WO2021250975A1 - Appareil et procédé de fabrication de feuille de verre - Google Patents

Appareil et procédé de fabrication de feuille de verre Download PDF

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Publication number
WO2021250975A1
WO2021250975A1 PCT/JP2021/011941 JP2021011941W WO2021250975A1 WO 2021250975 A1 WO2021250975 A1 WO 2021250975A1 JP 2021011941 W JP2021011941 W JP 2021011941W WO 2021250975 A1 WO2021250975 A1 WO 2021250975A1
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WO
WIPO (PCT)
Prior art keywords
glass ribbon
cutting
scribe
glass
drive unit
Prior art date
Application number
PCT/JP2021/011941
Other languages
English (en)
Japanese (ja)
Inventor
章 西堀
隼人 奥
貞治 岡田
尚正 堂谷
洋平 桐畑
Original Assignee
日本電気硝子株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電気硝子株式会社 filed Critical 日本電気硝子株式会社
Priority to CN202180025615.8A priority Critical patent/CN115362136A/zh
Priority to KR1020227029778A priority patent/KR20230023606A/ko
Publication of WO2021250975A1 publication Critical patent/WO2021250975A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/12—Saw-blades or saw-discs specially adapted for working stone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/06—Forming glass sheets
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/06—Forming glass sheets
    • C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/06—Forming glass sheets
    • C03B17/068—Means for providing the drawing force, e.g. traction or draw rollers
    • 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
    • C03B33/0207—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet being in a substantially vertical plane
    • 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
    • C03B33/027—Scoring tool holders; Driving mechanisms therefor
    • 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
    • C03B33/02—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
    • C03B33/037—Controlling or regulating

Definitions

  • the present invention relates to an apparatus and a method for manufacturing a glass plate by cutting a glass ribbon conveyed in a vertical posture.
  • glass plates are widely used as glass substrates for panel displays such as liquid crystal displays and organic EL displays, and as cover glass for smartphones, tablet PCs and the like.
  • a method of cutting out a glass plate from a glass ribbon by cutting a glass ribbon continuously formed by a downdraw method typified by an overflow downdraw method or the like at a predetermined length can be mentioned.
  • Patent Document 1 discloses an example of an apparatus used for such a manufacturing method.
  • the glass plate manufacturing equipment has a scrib mechanism that forms a scrib line on one surface of the glass ribbon while following the glass ribbon that is conveyed downward after molding, and a scrib line that follows the glass ribbon and descends. It is equipped with a folding mechanism that applies bending stress to the formed portion to split and cut the glass ribbon.
  • the scribe mechanism is equipped with a wheel cutter that contacts one side of the glass ribbon.
  • the wheel cutter is connected to a belt-type drive unit.
  • the drive unit includes an endless band-shaped belt on which the wheel cutter is fixed, and a drive wheel and a driven wheel around which the belt is wound.
  • the scrib mechanism forms a scrib line on one surface of the glass ribbon by moving the wheel cutter in the width direction of the glass ribbon by the drive unit while moving downward at the same speed as the transport speed of the glass ribbon.
  • the folding mechanism is a support device that supports a part of the glass ribbon and a fulcrum bar that contacts the other surface of the glass ribbon and serves as a fulcrum for folding and cutting with respect to the portion of the glass ribbon on which the scrib line is formed. (Folded arm) and.
  • the folding mechanism changes the posture of the support device around the contact position between the fulcrum bar and the glass ribbon while the fulcrum bar is in contact with the glass ribbon and the glass ribbon is supported by the support device. Apply bending stress to the glass.
  • the manufacturing equipment can cut out a part of the glass ribbon supported by the support device as a glass plate by extending the cracks originating from the scrib line in the thickness direction of the glass ribbon. can.
  • the present invention has been made in view of the above circumstances, and it is a technical subject to prevent deterioration of the quality of the glass plate.
  • the present invention is for solving the above-mentioned problems, and in a glass plate manufacturing apparatus including a cutting apparatus for forming a glass plate by cutting a glass ribbon conveyed downward in a vertical posture, the cutting apparatus is used. It is characterized by comprising a cutting mechanism for cutting the glass ribbon, a driving unit for driving the cutting mechanism, and a dust collecting device for collecting dust generated from the driving unit.
