WO2023163163A1 - Machine de coupe - Google Patents

Machine de coupe Download PDF

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Publication number
WO2023163163A1
WO2023163163A1 PCT/JP2023/007019 JP2023007019W WO2023163163A1 WO 2023163163 A1 WO2023163163 A1 WO 2023163163A1 JP 2023007019 W JP2023007019 W JP 2023007019W WO 2023163163 A1 WO2023163163 A1 WO 2023163163A1
Authority
WO
WIPO (PCT)
Prior art keywords
stocker
workpiece
gripping
axis direction
cutting machine
Prior art date
Application number
PCT/JP2023/007019
Other languages
English (en)
Japanese (ja)
Inventor
功二 小和田
数人 宮本
Original Assignee
Ｄｇｓｈａｐｅ株式会社
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 Ｄｇｓｈａｐｅ株式会社 filed Critical Ｄｇｓｈａｐｅ株式会社
Publication of WO2023163163A1 publication Critical patent/WO2023163163A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • 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
    • B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
    • B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
    • 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
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/04—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part adjustable in inclination
    • 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
    • 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
    • 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
    • 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
    • B23Q7/04—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 by means of grippers

Definitions

  • the present invention relates to cutting machines.
  • Patent Document 1 discloses a cutting machine that cuts a workpiece to be cut into a desired shape.
  • This cutting machine includes a storage device, a cutting device, a conveying device, and a control device.
  • the storage device has a stocker that can store a plurality of disk-shaped workpieces with the adapters attached.
  • the cutting device cuts the workpiece.
  • the conveying device grips the adapter and conveys the workpiece from the storage device to the cutting device.
  • the control device conveys and cuts the workpiece according to the machining program.
  • the transport device has a gripping part that grips the workpiece.
  • a cutting device includes a clamp that grips a workpiece during cutting. When cutting a workpiece, the gripper grips the workpiece stored in the stocker of the storage device and moves to the cutting device. Then, the workpiece is passed from the gripping part to the clamp, and the clamp grips the workpiece. After that, the workpiece held by the clamp is cut.
  • the gripping part of the transfer device that transports the workpiece from the stocker of the storage device to the cutting device and the clamp of the cutting machine that grips the workpiece during cutting are separate parts.
  • the number of parts is small.
  • the present invention has been made in view of the above points, and its object is to provide a cutting machine capable of holding and cutting a workpiece housed in a stocker while reducing the number of parts. be.
  • a cutting machine includes a stocker, a case body, a moving mechanism, a gripping section, and a gripping and moving mechanism.
  • the stocker has an accommodation portion in which the workpiece is accommodated.
  • the case main body is formed with a storage area where a user stores a workpiece in the storage section and a machining area where the workpiece is cut.
  • the moving mechanism moves the stocker between the storage area and the processing area.
  • the gripper is arranged in the machining area and grips the workpiece during cutting.
  • the grip movement mechanism moves the grip portion toward the stocker arranged in the processing area.
  • the stocker is configured to be moved from the storage area to the processing area. Therefore, the workpiece stored in the stocker moved to the machining area can be gripped and taken out by the gripping portion that grips the workpiece during cutting. Then, cutting can be started in a state in which the gripping portion grips the workpiece stored in the stocker. Therefore, since the workpiece stored in the stocker can be taken out using the gripping portion that grips the workpiece during cutting, a dedicated mechanism for taking out the workpiece from the stocker can be omitted. can. As a result, the number of parts can be reduced.
  • FIG. 1 is a perspective view showing a cutting machine according to an embodiment.
  • FIG. 2 is a plan view showing a workpiece to which the adapter is attached.
  • FIG. 3 is a front view showing a workpiece to which the adapter is attached.
  • FIG. 4 is a cross-sectional view of the cutting machine viewed from the left.
  • FIG. 5 is a cross-sectional view of the cutting machine viewed from the left.
  • FIG. 6 is a cross-sectional view of the partition viewed from the left, and is a schematic diagram showing how the stocker moves from the storage area to the processing area.
  • FIG. 7 is a front view showing the stocker body of the stocker.
  • FIG. 8 is a perspective view schematically showing a housing portion.
  • FIG. 9 is a cross-sectional view of the cutting machine viewed from the right.
  • FIG. 10 is a plan view of the grip and support member.
  • FIG. 11 is a perspective view of a container and a grip.
  • FIG. 12 is a block diagram of a cutting machine according to the embodiment.
  • FIG. 1 is a perspective view showing a cutting machine 100 according to this embodiment.
  • Symbols F, Rr, L, R, U, and D in the drawings represent the front, rear, left, right, top, and bottom of the cutting machine 100, respectively.
  • the cutting machine 100 is arranged in an XYZ orthogonal coordinate system.
  • the X-axis direction D1 is the front-rear direction.
  • the X-axis direction D1 is inclined by a predetermined angle from the horizontal direction.
  • the X-axis direction D1 may be a horizontal direction.
