JP6746119B2 - Transfer device - Google Patents

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JP6746119B2
JP6746119B2 JP2017029736A JP2017029736A JP6746119B2 JP 6746119 B2 JP6746119 B2 JP 6746119B2 JP 2017029736 A JP2017029736 A JP 2017029736A JP 2017029736 A JP2017029736 A JP 2017029736A JP 6746119 B2 JP6746119 B2 JP 6746119B2
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秀岳 橋爪
秀岳 橋爪
浩太 中瀬
浩太 中瀬
前川　直輝
直輝 前川
俊介 濱田
俊介 濱田
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日伸工業株式会社
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Description

本発明は、複数の加工域を通して被加工物を移送する移送装置に関する。 The present invention relates to a transfer device for transferring a work piece through a plurality of processing areas.

被加工物を加工するのにプレス装置が広く用いられ、このプレス装置には、複数の加工域を通して被加工物を移送するための移送装置が設けられている（例えば、特許文献１参照）。このプレス装置においては、複数のプレスユニットが移送方向に等間隔で設けられ、各ブレスユニットには、被加工物にプレス加工を施す加工域が設けられている。 A press device is widely used to process a work piece, and the press device is provided with a transfer device for transferring the work piece through a plurality of processing areas (see, for example, Patent Document 1). In this press device, a plurality of press units are provided at equal intervals in the transfer direction, and each breath unit is provided with a processing area for performing press processing on a workpiece.

また、複数のプレスユニットに関連して移送装置が設けられ、この移送装置は、上流側端のプレスユニットの加工域から下流側端のプレスユニットの加工域まで延びるトランスファー部材を備え、このトランスファー部材には各加工域に対応してフィンガー手段が設けられている。フィンガー手段は一対のフィンガー部材から構成され、被加工物は一対のフィンガー部材間に挟持されて所定の加工域に搬送される。 A transfer device is provided in association with the plurality of press units, and the transfer device includes a transfer member extending from a processing region of the press unit at the upstream end to a processing region of the press unit at the downstream end. Is provided with finger means corresponding to each processing area. The finger means is composed of a pair of finger members, and the workpiece is sandwiched between the pair of finger members and conveyed to a predetermined processing area.

隣接する加工域の間を移送するときには、トランスファー部材が復動された状態でフィンガー手段（一対のフィンガー部材）が上流側の加工域にある被加工物を挟持し、かく挟持した状態でトランスファー部材が移送方向に移動し、このように移動することにより、フィンガー手段に挟持された被加工物が下流側の加工域に移送され、その後フィンガー手段が開放状態となってこの加工域にて所定の加工が施される。 When transferring between the adjacent processing areas, the transfer member is moved back and the finger means (a pair of finger members) clamps the workpiece in the upstream processing area, and the transfer member is clamped in such a state. Moves in the transfer direction, and by moving in this way, the workpiece clamped by the finger means is transferred to the processing area on the downstream side, and then the finger means is in the open state and the predetermined processing is performed in this processing area. Processing is applied.

特開平８−１１８０９４号公報JP-A-8-118094

しかしながら、このような移送装置を用いた場合に、次のような問題がある。従来のプレス装置においては、複数の加工域は、ボルスタに取り付けられた複数の固定下金型とラムに取り付けられた複数の可動上金型との間に存在し、これら加工域の間隔は等しくなるように構成されている。 However, when using such a transfer device, there are the following problems. In a conventional press machine, a plurality of processing areas exist between a plurality of fixed lower molds attached to a bolster and a plurality of movable upper molds attached to a ram, and these processing areas have equal intervals. Is configured to be.

一方、プレス装置を用いた絞り加工などでは、加工初期においては被加工物の大きさは大きいが、絞り加工が進んでいくと被加工物の大きさは小さくなることがある。このように加工においては、加工域間（又は被加工物間）の間隔は、加工初期の被加工物の大きさを基準にして加工域間（又は被加工物間）の間隔を設定し、この加工域間（被加工物間）の間隔を基準にしてトランスファー部材の移送方向の移動量を設定している。それ故に、加工初期の被加工物の大きさが大きく、この被加工物を小さく加工する場合においても、加工域全体を通しての移送距離が長くなり、このような移送距離が長くなるということは、工場の占有面積が大きくなるととともに、用いるプレス装置も大型のものを用いる必要がある。 On the other hand, in drawing using a pressing device, the size of the work piece is large at the beginning of processing, but the size of the work piece may become smaller as the drawing work progresses. In this way, in processing, the interval between the processing regions (or between the workpieces) is set based on the size of the workpiece at the beginning of processing, and the interval between the processing regions (or between the workpieces) is set, The movement amount of the transfer member in the transfer direction is set on the basis of the interval between the processing regions (between workpieces). Therefore, even when the size of the work piece at the beginning of processing is large and the work piece is processed small, the transfer distance through the entire processing area becomes long, and such a transfer distance becomes long. As the factory occupies a larger area, it is necessary to use a large press machine.

本発明の目的は、特定加工域を境にして隣接する加工域間の間隔を変えることができる移送装置を提供することである。 An object of the present invention is to provide a transfer device capable of changing the interval between adjacent processing areas with a specific processing area as a boundary.

本発明の他の目的は、特定加工域を境にして複数の被加工物間の間隔を変えることができる移送装置を提供することである。 Another object of the present invention is to provide a transfer device capable of changing the intervals between a plurality of workpieces with a specific processing area as a boundary.

本第１発明の移送装置は、複数の加工域を通して被加工物を移送し、前記複数の加工域において被加工物に所定の加工を施す加工装置に適用する移送装置において、
被加工物の移送方向に往復動される第１トランスファー部材と、前記第１トランスファー部材の往復動を利用して前記移送方向に往復動される第２トランスファー部材と、前記第１トランスファー部材を往復動させるための移動駆動機構と、被加工物を解除自在に保持するために前記複数の加工域に対応して配設されたフィンガー手段とを備えており、
特定加工域に対応する特定フィンガー手段が前記第１トランスファー部材に取り付けられ、前記特定加工域より下流側に位置する下流側加工域に対応する下流側フィンガー手段が前記第２トランスファー部材に取り付けられ、また前記第１トランスファー部材と前記第２トランスファー部材との間にアイドル間隙が設けられており、
前記移動駆動機構により前記第１トランスファー部材が前記移送方向に往動されると、前記第１トランスファー部材が前記アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により往動され、また前記移動駆動機構により前記第１トランスファー部材が前記移送方向と反対方向に復動されると、前記第１トランスファー部材が前記アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により復動されることを特徴とする。 The transfer device according to the first aspect of the present invention is a transfer device that transfers a work piece through a plurality of processing areas and applies the work piece to a predetermined processing area in the plurality of processing areas.
A first transfer member that reciprocates in the transport direction of the workpiece, a second transfer member that reciprocates in the transport direction by utilizing the reciprocal motion of the first transfer member, and a reciprocal movement of the first transfer member. A moving drive mechanism for moving, and a finger means arranged corresponding to the plurality of processing areas for holding the workpiece releasably,
Specific finger means corresponding to a specific processing area is attached to the first transfer member, downstream finger means corresponding to a downstream processing area located downstream of the specific processing area is attached to the second transfer member, Further, an idle gap is provided between the first transfer member and the second transfer member,
When the first transfer member is moved forward in the transfer direction by the movement drive mechanism, the second transfer member is moved forward by the action of the first transfer member after the first transfer member moves through the idle gap. When the first transfer member is moved back in the direction opposite to the transfer direction by the movement drive mechanism, the second transfer member moves after the first transfer member moves through the idle gap. It is characterized in that it is returned by the action of the member.

また、本第２発明の移送装置は、複数の加工域を通して被加工物を移送し、前記複数の加工域において一対の被加工物に所定の加工を施す加工装置に適用する移送装置において、
被加工物の移送方向に往復動される第１トランスファー部材と、前記第１トランスファー部材の往復動を利用して前記移送方向に往復動される第２トランスファー部材と、前記第１トランスファー部材を往復動させるための移動駆動機構と、被加工物を解除自在に保持するために前記複数の加工域に対応して配設された一対のフィンガー手段とを備えており、 特定加工域に対応する一対の特定フィンガー手段のうち上流側に位置する特定上流側フィンガー手段が前記第１トランスファー部材に取り付けられ、前記一対の特定フィンガー手段のうち下流側に位置する特定下流側フィンガー手段及び前記特定加工域より下流側に位置する下流側加工域に対応する一対の下流側フィンガー手段が前記第２トランスファー部材に取り付けられ、また前記第１トランスファー部材と前記第２トランスファー部材との間にアイドル間隙が設けられており、
前記移動駆動機構により前記第１トランスファー部材が前記移送方向に往動されると、前記第１トランスファー部材が前記アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により往動され、また前記移動駆動機構により前記第１トランスファー部材が前記移送方向と反対方向に復動されると、前記第１トランスファー部材が前記アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により復動されることを特徴とする。 The transfer device according to the second aspect of the invention is a transfer device applied to a processing device that transfers a workpiece through a plurality of processing areas and performs a predetermined processing on a pair of workpieces in the plurality of processing areas,
A first transfer member that reciprocates in the transport direction of the workpiece, a second transfer member that reciprocates in the transport direction by utilizing the reciprocal motion of the first transfer member, and a reciprocal movement of the first transfer member. A moving drive mechanism for moving and a pair of finger means arranged corresponding to the plurality of processing areas for holding the workpiece releasably are provided, and a pair corresponding to a specific processing area. Of the specific finger means, upstream specific upstream finger means is attached to the first transfer member, and downstream of the specific downstream finger means and the specific processing area of the pair of specific finger means. A pair of downstream finger means corresponding to a downstream processing area located on the downstream side is attached to the second transfer member, and an idle gap is provided between the first transfer member and the second transfer member. Cage,
When the first transfer member is moved forward in the transfer direction by the movement drive mechanism, the second transfer member is moved forward by the action of the first transfer member after the first transfer member moves through the idle gap. When the first transfer member is moved back in the direction opposite to the transfer direction by the movement drive mechanism, the second transfer member moves after the first transfer member moves through the idle gap. It is characterized in that it is returned by the action of the member.

更に、本第３発明の移送装置は、複数の加工域を通して被加工物を移送し、前記複数の加工域において３つの被加工物に所定の加工を同時に施す加工装置に適用する移送装置において、
被加工物の移送方向に往復動される第１トランスファー部材と、前記第１トランスファー部材の往復動を利用して前記移送方向に往復動される第２及び第３トランスファー部材と、前記第１トランスファー部材を往復動させるための移動駆動機構と、被加工物を解除自在に保持するために前記複数の加工域に対応して配設された３つのフィンガー手段とを備えており、
特定加工域に対応する３つの特定フィンガー手段のうち上流側に位置する特定上流側フィンガー手段が前記第１トランスファー部材に取り付けられ、前記３つの特定フィンガー手段のうち下流側に位置する特定下流側フィンガー手段及び前記特定加工域より下流側に位置する下流側加工域に対応する３つの下流側フィンガー手段が前記第３トランスファー部材に取り付けられ、また前記３つの特定フィンガー手段のうち中間に位置する特定中間フィンガー手段が前記第２トランスファー部材に取り付けられ、前記第１トランスファー部材と前記第２トランスファー部材との間に第１アイドル間隙が設けられ、前記第１トランスファー部材と前記第３トランスファー部材との間に第２アイドル間隙が設けられており、
前記移動駆動機構により前記第１トランスファー部材が前記移送方向に往動されると、前記第１トランスファー部材が前記第１アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により往動され、更に前記第１アイドル間隙を越えて前記第２アイドル間隙を移動した後に第３トランスファー部材が前記第１トランスファー部材の作用により往動され、また前記移動駆動機構により前記第１トランスファー部材が前記移送方向と反対方向に復動されると、前記第１トランスファー部材が前記第１アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により復動され、更に前記第１アイドル間隙を越えて前記第２アイドル間隙を移動した後に第３トランスファー部材が前記第１トランスファー部材の作用により復動されることを特徴とする。 Furthermore, the transfer device of the third aspect of the present invention is a transfer device applied to a processing device that transfers a workpiece through a plurality of processing areas and simultaneously performs predetermined processing on three workpieces in the plurality of processing areas,
A first transfer member that reciprocates in the transfer direction of the workpiece; second and third transfer members that reciprocate in the transfer direction by using the reciprocal motion of the first transfer member; and the first transfer A moving drive mechanism for reciprocating the member, and three finger means arranged corresponding to the plurality of processing areas for holding the workpiece releasably,
Of the three specific finger means corresponding to the specific processing area, a specific upstream finger means located on the upstream side is attached to the first transfer member, and a specific downstream finger located on the downstream side of the three specific finger means. Means and three downstream finger means corresponding to a downstream processing area located downstream of the specific processing area are attached to the third transfer member, and a specific intermediate position intermediate between the three specific finger means. Finger means is attached to the second transfer member, a first idle gap is provided between the first transfer member and the second transfer member, and a first idle gap is provided between the first transfer member and the third transfer member. A second idle gap is provided,
When the first transfer member is moved forward in the transfer direction by the movement drive mechanism, the second transfer member moves by the action of the first transfer member after the first transfer member moves through the first idle gap. The third transfer member is moved back by the action of the first transfer member after being moved forward and further moving the second idle gap beyond the first idle gap, and the first transfer member is moved by the movement drive mechanism. Is moved in the direction opposite to the transfer direction, the second transfer member is moved back by the action of the first transfer member after the first transfer member has moved through the first idle gap, and The third transfer member is moved back by the action of the first transfer member after moving through the second idle gap beyond the first idle gap.

本第１発明の移送装置によれば、被加工物の移送方向に往復動される第１トランスファー部材と、第１トランスファー部材の往復動を利用して移送方向に往復動される第２トランスファー部材と、第１トランスファー部材を往復動させるための移動駆動機構と、被加工物を解除自在に保持するために前記複数の加工域に対応して配設されたフィンガー手段とを備えている。そして、特定加工域に対応する特定フィンガー手段が第１トランスファー部材に取り付けられ、この特定加工域より下流側の下流側加工域に対応する下流側フィンガー手段が第２トランスファー部材に取り付けられ、また第１トランスファー部材と第２トランスファー部材との間にアイドル間隙が設けられているので、特定フィンガー手段に保持された被加工物の移送距離（即ち、加工域間の移送距離）と下流側フィンガー手段に保持された被加工物の移送距離が変わり、特定加工域とその下流側加工域との間を境にしてその下流側における加工域間の移送距離（即ち、移送ピッチ）を小さくすることができ、その結果、加工域全体を通しての移送距離を短くし、加工装置の小型化を図ることができる。また、１つの移動駆動機構により移送距離を変えて被加工物を移送することができる。尚、各加工域において被加工物を１つ加工する場合には、１つ送りの移送装置として適用することができ、各加工域において被加工物を同時に２つ加工する場合には、２つ送りの移送装置として適用することができ、また各加工域において被加工物を同時に３つ加工する場合には、３つ送りの移送装置として適用することができる。 According to the transfer device of the first aspect of the present invention, the first transfer member reciprocating in the transfer direction of the workpiece and the second transfer member reciprocating in the transfer direction by utilizing the reciprocating motion of the first transfer member. A moving drive mechanism for reciprocating the first transfer member, and finger means arranged corresponding to the plurality of processing areas for holding the workpiece releasably. Then, the specific finger means corresponding to the specific processing area is attached to the first transfer member, the downstream finger means corresponding to the downstream processing area downstream of the specific processing area is attached to the second transfer member, and Since the idle gap is provided between the first transfer member and the second transfer member, the transfer distance (that is, the transfer distance between the processing areas) of the workpiece held by the specific finger means and the downstream finger means are increased. The transfer distance of the held workpiece changes, and the transfer distance (that is, transfer pitch) between the processing areas on the downstream side of the specific processing area and the downstream processing area can be reduced. As a result, the transfer distance through the entire processing area can be shortened and the processing apparatus can be downsized. Further, the work can be transferred by changing the transfer distance by one moving drive mechanism. In addition, when processing one workpiece in each processing area, it can be applied as a single-feed transfer device, and when processing two workpieces simultaneously in each processing area, two workpieces can be processed. The present invention can be applied as a feed transfer device, and can be applied as a three-feed transfer device when processing three workpieces simultaneously in each processing area.

