JP2008093778A - Lateral side processing device of plate material - Google Patents

Lateral side processing device of plate material Download PDF

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JP2008093778A
JP2008093778A JP2006277682A JP2006277682A JP2008093778A JP 2008093778 A JP2008093778 A JP 2008093778A JP 2006277682 A JP2006277682 A JP 2006277682A JP 2006277682 A JP2006277682 A JP 2006277682A JP 2008093778 A JP2008093778 A JP 2008093778A
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plate material
tool
plate
processing
holder
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JP4969197B2 (en
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Yutaka Mizushima
裕 水島
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Nakamura Tome Precision Industry Co Ltd
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Nakamura Tome Precision Industry Co Ltd
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Priority to JP2006277682A priority Critical patent/JP4969197B2/en
Priority to CNB2006101687543A priority patent/CN100548575C/en
Priority to TW095148311A priority patent/TW200817133A/en
Priority to KR1020060136259A priority patent/KR100827899B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/18—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plate material lateral side processing device for processing a lateral side of a plate material by relatively moving a tool along the lateral side of the plate material, capable of processing all of plate materials with different areas and aspect ratios at high accuracy without replacing a table for fixing the plate material. <P>SOLUTION: A side holder 5 holding a lateral side part 1a of a plate material 1 held by a table of a lateral side processing device near a tool 3 processing a processed lateral side 1b movably in a feeding direction of the plate material 1 and immovably in the direction perpendicular to the material plane is mounted on a tool stand supporting the tool 3. The side holder is arranged near the tool 3, and comprises a pair of guide faces opposed to top and rear faces of the side part of the processed plate material via a gap, and a pair of front and rear rollers 22. The guide faces have flow-out holes of pressure fluid for floating the plate material. The side holder 5 moves relatively to the table 2, but does not move relatively to the tool 3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、板材（板状をした加工対象物）の側辺を加工する装置に関し、板材としてガラス板やセラミックス板などの硬質脆性板の側辺を面取り加工するのに特に適した上記装置に関するものである。   The present invention relates to an apparatus for processing a side of a plate material (a plate-like workpiece), and relates to the above apparatus particularly suitable for chamfering a side of a hard brittle plate such as a glass plate or a ceramic plate as a plate material. Is.

板材の側辺の加工を行うとき、例えば回転砥石でガラス板やセラミック板の側辺の面取加工（鋭利な角に丸みを付けたり細い斜面にする加工）を行うときは、加工する側辺を張り出した状態で板材をテーブルに固定し、工具を加工する側辺の位置に進出させ、次いで工具又はテーブルを加工する側辺と平行に移動させることにより行われる。加工する板材の側辺をテーブルから張り出した状態とするのは、テーブルと工具との干渉を避けるためである。   When processing the side of a plate, for example, when chamfering the side of a glass plate or ceramic plate with a rotating grindstone (processing to round a sharp corner or make a thin slope), the side to be processed The plate material is fixed to the table in a state where the tool is overhanged, advanced to the position of the side where the tool is processed, and then moved parallel to the side where the tool or table is processed. The reason why the side of the plate material to be processed is projected from the table is to avoid interference between the table and the tool.

この板材の側辺の張出し量が大きすぎると、側辺部の自重で板材が撓んだり、工具から受ける加工反力で板材が振動して加工ができなくなったりする。そこで、テーブルからの板材の側辺の張り出し量は、テーブルと工具との干渉を避けるのに必要な最小限の寸法にする。   If the overhang amount of the side of the plate material is too large, the plate material may be bent by its own weight, or the plate material may vibrate due to a processing reaction force received from the tool and cannot be processed. Therefore, the amount of protrusion of the side of the plate material from the table is set to the minimum dimension necessary for avoiding interference between the table and the tool.

一方、加工する板材には種々の寸法のものがあり、縦横比も様々である。寸法や縦横比の異なる板材を同一の装置で加工するときは、板材の寸法や縦横比が変わる毎に、その板材に適合した寸法のテーブルを製作して、テーブルの交換を行わなければならない。   On the other hand, there are various sizes of plate materials to be processed, and the aspect ratios are also various. When processing plate materials having different dimensions and aspect ratios with the same apparatus, each time the size or aspect ratio of the plate material changes, a table having dimensions suitable for the plate material must be manufactured and the table must be replaced.

しかし、寸法や縦横比の異なる板材毎にテーブルを製作するのは、コストがかかり、テーブルの交換作業も面倒である。そこで本願の出願人は、下記特許文献１でテーブル寸法を自在に変えることができる硬質脆性板の側辺加工装置を提案している。   However, it is expensive to manufacture a table for each plate material having different dimensions and aspect ratios, and the table replacement work is troublesome. Therefore, the applicant of the present application has proposed a side processing apparatus for a hard brittle plate in which the table dimensions can be freely changed in Patent Document 1 below.

しかし、特許文献１で提案した装置は、テーブル構造が複雑になるため、装置コストが高くなり、また、板材の縦横比の相違には対応できないという問題があり、十分な解決手段とはなっていなかった。   However, the apparatus proposed in Patent Document 1 has a problem in that the table structure becomes complicated and the apparatus cost becomes high, and it cannot cope with the difference in the aspect ratio of the plate material, which is a sufficient solution. There wasn't.