  • the Y-axis direction D2 is the left-right direction.
  • the Z-axis direction D3 is the vertical direction.
  • the Z-axis direction D3 intersects (here, orthogonally) with the X-axis direction D1 and the Y-axis direction D2.
  • the Z-axis direction D3 is inclined by a predetermined angle from the vertical direction.
  • the Z-axis direction D3 may be the vertical direction.
  • the Z-axis direction D3 is an example of the first direction.
  • the X-axis direction D1 is an example of a second direction intersecting the first direction.
  • the Y-axis direction D2 is an example of a third direction that intersects the first direction and the second direction. It should be noted that the directions described above are merely directions determined for the convenience of explanation, and do not limit the manner in which the cutting machine 100 is installed, and do not limit the present invention.
  • the cutting machine 100 cuts the workpiece 5 (see FIG. 2) to produce a target object.
  • the type of object is not particularly limited, it is, for example, a crown prosthesis.
  • crown prostheses include inlays, crowns, bridges, and the like.
  • the cutting machine 100 is used in the dental field, and produces a crown prosthesis from the workpiece 5 .
  • the field in which the cutting machine 100 is used is not limited to the dental field.
  • the workpiece 5 has a plate shape extending in the X-axis direction D1 and the Y-axis direction D2.
  • the workpiece 5 is disc-shaped.
  • the workpiece 5 is made of a material such as zirconia, wax, polymethyl methacrylate resin (PMMA), hybrid resin, PEEK (polyetheretherketone resin), gypsum, or the like.
  • PMMA polymethyl methacrylate resin
  • PEEK polyetheretherketone resin
  • gypsum gypsum
  • the shape and material of the workpiece 5 are not particularly limited.
  • the workpiece 5 is attached to the adapter 6.
  • the adapter 6 is formed with a circular fitting hole 6a.
  • the workpiece 5 is attached to the adapter 6 by being fitted (for example, substantially fitted) into the fitting hole 6a.
  • the workpiece 5 is inserted into the fitting hole 6a and fixed.
  • the workpiece 5 includes the adapter 6 unless otherwise specified.
  • the front, rear, left, right, up, and down directions with respect to the workpiece 5 are based on the state in which the workpiece 5 is housed in the housing portion 210 (see FIG. 7).
  • the cutting machine 100 includes a case body 10.
  • the case body 10 is box-shaped and has a space inside.
  • FIG. 4 and 5 are cross-sectional views of the cutting machine 100 as seen from the left. 4 and 5 show a housing area AR1 and a processing area AR2 of the case body 10.
  • FIG. 4 the case main body 10 is formed with a housing area AR1 and a processing area AR2.
  • the storage area AR1 is an area for the user to store the workpiece 5 in the storage section 210 of the stocker 200, which will be described later. For example, the user holds the workpiece 5 by hand and manually stores the workpiece 5 in the storage section 210 in the storage area AR1.
  • the machining area AR2 is an area where the cutting machine 100 cuts the workpiece 5.
  • the workpiece 5 stored in the stocker 200 in the storage area AR1 moves to the processing area AR2, and the workpiece 5 is cut in the processing area AR2.
  • the accommodation area AR1 and the processing area AR2 are arranged side by side in the Z-axis direction D3. Specifically, the accommodation area AR1 is arranged above the processing area AR2. However, the positional relationship between the accommodation area AR1 and the processing area AR2 is not particularly limited.
  • the accommodation area AR1 may be arranged side by side with the processing area AR2 in the X-axis direction D1, or may be arranged side by side in the Y-axis direction D2.
  • FIG. 6 is a cross-sectional view of the partition wall 15 as seen from the left, and is a schematic diagram showing how the stocker 200 moves from the accommodation area AR1 to the processing area AR2.
  • the cutting machine 100 includes a partition wall 15 in this embodiment.
  • the partition wall 15 partitions the accommodation area AR1 and the processing area AR2.
  • the partition wall 15 is arranged between the accommodation area AR1 and the processing area AR2.
  • the partition 15 is a plate-like one extending in the X-axis direction D1 and the Y-axis direction D2.
  • a passage hole 16 is formed in the partition wall 15 .
  • the passage hole 16 is a hole through which the stocker 200 passes.
  • the passage hole 16 is a hole that penetrates the partition wall 15 in the Z-axis direction D3, and opens in the Z-axis direction D3.
  • the accommodation area AR1 and the processing area AR2 communicate with each other through the passage holes 16 .
  • the case body 10 has an opening 11 in the housing area AR1.
  • the opening 11 opens forward in the X-axis direction D1.
  • the case body 10 is provided with a door 12 capable of opening and closing the opening 11 .
  • the door 12 is supported by the case body 10 at its left end, for example.
  • the door 12 is configured to be rotatable around the left end, and by rotating around the left end, the opening 11 can be opened and closed.
  • FIG. 7 is a front view showing the stocker body 201 of the stocker 200.
