JP5679566B2 - Work support device - Google Patents

Work support device Download PDF

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JP5679566B2
JP5679566B2 JP2011055094A JP2011055094A JP5679566B2 JP 5679566 B2 JP5679566 B2 JP 5679566B2 JP 2011055094 A JP2011055094 A JP 2011055094A JP 2011055094 A JP2011055094 A JP 2011055094A JP 5679566 B2 JP5679566 B2 JP 5679566B2
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support
workpiece
work
support device
supported
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JP2012187694A (en
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辰巳 菱川
辰巳 菱川
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Startechno Co Ltd
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Startechno Co Ltd
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Description

本発明は、ワークに対して所要の加工を行うワーク加工装置において加工されるワークを支持して保持するワーク支持装置に関する。   The present invention relates to a workpiece support device that supports and holds a workpiece to be processed in a workpiece processing apparatus that performs required processing on the workpiece.

例えば特許文献1に示す固定装置にあっては、ベッドの後方にベッドの下端と同じ位置から上方に延した支柱と、全体として山形の呈する樹脂部材の突部を支持するシリンダー手段の中央支持部と、この中央支持部の上方に中央支持部を挟んで配置する一対の弾性部と、これらの弾性部を下降させることで中央支持部に載せた樹脂部材を抑える弾性部昇降手段と、バンパーの断面方向の位置決めするバンパー位置決め機構を備え、バンパー位置決め機構により樹脂部材のコ字断面を構成する一対のフランジを挟持して位置決めして固定する。   For example, in the fixing device shown in Patent Document 1, a central support portion of a cylinder means for supporting a support column extending upward from the same position as the lower end of the bed on the rear side of the bed and a protrusion of the resin member having a mountain shape as a whole A pair of elastic portions disposed above the central support portion with the central support portion interposed therebetween, an elastic portion lifting means for suppressing the resin member placed on the central support portion by lowering these elastic portions, and a bumper A bumper positioning mechanism for positioning in the cross-sectional direction is provided, and a pair of flanges constituting a U-shaped cross section of the resin member are sandwiched and positioned by the bumper positioning mechanism.

しかし、上記の固定装置により樹脂部材を固定するには、該樹脂部材に予めフラン時部を形成しておく必要があり、固定可能な樹脂部材が限定される問題を有している。また、該固定装置のバンパー位置決め機構は、樹脂部材のフランジに対応して固定板金を互いに近づく方向及び遠ざかる方向へ移動して位置決めする構造であるが、樹脂部材のフランジに対する挟持力を変更できず、大きさや重量が異なる各種樹脂部材に対応できない問題を有している。   However, in order to fix the resin member by the above-described fixing device, it is necessary to form a furan portion in advance in the resin member, which has a problem that the resin member that can be fixed is limited. Further, the bumper positioning mechanism of the fixing device has a structure in which the fixing sheet metal is moved and positioned in a direction toward and away from each other corresponding to the flange of the resin member, but the holding force of the resin member on the flange cannot be changed. However, it has a problem that it cannot cope with various resin members having different sizes and weights.

特開2005−66791号公報JP 2005-66791 A

解決しようとする問題点は、ワークに予めフランジを形成しておく必要があり、固定可能なワークが限定され、各種ワークを有効に支持して固定できない点にある。また、ワークの大きさや重量に応じて固定力を変更できず、各種ワークを最適条件で支持して固定できない点にある。   The problem to be solved is that it is necessary to form a flange in advance on the work, the work that can be fixed is limited, and various works can be supported effectively and cannot be fixed. Further, the fixing force cannot be changed according to the size and weight of the workpiece, and various workpieces cannot be supported and fixed under optimum conditions.

