WO2009093660A1 - Cutter head device for glass cutting machine - Google Patents

Cutter head device for glass cutting machine Download PDF

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Publication number
WO2009093660A1
WO2009093660A1 PCT/JP2009/050982 JP2009050982W WO2009093660A1 WO 2009093660 A1 WO2009093660 A1 WO 2009093660A1 JP 2009050982 W JP2009050982 W JP 2009050982W WO 2009093660 A1 WO2009093660 A1 WO 2009093660A1
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WO
WIPO (PCT)
Prior art keywords
cutter
glass plate
cutter holder
head device
cutting machine
Prior art date
Application number
PCT/JP2009/050982
Other languages
French (fr)
Japanese (ja)
Inventor
Hideo Motomura
Original Assignee
Asahi Glass Co., Ltd.
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 Asahi Glass Co., Ltd. filed Critical Asahi Glass Co., Ltd.
Priority to CN2009801029786A priority Critical patent/CN101925547B/en
Priority to KR1020107015783A priority patent/KR101407897B1/en
Publication of WO2009093660A1 publication Critical patent/WO2009093660A1/en

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    • 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
    • B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
    • B28D1/24—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
    • 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
    • C03B33/10—Glass-cutting tools, e.g. scoring tools
    • 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

Definitions

  • the present invention relates to a cutter head device for a glass cutting machine, and more particularly to a cutter head device for a glass cutting machine that processes a cut line on the surface of a glass plate in order to cut the glass plate.
  • Patent Document 1 a cutter holder provided with a cutter wheel, a pressurizing means for urging the cutter holder toward the work brittle material side, and the pressurizing means with the cutter wheel facing the work brittle material side.
  • a cutter head device for a fragile material to be processed, in which a cutter holder is connected to a pressurizing means by a leaf spring piece, is disclosed.
  • this work brittle material cutter head device first, when detecting the upper surface level of the work brittle material, the cutter wheel is driven in the direction in which the cutter wheel contacts the work brittle material while pressing the cutter holder with the pressurizing means by air pressure.
  • the pressurizing means is moved downward by the means.
  • the upper surface level of the fragile material to be processed is detected by momentarily bending the leaf spring piece supporting the cutter holder with the pressurizing means. .
  • the head body is moved in the direction of the cutting line of the fragile material to be processed by the cutter wheel set in accordance with the detected upper surface level and the depth of cut of the fragile material to be processed, and the cutting wheel is moved to the upper surface of the fragile material to be processed. Cut the cut line.
  • the cutter head device for the work brittle material cutting machine such as the glass plate of Patent Document 1 has a problem that when the cutting line processing speed is increased due to the recent demand for improvement in production efficiency, the cutting line is curved out of the specified cutting line. There has occurred.
  • cutting lines cannot be processed continuously, so-called “flying” processing defects occur in the cutting lines, and the cutting line depth varies and the cutter wheel is loaded, so the service life of the cutter wheel is increased. There was also a problem that was shortened.
  • the present invention has been made in view of such circumstances, and eliminates cutting line defects such as bending, jumping, and variation in depth, which occur when the cutting line speed is increased, and increases the service life of the cutter wheel. It aims at providing the cutter head apparatus for glass cutting machines which can be extended.
  • the present inventor verified the cause of the failure caused by the above-described cutter head device for a glass cutter in Patent Document 1 using an actual device.
  • the cutter holder moves up and down via a leaf spring piece (in a direction orthogonal to the surface of the glass plate) against “swells (irregularities in a wide range)” generated on the surface of the glass plate.
  • the cutter wheel is considered to be a device that processes a cut line of a certain depth into a glass plate by following the “undulation”.
  • a first embodiment of the present invention includes a cutter wheel that cuts a cutting line on a glass plate, a cutter holder that rotatably supports the cutter wheel, and the cutter holder that can move forward and backward with respect to the glass plate via a leaf spring.
  • a cutter for a glass cutting machine comprising: a head body that is supported by the head body and is movable in a cutting direction of the glass plate; and a pressurizing unit that is provided in the head body and presses the cutter holder against the glass plate.
  • the cutter holder is provided with a guide member for guiding the forward and backward movement of the cutter holder with respect to the glass plate in a state in which the twist of the leaf spring is restricted.
  • a cutter head device is provided.
  • the guide member guides the forward / backward movement of the cutter holder with respect to the glass plate in a state in which the twist of the leaf spring is restricted, the cutting line failure such as bending of the cutting line, jumping, and variation in depth
  • the leaf spring is elastically deformed only in the original direction without being twisted. It moves only in the orthogonal direction and smoothly follows the “swell”.
  • the load on the cutter wheel can be reduced, the service life of the cutter wheel can be extended.
  • a second embodiment of the present invention is characterized in that, in the first embodiment, the guide member is a ring-shaped rotating member that is slidably contacted with the head main body.
  • the cutter holder is provided with a ring-shaped rotation member as a guide member so as to be rotatable.
  • the periphery of the rotating member is slidably contacted with the head main body, and guides the forward and backward movement of the cutter holder with respect to the glass plate in a state where the twist of the leaf spring is restricted.
  • the apparatus of the second embodiment it is possible to surely eliminate the cutting line processing failure such as curve of the cutting line, jumping, and variation in depth, which occurs when the processing speed is increased, and the use of the cutter wheel.
  • the lifetime it can be extended approximately twice as much as that of the apparatus of Patent Document 1.
  • a structure in which a part of the cutter holder and the cutter main body are brought into surface contact and slid to restrict torsion of the leaf spring may be used, but as in the second embodiment, a ring that is a rotating member as a guide member If the shaped member is used, the rotating member and the cutter main body are in line contact, and the frictional resistance is reduced as compared with surface contact. Therefore, the cutter holder can follow the subtle “swell” of the glass plate more smoothly. Therefore, the cutting line can be processed accurately, and the load on the cutter wheel can be further reduced, which contributes to a longer life of the cutter wheel.
  • the rotating members are respectively disposed on both sides in the horizontal direction with the cutter wheel sandwiched between the cutter holder, and slide the vertical surface of the head body. It is provided to be movable.
  • the rotating members are arranged on both sides in the horizontal direction with the cutter holder interposed therebetween.
  • the cutter holder stably follows the “swell” without being inclined.
  • a fourth embodiment of the present invention is characterized in that, in the second or third embodiment, the rotating member is a bearing.
  • the fourth embodiment it is preferable to use a commercially available bearing as the rotating member. Since the bearing has a small rotational resistance due to the rolling elements and a small variation in the outer dimension of the outer ring, it is possible to provide a rotating member with better rotational accuracy and sliding accuracy.
