WO2016031487A1 - 歯車加工機械 - Google Patents

歯車加工機械 Download PDF

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Publication number
WO2016031487A1
WO2016031487A1 PCT/JP2015/071741 JP2015071741W WO2016031487A1 WO 2016031487 A1 WO2016031487 A1 WO 2016031487A1 JP 2015071741 W JP2015071741 W JP 2015071741W WO 2016031487 A1 WO2016031487 A1 WO 2016031487A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
processing
gear
hob
holding means
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/JP2015/071741
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
和幸 石津
宜孝 藤村
陽子 廣野
達朗 ▲高▼木
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to CN201580041081.2A priority Critical patent/CN106573321B/zh
Priority to US15/500,797 priority patent/US10239172B2/en
Priority to MX2017001430A priority patent/MX2017001430A/es
Publication of WO2016031487A1 publication Critical patent/WO2016031487A1/ja
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
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/15526—Storage devices; Drive mechanisms therefor
    • B23Q3/15533—Storage devices; Drive mechanisms therefor combined with manual tool transfers
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/08—Protective coverings for parts of machine tools; Splash guards
    • B23Q11/0891—Protective coverings for parts of machine tools; Splash guards arranged between the working area and the operator
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
    • B23F5/20—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
    • B23F5/22—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling the tool being a hob for making spur gears
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
    • B23Q11/0085—Safety devices protecting the operator, e.g. against accident or noise by determining whether the machine tool is in a dangerous configuration
    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/006—Arrangements for observing, indicating or measuring on machine tools for indicating the presence of a work or tool in its holder
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
    • B23Q2003/155404—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising a single gripper
    • B23Q2003/155411—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising a single gripper pivotable
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/10—Gear cutting
    • Y10T409/101431—Gear tooth shape generating
    • Y10T409/10159—Hobbing
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/11—Tool changing with safety means
    • Y10T483/115—Guard
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/17—Tool changing including machine tool or component
    • Y10T483/1702—Rotating work machine tool [e.g., screw machine, lathe, etc.]
    • Y10T483/1705—Tool support comprises rotary spindle
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/17—Tool changing including machine tool or component
    • Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
    • Y10T483/1736—Tool having specific mounting or work treating feature
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/17—Tool changing including machine tool or component
    • Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
    • Y10T483/1736—Tool having specific mounting or work treating feature
    • Y10T483/1738—Tool head
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/18—Tool transfer to or from matrix
    • Y10T483/1873—Indexing matrix

Definitions

  • the present invention relates to a gear machining machine provided with an automatic tool changer.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to reduce the interference area when moving the processing tool and to facilitate the design operation in a gear processing machine provided with an automatic tool changer. .
  • a gear processing machine for solving the above-mentioned problems is a gear processing machine which performs replacement of a processing tool detachably mounted on a tool spindle by an automatic tool changer, and the automatic tool changer is A tool holding means for detachably holding the processing tool; a moving means for moving the tool holding means in a direction parallel to the axial direction of the tool spindle; and a rotating means for rotating the tool holding means It is characterized by the fact that
  • a gear machining machine for solving the above-mentioned problems is the gear machining machine according to the first aspect, wherein the automatic tool changer comprises raising and lowering means for raising and lowering the tool holding means in the vertical direction. It is characterized by being.
  • a gear machining machine according to a third invention for solving the above-mentioned problems is the gear machining machine according to the first or second invention, wherein the tool holding means comprises positioning means in the circumferential direction of the machining tool It is characterized by being.
  • a gear processing machine for solving the above-mentioned problems is the gear processing machine according to any one of the first to third aspects, wherein the automatic tool changer is the tool holding means is the processing tool Is provided with a tool presence / absence detection means for detecting whether or not it holds.
  • a gear processing machine for solving the above-mentioned problems is the gear processing machine according to any one of the first to fourth aspects, wherein the rotating means rotates the tool holding means around a vertical rotation axis. It is characterized in that it is rotated.