そこで更に本願の出願人は、下記特許文献２において、テーブルに固定された板材の側辺部を、その側辺を加工する工具の近傍で保持する、側辺ホルダを設けた側辺加工装置を提案した。この側辺ホルダは、板材の面と平行な方向に移動自在かつ板材の面と直角の方向に移動不能に、板材の側辺部を保持する。側辺ホルダは、工具を支持している工具台に装着して設ける。従って、側辺ホルダは、板材を固定したテーブルに対して相対移動し、工具に対しては相対移動しない。   Therefore, in the following Patent Document 2, the applicant of the present application further includes a side processing apparatus provided with a side holder that holds the side portion of the plate material fixed to the table in the vicinity of the tool for processing the side. Proposed. The side holder holds the side portion of the plate so as to be movable in a direction parallel to the surface of the plate and immovable in a direction perpendicular to the surface of the plate. The side holder is provided by being attached to a tool table that supports the tool. Therefore, the side holder moves relative to the table on which the plate material is fixed, and does not move relative to the tool.

特許文献２で提案した側辺ホルダは、テーブルから張出した板材の側辺部の表裏面に遊隙を持って対向する上下の案内面を備えており、当該案内面は、板材をこの案内面から浮上させるための、流体の流出孔を備えている。テーブルから張出した板材の側辺部は、この流出孔から流出する水の圧力により上下方向に保持される。   The side holder proposed in Patent Document 2 includes upper and lower guide surfaces facing each other with a gap on the front and back surfaces of the side portion of the plate material protruding from the table. A fluid outflow hole is provided for rising from the surface. The side part of the plate material protruding from the table is held in the vertical direction by the pressure of water flowing out from the outflow hole.

特許文献２で提案した側辺加工装置は、加工する板材の寸法よりかなり小さい寸法のテーブルを備えている。加工しようとする板材の側辺は、テーブルから大きく張出すこととなる。しかしその張出し端は、工具の近傍において側辺ホルダによって保持され、板材の加工位置（工具が板材に接触する位置）が下方に撓んだり振動したりすることがない。従って、テーブルを交換することなく、面積や縦横比の異なる多種多様な板材に精度の高い側辺加工を行うことができる。
特開２００４‐７４３０３号公報 特開２００６‐２６７６４号公報 The side processing apparatus proposed in Patent Document 2 includes a table having a size considerably smaller than the size of a plate material to be processed. The side of the plate material to be processed will protrude greatly from the table. However, the overhang end is held by the side holder in the vicinity of the tool, and the processing position of the plate material (the position where the tool contacts the plate material) does not bend downward or vibrate. Therefore, highly accurate side processing can be performed on a wide variety of plate materials having different areas and aspect ratios without changing the table.
JP 2004-74303 A JP 2006-26764 A

近年の液晶表示素子の微細化や表示パネルの大面積化により、面取り加工するガラス基盤の面積も大きくなり、また従来より高い精度の加工が要求されるようになってきた。上記特許文献２で提案した装置では、近年のガラス基板の大面積化に十分対応できず、特に大きな面積のガラス板の加工が困難であることが判明した。また、特許文献２で提案した装置では、大面積の板材に対する加工精度が充分でないことが判明した。   With the recent miniaturization of liquid crystal display elements and the increase in the area of display panels, the area of the glass substrate to be chamfered has increased, and processing with higher precision than before has been required. The apparatus proposed in Patent Document 2 has not been able to sufficiently cope with the recent increase in the area of the glass substrate, and it has been found that it is difficult to process a glass plate having a particularly large area. Moreover, in the apparatus proposed by patent document 2, it turned out that the processing precision with respect to a board | plate material of a large area is not enough.

この発明は、このような新たな問題点の認識に基づいて、これらの問題点を解決することにより、大面積の硬質脆性板の側辺加工をより高精度で行うことができる側辺加工装置を得ることを課題としている。   The present invention is based on the recognition of such new problems, and by solving these problems, the side processing apparatus capable of performing the side processing of a hard brittle plate with a large area with higher accuracy. The challenge is to obtain.

この出願の請求項１の発明は、板材１を固定するテーブル２と、その側方両側に配置された工具台１０と、この工具台に装着された側辺加工用の工具３とを備え、工具台１０をテーブル２に対して当該テーブルに固定された板材１の加工しようとする側辺に平行な方向に相対移動させることにより、板材１の側辺を加工する側辺加工装置において、テーブル２の側辺から張出した板材の側辺部１ａを、その表裏面に向けて流出する流体圧で表裏方向に保持する側辺ホルダ５を備え、かつ、この側辺ホルダ５の工具台１０の移動方向前後に、当該移動方向と直交する方向の軸回りに自由回転可能に軸支されて板材１の側辺部１ａを表裏方向に挟持するローラ対２２を備えていることを特徴とする板材の側辺加工装置を提供することにより、上記課題を解決したものである。   The invention of claim 1 of this application includes a table 2 for fixing the plate 1, a tool table 10 disposed on both sides thereof, and a side processing tool 3 mounted on the tool table, In a side processing apparatus that processes the side of the plate 1 by moving the tool table 10 relative to the table 2 in a direction parallel to the side of the plate 1 fixed to the table 2, the table 2 is provided with a side holder 5 that holds the side part 1a of the plate material projecting from the side part 2 in the front and back direction with a fluid pressure flowing out toward the front and back surfaces, and the tool base 10 of the side holder 5 A plate material comprising a pair of rollers 22 supported in a freely rotatable manner around an axis in a direction orthogonal to the movement direction before and after the movement direction and sandwiching the side portion 1a of the plate material 1 in the front and back direction. By providing a side processing apparatus of the above, It is obtained by solving the problem.