  • the guide member guides the forward / backward movement of the cutter holder with respect to the glass plate in a state where the twist of the leaf spring is restricted. It is possible to eliminate the cutting line processing failure and to extend the service life of the cutter wheel.
  • FIG. 1 shows a longitudinal sectional view of a cutter head device 10 for a glass cutting machine according to an embodiment.
  • the cutter head device 10 includes a cutter wheel 12, a cutter holder 14, a leaf spring 16, a head body 18, an air cylinder device (pressurizing means) 20, a bearing (guide member, rotating member) 22, and the like.
  • the cutter wheel 12 for processing a cutting line on the surface of the glass plate G is rotatably supported on the lower end of the cutter wheel support 26 via a shaft 24 arranged in the horizontal direction.
  • a shaft 28 protrudes in the vertical direction, and this shaft 28 is supported by the cutter holder 14 via a bearing 30.
  • the cutter wheel 12 is supported by the cutter holder 14 via the cutter wheel support 26 and the cutter wheel support 26 is rotatable in the horizontal direction about the shaft 28 as a rotation axis.
  • the air cylinder device 20 is a means for urging the cutter holder 14 downward toward the surface of the glass plate G by air pressure, and the air cylinder device 20 has an elevating body 32 at the top.
  • the elevating body 32 includes a cylinder portion 34 at the lower portion and a frame portion 36 disposed at the lower peripheral portion of the cylinder portion 34.
  • a piston 38 that moves up and down in the hollow portion is slidably disposed in the hollow portion of the cylinder portion 34, and a roller 40 that presses the upper surface of the cutter holder 14 is horizontally disposed at the lower end portion of the piston 38.
  • the shaft 42 is rotatably supported via the arranged shaft 42.
  • an air passage 44 communicating with the hollow portion of the cylinder portion 34 is formed in the upper portion of the elevating body 32, and the air passage 44 is opened on the upper side surface of the elevating body 32.
  • the elevating body 32 is slidable in the vertical direction in a sliding chamber 46 which is a hollow portion of the head main body 18 and whose lower surface is opened.
  • a slide guide 48 is disposed between the inner peripheral surface of the sliding chamber 46 and the lower outer peripheral surface of the elevating body 32.
  • the elevating body 32 is slid in the vertical direction with respect to the sliding chamber 46 while being kept airtight by the slide guide 48.
  • the upper part of the sliding chamber 46 has an airtight structure. Therefore, the air pressure supplied from the air supply port 50 formed in the head main body 18 is applied to the upper part of the piston 38 via the air passage 44 of the elevating body 32, thereby moving the piston 38 downward.
  • a through hole 52 is opened at the top of the head body 18.
  • an elevating shaft 54 protruding from the upper part of the elevating body 32 is projected and subtracted in the vertical direction in a state where airtightness is maintained between the through hole 52.
  • the elevating shaft 54 is moved up and down by a driving means 56 such as a stepping motor in a direction in which the cutter wheel 12 advances and retreats with respect to the surface of the glass plate G.
  • the left side portion of the frame portion 36 of the air cylinder device 20 in FIG. 1 and the left side portion of the cutter holder 14 are connected by a leaf spring 16 arranged in the vertical direction.
  • the leaf spring 16 is fixed to the frame portion 36 and the cutter holder 14 with bolts 58 and 59.
  • the frame portion 36 is prevented from being rotated around the head body 18 by a rotation stop pin 60.
  • the cutter holder 14 is supported by the head main body 18 via the leaf spring 16, the frame portion 36, and the rotation stopper pin 60.
  • a stopper plate 62 is projected in the horizontal direction on the right side of the cutter holder 14 in FIG. 1, and a stopper pin 64 with which the lower surface of the stopper plate 62 abuts is attached to the lower portion of the head body 18. It has been.
  • the cutter holder 14 is supported by the elastic force of the leaf spring 16 with respect to the head body 18 so as to be swingable in the vertical direction with the fixing point of the bolt 58 as a fulcrum, and the stopper plate 62 abuts against the stopper pin 64. As a result, the downward swing is restricted.
  • the bearing 22 is rotatably attached to the right side surface of the cutter holder 14 in FIG. 1 via a shaft 66 protruding in the horizontal direction.
  • This bearing is a so-called miniature (small diameter) ball bearing, and is composed of an inner ring, an outer ring, and a rolling element, and the outer ring is rotatable by fitting the inner ring to the shaft 66.
  • a ring-shaped rotating member may be rotatably supported on the shaft 66.
  • FIG. 2 is an enlarged perspective view of the main part showing the operation of the cutter wheel 12 when the leaf spring 16 is elastically operated during the cutting process
  • FIG. 3 is an explanatory view of the operation viewed from the side
  • FIG. 4 is the operation thereof. It is explanatory drawing which looked at from the back side of the bearing 22.
  • the bearings 22 are disposed on both sides of the cutter wheel 12 and are rotatably disposed with a shaft 66 disposed on the same axis as a rotation axis. These bearings 22 and 22 are bearings of the same model.
  • a guide surface (vertical surface) 19 with which the bearings 22 and 22 are brought into contact is formed at the lower portion of the head body 18, and the guide surface 19 is formed flat in the vertical direction.
  • the bearings 22 and 22 are moved up and down along the guide surface 19 while being rotated by frictional resistance between the bearings 22 and 22 and the guide surface 19.
  • An arc-shaped escape groove 68 is formed in the lower portion of the head body 18 for allowing the bearings 22 and 22 to escape when the bearings 22 and 22 are moved upward.
  • the air cylinder device 20 and the driving means 56 are driven, and the cutting depth of the cut line to be processed into the glass plate G by the cutter wheel 12 is set. Since the setting of the depth of cut is a known method, its description is omitted here.
  • the cutter head device 10 is moved in the horizontal direction with respect to the glass plate G placed in the horizontal direction, and a cut line is processed in the glass plate G.
  • the cutter holder 14 of the cutter head device 10 When machining is started, the cutter holder 14 of the cutter head device 10 receives a force in an opposite direction to the upward force and the cutting line processing direction by the reaction force that the cutter wheel 12 receives from the glass plate G at the processing start point. As a result, the leaf spring 16 is elastically deformed in the direction in which the cutter holder 14 is raised, and allows the cutter holder 14 to move. Due to this action, the bearings 22 and 22 come into contact with the guide surface 19 of the head main body 18 as shown by the solid line in FIG.