  • a gear processing machine for solving the above problems is a gear processing machine according to any one of the first to fifth aspects, comprising: a column supported on a bed; and a saddle supported on the column And a tool head supported by the saddle movably in three different axial directions, and the tool holding means is held by the tool holding means by driving the column, the saddle and the tool head.
  • the processing tool held by the tool holding means is mounted on the tool spindle while keeping the axial direction and the axial direction of the tool spindle parallel.
  • a gear machining machine for solving the above problems is a gear machining machine according to any one of the first to sixth inventions, wherein a machining space for gear machining the gear to be machined and the machining space Provided in the cover member for dividing the setting space for carrying in and out of the tool holding means, the processing space and the external space of the setting space, and the cover member, the processing space and the setting space A second door member provided on the cover member and enabling communication between the setup space and the external space, the first door member, and the second door member. And an open / close state detection means for detecting the open / close state of the door member.
  • the gear machining machine According to the gear machining machine according to the first invention, by moving the machining tool in the axial direction in the automatic tool changer, the interference area with peripheral members etc. at the time of tool exchange is small, and machining is performed. Since the interference area with the peripheral member does not change even by the axial length of the forging tool, the design work can be facilitated. Further, by rotating the tool holding means for holding the processing tool in the automatic tool changer, for example, a chip conveyor for discharging chips generated at the time of processing to the rear side of the gear processing machine, Even when the chip box is installed, the tool holding means can be directed in the direction in which the chip conveyor and the chip box do not interfere with the work, so loading and unloading of the processing tool to the tool holding means Can be done easily.
  • the tool holding means can be moved up and down according to the height and the like of the worker, so the burden on the worker in carrying in and out the processing tool to the tool holding means. Can be reduced.
  • the tool holding means can hold the machining tool at a predetermined phase by the positioning means in the circumferential direction of the machining tool. It can be mounted on the tool spindle in a predetermined phase.
  • the gear processing machine it is possible to detect whether or not the tool holding means holds the processing tool by the tool presence / absence detection means, so that the tool holding means holds the processing tool. Notwithstanding, there is no useless operation to mount the tool spindle. Further, at the position of the processing tool held by the tool holding means, there is no case in which there is a possibility that interference may occur to detach the processing tool from the tool spindle. That is, it is possible to eliminate the malfunction of the tool change in the automatic tool changer.
  • the gear machining machine by rotating the tool holding means about the vertical axis of rotation, the heavy processing tool with long weight etc. is replaced in order to extend the tool life. Even in this case, since no load is applied to the processing tool in the rotational direction, the tool holding means can be easily rotated.
  • the axial direction of the replacement processing tool held by the tool holding means is kept parallel to the axial direction of the tool spindle. As this is done, wasteful movement of the column, the saddle and the tool head can be eliminated, and the time for replacement work can be shortened.
  • the tool holding of the automatic tool changer in the setup space by providing the cover member for dividing each space, the first door member, and the second door member
  • the open / close state detection means for example, as a gear machining machine
  • operation of the gear machining machine is continued when either the first door member or the second door member is in the closed door state. Since machining of the processed gear in the processing space can be performed while securing the safety, the operation rate of the gear processing machine can be improved.
  • FIG. 1 is a plan view showing a configuration of a gear machining machine according to a first embodiment.
  • FIG. 2 is a side view (II-II side view in FIG. 1) showing the configuration of the gear machining machine according to the first embodiment.
  • It is explanatory drawing (III-III arrow side view in FIG. 1) which shows the tool holder of the gear machining machine based on Example 1.
  • FIG. FIG. 2 is an explanatory view showing a tool holder of the gear machining machine according to the first embodiment.
  • FIG. 5 is an explanatory view (a sectional view taken along the line V-V in FIG. 3) showing a tool holder of the gear machining machine according to the first embodiment.
  • FIG. 6 is an explanatory view showing a mounted state of the hob cutter in the tool holder of the gear machining machine according to the first embodiment.
  • FIG. 7 is an explanatory view showing a tool replacement operation of the gear machining machine according to the first embodiment.
  • FIG. 7 is an explanatory view showing a tool replacement operation of the gear machining machine according to the first embodiment.
  • FIG. 7 is an explanatory view showing a tool replacement operation of the gear machining machine according to the first embodiment.