本発明は、ワークを支持して保持するワーク支持装置において、所要の間隔をおいて相対する第1及び第2固定板と、第1固定板における少なくとも3分割位置にて一方端部が揺動可能にそれぞれ軸支される支持ロッドと、第2固定板に対して上記各支持ロッドの軸支端を結ぶ仮想線中心に一致して回転可能に軸支される回動盤と、該回動盤を所要の角度で回動する回動部材と、上記回動盤における回動中心の少なくとも3分割位置にてそれぞれの支持ロッドの他端部側を挿通して傾動可能に軸支する軸受とを備え、回動部材により回動盤を回動して各支持ロッドを、他端部が互いに近づく縮径側及び互いに離間する拡径側に位置するように傾動してワークに対する各支持ロッドによる支持面を可変可能にしたことを最も主要な特徴とする。   According to the present invention, in a workpiece support device that supports and holds a workpiece, the first and second fixing plates opposed to each other with a predetermined interval, and one end of the first fixing plate swings at at least three divided positions. A support rod that is pivotally supported, a turntable that is pivotally supported so as to coincide with a center of an imaginary line connecting the shaft support ends of the support rods to the second fixed plate, and the rotation A pivot member that pivots the panel at a required angle; and a bearing that pivotally supports the other end side of each support rod through at least three divided positions of the pivot center of the pivot board. The support plate is rotated by the rotating member so that the support rods are tilted so that the other end portions are positioned on the reduced diameter side approaching each other and on the enlarged diameter side separating from each other. The main feature is that the support surface is variable.

本発明は、支持可能なワークに限定されず、各種ワークを有効に支持して保持することができる。また、ワークの大きさや重量に応じて支持面の大きさを変更することができ、各種ワークを最適条件で支持して保持することができる。   The present invention is not limited to a work that can be supported, and can support and hold various works effectively. Further, the size of the support surface can be changed according to the size and weight of the workpiece, and various workpieces can be supported and held under optimum conditions.

本発明に係るワーク支持装置が設けられたワーク加工装置の概略を示す斜視図である。It is a perspective view which shows the outline of the workpiece processing apparatus provided with the workpiece | work support apparatus which concerns on this invention. ワーク支持装置の概略を示す斜視図である。It is a perspective view which shows the outline of a workpiece | work support apparatus. ワーク支持装置の中央縦断面図である。It is a center longitudinal cross-sectional view of a workpiece | work support apparatus. 支持ロッドを縮径した状態を示す平面説明図である。It is plane explanatory drawing which shows the state which diameter-reduced the support rod. 支持ロッドを拡径した状態を示す斜視説明図である。It is a perspective explanatory view which shows the state which expanded the diameter of the support rod. 支持ロッドを拡径した状態を示す平面説明図である。It is plane explanatory drawing which shows the state which expanded the diameter of the support rod.

回動部材により回動盤を回動して各支持ロッドを、他端部が互いに近づく縮径側及び互いに離間する拡径側に位置するように傾動してワークに対する各支持ロッドによる支持面を可変可能にしたことを最適の実施形態とする。   The rotating plate is rotated by the rotating member, and the support rods are tilted so that the other end portions are positioned on the reduced diameter side approaching each other and the enlarged diameter side separating from each other, thereby supporting the support surface by the support rods with respect to the workpiece. It is an optimum embodiment that it is variable.

以下、実施例を示す図に従って本発明を説明する。
図1乃至図3に示すように、ワーク加工装置1の本体(図示せず)には、長手方向(図示する左右方向)がワーク5(図1に一点鎖線で示す。)の長手方向に応じた長さからなる前後一対の第1及び第2支持フレーム7・9が、図示する前後方向へワーク5の奥行き幅に応じた間隔をおいて平行して設けられる。各第1及び第2支持フレーム7・9には、左右一対の第1及び第2走行体11・13が、長手方向に対して往復移動するように支持される。なお、図中の符号4は、第1及び第2支持フレーム7・9を連結する固定バーである。
The present invention will be described below with reference to the drawings showing examples.
As shown in FIGS. 1 to 3, the main body (not shown) of the workpiece machining apparatus 1 has a longitudinal direction (left-right direction shown) corresponding to the longitudinal direction of the workpiece 5 (shown by a dashed line in FIG. 1). A pair of front and rear first and second support frames 7 and 9 each having a predetermined length are provided in parallel in the front-rear direction shown in the drawing at an interval corresponding to the depth width of the workpiece 5. A pair of left and right first and second traveling bodies 11 and 13 are supported on the first and second support frames 7 and 9 so as to reciprocate in the longitudinal direction. In addition, the code | symbol 4 in a figure is a fixed bar which connects the 1st and 2nd support frames 7 * 9.