この出願の請求項２の発明は、上記手段を備えた側辺加工装置において、側辺ホルダ５が、工具３に近接してテーブル２側に配置され、当該工具３で加工される板材１の側辺部表裏面に遊隙を持って対向する一対の案内面６ａ、６ｂを備え、当該案内面は、前記遊隙を保持するための浮上用圧力流体の流出孔７を備えており、ローラ対２２の上下のローラ２２ａ、２２ｂは、それぞれが板材１の表裏面に向けてばね２４で付勢して設けられていることを特徴とするものである。   The invention of claim 2 of this application is the side processing apparatus provided with the above means, wherein the side holder 5 is disposed on the table 2 side in the vicinity of the tool 3 and the plate material 1 processed by the tool 3 is provided. A pair of guide surfaces 6a and 6b facing the front and back surfaces of the side portion with a gap are provided, and the guide surfaces are provided with an outflow hole 7 for the floating pressure fluid for holding the gap. Each of the upper and lower rollers 22a and 22b of the pair 22 is provided by being urged by a spring 24 toward the front and back surfaces of the plate 1.

またこの出願の請求項３の発明は、上記手段を備えた側辺加工装置において、工具３が、工具台１０の前記相対移動方向と平行な軸回りに回転する上下の回転工具３ａ、３ｂを備え、前記ローラ対２２が、案内面６ａ、６ｂの中心より工具３に近接した位置に配置されていることを特徴とするものである。   Further, the invention of claim 3 of this application is that in the side processing apparatus provided with the above means, the tool 3 includes upper and lower rotary tools 3 a and 3 b that rotate about an axis parallel to the relative movement direction of the tool base 10. The roller pair 22 is arranged at a position closer to the tool 3 than the center of the guide surfaces 6a and 6b.

板材１の側辺加工は、テーブル２と工具３とを、加工しようとする側辺１ｂと平行に相対移動させることによって行われる。この発明の側辺加工装置の側辺ホルダ５及びローラ対２２は、テーブル２に対して相対移動し、工具３に対しては相対移動しない。   Side processing of the plate 1 is performed by relatively moving the table 2 and the tool 3 in parallel with the side 1b to be processed. The side holder 5 and the roller pair 22 of the side processing apparatus of the present invention move relative to the table 2 and do not move relative to the tool 3.

側辺ホルダ５は、板材１の表裏面（通常は上下面）に遊隙をもって対向する一対の案内面６ａ、６ｂを備え、上記遊隙に形成される流体層を介して板材の側辺部１ａを挟持する。この案内面は、多孔質材料で形成するか、または孔あき板で形成され、前記流体層は当該多孔質材料ないし孔あき板の孔から流出する流体によって形成される。   The side holder 5 includes a pair of guide surfaces 6a and 6b opposed to each other with a gap on the front and back surfaces (usually upper and lower surfaces) of the plate 1 and the side of the plate via a fluid layer formed in the gap. Hold 1a. The guide surface is formed of a porous material or a perforated plate, and the fluid layer is formed of a fluid flowing out of the porous material or a hole of the perforated plate.

上下の案内面６ａ、６ｂは、板材１の表裏面に近接して位置する。前記流体層が薄ければ薄いほど、板材の側辺部１ａは、上下の案内面６ａ、６ｂによってより高い剛性で保持される。上下の案内面６ａ、６ｂの間隔を板材１の厚さに応じて調整可能にすることにより、厚さの異なる板材に対する強力な保持が可能になる。なお、保持剛性を高くできることから、流体としては気体より液体を使用するのが有利である。   The upper and lower guide surfaces 6 a and 6 b are located close to the front and back surfaces of the plate 1. The thinner the fluid layer is, the higher the rigidity of the side portion 1a of the plate material is held by the upper and lower guide surfaces 6a and 6b. By making it possible to adjust the distance between the upper and lower guide surfaces 6a and 6b in accordance with the thickness of the plate material 1, it is possible to hold the plate materials having different thicknesses. Since the holding rigidity can be increased, it is advantageous to use a liquid rather than a gas as the fluid.

側辺ホルダ５は、板材の側辺１ｂが工具３と接触する位置（加工位置）で、下方に撓んだ板材の側辺１ａを持上げて、正確な位置に保持する。しかし、テーブル２の側辺からの板材の側辺１ａの張出量が大きくなると、撓みも大きくなり、案内面６ａ、６ｂの流体圧のみでは、板材側辺を加工位置に正確に保持することが困難になる。側辺ホルダ５の前後に配置したローラ対２２は、下方に撓んでいる板材の側辺部を持上げて、側辺ホルダ５によって加工位置が正確に位置決めされるのを補助する。これにより、テーブル２から大きく張出した板材１の側辺を、精度良く加工することができる。   The side holder 5 lifts the side 1a of the plate material bent downward at the position (processing position) where the side 1b of the plate contacts the tool 3 and holds it in an accurate position. However, if the protruding amount of the side 1a of the plate material from the side of the table 2 increases, the deflection also increases, and the side of the plate material is accurately held at the machining position only by the fluid pressure of the guide surfaces 6a and 6b. Becomes difficult. The pair of rollers 22 arranged before and after the side holder 5 lifts the side part of the plate material that is bent downward, and assists in accurately positioning the processing position by the side holder 5. Thereby, the side of the board | plate material 1 which protruded largely from the table 2 can be processed accurately.