また、本第２発明の移送装置によれば、被加工物の移送方向に往復動される第１トランスファー部材と、第１トランスファー部材の往復動を利用して移送方向に往復動される第２トランスファー部材と、第１トランスファー部材を往復動させるための移動駆動機構と、被加工物を解除自在に保持するために前記複数の加工域に対応して配設されたフィンガー手段とを備えている。そして、特定加工域に対応する一対の特定フィンガー手段のうち上流側の特定上流側フィンガー手段が第１トランスファー部材に取り付けられ、一対の特定フィンガー手段のうち下流側の特定下流側フィンガー手段及びこの特定加工域より下流側の下流側加工域に対応する下流側フィンガー手段が第２トランスファー部材に取り付けられ、また第１トランスファー部材と第２トランスファー部材との間にアイドル間隙が設けられているので、特定上流側フィンガー手段に保持された被加工物の移送距離（即ち、加工域間の移送距離）と特定下流側フィンガー手段及び下流側フィンガー手段に保持された被加工物の移送距離（加工域間の移送距離）が変わり、特定加工域の特定上流側フィンガー手段と特定下流側フィンガー手段との間を境にして、加工域における一対の被加工物間の間隔を小さくすることができ、その結果、加工域全体を通しての移送距離を短くし、加工装置の小型化を図ることができる。また、１つの移動駆動機構により移送距離を変えて被加工物を移送することができる。 Further, according to the transfer device of the second aspect of the present invention, the first transfer member that reciprocates in the transfer direction of the workpiece and the second transfer member that reciprocates in the transfer direction by utilizing the reciprocal motion of the first transfer member. A transfer member, a movement drive mechanism for reciprocating the first transfer member, and finger means arranged corresponding to the plurality of processing areas for holding the workpiece releasably are provided. .. The upstream specific upstream finger means of the pair of specific finger means corresponding to the specific processing area is attached to the first transfer member, and the downstream specific downstream finger means of the pair of specific finger means and the specific The downstream finger means corresponding to the downstream processing area on the downstream side of the processing area is attached to the second transfer member, and the idle gap is provided between the first transfer member and the second transfer member. The transfer distance of the workpiece held by the upstream finger means (that is, the transfer distance between the processing areas) and the transfer distance of the workpiece held by the specific downstream finger means and the downstream finger means (between the processing areas). The transfer distance) is changed, and the interval between the pair of workpieces in the processing area can be reduced with the boundary between the specific upstream finger means and the specific downstream finger means in the specific processing area as a result. The transfer distance through the entire processing area can be shortened, and the processing apparatus can be downsized. Further, the work can be transferred by changing the transfer distance by one moving drive mechanism.

更に、本第３発明の移送装置によれば、被加工物の移送方向に往復動される第１トランスファー部材と、この第１トランスファー部材の往復動を利用して移送方向に往復動される第２及び第３トランスファー部材と、第１トランスファー部材を往復動させるための移動駆動機構とを備え、複数の加工域に対応して３つのフィンガー手段が設けられている。そして、特定加工域に対応する３つの特定フィンガー手段のうち上流側に位置する特定上流側フィンガー手段が第１トランスファー部材に取り付けられ、３つの特定フィンガー手段のうち下流側に位置する特定下流側フィンガー手段及びこの特定加工域より下流側の下流側加工域に対応する３つの下流側フィンガー手段が第３トランスファー部材に取り付けられ、また３つの特定フィンガー手段のうち中間に位置する特定中間フィンガー手段が第２トランスファー部材に取り付けられ、第１トランスファー部材と第２トランスファー部材との間に第１アイドル間隙が設けられ、第１トランスファー部材と第３トランスファー部材との間に第２アイドル間隙が設けられているので、この特定加工域において、特定上流側フィンガー手段に保持された被加工物の移送距離と、特定中間フィンガー手段に保持された被加工物の移送距離と、特定下流側フィンガー手段及び下流側フィンガー手段に保持された被加工物の移送距離とが変わり、この特定加工域を境に三つの被加工物の間隔を小さくすることができ、その結果、このような形態の移送装置においても加工域全体を通しての移送距離を短くし、また１つの移動駆動機構により移送距離を変えて被加工物を移送することができる。 Further, according to the transfer device of the third aspect of the present invention, the first transfer member that reciprocates in the transfer direction of the workpiece and the reciprocating motion of the first transfer member that reciprocates in the transfer direction. The second and third transfer members and the movement drive mechanism for reciprocating the first transfer member are provided, and three finger means are provided corresponding to a plurality of processing areas. Then, of the three specific finger means corresponding to the specific processing area, the specific upstream finger means located on the upstream side is attached to the first transfer member, and the specific downstream finger located on the downstream side of the three specific finger means. The means and three downstream finger means corresponding to the downstream processing area downstream of the specific processing area are attached to the third transfer member, and the specific intermediate finger means located in the middle of the three specific finger means is the first. It is attached to a second transfer member, a first idle gap is provided between the first transfer member and the second transfer member, and a second idle gap is provided between the first transfer member and the third transfer member. Therefore, in this specific processing area, the transfer distance of the workpiece held by the specific upstream finger means, the transfer distance of the workpiece held by the specific intermediate finger means, the specific downstream finger means and the downstream finger. The transfer distance of the workpiece held by the means changes, and the interval between the three workpieces can be reduced with this specific processing area as a boundary, and as a result, even in the transfer device having such a configuration, the processing area is reduced. It is possible to transfer the workpiece by shortening the entire transfer distance and changing the transfer distance by one moving drive mechanism.

本発明に従う移送装置を適用する加工装置の一例としてのプレス装置の一部を簡略的に示す簡略図。FIG. 3 is a simplified diagram schematically showing a part of a press device as an example of a processing device to which the transfer device according to the present invention is applied. 図２（ａ）は、図１のプレス装置に適用される第１の実施形態の移送装置の一部を示す平面図、図２（ｂ）は、図２（ａ）におけるＩＩ−ＩＩ線による断面図。2A is a plan view showing a part of the transfer device according to the first embodiment applied to the pressing device of FIG. 1, and FIG. 2B is a line II-II in FIG. 2A. Sectional view. 図２の移送装置におけるフィンガー手段の一部を拡大して示す拡大断面図。The expanded sectional view which expands and shows a part of finger means in the transfer apparatus of FIG. 図４（ａ）〜（ｆ）は、図２の移送装置による被加工物の移送を説明するための説明図。4A to 4F are explanatory views for explaining the transfer of the work piece by the transfer device of FIG. 2. 図５（ａ）は、図２の移送装置において、第１トランスファー部材を第２トランスファー部材に対して少し往動させた状態を示す平面図、図５（ｂ）は、図５（ａ）におけるＶ−Ｖ線による断面図。5A is a plan view showing a state in which the first transfer member is slightly moved forward with respect to the second transfer member in the transfer device of FIG. 2, and FIG. 5B is a plan view of FIG. 5A. Sectional drawing by the VV line. 図６（ａ）は、図２の移送装置において、第１トランスファー部材の作用により第２トランスファー部材を往動させた状態を示す平面図、図６（ｂ）は、図６（ａ）におけるＶＩ−ＶＩ線による断面図。6A is a plan view showing a state in which the second transfer member is moved forward by the action of the first transfer member in the transfer device of FIG. 2, and FIG. 6B is a VI in FIG. 6A. -VI sectional drawing. 図７（ａ）は、図２の移送装置において、第１トランスファー部材を第２トランスファー部材に対して少し復動させた状態を示す平面図、図７（ｂ）は、図７（ａ）におけるＶＩＩ−ＶＩＩ線による断面図。7A is a plan view showing a state in which the first transfer member is slightly returned to the second transfer member in the transfer device of FIG. 2, and FIG. 7B is a plan view of FIG. 7A. Sectional drawing by the VII-VII line. 図８（ａ）は、第２の実施形態の移送装置を、第１及び第２トランスファー部材を復動させた状態で示す平面図、図８（ｂ）は、図８（ａ）におけるＶＩＩＩ−ＶＩＩＩ線による断面図。FIG. 8A is a plan view showing the transfer device of the second embodiment in a state where the first and second transfer members are returned, and FIG. 8B is a VIII- line in FIG. 8A. Sectional drawing by the VIII line. 図９（ａ）は、図８の移送装置を、第１及び第２トランスファー部材を往動させた状態で示す平面図、図９（ｂ）は、図９（ａ）におけるＩＸ−ＩＸ線による断面図。9A is a plan view showing the transfer device of FIG. 8 in a state where the first and second transfer members are moved forward, and FIG. 9B is taken along line IX-IX in FIG. 9A. Sectional view. 図１０（ａ）は、第３の実施形態の移送装置を、第１及び第２トランスファー部材を復動させた状態で示す平面図、図１０（ｂ）は、図１０（ａ）におけるＸ−Ｘ線による断面図。10A is a plan view showing the transfer device according to the third embodiment in a state where the first and second transfer members are returned, and FIG. 10B is an X- line in FIG. 10A. Sectional drawing by X-ray. 図１１（ａ）は、図１０の移送装置を、第１及び第２トランスファー部材を往動させた状態で示す平面図、図１１（ｂ）は、図１１（ａ）におけるＸＩ−ＸＩ線による断面図。11A is a plan view showing the transfer device of FIG. 10 in a state where the first and second transfer members are moved forward, and FIG. 11B is a line XI-XI in FIG. 11A. Sectional view. 図１２（ａ）は、第４の実施形態の移送装置を示す平面図、図１２（ｂ）は、図１２（ｂ）におけるＸＩＩ−ＸＩＩ線による断面図。12A is a plan view showing the transfer device according to the fourth embodiment, and FIG. 12B is a sectional view taken along line XII-XII in FIG. 12B. 図１３（ａ）は、第５の実施形態の移送装置を示す平面図、図１３（ｂ）は、図１３（ａ）におけるＸＩＩＩ−ＸＩＩＩ線による断面図。13A is a plan view showing the transfer device according to the fifth embodiment, and FIG. 13B is a sectional view taken along line XIII-XIII in FIG. 13A. 図１４（ａ）は、図１３の移送装置において、第１トランスファー部材の作用により第２トランスファー部材が往動されるときの状態を示す平面図、図１４（ｂ）は、図１４（ａ）におけるＸＩＶ−ＸＩＶ線による断面図。FIG. 14A is a plan view showing a state when the second transfer member is moved forward by the action of the first transfer member in the transfer device of FIG. 13, and FIG. A sectional view taken along line XIV-XIV in FIG. 図１５（ａ）は、図１３の移送装置において、第１トランスファー部材の作用により第２及び第３トランスファー部材が往動されたときの状態を示す平面図、図１５（ｂ）は、図１５（ａ）におけるＸＶ−ＸＶ線による断面図。15A is a plan view showing a state in which the second and third transfer members are moved forward by the action of the first transfer member in the transfer device of FIG. 13, and FIG. Sectional drawing by the XV-XV line in (a).

以下、添付図面を参照して、本発明に従う移送装置の各種実施形態について説明する。尚、以下の実施形態においては、本発明に従う移送装置を加工装置の一例としてのプレス装置に適用して説明するが、その他の加工装置にも広く適用することができる。 Various embodiments of a transfer device according to the present invention will be described below with reference to the accompanying drawings. In the following embodiments, the transfer device according to the present invention is described as being applied to a pressing device as an example of a processing device, but it can be widely applied to other processing devices.

〔第１の実施形態〕
図１〜図８を参照して、本発明に従う移送装置の第１の実施形態について説明する。まず、図１を参照して、移送装置が適用される加工装置としてのプレス装置について概説すると、図示のプレス装置は、プレス本体（図示せず）に取り付けられるボルスタ２を備え、このボルスタ２には、第１〜第４下金型取付部材４，６，８，１０が間隔をおいて取り付けられ、第１〜第４下金型取付部材４，６，８，１０には第１〜第４下固定金型１２，１４，１６，１８が取り付けられている。また、このプレス本体２にはスライド支持機構（図示せず）を介してラム２０が上下方向に移動自在に支持され、このラム２０は、駆動モータなどから構成される駆動源（図示せず）により往復動される。このラム２０には第１〜第４上金型取付部材２２，２４，２６，２８が取り付けられ、第１〜第４上金型取付部材２２，２４，２６，２８には第１〜第４上可動金型３０，３２，３４，３６（例えば、第１〜第４上パンチなどから構成される）が取り付けられている。 [First Embodiment]
A first embodiment of a transfer device according to the present invention will be described with reference to FIGS. First, with reference to FIG. 1, the press device as a processing device to which a transfer device is applied will be briefly described. The illustrated press device includes a bolster 2 attached to a press body (not shown). The first to fourth lower mold mounting members 4, 6, 8 and 10 are mounted at intervals, and the first to fourth lower mold mounting members 4, 6, 8 and 10 are mounted to the first to fourth 4 Lower fixed molds 12, 14, 16, 18 are attached. A ram 20 is movably supported in the vertical direction on the press body 2 via a slide support mechanism (not shown). The ram 20 is a drive source (not shown) including a drive motor and the like. It is reciprocated by. First to fourth upper die mounting members 22, 24, 26, 28 are attached to the ram 20, and first to fourth upper die mounting members 22, 24, 26, 28 are attached to the ram 20. The upper movable molds 30, 32, 34, 36 (for example, composed of first to fourth upper punches) are attached.