  • the cutting machine 100 has a stocker 200 .
  • the stocker 200 accommodates the workpiece 5 in the cutting machine 100 that cuts the workpiece 5 .
  • a plurality of workpieces 5 can be accommodated in the stocker 200 .
  • the stocker 200 can store six workpieces 5, but the number of workpieces 5 stored in the stocker 200 is not particularly limited.
  • four workpieces 5 are stored in the stocker 200 .
  • the stocker 200 includes a stocker body 201, a stocker cover 202, and a storage section 210.
  • the stocker main body 201 has a space inside and is open forward and rearward.
  • the stocker main body 201 has a rectangular parallelepiped shape elongated in the Z-axis direction D3.
  • the shape of the stocker main body 201 is not particularly limited.
  • the stocker cover 202 covers the stocker body 201 .
  • the stocker cover 202 has a space inside and is open at least downward.
  • the stocker body 201 is configured to be movable with respect to the stocker cover 202 in the Z-axis direction D3.
  • the stocker body 201 in a state where the stocker body 201 is arranged inside the stocker cover 202, the stocker body 201 is configured to be movable downward. When the stocker body 201 moves downward, it passes through the lower opening of the stocker cover 202 .
  • the workpiece 5 is accommodated in the accommodation portion 210 .
  • one workpiece 5 is accommodated in one accommodating portion 210 .
  • the storage portion 210 is arranged inside the stocker body 201 .
  • a plurality of storage units 210 are arranged in the stocker body 201 .
  • the number of storage units 210 is not particularly limited.
  • the number of accommodation units 210 is six.
  • the plurality of housing portions 210 are arranged side by side in the Z-axis direction D3.
  • the plurality of accommodation units 210 are arranged in a straight line extending in the Z-axis direction D3 from the accommodation area AR1 toward the processing area AR2.
  • the plurality of workpieces 5 are stored so as to line up in the Z-axis direction D3.
  • the plurality of workpieces 5 are arranged in a straight line extending in the Z-axis direction D3.
  • the storage section 210 is open forward, and the user inserts the storage section 210 from the front side into the storage section 210 to store it.
  • the storage section 210 opens rearward in a state where the stocker 200 is arranged in the processing area AR2. Note that the rear surface of the stocker cover 202 is arranged behind the accommodation portion 210 when the stocker 200 is arranged in the accommodation area AR1.
  • FIG. 8 is a perspective view schematically showing the housing portion 210.
  • the housing portion 210 has a first upper wall 221 , a second upper wall 222 , a first lower wall 225 and a second lower wall 226 .
  • the first upper wall 221 constitutes the upper left portion of the housing portion 210 .
  • the second upper wall 222 constitutes the upper right portion of the housing portion 210 .
  • the first upper wall 221 and the second upper wall 222 are arranged in a state of being spaced apart in the Y-axis direction D2.
  • the first upper wall 221 and the second upper wall 222 extend in the X-axis direction D1.
  • the first lower wall 225 constitutes the lower left portion of the housing portion 210 .
  • the first lower wall 225 faces the first upper wall 221 in the Z-axis direction D3 and is separated from the first upper wall 221 in the Z-axis direction D3.
  • the first lower wall 225 is arranged below (here, directly below) the first upper wall 221 .
  • the second lower wall 226 constitutes the lower right portion of the housing portion 210 .
  • the second lower wall 226 faces the second upper wall 222 in the Z-axis direction D3 and is separated from the second upper wall 222 in the Z-axis direction D3.
  • the second lower wall 226 is arranged below (here, directly below) the second upper wall 222 .
  • the first lower wall 225 and the second lower wall 226 are arranged in a state of being spaced apart in the Y-axis direction D2.
  • the first lower wall 225 and the second lower wall 226 extend in the X-axis direction D1.
  • the front opening 211 is formed by being surrounded by the front ends of the first upper wall 221, the second upper wall 222, the first lower wall 225 and the second lower wall 226, respectively.
  • the front opening 211 opens forward.
  • a rear opening 212 is formed surrounded by respective rear ends of the first upper wall 221 , the second upper wall 222 , the first lower wall 225 and the second lower wall 226 .
  • the rear opening 212 opens rearward.
  • the user inserts the workpiece 5 through the front opening 211 .
  • the workpiece 5 inserted into the housing portion 210 through the front opening 211 is placed on the first lower wall 225 and the second lower wall 226 .
  • the workpiece 5 is accommodated in the accommodation portion 210 by being supported by the first lower wall 225 and the second lower wall 226 .
  • the stocker 200 is configured to be movable between the accommodation area AR1 and the processing area AR2.
  • the stocker body 201 and the storage section 210 of the stocker 200 are configured to be movable between the storage area AR1 and the processing area AR2.
  • the stocker cover 202 is arranged in the accommodation area AR1 and does not move to the processing area AR2.
  • movement of the stocker 200 means movement of the stocker main body 201 and the storage section 210 .
  • the cutting machine 100 includes a moving mechanism 300.