  • FIG. 7 is an explanatory view showing a tool replacement operation of the gear machining machine according to the first embodiment.
  • a bed 10 is provided on a hobbing machine 1 which is a gear processing machine (machine tool), and on this bed 10, a column 20 moves in the horizontal X-axis direction It is supported possible.
  • a saddle 21 is supported by the column 20 so as to be capable of moving up and down in the vertical Z-axis direction, and the hob head 22 is supported by the saddle 21 so as to be movable in the Y-axis direction orthogonal to the X-axis direction and the Z-axis direction. ing.
  • the hob support 23 is supported by the hob head 22 so as to be movable in a direction parallel to the Y axis, and the hob cutter 30, which is a gear machining tool (machining tool), is detachable by the hob head 22 and the hob support 23. And, it is rotatably mounted around a horizontal hob rotation axis B.
  • the hob cutter 30 can be moved in the X-axis direction, the Y-axis direction, and the Z-axis direction, that is, three different axial directions. By rotating the hob cutter 30 about the hob rotation axis B.
  • a table 40 is provided to face the hob cutter 30 of the column 20, and on the opposite side of the column 20 sandwiching the table 40, a counter column 50 is provided. It is provided.
  • a rotating shaft for workpiece processing (not shown) is supported on the table 40 so as to be rotatable around a vertical workpiece rotation axis C1 so that a workpiece W which is an external gear (a workpiece) can be rotatably attached. It has become.
  • the workpiece W is transported by a workpiece changer (not shown) provided on the counter column 50, and is carried into and out of the processing position.
  • the workpiece W mounted on the table 40 is rotated by rotational driving of a workpiece processing rotating shaft (not shown), and gear processing is performed by the hob cutter 30.
  • a tip conveyor 60 is provided below the hob cutter 30 and the work W at the processing position.
  • the chip conveyor 60 is for discharging chips generated when processing the workpiece W, and is laid from the lower side of the workpiece W at the processing position from the hob cutter 30 to the rear side (upper side in FIG. 1) of the bed 10 It is done. Further, a chip box 61 is provided on the rear side of the bed 10, and the rear end side of the chip conveyor 60 is positioned above the chip box 61.
  • chips generated by gear machining of the workpiece W at the processing position are dropped onto the chip conveyor 60 located below the chips, and are conveyed to the rear side of the bed 10 by the conveying operation of the chip conveyor 60, and chips By falling into the chip box 61 installed near the rear end side of the conveyor 60, the hobbing machine 1 is discharged.
  • the hobbing machine 1 further includes a transport rail 70 for transporting the hob cutter 30, a hanger 80 supported movably along the transport rail 70, and the hob cutter 30 connected to the hanger 80.
  • a tool holder 90 is provided, and the hob cutter 30 is automatically replaced.
  • the conveyance rail 70 extends from the vicinity of the table 40 toward the rear side of the hobbing machine 1 in a direction (vertical direction in FIG. 1) parallel to the tool rotation axis B of the hob cutter 30.
  • the hanger 80 is connected via a moving mechanism (not shown). Therefore, when the driving source (not shown) is driven, the hanger 80 can move from one end of the transport rail 70 to the other end, that is, from the vicinity of the table 40 to the rear of the bed 10. That is, in the hobbing machine 1 according to the present embodiment, the transport rail 70 and the hanger 80 constitute moving means for moving the tool holder 90 in a direction parallel to the axial direction of the hob spindle (not shown).
  • a bar-shaped screw member 81 extending in the vertical direction is provided in the U-shaped portion 80 a located on the lower end side of the hanger 80, and the lower end side of the screw member 81 is provided.
  • the handle 82 is connected.
  • a holder holding member 83 for holding the tool holder 90 is screwed in the screw member 81, and when the operator operates the handle 82, the screw member 81 is rotated.
  • the holder holding member 83 is moved (lifted) in the axial direction of the screw member 81, that is, in the vertical direction (vertical direction in FIGS. 3 and 4) by the rotation. That is, in the hobbing machine 1 according to the present embodiment, the screw member 81, the handle 82 and the holder holding member 83 constitute raising and lowering means for raising and lowering the tool holder 90 in the vertical direction.