このプレス装置においては、ボルスタ２側の第１〜第４下固定金型１２〜１８とラム２０側の第１〜第４上可動金型３０〜３６との間に、被加工物Ｐを加工するための第１〜第４加工域Ｓ１，Ｓ２，Ｓ３，Ｓ４が設けられ、第１〜第４加工域Ｓ１〜Ｓ４において、第１〜第４下固定金型１２〜１８及び第１〜第４上可動金型３０〜３８の作用によって、被加工物Ｐ（図２参照）に所定のプレス加工が施される。 In this press machine, the workpiece P is machined between the first to fourth lower fixed molds 12 to 18 on the bolster 2 side and the first to fourth upper movable molds 30 to 36 on the ram 20 side. 1st to 4th processing areas S1, S2, S3, S4 are provided, and in the 1st to 4th processing areas S1 to S4, first to fourth lower fixed molds 12 to 18 and first to first By the action of the upper movable molds 30 to 38, the work P (see FIG. 2) is subjected to predetermined press working.

この実施形態では、第１〜第４加工域Ｓ１〜Ｓ４において、２つの被加工物Ｐに対して同時に同じプレス加工が施されるように構成されている。即ち、第１〜第４下固定金型１２〜１８は、矢印４０で示す移送方向に間隔をおいて配設された上流側下金型Ｑ１及び下流側下金型Ｑ２から構成され、また第１〜第４上可動金型３０〜３８は、第１〜第４下固定金型１２〜１８の上流側下金型Ｑ１及び下流側下金型Ｑ２に対応して配設された上流側上金型Ｒ１（例えば、上流側パンチ）及び下流側上金型Ｒ２（下流側パンチ）から構成され、第１〜第４加工域Ｓ１〜Ｓ４において、第１〜第４下固定金型１２〜１８の上流側下金型Ｑ１及び下流側下金型Ｑ２と第１〜第４上可動金型３０〜３８の上流側上金型Ｒ１及び下流側上金型Ｒ１によって、２つの被加工物Ｐに同時にプレス加工（例えば、プレスによる成形加工、絞り加工、打抜き加工など）が施される。 In this embodiment, the same press working is simultaneously applied to two workpieces P in the first to fourth working areas S1 to S4. That is, the first to fourth lower fixed molds 12 to 18 are composed of an upstream lower mold Q1 and a downstream lower mold Q2 which are arranged at intervals in the transfer direction indicated by an arrow 40, and The first to fourth upper movable molds 30 to 38 are arranged on the upstream side of the first to fourth lower fixed molds 12 to 18 corresponding to the upstream lower mold Q1 and the downstream lower mold Q2. It is composed of a mold R1 (for example, an upstream punch) and a downstream upper mold R2 (downstream punch), and in the first to fourth processing areas S1 to S4, the first to fourth lower fixed molds 12 to 18 Two workpieces P are formed by the upstream lower mold Q1 and the downstream lower mold Q2, and the upstream upper mold R1 and the downstream upper mold R1 of the first to fourth upper movable molds 30 to 38. At the same time, press working (for example, press forming, drawing, punching, etc.) is performed.

このようなプレス装置には、図２に示す通りの移送装置５２が設けられ、この移送装置５２によって一対の被加工物Ｐが第１〜第４加工域Ｓ１〜Ｓ４を通して移送される。図示の移送装置５２は、第１トランスファー部材５４と、この第１トランスファー部材５４の移動によって移動される第２トランスファー部材５６と、第１トランスファー部材５２を移動させるための移動駆動機構５８とを備えている。第１及び第２トランスファー部材５４，５６は、矢印４０で示す移送方向に延び、図示していないが、この移送方向に往復移動自在に支持されている。移動駆動機構５８は、駆動カム６０、往動用カムフォロア６２及び復動用カムフォロア６４を備えている。 A transfer device 52 as shown in FIG. 2 is provided in such a pressing device, and the transfer device 52 transfers the pair of workpieces P through the first to fourth processing areas S1 to S4. The illustrated transfer device 52 includes a first transfer member 54, a second transfer member 56 that is moved by the movement of the first transfer member 54, and a movement drive mechanism 58 that moves the first transfer member 52. ing. Although not shown, the first and second transfer members 54 and 56 extend in the transfer direction indicated by the arrow 40 and are movably supported in the transfer direction. The movement drive mechanism 58 includes a drive cam 60, a forward cam follower 62, and a backward cam follower 64.

駆動カム６０は回転軸６６に固定され、この回転軸６６が第１トランスファー部材５４に回転自在に支持されている。また、往動用カムフォロア６２は、駆動カム６０のカム作用面に接するようにその移送方向下流側に配置され、第１支持ピン６８を介して回転自在に支持されている。また、復動用カムフォロア６４は、駆動カム６０のカム作用面にその移送方向上流側に配置去れ、第２支持ピン７０を中心として回転自在に支持されている。 The drive cam 60 is fixed to a rotary shaft 66, and the rotary shaft 66 is rotatably supported by the first transfer member 54. Further, the forward cam follower 62 is arranged on the downstream side in the transfer direction so as to contact the cam acting surface of the drive cam 60, and is rotatably supported via the first support pin 68. The return cam follower 64 is disposed on the cam action surface of the drive cam 60 on the upstream side in the transfer direction, and is rotatably supported about the second support pin 70.

この駆動カム６０に関連して、電動モータなどから構成される駆動源（図示せず）が配設され、この駆動源が回転軸６６に駆動連結されている。駆動源としては、プレス装置のラム２０を上下動させるための駆動源（図示せず）を利用し、この駆動源からの駆動力をこの回転軸６６に駆動伝達するようにしてもよい。このように駆動連結されているので、駆動カム６０が矢印７１で示す所定方向に回動されると、第１トランスファー部材５４が後述するように往復動される。 A drive source (not shown) composed of an electric motor or the like is provided in association with the drive cam 60, and the drive source is drivingly connected to the rotary shaft 66. A drive source (not shown) for vertically moving the ram 20 of the press machine may be used as the drive source, and the drive force from this drive source may be transmitted to the rotary shaft 66. Since the drive cams 60 are connected in this manner, when the drive cam 60 is rotated in the predetermined direction indicated by the arrow 71, the first transfer member 54 is reciprocated as described later.

第１トランスファー部材５４の一端部側には、移送方向に延びる一対の支持突部７２，７４が設けられている。また、この第１トランスファー部材５４の下面の所定部位（一対の支持突部７２，７４の配設部位より長手方向内側の部位）に駆動伝達用凹部７６が設けられている。この駆動伝達用凹部７６の上流側内面７８（即ち、図２（ｂ）において左側内面）が、第２トランスファー部材５６を後述するように往動させるための往動作用面として機能し、その下流側内面８０（即ち、図２（ｂ）において右側内面）が、第２トランスファー部材５６を後述するように復動させるための復動作用面として機能する。 A pair of support protrusions 72, 74 extending in the transfer direction is provided on one end side of the first transfer member 54. Further, a drive transmitting recess 76 is provided at a predetermined portion (a portion on the inner side in the longitudinal direction of the portion where the pair of supporting protrusions 72 and 74 is provided) on the lower surface of the first transfer member 54. The upstream inner surface 78 (that is, the inner surface on the left side in FIG. 2B) of the drive transmitting recess 76 functions as a forward movement surface for moving the second transfer member 56 forward as described later, and the downstream thereof. The side inner surface 80 (that is, the right inner surface in FIG. 2B) functions as a return operation surface for returning the second transfer member 56 as described later.

また、第２トランスファー部材５６の一端部（図２（ａ）において左端部）には矩形状の開口８２が設けられ、この開口８２から移送方向下流側に向けて挟持空間８４が延び、この挟持空間８４の両側に第２トランスファー部材５６の一対の支持本体部８６，８８が対向して延びている。この形態では、第１トランスファー部材５４の一端部側は、この第２トランスファー部材５６の一端接続部９０を跨いで第２トランスファー部材５６の開口８２内に位置し、その一対の支持突部７２，７４は、この開口８２内で移送方向に往復動される。 A rectangular opening 82 is provided at one end (the left end in FIG. 2A) of the second transfer member 56, and a holding space 84 extends from the opening 82 toward the downstream side in the transfer direction. A pair of support body portions 86, 88 of the second transfer member 56 extend opposite to each other on both sides of the space 84. In this embodiment, the one end portion side of the first transfer member 54 is located in the opening 82 of the second transfer member 56 across the one end connection portion 90 of the second transfer member 56, and the pair of support protrusions 72, 74 is reciprocated in the transfer direction in the opening 82.

また、この構成に関連して、第１トランスファー部材５６の駆動伝達用凹部７６内に第２トランスファー部材５６の一端接続部９０が位置し、この駆動伝達用凹部７６の移送方向の幅Ｗ１は、第２トランスファー部材５６の一端接続部９０の移送方向の幅Ｗ２よりも大きく、この駆動伝達用凹部７６（換言すると、第１トランスファー部材５６）と一端接続部９０（換言すると、第２トランスファー部材５６）との間にアイドル間隙Ｈが設けられており、このようにアイドル間隙Ｈを設けることにより、第１加工域Ｓ１における一対の被加工物Ｐ間の間隔と、第２〜第４加工域Ｓ２〜Ｓ４における一対の被加工物Ｐ間の間隔を変えることができる。 Further, in relation to this configuration, the one-end connection portion 90 of the second transfer member 56 is located in the drive transmission recess 76 of the first transfer member 56, and the width W1 of the drive transmission recess 76 in the transfer direction is: The width W2 in the transfer direction of the one end connecting portion 90 of the second transfer member 56 is greater than the width W2 of the drive transmitting recess 76 (in other words, the first transfer member 56) and the one end connecting portion 90 (in other words, the second transfer member 56). ) And an idle gap H is provided between the pair of workpieces P and the second to fourth machining regions S2. The interval between the pair of workpieces P in S4 can be changed.

このように構成されているので、第１トランスファー部材５４が第２トランスファー部材５６に対して矢印４０で示す移送方向に移動すると、その駆動伝達用凹部７６の上流側内面７８（往動作用面）が第２トランスファー部材５６の一端接続部９０に当接してこれに作用する（図６参照）。また、この第１トランスファー部材５４が第２トランスファー部材５６に対して矢印９２で示す方向（移送方向に対して反対方向）に移動すると、その駆動伝達用凹部７６の下流側内面８０（復動作用面）が第２トランスファー部材５６の一端接続部９０に作用する（図２参照）。 With such a configuration, when the first transfer member 54 moves in the transfer direction indicated by the arrow 40 with respect to the second transfer member 56, the upstream inner surface 78 (forward movement surface) of the drive transmission recess 76 is formed. Contacts the one-end connecting portion 90 of the second transfer member 56 and acts on it (see FIG. 6). When the first transfer member 54 moves with respect to the second transfer member 56 in the direction indicated by the arrow 92 (opposite direction to the transfer direction), the inner surface 80 of the downstream side of the drive transmission recess 76 (for backward movement). The surface) acts on the one end connection portion 90 of the second transfer member 56 (see FIG. 2 ).

この実施形態では、第１〜第４加工域Ｓ１〜Ｓ４において２つの被加工物Ｐに同時に加工が施されるので、第１〜第４加工域Ｓ１〜Ｓ４に対応して、第１及び第２トランスファー部材５４，５６に一対の第１〜第４フィンガー手段９４、９６、９８（図２、図５〜図７において第４フィンガー手段については図示していない）が次のように配設されている。 In this embodiment, since two workpieces P are simultaneously processed in the first to fourth processing areas S1 to S4, the first and fourth processing areas S1 to S4 are correspondingly processed. A pair of first to fourth finger means 94, 96 and 98 (the fourth finger means is not shown in FIGS. 2 and 5 to 7) are arranged on the two transfer members 54 and 56 as follows. ing.

第１加工域Ｓ１（特定加工域）においては、被加工物Ｐの大きさが大きく、このことに関連して、一対の第１フィンガー手段９４（一対の特定フィンガー手段）の間隔が大きく設定され、この第１加工域Ｓ１（特定加工域）より下流側の第２〜第４加工域Ｓ２〜Ｓ４における一対の第２〜第４フィンガー手段９６，９８の間隔は、第１加工域Ｓ１における第１フィンガー手段９４の間隔より小さく設定されている。 In the first processing area S1 (specific processing area), the size of the workpiece P is large, and in this connection, the interval between the pair of first finger means 94 (pair of specific finger means) is set to be large. The interval between the pair of second to fourth finger means 96, 98 in the second to fourth machining areas S2 to S4 on the downstream side of the first machining area S1 (specific machining area) is equal to that in the first machining area S1. It is set smaller than the interval between the one-finger means 94.

図２とともに図３（図３においては、一対のフィンガー部材の一方のみを示す）を参照して更に説明すると、第１加工域Ｓ１（特定加工域）に対応する一対の第１フィンガー手段９４（一対の特定フィンガー手段）については、それらのうち上流側に位置する第１上流側フィンガー手段９４Ａ（特定上流側フィンガー手段）が第１トランスファー部材５４の一対の支持突部７２，７４に装着され、それらのうち下流側に位置する第１下流側フィンガー手段９４Ｂ（特定下流側フィンガー手段９４Ｂ）が第２トランスファー５６の一対の支持本体部８６，８８に装着されている。 2 will be further described with reference to FIG. 3 and FIG. 3 (in FIG. 3, only one of the pair of finger members is shown). The pair of first finger means 94 (corresponding to the first processing area S1 (specific processing area)) Of the pair of specific finger means), the first upstream finger means 94A (specific upstream finger means) located on the upstream side is attached to the pair of support projections 72, 74 of the first transfer member 54. Of these, the first downstream finger means 94B (specific downstream finger means 94B) located on the downstream side is attached to the pair of support body portions 86 and 88 of the second transfer 56.

また、第２〜第４加工域Ｓ２〜Ｓ４に対応する第２〜第４フィンガー手段９６（下流側フィンガー手段）については、第１フィンガー手段９４の第１下流側フィンガー手段９４Ｂに続いて、第２フィンガー手段９６（第２加工域Ｓ２に対応して上流側に位置する第２上流側フィンガー手段９６Ａ及び下流側に位置する第２下流側フィンガー手段９６Ｂ）、第３フィンガー手段（第３加工域Ｓ３に対応して上流側に位置する第３上流側フィンガー手段９８Ａ及び下流側に位置する第３下流側フィンガー手段９８Ｂ）及び第４フィンガー手段（図示せず）（第４加工域Ｓ４に対応して上流側に位置する第４上流側フィンガー手段及び下流側に位置する第４下流側フィンガー手段）が移送方向に向けてこの順で第２トランスファー部材５６の一対の支持本体部８６，８８に装着されている。 Further, regarding the second to fourth finger means 96 (downstream side finger means) corresponding to the second to fourth processing areas S2 to S4, after the first downstream side finger means 94B of the first finger means 94, Two-finger means 96 (second upstream-side finger means 96A located on the upstream side and second downstream-side finger means 96B located on the downstream side corresponding to the second processing area S2), third finger means (third processing area) The third upstream finger means 98A located on the upstream side corresponding to S3 and the third downstream finger means 98B located on the downstream side and the fourth finger means (not shown) (corresponding to the fourth processing area S4) And a fourth upstream finger unit located on the upstream side and a fourth downstream finger unit located on the downstream side) are attached to the pair of support body portions 86 and 88 of the second transfer member 56 in this order in the transfer direction. Has been done.