  • the moving mechanism 300 moves the stocker 200 between the accommodation area AR1 and the processing area AR2.
  • the moving mechanism 300 is configured to move the stocker 200 in the Z-axis direction D3.
  • the stocker 200 passes through the passage hole 16 of the partition wall 15 when moving between the accommodation area AR1 and the processing area AR2.
  • the configuration of the moving mechanism 300 is not particularly limited. As shown in FIG. 5, the moving mechanism 300 includes a first guide rail 301 and a first drive motor 303. As shown in FIG. The first guide rail 301 extends in the Z-axis direction D3. Here, the first guide rail 301 is arranged in a portion of the case body 10 other than the direction from the stocker 200 toward the opening 11 (here, the direction toward the front) in a state where the stocker 200 is arranged in the accommodation area AR1. It is In this embodiment, the first guide rails 301 are arranged in pairs on the left and right sides of the stocker 200 .
  • the first guide rails 301 are arranged on the inner surfaces of the left and right side walls of the stocker cover 202 so as to be arranged on the left and right sides of the stocker body 201 . 5, the first guide rail 301 on the right side is shown, and the first guide rail 301 on the left side is omitted.
  • the first guide rail 301 is arranged within the accommodation area AR1.
  • the stocker body 201 is engaged with a pair of first guide rails 301 .
  • a ball screw 305 extending in the Z-axis direction D3 is provided behind the stocker body 201 .
  • the ball screw 305 is fixed to the stocker cover 202 and engaged with the stocker body 201 .
  • a nut 302 provided on the stocker body 201 is screwed onto the ball screw 305 .
  • the nut 302 is fixed to the upper rear surface of the stocker body 201 .
  • a slide hole (not shown) extending in the Z-axis direction D3 is formed in the rear surface of the stocker cover 202 .
  • the nut 302 is fixed to the stocker body 201 through the slide hole.
  • first drive motor 303 is connected to ball screw 305 .
  • the ball screw 305 rotates around the central axis, and the stocker body 201 moves along the first guide rail 301 in the Z-axis direction D3.
  • the housing portion 210 moves in the Z-axis direction D3. In this manner, the stocker main body 201 and the storage section 210 move between the storage area AR1 and the processing area AR2.
  • FIG. 9 is a cross-sectional view of the cutting machine 100 viewed from the right.
  • the cutting machine 100 includes a gripper 400 (see FIG. 4) and a gripping movement mechanism 500 (see FIG. 9).
  • FIG. 10 is a plan view of the grip portion 400.
  • the gripper 400 grips the workpiece 5 .
  • the gripper 400 grips the adapter 6 attached to the workpiece 5 .
  • the gripping portion 400 grips the workpiece 5 during cutting, grips the workpiece 5 stored in the storage portion 210 of the stocker 200, and removes the workpiece 5 from the storage portion 210.
  • the gripper 400 is arranged in the processing area AR2.
  • the grip part 400 is arranged on the side opposite to the opening 11 with respect to the stocker 200 .
  • the gripper 400 is arranged behind the stocker 200 when the stocker 200 is arranged in the processing area AR2.
  • the shape and configuration of the grip portion 400 are not particularly limited.
  • the grip part 400 has a U-shaped shape recessed toward the rear.
  • the grip part 400 has a first clamping part 401 , a second clamping part 402 and a connecting part 403 .
  • the orientation of the gripping portion 400 when the first gripping portion 401 and the second gripping portion 402 are aligned in the Y-axis direction D2 is used as a reference.
  • the first holding portion 401 is rod-shaped and extends in the X-axis direction D1.
  • the first holding part 401 supports one end of the workpiece 5 in the Y-axis direction D2.
  • the first clamping part 401 supports the left end of the workpiece 5 .
  • the second holding part 402 is a rod-shaped one extending in the X-axis direction D1.
  • the second clamping part 402 is arranged to the right of the first clamping part 401 when the gripping part 400 is not rotated.
  • the second holding part 402 supports the other end of the workpiece 5 in the Y-axis direction D2.
  • the second holding part 402 supports the right end of the workpiece 5 .
  • the gripping portion 400 grips the workpiece 5 by sandwiching both widthwise ends of the workpiece 5 (here, both ends in the Y-axis direction D2) between the first gripping portion 401 and the second gripping portion 402. 5 is grasped.
  • the connecting portion 403 extends in the Y-axis direction D2 when the grip portion 400 is not rotated.
  • the connecting portion 403 connects the first clamping portion 401 and the second clamping portion 402 .
  • the connecting portion 403 connects the end of the first clamping portion 401 opposite to the stocker 200 and the end of the second clamping portion 402 opposite to the stocker 200 .
  • one end (here, the left end) of the connecting portion 403 is connected to the rear end of the first holding portion 401 .
  • the other end (here, the right end) of the connecting portion 403 is connected to the rear end of the second holding portion 402 .
