KR20150135063A - Breaking method and breaking apparatus - Google Patents

Breaking method and breaking apparatus Download PDF

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Publication number
KR20150135063A
KR20150135063A KR1020150030708A KR20150030708A KR20150135063A KR 20150135063 A KR20150135063 A KR 20150135063A KR 1020150030708 A KR1020150030708 A KR 1020150030708A KR 20150030708 A KR20150030708 A KR 20150030708A KR 20150135063 A KR20150135063 A KR 20150135063A
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KR
South Korea
Prior art keywords
substrate
belt
scribe line
forming unit
convex
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KR1020150030708A
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Korean (ko)
Inventor
야스토모 오카지마
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미쓰보시 다이야몬도 고교 가부시키가이샤
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Publication of KR20150135063A publication Critical patent/KR20150135063A/en

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
    • C03B33/033—Apparatus for opening score lines in glass sheets
    • 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
    • C03B33/102—Glass-cutting tools, e.g. scoring tools involving a focussed radiation beam, e.g. lasers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

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  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Liquid Crystal (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Belt Conveyors (AREA)

Abstract

A braking method and brake apparatus capable of easily breaking along a scribing line by a low load with a simple mechanism without using a brake bar.
A first convex portion forming unit 4 having a convex portion 4a perpendicular to the substrate conveying direction is disposed on the intermediate lower surface of a belt 2 of a conveyor 3 for conveying the substrate M A portion of the belt 2 is elevated to form a steel bar 2a perpendicular to the substrate transport direction and a scribe line S1 to be divided is formed on the belt 2 The substrate M is transported from the upstream flat portion 2b of the convex portion 2a to the downstream flat portion 2c while the substrate M is placed in a state of being orthogonal to the substrate transport direction, The cracks of the scribe line S1 formed on the curved outer surface side are infiltrated in the thickness direction by the bending of the substrate M at the time when the substrate M passes over the iron plate portion 2a to the downstream flat portion 2c , The substrate M is broken along the scribe line S1.

Figure P1020150030708

Description

BREAKING METHOD AND BREAKING APPARATUS [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a braking method for braking a brittle material substrate such as glass along a scribe line, and a braking device. More particularly, the present invention relates to a brake method and a brake apparatus suitable for breaking a glass substrate (mother substrate) of a thin plate along a scribe line formed on the surface thereof to cut out a unit substrate.

In order to cut a unit substrate from a mother substrate (hereinafter, simply referred to as "substrate"), a scribe line S1 in the X direction perpendicular to the substrate M and a Y And the unit substrate M1 is cut out by breaking along the scribe lines S1 and S2 in the next step.

As a method for breaking the substrate along the scribe line, it is generally known to use a brake bar. According to this, a scribe line S is formed on the cushion sheet 10 as shown in Fig. 8 (a) or a pair of right and left support blades 11, 11 as shown in Fig. 8 (b) The substrate M is placed on the lower side and the brake bar 12 is pushed against the substrate M from above to bend the substrate M so that the crack of the scribe line S penetrates in the thickness direction, do.

However, in this method, there is a problem that since the long brake bar is pushed against the substrate to break one scribe line at a time, the load applied to the substrate becomes large and the fracture surface tends to break, and the strength of the end surface tends to deteriorate . Particularly, at present, when thinning of the substrate is required, for example, a thin substrate having a thickness of 0.2 to 1 mm is provided. However, when such a thin plate substrate is broken at one stroke of the brake lever, the above- , Irregular cracks may be generated at the dividing end, or cracks may occur, resulting in defective products.

Japanese Patent Application Laid-Open No. 2002-103295 Japanese Laid-Open Patent Publication No. 2011-201200

On the other hand, a laser break method in which a scribe line is formed on the surface of a substrate with a laser beam, then the substrate is inverted and a second laser beam is irradiated on the opposite side of the scribe line to penetrate the crack in the thickness direction to break the substrate It is proposed in Patent Document 2.

According to this laser break method, it is possible to break along the scribe line without transporting the substrate on which the scribe line is initially formed to the break apparatus. However, a reversing mechanism for reversing the substrate is required, so that the apparatus becomes large-scale, and a risk that the substrate is damaged at the time of the reversing operation also occurs.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a brake method and a brake device that can be easily broken along a scribe line by a low load with a simple mechanism without using a brake bar.

