JP6298569B1 - パレット交換装置 - Google Patents
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- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
- B23Q7/1426—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices
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- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
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- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
- B23Q7/1426—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices
- B23Q7/1494—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices using grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/904—Devices for picking-up and depositing articles or materials provided with rotary movements only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
- B23Q1/4876—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed parallelly by a single rotating pair
- B23Q1/488—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed parallelly by a single rotating pair followed perpendicularly by a single rotating pair
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- B23Q2707/00—Automatic supply or removal of metal workpieces
- B23Q2707/02—Drive
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- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2707/00—Automatic supply or removal of metal workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65G2201/02—Articles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T409/305824—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation with angular movement of work
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Abstract
Description
しかも、旋回軸が被覆部を固着することによって、所定のスペースを占有していることは、上記支障を更に一層助長する。
因みに、テーブルが旋回軸側に対して進退する構成と、上記の側部に配置する構成とを対比した場合、テーブルとパレット交換アームとが上下方向において重畳(オーバーラップ)する領域範囲は、前者の構成の方が後者の構成よりも大きいという関係にあり、前者の構成は、専らパレット交換アームの旋回のために必要な空間を小さく設定することができる。
(1)パレット段取り台と、テーブルとの間にてパレットを授受するパレット交換アームを、上下動自在であると共に、水平方向に静止した状態にて支持する旋回軸を配置しているパレット交換装置であって、前記テーブルは、前記旋回軸側に対して進退すると共に、当該旋回軸側の先端における立ち上がり部、及び当該立ち上がり部の揺動中心軸を介して揺動自在に支持され、かつパレットを介してワークを載置する揺動部を備えており、前記旋回軸は、当該旋回軸の下端側に位置している旋回支持部を上側から被覆する被覆部を固着する一方、前記被覆部は、前記立ち上がり部を挿脱自在とする挿脱口を備えており、しかも前記挿脱口の側方の位置から両側に前記パレット交換アームを水平方向に延設しているパレット交換装置、
(2)パレット段取り台と、テーブルとの間にてパレットを授受するパレット交換アームを、上下動自在であると共に、水平方向に静止した状態にて支持する旋回軸を配置しているパレット交換装置であって、前記テーブルは、前記旋回軸側に対して進退すると共に、当該旋回軸側の先端における立ち上がり部、及び当該立ち上がり部の揺動中心軸を介して揺動自在に支持され、かつパレットを介してワークを載置する揺動部を備えており、前記旋回軸は、両側にパレット交換アームを延設している可動被覆部を固着する一方、当該可動被覆部の下側に、当該旋回軸の下端側に位置している旋回支持部を上側から被覆する静止被覆部が床面上に配置されており、前記静止被覆部においては、前記立ち上がり部を挿脱自在とする挿脱口を備えており、前記パレット交換アームは、パレットを授受するために水平方向に延設されたパレット支持部と前記可動被覆部における前記両側の位置とを架橋する架橋延設部を備えているパレット交換装置、