第１〜第４フィンガー手段９４〜９８の第１〜第４上流側フィンガー手段９４Ａ〜９８Ａ及び第１〜第４下流側フィンガー手段９４Ｂ〜９８Ｂは、実質上同一の構成であり、次に、第２フィンガー手段９の第２上流側フィンガー手段９Ａ（第２下流側フィンガー手段９６Ｂ）について説明する。図示の第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）は、一対のフィンガー部材１０２，１０４を備え、一対のフィンガー部材１０２，１０４が相互に対向して配設されている。フィンガー部材１０２，１０４は、被加工物Ｐを挟持するための挟持部１０６と、この挟持部１０６から延びる軸部１０８とを有し、一方のフィンガー部材１０２は、その軸部１０８が第２トランスファー部材５６の一方の支持本体部８６に設けられた取付孔１１０に挿入されて取り付けられ、他方のフィンガー部材１０４は、その軸部１０８が他方の支持本体部８８の取付孔１１２に挿入されて取り付けられている。支持本体部８６，８８の取付孔１１０，１１２内にはコイルばね１１４，１１６が収容され、コイルばね１１４、１１６は、フィンガー部材１０２，１０４の軸部１０８，１１０に作用して内側に向けて、即ち被加工物Ｐを挟持するように弾性的に偏倚する。尚、第１フィンガー手段９４の第１上流側フィンガー手段９４Ａの第１トランスファー部材５４（具体的には、一対の支持突部７２，７４）への取付け、また第１下流側フィンガー手段９４Ｂの第２トランスファー部材５６（具体的には、支持本体部８６，８８）への取付けについては、上述と同様に行われる。 The first to fourth upstream finger means 94A to 98A and the first to fourth downstream finger means 94B to 98B of the first to fourth finger means 94 to 98 have substantially the same configuration. The second upstream finger means 9A (second downstream finger means 96B) of the two-finger means 9 will be described. The illustrated second upstream finger means 96A (second downstream finger means 96B) includes a pair of finger members 102 and 104, and the pair of finger members 102 and 104 are arranged to face each other. Each of the finger members 102 and 104 has a holding portion 106 for holding the workpiece P and a shaft portion 108 extending from the holding portion 106. One finger member 102 has the shaft portion 108 of the second transfer portion. The member 56 is attached by being inserted into the attachment hole 110 provided in the one support main body portion 86, and the other finger member 104 is attached by inserting the shaft portion 108 thereof into the attachment hole 112 of the other support main body portion 88. Has been. Coil springs 114 and 116 are housed in the mounting holes 110 and 112 of the support body portions 86 and 88, and the coil springs 114 and 116 act on the shaft portions 108 and 110 of the finger members 102 and 104 and are directed inward. That is, the workpiece P is elastically biased so as to sandwich it. It should be noted that the first upstream finger means 94A of the first finger means 94 is attached to the first transfer member 54 (specifically, the pair of support projections 72, 74), and the first downstream finger means 94B is attached to the first transfer member 54. The attachment to the two-transfer member 56 (specifically, the support body portions 86 and 88) is performed in the same manner as described above.

この第２フィンガー手段９６の第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）による被加工物Ｐの保持、保持解除は、次のように行われる。図２とともに図３を参照して、第２フィンガー手段９６側においては、第２上流側フィンガー部材１０４（１０２）の上端部に環状テーパ部１１８が設けられ、この環状テーパ部１１８は、上方に向けて径方向外方に拡がっている。また、上流側上金型Ｒ１（下流側上金型Ｒ２）には、円筒状のシンブル１２０が取り付けられ、このシンブル１２０の先端部には、先端側に向けて径方向内側に延びる先端テーパ部１２２が設けられている。 The workpiece P is held and released by the second upstream finger means 96A (second downstream finger means 96B) of the second finger means 96 in the following manner. With reference to FIG. 3 together with FIG. 2, an annular taper portion 118 is provided on the upper end portion of the second upstream finger member 104 (102) on the side of the second finger means 96, and the annular taper portion 118 is directed upward. It expands outward in the radial direction. Further, a cylindrical thimble 120 is attached to the upstream upper die R1 (downstream upper die R2), and the tip end of this thimble 120 has a tip tapered portion extending radially inward toward the tip side. 122 is provided.

このように構成されているので、ラム２０（図１参照）が下方に下死点に向けて移動すると、図３（ａ）に示すように、上流側上金型Ｒ１（下流側上金型Ｒ２）及びシンブル１２０がボルスタ２（図１参照）側の上流側下金型Ｑ１（下流側下金型Ｑ２）に近接する方向に移動し、更に下死点に向けて移動すると、図３（ｂ）に示すように、上流側上金型Ｒ１（下流側上金型Ｒ２）に設けられたシンブル１２０の先端テーパ部１２２が第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）の一対のフィンガー部材１０２，１０４に作用する。 With such a configuration, when the ram 20 (see FIG. 1) moves downward toward the bottom dead center, as shown in FIG. 3A, the upstream upper die R1 (downstream upper die R1 R2) and the thimble 120 move in a direction closer to the upstream lower die Q1 (downstream lower die Q2) on the bolster 2 (see FIG. 1) side, and when further moving toward the bottom dead center, FIG. As shown in b), the tip taper portion 122 of the thimble 120 provided on the upstream upper die R1 (downstream upper die R2) has the second upstream finger means 96A (second downstream finger means 96B). It acts on the pair of finger members 102 and 104.

この状態からシンブル１２０が更に下方へ移動すると、図３（ｃ）に示すように、一対のフィンガー部材１０２，１０４がコイルばね１１４．１１４の弾性偏倚作用に抗して外側に移動され、このようにして一対のフィンガー部材１０２，１０４が開放状態となり、保持されていた被加工物Ｐは第２加工域Ｓ２に位置付けられ、第２加工域Ｓ２に位置する被加工物Ｐに対し、上流側下金型Ｑ１（下流側下金型Ｑ２）及び上流側上金型Ｒ１（下流側上金型Ｒ２）によりプレス加工が施される。 When the thimble 120 further moves downward from this state, the pair of finger members 102 and 104 are moved outward against the elastic biasing action of the coil springs 114.114, as shown in FIG. Then, the pair of finger members 102 and 104 are opened, and the held work piece P is positioned in the second working area S2, and is located on the upstream side below the work piece P located in the second working area S2. Pressing is performed by the die Q1 (downstream side lower die Q2) and the upstream side upper die R1 (downstream side upper die R2).

このプレス加工の際に、第１及び第２トランスファー部材５４，５６が後述するように復動することにより、第２フィンガー手段９６の第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）は上流側に移動され、上流側の加工域、即ち第２加工域Ｓ２にて加工された被加工物Ｐを挟持するようになる。 During this press working, the first and second transfer members 54 and 56 are moved back as described later, so that the second upstream finger means 96A of the second finger means 96 (second downstream finger means 96B). Moves to the upstream side and holds the workpiece P processed in the upstream processing area, that is, the second processing area S2.

第１及び第２トランスファー部材５４，５６が上流側の加工域（この場合、第２加工域Ｓ２）に復動すると、第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）は、図４（ｄ）で示す状態となり、第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）の一対のフィンガー部材１０２，１０４は、シンブル１２０により開放した状態に保持される。 When the first and second transfer members 54, 56 return to the upstream processing area (in this case, the second processing area S2), the second upstream finger means 96A (second downstream finger means 96B) is 4D, the pair of finger members 102 and 104 of the second upstream finger unit 96A (second downstream finger unit 96B) are held open by the thimble 120.

そして、このような状態からラム２０が上方に上死点に向けて移動すると、図４（ｅ）で示すように、上流側上金型Ｒ１（下流側上金型Ｒ２）のシンブル１２０の先端テーパ部１２２と第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）の一対のフィンガー部材１０２，１０４の環状テーパ部１１８とが接触するようになり、この上流側上金型Ｒ１（下流側上金型Ｒ２）の更なる上昇に伴い、コイルばね１１４，１１６の弾性偏倚作用により、一対のフィンガー部材１０２，１０４は被加工物Ｐを挟持方向に移動される。 Then, when the ram 20 moves upward from this state toward the top dead center, as shown in FIG. 4E, the tip of the thimble 120 of the upstream upper die R1 (downstream upper die R2). The tapered portion 122 and the annular tapered portion 118 of the pair of finger members 102 and 104 of the second upstream finger means 96A (second downstream finger means 96B) come into contact with each other, and the upstream upper die R1 (downstream). As the side upper die R2) further rises, the elastic biasing action of the coil springs 114 and 116 causes the pair of finger members 102 and 104 to move in the clamping direction of the workpiece P.

このような状態からラム２０が更に上方に移動すると、図４（ｆ）で示すように、シンブル１２０が第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）から上方に離れ、これにより、第２上流側フィンガー手段９６Ａ（第２下流側フィンガー手段９６Ｂ）の一対のフィンガー部材１０２，１０４が挟持状態となり、第２加工域Ｓ２にて加工された被加工物Ｐを挟持保持する。このように保持された被加工物Ｐは、後に説明するように、第１及び第２トランスファー部材５４，５６の往動により下流側の加工域（この場合、第３加工域Ｓ３）に移動される。 When the ram 20 moves further upward from such a state, the thimble 120 separates upward from the second upstream finger means 96A (second downstream finger means 96B), as shown in FIG. , The pair of finger members 102 and 104 of the second upstream finger means 96A (second downstream finger means 96B) are in a sandwiched state, and sandwiches and holds the workpiece P processed in the second processing area S2. The workpiece P held in this way is moved to the downstream processing area (in this case, the third processing area S3) by the forward movement of the first and second transfer members 54 and 56, as described later. It

次に、図２とともに図５〜図７を参照して、この移送装置５２を用いた被加工物Ｐの移送について説明する。第１及び第２トランスファー部材５４，５６が復動したときには、図２に示す状態になる。この状態から駆動カム６０が矢印７１で示す方向に回動すると、図５に示すように、この駆動カム６０のカム作用面が往動用カムフォロア６２に作用し、第１トランスファー部材５４が矢印４０で示す移送方向に移動される。このとき、第１トランスファー部材５４は、第２トランスファー部材５６に対して相対的に移送方向に移動されるので、第２トランスファー部材５６の一端接続部９０は、第１トランスファー部材５４の駆動伝達用凹部７６内を図５において相対的に左方に移動するのみで、この駆動伝達用凹部７６の上流側内面７８（往動作用面）が一端接続部９０に作用しない。 Next, with reference to FIGS. 5 to 7 together with FIG. 2, the transfer of the workpiece P using the transfer device 52 will be described. When the first and second transfer members 54 and 56 return, the state shown in FIG. 2 is obtained. When the drive cam 60 rotates in the direction indicated by the arrow 71 from this state, as shown in FIG. 5, the cam acting surface of the drive cam 60 acts on the forward cam follower 62, and the first transfer member 54 indicates the arrow 40. It is moved in the transport direction shown. At this time, since the first transfer member 54 is moved in the transfer direction relative to the second transfer member 56, the one-end connection portion 90 of the second transfer member 56 is used for driving transmission of the first transfer member 54. Only the inside of the recess 76 moves relatively to the left in FIG. 5, and the upstream inner surface 78 (forward movement surface) of the drive transmitting recess 76 does not act on the one-end connecting portion 90.

図５に示す状態から駆動カム６０が矢印７１で示す方向に更に回動すると、図６に示すように、この駆動カム６０のカム作用面が往動用カムフォロア６２に更に作用し、第１トランスファー部材５４が矢印４０で示す移送方向に移動されるとともに、この第１トランスファー部材５４の移動に伴い、その駆動伝達用凹部７６の上流側内面７８が第２トランスファー部材５６の一端接続部９０に作用し、これによって、第２トランスファー部材５６も移送方向に移動される。かくして、かかる第１及び第２トランスファー部材５４，５６に移動によって、上流側の加工域（第１〜第３加工域Ｓ１〜Ｓ３）にて加工された被加工物Ｐを下流側の加工域（第２〜第４加工域Ｓ２〜Ｓ４）に移送し、下流側の加工域にてこの被加工物Ｐに加工を施すことができる。 When the drive cam 60 further rotates in the direction indicated by the arrow 71 from the state shown in FIG. 5, the cam acting surface of the drive cam 60 further acts on the forward cam follower 62, as shown in FIG. 54 is moved in the transfer direction indicated by the arrow 40, and with the movement of the first transfer member 54, the upstream-side inner surface 78 of the drive transmission recess 76 acts on the one-end connection portion 90 of the second transfer member 56. As a result, the second transfer member 56 is also moved in the transfer direction. Thus, by moving the first and second transfer members 54, 56, the workpiece P processed in the upstream processing area (first to third processing areas S1 to S3) is processed in the downstream processing area ( The workpiece P can be transferred to the second to fourth processing areas S2 to S4) and processed in the processing area on the downstream side.

このとき、第１トランスファー部材５４の駆動伝達用凹部７６と第２トランスファー部材５６の一端接続部９０との間にアイドル間隙Ｈが存在するので、第１加工域Ｓ１から第２加工域Ｓ２に移送される間に、第１上流側フィンガー手段９４Ａの移動距離が第１下流側フィンガー手段９４Ｂの移動距離よりも大きくなり、これによって、第１加工域Ｓ１における一対の被加工物Ｐ間の間隔が第２加工域Ｓ２に移送されたときに一対の被加工物Ｐ間の間隔が小さくなる。従って、このように一対の被加工物Ｐを移送することにより、第１加工域Ｓ１（特定加工域）より下流側の加工域（第２〜第４加工域Ｓ２〜Ｓ４）における一対の被加工物Ｐの間隔を小さくすることができ、その結果、加工域全体を通しての移送距離を短くし、加工装置の小型化を図ることができる。また、１つの移動駆動機構５８により第１及び第２トランスファー部材５４，５６の移送距離を変えて被加工物を移送することができる。 At this time, since the idle gap H exists between the drive transmission concave portion 76 of the first transfer member 54 and the one end connection portion 90 of the second transfer member 56, the idle gap H is transferred from the first processing area S1 to the second processing area S2. In the meantime, the movement distance of the first upstream side finger means 94A becomes larger than the movement distance of the first downstream side finger means 94B, whereby the distance between the pair of workpieces P in the first processing area S1 is increased. The distance between the pair of workpieces P becomes smaller when the workpiece P is transferred to the second processing area S2. Therefore, by transferring the pair of workpieces P in this manner, the pair of workpieces in the processing regions (second to fourth processing regions S2 to S4) on the downstream side of the first processing region S1 (specific processing region) The distance between the objects P can be reduced, and as a result, the transfer distance through the entire processing area can be shortened and the processing apparatus can be downsized. Further, the one moving drive mechanism 58 can change the transfer distance of the first and second transfer members 54 and 56 to transfer the workpiece.