  • the leaf spring 16 is elastically deformed to allow the cutter wheel 12 to move in the aforementioned direction so that the cutter wheel 12 follows the “undulation” of the glass plate G.
  • the bearings 22 and 22 move up and down as indicated by a two-dot chain line in FIGS. 2 to 4 while rotating while being in sliding contact with the guide surface of the head body 18. That is, the bearings 22 and 22 guide the vertical movement (back and forth movement) of the cutter holder 14 with respect to the glass plate G in a state where the twist of the leaf spring 16 is restricted.
  • the plate spring 16 is elastically deformed only in the original direction without being twisted by the “undulation” of the glass plate G, so that the cutter wheel 12 is the surface of the glass plate G. It moves only in the direction orthogonal to the "swell” and follows smoothly.
  • the cutter head device 10 can eliminate the cutting line processing failure such as cutting of the cutting line, jumping, and variation in depth, which occurs when the processing speed is increased.
  • the bearings 22 and 22 are arranged on both sides in the horizontal direction with the cutter holder 14 interposed therebetween, so that the cutter holder 14 is stable without being inclined with respect to “swell”.
  • the cutter head device 10 uses a commercially available bearing 22 as a rotating member. Since the rolling resistance of the bearing 22 is small due to the rolling elements, and the variation in the outer dimension of the outer ring is small, it is possible to provide a rotating member with good rotational accuracy and sliding accuracy.
  • the bearings 22 and 22 which are rotating members are exemplified as the guide member, but the present invention is not limited to this. That is, the guide member may be any member that can guide the forward / backward movement of the cutter holder 14 relative to the glass plate G in a state where the twist of the leaf spring 16 is restricted.
  • the guide member may be any member that can guide the forward / backward movement of the cutter holder 14 relative to the glass plate G in a state where the twist of the leaf spring 16 is restricted.
  • the above-described problem occurs when the cutting line processing speed is increased to 300 mm / s.
  • the cutting line processing speed is 300 mm / s or more (for example, 650 mm / s). ) was set and the glass plate was cut, but there was no cut line defect such as curve, jump, and variation in depth.
  • the cutter head device 10 has a life that is approximately twice that of the cutter head device of Patent Document 1.

Abstract

A cutter head device for a glass cutting machine has a cutter wheel for making a cut line in a glass plate, a cutter holder for rotatably supporting the cutter wheel, a head body for supporting the cutter holder via a plate spring so that the cutter holder can advance and retract relative to the glass plate and adapted to be movable in the direction of forming the cut line in the glass plate, and pressing means provided to the head body and pressing the cutter holder against the glass plate. The cutter holder has a guide member for guiding advance and retraction of the cutter holder relative to the glass plate with a twist of the plate spring restricted.

Description

ガラス切断機用カッターヘッド装置Cutter head device for glass cutting machine
　本発明はガラス切断機用カッターヘッド装置に係り、特にガラス板を切断するためにガラス板の表面に切線を加工するガラス切断機用カッターヘッド装置に関する。 The present invention relates to a cutter head device for a glass cutting machine, and more particularly to a cutter head device for a glass cutting machine that processes a cut line on the surface of a glass plate in order to cut the glass plate.
　特許文献１には、カッターホイールが設けられたカッターホルダと、カッターホルダを被加工脆弱材料側に向けて付勢する加圧手段と、加圧手段をカッターホイールが被加工脆弱材料側に向けて進退する方向に昇降移動させる駆動手段と、加圧手段をカッターホイールが被加工脆弱材料側に進退自在に支持しかつ被加工脆弱材料のスクライブ方向に移動自在に設けられたヘッド本体とを備え、加圧手段にカッターホルダが板ばね片にて連結された被加工脆弱材料用カッターヘッド装置が開示されている。 In Patent Document 1, a cutter holder provided with a cutter wheel, a pressurizing means for urging the cutter holder toward the work brittle material side, and the pressurizing means with the cutter wheel facing the work brittle material side. A driving means for moving up and down in the advancing and retreating direction, and a head body that supports the pressurizing means so that the cutter wheel can move forward and backward on the work brittle material side and is movable in the scribe direction of the work brittle material, A cutter head device for a fragile material to be processed, in which a cutter holder is connected to a pressurizing means by a leaf spring piece, is disclosed.
　この被加工脆弱材料カッターヘッド装置によれば、まず、被加工脆弱材料の上面レベル検出に際し、空気圧による加圧手段によりカッターホルダを押圧しながら、カッターホイールが被加工脆弱材料に接触する方向に駆動手段により加圧手段を下降移動させる。そして、カッターホイールが被加工脆弱材料に接触すると、その接触圧によって、カッターホルダを加圧手段に支持した板ばね片が瞬間的に撓むことにより、被加工脆弱材料の上面レベルが検出される。そして、この検出した被加工脆弱材料の上面レベルと切り込み深さとに応じて設定したカッターホイールによりヘッド本体を被加工脆弱材料の切線方向に移動させて、カッターホイールにて被加工脆弱材料の上面に切線を加工する。
特開２００５－２２５７３０号公報 According to this work brittle material cutter head device, first, when detecting the upper surface level of the work brittle material, the cutter wheel is driven in the direction in which the cutter wheel contacts the work brittle material while pressing the cutter holder with the pressurizing means by air pressure. The pressurizing means is moved downward by the means. When the cutter wheel comes into contact with the fragile material to be processed, the upper surface level of the fragile material to be processed is detected by momentarily bending the leaf spring piece supporting the cutter holder with the pressurizing means. . Then, the head body is moved in the direction of the cutting line of the fragile material to be processed by the cutter wheel set in accordance with the detected upper surface level and the depth of cut of the fragile material to be processed, and the cutting wheel is moved to the upper surface of the fragile material to be processed. Cut the cut line.
JP 2005-225730 A
　しかしながら、特許文献１のガラス板などの被加工脆弱材料切断機用カッターヘッド装置は、近年の生産効率向上の要求により切線加工速度を上げた場合、切線が規定の切線から外れて湾曲するという不具合が発生した。また、切線を連続して加工することができず、切線にいわゆる「飛び」という加工不良が生じ、更に、切線の深さにバラツキが生じるとともに、カッターホイールに負荷がかかるのでカッターホイールの使用寿命が短くなるという不具合も発生した。 However, the cutter head device for the work brittle material cutting machine such as the glass plate of Patent Document 1 has a problem that when the cutting line processing speed is increased due to the recent demand for improvement in production efficiency, the cutting line is curved out of the specified cutting line. There has occurred. In addition, cutting lines cannot be processed continuously, so-called “flying” processing defects occur in the cutting lines, and the cutting line depth varies and the cutter wheel is loaded, so the service life of the cutter wheel is increased. There was also a problem that was shortened.