ローラ対２２の上下のローラ２２ａ、２２ｂをばね２４で板材１に向けて付勢して設けることにより、撓んだ板材の側辺部１ａを案内面６ａ、６ｂの間に円滑に導くことができる。また、ローラ対２２による板材１の挟持位置を、側辺ホルダの案内面６ａ、６ｂによる保持位置より工具３に近い側とすることにより、ローラ２２ａ、２２ｂの挟持部が板材１の側辺に近い位置となるので、撓んだ板材側辺部を持上げる作用を大きくできるとともに、板材に形成した導電パターンなどにローラ２２ａ、２２ｂが接触するのを避けることができる。   By providing the upper and lower rollers 22a and 22b of the roller pair 22 by urging them toward the plate member 1 with the spring 24, the side portion 1a of the bent plate member can be smoothly guided between the guide surfaces 6a and 6b. it can. Further, by setting the clamping position of the plate material 1 by the roller pair 22 to be closer to the tool 3 than the holding position by the guide surfaces 6 a and 6 b of the side holders, the clamping portions of the rollers 22 a and 22 b are located on the side of the plate material 1. Since the positions are close, it is possible to increase the action of lifting the bent side portion of the plate material, and it is possible to avoid the rollers 22a and 22b coming into contact with the conductive pattern formed on the plate material.

この発明の側辺加工装置では、テーブル２から張出した板材の側辺部１ａを、側辺ホルダ５で保持し、更にその前後をローラ対２２で挟持した状態で加工を行う。テーブル２は工具３に対して加工する側辺１ｂと平行に相対移動するが、側辺ホルダ５及びローラ対２２は、常時工具３の近傍において、板材の側辺部１ａを面直角方向に移動不能に保持しており、従って板材１の加工位置が垂れ下がったり、加工反力によって振動したりすることなく、工具３による精度の高い加工が可能になる。   In the side processing apparatus of the present invention, the processing is performed in a state where the side portion 1 a of the plate material protruding from the table 2 is held by the side holder 5, and the front and rear thereof are sandwiched by the roller pair 22. The table 2 moves relative to the tool 3 in parallel with the side 1b to be processed, but the side holder 5 and the roller pair 22 always move the side 1a of the plate material in the direction perpendicular to the surface in the vicinity of the tool 3. Accordingly, the processing position of the plate 1 is not hung down or vibrated by the processing reaction force, so that the tool 3 can perform highly accurate processing.

側辺ホルダ５及びローラ対２２は、工具３を支持している工具台１０に装着されているので、板材１の寸法や縦横比が変わっても、板材の加工部現に加工される部分が工具３との相対位置変動を生ずることなく保持される。すなわち、板材寸法が大きくなって工具台１０をテーブル２から離隔させたときには、側辺ホルダ５もテーブル１から離隔して、現に加工される加工辺１ｂの直近で板材１を保持する。また、板材の側辺長さが長大であっても、テーブル２の相対移動に伴って、板材側辺部１ａは、前側のローラ対２２の間、側辺ホルダの上下の案内面６ａ、６ｂの間及び後側のローラ対２２の間を通過して行き、これらの挟持作用により、現に加工される加工辺１ｂ近傍は常に正確な位置に保持される。   Since the side holder 5 and the roller pair 22 are mounted on the tool base 10 that supports the tool 3, even if the dimensions and aspect ratio of the plate 1 change, the portion processed into the processed portion of the plate is the tool. 3 with no relative position fluctuation. That is, when the size of the plate material is increased and the tool table 10 is separated from the table 2, the side holder 5 is also separated from the table 1, and the plate material 1 is held in the immediate vicinity of the processed side 1b to be processed. Further, even if the side length of the plate material is long, the plate material side portion 1a is positioned between the front roller pair 22 and the upper and lower guide surfaces 6a and 6b of the side holder in accordance with the relative movement of the table 2. And between the pair of rollers 22 on the rear side, and by these clamping actions, the vicinity of the processed side 1b to be actually processed is always held at an accurate position.

この発明の側辺加工装置では、板材の寸法や縦横比が変わったときに、テーブル２の寸法を変更する必要がなく、同一寸法のテーブルで寸法の異なる板材の側辺を正確に加工することができるという効果がある。   In the side processing apparatus of the present invention, it is not necessary to change the size of the table 2 when the size or aspect ratio of the plate is changed, and the side of a plate having a different size is accurately processed using the same size table. There is an effect that can be.