  • the holder holding member 83 is provided with a main body portion 83a which can be moved up and down by screwing with the screw member 81, and a connecting rod 83b which is connected to the main body portion 83a and rotatably supports the tool holder 90.
  • the tool holder 90 includes a support member 91 rotatably supported by the connecting rod 83b of the holder holding member 83, and a flat main body 92 connected to the support member 91. And, a claw portion 93 for mounting the hob cutter 30 is provided so as to protrude to the side opposite to the connection side of the main body portion 92 with the support member 91.
  • the tool holder 90 can move along the transport rail 70 together with the hanger 80 (see FIG. 1) and can rotate around the holder rotation axis C2 perpendicular to the hanger 80. (See Figures 3 to 6). Therefore, the tool holder 90 can move the tool loading / unloading position P1 and the standby position P2 by being rotated about the holder rotation axis C2, and the lifting gear 80 is further moved along the transport rail 70. Thus, the standby position P2 and the tool change position P3 can be moved. That is, in the hobbing machine 1 according to the present embodiment, the holder holding member 83 and the support member 91 constitute a rotating means for rotating the tool holder 90 around the vertical holder rotation axis C2.
  • the tool loading / unloading position P1 is the position of the tool holder 90 when the operator carries the hob cutter 30 into and out of the hobbing machine 1
  • the standby position P2 is the lifting gear 80 during the processing operation of the hobbing machine 1.
  • the position of the tool holder 90 when the tool holder 90 stands by, and the tool change position P3 is the tool holder when the lifting tool 80 and the tool holder 90 move to the vicinity of the column 20 after the end of processing 90 positions.
  • the hanger 80 and the tool holder 90 are provided with a rotation lock mechanism (not shown) for preventing rotation around the holder rotation axis C2, and the tool holder 90 is rotated around the holder rotation axis C2 by the rotation lock mechanism.
  • a rotation lock mechanism (not shown) for preventing rotation around the holder rotation axis C2
  • the tool holder 90 is rotated around the holder rotation axis C2 by the rotation lock mechanism.
  • the claws 93 in the tool holder 90 correspond to the left and right (left and right in FIGS. 3 and 4 and up and down in FIG. 5) corresponding to the clamps 31 provided at both ends of the hob cutter 30. 3) provided as a pair, and further, as shown in FIG. 3, FIG. 4 and FIG. 6, at a predetermined distance in the vertical direction (in FIG. 3, FIG. 4 and FIG.
  • the claw portions 93 are provided on the upper side (upper side) and the lower side (lower side) of the main body portion 92 so that the two Hob cutters 30 can be placed.
  • the tool holder 90 can hold two or more hob cutters 30 so that the used hob cutter 30 can be recovered while making the hanger 80 make one reciprocation along the transport rail 70 and a new hob cutter 30 can be used. Can be attached.
  • the tool holder 90 can hold three or more hob cutters 30, a plurality of hob cutters 30 from the next process to a plurality of processes may be placed on the tool holder 90 in one tool replacement setup operation. it can. That is, the number of movements of the lifting tool 80 and the tool holder 90 for tool replacement and the number of tool replacement setup operations can be reduced, and the number of tool replacement steps in the hobbing machine 1 can be reduced.
  • the claw portion 93 is provided with a cutaway portion 93a so as to correspond to the clamp portion 31 of the hob cutter 30, so that the hob cutter 30 can be stably placed.
  • a key groove 93b is provided in the notch 93a, and a key 94 is attached to the key groove 93b. That is, by placing the key groove 32 formed on the clamp portion 31 of the hob cutter 30 in engagement with the key 94 attached to the claw portion 93, the hob cutter 30 can be placed at a predetermined phase and position. It can be done.
  • the hob cutter 30 when the hob cutter 30 mounted on the claw portion 93 by the hob head 22 and the hob support 23 is mounted, the hob cutter 30 can be mounted at a predetermined phase position with respect to the hob main shaft (not shown). That is, in the hobbing machine 1 according to this embodiment, the notch 93a of the claw 93 in the tool holder 90 and the key 94 and the key groove 32 of the clamp 31 in the hob cutter 30
  • the positioning means is configured to align the phase in the circumferential direction and the position in the axial direction.