左右一対の第1及び第2走行体11・13は、対応する第1及び第2支持フレーム7・9に回転可能に支持され、かつ数値制御可能なサーボモータ等の第1及び第2電動モータ15・17に連結された第1及び第2送りねじ(図示せず)に噛合わされ、各第1及び第2電動モータ15・17の駆動に伴って対応する左右一対の第1及び第2走行体11・13は、互いに近づく方向及び遠ざかる方向へ往復移動される。   The pair of left and right first and second traveling bodies 11 and 13 are first and second electric motors such as servo motors rotatably supported by corresponding first and second support frames 7 and 9 and numerically controllable. A pair of left and right first and second travels meshed with first and second feed screws (not shown) connected to 15 and 17 and corresponding to driving of the first and second electric motors 15 and 17, respectively. The bodies 11 and 13 are reciprocated in directions toward and away from each other.

即ち、第1支持フレーム7内には、軸線長さが該第1支持フレーム7の長手方向長さの1/2からなる2本の第1送りねじが第1支持フレーム7の長手方向に対して軸線を一致させて回転可能に支持され、各第1送りねじにそれぞれの第1走行体11のナット部(図示せず)が噛合わされる。そして各第1送りねじに連結された第1電動モータ15を互いに異なる方向へ同期して回転制御することにより各第1走行体11を互いに近づく方向及び遠ざかる方向へ往復移動させる。   That is, in the first support frame 7, two first feed screws whose axial length is ½ of the longitudinal length of the first support frame 7 are in the longitudinal direction of the first support frame 7. The nuts (not shown) of the respective first traveling bodies 11 are meshed with the respective first feed screws. Then, the first electric motors 15 connected to the first feed screws are rotationally controlled in synchronization with different directions, whereby the first traveling bodies 11 are reciprocated in directions toward and away from each other.

同様に第2支持フレーム9には、軸線長さが該第2支持フレーム9の長手方向長さの1/2からなる2本の第2送りねじが第2支持フレーム9の長手方向に対して軸線を一致させて回転可能に支持され、各第2送りねじにそれぞれの第2走行体13のナット部(図示せず)が噛合わされる。そして各第2送りねじに連結された第2電動モータ17を互いに異なる方向へ同期して回転制御することにより各第2走行体13を互いに近づく方向及び遠ざかる方向へ往復移動させる。 Similarly, the second support frame 9 has two second feed screws whose axial length is ½ of the longitudinal length of the second support frame 9 with respect to the longitudinal direction of the second support frame 9. The shafts are aligned so as to be rotatable, and a nut portion (not shown) of each second traveling body 13 is engaged with each second feed screw. Then, the second electric motors 17 connected to the respective second feed screws are synchronously rotated in different directions, thereby causing the second traveling bodies 13 to reciprocate in directions toward and away from each other.

各第1走行体11には、ワーク5の裏面に当接して吸着支持する支持アーム19がそれぞれ固定される。各支持アーム19の上端部には、負圧発生源(図示せず)に接続され、吸着面を上方に向けた吸着部材23がそれぞれ取付けられ、吸着部材23によりセットされたワーク5の裏面を吸着して保持させる。   A support arm 19 that is in contact with the back surface of the workpiece 5 and is supported by suction is fixed to each first traveling body 11. At the upper end of each support arm 19, a suction member 23 connected to a negative pressure source (not shown) and facing the suction surface upward is attached, and the back surface of the workpiece 5 set by the suction member 23 is attached to the upper end portion of the support arm 19. Adsorb and hold.

一方、各第2走行体13には、本発明に係り、後述するワーク支持装置25がそれぞれ設けられる。また、本体の後方または側方には、ワーク加工装置1にセットされた車輛用バンパー、車輛用ダッシュパネル等のように長手方向が長尺状で奥行き幅があるワーク5に対して孔開け加工、バリ取り加工、塗装処理等の所望の加工処理を行う産業ロボット等の各種加工機(図示せず)が配置される。   On the other hand, each second traveling body 13 is provided with a work support device 25, which will be described later, according to the present invention. Further, on the rear side or side of the main body, a hole 5 is drilled in a work 5 having a long longitudinal direction and a depth width such as a vehicle bumper and a vehicle dash panel set in the work machining apparatus 1. Various processing machines (not shown) such as industrial robots that perform desired processing such as deburring and painting are disposed.