In order to solve the above problems, the present invention takes the following technical means. That is, the breaking method of the present invention is a breaking method for breaking a substrate having a scribe line formed on its surface along the scribe line, the method comprising the steps of: A first convex forming unit having a convex portion is disposed and the belt is pushed up so that a part of the belt is raised to form a convex portion perpendicular to the substrate conveying direction on the belt, The substrate is transported from the upstream flat portion to the downstream flat portion of the iron part, and the substrate is transported from the upstream flat portion to the iron portion over the iron portion, The bending of the substrate at the time of shifting to the downstream flat portion causes the scribe And breaking the substrate along the scribe line by infiltrating cracks in the line in the thickness direction.

According to the present invention, there is provided a braking device for braking a substrate on which a scribe line is formed along a scribe line, wherein a conveyor having a belt for carrying the substrate thereon is provided, , A first convex forming unit having convex portions orthogonal to the substrate conveying direction is disposed, a part of the belt is pushed up by the convex portions of the first convex forming unit, It also features a brake system.

According to the present invention, since the scribe line is broken in the process of transporting the substrate to the belt, the working time can be shortened and the productivity can be improved. In addition, since the scribe line is broken by the bending due to the weight of the substrate without using the conventional brake bar, the apparatus mechanism can be simplified, The strength of the cross section can be increased by suppressing the occurrence of breakage or scratches on the cross section.

In the present invention, the second convex forming unit, which is longer than the scribing line along the substrate conveying direction and has convex portions parallel to the substrate conveying direction, is disposed on the lower surface of the upstream side flat portion or the downstream side flat portion of the belt, And the second convex forming unit is moved from one side of the belt on which the substrate is placed to the other side so that the one wave of the wave protruding in parallel to the substrate conveying direction the scribe lines may be broken by causing cracks of the scribe lines along the substrate transport direction to penetrate in the thickness direction by the bending of the substrate at this time.

Thus, in addition to the break of the scribe line orthogonal to the substrate transfer direction, the scribe line along the substrate transfer direction can also be broken while being lowered, and the unit substrate can be cut from the large substrate.

1 is a schematic plan view showing an example of a brake device according to the present invention.
Fig. 2 is an explanatory view of the brake device of Fig. 1 viewed from the side. Fig.
Fig. 3 is an explanatory diagram of an operation when the X-direction scribe line is broken by the apparatus of Fig. 1. Fig.
FIG. 4 is an explanatory diagram of operations when the Y-direction scribe line is broken by the apparatus of FIG.
5 is an enlarged view of the belt raised by the convex portion forming unit.
6 is a plan view showing an example of a substrate to be broken.
Fig. 7 is an explanatory view of the operation for breaking the bonded substrate stack.
8 is an explanatory view showing an example of a conventional brake method.

(Mode for carrying out the invention)

In the following, details of the brake method and brake device of the present invention will be described based on the embodiment shown in Figs. 6, a scribe line S1 in the X direction and a scribe line S2 in the Y direction perpendicular to each other are formed in advance on the surface of the substrate M, and the scribe lines S1, S2, the substrate M is broken.

The substrate M has a thickness that is as thin as 0.2 to 1.0 mm and has a physical property that it is flexibly deformed by its own weight along the surface shape of the belt to be laid. The dimensions of each side of the unit substrate M1 divided by the scribe lines S1 and S2 in the X-Y direction are preferably 50 to 100 mm.

The braking device of the present invention is provided with a conveyor 3 having a belt 2 extended in an endless form by a plurality of wheel bodies 1. The belt 2 is driven by a prime mover (not shown), on which the substrate M is placed and is conveyed toward the Y direction in Figs.

A convex portion 4a extending over the entire width of the belt in the X direction orthogonal to the substrate conveying direction is provided on the lower surface of the intermediate position of the conveying path of the belt 2 on which the substrate M is placed and conveyed in the Y direction The first convex portion forming unit 4 is disposed. The convex portion 4a of the first convex portion forming unit 4 is pushed upward from the lower surface of the belt 2 so that the portion where the belt 2 is pushed up rises, And an extending iron portion 2a is formed. Therefore, the iron portion 2a is formed between the upstream flat portion 2b of the belt 2 and the downstream flat portion 2c.

