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WO2018100693A1 - Machine-outil et ligne de machines de traitement - Google Patents

Machine-outil et ligne de machines de traitement Download PDF

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Publication number
WO2018100693A1
WO2018100693A1 PCT/JP2016/085610 JP2016085610W WO2018100693A1 WO 2018100693 A1 WO2018100693 A1 WO 2018100693A1 JP 2016085610 W JP2016085610 W JP 2016085610W WO 2018100693 A1 WO2018100693 A1 WO 2018100693A1
Authority
WO
WIPO (PCT)
Prior art keywords
turret
chuck
machine
workpiece
spindle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2016/085610
Other languages
English (en)
Japanese (ja)
Inventor
長井修
鈴山惠史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Corp
Original Assignee
Fuji Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Corp filed Critical Fuji Corp
Priority to PCT/JP2016/085610 priority Critical patent/WO2018100693A1/fr
Priority to JP2018553586A priority patent/JP6735354B2/ja
Publication of WO2018100693A1 publication Critical patent/WO2018100693A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • B23B29/32—Turrets adjustable by power drive, i.e. turret heads

Definitions

  • the present invention relates to a machine tool that delivers workpieces to and from the adjacent machine tool by a turret device, and a processing machine line including the machine tool.
  • Patent Document 1 listed below discloses an automatic workpiece transfer machine for transferring workpieces between machine tools.
  • a transfer robot moves in front of a machine tool, and the transfer robot delivers a workpiece to and from a chuck device inside the machine tool.
  • a transport rail is installed at the front of the gantry on which multiple machine tools are mounted, and a traveling platform is movably mounted on the rail, and a transport robot that delivers workpieces is mounted on the traveling platform. Has been.
  • JP 2010-155300 A Japanese Utility Model Publication No. 62-130873
  • an object of the present invention is to provide a machine tool provided with a transport function in a turret device and a processing machine line including the machine tool in order to solve such a problem.
  • the machine tool according to one aspect of the present invention can be attached to a spindle device in which a spindle chuck for gripping a workpiece is fixed to a rotation axis for a spindle that is supported by rotation, a cutter, a rotary tool, a turret chuck, and the like.
  • a turret device that rotates around a turning rotary shaft disposed on the turret, a turret drive device that moves the turret device in a longitudinal direction parallel to the main shaft rotational axis and a vertical direction of the aircraft, and And a turret chuck driving device for moving the turret chuck.
  • a machining machine line can be attached to a spindle device in which a spindle chuck for gripping a workpiece is fixed to a rotation axis for a spindle supported for rotation, a cutter, a rotary tool, a turret chuck, and the like.
  • a turret device that rotates about a turning rotary shaft arranged in the vertical direction; and a turret drive device that moves the turret device in the longitudinal direction of the aircraft parallel to the rotary shaft for the main shaft and in the vertical direction of the aircraft perpendicular to the main axis.
  • a plurality of machine tools having a turret chuck driving device for moving the turret chuck are arranged close to each other in the machine body width direction.
  • the turret device on which the turret chuck is mounted is moved and positioned by the turret drive device in the longitudinal direction of the machine body and in the vertical direction of the machine body, and the turret chuck is positioned in the machine body width direction by the turning index of the turret device Then, the turret chuck is moved in the width direction of the machine body by the turret chuck driving device, so that the workpieces can be delivered between the machine tools arranged in the width direction.
  • FIG. 1 is a perspective view showing two machine tools that are part of a processing machine line.
  • the processing machine line 1 in addition to the machine tool 10 shown in the figure, other machine tools, inspection machines, temporary placement tables, and the like are arranged.
  • a machine tool or the like is modularized and covered with an exterior cover having the same outer shape and dimensions.
  • the machine tool 10 and the like are mounted on the base 2 as a base in a replaceable state. That is, a rail is laid on the base 2, and the machine tool 10 and the like are assembled on a movable bed 18 that can move on the rail.
  • the machine tool 10 according to the present embodiment is designed to have a small width dimension, and adjacent to each other as shown in the figure, the entire processing machine line 1 is compact.
  • FIG. 2 is a side view showing the internal structure of the machine tool.