　本発明は、このような事情に鑑みてなされたもので、切線加工速度を上げた際に生じる、切線の湾曲、飛び、深さのバラツキという切線加工不良を解消するとともにカッターホイールの使用寿命を延ばすことができるガラス切断機用カッターヘッド装置を提供することを目的とする。 The present invention has been made in view of such circumstances, and eliminates cutting line defects such as bending, jumping, and variation in depth, which occur when the cutting line speed is increased, and increases the service life of the cutter wheel. It aims at providing the cutter head apparatus for glass cutting machines which can be extended.
　本発明者は、前述した特許文献１のガラス切断機用カッターヘッド装置による不具合の発生原因を、実機装置を用いて検証した。 The present inventor verified the cause of the failure caused by the above-described cutter head device for a glass cutter in Patent Document 1 using an actual device.
　まず、特許文献１のカッターヘッド装置は、ガラス板の表面に生じる「うねり（広範囲での凸凹）」に対し、カッターホルダが板ばね片を介して上下移動（ガラス板の表面に対して直交方向に進退移動）することにより、カッターホイールが「うねり」に追従して一定深さの切線をガラス板に加工する装置であると考えられていた。 First, in the cutter head device of Patent Document 1, the cutter holder moves up and down via a leaf spring piece (in a direction orthogonal to the surface of the glass plate) against “swells (irregularities in a wide range)” generated on the surface of the glass plate. The cutter wheel is considered to be a device that processes a cut line of a certain depth into a glass plate by following the “undulation”.
　しかしながら、特許文献１のカッターヘッド装置では、ガラス板に「うねり」が生じている場合、カッターホイールがガラス板から受ける反力の変化によって、カッターホイールが切線の加工に不要な方向に微動するという現象を実験により確認し、この現象によって特許文献１のカッターヘッド装置がもつ不具合が発生することを確認した。 However, in the cutter head device of Patent Document 1, when “undulation” is generated in the glass plate, the cutter wheel is finely moved in a direction unnecessary for cutting the cut line due to a change in the reaction force that the cutter wheel receives from the glass plate. The phenomenon was confirmed by an experiment, and it was confirmed that this phenomenon caused a problem with the cutter head device of Patent Document 1.
　このようなカッターホイールの不安定な動作は、板ばね片が本来の方向に弾性変形せず捩れてしまうことが原因であり、板ばねの捩れを規制することができればカッターホイールの動作が安定し、特許文献１のカッターヘッド装置が持つ不具合を解消できることをつきとめた。 Such an unstable operation of the cutter wheel is caused by the leaf spring piece being twisted without elastic deformation in the original direction, and if the twist of the leaf spring can be controlled, the operation of the cutter wheel becomes stable. It has been found that the problems of the cutter head device of Patent Document 1 can be solved.
　本発明の第１の実施様態は、ガラス板に切線を加工するカッターホイールと、該カッターホイールを回転自在に支持するカッターホルダと、該カッターホルダが板ばねを介してガラス板に対し進退移動自在に支持されるとともにガラス板の切線加工方向に移動自在に設けられたヘッド本体と、該ヘッド本体に設けられ前記カッターホルダをガラス板に加圧する加圧手段と、を備えたガラス切断機用カッターヘッド装置において、前記カッターホルダには、前記板ばねの捩れを規制した状態で前記ガラス板に対する、前記カッターホルダの進退移動を案内する案内部材が設けられていることを特徴とするガラス切断機用カッターヘッド装置を提供する。 A first embodiment of the present invention includes a cutter wheel that cuts a cutting line on a glass plate, a cutter holder that rotatably supports the cutter wheel, and the cutter holder that can move forward and backward with respect to the glass plate via a leaf spring. A cutter for a glass cutting machine, comprising: a head body that is supported by the head body and is movable in a cutting direction of the glass plate; and a pressurizing unit that is provided in the head body and presses the cutter holder against the glass plate. In the head device, the cutter holder is provided with a guide member for guiding the forward and backward movement of the cutter holder with respect to the glass plate in a state in which the twist of the leaf spring is restricted. A cutter head device is provided.
　前記第１の実施様態によれば、案内部材が板ばねの捩れを規制した状態でガラス板に対する、カッターホルダの進退移動を案内するので、切線の湾曲、飛び、深さのバラツキという切線加工不良を解消することができ、また、ガラス板に「うねり」が生じている場合であっても、板ばねは捻じれることなく本来の方向にのみ弾性変形するので、カッターホイールはガラス板の表面に直交する方向のみに動き、「うねり」に滑らかに追従する。
　また、カッターホイールの負荷が低減できるのでカッターホイールの使用寿命も伸ばすことができる。 According to the first embodiment, since the guide member guides the forward / backward movement of the cutter holder with respect to the glass plate in a state in which the twist of the leaf spring is restricted, the cutting line failure such as bending of the cutting line, jumping, and variation in depth In addition, even when “undulation” occurs in the glass plate, the leaf spring is elastically deformed only in the original direction without being twisted. It moves only in the orthogonal direction and smoothly follows the “swell”.
Moreover, since the load on the cutter wheel can be reduced, the service life of the cutter wheel can be extended.
　本発明の第２の実施様態は、前記第１の実施様態において、前記案内部材は、前記ヘッド本体に摺接されるリング状の回動部材であることを特徴としている。 A second embodiment of the present invention is characterized in that, in the first embodiment, the guide member is a ring-shaped rotating member that is slidably contacted with the head main body.
　前記第２の実施様態によれば、カッターホルダに、案内部材であるリング状の回動部材を回動自在に設けることが好ましい。この回動部材の周縁がヘッド本体に摺接されて、板ばねの捩れを規制した状態でカッターホルダのガラス板に対する進退移動を案内する。
　前記第２の実施様態の装置によれば、加工速度を上げた際に生じる、切線の湾曲、飛び、深さのバラツキという切線加工不良を確実に解消することができ、また、カッターホイールの使用寿命に関しては、特許文献１の装置に対して略２倍に延ばすことができる。
　カッターホルダの一部とカッター本体とを面接触させて摺動させる形態で、板ばねの捩れを規制する構造でもよいが、前記第２の実施様態の如く、案内部材として回動部材であるリング状部材を使用すれば、回動部材とカッター本体とは線接触となり面接触に比べ摩擦抵抗が減少するため、カッターホルダはガラス板の微妙な「うねり」にさらに円滑に追従できる。よって、切線を正確に加工することができ、またカッターホイールの負荷がさらに低減できるのでカッターホイールの長寿命化に寄与する。 According to the second embodiment, it is preferable that the cutter holder is provided with a ring-shaped rotation member as a guide member so as to be rotatable. The periphery of the rotating member is slidably contacted with the head main body, and guides the forward and backward movement of the cutter holder with respect to the glass plate in a state where the twist of the leaf spring is restricted.