以下、図面を参照して、この発明の実施形態を説明する。図１は、工具として面取り用の回転砥石を備えたこの発明の側辺加工装置の一例を示す模式的な斜視図で、矩形板状の板材１の対向側辺を同時加工している状態を示す図である。図において、１は加工しようとする板材、２は板材１を真空吸着等により固定しているテーブル、３は側辺加工用の砥石ユニット、５は側辺ホルダである。砥石ユニット３は、図に想像線で示した門形フレーム３５に装着してテーブル２の両側に配置されている。板材１の側辺加工を行うときは、テーブル２が門形フレーム３５に対して図のＹ方向に相対移動する。両側の砥石ユニット３は、門形フレーム３５に上下方向Ｚ及び幅方向Ｘに位置調整可能に装着された砥石台１０（図３参照）を備えており、加工する板材１の厚さ及び幅寸法に応じた位置に砥石ユニット３が位置決めされる。   Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic perspective view showing an example of a side processing apparatus of the present invention provided with a chamfering rotary grindstone as a tool, and shows a state in which opposing sides of a rectangular plate 1 are being processed simultaneously. FIG. In the figure, 1 is a plate material to be processed, 2 is a table on which the plate material 1 is fixed by vacuum suction or the like, 3 is a grindstone unit for side processing, and 5 is a side holder. The grindstone unit 3 is mounted on a gate-shaped frame 35 indicated by an imaginary line in the drawing and is disposed on both sides of the table 2. When performing side processing of the plate material 1, the table 2 moves relative to the portal frame 35 in the Y direction in the figure. The grindstone units 3 on both sides include a grindstone base 10 (see FIG. 3) mounted on the portal frame 35 so that the position can be adjusted in the vertical direction Z and the width direction X, and the thickness and width dimensions of the plate material 1 to be processed. The grindstone unit 3 is positioned at a position corresponding to the above.

テーブル２は板材１の中央部下面を支持しており、板材の側辺部１ａは、テーブル２の外側に張出している。砥石ユニット３は、図５に示すように、テーブル２に対する砥石ユニット３の相対移動方向と平行な上下の砥石軸２０ａ、２０ｂに固定されて回転する上下それぞれ３枚の砥石車３ａ、３ｂを備えた面取加工用の砥石ユニットである。砥石軸２０ａ、２０ｂは、砥石台１０に軸支されており、当該砥石台には、砥石軸２０ａ、２０ｂを回転駆動する砥石モータが搭載されている。図３、４に示した砥石台１０は、砥石ユニット３を囲む形状をしており、砥石カバーを兼ねている。上下の砥石車３ａ、３ｂは、一方が互いに他方の砥石車の間に入り込むように、軸方向にずらして設けられている。上下の砥石車の回転方向は、図３に矢印Ａで示されている。   The table 2 supports the lower surface of the central portion of the plate material 1, and the side portion 1 a of the plate material projects to the outside of the table 2. As shown in FIG. 5, the grindstone unit 3 includes upper and lower grindstone wheels 3 a and 3 b that are fixed to and rotated by upper and lower grindstone shafts 20 a and 20 b parallel to the relative movement direction of the grindstone unit 3 with respect to the table 2. This is a grindstone unit for chamfering. The grindstone shafts 20a and 20b are pivotally supported by the grindstone table 10, and a grindstone motor that rotationally drives the grindstone shafts 20a and 20b is mounted on the grindstone table. 3 and 4 has a shape surrounding the grindstone unit 3 and also serves as a grindstone cover. The upper and lower grinding wheels 3a, 3b are provided so as to be shifted in the axial direction so that one enters between the other grinding wheels. The direction of rotation of the upper and lower grinding wheels is indicated by arrow A in FIG.

側辺ホルダ５は、砥石ユニット３の直近で、板材の側辺部１ａを流体層を介して上下方向に挟持する２枚の案内板５ａ、５ｂを備えている。側辺ホルダ５の前後には、ローラ対２２が配置されている。前後のローラ対２２は、ばね２４の力で板材の側辺部１ａを上下に挟持する上下のローラ２２ａ、２２ｂをそれぞれ備えている。   The side holder 5 is provided with two guide plates 5a and 5b which are close to the grindstone unit 3 and sandwich the side portion 1a of the plate material in the vertical direction through the fluid layer. A roller pair 22 is arranged in front of and behind the side holder 5. The pair of front and rear rollers 22 includes upper and lower rollers 22 a and 22 b that sandwich the side portion 1 a of the plate material up and down by the force of the spring 24.

上下の案内板５ａ、５ｂの対向面は、板材の側辺部１ａの上下面を案内する案内面６ａ、６ｂとなっている。図２は、下方の案内板５ｂの斜視図で、その案内面６ｂには、多数の流出孔７が分布しており、これらの流出孔に圧力流体（一般的には水）を供給するパイプ８が接続されている。案内面６ａ、６ｂの前後縁は、進入してくる板材の端部を円滑に導くための斜面ないし円弧面２５が設けられており、この部分にも流出孔７が設けられている。案内板５ｂの外側縁（砥石ユニット側の辺）５ｃの中央部には、下方の３枚の砥石車３ｂとの干渉を避けるための３個の切欠９が設けられている。上側の案内板５ａは、下側の案内板５ｂの上下を逆にした構造である。   Opposing surfaces of the upper and lower guide plates 5a and 5b are guide surfaces 6a and 6b for guiding the upper and lower surfaces of the side portion 1a of the plate material. FIG. 2 is a perspective view of the lower guide plate 5b. A large number of outflow holes 7 are distributed on the guide surface 6b, and a pipe for supplying pressure fluid (generally water) to these outflow holes. 8 is connected. The front and rear edges of the guide surfaces 6a and 6b are provided with slopes or circular arc surfaces 25 for smoothly guiding the end portions of the entering plate material, and the outflow holes 7 are also provided in these portions. Three notches 9 for avoiding interference with the lower three grinding wheels 3b are provided at the center of the outer edge (side on the grinding wheel unit) 5c of the guide plate 5b. The upper guide plate 5a has a structure in which the lower guide plate 5b is turned upside down.