  • the dust generated from the drive unit is collected by the dust collector, so that the dust can be prevented from adhering to the glass ribbon. Therefore, deterioration of the quality of the glass plate can be suppressed.
  • the drive unit includes a belt and a cover member that covers the belt, and the dust collector is connected to the cover member so as to suck the inside of the cover member. It may be provided with a part.
  • the dust generated from the belt inside the cover member is collected by the connection portion of the dust collector, so that the dust can be prevented from adhering to the glass ribbon.
  • the cutting mechanism may include a scribe mechanism for forming a scribe wire on the glass ribbon, and the drive unit may raise and lower the scribe mechanism.
  • the dust collector by collecting the dust generated from the drive unit that raises and lowers the scribe mechanism by the dust collector, it is possible to prevent the dust from adhering to the glass ribbon.
  • the cutting mechanism includes a scribe mechanism for forming a scribe wire on the glass ribbon, the scribe mechanism includes a cutter for forming the scribe wire on the glass ribbon, and the drive unit has a drive unit.
  • the cutter may be moved along the width direction of the glass ribbon.
  • the present invention is for solving the above-mentioned problems, and in the method of manufacturing a glass plate by the above-mentioned manufacturing apparatus, the present invention comprises a cutting step of cutting the glass ribbon by the said cutting apparatus, and the said cutting step is said driving. It is characterized by including a dust collecting step of collecting the dust generated from the unit by the dust collecting device.
  • the present invention it is possible to prevent the quality of the glass plate from deteriorating.
  • FIG. 1 to 9 show an embodiment of a glass plate manufacturing apparatus and manufacturing method according to the present invention.
  • the glass plate manufacturing device includes a cutting device that cuts the glass ribbon that is conveyed downward in a vertical position.
  • the cutting device 1 includes a scribe device 2 for forming a scribe line SL on the glass ribbon GR, a folding device 3 for folding the glass ribbon GR along the scribe line SL, and a dust collecting device 3.
  • the device 4 is provided.
  • the scribe device 2 includes a scribe mechanism 5, a scribe drive unit 6 for driving the scribe mechanism 5, elevating mechanisms 7a and 7b for raising and lowering the scribe mechanism 5, and elevating drive units 8a and 8b for driving the elevating mechanisms 7a and 7b, respectively. And prepare.
  • the scribe mechanism 5 includes a wheel cutter 9 that forms a scribe line SL on one surface of the glass ribbon GR (hereinafter referred to as "first main surface") GRa, and the other surface of the glass ribbon GR (hereinafter referred to as “second main surface”).
  • a support bar 10 as a support member for supporting the GRb is provided.
  • the wheel cutter 9 is formed in a disk shape with a blade (edge) on the peripheral edge.
  • the wheel cutter 9 is configured to be movable along the width direction of the glass ribbon GR by the scribe drive unit 6. As a result, the wheel cutter 9 can form the scribe line SL from one end to the other end in the width direction of the glass ribbon GR.
  • the wheel cutter 9 is configured to be able to approach and separate from the first main surface GRa of the glass ribbon GR.
  • the wheel cutter 9 changes its position between a standby position away from the glass ribbon GR as shown by the solid line in FIG. 2 and a contact position in contact with the first main surface GRa of the glass ribbon GR as shown by the alternate long and short dash line. be able to.
  • the support bar 10 is composed of a rod-shaped member or a plate-shaped member formed in a long shape along the width direction of the glass ribbon GR, but is not limited to this shape.
  • the support bar 10 is arranged so as to face the wheel cutter 9 via the glass ribbon GR.
  • the support bar 10 is configured to be able to approach and separate from the second main surface GRb of the glass ribbon GR.
  • the support bar 10 changes its position between a standby position away from the glass ribbon GR as shown by the solid line in FIG. 2 and a contact position in contact with the second main surface GRb of the glass ribbon GR as shown by the alternate long and short dash line. be able to.
  • the scribe drive unit 6 is composed of a belt type drive unit.
  • the scribe drive unit 6 includes a belt 11 that movably supports the wheel cutter 9, pulleys 12a and 12b arranged inside the belt 11, and a cover member 13 that covers the belt 11 and the pulleys 12a and 12b.