  • a pendulum member 95 is rotatably supported by a pin 96 in the claw portion 93, and a proximity sensor 97 is provided in the vicinity of the pendulum member 95.
  • the end face (contact surface) 95a at one end side comes in contact with the clamp portion 31 of the hob cutter 30.
  • a rotation operation (left rotation in FIG. 7) around the pin 96 is performed.
  • the other end side (right side in FIG. 7) of the pendulum member 95 is in a lowered state (state shown by a two-dot chain line in FIG. 7) Since the end face 95 b on the end side is separated from the proximity sensor 97, it is determined that the pendulum member 95 is not detected by the proximity sensor 97, that is, the hob cutter 30 is not placed on the claw portion 93.
  • the clamp portion 31 contacts the contact surface 95a, and the other end side of the pendulum member 95 is raised (state shown by solid line in FIG. 7) Since the end face 95 b of the head is close to the proximity sensor 97, the pendulum member 95 is detected by the proximity sensor 97, that is, it is determined that the hob cutter 30 is placed on the claw portion 93.
  • the end face 95b of the other end of the pendulum member 95 approaches and is separated from the proximity sensor 97, thereby detecting whether or not the hob cutter 30 is placed on the claw portion 93, that is, the presence or absence of the hob cutter 30 is detected.
  • the tool presence / absence detection means is configured by the pendulum member 95, the pin 96, and the proximity sensor 97.
  • the automatic tool changer is comprised by the conveyance rail 70, the hanger 80, and the tool holder 90 of a structure which were mentioned above.
  • the hob plate 1 is provided with a cover member 100 made of sheet metal or the like, and a processing space S1 for processing the workpiece W by the cover member 100 and a tool replacement setup for performing a setup operation for replacing the hob cutter 30
  • the cover member 100 is provided with open / close shutters (opening / closing members) 101, 102, 103 so that the operator or the hob cutter 30 can come and go in each space S1, S2, S3. ing.
  • the first shutter 101 enables communication between the work space S3 and the processing space S1 so that an operator such as an operator can perform maintenance and the like of the hob board 1.
  • the second shutter 102 enables communication between the processing space S1 and the tool change setup space S2 so that the hanger 80 and the tool holder 90 can move along the transport rail 70.
  • the third shutter 103 is a setup operation for replacing the hob cutter 30, that is, the work space S3 and the tool replacement setup space so that the hob cutter 30 can be carried in and out of the tool holder 90 at the tool replacement position P1. It is possible to communicate with S2.
  • Hobbing machine 1 is provided with a sensor (not shown) for detecting the open / close state of each shutter 101, 102, 103 in order to secure the safety as a gear processing machine, and processing space S1 communicates with work space S3.
  • processing space S1 communicates with work space S3.
  • the hob cutter 30 to be used for new processing is carried into the automatic tool changer.
  • the loading operation of the new hob cutter 30 is performed by gear machining the workpiece W by the hob cutter 30 and while the automatic tool changer is not driving.
  • the third shutter 103 is opened, the rotation lock mechanism (not shown) is released, the tool holder 90 at the standby position P2 is rotated (reversed), and the tool holder 90 is not rotated by the rotation lock mechanism. Fix to At this time, the first shutter 101 and the second shutter 102 are closed, and the processing space S1 is separated from the tool change setup space S2 and the work space S3 even when the third shutter 103 is opened. The opening operation of the third shutter 103 does not stop the gear machining operation in the hobbing machine 1.
  • the handle 82 of the hanger 80 is operated to adjust the height of the tool holder 90, that is, the claw 93 on which the hob cutter 30 is placed.
  • the new hob cutter 30 is placed on the claw portion 93 on one side (the upper side in FIGS. 3, 4 and 6 in the present embodiment) in the tool holder 90.
  • the key groove 32 provided in the hob cutter 30 is placed so as to engage with the key 94 provided in the claw portion 93.