図３に示すように、上下の案内板５ａ、５ｂは、直線ガイド１５とスライド１６によって砥石台１０に上下方向移動自在に案内されている。また、上下の案内板５ａ、５ｂは、ボールねじ１３ａ、１３ｂに螺合するボールナット１４ａ、１４ｂに連結されている。サーボモータ１２ａ、１２ｂ及びボールねじ１３ａ、１３ｂと直線ガイド１５は、砥石台１０に装着されている。サーボモータ１２ａ、１２ｂでボールねじ１３ａ、１３ｂを回転駆動することにより、上下の案内面６ａ、６ｂの高さと間隔を調整することができる。   As shown in FIG. 3, the upper and lower guide plates 5 a and 5 b are guided to the grindstone base 10 by the linear guide 15 and the slide 16 so as to be movable in the vertical direction. The upper and lower guide plates 5a and 5b are connected to ball nuts 14a and 14b that are screwed into the ball screws 13a and 13b. The servo motors 12 a and 12 b and the ball screws 13 a and 13 b and the linear guide 15 are mounted on the grinding wheel base 10. By rotating and driving the ball screws 13a and 13b with the servo motors 12a and 12b, the height and interval of the upper and lower guide surfaces 6a and 6b can be adjusted.

図４に示すように、ローラ対２２の上下のローラ２２ａ、２２ｂは、砥石ユニット３に対する板材１の相対送り方向と直交する水平方向のローラ軸回りにそれぞれ軸支されて自由回転可能である。ローラ軸の基端２７は、Ｌ形板３０に固定されている。Ｌ形板３０は、砥石台１０の側面に固定ボルト２８で固定したブラケット２９に上下方向に滑り移動自在である。Ｌ形板３０とブラケット２９との間には、圧縮コイルばね２４が介装されて、上下のローラを互いに当接する方向に付勢している。ブラケット２９を砥石台１０に固定している固定ボルト２８は、上下方向に細長いボルト通し孔３２に挿通されている。固定ボルト２８を緩めてブラケット２９を上下させることにより、各ローラ２２ａ、２２ｂの高さを調整することができる。ローラ２２２ａ、２２ｂは、案内面６ａ、６ｂの中心より外側（砥石車に近い側）で板材の側辺部１ａを挟持している。   As shown in FIG. 4, the upper and lower rollers 22 a and 22 b of the roller pair 22 are each supported around a horizontal roller axis perpendicular to the relative feed direction of the plate 1 to the grindstone unit 3 and can freely rotate. The base end 27 of the roller shaft is fixed to the L-shaped plate 30. The L-shaped plate 30 is slidable in the vertical direction on a bracket 29 fixed to the side surface of the grinding wheel base 10 with fixing bolts 28. A compression coil spring 24 is interposed between the L-shaped plate 30 and the bracket 29, and urges the upper and lower rollers in a direction to contact each other. The fixing bolt 28 that fixes the bracket 29 to the grinding wheel base 10 is inserted into a bolt through hole 32 that is elongated in the vertical direction. The height of each roller 22a, 22b can be adjusted by loosening the fixing bolt 28 and moving the bracket 29 up and down. The rollers 222a and 22b sandwich the side portion 1a of the plate material on the outer side (side closer to the grinding wheel) than the center of the guide surfaces 6a and 6b.

テーブル２に固定された板材の側辺部１ａが、下方に撓んだ状態で砥石ユニット３に向けて移動してくると、まずその先端が下側のローラ２２ｂの周面に当接して持上げられて、前側のローラ対２２に挟持され、次いで上下の案内面６ａ、６ｂの間に導かれる。ローラ対２２の上下のローラの間に挿入された板材１の側辺部１ａは、ばね２４の付勢力により上下方向に挟持される。すなわち、案内板５ａ、５ｂの前後で垂れ下がろうとする板材の側辺部の重量が、この前後のローラ対２２で指示されて、案内面６ａ、６ｂの負荷が軽減され、案内面６ａ、６ｂによる板材側辺のより正確な位置決めが実現される。   When the side portion 1a of the plate material fixed to the table 2 moves toward the grindstone unit 3 in a state of being bent downward, first, the tip of the side portion 1a is brought into contact with the peripheral surface of the lower roller 22b and lifted up. Then, it is sandwiched between the pair of rollers 22 on the front side and then guided between the upper and lower guide surfaces 6a and 6b. The side portion 1 a of the plate 1 inserted between the upper and lower rollers of the roller pair 22 is sandwiched in the vertical direction by the urging force of the spring 24. That is, the weight of the side portion of the plate material that is about to hang down before and after the guide plates 5a and 5b is instructed by the front and rear roller pairs 22 to reduce the load on the guide surfaces 6a and 6b. More accurate positioning of the side of the plate material by 6b is realized.