  • a gripping movement mechanism 500 shown in FIG. 9 is a mechanism that moves the gripping part 400 in the processing area AR2.
  • the grip movement mechanism 500 moves the grip part 400 toward the stocker 200 (see FIG. 5) arranged in the processing area AR2.
  • the grip movement mechanism 500 moves the grip part 400 in the X-axis direction D1.
  • the gripping movement mechanism 500 is arranged in a portion inside the case body 10 other than the direction from the stocker 200 toward the opening 11 in a state where the stocker 200 is arranged in the accommodation area AR1.
  • the gripping and moving mechanism 500 is not arranged in the accommodation area AR1.
  • the case main body 10 is formed with a drive area AR3.
  • the driving area AR3 is arranged so as to be aligned with the processing area AR2 in the Y-axis direction D2.
  • the driving area AR3 is arranged to the right of the processing area AR2.
  • the gripping and moving mechanism 500 is arranged in the drive area AR3. That is, the gripping movement mechanism 500 is arranged to the right of the stocker 200 .
  • the configuration of the gripping and moving mechanism 500 is not particularly limited.
  • the gripping and moving mechanism 500 has a second guide rail 501, a second carriage 502, and a second drive motor 503.
  • the second guide rail 501 extends in the X-axis direction D1 in the driving area AR3. Therefore, in the state where the stocker 200 is arranged in the accommodation area AR1, the second guide rail 501 is positioned inside the case body 10 in a direction other than the direction from the stocker 200 toward the opening 11 (here, the direction toward the front from the stocker 200). is located in the part of
  • the second guide rails 501 are a pair of upper and lower guide rails, and the number of the second guide rails 501 is two.
  • the number of second guide rails 501 is not particularly limited, and may be one.
  • the second carriage 502 is slidably engaged with the second guide rail 501 .
  • the second carriage 502 is movable along the second guide rail 501 in the X-axis direction D1.
  • the second carriage 502 is connected to the gripping section 400 via a second rotating shaft 522, a support member 505, and a first rotating shaft 521, as shown in FIG. Therefore, the grip part 400 is slidable in the X-axis direction D1 with respect to the second guide rail 501 .
  • the second drive motor 503 is connected to the second carriage 502, for example.
  • the second drive motor 503 is connected to the ball screw 504 .
  • the ball screw 504 extends in the X-axis direction D1 and engages the second carriage 502 .
  • a nut (not shown) provided on, for example, the second carriage 502 is screwed onto the ball screw 504 .
  • the ball screw 504 rotates around the central axis, and the second carriage 502 moves along the second guide rail 501 in the X-axis direction D1.
  • the grip part 400 also moves in the X-axis direction D1.
  • the grip movement mechanism 500 is configured to move the grip part 400 along the second guide rail 501 during cutting. Further, the gripping movement mechanism 500 is configured to move the gripping part 400 along the second guide rails 501 when gripping the workpiece 5 housed in the housing part 210 by the gripping part 400 .
  • the support member 505 is arranged in the processing area AR2 and supports the grip part 400.
  • the support member 505 has a first portion 511 extending in the Y-axis direction D2 and a second portion 512 extending in the X-axis direction D1.
  • the first portion 511 is arranged behind the grip portion 400 .
  • the first portion 511 is connected to the grip portion 400 via the first rotating shaft 521 .
  • the first rotating shaft 521 extends in the X-axis direction D1.
  • the first rotation shaft 521 extends forward from the first portion 511 of the support member 505 and is connected to the grip portion 400 .
  • One end of the first rotating shaft 521 is connected to the connecting portion 403 of the grip portion 400 .
  • the other end of the first rotation shaft 521 is connected to the support member 505 (specifically, the first portion 511).
  • the grip part 400 is configured to be rotatable about the first rotating shaft 521 with respect to the supporting member 505 .
  • the second portion 512 of the support member 505 is arranged on the right side of the first portion 511 and connected to the front portion of the right end portion of the first portion 511 .
  • the second portion 512 is arranged on the right side of the grip portion 400 and extends forward from the first portion 511 .
  • the support member 505 is formed in an L shape by a first portion 511 and a second portion 512 .
  • the second portion 512 of the support member 505 is connected to the second carriage 502 (see FIG. 9) via the second rotating shaft 522.
  • the second rotating shaft 522 extends in the Y-axis direction D2.
  • the second rotating shaft 522 extends rightward from the second portion 512 .
  • One end of the second rotating shaft 522 is connected to the support member 505 (the second portion 512 here), and the other end of the second rotating shaft 522 is connected to the second carriage 502 .
  • the support member 505 is configured to be rotatable around the second rotating shaft 522 .
  • the grip part 400 similarly rotates around the second rotation shaft 522 .
  • the grip part 400 when the stocker 200 is arranged in the processing area AR2, the grip part 400 is arranged on one side (here, the rear side) of the stocker 200 in the X-axis direction D1. ing.
  • the position of the grip part 400 when it is arranged behind the stocker 200 is referred to as a first position P1 (see FIG. 4).