According to the apparatus of the second embodiment, it is possible to surely eliminate the cutting line processing failure such as curve of the cutting line, jumping, and variation in depth, which occurs when the processing speed is increased, and the use of the cutter wheel. Regarding the lifetime, it can be extended approximately twice as much as that of the apparatus of Patent Document 1.
A structure in which a part of the cutter holder and the cutter main body are brought into surface contact and slid to restrict torsion of the leaf spring may be used, but as in the second embodiment, a ring that is a rotating member as a guide member If the shaped member is used, the rotating member and the cutter main body are in line contact, and the frictional resistance is reduced as compared with surface contact. Therefore, the cutter holder can follow the subtle “swell” of the glass plate more smoothly. Therefore, the cutting line can be processed accurately, and the load on the cutter wheel can be further reduced, which contributes to a longer life of the cutter wheel.
　本発明の第３の実施様態は、前記第２の実施様態において、前記回動部材は、前記カッターホルダに前記カッターホイールを挟んで水平方向両側に各々配置され、前記ヘッド本体の垂直面を摺動可能に設けられたことを特徴とする。 According to a third embodiment of the present invention, in the second embodiment, the rotating members are respectively disposed on both sides in the horizontal direction with the cutter wheel sandwiched between the cutter holder, and slide the vertical surface of the head body. It is provided to be movable.
　前記第３の実施様態によれば、カッターホルダを挟んで水平方向両側に回動部材を配置することが好ましい。これにより、カッターホルダが「うねり」に対してより傾斜することなく安定して追従動作する。 According to the third embodiment, it is preferable that the rotating members are arranged on both sides in the horizontal direction with the cutter holder interposed therebetween. As a result, the cutter holder stably follows the “swell” without being inclined.
　本発明の第４の実施様態は、前記第２又は第３の実施様態において、前記回動部材が、ベアリングであることを特徴とする。 A fourth embodiment of the present invention is characterized in that, in the second or third embodiment, the rotating member is a bearing.
　前記第４の実施様態によれば、回動部材として市販のベアリングを使用することが好ましい。ベアリングは、転動体により回転抵抗も小さく、また、外輪の外形寸法のバラツキも小さいため、より回転精度、摺動精度のよい回動部材を提供できる。 According to the fourth embodiment, it is preferable to use a commercially available bearing as the rotating member. Since the bearing has a small rotational resistance due to the rolling elements and a small variation in the outer dimension of the outer ring, it is possible to provide a rotating member with better rotational accuracy and sliding accuracy.
　本発明のガラス切断機用カッターヘッド装置によれば、案内部材が板ばねの捩れを規制した状態でガラス板に対する、カッターホルダの進退移動を案内するので、切線の湾曲、飛び、深さのバラツキという切線加工不良を解消することができ、また、カッターホイールの使用寿命も伸ばすことができる。 According to the cutter head device for a glass cutting machine of the present invention, the guide member guides the forward / backward movement of the cutter holder with respect to the glass plate in a state where the twist of the leaf spring is restricted. It is possible to eliminate the cutting line processing failure and to extend the service life of the cutter wheel.
実施の形態のガラス切断機用カッターヘッド装置の縦断面図である。It is a longitudinal cross-sectional view of the cutter head apparatus for glass cutting machines of embodiment. 板ばねが弾性動作した際のカッターホイールの動作を示した要部拡大斜視図である。It is the principal part expansion perspective view which showed operation | movement of the cutter wheel when a leaf | plate spring elastically operated. 図２の動作を側面から見た説明図である。It is explanatory drawing which looked at the operation | movement of FIG. 2 from the side surface. 図２の動作をベアリングの後方側から見た説明図である。It is explanatory drawing which looked at the operation | movement of FIG. 2 from the back side of the bearing.
符号の説明Explanation of symbols
　１０…ガラス切断機用カッターヘッド装置
　１２…カッターホイール
　１４…カッターホルダ
　１６…板ばね
　１８…ヘッド本体
　１９…ガイド面
　２０…エアシリンダ装置（加圧手段）
　２２…ベアリング（回動部材）
　２４…軸
　２６…カッターホイール支持体
　２８…軸
　３０…ベアリング
　３２…昇降体
　３４…シリンダー部
　３６…枠部
　３８…ピストン
　４０…ローラ
　４２…軸
　４４…通気路
　４６…摺動室
　４８…スライドガイド
　５０…空気供給口
　５２…貫通孔
　５４…昇降軸
　５６…駆動手段
　５８…ボルト
　５９…ボルト
　６０…回り止めピン
　６２…ストッパー板
　６４…ストッパーピン
　６６…軸 DESCRIPTION OF SYMBOLS 10 ... Cutter head apparatus for glass cutting machines 12 ... Cutter wheel 14 ... Cutter holder 16 ... Plate spring 18 ... Head main body 19 ... Guide surface 20 ... Air cylinder apparatus (pressurizing means)
22 ... Bearing (rotating member)
24 ... Shaft 26 ... Cutter wheel support 28 ... Shaft 30 ... Bearing 32 ... Lifting body 34 ... Cylinder part 36 ... Frame part 38 ... Piston 40 ... Roller 42 ... Shaft 44 ... Ventilation path 46 ... Sliding chamber 48 ... Slide guide 50 ... Air supply port 52 ... Through hole 54 ... Elevating shaft 56 ... Drive means 58 ... Bolt 59 ... Bolt 60 ... Non-rotating pin 62 ... Stopper plate 64 ... Stopper pin 66 ... Shaft
　以下、添付図面に従って本発明に係るガラス切断機用カッターヘッド装置の好ましい実施の形態について説明する。 Hereinafter, preferred embodiments of a cutter head device for a glass cutting machine according to the present invention will be described with reference to the accompanying drawings.