  • the machine tool 10 is a turret lathe provided with a rotary tool such as an end mill or a drill or a cutting tool such as a cutting tool. Therefore, the machine tool 10 includes a spindle device 11 including a spindle chuck 16 that holds and holds the workpiece W, a turret device 12 including a tool, and a Z-axis drive that moves the turret device 12 in the Z-axis direction and the X-axis direction.
  • the apparatus 13 and the X-axis drive device 14, and the control device 15 for controlling each drive device are included.
  • the machine tool 10 is assembled so that the rotation axis (main axis) of the main spindle device 11 that rotates the workpiece W is in the longitudinal direction of the machine body and is horizontal.
  • the Z axis is a horizontal axis parallel to the main axis of the main spindle device 11.
  • the X-axis of the machine tool 10 is the machine body vertical direction orthogonal to the Z-axis, and is a moving axis that causes the tool of the turret device 12 to advance and retreat with respect to the Z-axis.
  • the X-axis direction is set to the vertical direction in order to reduce the width dimension.
  • the machine tool 1 is a two-axis lathe that moves the tool of the turret device 12 in the Z-axis direction and the X-axis direction with respect to the workpiece W held by the spindle chuck 16.
  • the machine body width direction of the machine tool 10 orthogonal to the main axis is the Y-axis direction.
  • the spindle device 11 is configured such that a spindle chuck 16 and a driven pulley are integrally formed with a spindle that is rotatably supported, and the rotation of the spindle servomotor 21 is transmitted via a V-belt.
  • the turret device 12 is configured integrally with the Z-axis slider 23 of the Z-axis drive device 13 and is mounted on the X-axis slider 27 of the X-axis drive device 14 together with the Z-axis slider 23.
  • a Z-axis guide 24 is fixed to the X-axis slider 27, and the Z-axis slider 23 is slidably attached to the Z-axis guide 24.
  • a screw shaft 25 is attached to a support frame fixed to a Z-axis guide 24 via a bearing, and the screw shaft 25 is screwed to a non-rotating nut in the Z-axis slider 23 to be a ball screw mechanism. Is configured.
  • the rotation of the Z-axis servomotor 22 is transmitted to the screw shaft 25, and the Z-axis slider 23 is linearly moved via a nut.
  • the X-axis drive device 14 that supports the Z-axis drive device 13 and the turret device 12 is assembled to a column 26 installed beside the spindle device 11.
  • the X-axis drive device 14 is configured to raise and lower the Z-axis drive device 13 on the spindle device 11 so as to suppress the width dimension of the machine tool 10.
  • an X-axis slider 27 is slidably attached in the vertical direction via a guide formed in the column 26.
  • a screw shaft 28 arranged in the vertical direction is rotatably supported on the column 26, and the screw shaft 28 is screwed into a non-rotating nut in the X-axis slider 27 to constitute a ball screw mechanism.
  • the rotation of the X-axis servomotor 29 is transmitted to the screw shaft 28, and the X-axis slider 27 is moved up and down via a nut.
  • the work W held by the spindle chuck 16 rotates, and the turret device 12 moves by driving the Z-axis drive device 13 and the X-axis drive device 14, and the tool is applied to the work W. Then, predetermined processing such as cutting is performed.
  • workpieces are sequentially conveyed to a plurality of machine tools 10.
  • an automatic workpiece conveyance machine is installed in front of the machine tool 10, and the workpiece is transferred to and from each machine tool 10.
  • the workpieces are directly transferred between the machine tools 10 without providing an automatic workpiece transfer machine.
  • the workpiece is conveyed by a turret chuck assembled to the turret device 12.
  • FIG. 3 is a perspective view showing the turret device 12
  • FIG. 4 is a side view simply showing the attachment state of the turret chuck to the turret device 12.
  • the turret device 12 swivels a tool table 31 around a rotation axis parallel to the X axis, and performs a swivel index for performing swivel indexing of a plurality of cutting tools 32 and turret chucks 33 and 34 attached to the tool table 31.
  • a dispensing mechanism is provided.
  • the rotation indexing mechanism is not shown in detail, the rotation output of the turret motor 35 (see FIG. 2) is transmitted to the rotation shaft via the gear, and the rotation of the rotation shaft is further transmitted to the tool base 31. It is configured.
  • the turning shaft can be displaced in the axial direction by a hydraulic cylinder, and the gear fixed to the turning shaft and the gear fixed to the tool base 31 can be switched between the meshed state and the separated state. ing. That is, in the turning index mechanism, an indexing state in which the rotation of the turret motor 35 is transmitted to the tool base 31 and a non-indexing state in which the rotation is not transmitted are switched. Further, the turret device 12 is configured with a turret chuck drive device for moving the pair of turret chucks 33 and 34.
  • the turning shaft described above is a hollow shaft, and a tool shaft 36 is inserted therein and is rotated by a turret motor 35.