この図６に示す状態から駆動カム６０が更に矢印７１で示す方向に回動すると、図７に示すように、この駆動カム６０のカム作用面が復動用フォロア６２に作用し、第１トランスファー部材５４が矢印９２で示す移送方向と反対方向に移動される。このとき、第１トランスファー部材５４は、第２トランスファー部材５６に対して相対的に移送方向と反対方向に移動されるので、第２トランスファー部材５６の一端接続部９０は、第１トランスファー部材５４の駆動伝達用凹部７６内を図７において相対的に右方に移動するのみで、この駆動伝達用凹部７６の下流側内面８０（復動作用面）が一端接続部９０に作用しない。 When the drive cam 60 further rotates in the direction shown by the arrow 71 from the state shown in FIG. 6, the cam acting surface of the drive cam 60 acts on the return follower 62, as shown in FIG. 54 is moved in the direction opposite to the transfer direction indicated by arrow 92. At this time, the first transfer member 54 is moved relative to the second transfer member 56 in the direction opposite to the transfer direction, so that the one-end connection portion 90 of the second transfer member 56 is located in the first transfer member 54. Only the inside of the drive transmitting recess 76 is moved to the right in FIG. 7, and the downstream inner surface 80 (returning surface) of the drive transmitting recess 76 does not act on the one-end connecting portion 90.

この図７に示す状態から駆動カム６０が更に矢印７１で示す方向に回動して１回転すると、図２に示す状態に戻り、この駆動カム６０のカム作用面が更に復動用フォロア６４に作用し、第１トランスファー部材５４が移送方向と反対方向に移動されるとともに、この第１トランスファー部材５４の移動に伴い、その駆動伝達用凹部７６の下流側内面８０（復動作用面）が第２トランスファー部材５６の一端接続部９０に作用し、これによって、第２トランスファー部材５６も移送方向と反対方向に移動され、第１及び第２トランスファー部材５４，５６が元の状態に戻り、かくして、駆動カム６０の１回転により第１及び第２トランスファー部材５４，５６を移送方向に１往復動させることがでえきる。 When the drive cam 60 further rotates in the direction shown by the arrow 71 from the state shown in FIG. 7 and makes one rotation, the state returns to the state shown in FIG. 2 and the cam acting surface of the drive cam 60 further acts on the return follower 64. Then, the first transfer member 54 is moved in the direction opposite to the transfer direction, and with the movement of the first transfer member 54, the downstream side inner surface 80 (return operation surface) of the drive transmission recess 76 is moved to the second side. It acts on the one-end connection portion 90 of the transfer member 56, whereby the second transfer member 56 is also moved in the direction opposite to the transfer direction, and the first and second transfer members 54, 56 are returned to their original state, thus driving. One rotation of the cam 60 makes it possible to reciprocate the first and second transfer members 54, 56 once in the transfer direction.

この復動のときには、第１トランスファー部材５４の駆動伝達用凹部７６と第２トランスファー部材５６の一端接続部９０との間のアイドル間隙Ｈの存在により、第２加工域Ｓ２から第１加工域Ｓ１に移送される間に、第１上流側フィンガー手段９４Ａの移動距離が第１下流側フィンガー手段９４Ｂの移動距離よりも大きくなり、これによって、第１加工域Ｓ１における一対の被加工物Ｐ間の間隔が元の状態に戻って大きくなり、第１加工域Ｓ１にて加工した被加工物Ｐを上述したようにして第２加工域Ｓ２へ移送することが可能となる。 At the time of this backward movement, due to the existence of the idle gap H between the drive transmission recessed portion 76 of the first transfer member 54 and the one-end connection portion 90 of the second transfer member 56, the second processing area S2 to the first processing area S1. The moving distance of the first upstream side finger means 94A becomes larger than the moving distance of the first downstream side finger means 94B while being transferred to the first working area S1. The interval returns to the original state and becomes larger, and the workpiece P processed in the first processing area S1 can be transferred to the second processing area S2 as described above.

第１の実施形態の移送装置５２では、第１加工域Ｓ１が特定加工域となり、この第１加工域Ｓ１の下流側に第２〜第４加工域Ｓ２〜Ｓ４が存在し、第１加工域Ｓ１の上流側には加工域（上流側加工域）が存在していないが、このような形態のものに限定されず、第１加工域Ｓ１の上流側に加工域（上流側加工域）が存在するものにも同様に適用することができる。この場合、上流側加工域における上流側フィンガー手段及び下流側フィンガー手段は第１トランスファー部材５４に取り付けられ、この上流側フィンガー手段及び下流側フィンガー手段の間隔は、第１加工域Ｓ１（特定加工域）における第１上流側フィンガー手段９４Ａ及び第１下流側フィンガー手段９４Ｂの間隔と等しくなるように設定される。 In the transfer device 52 of the first embodiment, the first processing area S1 is the specific processing area, and the second to fourth processing areas S2 to S4 are present on the downstream side of the first processing area S1. There is no processing area (upstream processing area) on the upstream side of S1, but the processing area is not limited to this type, and a processing area (upstream processing area) is provided on the upstream side of the first processing area S1. It can be applied to existing ones as well. In this case, the upstream finger means and the downstream finger means in the upstream processing area are attached to the first transfer member 54, and the distance between the upstream finger means and the downstream finger means is the first processing area S1 (specific processing area). ), the distance between the first upstream finger means 94A and the first downstream finger means 94B is set to be equal.

〔第２の実施形態〕
次いで、図８及び図９を参照して、本発明に従う移送装置の第２の実施形態について説明する。この第２の実施形態においては、第１トランスファー部材に修正が施されている。尚、以下の説明において、上述の第１の実施形態と実質上同一の部材には同一の参照番号を付し、その説明を省略する。 [Second Embodiment]
Next, with reference to FIG. 8 and FIG. 9, a second embodiment of the transfer device according to the present invention will be described. In the second embodiment, the first transfer member is modified. In the following description, members that are substantially the same as those in the first embodiment described above are given the same reference numerals, and description thereof is omitted.

図８及び図９において、この第２の実施形態の移送装置５２Ａにおいては、第１トランスファー部材５４Ａには、第１の実施形態における駆動伝達用凹部７６に代えて、駆動伝達用段部１３２が設けられ、復動の際にこの駆動伝達用段部１３２の段差面１３４が第２トランスファー部材５６の一端接続部９０に作用し、この段差面１３４が往動作用面として機能する。また、この第１トランスファー部材５４Ａの一対の支持突部７２Ａ，７４Ａは、第１の実施形態のものよりも移動方向下流側に更に延び、これら支持突部７２Ａ，７４Ａの先端面が往動の際に第２トランスファー部材５６の一部（具体的には、第１トランスファー部材５４Ａの一対の支持突部７２Ａ，７４Ａが位置する開口８２の下流側面を規定する部位）に作用し、かかる一対の支持突部７２Ａ，７４Ａの先端面が往動作用面として機能する。この第２の実施形態におけるその他の構成は、上述した第１の実施形態と実質上同一である。 8 and 9, in the transfer device 52A of the second embodiment, the first transfer member 54A has a drive transmission stepped portion 132 instead of the drive transmission recess 76 of the first embodiment. The step surface 134 of the drive transmission step portion 132 that is provided acts on the one end connecting portion 90 of the second transfer member 56 during the backward movement, and the step surface 134 functions as the forward movement surface. Further, the pair of support protrusions 72A, 74A of the first transfer member 54A further extend to the downstream side in the moving direction than that of the first embodiment, and the tip surfaces of these support protrusions 72A, 74A are moved forward. At this time, it acts on a part of the second transfer member 56 (specifically, a portion that defines the downstream side surface of the opening 82 where the pair of support projections 72A and 74A of the first transfer member 54A is located), and The tip surfaces of the support protrusions 72A and 74A function as forward movement surfaces. Other configurations in the second embodiment are substantially the same as those in the above-described first embodiment.

被加工物Ｐを矢印４０で示す移送方向に移動するときには、移動駆動機構５８の駆動カム６０が図８に示す状態から矢印７１で示す方向に図９に示す状態に回動される。駆動カム６０がこのように回動すると、第１トランスファー部材５４Ａがアイドル間隙Ｈ（図８（ａ）参照）を移動した後に、その一対の支持突部７２Ａ，７４Ａの先端面（往動作用面）が、図９（ａ）に示すように、第２トランスファー部材５６の一部（具体的には、開口８２を規定する部位）に当接してこれを移送方向に移動し、第１及び第２トランスファー部材５４Ａ，５６のかかる往動によって、上流側の加工域（第１〜第４加工域Ｓ１〜Ｓ４）にて加工された被加工物Ｐが下流側の加工域（第２〜第４加工域Ｓ２〜Ｓ４）に移送される。 When the workpiece P is moved in the transfer direction indicated by the arrow 40, the drive cam 60 of the movement drive mechanism 58 is rotated from the state shown in FIG. 8 in the direction indicated by the arrow 71 to the state shown in FIG. When the drive cam 60 rotates in this manner, the first transfer member 54A moves through the idle gap H (see FIG. 8A), and then the tip surfaces (forward movement surfaces) of the pair of support protrusions 72A and 74A. ), as shown in FIG. 9A, comes into contact with a part of the second transfer member 56 (specifically, a portion defining the opening 82) and moves it in the transfer direction, and By the forward movement of the two transfer members 54A and 56, the workpiece P processed in the upstream processing area (first to fourth processing areas S1 to S4) is processed in the downstream processing area (second to fourth processing areas). It is transferred to the processing areas S2 to S4).

また、第１及び第２トランスファー部材５４Ａ，５６を元の状態に戻すときには、駆動カム６０が図９に示す状態から更に矢印７１で示す方向に図８に示す状態に回動される。駆動カム６０がこのように回動すると、第１トランスファー部材５４Ａがアイドル間隙Ｈ（図９（ｂ）参照）を移動した後に、その駆動伝達用段部１３２の段差面１３４（復動作用面）が第２トランスファー部材５６の一端接続部９０に当接してこれを移送方向と反対方向に移動し、かかる復動によって、第１及び第２トランスファー部材５４Ａ，５６は元の位置に戻され、次に加工された被加工物Ｐの下流側への移送が可能となる。 Further, when the first and second transfer members 54A, 56 are returned to their original states, the drive cam 60 is further rotated from the state shown in FIG. 9 in the direction shown by the arrow 71 to the state shown in FIG. When the drive cam 60 rotates in this way, after the first transfer member 54A moves through the idle gap H (see FIG. 9B), the step surface 134 (reverse operation surface) of the drive transmission step portion 132 is moved. Comes into contact with the one-end connection portion 90 of the second transfer member 56 and moves it in the direction opposite to the transfer direction, and by this backward movement, the first and second transfer members 54A, 56 are returned to their original positions, and It is possible to transfer the workpiece P processed into the downstream side to the downstream side.

この第２の実施形態の移送装置５２Ａにおいても、その基本的構成が上述の第１の実施形態と同様であるので、この第１の実施形態と同様の作用効果が達成される。尚、この第２の実施形態においても、第１加工域Ｓ１（特定加工域）の上流側に加工域（上流側加工域）が存在するものにも同様に適用することができ、この場合、上流側加工域における上流側フィンガー手段及び下流側フィンガー手段は第１トランスファー部材５４Ａに取り付けられる。 Also in the transfer device 52A of the second embodiment, the basic configuration thereof is the same as that of the above-described first embodiment, so that the same operational effect as that of the first embodiment is achieved. Note that the second embodiment can be similarly applied to the one in which the processing area (upstream processing area) exists on the upstream side of the first processing area S1 (specific processing area). In this case, The upstream finger means and the downstream finger means in the upstream processing area are attached to the first transfer member 54A.

〔第３の実施形態〕
次に、図１０及び図１１を参照して、本発明に従う移送装置の第３の実施形態について説明する。上述した第１及び第２の実施形態においては、各加工域において同時に２つの被加工物に加工を施すプレス装置（加工装置）に適用されるが、この第３の実施形態においては、各加工域において１つの被加工物に加工を施すプレス装置（加工装置）に適用される。 [Third Embodiment]
Next, with reference to FIGS. 10 and 11, a third embodiment of the transfer device according to the present invention will be described. The first and second embodiments described above are applied to a press device (processing device) that simultaneously processes two workpieces in each processing region, but in the third embodiment, each processing is performed. It is applied to a press device (processing device) that processes one workpiece in a region.

図１０及び図１１において、この第３の実施形態の移送装置５２Ｂにおいては、第１〜第７加工域Ｓ１〜Ｓ７において１つの被加工物Ｐが加工され、このようなプレス装置にも同様に適用することができる。この第３の実施形態においては、第１加工域Ｓ１（特定加工域）に対応する第１フィンガー手段１５２が第１トランスファー部材５４Ｂの一対の支持突部７２Ｂ，７４Ｂに取り付けられ、第２〜第７加工域Ｓ２〜Ｓ７に対応する第２〜第７フィンガー手段１５４，１５６，１５８，１６０，１６２、１６４が第２トランスファー部材５６Ｂの一対の支持本体部８６，８８に取り付けられている。この第３の実施形態におけるその他の構成は、上述した第１の実施形態と実質上同一である。 10 and 11, in the transfer device 52B of the third embodiment, one workpiece P is processed in the first to seventh processing areas S1 to S7, and such a pressing device is similarly processed. Can be applied. In the third embodiment, the first finger means 152 corresponding to the first processing area S1 (specific processing area) is attached to the pair of support projections 72B, 74B of the first transfer member 54B, and the second to second Second to seventh finger means 154, 156, 158, 160, 162, 164 corresponding to the seven processing areas S2 to S7 are attached to the pair of support body portions 86, 88 of the second transfer member 56B. Other configurations in the third embodiment are substantially the same as those in the above-described first embodiment.

この第３の実施形態において、被加工物Ｐを矢印４０で示す移送方向に移動するときには、移動駆動機構５８の駆動カム６０が図１０に示す状態から矢印７１で示す方向に図１１に示す状態に回動される。駆動カム６０がこのように回動すると、第１トランスファー部材５４Ｂがアイドル間隙Ｈ（図１０（ｂ）参照）を移動した後に、その駆動伝達用凹部７６の上流側内面７８（往動作用面）が、図１１（ａ）に示すように、第２トランスファー部材５６Ｂの一端接続部９０に当接してこれを移送方向に移動し、第１及び第２トランスファー部材５４Ｂ，５６Ｂのかかる移動によって、上流側の加工域（第１〜第７加工域Ｓ１〜Ｓ７）にて加工された被加工物Ｐが下流側の加工域（第２〜第８加工域Ｓ２〜Ｓ８）に移送される。 In the third embodiment, when the workpiece P is moved in the transfer direction indicated by the arrow 40, the drive cam 60 of the movement drive mechanism 58 changes from the state shown in FIG. 10 to the state shown in FIG. 11 in the direction indicated by the arrow 71. Is rotated to. When the drive cam 60 rotates in this way, the first transfer member 54B moves through the idle gap H (see FIG. 10B), and then the upstream inner surface 78 (forward movement surface) of the drive transmission recess 76. However, as shown in FIG. 11(a), the first transfer member 56B is brought into contact with the one-end connection portion 90 and moved in the transfer direction, and the first and second transfer members 54B and 56B move in the upstream direction. The workpiece P processed in the side processing area (first to seventh processing areas S1 to S7) is transferred to the downstream processing area (second to eighth processing areas S2 to S8).