板材１の加工に先立って、砥石ユニット３の上下の砥石３ａ、３ｂの外周が板材の側辺１ｂの上下のエッジに接するように位置設定する。側辺ホルダ５は、その外側縁５ｃを上下の砥石３ａ、３ｂの外周に接近させ、かつ上下の案内面６ａ、６ｂの間隔を板材１の板厚より僅かに広い間隔となるように位置設定する。板材１の板厚か大幅に変更になるなど、必要があれば、固定ボルト２８を緩めてブラケット２９を上下させることにより、上下のローラ２２ａ、２２ｂの高さを調整する。砥石ユニット３及び側辺ホルダ５の設定高さは、それらの上下の砥石３ａ、３ｂ及び上下の案内面６ａ、６ｂの高さ中心がテーブル２上における板材１の板厚中心と一致する高さである。   Prior to processing the plate material 1, the positions of the upper and lower grindstones 3a and 3b of the grindstone unit 3 are set so as to contact the upper and lower edges of the side 1b of the plate material. The side holder 5 is positioned so that the outer edge 5c approaches the outer periphery of the upper and lower grindstones 3a and 3b, and the distance between the upper and lower guide surfaces 6a and 6b is slightly wider than the plate thickness of the plate 1. To do. If necessary, the height of the upper and lower rollers 22a and 22b is adjusted by loosening the fixing bolt 28 and moving the bracket 29 up and down, if necessary, such as when the plate thickness of the plate 1 is significantly changed. The set height of the grindstone unit 3 and the side holder 5 is such that the height centers of the upper and lower grindstones 3a and 3b and the upper and lower guide surfaces 6a and 6b coincide with the plate thickness center of the plate 1 on the table 2. It is.

砥石ユニット３による板材１の側辺加工は、テーブル２を砥石ユニット３に対して加工する加工辺１ｂの方向に相対移動させることによって行われる。このとき、砥石ユニット３と側辺ホルダ５及びローラ対２２相互の位置関係は変化しない。側辺ホルダの案内面６ａ、６ｂと板材１の表裏面との間には、これらの案内面の流出孔７から流出する流体によって流体膜が形成されており、テーブル２の移動に伴って板材の側辺部１ａは、この流体膜に挟持された状態で上下の案内面６ａ、６ｂの間を通過して行く。   Side processing of the plate 1 by the grindstone unit 3 is performed by relatively moving the table 2 in the direction of the processing side 1b to be processed with respect to the grindstone unit 3. At this time, the positional relationship between the grindstone unit 3, the side holder 5, and the roller pair 22 does not change. A fluid film is formed between the guide surfaces 6a and 6b of the side holder and the front and back surfaces of the plate 1 by the fluid flowing out from the outflow holes 7 of these guide surfaces. The side portion 1a passes between the upper and lower guide surfaces 6a and 6b while being sandwiched between the fluid films.

案内面６ａ、６ｂと板材１の表面との間隙を狭く設定することにより、その間に形成される流体膜の圧力を高くすることが可能で、この高い流体圧（特に液圧）で上下面を挟持することにより、板材の側辺部１ａの高い保持剛性と保持精度とを実現することができる。すなわち、加工する板材１の幅寸法Ｂ（図１）が変わったとき、新たな板材幅に対応する位置に砥石台１０を移動させれば、砥石ユニット３、側辺ホルダ５及びローラ対２２は、常に加工される位置で板材の側辺部１ａを高剛性かつ高精度で保持することとなり、テーブル２の大きさを変えることなく、幅寸法Ｂの異なる板材の側辺加工を行うことが可能になる。   By setting the gap between the guide surfaces 6a and 6b and the surface of the plate 1 to be narrow, the pressure of the fluid film formed between them can be increased, and the upper and lower surfaces can be moved with this high fluid pressure (especially hydraulic pressure). By holding, high holding rigidity and holding accuracy of the side part 1a of the plate material can be realized. That is, when the width dimension B (FIG. 1) of the plate 1 to be processed is changed, the grindstone unit 3, the side holder 5, and the roller pair 22 are moved by moving the grindstone base 10 to a position corresponding to the new plate width. The side part 1a of the plate material is held with high rigidity and high precision at the position where it is always processed, and it is possible to perform the side processing of plate materials having different width dimensions B without changing the size of the table 2. become.

案内板５ａ、５ｂの前後で板材の側辺部１ａを挟持しているローラ対２２の下方のローラ２２ｂは、板材１が加工位置に進入してくるとき、自重で撓んでいる当該板材の側辺部１ａを持上げ、次いで上方のローラ２２ａとの間で板材１を挟持して案内面６ａ、６ｂの間に導くように作用する。ばね２４は、ローラ２２ａ、２２ｂに挟持力を付与すると共に、板材１の先端が衝突したときにその衝突力を吸収する作用をしている。また、案内面６ａ、６ｂの前後で下方に垂れ下がろうとする板材１がローラ対２２で案内されることから、案内面６ａ、６ｂによる板材側辺の高さ精度を高くすることができると共に、案内面６ａ、６ｂの面積も小さくできる。   The roller 22b below the roller pair 22 sandwiching the side portion 1a of the plate material before and after the guide plates 5a and 5b is the side of the plate material that is bent by its own weight when the plate material 1 enters the processing position. The side 1a is lifted, and then the plate 1 is sandwiched between the upper roller 22a and guided between the guide surfaces 6a and 6b. The spring 24 applies a clamping force to the rollers 22a and 22b and absorbs the collision force when the tip of the plate member 1 collides. In addition, since the plate material 1 which is about to hang down before and after the guide surfaces 6a and 6b is guided by the roller pair 22, the height accuracy of the side of the plate material by the guide surfaces 6a and 6b can be increased. The area of the guide surfaces 6a and 6b can also be reduced.