  • the belt 11 is formed in an endless band shape by a resin or the like.
  • the pulleys 12a and 12b include a drive pulley 12a and a driven pulley 12b that are separated along the width direction of the glass ribbon GR.
  • the drive pulley 12a is rotationally driven by an electric motor.
  • the belt 11 is driven by the drive pulley 12a to move the wheel cutter 9 along the width direction of the glass ribbon GR.
  • the cover member 13 is configured to have a hollow rectangular parallelepiped shape, but is not limited to this shape.
  • the cover member 13 is composed of a plurality of wall portions surrounding the belt 11 and the pulleys 12a and 12b.
  • the cover member 13 has an opening 13a connected to the dust collector 4.
  • the elevating mechanism 7a, 7b includes a first elevating mechanism 7a for elevating the wheel cutter 9 and the scribe drive unit 6, and a second elevating mechanism 7b for elevating the support bar 10.
  • Each of the elevating mechanisms 7a and 7b is configured by, for example, a ball screw mechanism, but is not limited to this configuration, and may be configured by various actuators capable of elevating and lowering.
  • the first elevating mechanism 7a includes a pair of first screw members 14a and a second screw member 14b, and a pair of first nut members 15a and 15a that engage with the respective screw members 14a and 14b.
  • the second nut member 15b and the like are included.
  • the lower ends of the screw members 14a and 14b are fixed to the upper part of the cover member 13 in the scribe drive unit 6.
  • the nut members 15a and 15b are rotatably supported by a support structure.
  • the nut members 15a and 15b are rotationally driven by the elevating drive unit 8a to raise and lower the screw members 14a and 14b.
  • the second elevating mechanism 7b includes a pair of first screw members 16a and a second screw member 16b, and a pair of first nut members 17a and second nuts that engage with the respective screw members 16a and 16b. Includes member 17b.
  • the lower ends of the screw members 16a and 16b are connected to the support bar 10.
  • the nut members 17a and 17b are rotationally driven by the elevating drive unit 8b to raise and lower the screw members 16a and 16b.
  • the elevating drive units 8a and 8b include a first elevating drive unit 8a for driving the first elevating mechanism 7a and a second elevating drive unit 8b for driving the second elevating mechanism 7b.
  • the first elevating drive unit 8a drives the belts 18a and 18b wound around the nut members 15a and 15b of the first elevating mechanism 7a and the belts 18a and 18b. It includes a pulley 19, an electric motor 20 that rotationally drives the drive pulley 19, and a cover member 21 that covers the belts 18a and 18b and the drive pulley 19.
  • the belts 18a and 18b are formed in an endless band shape by resin or the like.
  • the belts 18a and 18b include a first belt 18a for driving the first nut member 15a and a second belt 18b for driving the second nut member 15b.
  • the first belt 18a is wound around the first nut member 15a and the drive pulley 19.
  • the second belt 18b is wound around the second nut member 15b and the drive pulley 19.
  • the drive pulley 19 is arranged inside the first belt 18a and inside the second belt 18b.
  • the electric motor 20 is composed of, for example, a servo motor, but is not limited to this configuration, and may be configured by various other motors.
  • the shaft portion of the electric motor 20 is connected to the drive pulley 19.
  • the drive pulley 19 is configured to be rotatable forward and reverse by an electric motor 20.
  • the cover member 21 is configured to have a hollow rectangular parallelepiped shape, but is not limited to this shape.
  • the cover member 21 is composed of a plurality of wall portions surrounding the belts 18a and 18b and the drive pulley 19.
  • the cover member 21 accommodates the belts 18a and 18b, the drive pulley 19, a part of the screw members 14a and 14b of the first elevating mechanism 7a, and the nut members 15a and 15b.
  • the cover member 21 has an opening 21a connected to the dust collector 4. Inside the cover member 21, a support structure that rotatably supports the nut members 15a and 15b is arranged.
  • the second elevating drive unit 8b has the same configuration as the first elevating drive unit 8a.
  • the second elevating drive unit 8b includes an endless strip-shaped first belt 22a and a second belt 22b wound around the nut members 17a and 17b of the second elevating mechanism 7b, and each belt 22a. , 22b, a drive pulley 23 for driving the drive pulley 23, an electric motor 24 for rotationally driving the drive pulley 23, and a cover member 25 for covering the belts 22a, 22b and the drive pulley 23.