　図１には、実施の形態のガラス切断機用カッターヘッド装置１０の縦断面図が示されている。このカッターヘッド装置１０はカッターホイール１２、カッターホルダ１４、板ばね１６、ヘッド本体１８、エアシリンダ装置（加圧手段）２０、及びベアリング（案内部材、回動部材）２２等から構成されている。 FIG. 1 shows a longitudinal sectional view of a cutter head device 10 for a glass cutting machine according to an embodiment. The cutter head device 10 includes a cutter wheel 12, a cutter holder 14, a leaf spring 16, a head body 18, an air cylinder device (pressurizing means) 20, a bearing (guide member, rotating member) 22, and the like.
　ガラス板Ｇの表面に切線を加工するカッターホイール１２は、水平方向に配置された軸２４を介してカッターホイール支持体２６の下端に回転自在に支持されている。このカッターホイール支持体２６の上面には、軸２８が鉛直方向に突設され、この軸２８がカッターホルダ１４にベアリング３０を介して支持される。これにより、カッターホイール１２がカッターホイール支持体２６を介してカッターホルダ１４に支持されるとともに、カッターホイール支持体２６が、軸２８を回転軸として水平方向に回転自在となっている。 The cutter wheel 12 for processing a cutting line on the surface of the glass plate G is rotatably supported on the lower end of the cutter wheel support 26 via a shaft 24 arranged in the horizontal direction. On the upper surface of the cutter wheel support 26, a shaft 28 protrudes in the vertical direction, and this shaft 28 is supported by the cutter holder 14 via a bearing 30. As a result, the cutter wheel 12 is supported by the cutter holder 14 via the cutter wheel support 26 and the cutter wheel support 26 is rotatable in the horizontal direction about the shaft 28 as a rotation axis.
　エアシリンダ装置２０は、カッターホルダ１４をエア圧によりガラス板Ｇの表面に向けて下方に付勢する手段であり、このエアシリンダ装置２０は上部に昇降体３２を有している。昇降体３２は、下部にシリンダー部３４と、シリンダー部３４の下部周縁部に配置した枠部３６とから構成される。 The air cylinder device 20 is a means for urging the cutter holder 14 downward toward the surface of the glass plate G by air pressure, and the air cylinder device 20 has an elevating body 32 at the top. The elevating body 32 includes a cylinder portion 34 at the lower portion and a frame portion 36 disposed at the lower peripheral portion of the cylinder portion 34.
　シリンダー部３４の中空部には、この中空部を上下移動するピストン３８が摺動自在に配置され、このピストン３８の下端部には、カッターホルダ１４の上面を押圧するローラ４０が、水平方向に配置された軸４２を介して回転自在に軸支されている。 A piston 38 that moves up and down in the hollow portion is slidably disposed in the hollow portion of the cylinder portion 34, and a roller 40 that presses the upper surface of the cutter holder 14 is horizontally disposed at the lower end portion of the piston 38. The shaft 42 is rotatably supported via the arranged shaft 42.
　また、昇降体３２の上部には、シリンダー部３４の中空部に連通する通気路４４が形成され、この通気路４４は昇降体３２の上部側面に開口されている。 Further, an air passage 44 communicating with the hollow portion of the cylinder portion 34 is formed in the upper portion of the elevating body 32, and the air passage 44 is opened on the upper side surface of the elevating body 32.
　更に、昇降体３２は、ヘッド本体１８の中空部であって下面が開口されている摺動室４６に上下方向に摺動自在に設けられている。 Furthermore, the elevating body 32 is slidable in the vertical direction in a sliding chamber 46 which is a hollow portion of the head main body 18 and whose lower surface is opened.
　一方、摺動室４６の内周面と昇降体３２の下部外周面との間にはスライドガイド４８が配置されている。昇降体３２は、このスライドガイド４８によって気密が保持されながら摺動室４６に対し上下方向に摺動される。また、摺動室４６の上部は気密構造となっている。よって、ヘッド本体１８に形成した空気供給口５０から供給されたエア圧は、昇降体３２の通気路４４を介してピストン３８の上部に加えられ、これによって、ピストン３８が下方に移動される。 On the other hand, a slide guide 48 is disposed between the inner peripheral surface of the sliding chamber 46 and the lower outer peripheral surface of the elevating body 32. The elevating body 32 is slid in the vertical direction with respect to the sliding chamber 46 while being kept airtight by the slide guide 48. The upper part of the sliding chamber 46 has an airtight structure. Therefore, the air pressure supplied from the air supply port 50 formed in the head main body 18 is applied to the upper part of the piston 38 via the air passage 44 of the elevating body 32, thereby moving the piston 38 downward.
　また、ヘッド本体１８の上部には貫通孔５２が開口されている。この貫通孔５２に、昇降体３２の上部に突設された昇降軸５４が、貫通孔５２との間で気密が保持された状態で上下方向に突没される。この昇降軸５４は、カッターホイール１２がガラス板Ｇの表面に対して進退する方向にステッピングモータなどの駆動手段５６によって昇降移動される。 Further, a through hole 52 is opened at the top of the head body 18. In this through hole 52, an elevating shaft 54 protruding from the upper part of the elevating body 32 is projected and subtracted in the vertical direction in a state where airtightness is maintained between the through hole 52. The elevating shaft 54 is moved up and down by a driving means 56 such as a stepping motor in a direction in which the cutter wheel 12 advances and retreats with respect to the surface of the glass plate G.
　更に、エアシリンダ装置２０の枠部３６の図１上で左側部とカッターホルダ１４の左側部とが、鉛直方向に配置された板ばね１６によって連結されている。この板ばね１６は、枠部３６とカッターホルダ１４とにボルト５８、５９によって固定されている。更にまた、枠部３６は、ヘッド本体１８に回り止めピン６０によって回り止めされている。これにより、カッターホルダ１４は板ばね１６、枠部３６、及び回り止めピン６０を介してヘッド本体１８に支持される。 Further, the left side portion of the frame portion 36 of the air cylinder device 20 in FIG. 1 and the left side portion of the cutter holder 14 are connected by a leaf spring 16 arranged in the vertical direction. The leaf spring 16 is fixed to the frame portion 36 and the cutter holder 14 with bolts 58 and 59. Furthermore, the frame portion 36 is prevented from being rotated around the head body 18 by a rotation stop pin 60. Thereby, the cutter holder 14 is supported by the head main body 18 via the leaf spring 16, the frame portion 36, and the rotation stopper pin 60.
　また、カッターホルダ１４の図１上で右側部には、ストッパー板６２が水平方向に突設されており、このストッパー板６２の下面が当接されるストッパーピン６４がヘッド本体１８の下部に取り付けられている。 Further, a stopper plate 62 is projected in the horizontal direction on the right side of the cutter holder 14 in FIG. 1, and a stopper pin 64 with which the lower surface of the stopper plate 62 abuts is attached to the lower portion of the head body 18. It has been.