The belt 2 is formed of a sheet material such as a relatively thin cloth or synthetic resin so that the push-up portion can be easily raised by pushing up from below by the convex portion 4a. 5, it is preferable that the height H of the ridge portion 2a is 5 to 10 mm and the angle R of the right and left ridges of the ridge portion 2a is 2 to 7 degrees. The height H and the gradient angle R are appropriately selected depending on the thickness and material of the substrate M to be broken.

A second convex forming unit 6 having a convex portion 6a longer than the scribing line S2 in the Y direction to be divided of the substrate M and parallel to the substrate conveying direction is disposed on the belt 2 on the downstream side of the flat portion 2c. The convex portion forming unit 6 is formed so as to move from one side to the other side while pushing the lower surface of the belt 2 from the convex portion 6a by the screw shaft 8 rotated by the motor 7 have. As a result of this transition, one row of wavy strips 9 rising in parallel with the substrate transfer direction with respect to the belt surface is sequentially generated from one side of the belt 2 to the other side. It is preferable that the height and the left and right gradient angles of the wave 9 can be formed to have the same values as the height H and the gradient angle R of the iron section 2a described above.

2 and 3 (a), the X-direction scribe line S1 of the substrate M is moved in a direction perpendicular to the traveling direction of the conveyor 3, M is placed on the upstream flat portion 2b of the belt 2 and the conveyor 3 is driven and conveyed downstream.

When the substrate M moves to the iron casting section 2a, the substrate M climbs up on the iron casting section 2a. When the first X-direction scribe line S1 reaches the top portion of the iron section 2a, as shown in Fig. 3 (c), the scribe line S1 which becomes the bending outer surface side The crack penetrates in the thickness direction, and the substrate M is broken along the scribe line S1. In this way, the X-direction scribe line S1 is successively broken, and the substrate M shifts to the downstream flat portion 2c.

When the substrate M moves from the downstream flat portion 2c to the vicinity of the second convex forming unit 6, the conveyor 3 is stopped and the second convex forming unit 6 is driven. The second convex forming unit 6 moves from one side to the other side while pushing up the lower surface of the belt 2 from the convex portion 6a as shown in Fig. ) Of the steel wool (9) of one row in parallel with the belt (2) from one side to the other side of the belt (2). As a result, the Y-direction scribe line S2 of the substrate M sequentially rises on the wave 9, and the crack penetrates and breaks in the thickness direction.

In this manner, the scribe line S1 in the X direction and the scribe line S2 in the Y direction of the substrate M are broken, and the unit substrate M1 is cut off.

The bonded substrate W in which the first substrate W1 and the second substrate W2 are bonded to each other (hereinafter simply referred to as " substrate W "Quot; hereinafter). ≪ / RTI >

7 shows the break process. On the outer surfaces of the first substrate W1 and the second substrate W2 of the substrate W to be broken, the same mutually perpendicular scribing lines S1 and S2 are formed in advance Respectively. In Fig. 7, the scribe line S2 is omitted from the illustration for easy viewing.

The substrate W is placed on the upstream flat portion 2b of the belt 2 and the conveyor 3 is driven and conveyed downstream. When the bonded substrate W is transferred to the convex portion 2a, the substrate W is bent on the convex portion 2a. As shown in Fig. 7 (b), when the first X-direction scribe line S1 reaches the boundary portion between the upstream flat portion 2b and the iron portion 2a, the curved outer surface side The scribe line S1 of the lower second substrate W2 is broken.

7 (c), when the scribing line S1 of the first substrate W1 reaches the top of the iron portion 2a, the curved outer surface side (outer side) The scribe line S1 of the upper first substrate W1 is broken. Thus, as shown in Fig. 7 (d), the substrate W is completely divided along the upper and lower scribe lines S1 and S1.

The scribe line S2 in the Y direction can be broken by the same means as described above by the second convex forming unit 6 in the downstream flat portion 2c of the belt 2. [

As described above, according to the present embodiment, since the X-direction scribe line S1 and the Y-direction scribe line S2 are broken in the process of transporting the substrate M to the belt 2, The productivity can be improved. Further, since the scribe line is broken by the bending due to the weight of the substrate M without using the brake bar as in the conventional case, breakage can be performed while the braking is being performed without impact, and the breakage and scratches So that the strength of the cross section can be increased and the adverse effect due to the use of the brake bar can be eliminated.