このとき、駆動伝達用凹部７６の上流側内面７８と第２トランスファー部材５６Ｂの一端接続部９０との間にアイドル間隙Ｈが存在するので、第１加工域Ｓ１にて加工された被加工物Ｐを第２加工域Ｓ２に移送する際に、このアイドル間隙Ｈだけ移送距離が短くなり、これにより、第１加工域Ｓ１と第２加工域Ｓ２との間隔を小さくすることができ、第２加工域Ｓ２以降の加工域の間隔は、この短い間隔となり、かくして、このような移送装置５２Ｂにおいても全体の移送距離を短くすることができる。 At this time, since the idle gap H exists between the upstream inner surface 78 of the drive transmitting recess 76 and the one-end connecting portion 90 of the second transfer member 56B, the workpiece P processed in the first processing area S1. When the workpiece is transferred to the second processing area S2, the transfer distance is shortened by the idle gap H, and thus the distance between the first processing area S1 and the second processing area S2 can be reduced, and the second processing area S2 can be reduced. The interval between the processing areas after the area S2 is this short interval, and thus the entire transfer distance can be shortened even in such a transfer device 52B.

また、第１及び第２トランスファー部材５４Ｂ，５６Ｂを矢印９２で示す移送方向と反対方向に移動するときには、駆動カム６０が図１１に示す状態から矢印７１で示す方向に図１０に示す状態に回動される。駆動カム６０がこのように回動すると、第１トランスファー部材５４Ｂがアイドル間隙Ｈ（図１１（ｂ）参照）を移動した後に、その駆動伝達用凹部７６の下流側内面８０（復動作用面）が、図１０（ｂ）に示すように、第２トランスファー部材５６の一端接続部９０に当接してこれを移送方向と反対方向に移動し、第１及び第２トランスファー部材５４Ｂ，５６Ｂは、図１０に示す元の状態に戻り、上流側加工域にて加工された被加工物Ｐの下流側加工域への移動が可能となる。 Further, when the first and second transfer members 54B and 56B are moved in the direction opposite to the transfer direction shown by the arrow 92, the drive cam 60 is turned from the state shown in FIG. 11 to the state shown in FIG. 10 in the direction shown by the arrow 71. Be moved. When the drive cam 60 rotates in this way, the first transfer member 54B moves through the idle gap H (see FIG. 11B), and then the downstream inner surface 80 (reverse operation surface) of the drive transmitting recess 76. However, as shown in FIG. 10B, the first and second transfer members 54B and 56B are abutted against the one-end connection portion 90 of the second transfer member 56 and moved in the direction opposite to the transfer direction. Returning to the original state shown in 10, it becomes possible to move the workpiece P processed in the upstream processing area to the downstream processing area.

尚、この第３の実施形態の移送装置５２Ｂは、第１及び第２実施形態のものと同様に、第１加工域Ｓ１（特定加工域）の上流側に加工域（上流側加工域）が存在するものにも同様に適用することができ、この場合、上流側加工域におけるフィンガー手段は第１トランスファー部材５４Ｂに取り付けられる。 The transfer device 52B of the third embodiment has a processing area (upstream processing area) on the upstream side of the first processing area S1 (specific processing area) as in the first and second embodiments. It can be applied to the existing one as well, in which case the finger means in the upstream working area are attached to the first transfer member 54B.

〔第４の実施形態〕
次に、図１２を参照して、本発明に従う移送装置の第４の実施形態について説明する。上述の第３の実施形態においては、各加工域において１つの被加工物に加工を施すプレス装置（加工装置）に適用されるが、この第４の実施形態においては、各加工域において２つの被加工物に加工を同時に施すプレス装置（加工装置）に適用される。 [Fourth Embodiment]
Next, with reference to FIG. 12, a fourth embodiment of the transfer device according to the present invention will be described. In the above-described third embodiment, the present invention is applied to a press device (processing device) that processes one workpiece in each processing region, but in the fourth embodiment, two processing devices are used in each processing region. It is applied to a press device (processing device) that simultaneously processes a workpiece.

図１２において、この第４の実施形態の移送装置５２Ｃにおいては、第１〜第３加工域Ｓ１〜Ｓ３において２つの被加工物Ｐが同時に加工され、このようなプレス装置にも同様に適用することができる。この第４の実施形態においては、第１加工域Ｓ１（特定加工域）に対応する第１フィンガー手段１７２（第１上流側フィンが手段１７２Ａ及び第１下流側フィンガー手段１７２Ｂ）が第１トランスファー部材５４Ｂの一対の支持突部７２Ｃ，７４Ｃに取り付けられ、第２〜第３加工域Ｓ２〜Ｓ３に対応する第２フィンガー手段１７４（第２上流側フィンガー手段１７４Ａ及び第２下流側フィンガー手段１７４Ｂ）及び第３フィンガー手段１７６（第３上流側フィンガー手段１７６Ａ及び第３下流側フィンガー手段１７６Ｂ）が第２トランスファー部材５６Ｃの一対の支持本体部８６Ｃ，８８Ｃに取り付けられている。この第４の実施形態におけるその他の構成は、上述した第３の実施形態と実質上同一である。 In FIG. 12, in the transfer device 52C of the fourth embodiment, two workpieces P are simultaneously processed in the first to third processing areas S1 to S3, and the same applies to such a pressing device. be able to. In the fourth embodiment, the first finger means 172 (first upstream fin means 172A and first downstream finger means 172B) corresponding to the first processing area S1 (specific processing area) is the first transfer member. The second finger means 174 (second upstream finger means 174A and second downstream finger means 174B) attached to the pair of support projections 72C and 74C of 54B and corresponding to the second to third processing areas S2 to S3. The third finger means 176 (third upstream finger means 176A and third downstream finger means 176B) is attached to the pair of support body portions 86C and 88C of the second transfer member 56C. Other configurations in the fourth embodiment are substantially the same as those in the above-described third embodiment.

この第４の実施形態においては、被加工物Ｐを矢印４０で示す移送方向に移動するときには、移動駆動機構５８の駆動カム６０が図１２に示す状態（図１２は、第１及び第２トランスファー部材５４Ｃ，５８が復動された状態を示す）から矢印７１で示す方向に１８０度回動される。駆動カム６０がこのように回動すると、第１トランスファー部材５４Ｃがアイドル間隙Ｈを移動した後に、その駆動伝達用凹部７６の上流側内面７８（往動作用面）が第２トランスファー部材５６の一端接続部９０に当接してこれを移送方向に移動し、第１及び第２トランスファー部材５４Ｂ，５６Ｂのかかる移動によって、上流側の加工域（第１〜第３加工域Ｓ１〜Ｓ３）にて加工された２つの被加工物Ｐが下流側の加工域（第２〜第３加工域Ｓ２〜Ｓ３）に移送される。 In the fourth embodiment, when the workpiece P is moved in the transfer direction indicated by the arrow 40, the drive cam 60 of the movement drive mechanism 58 is in the state shown in FIG. 12 (FIG. 12 shows first and second transfer). The members 54C and 58 are returned to each other) and are rotated 180 degrees in a direction indicated by an arrow 71. When the drive cam 60 rotates in this way, after the first transfer member 54C has moved in the idle gap H, the upstream side inner surface 78 (forward movement surface) of the drive transmission recess 76 is at one end of the second transfer member 56. The connection portion 90 is brought into contact with and moved in the transfer direction, and by the movement of the first and second transfer members 54B and 56B, processing is performed in the upstream processing area (first to third processing areas S1 to S3). The two processed objects P thus transferred are transferred to the downstream processing areas (second to third processing areas S2 to S3).

このとき、駆動伝達用凹部７６の上流側内面７８と第２トランスファー部材５６Ｂの一端接続部９０との間にアイドル間隙Ｈが存在するので、第１加工域Ｓ１にて加工された２つの被加工物Ｐを第２加工域Ｓ２に移送する際に、このアイドル間隙Ｈだけ移送距離が短くなり、これにより、この第１加工域Ｓ１を境にして、第１加工域Ｓ１と第２加工域Ｓ２との間隔を小さくすることができ、第２加工域Ｓ２以降の加工域の間隔は、この短い間隔となり、かくして、このような移送装置５２Ｂにおいても全体の移送距離を短くすることができる。 At this time, since the idle gap H exists between the upstream inner surface 78 of the drive transmission recess 76 and the one end connection portion 90 of the second transfer member 56B, the two workpieces processed in the first processing area S1 are processed. When the object P is transferred to the second processing area S2, the transfer distance is shortened by the idle gap H, so that the first processing area S1 and the second processing area S2 are bordered by the first processing area S1. Can be made small, and the intervals of the processing areas after the second processing area S2 are this short interval, and thus the entire transfer distance can be shortened even in such a transfer device 52B.

〔第５の実施形態〕
次に、図１３〜図１５を参照して、本発明に従う移送装置の第５の実施形態について説明する。この第５の実施形態においては、各加工域において３つの被加工物に加工を同時に施すプレス装置（加工装置）に適用され、第１加工域から第２加工域に移送する際に、３つの被加工物Ｐの間隔が小さくなるように構成されている。 [Fifth Embodiment]
Next, a fifth embodiment of the transfer device according to the present invention will be described with reference to FIGS. In the fifth embodiment, the present invention is applied to a pressing device (processing device) that simultaneously processes three workpieces in each processing region, and when transferring from the first processing region to the second processing region, three It is configured such that the distance between the workpieces P is small.

図１３〜図１５において、この第５の実施形態の移送装置５２Ｄにおいては、第１加工域Ｓ１（特定加工域）において３つの被加工物Ｐが同時に加工されることに関連して、３つの被加工物Ｐを下流側に移送するように、移動駆動機構５８により往復動される第１トランスファー部材１８２と、この第１トランスファー部材１８２により移動される第２及び第３トランスファー部材１８４，１８６を備え、第１〜第３トランスファー部材１８２，１８４，１８６が矢印４０で示す移送方向に往復動自在に支持されている。 13 to 15, in the transfer device 52D of the fifth embodiment, in relation to the three workpieces P being simultaneously processed in the first processing area S1 (specific processing area), The first transfer member 182 reciprocated by the movement drive mechanism 58 and the second and third transfer members 184, 186 moved by the first transfer member 182 are arranged so as to transfer the workpiece P to the downstream side. The first to third transfer members 182, 184 and 186 are supported so as to be reciprocally movable in the transfer direction indicated by the arrow 40.

第１トランスファー部材１８２の一端部側には、移送方向に延びる一対の支持突部１８８，１９０が設けられている。また、この第１トランスファー部材１８２の下面の所定部位（一対の支持突部１８８，１９２の配設部位より長手方向内側の部位）に駆動伝達用凹部１９４が設けられている。この駆動伝達用凹部１９４の上流側内面１９６（即ち、図１３（ｂ）において左側内面）が、第２及び第３トランスファー部材１８４，１８６を後述するように往動させるための往動作用面として機能し、その下流側内面１９８（即ち、図１３（ｂ）において右側内面）が、第２及び第３トランスファー部材１８４，１８６を後述するように復動させるための復動作用面として機能する。 A pair of support protrusions 188 and 190 extending in the transfer direction is provided on one end side of the first transfer member 182. In addition, a drive transmission recess 194 is provided at a predetermined portion (a portion on the inner side in the longitudinal direction of the portion where the pair of support protrusions 188 and 192 is disposed) on the lower surface of the first transfer member 182. The upstream inner surface 196 (that is, the inner surface on the left side in FIG. 13B) of the drive transmission recess 194 serves as a forward movement surface for moving the second and third transfer members 184 and 186 as described later. The inner surface 198 on the downstream side (that is, the inner surface on the right side in FIG. 13B) functions and functions as a return movement surface for returning the second and third transfer members 184 and 186 as described later.

また、第２トランスファー部材１８４の中央大部分には矩形状の中間開口２００が設けられ、この中間開口２００から移送方向下流側に向けて中間挟持空間２０２が延び、中間挟持空間２０２の両側に第２トランスファー部材５６の一対の第２支持本体部２０４，２０６が対向して設けられ、一対の第２支持本体部２０４，２０６の一端側が第２接続部２０７により接続されている。 In addition, a rectangular intermediate opening 200 is provided in a large central portion of the second transfer member 184, and an intermediate holding space 202 extends from the intermediate opening 200 toward the downstream side in the transfer direction. The pair of second support body portions 204 and 206 of the two-transfer member 56 are provided so as to face each other, and one end sides of the pair of second support body portions 204 and 206 are connected by the second connection portion 207.

更に、第３トランスファー部材１８６の一端部には矩形状の外側開口２０８が設けられ、この外側開口２０８から移送方向下流側に向けて下流側挟持空間２１０が延び、この下流側挟持空間２１０の外側に第３支持本体部２１２，２１４が対向して設けられ、第３支持本体部２１２，２１４の一端側が第３接続部２１５により接続されている。 Further, a rectangular outer opening 208 is provided at one end of the third transfer member 186, a downstream holding space 210 extends from the outer opening 208 toward the downstream side in the transfer direction, and an outside of the downstream holding space 210. The third support body portions 212 and 214 are provided so as to face each other, and one end sides of the third support body portions 212 and 214 are connected by the third connection portion 215.

この形態では、第３トランスファー部材１８６の第３接続部２１５の上側に第２トランスファー部材１８４の第２接続部２０７が配置され、第３トランスファー部材１８６の外側開口２０８内に第２トランスファー部材１８４の一対の第２支持本体部２０４，２０６が位置し、一対の第２支持本体部２０４，２０６は、かかる外側開口２０８内で移送方向に往復動される。また、第１トランスファー部材１８２の一端部側は、第２及び第３トランスファー部材１８４，１８６の第２及び第３接続部２０７，２１５を跨いで第２トランスファー部材１８４の中間開口２００内に位置し、その一対の支持突部１８８，１９０は、この中間開口２００内で移送方向に往復動される。 In this embodiment, the second connection portion 207 of the second transfer member 184 is arranged above the third connection portion 215 of the third transfer member 186, and the second transfer member 184 is placed in the outer opening 208 of the third transfer member 186. The pair of second support body portions 204 and 206 are located, and the pair of second support body portions 204 and 206 are reciprocated in the transfer direction within the outer opening 208. Also, one end side of the first transfer member 182 is located in the intermediate opening 200 of the second transfer member 184 across the second and third connecting portions 207, 215 of the second and third transfer members 184, 186. The pair of support protrusions 188 and 190 are reciprocated in the transfer direction within the intermediate opening 200.