  • the hob head 22 and the hob support 23 can mount the hob cutter 30 on the hob spindle (not shown) with the correct phase and the correct position.
  • the rotation lock mechanism (not shown) is released again, the tool holder 90 is rotated (reversed), and the tool holder 90 is fixed at the standby position P2 so as not to rotate by the rotation lock mechanism.
  • the third shutter 103 is closed, and the loading operation of the new hob cutter 30 into the automatic tool changer ends.
  • the tool holder 90 is rotated 180 ° around the holder rotation axis C2 from the standby position P2 on the rear side of the bed 10, so it is similarly installed on the rear side of the bed 10.
  • the chip conveyor 60 and the chip box 61 do not disturb the loading operation of the hob cutter 30 described above. Therefore, the new hob cutter 30 can be easily carried into the automatic tool changer.
  • the automatic tool changer is driven to exchange the hob cutter 30.
  • the second shutter 102 opens, and the hanger 80 and the tool holder 90 move along the transport rail 70 to the front side of the hobbing machine 1, ie, the processing space S1.
  • the first shutter 101 and the third shutter 103 are closed, and even if the second shutter 102 is opened, the processing space S1 is separated from the work space S3.
  • the transport operation or the like in the processing space S1 of the hobbing machine 1 is not stopped by the opening operation.
  • the processing operation is not stopped by the opening operation of the second shutter 102, and the second shutter 102 is opened to automatically change the tool. It is possible to prepare for the tool change operation by the device.
  • the hob cutter 30 is changed.
  • Driving the column 20 and the saddle 21 brings the hob head 22 and the hob support 23 closer to the tool holder 90 (see FIG. 8).
  • the hob cutter 30 mounted on the hob head 22 and the hob support 23 is brought close to the other (lower) claw portion 93 on which nothing is placed in the tool holder 90.
  • the one end side (lower end side in FIG. 9) of the hob cutter 30 is detached by driving the hob support 23 (see FIG. 9), and the other end side (upper end side in FIG. 10) of the hob cutter 30 by driving the hob head 22. Is released (see FIG. 10).
  • the hob cutter 30 is separated from the hob head 22 and the hob support 23 and placed on the other (lower) claw portion 93 of the tool holder 90.
  • the hob head 22 and the hob support 23 are brought close to the one (upper) claw portion 93 on which the new hob cutter 30 is mounted on the tool holder 90.
  • the space between the hob head 22 and the hob support 23 is in a sufficiently opened state, it is placed on the hob cutter 30 after use mounted on the other claw portion 93 and on one claw portion 93.
  • There is no interference with the hob cutter 30 before use see FIG. 10.
  • the proximity sensor 97 at one of the claws 93 that the hob cutter 30 is placed on one of the claws 93.
  • the hob cutter 30 is gripped by driving the hob head 22 (see FIG. 9), and the other end of the hob cutter 30 is gripped by driving the hob support 23 (see FIG. 8).
  • the hob cutter 30 is attached to the hob head 22 and the hob support 23. That is, in the hobbing machine 1 according to the present embodiment, the hob cutter 30 held by the tool holder 90 is kept parallel to the axial direction of the hob spindle (not shown) by driving the column 20, the saddle 21 and the hob head 22.
  • the hob cutter 30 held by the tool holder 90 is mounted on the hob spindle.
  • the hob cutter 30 in the circumferential phase and axial direction with respect to the hook 93 in the tool holder 90 With the position positioned, the hob head 22 and the hob support 23 can mount the hob cutter 30 in the correct phase and position.
  • the hob head 22 and the hob support 23 are separated from the tool holder 90, and the hanger 80 and the tool holder 90 are along the transport rail 70 on the rear side of the hobbing machine 1.
  • the exchange setup space S2 When the tool holder 90 reaches the standby position P2, the second shutter 102 is closed, and in the processing space S1, the workpiece W is subjected to gear processing by the newly attached hob cutter 30.
  • the used hob cutter 30 is unloaded from the automatic tool changer.