Although the exemplary embodiments of the present invention have been described above, the present invention is not necessarily limited to the above-described embodiments. For example, in the above-described embodiment, the Y-direction scribe line S2 is broken after the X-direction scribe line S1 of the substrate is broken, but the second convex forming member 6 may be divided into the upstream flat portion 2b , And the Y-direction scribe line S2 may be firstly broken. In the present invention, it is possible to appropriately modify or change the scope of the present invention without departing from the scope of the present invention.

INDUSTRIAL APPLICABILITY The present invention can be applied to a braking method for braking a brittle material substrate having a scribe line on its surface and a braking device.

M: substrate
S1: X direction scribe line
S2: Y-direction scribe line
2: Belt
2a:
2b: upstream side flat portion
2c: downstream side flat portion
3: Conveyor
4: First convex forming unit
4a: convex portion of the first convex portion forming unit
6: second convex forming unit
6a: convex portion of the second convex portion forming unit
9: wave

Claims (4)

A braking method for braking a substrate having a scribe line on its surface along the scribe line,
A first convex forming unit having a convex portion orthogonal to the substrate conveying direction is disposed on the lower surface of the conveying path of the conveyer belt conveying the substrate to push up the belt so that a part of the belt is elevated, The substrate is placed on the belt in a state in which a scribe line to be divided is orthogonal to the substrate transport direction and the substrate is transported from the upstream flat portion to the downstream flat portion of the steel bar portion ,
The cracks of the scribe line formed on the curved outer surface side are infiltrated in the thickness direction by the bending of the substrate when the substrate moves from the upstream flat portion to the downstream flat portion beyond the iron portion, Thereby breaking the substrate. The method according to claim 1,
A second convex forming unit having a convex portion which is longer than the scribing line along the substrate conveying direction and which is parallel to the substrate conveying direction is disposed on the lower surface of the upstream flat portion or the downstream flat portion of the belt, And the second convex forming unit is moved from one side of the belt on which the substrate is placed to the other side so that a wave of one stem rising from the one side of the belt to the other side And breaking the scribe line by infiltrating the cracks of the scribe lines along the substrate transfer direction in the thickness direction by the bending of the substrate at this time. 1. A braking device for braking a substrate having a scribe line formed on its surface along the scribe line,
A conveyor provided with a belt for loading and conveying the substrate,
A first convex forming unit having convex portions orthogonal to the substrate conveying direction is disposed on the lower surface of the intermediate position of the belt and a part of the belt is pushed up by convex portions of the first convex forming unit, Wherein a bending portion orthogonal to the conveying direction is formed. The method of claim 3,
And a second convex forming unit provided with a convex portion parallel to the substrate conveying direction, wherein the second convex forming unit moves from one side of the belt toward the other side on the lower surface of the flat portion on the upstream side or the downstream side of the belt And the second convex forming unit is moved from one side of the belt to the other side so that a wave of one stem rising from the belt surface in parallel with the substrate transfer direction is transferred from one side of the belt to the other side The brake device comprising:
KR1020150030708A 2014-05-22 2015-03-05 Breaking method and breaking apparatus KR20150135063A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2014-105804 2014-05-22
JP2014105804A JP6387679B2 (en) 2014-05-22 2014-05-22 Break method

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CN (1) CN105084739A (en)
TW (1) TWI643829B (en)

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Publication number Priority date Publication date Assignee Title
TWI664134B (en) * 2018-08-07 2019-07-01 住華科技股份有限公司 Transportation device and transportation method using the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004051394A (en) * 2002-07-17 2004-02-19 Nippon Sheet Glass Co Ltd Method and apparatus for cutting glass plate
KR101365049B1 (en) * 2012-08-02 2014-02-20 한국미쯔보시다이아몬드공업(주) Rolling break apparatus for brittle material substrate

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TW201544469A (en) 2015-12-01
CN105084739A (en) 2015-11-25
JP2015221496A (en) 2015-12-10
JP6387679B2 (en) 2018-09-12
TWI643829B (en) 2018-12-11

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