  • the cover member 25 of the second elevating drive unit 8b is configured to have a hollow rectangular parallelepiped shape, but is not limited to this shape.
  • the cover member 25 is composed of a plurality of wall portions surrounding the belts 22a and 22b and the drive pulley 23.
  • the cover member 25 accommodates the belts 22a and 22b, the drive pulley 23, a part of the screw members 16a and 16b of the second elevating mechanism 7b, and the nut members 17a and 17b.
  • the cover member 25 has an opening 25a connected to the dust collector 4. Inside the cover member 25, a support structure that rotatably supports the nut members 17a and 17b is arranged.
  • the folding device 3 includes a folding mechanism 26 for breaking the glass ribbon GR and a folding mechanism 27 for raising and lowering the folding mechanism 26.
  • the folding mechanism 26 is configured to support a fulcrum bar 28 forming a fulcrum related to the folding of the glass ribbon GR and a part of the glass ribbon GR, and to change the posture so as to apply bending stress to the glass ribbon GR.
  • Support devices 29a and 29b are provided.
  • the fulcrum bar 28 is composed of a rod-shaped member or a plate-shaped member formed in a long shape along the width direction of the glass ribbon GR, but is not limited to this shape.
  • the fulcrum bar 28 is arranged at a position below the scribe mechanism 5.
  • the fulcrum bar 28 is configured to be able to approach and separate from the glass ribbon GR.
  • the fulcrum bar 28 is located at a standby position that stands by away from the glass ribbon GR as shown by the solid line in FIG. 2 and a contact position that contacts the second main surface GRb of the glass ribbon GR as shown by the alternate long and short dash line. Can be changed.
  • the fulcrum bar 28 is configured to be movable in the vertical direction. The fulcrum bar 28 can move downward at the same speed as the descending speed of the glass ribbon GR.
  • the support devices 29a and 29b are arranged at a position below the fulcrum bar 28. As shown in FIG. 1, the support devices 29a and 29b include a first support device 29a that supports one end of the glass ribbon GR in the width direction and a second support device that supports the other end of the glass ribbon GR in the width direction. Includes 29b. The first support device 29a and the second support device 29b are arranged so as to face each other in the width direction of the glass ribbon GR.
  • each of the support devices 29a and 29b includes a plurality of chucks 30 arranged at predetermined intervals along the vertical direction, and a frame 31 for supporting each chuck 30.
  • the frame 31 is configured to perform a predetermined swinging motion (rotating motion) in order to apply bending stress to the glass ribbon GR.
  • the frame 31 is connected to a swing mechanism for performing this swing operation.
  • the swing mechanism is connected to a drive unit (swing drive unit) that drives the swing mechanism.
  • the folding elevating mechanism 27 includes a support member 27a that supports the frame 31 and a support column 27b that supports the support member 27a so as to be able to move up and down.
  • the support column 27b is provided with a motor and other drive units (folding up / down drive units) for raising and lowering the support member 27a.
  • the folding elevating mechanism 27 can move the frame 31 downward at the same speed as the downward moving speed of the glass ribbon GR.
  • the dust collector 4 includes a first connection unit 32 connected to the screen drive unit 6, a second connection unit 33 connected to the elevating drive units 8a and 8b, and a glass ribbon.
  • the suction unit 34 that sucks the glass powder generated when the GR is cut, the third connection part 35 that is connected to the suction part 34, and the dust collector 36 that is connected to the first connection part 32 to the third connection part 35. Be prepared.
  • the first connection portion 32 is composed of a flexible hose.
  • the first connection portion 32 is fixed to the cover member 13 so as to communicate with the opening portion 13a of the cover member 13 in the scribe drive unit 6.
  • the first connection portion 32 is configured to suck dust such as abrasion powder generated in the internal space of the cover member 13.
  • the first connection portion 32 is arranged near the pulleys 12a and 12b.
  • the second connection portion 33 is composed of a flexible hose as shown in FIGS. 1 to 3 and 5.
  • the second connecting portion 33 is fixed to the cover members 21 and 25 so as to communicate with the openings 21a and 25a formed in the cover members 21 and 25 of the elevating drive portions 8a and 8b.