  • the first position P1 is the position of the grip portion 400 when the grip portion 400 is arranged at the rearmost position.
  • the second position P2 when the stocker 200 is arranged in the processing area AR2, the position of the gripping part 400 when gripping the workpiece 5 accommodated in the accommodating part 210 is It is called the second position P2.
  • the second position P2 is positioned ahead of the first position P1 in the X-axis direction D1.
  • the second position P2 is a position where the gripping portion 400 grips the workpiece 5 while the workpiece 5 is stored in the storage portion 210 .
  • FIG. 11 is a perspective view of the housing portion 210 and the grip portion 400.
  • FIG. FIG. 11 shows a state in which the gripping part 400 is about to grip the workpiece 5 housed in the housing part 210 .
  • the position of the gripping part 400 when the gripping part 400 moves further forward is arranged in the housing part 210, and grips the workpiece 5 is the second position P2.
  • the gripping movement mechanism 500 shown in FIG. 9 is configured to move the gripping portion 400 between a first position P1 (see FIG. 4) and a second position P2 (see FIG. 11). .
  • the gripping portion 400 is configured to be movable in the X-axis direction D1 during cutting.
  • the grip movement mechanism 500 is configured to move the grip portion 400 by a first distance D11 in the X-axis direction D1 during cutting.
  • the gripping movement mechanism 500 is configured to move the gripping portion 400 by a second distance D12 in the X-axis direction D1 when gripping the workpiece 5 housed in the housing portion 210 .
  • the second distance D12 is longer than the first distance D11.
  • the first distance D11 is a distance forward in the X-axis direction D1 with the first position P1 as a starting point.
  • the second distance D12 is the distance from the first position P1 to the second position P2. Therefore, it can be said that the first distance D11 is shorter than the distance from the first position P1 to the second position P2.
  • the processing area AR2 is provided with a spindle having a tool gripping portion for gripping a rod-shaped processing tool having a blade portion at its tip.
  • the spindle rotates the processing tool about the central axis of the processing tool.
  • the spindle and the gripper 400 are configured to be relatively movable in three-dimensional directions in the processing area AR2.
  • during cutting means that the machining tool gripped by the tool gripping portion of the spindle is moved to the gripping portion 400 while changing the relative positional relationship between the spindle and the gripping portion 400 in the processing area AR2. It refers to cutting the workpiece 5 by bringing it into contact with a desired portion of the gripped workpiece 5 and cutting the workpiece 5 into a desired shape.
  • FIG. 12 is a block diagram of the cutting machine 100 according to this embodiment.
  • the cutting machine 100 includes a control device 110.
  • the control device 110 is a device that controls the cutting of the workpiece 5 .
  • the control device 110 is a device that controls the movement of the stocker 200 between the accommodation area AR1 and the processing area AR2 and the gripping of the workpiece 5 by the gripper 400 .
  • the configuration of control device 110 is not particularly limited.
  • the control device 110 is, for example, a microcomputer.
  • the control device 110 includes, for example, an I/F, a CPU, a ROM, a RAM, and a storage device.
  • the control device 110 is provided inside the case body 10 .
  • the control device 110 may be a computer or the like installed outside the case body 10 .
  • the control device 110 is communicably connected to the cutting machine 100 via wire or wireless.
  • control device 110 is communicably connected to the movement mechanism 300 and the gripping movement mechanism 500 .
  • the control device 110 controls the movement mechanism 300 to move the stocker 200 in the Z-axis direction D3.
  • the control device 110 controls the grip movement mechanism 500 to move the grip portion 400 in the X-axis direction D1.
  • the control device 110 includes at least a storage unit 120, a first movement control unit 121, a second movement control unit 122, and a stocker movement control unit 123.
  • the storage unit 120, the first movement control unit 121, the second movement control unit 122, and the stocker movement control unit 123 may be configured by software or may be configured by hardware.
  • the storage unit 120, the first movement control unit 121, the second movement control unit 122, and the stocker movement control unit 123 may be performed by one or more processors or may be incorporated into circuits. can be anything.
  • the stocker 200 when the user manually stores the workpiece 5 in the storage portion 210 of the stocker 200, the stocker 200 is arranged in the storage area AR1. At this time, the user first operates the door 12 (see FIG. 1) supported by the case body 10 to open the opening 11 . This allows the storage portion 210 of the stocker 200 to be accessed from the front through the front opening 211 (see FIG. 8). In this state, the user holds the workpiece 5 by hand, inserts the workpiece 5 into the storage section 210 from the front opening 211 of the storage section 210 through the opening 11 , and stores the workpiece 5 in the storage section 210 . After accommodating the workpiece 5 in the accommodating portion 210, the door 12 is closed to close the opening portion 11. - ⁇
  • the stocker movement control unit 123 in FIG. 12 controls the movement mechanism 300 to move the stocker 200 (more specifically, the stocker main body 201) downward to move the stocker 200 to the processing area AR2 as shown in FIG. Deploy.