からなる。
挿脱口20は、実際には、単に立ち上がり部42だけでなく、揺動部41及び図1(a)、図2(a)の斑点領域に示す当該揺動部41を支える下側領域等のテーブル4の一部領域をも挿脱自在とする場合が多い。
但し、被覆部2の下端が、パレット交換アーム3を延設している位置よりも下側であって、かつ床の近傍に配置されている構成を採用した場合には、切削粉の旋回支持部11への進入の防止という被覆部2の機能を十分発揮することができる。
尚、図3(b)、(c)、(e)、(g)の各平面図において、点線による円弧部分は被覆部2において挿脱口20が存在する位置を示し、図4(b)、(c)、(e)、(g)の各平面図において、点線による円弧部分は静止被覆部22において挿脱口20が存在する位置を示す。
プロセス(a):テーブル4における立ち上がり部42(但し、大抵の場合には、立ち上がり部42及び当該立ち上がり部42と接続するテーブル4の一部領域の場合が多い)の挿脱口20内への挿入
プロセス(b):待機状態にあるパレット交換アーム3の旋回軸1と一体をなす旋回(図3(b)及び図4(b)は、それぞれ前記旋回前における配置状態を示す。)
プロセス(c):パレット交換アーム3の支持部の揺動部41における支持枠40に支持されているパレットP,P′及び段取り台5における支持枠50によって支持されるパレットP,P′の下方側への旋回による移行
プロセス(d):パレットP,P′を支持したパレット交換アーム3の旋回軸1及び被覆部2(基本構成(1)の場合)、又は可動被覆部21(基本構成(2)の場合)の上方への移動
プロセス(e):パレットP,P′を支持したパレット交換アーム3の180度の旋回(図3(e)及び図4(e)は、それぞれ前記旋回後の状態を示す。)
プロセス(f):パレットP,P′を支持したパレット交換アーム3の旋回軸1及び被覆部2(基本構成(1)の場合)、又は可動被覆部21(基本構成(2)の場合)の下方への移動、及び各パレットP,P′の揺動部41における支持枠40及び段取り台5における支持枠50に対する載置
プロセス(g):パレット交換アーム3の旋回による元の位置への復帰(図3(g)及び図4(g)は、それぞれ前記旋回後の状態を示す。)
このように、テーブル4における立ち上がり部42(但し、実際には当該立ち上がり部42と接続するテーブル4の一部領域である場合が多い)を被覆部2の挿脱口20内に収容した状態にて、一連の旋回及び上下動によって、基本構成(1)及び同(2)においては、ワークW,W′をそれぞれ載置しているパレットP,P′を円滑に交換することができる。
尚、開閉に要するスペースを考慮するならば、ドアとしては、回転式ドアよりも、スライド式ドアが好ましい。
11 旋回支持部
12 旋回軸に対する駆動部
13 固定枠
2 被覆部
20 挿脱口
21 可動被覆部
22 静止被覆部
3 パレット交換アーム
31 架橋延設部
4 テーブル
40 揺動部に配置されているパレットに対する支持枠
41 テーブルにおける揺動部
42 テーブルにおける立ち上がり部
420 立ち上がり部における揺動中心軸
5 段取り台
50 段取り台に配置されているパレットに対する支持枠
6 主軸等を備えている工作機械
P,P′ パレット
W,W′ ワーク
Claims (7)
- パレット段取り台と、テーブルとの間にてパレットを授受するパレット交換アームを、上下動自在であると共に、水平方向に静止した状態にて支持する旋回軸を配置しているパレット交換装置であって、前記テーブルは、前記旋回軸側に対して進退すると共に、当該旋回軸側の先端における立ち上がり部、及び当該立ち上がり部の揺動中心軸を介して揺動自在に支持され、かつパレットを介してワークを載置する揺動部を備えており、前記旋回軸は、当該旋回軸の下端側に位置している旋回支持部を上側から被覆する被覆部を固着する一方、前記被覆部は、前記立ち上がり部を挿脱自在とする挿脱口を備えており、しかも前記挿脱口の側方の位置から両側に前記パレット交換アームを水平方向に延設しているパレット交換装置。
- 被覆部の下端が、パレット交換アームを延設している位置よりも下側であって、かつ床の近傍に配置されていることを特徴とする請求項1記載のパレット交換装置。
- パレット段取り台と、テーブルとの間にてパレットを授受するパレット交換アームを、上下動自在であると共に、水平方向に静止した状態にて支持する旋回軸を配置しているパレット交換装置であって、前記テーブルは、前記旋回軸側に対して進退すると共に、当該旋回軸側の先端における立ち上がり部、及び当該立ち上がり部の揺動中心軸を介して揺動自在に支持され、かつパレットを介してワークを載置する揺動部を備えており、前記旋回軸は、両側にパレット交換アームを延設している可動被覆部を固着する一方、当該可動被覆部の下側に、当該旋回軸の下端側に位置している旋回支持部を上側から被覆する静止被覆部が床面上に配置されており、前記静止被覆部においては、前記立ち上がり部を挿脱自在とする挿脱口を備えており、前記パレット交換アームは、パレットを授受するために水平方向に延設されたパレット支持部と前記可動被覆部における前記両側の位置とを架橋する架橋延設部を備えているパレット交換装置。
- 静止被覆部の下端が床に固着されていることを特徴とする請求項3記載のパレット交換装置。
- 前記挿脱口が、前記立ち上がり部及び当該立ち上がり部と接続するテーブルの一部領域を挿脱自在としていることを特徴とする請求項1、2、3、4の何れか一項に記載のパレット交換装置。
- 前記挿脱口を開閉するドアを設けていることを特徴とする請求項1、2、3、4、5の何れか一項に記載のパレット交換装置。
- 前記挿脱口の内側に挿入された前記立ち上がり部が旋回軸の表面近傍の位置にて配置された状態を実現していることを特徴とする請求項1、2、3、4、5、6の何れか一項に記載のパレット交換装置。
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