　したがって、カッターホルダ１４はヘッド本体１８に対し、板ばね１６の弾性力により、ボルト５８の固定点を支点として上下方向に揺動自在に支持されるとともに、ストッパー板６２がストッパーピン６４に当接されることにより下方向の揺動が規制されている。 Therefore, the cutter holder 14 is supported by the elastic force of the leaf spring 16 with respect to the head body 18 so as to be swingable in the vertical direction with the fixing point of the bolt 58 as a fulcrum, and the stopper plate 62 abuts against the stopper pin 64. As a result, the downward swing is restricted.
　ところで、ベアリング２２は、カッターホルダ１４の図１上で右側面に、水平方向に突設された軸６６を介して回転自在に取り付けられている。このベアリングはいわゆるミニチュア（小径）のボールベアリングであり、内輪、外輪、転動体から構成され、内輪が軸６６に嵌合されることにより、外輪が回転自在となっている。なお、このようなベアリング２２に代えて、リング状の回動部材を軸６６に回転自在に支持させてもよい。 Incidentally, the bearing 22 is rotatably attached to the right side surface of the cutter holder 14 in FIG. 1 via a shaft 66 protruding in the horizontal direction. This bearing is a so-called miniature (small diameter) ball bearing, and is composed of an inner ring, an outer ring, and a rolling element, and the outer ring is rotatable by fitting the inner ring to the shaft 66. Instead of such a bearing 22, a ring-shaped rotating member may be rotatably supported on the shaft 66.
　図２は、切線加工時に板ばね１６が弾性動作した際のカッターホイール１２の動作を示した要部拡大斜視図であり、図３はその動作を側面から見た説明図、図４はその動作をベアリング２２の後方側から見た説明図である。 FIG. 2 is an enlarged perspective view of the main part showing the operation of the cutter wheel 12 when the leaf spring 16 is elastically operated during the cutting process, FIG. 3 is an explanatory view of the operation viewed from the side, and FIG. 4 is the operation thereof. It is explanatory drawing which looked at from the back side of the bearing 22. FIG.
　図２、図４に示すようにベアリング２２は、カッターホイール１２を挟んで両側に配置されるとともに、同軸上に配置されている軸６６を回転軸として回動自在に配置されている。これらのベアリング２２、２２は同型番のベアリングである。 2 and 4, the bearings 22 are disposed on both sides of the cutter wheel 12 and are rotatably disposed with a shaft 66 disposed on the same axis as a rotation axis. These bearings 22 and 22 are bearings of the same model.
　また、ヘッド本体１８の下部には、ベアリング２２、２２が当接されるガイド面（垂直面）１９が形成され、このガイド面１９は鉛直方向にフラットに形成されている。これによって、ベアリング２２、２２は、ベアリング２２、２２とガイド面１９との間の摩擦抵抗により回動しながらガイド面１９に沿って上下方向に昇降移動される。また、ベアリング２２、２２が上昇移動した際に、ベアリング２２、２２を逃がすための円弧状の逃げ溝６８がヘッド本体１８の下部に形成されている。 Further, a guide surface (vertical surface) 19 with which the bearings 22 and 22 are brought into contact is formed at the lower portion of the head body 18, and the guide surface 19 is formed flat in the vertical direction. Thus, the bearings 22 and 22 are moved up and down along the guide surface 19 while being rotated by frictional resistance between the bearings 22 and 22 and the guide surface 19. An arc-shaped escape groove 68 is formed in the lower portion of the head body 18 for allowing the bearings 22 and 22 to escape when the bearings 22 and 22 are moved upward.
　次に、前記の如く構成されたガラス切断機用カッターヘッド装置１０の作用について説明する。 Next, the operation of the cutter head device 10 for a glass cutting machine configured as described above will be described.
　まず、エアシリンダ装置２０及び駆動手段５６を駆動して、カッターホイール１２による、ガラス板Ｇに加工する切線の切り込み深さを設定する。この切り込み深さの設定は既知の方法なので、ここではその説明を省略する。 First, the air cylinder device 20 and the driving means 56 are driven, and the cutting depth of the cut line to be processed into the glass plate G by the cutter wheel 12 is set. Since the setting of the depth of cut is a known method, its description is omitted here.
　次に、水平方向に置かれたガラス板Ｇに対し、カッターヘッド装置１０を水平方向に移動させてガラス板Ｇに切線を加工する。 Next, the cutter head device 10 is moved in the horizontal direction with respect to the glass plate G placed in the horizontal direction, and a cut line is processed in the glass plate G.
　加工を開始すると、加工開始点においてカッターヘッド装置１０のカッターホルダ１４は、カッターホイール１２がガラス板Ｇから受ける反力によって、上方方向の力と切線加工方向に対して反対方向の力を受ける。これにより、板ばね１６はカッターホルダ１４が上昇する方向に弾性変形し、カッターホルダ１４の移動を許容する。この作用によりベアリング２２、２２は、図２の実線で示すようにヘッド本体１８のガイド面１９に当接し、上下に摺動しながら切線加工が継続される。 When machining is started, the cutter holder 14 of the cutter head device 10 receives a force in an opposite direction to the upward force and the cutting line processing direction by the reaction force that the cutter wheel 12 receives from the glass plate G at the processing start point. As a result, the leaf spring 16 is elastically deformed in the direction in which the cutter holder 14 is raised, and allows the cutter holder 14 to move. Due to this action, the bearings 22 and 22 come into contact with the guide surface 19 of the head main body 18 as shown by the solid line in FIG.
　そして、カッターホイール１２がガラス板Ｇの「うねり」に追従するように、板ばね１６が弾性変形してカッターホイール１２の前記方向の移動を許容する。 Then, the leaf spring 16 is elastically deformed to allow the cutter wheel 12 to move in the aforementioned direction so that the cutter wheel 12 follows the “undulation” of the glass plate G.
　このとき、ベアリング２２、２２は、ヘッド本体１８のガイド面に摺接された状態で回動しながら図２～図４の二点鎖線の如く上下移動する。すなわち、ベアリング２２、２２は、板ばね１６の捩れを規制した状態でカッターホルダ１４のガラス板Ｇに対する上下移動（進退移動）を案内する。 At this time, the bearings 22 and 22 move up and down as indicated by a two-dot chain line in FIGS. 2 to 4 while rotating while being in sliding contact with the guide surface of the head body 18. That is, the bearings 22 and 22 guide the vertical movement (back and forth movement) of the cutter holder 14 with respect to the glass plate G in a state where the twist of the leaf spring 16 is restricted.