  • the second connecting portion 33 is configured to suck dust such as abrasion powder generated in the internal space of the cover members 21 and 25.
  • the wear debris includes contact portions between the belts 18a, 18b, 22a, 22b and the drive pulleys 19, 23, belts 18a, 18b, 22a, 22b, screw members 14a, 14b, 16a, 16b, and nut members 15a, 15b.
  • the second connection portion 33 is arranged near the drive pulleys 19, 23, the screw members 14a, 14b, 16a, 16b, and the nut members 15a, 15b, 17a, 17b. Will be done.
  • the suction portion 34 is arranged so as to face the fulcrum bar 28 via the glass ribbon GR.
  • the suction unit 34 is configured to be able to approach and separate from the glass ribbon GR.
  • the suction unit 34 is located at a standby position away from the glass ribbon GR as shown by the solid line in FIG. 2 and a suction position located near the first main surface GRa of the glass ribbon GR as shown by the alternate long and short dash line. Can be changed.
  • the suction unit 34 is configured to be movable in the vertical direction.
  • the suction unit 34 can move downward at the same speed as the descending speed of the glass ribbon GR.
  • the third connection portion 35 is composed of a flexible hose.
  • the third connection portion 35 is fixed to a part of the suction portion 34 so as to send the glass powder sucked by the suction portion 34 to the dust collector 36.
  • the dust collector 36 is composed of a suction device that generates a negative pressure in each of the connection portions 32, 33, 35.
  • the dust collector 36 collects the dust in the elevating drive units 8a and 8b sucked by the first connection unit 32 and the second connection unit 33.
  • the dust collector 36 collects the glass powder sucked by the suction unit 34 through the third connection unit 35.
  • This method includes a cutting step of cutting out a glass plate by folding a part of the glass ribbon GR.
  • the cutting step includes a scribing step of forming a scribing wire SL on the glass ribbon GR, a bending stress applying step of applying bending stress to the glass ribbon GR, and a dust collecting step by a dust collector 4.
  • a scribe line SL along the width direction is formed by the scribe device 2 in the middle of the glass ribbon GR.
  • the scribe mechanism 5 of the scribe device 2 forms a scribe line SL on the first main surface GRa of the glass ribbon GR while descending at the same speed as the descending speed of the glass ribbon GR.
  • the folding device 3 has the same as the descending speed of the glass ribbon GR in a state where a part of the glass ribbon GR is supported by the support devices 29a and 29b of the folding mechanism 26. Lower at speed.
  • the scribe mechanism 5 moves the wheel cutter 9 and the support bar 10 from the standby position to the contact position.
  • the scribe mechanism 5 moves the wheel cutter 9 from one end to the other end in the width direction of the glass ribbon GR with the support bar 10 in contact with the second main surface GRb of the glass ribbon GR.
  • a linear scribe line SL along the width direction is formed on the first main surface GRa of the glass ribbon GR.
  • the scribe mechanism 5 moves the wheel cutter 9 and the support bar 10 to the standby position.
  • the folding device 3 moves the fulcrum bar 28 in the standby position to the contact position while maintaining the downward movement of the folding mechanism 26.
  • the fulcrum bar 28 comes into contact with a part of the second main surface GRb corresponding to the position where the scribe line SL is formed on the glass ribbon GR.
  • the folding mechanism 26 lowers the fulcrum bar 28 and the support devices 29a and 29b at the same speed as the lowering speed of the glass ribbon GR.
  • the dust collector 4 lowers the suction unit 34 from the standby position to the suction position while lowering the suction unit 34 at the same speed as the glass ribbon GR. Move it. As a result, the suction unit 34 is located in the vicinity of the scribe line SL. The suction unit 34 moves downward together with the glass ribbon GR while maintaining the suction position.
  • the folding mechanism 26 swings (rotates) the frame 31 while maintaining the support of the glass ribbon GR by the chucks 30 of the support devices 29a and 29b while the folding mechanism 26 descends.
  • the frame 31 swings so as to form a predetermined angle with the contact position between the fulcrum bar 28 and the glass ribbon GR as the center (fulcrum).
  • the support devices 29a and 29b change their postures from the vertical posture to the split posture (tilted posture).