  • the gear fixed to the tool shaft 36 and the gear fixed to the turning shaft are switched between the meshed state and the separated state by the turning of the turning shaft in the axial direction by the hydraulic cylinder. Yes.
  • the tool shaft 36 and the turning shaft rotate, and when both gears are separated, only the tool shaft 36 receives the output of the turret motor 35 and rotates. It is supposed to be.
  • the tool shaft 36 constitutes a chuck driving device for displacing the turret chucks 33 and 34 in the radial direction.
  • the tool shaft 36 constitutes a rotation drive device for rotating the rotary tool when the rotary tool is attached to the tool table 31.
  • FIG. 5 is a view of the turret device 12 as viewed from below.
  • the tool base 31 has an octagonal shape when viewed from below, and a cutting tool 32 and the like are attached to the outer peripheral side surface portion thereof.
  • a base block 38 is fixed to the lower surface of the tool base 31, and a pair of turret chucks 33, 34 are attached symmetrically thereto.
  • the turret chuck driving device has a configuration for linearly moving the turret chucks 33 and 34 in the radial direction.
  • the turret chucks 33 and 34 are three-jaw chucks, and are configured by the same chuck mechanism that grips and releases the workpiece in the chuck by air.
  • the turret chucks 33 and 34 are both fixed to the guide rod 42 inserted into the base block 38 via a bracket.
  • the guide rod 42 is inserted into a guide hole formed in the base block 38 and can move in the radial direction.
  • a rack gear 421 is formed on a part of the guide rod 42.
  • the tool shaft 36 has a lower end extending into the base block 38, and a pinion gear 361 is integrally formed at the lower end.
  • the pair of rack gears 421 are engaged with each other so as to sandwich the pinion gear 361, and the turret chucks 33 and 34 are moved in the reverse direction by the rotation of the tool shaft 36.
  • FIG. 5 when the tool shaft 36 rotates in the clockwise direction, the pair of turret chucks 33 and 34 moves toward the center of rotation, and conversely, if the tool shaft 36 rotates in the counterclockwise direction, the pair of turret chucks 33 and 34 rotate. It moves in the direction away from the center.
  • the guide rod 42 serves as a guide for linear movement of the turret chucks 33 and 34.
  • the guide rod 42 has a cylindrical shape, the turret chucks 33 and 34 lose their balance due to their own weight. Therefore, a sub rod 43 for maintaining the posture of the turret chucks 33 and 34 is provided in parallel with the guide rod 42 and is inserted into a guide hole formed in the base block 38.
  • a plurality of machine tools 10 are installed close to each other in the width direction as shown in FIG. 1, and the workpieces W are sequentially conveyed from the upstream side.
  • the workpiece W is sent from the right side to the left side of the drawing.
  • 6 to 10 are views showing a state of conveyance of the workpiece W by the turret device 12.
  • the workpiece W is gripped by the spindle chuck 16, and the workpiece is rotated by the rotation of the spindle.
  • a predetermined one is swiveled and indexed from a plurality of cutting tools (inner diameter machining blade, outer diameter machining blade, etc.) 32.
  • the cutting tool 32 of the turret device 12 is positioned in the X-axis direction and the Z-axis direction by driving of the Z-axis driving device 13 and the X-axis driving device 14, and the cutting tool 32 is applied to the rotating workpiece W to be predetermined. Cutting is performed.
  • the workpiece W is delivered to and from the spindle chuck 16, and the turret chucks 33 and 34 of the turret device 12 are used for the work.
  • the turret chuck 33 is in charge of the workpiece W before processing in its own machine tool 10
  • the turret chuck 34 is in charge of the workpiece W after processing. Therefore, when the workpiece W processed as described above is transported to the next process, the turret chuck 34 and the spindle chuck 16 and the Z-axis are rotated by the turning index of the turret device 12 as shown in FIG. It is arranged at a position facing the direction.
  • the turret device 12 is lowered according to the height of the workpiece W by driving the X-axis drive device 14 as shown by arrows in FIGS. 6 and 7, and moved to the spindle chuck 16 side by driving the Z-axis drive device 13. And get closer.
  • the turret chuck 34 is further moved closer to the workpiece W. That is, in the turret device 12, the rotation of the turret motor 35 is transmitted to the tool shaft 36, and the integrally formed pinion gear 361 rotates. Therefore, the rotation of the pinion gear 361 is converted into the linear motion of the rack gear 421, the guide rod 42 is extended with respect to the base block 38 as shown in FIGS. 6 to 7, and the turret chuck 34 moves to the spindle chuck 16 side. .
  • the turret chuck 34 that has reached the workpiece W is gripped by opening and closing the chuck claws.