  • the removal operation of the hob cutter 30 after use is performed while the replacement operation of the hob cutter 30 by the automatic tool changer is completed and the automatic tool changer is not driven.
  • the third shutter 103 is opened, the rotation lock mechanism (not shown) is released, the tool holder 90 is rotated (reversed), and the tool holder 90 is fixed at the tool loading / unloading position P1 so as not to rotate by the rotation lock mechanism.
  • the first shutter 101 and the second shutter 102 are closed, and the processing space S1 is separated from the tool change setup space S2 and the work space S3 even when the third shutter 103 is opened.
  • the opening operation of the third shutter 103 does not stop the gear machining operation in the hobbing machine 1.
  • the handle 82 of the hanger 80 is operated to adjust the height of the tool holder 90, that is, the claw 93 on which the hob cutter 30 is placed.
  • the used hob cutter 30 is taken out from the claw portion 93 on the other side (in the present embodiment, the lower side in FIGS. 3, 4 and 6) in the tool holder 90.
  • the rotation lock mechanism (not shown) is released again, the tool holder 90 is rotated (reversed), and the tool holder 90 is fixed at the standby position P2 so as not to rotate by the rotation lock mechanism.
  • the third shutter 103 is closed, and the work of taking out the used hob cutter 30 from the automatic tool changer ends.
  • the tool holder 90 is rotated 180 ° around the holder rotation axis C2 from the standby position P2 on the rear side of the bed 10, so Similarly, the chip conveyor 60 and the chip box 61 installed on the rear side of the bed 10 do not interfere with the above-described work of discharging the hob cutter 30. Therefore, the unloading operation of the hob cutter 30 after use from the automatic tool changer can be easily performed.
  • the hob cutter 30 used in the next step may be placed on the claw portion 93 of the tool holder 90 at the time of the above-described unloading operation, and the above-described loading operation may be performed.
  • the hob cutter 30 which is a processing tool, in the axial direction in the automatic tool changer, the interference region with peripheral members etc. at the time of tool change is increased.
  • the small size and the axial length of the hob cutter 30 do not change the area of interference with the peripheral members, so design work can be facilitated.
  • the tip conveyor 60 and the chip box 61 installed on the rear side of the hobbing machine 1 become the hob cutter 30 to the tool holder 90.
  • the work can be easily performed without being in the way of the work of carrying in and out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Gear Processing (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Jigs For Machine Tools (AREA)
PCT/JP2015/071741 2014-08-27 2015-07-31 歯車加工機械 Ceased WO2016031487A1 (ja)

Priority Applications (3)

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CN201580041081.2A CN106573321B (zh) 2014-08-27 2015-07-31 齿轮加工设备
US15/500,797 US10239172B2 (en) 2014-08-27 2015-07-31 Gear manufacturing machine
MX2017001430A MX2017001430A (es) 2014-08-27 2015-07-31 Maquina de fabricacion de engranajes.

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JP2014172364A JP6356014B2 (ja) 2014-08-27 2014-08-27 歯車加工機械
JP2014-172364 2014-08-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12350749B2 (en) * 2020-04-23 2025-07-08 Jtekt Corporation Gear machining apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018125213A1 (de) * 2018-10-11 2020-04-16 Liebherr-Verzahntechnik Gmbh Verzahnmaschine
JP7167631B2 (ja) * 2018-10-30 2022-11-09 株式会社ジェイテクト 工作機械及び工作機械を用いた歯車加工方法
JP6851525B1 (ja) * 2020-03-25 2021-03-31 Dmg森精機株式会社 工具マガジン装置
CH716713B1 (de) 2020-12-08 2021-04-30 Reishauer Ag Werkzeugwechsler.
CH718193A1 (de) * 2020-12-18 2022-06-30 Reishauer Ag Werkzeugkopf und Verfahren zum Betrieb eines Werkzeugkopfes.