この発明の側辺加工装置で板材の対向側辺を同時加工する状態を示す模式的な斜視図The typical perspective view which shows the state which processes the opposing side of a board | plate material simultaneously with the side processing apparatus of this invention. 側辺ホルダの下案内板の斜視図Perspective view of the lower guide plate of the side holder 側辺ホルダと砥石ユニットを示す断面図Sectional view showing side holder and grindstone unit ローラ対と砥石ユニットを示す正面図Front view showing roller pair and grinding wheel unit 側辺の面取り砥石の一例を示す模式的な斜視図Schematic perspective view showing an example of a side chamfering grindstone

符号の説明Explanation of symbols

１ 板材
１ａ 側辺部
２ テーブル
３ 砥石ユニット
3a,3b 砥石車
５ 側辺ホルダ
6a,6b 案内面
７ 流出孔
10 砥石台
22 ローラ対
22a,22b ローラ
24 ばね 1 Plate 1a Side 2 Table 3 Wheel unit
3a, 3b Grinding wheel 5 Side holder
6a, 6b Guide surface 7 Outflow hole
10 Wheelhead
22 Roller pair
22a, 22b Roller
24 spring

Claims (3)

板材(1)を固定するテーブル(2)と、その側方両側に配置された工具台(10)と、この工具台に装着された側辺加工用の工具(3)とを備え、工具台(10)をテーブル(2)に対して当該テーブルに固定された板材(1)の加工しようとする側辺に平行な方向に相対移動させることにより、前記板材の側辺を加工する側辺加工装置において、
前記テーブルの側辺から張出した板材の側辺部(1a)を、その表裏面に向けて流出する流体圧で表裏方向に保持する側辺ホルダ(5)を備え、かつ、この側辺ホルダの前記工具台の移動方向前後に、当該移動方向と直交する方向の軸回りに自由回転可能に軸支されて前記板材の側辺部を表裏方向に挟持するローラ対(22)を備えていることを特徴とする、板材の側辺加工装置。 A table (2) for fixing the plate material (1), a tool table (10) arranged on both sides of the table, and a side machining tool (3) mounted on the tool table, Side processing for processing the side of the plate material by moving (10) relative to the table (2) in a direction parallel to the side of the plate (1) to be processed fixed to the table (2) In the device
A side holder (5) for holding the side part (1a) of the plate material projecting from the side of the table in the front and back direction with a fluid pressure flowing out toward the front and back surfaces, and the side holder of the side holder Before and after the movement direction of the tool table, it is provided with a roller pair (22) that is supported so as to be freely rotatable around an axis in a direction orthogonal to the movement direction and sandwiches the side portion of the plate material in the front and back direction. An apparatus for processing a side of a plate material. 前記側辺ホルダ(5)は、前記工具(3)に近接してテーブル(2)側に配置され、当該工具で加工される板材(1)の側辺部表裏面に遊隙を持って対向する一対の案内面(6a,6b)を備え、当該案内面は、前記遊隙を保持するための浮上用圧力流体の流出孔(7)を備えており、前記ローラ対の上下のローラ(22a,22b)は、それぞれが前記板材の表裏面に向けてばね(24)で付勢して設けられていることを特徴とする、請求項１記載の側辺加工装置。   The side holder (5) is disposed on the table (2) side in the vicinity of the tool (3) and faces the front and back surfaces of the side part of the plate (1) processed by the tool with a gap. A pair of guide surfaces (6a, 6b), and the guide surfaces are provided with an outflow hole (7) for floating pressure fluid for holding the clearance, and the upper and lower rollers (22a) of the roller pair 22b) is provided with a spring (24) biased toward the front and back surfaces of the plate material, respectively. 前記工具(3)が、前記工具台(10)の前記相対移動方向と平行な軸回りに回転する上下の回転工具(3a,3b)を備え、前記ローラ対(22)が、前記案内面(6a,6b)の中心より前記工具に近接した位置に配置されている、請求項２記載の側辺加工装置。   The tool (3) includes upper and lower rotary tools (3a, 3b) that rotate about an axis parallel to the relative movement direction of the tool table (10), and the roller pair (22) includes the guide surface ( The side processing apparatus according to claim 2, which is disposed at a position closer to the tool than the center of 6a, 6b).
JP2006277682A 2006-10-11 2006-10-11 Side processing equipment for plate material Expired - Fee Related JP4969197B2 (en)

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JP2006277682A JP4969197B2 (en) 2006-10-11 2006-10-11 Side processing equipment for plate material
CNB2006101687543A CN100548575C (en) 2006-10-11 2006-12-18 The device for machining edges of sheet material
TW095148311A TW200817133A (en) 2006-10-11 2006-12-22 Machining apparatus of sides of plate
KR1020060136259A KR100827899B1 (en) 2006-10-11 2006-12-28 Machining apparatus of sides of plate

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