  • the workpiece 5 stored in the storage part 210 is caused to grip the grip part 400 and the workpiece 5 is taken out from the storage part 210.
  • the second movement control unit 122 moves the gripping part 400 along the second guide rail 501 (see FIG. 9) when the gripping part 400 grips the workpiece 5 housed in the housing part 210. .
  • the gripper 400 is arranged at the first position P1 (see FIG. 4) located behind the stocker 200.
  • the second movement control section 122 controls the gripping movement mechanism 500 to move the gripping section 400 forward in the X-axis direction D1 by a second distance D12.
  • the grip portion 400 reaches the second position P2, is inserted into the housing portion 210 from the rear opening 212 (see FIG. 8) of the housing portion 210, and is housed in the housing portion 210 at the second position P2.
  • the workpiece 5 is gripped.
  • the gripping part 400 grips the workpiece 5 from behind the housing part 210 .
  • the second movement control part 122 controls the gripping movement mechanism 500 to move the gripping part 400 rearward in the X-axis direction D1. .
  • the gripping part 400 moves away from the housing part 210 rearward while gripping the workpiece 5 . Therefore, the workpiece 5 is taken out from the housing portion 210 .
  • the stocker movement control unit 123 in FIG. 12 controls the movement mechanism 300 to move the stocker 200 upward and place it in the accommodation area AR1.
  • the cutting of the workpiece 5 is started.
  • the first movement control section 121 in FIG. 12 moves the gripping section 400 along the second guide rail 501 (see FIG. 9) during cutting.
  • the distance that the grip part 400 can move in the X-axis direction D1 during cutting is a first distance D11 (see FIG. 4).
  • the machining tool gripped by the tool gripping portion of the spindle is moved while changing the relative positional relationship between the gripping portion 400 and the spindle based on the machining data stored in the storage portion 120.
  • the workpiece 5 is cut into a desired shape while being brought into contact with the workpiece 5 gripped by the gripping portion 400 .
  • the cutting machine 100 includes the stocker 200 (see FIG. 7), the case main body 10 (see FIG. 1), the moving mechanism 300 (see FIG. 4), and the grip portion 400 (see FIG. 10). and a gripping and moving mechanism 500 (see FIG. 9).
  • the stocker 200 has a storage portion 210 in which the workpiece 5 is stored.
  • the case main body 10 is formed with an accommodation area AR1 in which the user accommodates the workpiece 5 in the accommodation portion 210 and a processing area AR2 in which the workpiece 5 is cut.
  • the moving mechanism 300 moves the stocker 200 between the accommodation area AR1 and the processing area AR2.
  • FIG. 7 the case main body 10
  • the moving mechanism 300 moves the stocker 200 between the accommodation area AR1 and the processing area AR2.
  • the gripper 400 is arranged in the processing area AR2 and grips the workpiece 5 during cutting.
  • the gripping movement mechanism 500 of FIG. 9 moves the gripping part 400 toward the stocker 200 arranged in the processing area AR2.
  • the stocker 200 is configured to be moved from the accommodation area AR1 to the processing area AR2. Therefore, the workpiece 5 stored in the stocker 200 moved to the machining area AR2 can be gripped and taken out by the gripper 400 that grips the workpiece 5 during cutting. Then, cutting can be started while the workpiece 5 stored in the stocker 200 is gripped by the gripper 400 .
  • the workpiece 5 stored in the stocker 200 can be taken out by using the gripping part 400 that grips the workpiece 5 during cutting, a dedicated tool for taking out the workpiece 5 from the stocker 200 can be used. mechanism can be omitted. As a result, the number of parts can be reduced.
  • the accommodation area AR1 and the processing area AR2 are arranged side by side in the Z-axis direction D3.
  • the moving mechanism 300 moves the stocker 200 in the Z-axis direction D3. Accordingly, by linearly moving the stocker 200 in the Z-axis direction D3, it can be moved between the accommodation area AR1 and the processing area AR2.
  • the grip movement mechanism 500 in FIG. 9 moves the grip part 400 in the X-axis direction D1 that intersects the Z-axis direction D3.
  • the gripping movement mechanism 500 is moved to the first position where the gripping part 400 is located on one side (here, the rear side) of the stocker 200 in the X-axis direction D1.
  • the gripping part 400 is moved between P1 (see FIG. 4) and a second position P2 (see FIG. 5) where the gripping part 400 grips the workpiece 5 housed in the housing part 210 .
  • the grip part 400 is kept waiting at the first position P1. This can prevent the gripping part 400 from interfering with the stocker 200 when the stocker 200 is arranged in the processing area AR2.
  • the gripping part 400 can grip the workpiece 5 stored in the storage part 210 of the stocker 200, and The workpiece 5 can be taken out.
  • the gripping movement mechanism 500 is configured to move the gripping portion 400 in the X-axis direction D1 by a first distance D11 (see FIG. 4) during cutting, and is housed in the housing portion 210.