なお、上記第2支持フレーム9は、図示する前後方向及び上下方向へ移動可能な構成であってもよい。即ち、本体の図示する前側には、前後方向へ延出する左右一対の前後フレーム(図示せず)を図示する左右方向へ所要の間隔をおいて配置し、各前後フレームに対して前後走行体(図示せず)を図示する前後方向へ移動可能に支持する。各前後走行体のナット部(図示せず)は、それぞれの前後フレームに回転可能に軸支され、数値制御可能サーボモータ等の前後電動モータ(図示せず)に連結された前後送りねじ(図示せず)に噛合わされ、各前後電動モータの駆動に伴って回転する前後送りねじによりそれぞれの前後走行体が前後方向へ移動される。   The second support frame 9 may be configured to be movable in the illustrated front-rear direction and up-down direction. That is, a pair of left and right front and rear frames (not shown) extending in the front-rear direction are arranged on the front side of the main body in the figure at a required interval in the left-right direction shown in the drawing, (Not shown) is supported so as to be movable in the front-rear direction. A nut portion (not shown) of each front and rear traveling body is rotatably supported on the respective front and rear frames, and is connected to a front and rear electric motor (not shown) such as a numerically controllable servo motor (not shown). The front and rear traveling bodies are moved in the front-rear direction by front-rear feed screws that are meshed with each other and rotated as the front-rear electric motors are driven.

また、各前後走行体には、昇降フレーム(図示せず)がそれぞれ設けられ、各昇降フレームには、昇降体(図示せず)がそれぞれ上下方向へ移動可能に支持され。各昇降体のナット部(図示せず)は、それぞれの昇降フレームに回転可能に軸支され、数値制御可能サーボモータ等の上下電動モータ(図示せず)に連結された上下送りねじ(図示せず)に噛合わされ、各上下電動モータの駆動に伴って回転する上下送りねじによりそれぞれの昇降体が上下方向へ移動される。そして各昇降体には、第2支持フレーム9の長手方向両端部が固定され、前後電動モータ及び上下電動モータの駆動に伴って前後方向及び上下方向へ移動して位置調整される。 Each front and rear traveling body is provided with an elevating frame (not shown), and each elevating frame (not shown) is supported by each elevating frame so as to be movable in the vertical direction. A nut portion (not shown) of each elevating body is rotatably supported on each elevating frame and is connected to a vertical electric motor (not shown) such as a numerically controllable servo motor (not shown). ) And the vertical lifting screws are rotated in the vertical direction by the vertical feed screws that rotate as the vertical electric motors are driven. Then, both ends of the second support frame 9 in the longitudinal direction are fixed to each lifting body, and the position is adjusted by moving in the front-rear direction and the vertical direction as the front-rear electric motor and the vertical electric motor are driven.

上記ワーク支持装置25は、第2走行体13に対して取付けアーム27を介して取付けられる。該取付けアーム27は、上下方向に所要間隔をおいた第1及び第2固定板29・31を有し、第1固定板29の中心部には、貫通孔29aが設けられ、該第1固定板29の下面に固定された回動部材としての数値制御可能サーボモータ等の電動モータ34の出力軸34aが上記貫通孔29aを挿通して上方へ突出される。また、上記第1固定板29には、上記貫通孔29aを中心とする少なくとも3分割位置に軸支孔29b(図示の例では、3個とする。)が形成され、各軸支孔29bには、自在軸受33がそれぞれ軸支される。   The work support device 25 is attached to the second traveling body 13 via an attachment arm 27. The mounting arm 27 includes first and second fixing plates 29 and 31 that are spaced apart in the vertical direction. A through hole 29a is provided in the center of the first fixing plate 29, and the first fixing plate 27 is fixed to the first fixing plate 29. An output shaft 34a of an electric motor 34 such as a numerically controllable servo motor as a rotating member fixed to the lower surface of the plate 29 is inserted through the through hole 29a and protrudes upward. The first fixing plate 29 is formed with shaft support holes 29b (three in the illustrated example) in at least three divided positions with the through hole 29a as the center, and each shaft support hole 29b has a shaft support hole 29b. The universal bearings 33 are pivotally supported.