  • the turret chucks 33 and 34 are positioned on the ZX plane by the driving of the Z-axis driving device 13 and the X-axis driving device 14. Since the machine tool 10 is a Z-axis and X-axis lathe, the turret device 12 cannot be moved in the Y-axis direction. Therefore, the tool shaft 36 is rotated by the turret motor 35, and the guide rod 42 is extended with respect to the base block 38 as shown in FIGS. 9 to 10 by the pinion gear 361 and the rack gear 421. Thereby, the turret chucks 33 and 34 move in the Y-axis direction as shown in FIG. Also in the adjacent machine tool 10 configured in the same manner, the turret chucks 33 and 34 move in the Y-axis direction, and the workpiece W is gripped with each other, and the workpiece W is delivered downstream.
  • the machine tool 10 is entirely covered with an exterior cover (not shown).
  • a front cover 7 is provided at the front of the machine body where the spindle chuck 16 and the turret device 12 are arranged, and the inside thereof is a processing chamber.
  • the front cover 7 is provided with an openable / closable door 701 on the front surface portion, and a work delivery port 702 is formed on both side surfaces in the width direction.
  • the transfer port 702 is provided with an openable / closable door that can be automatically opened and closed. Therefore, at the time of workpiece transfer shown in FIG. 10, in the adjacent machine tool 10, the upstream turret chuck 34 and the downstream turret chuck 33 grip the workpiece W through the transfer port 702.
  • the turret chuck 33 that has received the workpiece W and the turret chuck 34 that has received the workpiece W are returned to the state shown in FIG.
  • the turret chuck 33 since the workpiece W is gripped by the turret chuck 33, the turret chuck 33 is arranged at a position facing the spindle chuck 16 in the Z-axis direction by the turning index of the turret device 12 (see FIG. 6). ).
  • the workpiece W is transferred from the turret chuck 33 to the spindle chuck 16 in the same manner as when the turret chuck 34 receives the workpiece W from the spindle chuck 16.
  • the processing machine line 1 of the present embodiment has a configuration capable of discharging the workpiece W in addition to delivering the workpiece W between the machine tools 10.
  • a temporary table is installed in the middle of the line, and an NG workpiece or a workpiece for inspection is placed there.
  • the processing machine line becomes larger by the amount of the temporary table, and in order for the operator to take out the workpiece for inspection from the temporary table, the operation must be paused, resulting in a loss of processing time. It will occur.
  • the discharge rail 45 is attached between the adjacent machine tools 10 arranged in the width direction.
  • the discharge rail 45 is a rail having a groove width matched to the dimension of the workpiece W.
  • the discharge rail 45 is disposed below the transport port 702 and is attached to the front cover 7.
  • a temporary placement member 46 is attached between the machine tools 10. The temporary placement member 46 temporarily places the workpiece W by the upstream turret chuck 34 when the timing of gripping the workpiece W between the upstream turret chuck 34 and the downstream turret chuck 33 does not match. Is for.
  • the turret device 12 grips the workpiece Wx from the spindle chuck 16 by the turret chuck 34, and the turret chuck 34 is arranged in the Y-axis direction by turning indexing (see FIGS. 8 and 9). .
  • the turret chucks 33 and 34 attached to the turret device 12 can be moved in the radial direction, the workpiece W is transferred between the adjacent machine tools 10 without using the automatic workpiece transfer machine. That is, the workpiece W can be conveyed.
  • the turret device 12 is a two-axis lathe that moves the Z-axis direction and the X-axis direction.
  • the turret device 12 includes a turret chuck driving device that moves the turret chucks 33 and 34.
  • the above effects can be achieved without increasing the size of the machine tool 10.
  • the turret chuck driving device utilizes the rotation of the tool shaft 36 for driving the rotary tool, the above-described effects can be achieved by simply improving the configuration of the base block 38 portion. Can do.
  • the workpiece W can be transferred between the machine tools 10 by the turret chucks 33 and 34, and the discharge rail 45 is further added, an NG workpiece or an inspection workpiece can be transferred without providing a temporary table. It can be taken out from the processing machine line 1.
  • the structure is simple and includes small parts such as the discharge rail 45, the work W can be discharged without cost and without requiring space.
  • the discharge is performed by the operation of the turret device 12 which is the same as the conveyance of the workpiece W, the driving of the processing machine line 1 is not temporarily stopped.
  • the chuck drive device is configured by the turret motor 35 and the tool shaft 36, but a pinion gear may be attached to the rotation shaft of the motor directly fixed to the base block 38.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Workpieces (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Turning (AREA)