また、この構成に関連して、第１トランスファー部材１８２の駆動伝達用凹部１９４内に第２トランスファー部材１８４の第２接続部２０７及び第３トランスファー部材１８６の第３接続部２１５が位置し、この駆動伝達用凹部１７６の移送方向の幅は、第２トランスファー部材１８４の第２接続部２０７の移送方向の幅よりも大きく、これらの幅の差が第２トランファー部材１８４のアイドル間隙Ｈ１（図１３（ｂ）参照）となる。また、駆動伝達用凹部１７６の移送方向の幅は、第３トランスファー部材１８６の第３接続部２１５の移送方向の幅よりも大きく、これらの幅の差が第３トランスファー部材１８６のアイドル間隙Ｈ２（図１３（ｂ）参照）となり、かかる第３トランスファー部材１８６のアイドル間隙Ｈ２は、第２トランスファー部材１８４のアイドル間隙Ｈ１よりも大きく（Ｈ１＜Ｈ２）、このようにアイドル間隙Ｈ１，Ｈ２を設けることにより、第２加工域Ｓ２における３つの被加工物Ｐの間隔が第１加工域Ｓ１（特定加工域）における３つの被加工物Ｐ間の間隔よりも小さくなるように変えることができる。 Further, in relation to this configuration, the second connection portion 207 of the second transfer member 184 and the third connection portion 215 of the third transfer member 186 are located inside the drive transmission recess 194 of the first transfer member 182, and The width of the drive transmission recess 176 in the transfer direction is larger than the width of the second connection portion 207 of the second transfer member 184 in the transfer direction, and the difference between these widths is an idle gap H1 of the second transfer member 184 (see FIG. 13(b)). Further, the width of the drive transmitting recess 176 in the transfer direction is larger than the width of the third connecting portion 215 of the third transfer member 186 in the transfer direction, and the difference between these widths is an idle gap H2( of the third transfer member 186). 13B), the idle gap H2 of the third transfer member 186 is larger than the idle gap H1 of the second transfer member 184 (H1<H2), and thus the idle gaps H1 and H2 are provided. Thus, the distance between the three workpieces P in the second processing area S2 can be changed to be smaller than the distance between the three workpieces P in the first processing area S1 (specific processing area).

このように構成されているので、上述した記載から理解されるように、第１トランスファー部材１８２が第２及び第３トランスファー部材１８４，１８６に対して矢印４０で示す移送方向に移動（往動）すると、その駆動伝達用凹部１９４の上流側内面１９６（往動作用面）が第２トランスファー部材１８４の第２接続部２０７に当接してこれに作用し（図１４参照）、更に移送方向に移動すると、その駆動伝達用凹部１９４の上流側内面１９６（往動作用面）が第３トランスファー部材１８６の第３接続部２１５に当接してこれに作用し（図１４参照）、その後、この駆動伝達用凹部１９４の上流側内面１９６によって第２及び第３トランスファー部材１８４，１８６が移動される。また、この第１トランスファー部材１８２が第２及び第３トランスファー部材１８４，１８６に対して矢印９２で示す方向（移送方向に対して反対方向）に移動（復動）すると、その駆動伝達用凹部１９４の下流側内面１９８（復動作用面）が第２トランスファー部材１８４の第２接続部２０７に作用し、更に移送方向と反対方向に移動すると、その駆動伝達用凹部１９４の下流側内面１９８（復動作用面）が第３トランスファー部材１８６の第３接続部２１５に当接してこれに作用し（図１３参照）、その後、この駆動伝達用凹部１９４の下流側内面１９８によって第２及び第３トランスファー部材１８４，１８６が移動される。 With this configuration, as understood from the above description, the first transfer member 182 moves (forward) in the transfer direction indicated by the arrow 40 with respect to the second and third transfer members 184 and 186. Then, the upstream side inner surface 196 (forward movement surface) of the drive transmission recess 194 comes into contact with and acts on the second connecting portion 207 of the second transfer member 184 (see FIG. 14), and further moves in the transfer direction. Then, the upstream side inner surface 196 (forward movement surface) of the drive transmission concave portion 194 abuts on and acts on the third connecting portion 215 of the third transfer member 186 (see FIG. 14), and then this drive transmission is performed. The second and third transfer members 184 and 186 are moved by the upstream inner surface 196 of the recess 194. When the first transfer member 182 moves (returns) in the direction indicated by the arrow 92 (the direction opposite to the transfer direction) with respect to the second and third transfer members 184 and 186, the drive transmission recess 194 is formed. The downstream inner surface 198 (returning operation surface) of the second transfer member 184 acts on the second connecting portion 207, and further moves in the direction opposite to the transfer direction, the downstream inner surface 198 (returning operation surface) of the drive transmitting recess 194. The operation surface) abuts and acts on the third connection portion 215 of the third transfer member 186 (see FIG. 13), and then the second and third transfer surfaces 198 of the drive transmission recess 194 are moved by the inner surface 198. The members 184 and 186 are moved.

この実施形態では、第１〜第２加工域Ｓ１〜Ｓ２において３つの被加工物Ｐに同時に加工が施されるので、第１〜第２加工域Ｓ１〜Ｓ２に対応して、第１〜第３トランスファー部材１８２〜１８６に第１〜第２フィンガー手段２２２，２２４が次のように配設されている。第１加工域Ｓ１（特定加工域）に対応する第１フィンガー手段２２２については、上流側に位置する第１上流側フィンガー手段２２２Ａ（特定上流側フィンガー手段）が第１トランスファー部材１８２の一対の支持突部１８８，１９０に取り付けられ、下流側に位置する第１下流側フィンガー手段２２２Ｃ（特定下流側フィンガー手段）が第３トランスファー部材１８６の一対の第３支持本体部２１２，２１４に取り付けられ、また中間に位置する第１中間フィンガー手段２２２Ｂ（特定中間フィンガー手段）が第２トランスファー部材１８４に取り付けられている。 In this embodiment, since the three workpieces P are simultaneously processed in the first to second processing areas S1 to S2, the first to second processing areas S1 to S2 are correspondingly processed. First and second finger means 222 and 224 are arranged on the three transfer members 182 to 186 as follows. Regarding the first finger means 222 corresponding to the first processing area S1 (specific processing area), the first upstream finger means 222A (specific upstream finger means) located on the upstream side supports the pair of first transfer members 182. The first downstream finger means 222C (specific downstream finger means) that is attached to the protrusions 188 and 190 and is located on the downstream side is attached to the pair of third support body portions 212 and 214 of the third transfer member 186, and The first intermediate finger means 222B (specific intermediate finger means) located in the middle is attached to the second transfer member 184.

更に、第１加工域Ｓ１（特定加工域）より下流側の加工域、即ち第２加工域Ｓ２に対応する第２フィンガー手段２２４（第２上流側フィンガー手段２２４Ａ、第２中間フィンガー手段２２４Ｂ及び第２下流側フィンガー手段２２４Ｃ）が第３トランスファー部材１８６の一対の第３支持本体部２１２，２１４（具体的には、第１下流側フィンガー手段２２２Ｃの配設部位よりも下流側部位）に取り付けられる。この第５の実施形態の移送装置５２Ｄのっその他の構成は、上述した第１の実施形態と実質上同一である。 Furthermore, the second finger means 224 (the second upstream finger means 224A, the second intermediate finger means 224B, and the second intermediate finger means 224B and the 2 downstream finger means 224C) is attached to the pair of third support body portions 212 and 214 of the third transfer member 186 (specifically, a downstream side portion of the first downstream finger means 222C). .. The other structure of the transfer device 52D of the fifth embodiment is substantially the same as that of the first embodiment described above.

この第５の実施形態の移送装置５２Ｄにおいて、加工後の３つの被加工物Ｐを矢印４０で示す移送方向に移動するときには、移動駆動機構５８の駆動カム６０が図１３に示す状態から矢印７１で示す方向に図１４に示す状態を経て図１５に示す状態まで回動される。駆動カム６０の回動によって、第１トランスファー部材１８２がアイドル間隙Ｈ１（図１３（ｂ）参照）まで移動すると、図１４に示す状態となり、第１トランスファー部材１８２の駆動伝達用凹部１９４の上流側内面１９６（往動作用面）が第２トランスファー部材１８４の第２接続部２０７に当接してこれを移送方向に移動し、更にアイドル間隙Ｈ２（図１３（ｂ）参照）を超えて移動すると、第１トランスファー部材１８２の駆動伝達用凹部１９６の上流側内面１９６が第３トランスファー部材１８６の第３接続部２１５にも当接してこれを移送方向に移動し、このようにして第１〜第３トランスファー部材１８２〜１８６が図１５に示す状態まで往動し、このように復動することによって、上流側の加工域（第１〜第２加工域Ｓ１〜Ｓ２）にて加工された３つ被加工物Ｐが下流側の加工域（第２及び第３加工域Ｓ２〜Ｓ３）に移送される。 In the transfer device 52D of the fifth embodiment, when the three processed objects P after processing are moved in the transfer direction indicated by the arrow 40, the drive cam 60 of the movement drive mechanism 58 moves from the state shown in FIG. 13 to the arrow 71. In the direction indicated by, the state is rotated through the state shown in FIG. 14 to the state shown in FIG. When the first transfer member 182 moves to the idle gap H1 (see FIG. 13B) due to the rotation of the drive cam 60, the state shown in FIG. 14 is obtained, and the upstream side of the drive transmission recess 194 of the first transfer member 182. When the inner surface 196 (forward movement surface) comes into contact with the second connecting portion 207 of the second transfer member 184 and moves it in the transfer direction, and further moves beyond the idle gap H2 (see FIG. 13B), The upstream side inner surface 196 of the drive transmission recess 196 of the first transfer member 182 also abuts against the third connecting portion 215 of the third transfer member 186 and moves it in the transfer direction. The transfer members 182 to 186 move forward to the state shown in FIG. 15, and by returning in this way, three workpieces processed in the upstream processing area (first to second processing areas S1 to S2) are processed. The workpiece P is transferred to the downstream processing area (second and third processing areas S2 to S3).

このとき、第１トランスファー部材１８２の駆動伝達用凹部１９４と第２トランスファー部材１８４の第２接続部２０７との間にアイドル間隙Ｈ１が存在し、この駆動伝達用凹部１９４と第３トランスファー部材１８６の第３接続部２１５との間にアイドル間隙Ｈ２が存在するので、第１加工域Ｓ１から第２加工域Ｓ２に移送される間に、第１上流側フィンガー手段２２２Ａ（特定上流側フィンガー手段）の移動距離が第１中間フィンガー手段２２２Ｂ（特定中間フィンガー手段）の移動距離よりも大きく、また第１中間フィンガー手段２２２Ｂの移動距離が第１下流側フィンガー手段２２２Ｃ（特定下流側フィンガー手段）の移動距離よりも大きくなり、これによって、第１加工域Ｓ１における３つ被加工物Ｐ間の間隔が第２加工域Ｓ２に移送されたときに３つの被加工物Ｐ間の間隔が小さくなる。 At this time, there is an idle gap H1 between the drive transmission recess 194 of the first transfer member 182 and the second connection portion 207 of the second transfer member 184, and the drive transmission recess 194 and the third transfer member 186 are separated from each other. Since the idle gap H2 exists between the third connecting portion 215 and the third connecting portion 215, the first upstream side finger means 222A (specific upstream finger means) of the first upstream side finger means 222A is transferred during the transfer from the first processing area S1 to the second processing area S2. The moving distance is larger than the moving distance of the first intermediate finger means 222B (specific intermediate finger means), and the moving distance of the first intermediate finger means 222B is the moving distance of the first downstream finger means 222C (specific downstream finger means). This makes the gap between the three workpieces P in the first machining area S1 smaller when transferred to the second machining area S2.

従って、このように３つの加工物Ｐを移送することにより、第１加工域Ｓ１（特定加工域）より下流側の加工域（第２〜第３加工域Ｓ２〜Ｓ３）における３つ被加工物Ｐの間隔を小さくすることができ、その結果、加工域全体を通しての移送距離を短くし、加工装置の小型化を図ることができる。また、１つの移動駆動機構５８により第１〜第３トランスファー部材１８２〜１８６の移送距離を変えて３つの被加工物を所要の通りに移送することができる。 Therefore, by transferring the three workpieces P in this way, the three workpieces in the processing areas (second to third processing areas S2 to S3) on the downstream side of the first processing area S1 (specific processing area) are processed. The interval of P can be reduced, and as a result, the transfer distance through the entire processing area can be shortened and the processing apparatus can be downsized. Further, the one moving drive mechanism 58 can change the transfer distances of the first to third transfer members 182 to 186 to transfer the three workpieces as required.

また、第１〜第３トランスファー部材１８２〜１８６を元の状態に戻すときには、駆動カム６０が図１５に示す状態から更に矢印７１で示す方向に図１３に示す状態に回動される。駆動カム６０がこのように回動すると、図１５から理解されるように、第１トランスファー部材１８２がアイドル間隙Ｈ１（図１５（ｂ）参照）を移動すると、第１トランスファー部材１８２の駆動伝達用凹部１９４の下流側内面１９８（復動作用面）が第２トランスファー部材１８４の第２接続部２０７に当接してこれを移送方向に移動し、更にアイドル間隙Ｈ２（図１５（ｂ）参照）を超えて移動すると、第１トランスファー部材１８２の駆動伝達用凹部１９６の下流側内面１９８が第３トランスファー部材１８６の第３接続部２１５にも当接してこれを移送方向に移動する。そして、この駆動カム６０が図１３に示す状態まで回動すると、第１〜第３トランスファー部材１８２〜１８６が図１５に示す状態まで往動され、このように復動するによって、上流側の加工域（第１〜第２加工域Ｓ１〜Ｓ２）にて加工された３つ被加工物Ｐを下流側の加工域（第２及び第３加工域Ｓ２〜Ｓ３）に移送することが可能となる。 When the first to third transfer members 182 to 186 are returned to their original states, the drive cam 60 is further rotated from the state shown in FIG. 15 in the direction shown by the arrow 71 to the state shown in FIG. When the drive cam 60 rotates in this way, as can be understood from FIG. 15, when the first transfer member 182 moves in the idle gap H1 (see FIG. 15B), the drive transfer of the first transfer member 182 is performed. The inner surface 198 on the downstream side of the recess 194 (returning surface) comes into contact with the second connecting portion 207 of the second transfer member 184 and moves this in the transfer direction, and further the idle gap H2 (see FIG. 15(b)). When it moves beyond, the downstream inner surface 198 of the drive transmission recess 196 of the first transfer member 182 also comes into contact with the third connecting portion 215 of the third transfer member 186 and moves in the transfer direction. Then, when the drive cam 60 is rotated to the state shown in FIG. 13, the first to third transfer members 182 to 186 are moved forward to the state shown in FIG. 15, and by returning in this way, machining on the upstream side is performed. It becomes possible to transfer the three workpieces P processed in the areas (first to second processing areas S1 to S2) to the processing areas on the downstream side (second and third processing areas S2 to S3). ..

