of a clamping cylinder structure.

8 is a side view showing an inner cutting edge and a circumferential cutting edge when the shape of the groove 11 has a clamping plane structure.

Fig. 10 shows a structure of a double-tooth scratching wheel when the shape of the groove has a hyperbolic structure.

As shown in FIG. 10, each of the grooves includes two symmetrically curved surfaces, and the intersecting lines of the two symmetrically curved surfaces form the inner cutting edge 12 of the groove.

The inner cutting edges 12 and the circumferential cutting edges 8 of the groove 11 are similar to the entire cutting blade structure with tooth-type gears, i. E. With grooved tooth-shaped gears Thereby forming the entire cutting edge.

The closed angle or arc of the closed angle can be formed at the boundary of the inner cutting edge 12 and the circumferential cutting edge 8 with an overall cutting blade structure having teeth in the form of teeth.

During cutting with the scribing wheel, the convex surface of the closed angle or the closed angle at the boundary of the inner cutting blade 12 and the circumferential cutting blade 8 first contacts the surface of the object, The pressure exerted on the surface of the object by the closed angle or the convex surface of the closed angle is small.

Also, the convex surface of the closed angle or the closed angle immediately penetrates the object so that the scribing wheel does not slip with respect to the object during the cutting process, and firmly "catches" the object.

When the cutting edge of the circumference cuts the object, the inner cutting edge cuts the object and further cuts the object.

Due to this application, when the inner cutting edge contacts the object, the inner cutting edge comes into linear contact with the object, so that the pressure applied to the object is small, and longitudinal cracks or transverse cracks occur The probability of becoming low can be minimized.

In the above four embodiments, the V-grooves, U-grooves or grooves are not present on the cutting edge of the circumference of the scribing wheel of the first embodiment.

Further, the scribing wheel of the first embodiment is further applicable to the cutting of high-strength coated glass, such as cutting a high-strength coated glass having, for example, a 0.2 mm thick glass layer and a 0.01 mm thick film layer .

The double-cut scribing wheel in which the auxiliary cutting edge has no V-grooves, U-grooves or grooves is the entire cutting edge, and the first cutting angle? 1 and the second cutting angle? 2 are 60 ° and 105 °, respectively.

The V-grooves 9 are distributed in the cutting edge of the circumference of the scribing wheel of the second embodiment, and the scribing wheel of the second embodiment is further applicable to cutting of the thin coating glass plate.

For example, in order to cut a specific ITO conducting film glass having a glass layer of 0.3 mm thickness and a film layer of 0.01 mm thickness, the auxiliary cutting edge may be a double-nipped scraping using a V-groove structure (intermittent cutting edge) Use the wheel.

The first cutting angle? 1 and the second cutting angle? 2 are 60 ° and 110 °, respectively, and the number of grooves and the groove depths of the V-grooves 9 are 200 and 3 μm, respectively.

The U-grooves 10 of the third embodiment are generally deeper than the V-grooves 9 of the secondary cutting edge of the second embodiment.

In addition, the penetration into the glass layer is stronger, but tends to appear during the cutting and breaks of the glass cutting line are more frequent.

The V-grooves are relatively shallow, and even though the powder tends to be absent and the fracture of the glass cut line is relatively low, its penetration ability is relatively low.

As a result, the choice of a U-groove structure or a V-groove structure and the selection of a particular groove depth and number of U-grooves or V-grooves is determined by the nature of the coated glass and precise requirements in actual cuts.

The grooves 11 are distributed in the cutting edge of the circumference of the scribing wheel of the fourth embodiment and the scribing wheel of the second embodiment is more suitable for cutting of the thin coating glass plate having a specific strength.

For example, a double-edged scribing wheel is used, which is an overall cutting edge with an auxiliary cutting edge grooved structure to cut a particular ITO conducting film glass having a glass layer of a thickness of 0.5 mm and a film layer of a thickness of 0.01 mm.

Further, the first cutting angle? 1 and the second cutting angle? 2 are 60 ° and 110 °, respectively.

In a scribing wheel having an overall cutting blade structure with teeth in the form of teeth, when the diameter of the scribing wheel is defined, the number of teeth affects the width of the teeth.