　したがって、実施の形態のカッターヘッド装置１０によれば、ガラス板Ｇの「うねり」によって、板ばね１６は捻じれることなく本来の方向にのみ弾性変形するので、カッターホイール１２はガラス板Ｇの表面に直交する方向のみに動き、「うねり」を滑らかに追従する。 Therefore, according to the cutter head device 10 of the embodiment, the plate spring 16 is elastically deformed only in the original direction without being twisted by the “undulation” of the glass plate G, so that the cutter wheel 12 is the surface of the glass plate G. It moves only in the direction orthogonal to the "swell" and follows smoothly.
　以上の安定した動作により、カッターヘッド装置１０は、加工速度を上げた際に生じる、切線の湾曲、飛び、深さのバラツキという切線加工不良を解消することができる。 With the above-described stable operation, the cutter head device 10 can eliminate the cutting line processing failure such as cutting of the cutting line, jumping, and variation in depth, which occurs when the processing speed is increased.
　更に、実施の形態のカッターヘッド装置１０は、カッターホルダ１４を挟んで水平方向両側にベアリング２２、２２が配置されているため、カッターホルダ１４が「うねり」に対して傾斜することなく安定して追従動作する。 Furthermore, in the cutter head device 10 according to the embodiment, the bearings 22 and 22 are arranged on both sides in the horizontal direction with the cutter holder 14 interposed therebetween, so that the cutter holder 14 is stable without being inclined with respect to “swell”. Follow-up action.
　更にまた、実施の形態のカッターヘッド装置１０は、回動部材として市販のベアリング２２を使用している。ベアリング２２は、転動体により回転抵抗も小さく、また、外輪の外形寸法のバラツキも小さいので、回転精度、摺動精度のよい回動部材を提供できる。 Furthermore, the cutter head device 10 according to the embodiment uses a commercially available bearing 22 as a rotating member. Since the rolling resistance of the bearing 22 is small due to the rolling elements, and the variation in the outer dimension of the outer ring is small, it is possible to provide a rotating member with good rotational accuracy and sliding accuracy.
　なお、実施の形態では、案内部材として、回動部材であるベアリング２２、２２を例示したが、これに限定されるものではない。すなわち、案内部材は、板ばね１６の捩れを規制した状態でガラス板Ｇに対する、カッターホルダ１４の進退移動を案内することができる部材であればよい。
〔実験例〕
　特許文献１のカッターヘッド装置では、切線加工速度を３００ｍｍ／ｓに上げると前述した不具合が発生したが、実施の形態のカッターヘッド装置１０では、切線加工速度を３００ｍｍ／ｓ以上（例えば６５０ｍｍ／ｓ）に設定してガラス板の切線加工を行ったが、切線の湾曲、飛び、深さのバラツキという切線加工不良は発生しなかた。 In the embodiment, the bearings 22 and 22 which are rotating members are exemplified as the guide member, but the present invention is not limited to this. That is, the guide member may be any member that can guide the forward / backward movement of the cutter holder 14 relative to the glass plate G in a state where the twist of the leaf spring 16 is restricted.
[Experimental example]
In the cutter head device of Patent Document 1, the above-described problem occurs when the cutting line processing speed is increased to 300 mm / s. However, in the cutter head device 10 according to the embodiment, the cutting line processing speed is 300 mm / s or more (for example, 650 mm / s). ) Was set and the glass plate was cut, but there was no cut line defect such as curve, jump, and variation in depth.
　カッターホイールの寿命に関しては、実施の形態のカッターヘッド装置１０は特許文献１のカッターヘッド装置に対して略２倍の寿命を得た。 Regarding the life of the cutter wheel, the cutter head device 10 according to the embodiment has a life that is approximately twice that of the cutter head device of Patent Document 1.

Claims (5)

  1. 　ガラス板に切線を加工するカッターホイールと、該カッターホイールを回転自在に支持するカッターホルダと、該カッターホルダが板ばねを介してガラス板に対し進退移動自在に支持されるとともにガラス板の切線加工方向に移動自在に設けられたヘッド本体と、該ヘッド本体に設けられ前記カッターホルダをガラス板に加圧する加圧手段と、を備えたガラス切断機用カッターヘッド装置において、
    　前記カッターホルダには、前記板ばねの捩れを規制した状態で前記ガラス板に対する、前記カッターホルダの進退移動を案内する案内部材が設けられていることを特徴とするガラス切断機用カッターヘッド装置。     A cutter wheel that cuts a cutting line on a glass plate, a cutter holder that rotatably supports the cutter wheel, and the cutter holder that is supported so as to move forward and backward with respect to the glass plate via a plate spring, and a cutting line processing of the glass plate In a cutter head device for a glass cutting machine, comprising: a head body provided movably in a direction; and a pressurizing means provided on the head body to pressurize the cutter holder against a glass plate.
    A cutter head device for a glass cutting machine, wherein the cutter holder is provided with a guide member for guiding the forward and backward movement of the cutter holder relative to the glass plate in a state where the twist of the leaf spring is restricted.
  2. 　前記案内部材は、前記ヘッド本体に摺接されるリング状の回動部材である請求項１に記載のガラス切断機用カッターヘッド装置。 The cutter head device for a glass cutting machine according to claim 1, wherein the guide member is a ring-shaped rotating member that is slidably contacted with the head body.
  3. 　前記回動部材は、前記カッターホルダに前記カッターホイールを挟んで水平方向両側に各々配置され、前記ヘッド本体の垂直面を摺動可能に設けられた請求項２に記載のガラス切断機用カッターヘッド装置。 3. The cutter head for a glass cutting machine according to claim 2, wherein the rotating members are arranged on both sides in the horizontal direction with the cutter wheel sandwiched between the cutter holders and are slidable on a vertical surface of the head body. apparatus.
  4. 　前記回動部材が、ベアリングである請求項２に記載のガラス切断機用カッターヘッド装置。 3. The cutter head device for a glass cutting machine according to claim 2, wherein the rotating member is a bearing.
  5. 　前記回動部材が、ベアリングである請求項３に記載のガラス切断機用カッターヘッド装置。 4. The cutter head device for a glass cutting machine according to claim 3, wherein the rotating member is a bearing.
PCT/JP2009/050982 2008-01-23 2009-01-22 Cutter head device for glass cutting machine WO2009093660A1 (en)

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