尚、この第５の実施形態の移送装置５２Ｄにおいても、第１加工域Ｓ１（特定加工域）の上流側に加工域（上流側加工域）が存在するものにも同様に適用することができ、この場合、各上流側加工域における上流側フィンガー手段、中間フィンガー手段及び下流側フィンガー手段は第１トランスファー部材１８２に取り付けられる。 The transfer device 52D of the fifth embodiment can also be applied to the transfer device 52D having a processing area (upstream processing area) upstream of the first processing area S1 (specific processing area). In this case, the upstream finger means, the intermediate finger means, and the downstream finger means in each upstream processing area are attached to the first transfer member 182.

以上、本発明における移送装置の各種の実施形態について説明したが、本発明はこれらの実施形態に限定されず、本発明の範囲を逸脱することなく種々の変更乃至修正が可能である。 Although various embodiments of the transfer device according to the present invention have been described above, the present invention is not limited to these embodiments, and various changes and modifications can be made without departing from the scope of the present invention.

２ ボルスタ
２０ ラム
１２，１４，１６，１８ 下固定金型
３０，３２，３４，３６ 上可動金型
５２，５２Ａ，５２Ｂ，５２Ｃ，５２Ｄ 移送装置
５８ 移動駆動機構
５４，５４Ａ，５４Ｂ，５４Ｃ，１８２ 第１トランスファー部材
５６，５６Ｂ，５６Ｃ，１８４ 第２トランスファー部材
９４，９６，９８，１７２，１７４，１７６，２２２，２２４ フィンガー手段
１８６ 第３トランスファー部材
Ｈ，Ｈ１，Ｈ２ アイドル間隙
Ｐ 被加工物
Ｓ１，Ｓ２，Ｓ３，Ｓ４，Ｓ５，Ｓ６，Ｓ７，Ｓ８ 加工域













2 Bolster 20 Ram 12, 14, 16, 18 Lower fixed mold 30, 32, 34, 36 Upper movable mold 52, 52A, 52B, 52C, 52D Transfer device 58 Movement drive mechanism 54, 54A, 54B, 54C, 182 First transfer member 56, 56B, 56C, 184 Second transfer member 94, 96, 98, 172, 174, 176, 222, 224 Finger means 186 Third transfer member H, H1, H2 Idle gap P Workpiece S1, S2, S3, S4, S5, S6, S7, S8 Processing area













Claims (8)

複数の加工域を通して被加工物を移送し、前記複数の加工域において被加工物に所定の加工を施す加工装置に適用する移送装置において、
被加工物の移送方向に往復動される第１トランスファー部材と、前記第１トランスファー部材の往復動を利用して前記移送方向に往復動される第２トランスファー部材と、前記第１トランスファー部材を往復動させるための移動駆動機構と、被加工物を解除自在に保持するために前記複数の加工域に対応して配設されたフィンガー手段とを備えており、
特定加工域に対応する特定フィンガー手段が前記第１トランスファー部材に取り付けられ、前記特定加工域より下流側に位置する下流側加工域に対応する下流側フィンガー手段が前記第２トランスファー部材に取り付けられ、また前記第１トランスファー部材と前記第２トランスファー部材との間にアイドル間隙が設けられており、
前記移動駆動機構により前記第１トランスファー部材が前記移送方向に往動されると、前記第１トランスファー部材が前記アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により往動され、また前記移動駆動機構により前記第１トランスファー部材が前記移送方向と反対方向に復動されると、前記第１トランスファー部材が前記アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により復動されることを特徴とする移送装置。 In a transfer device for transferring a work piece through a plurality of processing areas and applying it to a processing device that performs a predetermined processing on the work piece in the plurality of processing areas,
A first transfer member that reciprocates in the transport direction of the workpiece, a second transfer member that reciprocates in the transport direction by utilizing the reciprocal motion of the first transfer member, and a reciprocal movement of the first transfer member. A moving drive mechanism for moving, and a finger means arranged corresponding to the plurality of processing areas for holding the workpiece releasably,
Specific finger means corresponding to a specific processing area is attached to the first transfer member, downstream finger means corresponding to a downstream processing area located downstream of the specific processing area is attached to the second transfer member, Further, an idle gap is provided between the first transfer member and the second transfer member,
When the first transfer member is moved forward in the transfer direction by the movement drive mechanism, the second transfer member is moved forward by the action of the first transfer member after the first transfer member moves through the idle gap. When the first transfer member is moved back in the direction opposite to the transfer direction by the movement drive mechanism, the second transfer member moves after the first transfer member moves through the idle gap. A transfer device which is moved back by the action of a member. 複数の加工域を通して被加工物を移送し、前記複数の加工域において一対の被加工物に所定の加工を施す加工装置に適用する移送装置において、
被加工物の移送方向に往復動される第１トランスファー部材と、前記第１トランスファー部材の往復動を利用して前記移送方向に往復動される第２トランスファー部材と、前記第１トランスファー部材を往復動させるための移動駆動機構と、被加工物を解除自在に保持するために前記複数の加工域に対応して配設された一対のフィンガー手段とを備えており、
特定加工域に対応する一対の特定フィンガー手段のうち上流側に位置する特定上流側フィンガー手段が前記第１トランスファー部材に取り付けられ、前記一対の特定フィンガー手段のうち下流側に位置する特定下流側フィンガー手段及び前記特定加工域より下流側に位置する下流側加工域に対応する一対の下流側フィンガー手段が前記第２トランスファー部材に取り付けられ、また前記第１トランスファー部材と前記第２トランスファー部材との間にアイドル間隙が設けられており、
前記移動駆動機構により前記第１トランスファー部材が前記移送方向に往動されると、前記第１トランスファー部材が前記アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により往動され、また前記移動駆動機構により前記第１トランスファー部材が前記移送方向と反対方向に復動されると、前記第１トランスファー部材が前記アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により復動されることを特徴とする移送装置。 In a transfer device for transferring a work piece through a plurality of processing areas and applying it to a processing device that performs a predetermined processing on a pair of work pieces in the plurality of processing areas,
A first transfer member that reciprocates in the transport direction of the workpiece, a second transfer member that reciprocates in the transport direction by utilizing the reciprocal motion of the first transfer member, and a reciprocal movement of the first transfer member. A moving drive mechanism for moving, and a pair of finger means arranged corresponding to the plurality of processing regions for holding the workpiece releasably,
A specific upstream finger unit located on the upstream side of the pair of specific finger units corresponding to the specific processing region is attached to the first transfer member, and a specific downstream finger located on the downstream side of the pair of specific finger units. Means and a pair of downstream finger means corresponding to a downstream processing area located downstream of the specific processing area are attached to the second transfer member, and between the first transfer member and the second transfer member. There is an idle gap in
When the first transfer member is moved forward in the transfer direction by the movement drive mechanism, the second transfer member is moved forward by the action of the first transfer member after the first transfer member moves through the idle gap. When the first transfer member is moved back in the direction opposite to the transfer direction by the movement drive mechanism, the second transfer member moves after the first transfer member moves through the idle gap. A transfer device which is moved back by the action of a member. 前記移送駆動手段は、所定方向に回動される駆動カムと、前記第１トランスファー部材に装着された往動用カムフォロア及び復動用カムフォロアとを備え、前記駆動カムが所定方向に１回転すると、前記第１トランスファー部材が前記移送方向に１回往復動することを特徴とする請求項１に記載の移送装置。 The transfer drive means includes a drive cam that is rotated in a predetermined direction, and a forward cam follower and a return cam follower that are mounted on the first transfer member. When the drive cam makes one revolution in the predetermined direction, The transfer device according to claim 1, wherein one transfer member reciprocates once in the transfer direction. 前記第１トランスファー部材には、前記第２トランスファー部材を前記移送方向に往動させるための往動作用面と、前記第２トランスファー部材を前記移送方向に復動させるための復動作用面とが設けられ、前記第１トランスファー部材の前記往動作用面及び前記復動作用面と第２トランスファー部材との間に前記アイドル間隙が存在しており、前記移動駆動機構により前記第１トランスファー部材が前記移動方向に往動されると、前記第１トランスファー部材が前記第２トランファー部材に対して相対的に移動し、その後前記第１トランファー部材の前記往動作用面が前記第２トランスファー部材に当接して前記第２トランスファー部材が前記第１トランスファー部材とともに往動され、また前記移動駆動機構により前記第１トランスファー部材が前記移動方向に復動されると、前記第１トランスファー部材が前記第２トランスファー部材に対して相対的に移動し、その後前記第１トランスファー部材の前記復動作用面が前記第２トランスファー部材に当接して前記第２トランスファー部材が前記第１トランスファー部材と共に復動されることを特徴とする請求項１〜３のいずれかに記載の移送装置。 The first transfer member has a forward movement surface for moving the second transfer member forward in the transfer direction and a backward movement surface for returning the second transfer member in the transfer direction. The idle gap is provided between the forward movement surface and the backward movement surface of the first transfer member and the second transfer member, and the first transfer member is moved by the movement drive mechanism. When moved forward in the movement direction, the first transfer member moves relative to the second transfer member, and then the forward movement surface of the first transfer member becomes the second transfer member. When the second transfer member comes into contact with the first transfer member and is moved forward together with the first transfer member, and when the first transfer member is returned in the moving direction by the movement drive mechanism, the first transfer member is moved to the second transfer member. Moving relative to the transfer member, and then the returning operation surface of the first transfer member contacts the second transfer member, and the second transfer member is moved back together with the first transfer member. The transfer device according to claim 1, wherein the transfer device is a transfer device. 前記第１トランスファー部材には、前記第２トランスファー部材に移送駆動力を伝達するための駆動伝達用凹部が設けられ、前記第２トランスファー部材の一部が前記駆動伝達用凹部に位置し、前記駆動伝達用凹部の上流側内面が前記第１トランスファー部材の前記往動作用面として作用し、前記駆動伝達用凹部の下流側内面が前記第１トランスファー部材の前記復動作用面として作用することを特徴とする請求項４に記載の移送装置。 The first transfer member is provided with a drive transmission recess for transmitting a transfer driving force to the second transfer member, and a part of the second transfer member is located in the drive transmission recess, The upstream inner surface of the transmission recess acts as the forward movement surface of the first transfer member, and the downstream inner surface of the drive transmission recess acts as the backward movement surface of the first transfer member. The transfer device according to claim 4. 前記第１トランスファー部材には、前記第２トランスファー部材に移送駆動力を伝達するための駆動伝達用段部が設けられ、前記第２トランスファー部材の一部が前記駆動伝達用段部の内側に位置し、前記第１トランスファー部材の先端面が前記第１トランスファー部材の前記往動作用面として作用し、前記駆動伝達用段部の段差面が前記第１トランスファー部材の前記復動作用面として作用することを特徴とする請求項４に記載の移送装置。 The first transfer member is provided with a drive transmission step portion for transmitting a transfer driving force to the second transfer member, and a part of the second transfer member is located inside the drive transmission step portion. The tip end surface of the first transfer member acts as the forward movement surface of the first transfer member, and the stepped surface of the drive transmission step acts as the backward movement surface of the first transfer member. The transfer device according to claim 4, wherein: 前記特定加工域の上流側には上流側加工域が存在し、前記上流側加工域に対応して設けられる上流側フィンガー手段が前記第１トランスファー部材に取り付けられることを特徴とする請求項１又は２に記載の移送装置。 An upstream processing area exists upstream of the specific processing area, and upstream finger means provided corresponding to the upstream processing area is attached to the first transfer member. 2. The transfer device according to 2. 複数の加工域を通して被加工物を移送し、前記複数の加工域において３つの被加工物に所定の加工を同時に施す加工装置に適用する移送装置において、
被加工物の移送方向に往復動される第１トランスファー部材と、前記第１トランスファー部材の往復動を利用して前記移送方向に往復動される第２及び第３トランスファー部材と、前記第１トランスファー部材を往復動させるための移動駆動機構と、被加工物を解除自在に保持するために前記複数の加工域に対応して配設された３つのフィンガー手段とを備えており、
特定加工域に対応する３つの特定フィンガー手段のうち上流側に位置する特定上流側フィンガー手段が前記第１トランスファー部材に取り付けられ、前記３つの特定フィンガー手段のうち下流側に位置する特定下流側フィンガー手段及び前記特定加工域より下流側に位置する下流側加工域に対応する３つの下流側フィンガー手段が前記第３トランスファー部材に取り付けられ、また前記３つの特定フィンガー手段のうち中間に位置する特定中間フィンガー手段が前記第２トランスファー部材に取り付けられ、前記第１トランスファー部材と前記第２トランスファー部材との間に第１アイドル間隙が設けられ、前記第１トランスファー部材と前記第３トランスファー部材との間に第２アイドル間隙が設けられており、
前記移動駆動機構により前記第１トランスファー部材が前記移送方向に往動されると、前記第１トランスファー部材が前記第１アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により往動され、更に前記第１アイドル間隙を越えて前記第２アイドル間隙を移動した後に第３トランスファー部材が前記第１トランスファー部材の作用により往動され、また前記移動駆動機構により前記第１トランスファー部材が前記移送方向と反対方向に復動されると、前記第１トランスファー部材が前記第１アイドル間隙を移動した後に前記第２トランスファー部材が前記第１トランスファー部材の作用により復動され、更に前記第１アイドル間隙を越えて前記第２アイドル間隙を移動した後に第３トランスファー部材が前記第１トランスファー部材の作用により復動されることを特徴とする移送装置。 A transfer device for transferring a workpiece through a plurality of processing areas and applying the processing apparatus to simultaneously perform predetermined processing on three workpieces in the plurality of processing areas,
A first transfer member that reciprocates in the transfer direction of the workpiece; second and third transfer members that reciprocate in the transfer direction by using the reciprocal motion of the first transfer member; and the first transfer A moving drive mechanism for reciprocating the member, and three finger means arranged corresponding to the plurality of processing areas for holding the workpiece releasably,
Of the three specific finger means corresponding to the specific processing area, a specific upstream finger means located on the upstream side is attached to the first transfer member, and a specific downstream finger located on the downstream side of the three specific finger means. Means and three downstream finger means corresponding to a downstream processing area located downstream of the specific processing area are attached to the third transfer member, and a specific intermediate position intermediate between the three specific finger means. Finger means is attached to the second transfer member, a first idle gap is provided between the first transfer member and the second transfer member, and a first idle gap is provided between the first transfer member and the third transfer member. A second idle gap is provided,
When the first transfer member is moved forward in the transfer direction by the movement drive mechanism, the second transfer member moves by the action of the first transfer member after the first transfer member moves through the first idle gap. The third transfer member is moved back by the action of the first transfer member after being moved forward and further moving the second idle gap beyond the first idle gap, and the first transfer member is moved by the movement drive mechanism. Is moved in the direction opposite to the transfer direction, the second transfer member is moved back by the action of the first transfer member after the first transfer member has moved through the first idle gap, and A transfer device in which the third transfer member is moved back by the action of the first transfer member after moving through the second idle gap beyond the first idle gap.
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