It should also be noted that the greater the number of teeth, the better the cutting and penetration effect on the object.

In this embodiment, the number and depth of the teeth formed by the grooves 11 and the cutting edge of the circumference are preferably 200 and 5 mm, respectively.

The above embodiments of the present invention have been described in detail.

All modifications which are easily made by a person skilled in the art without departing from the inventive concept and the effect of the present invention are obviously within the scope of protection of the present invention.

1: disk surface 2: center hole
3: First slope 4: Second slope
5: 3rd slope 6: 4th slope
7: Main cutting edge 8: Auxiliary cutting edge
9: V-groove 10: U-groove
11: groove 12: inner cutting edge

Claims (11)

Comprising two disk surfaces (1) and a center hole (2) on either side of the scribing wheel,
The first inclined yarn 3 and the second inclined yarn 4 are formed so as to extend in the outer direction of the outer circles of the two disk surfaces,
The first inclination 3 and the second inclination 4 are symmetrical inclined,
A third inclined yarn 5 and a fourth inclined yarn 6 are formed so as to extend outwardly from the outer sides of the first inclined yarn 3 and the second inclined yarn 4,
The third inclination 5 and the fourth inclination 6 are symmetrical inclined,
The intersection line of the first inclined surface 3 and the third inclined surface 5 and the intersection line of the second inclined surface 4 and the fourth inclined surface 6 form a main cutting edge 7,
The intersection line of the third inclination 5 and the fourth inclination 6 is a circumferential cutting edge 8,
The diameter of the cutting edge 8 of the circumference is the outer diameter of the scribing wheel,
Characterized in that the effective cutting portion of the circumferential cutting edge (8) forms an auxiliary cutting edge. The method according to claim 1,
The angle? 1 between the first inclination 3 and the second inclination 4 is a first cutting angle,
Wherein the first cutting angle &thetas; 1 is in the range of 60-100 DEG. The method according to claim 1,
The inclination angle? 2 formed by the third inclination 5 and the fourth inclination 6 is a second cutting angle,
And the second cutting angle [theta] 2 ranges from 100 to 160 [deg.]. 4. The method according to any one of claims 1 to 3,
Characterized in that the V-grooves (9) are uniformly distributed in the circumferential cutting edge (8). 5. The method of claim 4,
The depth of the grooves of the V-grooves 9 is 1-5 μm,
Wherein the number of the V-grooves (9) is 3-600. 4. The method according to any one of claims 1 to 3,
Characterized in that the U-grooves (10) are uniformly distributed in the circumferential cutting edge (8). The method according to claim 6,
The depth of the grooves of the U-grooves 10 is 1-5 μm,
Wherein the number of the U-grooves (10) is 3-600. 4. The method according to any one of claims 1 to 3,
The grooves 11 are uniformly distributed in the circumferential cutting edge 8,
There are internal cutting edges 12 of the grooves 11 in the same plane as the circumferential cutting edge 8,
Characterized in that the inner cutting edges (12) and the circumferential cutting edge (8) form an overall cutting blade structure with teeth in the form of teeth. 9. The method of claim 8,
3-600 grooves 11 are uniformly distributed in the circumferential cutting edge 8,
Characterized in that the depth of the grooves of the grooves (11) is 1-15 m. The method according to claim 1,
The thickness of the disk surface 1 is 0.65 mm,
The diameter of the center hole 2 is 0.8 mm,
Wherein the outer diameter of the scribing wheel is 2.0-4.0 mm. ≪ RTI ID = 0.0 > 11. < / RTI > The method according to claim 1,
Formed by intersecting lines of the main cutting edge (7) formed by intersecting lines of the first inclination (3) and the third inclination (5) and the second inclination (4) and the fourth inclination (6) And the distance between the main cutting edges (7) is 0.02 - 0.1 mm along the extending direction of the axis of the center hole (2).
KR1020150034917A 2014-03-13 2015-03-13 Double-edged scribing wheel for cutting coated glass KR101737581B1 (en)

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CN201410093936.3A CN103936275A (en) 2014-03-13 2014-03-13 Double-edged knife wheel for cutting coated glass
CN201410093936.3 2014-03-13

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TW201536703A (en) 2015-10-01

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