第2固定板31の中央部には、軸支孔31aが上記軸支孔29aと同心状に形成され、該軸支孔31aには、回動盤35が軸受を介して回転可能に軸支される。該回動盤35の中心には、上記電動モータ34の出力軸34aの軸端部が固定され、該電動モータ34の駆動により所要の角度(本例では、40度とするが、該角度に限定されるものではない。)で往復回動される。   A shaft support hole 31a is formed concentrically with the shaft support hole 29a in the central portion of the second fixed plate 31, and a rotating plate 35 is rotatably supported via a bearing in the shaft support hole 31a. Is done. The shaft end of the output shaft 34a of the electric motor 34 is fixed at the center of the rotating plate 35, and the required angle (in this example, 40 degrees is set by driving the electric motor 34. It is not limited.)

また、上記回動盤35には、上記軸支孔31aを中心とする少なくとも3分割位置に軸支孔35a(図示の例では、3個とする。)が形成され、各軸支孔35aには、自在軸受37がそれぞれ軸支される。上記各自在軸受33には、支持ロッド39の軸端部が抜け止めされた状態でそれぞれ固定されると共に上記各軸受37には、それぞれの支持ロッド39の上部が軸線方向へ摺動するようにそれぞれ支持される。そして各支持ロッド39の上端部には、負圧発生源に接続され、吸着面を上方に向けた吸着部材41がボールジョイントを介してそれぞれ取付けられる。   The rotating plate 35 is provided with shaft support holes 35a (three in the illustrated example) at least in three divided positions with the shaft support hole 31a as the center. The universal bearings 37 are pivotally supported. The shafts of the support rods 39 are fixed to the respective universal bearings 33 in a state in which the shafts are prevented from being detached, and the upper portions of the support rods 39 are slid in the axial directions of the respective bearings 37. Each is supported. Then, at the upper end of each support rod 39, a suction member 41, which is connected to a negative pressure generation source and whose suction surface faces upward, is attached via a ball joint.

上記各支持ロッド39は、第1固定板29の各自在軸受33に対して第2固定板31の各自在軸受37が同角度位置に位置するように回動盤35が回動された際に、上端部の吸着部材41が互いに近接し合う縮径側に位置するように揺動される。   The support rods 39 are provided when the turntable 35 is rotated so that the universal bearings 37 of the second fixed plate 31 are positioned at the same angular positions with respect to the universal bearings 33 of the first fixed plate 29. The upper end portion of the suction member 41 is swung so as to be positioned on the reduced diameter side close to each other.

また、上記各支持ロッド39は、第1固定板29の各自在軸受33に対して第2固定板31の各自在軸受37が上記所要の角度で変位するように回動盤35が回動された際に、上端部の吸着部材41が互いに離間し合う拡径側に位置するように揺動される。 In addition, each support rod 39 has its turntable 35 rotated so that each universal bearing 37 of the second fixed plate 31 is displaced at the required angle with respect to each universal bearing 33 of the first fixed plate 29. In this case, the suction member 41 at the upper end is swung so as to be positioned on the diameter-expanding side that is separated from each other.

次に、上記のように構成されたワーク加工装置1及びワーク支持装置25の作用を説明する。
先ず、ワーク加工装置1によるワークの加工作用を説明すると、第1及び第2電動モータ15・17を駆動制御して各第1及び第2走行体11・12をワーク5の長手方向幅に応じて移動し、それぞれの吸着部材23・41をワーク5下面における所定の支持位置へ位置させる。
Next, the operation of the workpiece machining apparatus 1 and the workpiece support apparatus 25 configured as described above will be described.
First, the workpiece machining operation by the workpiece machining apparatus 1 will be described. The first and second electric motors 15 and 17 are driven and controlled so that each of the first and second traveling bodies 11 and 12 corresponds to the longitudinal width of the workpiece 5. The suction members 23 and 41 are moved to predetermined support positions on the lower surface of the work 5.