JP7443470B1 (ja) 2022-11-16 2024-03-05 Dmg森精機株式会社 工具支持装置、及び該工具支持装置を備えた工作機械

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59129618A (ja) * 1983-01-06 1984-07-26 Mitsubishi Heavy Ind Ltd ホブの交換補助装置
US4590661A (en) * 1983-11-03 1986-05-27 Cima S.P.A. Hobbing machine tool changer having vertically and horizontally movable jaws
JPH04269137A (ja) * 1991-02-20 1992-09-25 Tsugami Corp 複合加工工作機械
JP2000296434A (ja) * 1999-04-12 2000-10-24 Ondo Kosakusho:Kk 自動工具交換装置
WO2012157126A1 (ja) * 2011-05-19 2012-11-22 株式会社牧野フライス製作所 ワーク測定機能を有する工作機械
JP2014097552A (ja) * 2012-11-15 2014-05-29 Komatsu Ntc Ltd 工具交換装置および工具交換方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939256B2 (ja) * 1977-11-04 1984-09-21 東芝機械株式会社 自動工具交換装置
JPS5669056A (en) * 1979-11-08 1981-06-10 Fanuc Ltd Robot-equipped machining center
CH646085A5 (fr) * 1980-03-07 1984-11-15 Georges Moulin Dispositif changeur automatique d'outils, pour une machine-outil a broche verticale ou horizontale.
JPS601133B2 (ja) * 1980-11-19 1985-01-12 株式会社小松製作所 ホブ盤における自動工具交換装置
US4599786A (en) * 1984-09-04 1986-07-15 Cincinnati Milacron Inc. Grinding machine with apparatus for changing grinding wheel tools and workpieces
JPS62255012A (ja) * 1986-01-17 1987-11-06 Mitsubishi Heavy Ind Ltd 歯車加工機械の自動生産システム化装置
JPH0639859Y2 (ja) 1986-07-02 1994-10-19 株式会社カシフジ ホブ盤のホブ交換装置
JPH03245938A (ja) * 1990-02-21 1991-11-01 Mitsubishi Heavy Ind Ltd 歯切り盤の自動工具交換方法
IT1248226B (it) * 1991-05-31 1995-01-05 Cima Apparecchiatura per il cambio automatico dei pezzi e dell'utensile in una macchina dentatrice.
DE19860492B4 (de) * 1998-12-28 2005-09-15 Deckel Maho Gmbh Programmgesteuerte Fräs- und Bohrmaschine
CN101698282B (zh) 2009-10-26 2011-07-20 威海华东重工有限公司 机床用刀具自动更换装置
JP5835139B2 (ja) * 2012-02-24 2015-12-24 アイシン・エィ・ダブリュ株式会社 回転加工機及び回転加工方法
CN202943462U (zh) * 2012-11-09 2013-05-22 西安扩力机电科技有限公司 一种基于自动操作臂的数控加工中心
CN203726256U (zh) * 2013-12-19 2014-07-23 常州创胜特尔数控机床设备有限公司 一种数控机床
JP6836143B2 (ja) * 2016-12-27 2021-02-24 株式会社ジェイテクト 工作機械

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59129618A (ja) * 1983-01-06 1984-07-26 Mitsubishi Heavy Ind Ltd ホブの交換補助装置
US4590661A (en) * 1983-11-03 1986-05-27 Cima S.P.A. Hobbing machine tool changer having vertically and horizontally movable jaws
JPH04269137A (ja) * 1991-02-20 1992-09-25 Tsugami Corp 複合加工工作機械
JP2000296434A (ja) * 1999-04-12 2000-10-24 Ondo Kosakusho:Kk 自動工具交換装置
WO2012157126A1 (ja) * 2011-05-19 2012-11-22 株式会社牧野フライス製作所 ワーク測定機能を有する工作機械
JP2014097552A (ja) * 2012-11-15 2014-05-29 Komatsu Ntc Ltd 工具交換装置および工具交換方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12350749B2 (en) * 2020-04-23 2025-07-08 Jtekt Corporation Gear machining apparatus

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JP2016047558A (ja) 2016-04-07
US10239172B2 (en) 2019-03-26
US20170232564A1 (en) 2017-08-17
CN106573321B (zh) 2019-07-26
JP6356014B2 (ja) 2018-07-11
CN106573321A (zh) 2017-04-19
MX2017001430A (es) 2017-05-11

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