  • the dust collector 4 constantly operates the dust collector 36 and sucks the air in the scribe drive unit 6 and the elevating drive units 8a and 8b via the first connection unit 32 and the second connection unit 33.
  • the dust collector 36 collects dust such as abrasion powder generated from the belts 11, 18a, 18b, 22a, and 22b.
  • the dust collector 4 collects the glass powder generated when the glass plate GS is cut out from the glass ribbon GR by the dust collector 36 through the suction unit 34 and the third connection unit 35.
  • the scribing mechanism 5 for cutting the glass ribbon GR, the scribing mechanism 7a, 7b, etc. are driven.
  • the dust collector 4 By sucking the air in the drive unit 6 and the elevating drive unit 8a, 8b by the dust collector 4, the wear debris generated from the belts 11, 18a, 18b, 22a, 22b of each drive unit 6, 8a, 8b can be removed. Dust can be removed. This makes it possible to prevent the quality of the glass plate GS from deteriorating due to the adhesion of dust to the glass ribbon GR.
  • the present invention is not limited to the configuration of the above embodiment, and is not limited to the above-mentioned action and effect.
  • the present invention can be modified in various ways without departing from the gist of the present invention.
  • the scribe device 2 provided with the support bar 10 is exemplified, but the present invention is not limited to this configuration.
  • the scribe mechanism 5 of the scribe device 2 may include a columnar support roller instead of the support bar 10.
  • the glass ribbon GR is sandwiched between the support roller and the wheel cutter 9 from both sides of the first main surface GRa and the second main surface GRb, and both of them synchronize with each other to form the glass ribbon GR. It may be configured to move along the width direction.
  • the scribe device 2 may include a belt-type drive unit for moving the support roller. This drive unit may have the same configuration as the scribe drive unit 6 related to the wheel cutter 9.
  • the dust collector 4 may include a connection portion connected to a scribe drive portion related to the support roller. This connection portion may have the same configuration as the first connection portion 32.
  • the cutting mechanism according to the present invention includes not only the scribe mechanism 5 and the elevating mechanism 7a and 7b, but also the folding mechanism 26 and the swinging mechanism.
  • the drive unit to be dust collected by the dust collector 4 includes a folding lift drive unit that drives the folding mechanism 26 of the folding device 3 and a rocking drive unit that drives the rocking mechanism.
  • the dust collector 4 may include a connecting portion connected to these driving portions.
  • the dust collector 4 can collect dust composed of oil stains and the like generated from, for example, lubricating oil and the like.
  • the wheel cutter 9 is exemplified as a member for forming the scribe wire SL, but the present invention is not limited to this configuration.
  • the member for forming the scribe line SL another member may be used as long as it can form the scribe line SL by moving on the first main surface GRa of the glass ribbon GR.
  • a needle-shaped blade or the like may be used as the scribe line forming member.

Abstract

Un appareil de fabrication d'une feuille de verre est pourvu d'un dispositif de coupe pour couper un ruban de verre GR qui est distribué vers le bas à la verticale pour former une feuille de verre GS. Le dispositif de coupe (1) est équipé d'un mécanisme de coupe (5) pour couper le ruban de verre GR, d'une unité d'entraînement (6) pour entraîner le mécanisme de coupe (5), et d'un dispositif de collecte de poussière (4) pour collecter la poussière générée à partir de l'unité d'entraînement (6).
PCT/JP2021/011941 2020-06-09 2021-03-23 Appareil et procédé de fabrication de feuille de verre WO2021250975A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180025615.8A CN115362136A (zh) 2020-06-09 2021-03-23 玻璃板的制造装置以及制造方法
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WO2023243308A1 (fr) * 2022-06-17 2023-12-21 日本電気硝子株式会社 Procédé et dispositif de fabrication de plaques de verre
WO2024004634A1 (fr) * 2022-06-27 2024-01-04 日本電気硝子株式会社 Dispositif et procédé de production d'une plaque de verre

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CA3204504A1 (fr) 2021-03-02 2022-09-09 Takuya Sunakawa Dispositif de decoupe de piece et procede de decoupe de piece

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WO2024004634A1 (fr) * 2022-06-27 2024-01-04 日本電気硝子株式会社 Dispositif et procédé de production d'une plaque de verre

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