上記状態にて各吸着部材23・41に対してワーク5を載置した状態で負圧吸引して吸着保持させることにより固定させる。そして上記状態にて固定されたワーク5に対して加工機を駆動制御し、ワーク5に対して所要の加工を行う。   In the state described above, the workpiece 5 is fixed to the suction members 23 and 41 by sucking and holding the workpiece 5 by suction with a negative pressure. Then, the machining machine is driven and controlled with respect to the workpiece 5 fixed in the above-described state, and the workpiece 5 is subjected to required machining.

上記したワーク5を加工する際に、例えばワーク5が小形で軽量の場合には、吸着部材41によるワーク5の吸着面(吸着幅)を狭くして行う。この場合、電動モータ34を駆動制御して回動盤35を、軸支孔35aが第1固定板29の軸支孔29bに一致する角度になるように回動させる。   When the workpiece 5 is processed, for example, if the workpiece 5 is small and light, the suction surface (suction width) of the workpiece 5 by the suction member 41 is narrowed. In this case, the electric motor 34 is driven and controlled so that the turntable 35 is turned so that the shaft support hole 35 a has an angle that coincides with the shaft support hole 29 b of the first fixing plate 29.

該動作により軸受部材33に対して下端部が揺動するように支持された各支持ロッド39を、その上部に設けられた各吸着部材41が互いに近接し合う縮径側に位置するように傾動させる。これにより各吸着部材41により想定されるワーク5の吸着面(吸着幅)を縮小させ、該状態にてワーク5の裏面を吸着して保持する。(図2及び図4参照) The support rods 39 supported by the operation so that the lower end of the bearing member 33 swings are tilted so that the suction members 41 provided on the support rods 39 are positioned on the reduced diameter side where they are close to each other. Let Thereby, the suction surface (suction width) of the work 5 assumed by each suction member 41 is reduced, and the back surface of the work 5 is sucked and held in this state. (See Figs. 2 and 4)

反対に、大形で重量のあるワーク5を加工する際には、吸着部材41によるワークの吸着面(吸着幅)を広くして保持状態を安定化させる必要がある。この場合には、電動モータ34を駆動制御して回動盤35を、軸支孔35aが第1固定板29の軸支孔29bに対して所要の角度で変位した位置へ回動させる。   On the other hand, when processing a large and heavy workpiece 5, it is necessary to stabilize the holding state by widening the suction surface (suction width) of the workpiece by the suction member 41. In this case, the electric motor 34 is drive-controlled to rotate the turntable 35 to a position where the shaft support hole 35 a is displaced at a required angle with respect to the shaft support hole 29 b of the first fixed plate 29.

該動作により軸受部材33に対して下端部が揺動するように支持された各支持ロッド39を、その上部に設けられた各吸着部材41が互いに離間し合う拡径側に位置するように傾動させる。これにより各吸着部材41により想定されるワーク5の吸着面(吸着幅)を拡大し、該状態にてワーク5の裏面を吸着して保持する。(図5及び図6参照) By this operation, the support rods 39 supported so that the lower end portion of the bearing member 33 swings are tilted so that the suction members 41 provided on the support rods 39 are located on the diameter-expanding side where they are separated from each other. Let Thereby, the suction surface (suction width) of the work 5 assumed by each suction member 41 is enlarged, and the back surface of the work 5 is sucked and held in this state. (See FIGS. 5 and 6)

本実施例は、ワーク5の大きさ、重量等に応じてワーク5に対する吸着面を可変し、安定的に保持させることができる。   In the present embodiment, the suction surface with respect to the workpiece 5 can be varied according to the size, weight, etc. of the workpiece 5 and can be stably held.

上記説明は、第2走行体13にワーク支持装置25を取付ける構成としたが、セットされるワーク5の下面側に配置された多関節ロボットのアームにワーク支持装置25を取付け、ワーク5に対する支持個所を最適位置へ変更可能にした構成であってもよい。   In the above description, the work support device 25 is attached to the second traveling body 13, but the work support device 25 is attached to the arm of the articulated robot arranged on the lower surface side of the work 5 to be set, and the work 5 is supported. The configuration may be such that the location can be changed to the optimum position.