Abstract

L'invention concerne une machine-outil comprenant: un dispositif d'arbre principal dans lequel un mandrin d'arbre principal servant à saisir une pièce est fixé sur un arbre de rotation d'arbre principal guidé en rotation; un dispositif de tourelle sur lequel peuvent être fixés une lame, un outil rotatif, un mandrin de tourelle ou similaire, le dispositif de tourelle tournant autour d'un arbre de rotation de pivotement disposé dans la direction verticale d'un bâti de machine; un dispositif d'entraînement de tourelle servant à déplacer le dispositif de tourelle vers l'avant et l'arrière du bâti de machine parallèlement à l'arbre de rotation d'arbre principal, et dans la direction verticale orthogonale du bâti de machine; et un dispositif d'entraînement de mandrin de tourelle servant à déplacer le mandrin de tourelle, une fonction de transport étant ainsi conférée au dispositif de tourelle.
PCT/JP2016/085610 2016-11-30 2016-11-30 Machine-outil et ligne de machines de traitement Ceased WO2018100693A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2016/085610 WO2018100693A1 (fr) 2016-11-30 2016-11-30 Machine-outil et ligne de machines de traitement
JP2018553586A JP6735354B2 (ja) 2016-11-30 2016-11-30 工作機械および加工機械ライン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/085610 WO2018100693A1 (fr) 2016-11-30 2016-11-30 Machine-outil et ligne de machines de traitement

Publications (1)

Publication Number Publication Date
WO2018100693A1 true WO2018100693A1 (fr) 2018-06-07

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PCT/JP2016/085610 Ceased WO2018100693A1 (fr) 2016-11-30 2016-11-30 Machine-outil et ligne de machines de traitement

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JP (1) JP6735354B2 (fr)
WO (1) WO2018100693A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114434150A (zh) * 2022-03-15 2022-05-06 山东泰格斯精密机械有限公司 一种转塔多工位阀门数控加工机床
CN114728392A (zh) * 2019-11-12 2022-07-08 基斯特勒控股公司 具有力传感器的切削机床、用于操作这种切削机床的方法以及用于校准这种切削机床的力传感器的方法
WO2023276855A1 (fr) * 2021-06-28 2023-01-05 Dmg森精機株式会社 Machine-outil et procédé d'actionnement de machine-outil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587697A (en) * 1983-06-30 1986-05-13 Index Werke Komm. Ges. Hahn & Tessky Automatic turret lathe
JP2010099747A (ja) * 2008-10-21 2010-05-06 Murata Machinery Ltd 工作機械
JP2010099750A (ja) * 2008-10-21 2010-05-06 Murata Machinery Ltd 工作機械
JP2012071371A (ja) * 2010-09-28 2012-04-12 Amada Machine Tools Co Ltd 旋盤

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587697A (en) * 1983-06-30 1986-05-13 Index Werke Komm. Ges. Hahn & Tessky Automatic turret lathe
JP2010099747A (ja) * 2008-10-21 2010-05-06 Murata Machinery Ltd 工作機械
JP2010099750A (ja) * 2008-10-21 2010-05-06 Murata Machinery Ltd 工作機械
JP2012071371A (ja) * 2010-09-28 2012-04-12 Amada Machine Tools Co Ltd 旋盤

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114728392A (zh) * 2019-11-12 2022-07-08 基斯特勒控股公司 具有力传感器的切削机床、用于操作这种切削机床的方法以及用于校准这种切削机床的力传感器的方法
JP2023500968A (ja) * 2019-11-12 2023-01-11 キストラー ホールディング アクチエンゲゼルシャフト 力トランスデューサを備える切削機、その切削機の操作方法、およびその切削機の力トランスデューサの較正方法
JP7425867B2 (ja) 2019-11-12 2024-01-31 キストラー ホールディング アクチエンゲゼルシャフト 力トランスデューサを備える切削機、その切削機の操作方法、およびその切削機の力トランスデューサの較正方法
WO2023276855A1 (fr) * 2021-06-28 2023-01-05 Dmg森精機株式会社 Machine-outil et procédé d'actionnement de machine-outil
JP2023005177A (ja) * 2021-06-28 2023-01-18 Dmg森精機株式会社 工作機械および工作機械の運転方法
CN114434150A (zh) * 2022-03-15 2022-05-06 山东泰格斯精密机械有限公司 一种转塔多工位阀门数控加工机床

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