  • the gripper 400 is moved in the X-axis direction D1 by a second distance D12 (see FIG. 4) longer than the first distance D11.
  • the gripping portion 400 that grips the workpiece 5 can be used to cut the workpiece 5 stored in the storage portion 210 during cutting. A workpiece 5 can be removed.
  • the workpiece 5 has a plate-like shape extending in the Y-axis direction D2 intersecting the Z-axis direction D3 and the X-axis direction D1, and in the X-axis direction D1.
  • the grip part 400 has a first clamping part 401 , a second clamping part 402 and a connecting part 403 .
  • the first holding portion 401 supports one end (here, the left end) of the workpiece 5 in the Y-axis direction D2 and extends in the X-axis direction D1.
  • the second holding portion 402 supports the other end (here, the right end) of the workpiece 5 in the Y-axis direction D2 and extends in the X-axis direction D1.
  • the connecting portion 403 includes an end (rear end) of the first clamping portion 401 opposite to the stocker 200 and an end (rear end) of the second clamping portion 402 opposite to the stocker 200 . concatenate
  • the gripping section 400 can grip the workpiece 5 accommodated in the storage section 210 by sandwiching the workpiece 5 between the first gripping section 401 and the second gripping section 402 .
  • the cutting machine 100 includes a first rotary shaft 521 and a support member 505.
  • the first rotating shaft 521 extends in the X-axis direction D1.
  • One end of the first rotating shaft 521 is connected to the connecting portion 403 of the grip portion 400 .
  • the support member 505 is connected to the other end of the first rotating shaft 521 and supports the grip part 400 .
  • the grip part 400 is configured to be rotatable about the first rotating shaft 521 with respect to the supporting member 505 . As a result, the gripping part 400 can grip the workpiece 5 without the first rotating shaft 521 interfering with the workpiece 5, and the gripping part 400 can be rotated around the first rotating shaft 521. be able to.
  • the cutting machine 100 includes a second rotating shaft 522 connected to the support member 505 and extending in the Y-axis direction D2.
  • the support member 505 is configured to be rotatable around the second rotating shaft 522 . This allows the gripping portion 400 to be rotated around the second rotating shaft 522 together with the supporting member 505 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Feeding Of Workpieces (AREA)
  • Machine Tool Units (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Abstract

La présente invention permet de saisir et de couper une pièce à travailler reçue dans un dispositif de stockage tout en réduisant le nombre de pièces à cet effet. Une machine de coupe (100) comprend : un dispositif de stockage (200) qui présente une partie de réception (210) permettant de recevoir une pièce à travailler (5) ; un corps de boîtier (10) dans lequel une zone de réception (AR1) permettant à un utilisateur de recevoir la pièce à travailler (5) dans la pièce de réception (210) et une zone de traitement (AR2) permettant de couper la pièce à travailler (5) sont formées ; un mécanisme de mouvement (300) qui déplace le dispositif de stockage (200) entre la zone de réception (AR1) et la zone de traitement (AR2) ; une partie de préhension (400) qui est placée dans la zone de traitement (AR2) et qui saisit la pièce à travailler (5) à couper ; et un mécanisme de mouvement de préhension (500) qui déplace la partie de préhension (400) vers le dispositif de stockage (200) placé dans la zone de traitement (AR2).
PCT/JP2023/007019 2022-02-28 2023-02-27 Machine de coupe WO2023163163A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022029437A JP2023125385A (ja) 2022-02-28 2022-02-28 切削加工機
JP2022-029437 2022-02-28

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WO2023163163A1 true WO2023163163A1 (fr) 2023-08-31

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JP (1) JP2023125385A (fr)
WO (1) WO2023163163A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2955798A1 (fr) * 2010-02-03 2011-08-05 Empp Ind Poste de desserte de paletttes.
US20110280692A1 (en) * 2009-01-16 2011-11-17 Wieland Dental + Technik Gmbh & Co. Kg Machine tool having workpiece hopper
JP2017013191A (ja) * 2015-07-02 2017-01-19 白銅株式会社 加工設備
US20180236620A1 (en) * 2017-02-03 2018-08-23 vhf camfacture Aktiengesellschaft Dental Milling Machine
JP2020066118A (ja) * 2018-10-26 2020-04-30 オークマ株式会社 工作機械

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110280692A1 (en) * 2009-01-16 2011-11-17 Wieland Dental + Technik Gmbh & Co. Kg Machine tool having workpiece hopper
FR2955798A1 (fr) * 2010-02-03 2011-08-05 Empp Ind Poste de desserte de paletttes.
JP2017013191A (ja) * 2015-07-02 2017-01-19 白銅株式会社 加工設備
US20180236620A1 (en) * 2017-02-03 2018-08-23 vhf camfacture Aktiengesellschaft Dental Milling Machine
JP2020066118A (ja) * 2018-10-26 2020-04-30 オークマ株式会社 工作機械

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