上記説明は、各支持ロッド39の上部に吸着部材41をそれぞれ取付け、ワーク5の裏面を吸着して支持保持する構成としたが、本発明は、各支持ロッド39の上端面にてワーク5の裏面に当接して支持する構成としてもよい。また、各支持ロッド39の上端部にエアーシリンダ、電動モータ等の作動部材により開閉する爪を有したハンド(グリッパ)によりワーク5の裏面に予め設けられた被把持部を把持して支持する構成としてもよい。更に、各支持ロッド39の上端部を縮径してワーク5の裏面に予め設けられた被把持部を直接把持して支持する構成としてもよい。   In the above description, the suction member 41 is attached to the upper part of each support rod 39, and the back surface of the work 5 is sucked and supported and held. It is good also as a structure which contacts and supports a back surface. Also, a structure in which a gripped portion provided in advance on the back surface of the workpiece 5 is gripped and supported by a hand (gripper) having a claw that is opened and closed by an operating member such as an air cylinder or an electric motor at the upper end of each support rod 39. It is good. Furthermore, it is good also as a structure which grips and supports the to-be-gripped part directly provided in the back surface of the workpiece | work 5 by reducing the diameter of the upper end part of each support rod 39 directly.

第1及び第2支持フレーム7・9における第1及び第2走行体11・13の移動機構として電動モータに連結された送りねじとしたが、移動機構としては、第1及び第2支持フレームの長手方向両端部に歯付きプーリ等の回転体をそれぞれ回転可能に軸支すると共に一方端部の回転体に電動モータを連結する。そして両端部の回転体に歯付きベルト等の走行帯を掛渡すと共に上側走行帯に一方側の走行体を、また下側走行帯に他方側の走行体を取付け、電動モータの駆動に伴って走行帯を一定方向へ走行させることにより支持フレームに対して各走行体を、互いに近づく方向及び離間する方向へ移動させる構成であってもよい。   Although the feed screw connected to the electric motor is used as the moving mechanism of the first and second traveling bodies 11 and 13 in the first and second support frames 7 and 9, the moving mechanism is that of the first and second support frames. A rotating body such as a toothed pulley is rotatably supported at both ends in the longitudinal direction, and an electric motor is connected to the rotating body at one end. Then, a traveling belt such as a toothed belt is passed over the rotating bodies at both ends, one traveling body is attached to the upper traveling belt, the other traveling body is attached to the lower traveling belt, and the electric motor is driven. A configuration may be adopted in which the traveling bodies are moved in directions toward and away from each other with respect to the support frame by traveling in a certain direction in the traveling zone.

また、本例にあっては、支持ロッド39が拡径側へ傾動した際には、縮径側へ傾動した場合に比べて吸着部材41における吸着面の高さが若干下がるため、上記したように取付けアーム27自体を高さ調整可能な構成とするか、取付けアーム27に対してワーク支持装置25を高さ調節可能に取付ける構成とする。具体的には、取付けアーム27の先端部に正面コ字形の上下フレームを取付け、該上下フレームに対して上下方向に軸線を有し、一端部に電動モータが連結された送りねじを回転可能に軸支し、該送りねじにワーク支持装置25に設けられたナット部材を噛合わせ、電動モータの駆動により回転する送りねじによりワーク支持装置25を上下方向へ位置調整可能にする。   Further, in this example, when the support rod 39 is tilted to the diameter expansion side, the height of the suction surface of the suction member 41 is slightly lowered as compared with the case of tilting to the diameter reduction side, as described above. The mounting arm 27 itself can be adjusted in height, or the work support device 25 is mounted on the mounting arm 27 so that the height can be adjusted. Specifically, a front U-shaped upper and lower frame is attached to the tip of the mounting arm 27, and a feed screw having an axis in the vertical direction with respect to the upper and lower frame and connected to an electric motor at one end is rotatable. A nut member provided on the work support device 25 is engaged with the feed screw, and the work support device 25 is vertically adjustable by a feed screw that is rotated by driving of an electric motor.

1 ワーク加工装置
4 固定バー
5 ワーク
7 第1支持フレーム
9 第2支持フレーム
11 第1走行体
13 第2走行体
15 第1電動モータ
17 第2電動モータ
19 支持アーム
23 吸着部材
25 ワーク支持装置
27 取付けアーム
29 第1固定板
29a 貫通孔
29b 軸支孔
31 第2固定板
31a 軸支孔
33 自在軸受
34 回動部材としての電動モータ
34a 出力軸
35 回動盤
35a 軸支孔
37 自在軸受
39 支持ロッド
41 吸着部材
DESCRIPTION OF SYMBOLS 1 Work processing apparatus 4 Fixed bar 5 Work 7 1st support frame 9 2nd support frame 11 1st travel body 13 2nd travel body 15 1st electric motor 17 2nd electric motor 19 Support arm 23 Adsorption member 25 Work support apparatus 27 Mounting arm 29 First fixing plate 29a Through hole 29b Shaft support hole 31 Second fixing plate 31a Shaft support hole 33 Free bearing 34 Electric motor 34a as rotating member Output shaft 35 Turning plate 35a Shaft support hole 37 Free bearing 39 Support Rod 41 Adsorption member

Claims (5)

ワークを支持して保持するワーク支持装置において、
所要の間隔をおいて相対する第1及び第2固定板と、
第1固定板における少なくとも3分割位置にて一方端部が揺動可能にそれぞれ軸支される支持ロッドと、
第2固定板に対して上記各支持ロッドの軸支端を結ぶ仮想線中心に一致して回転可能に軸支される回動盤と、
該回動盤を所要の角度で回動する回動部材と、
上記回動盤における回動中心の少なくとも3分割位置にてそれぞれの支持ロッドの他端部側を挿通して揺動可能に軸支する軸受と、
を備え、回動部材により回動盤を回動して各支持ロッドを、他端部が互いに近づく縮径側及び互いに離間する拡径側に位置するように傾動してワークに対する各支持ロッドによる支持面を可変可能にしたワーク支持装置。
In a workpiece support device that supports and holds a workpiece,
First and second fixing plates facing each other at a required interval;
A support rod that is pivotally supported at one end portion so as to be swingable at at least three divided positions in the first fixed plate;
A turntable that is pivotally supported so as to be able to rotate in accordance with the center of an imaginary line connecting the pivotal support ends of the support rods to the second fixed plate;
A rotating member that rotates the rotating disk at a required angle;
A bearing that is pivotably supported by being inserted through the other end side of each support rod at at least three divided positions of the rotation center of the rotation plate;
The support plate is rotated by the rotating member so that the support rods are tilted so that the other end portions are positioned on the reduced diameter side approaching each other and on the enlarged diameter side separating from each other. Work support device with variable support surface.
請求項1において、第1及び第2固定板は、ワークに対して少なくとも二次元方向へ移動可能に設け、ワークを任意個所にて支持可能としたワーク支持装置。 2. The workpiece support device according to claim 1, wherein the first and second fixing plates are provided so as to be movable in at least a two-dimensional direction with respect to the workpiece, and the workpiece can be supported at an arbitrary position. 請求項1において、第1固定板には、少なくとも3分割位置に形成された軸支孔内に自在軸受をそれぞれ設け、各自在軸受に対して各支持ロッドの一方端部を抜け止めした状態で固定し、各支持ロッドを傾動可能にしたワーク支持装置。 The first fixing plate according to claim 1, wherein each of the first fixed plates is provided with a free bearing in a shaft support hole formed in at least three divided positions, and one end of each support rod is prevented from coming off from each free bearing. Work support device that is fixed and each support rod can be tilted. 請求項1において、回動盤には、回動中心の少なくとも3分割位置に形成された軸支孔内に自在軸受をそれぞれ設け、各自在軸受を挿通して他端部が突出する各支持ロッドを軸線方向に対して摺動可能で、かつ傾動可能に支持したワーク支持装置。 2. The support rod according to claim 1, wherein each of the support rods is provided with a free bearing in a shaft support hole formed in at least a three-divided position of the center of rotation, and the other end projects through the free bearing. Is a workpiece support device that is slidable with respect to the axial direction and is tiltable. 請求項1において、各支持ロッドの他端部には、吸着部材をそれぞれ設け、ワークを吸着保持するワーク支持装置。 2. The work support apparatus according to claim 1, wherein suction members are provided at the other end portions of the support rods to hold the work by suction.
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