WO2023149054A1 - 工具取付ユニット - Google Patents

工具取付ユニット Download PDF

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Publication number
WO2023149054A1
WO2023149054A1 PCT/JP2022/042991 JP2022042991W WO2023149054A1 WO 2023149054 A1 WO2023149054 A1 WO 2023149054A1 JP 2022042991 W JP2022042991 W JP 2022042991W WO 2023149054 A1 WO2023149054 A1 WO 2023149054A1
Authority
WO
WIPO (PCT)
Prior art keywords
ball
guide groove
connecting shaft
tool
shaft portion
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/JP2022/042991
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
俊明 肥高
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.)
Nitto Kohki Co Ltd
Original Assignee
Nitto Kohki Co 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 Nitto Kohki Co Ltd filed Critical Nitto Kohki Co Ltd
Priority to KR1020247025866A priority Critical patent/KR20240129041A/ko
Priority to JP2023578386A priority patent/JP7735440B2/ja
Priority to CN202280090711.5A priority patent/CN118632757A/zh
Publication of WO2023149054A1 publication Critical patent/WO2023149054A1/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
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
    • B23B31/1071—Retention by balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
    • 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
    • B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general

Definitions

  • the present invention relates to a tool mounting unit including a tool adapter and a unit body to which the tool adapter is detachably connected.
  • Patent Document 1 In order to solve such problems, devices have been developed that eliminate the need for precise alignment in the circumferential direction.
  • a tool adapter instrument retainer
  • the end surface of the connecting shaft portion is formed into a star shape.
  • the tool adapter will rotate properly so that the grooves are aligned with the balls, but not when the balls are exactly in the middle of adjacent grooves.
  • the ball hits the end surface of the tool adapter and the tool adapter does not rotate in either direction, and there is a possibility that the tool adapter cannot be attached.
  • the star-shaped end face of the tool adapter has a very thin shape between the grooves, so there is a risk of denting or bending if the ball repeatedly hits that part. . Then, there is a possibility that the tool adapter cannot be attached properly.
  • an object of the present invention is to provide a tool mounting unit that can solve at least one of the above-described problems of the prior art.
  • a tool mounting unit comprising a tool adapter and a unit body to which the tool adapter is detachably connected
  • the tool adapter is a connecting shaft; a guide groove formed on the outer peripheral surface of the connecting shaft portion and having an inclined portion extending obliquely along the outer peripheral surface with respect to the longitudinal axis of the connecting shaft portion; a connecting recess formed on the outer peripheral surface of the connecting shaft; with
  • the unit body is a tubular wall portion defining an insertion hole extending rearwardly from a front end opening adapted to receive said connecting shaft portion and having a first ball retaining hole and a second ball retaining hole extending radially therethrough; In the first ball holding hole, an engaging position protruding radially inward from the inner peripheral surface of the cylindrical wall portion and engaging with the guide groove, and a position radially outward from the engaging position.
  • a first ball arranged to be displaceable between a release position that does not engage with the guide groove; In the second ball holding hole, an engagement position where the coupling recess protrudes radially inward from the inner peripheral surface of the cylindrical wall portion and engages with the connecting recess, and a position radially outside the engagement position.
  • a second ball arranged to be displaceable between a release position that does not engage with the connecting recess; Displaceable between a disconnection position and a connection position on the outside of the tubular wall, the first ball and the second ball being displaced to the release position at the disconnection position, At an intermediate position between the disconnection position and the connection position, the first ball is held at the engagement position and the second ball is allowed to be displaced to the release position.
  • a sleeve adapted to hold one ball and said second ball in said engaged position; with With the sleeve at the disconnecting position, the connecting shaft portion of the tool adapter is inserted into the insertion hole of the unit body, and the inclined portion of the guide groove is aligned with the first ball. When the first ball is pushed by the sleeve to reach the engagement position, the first ball is engaged with the guide groove at the inclined portion, and the sleeve is displaced to the intermediate position to move the connecting shaft portion to the guide position.
  • the connecting recess is positioned to align with the second ball, and the second ball is pushed by the sleeve to reach the engaging position and the connecting position.
  • a tool mounting unit is provided in which the sleeve is displaced to the coupling position while engaging with the recess.
  • a guide groove having an inclined portion is formed in the connecting shaft portion of the tool adapter, and when the first ball of the unit main body is engaged with the guide groove, the connecting concave portion of the connecting shaft portion moves toward the unit.
  • a connecting shaft is guided to align with the second ball of the body. Therefore, it is not necessary to precisely match the position of the tool adapter with respect to the unit main body in the circumferential direction, and the tool adapter can be easily connected to the unit main body.
  • the connecting operation is performed in a state in which the first ball and the second ball are permitted to be displaced to the released position or in a state in which the first ball and the second ball are in the released position, the first ball and the second ball are not attached to the connecting shaft portion. There is no risk of damage to the connecting shaft due to collision.
  • a plurality of the guide grooves are arranged at equal intervals in the circumferential direction, and the circumferential range in which each guide groove is formed on the outer peripheral surface of the connecting shaft portion is the same as that of another adjacent guide groove. It can be partially overlapped with the formed circumferential extent.
  • the first ball comes to engage with any of the guide grooves no matter where the tool adapter is inserted into the unit main body in the circumferential direction. Therefore, it is possible to perform appropriate connection without adjusting the positions of the tool adapters in the circumferential direction.
  • the inclined portion of the guide groove may be formed spirally over at least one round on the outer peripheral surface of the connecting shaft portion.
  • the first ball comes to engage with any position of the guide groove even if the tool adapter is inserted into the unit main body at any position in the circumferential direction. Therefore, it is possible to perform appropriate connection without adjusting the positions of the tool adapters in the circumferential direction.
  • the guide groove has a parallel portion extending forward from the front end of the inclined portion in parallel with the longitudinal axis, and when the second ball engages with the connecting recess, the first ball moves in the parallel direction. It is possible to engage with the guide groove at a portion.
  • first ball is engaged with the guide groove to fix the tool adapter to the unit body in the circumferential direction of the tool adapter
  • the second ball is engaged with the connecting recess to fix the tool adapter to the unit body.
  • the tool adapter can be fixed to the unit body in the direction of the longitudinal axis.
  • first ball and the second ball can be positioned at mutually shifted positions in the circumferential direction and the longitudinal axis direction of the tubular wall portion.
  • the unit main body further includes a pressing member arranged displaceably in the direction of the longitudinal axis of the tubular wall portion within the insertion hole, and a biasing member that biases the pressing member forward, The pressing member may press the connecting shaft portion forward when the connecting shaft portion is inserted into the insertion hole.
  • the pressing member further has a front end portion and a protrusion provided at the front end portion and protruding forward at a radially center position of the front end portion, and the connecting shaft portion is inserted into the insertion hole.
  • the protrusion may be in contact with the end surface of the connecting shaft portion at the center position in the radial direction.
  • the connecting shaft portion and the pressing member come into contact only at their radial center position, and when the connecting shaft portion rotates during the connecting operation, the pressing member receives almost no force in the rotational direction. It will not be transmitted. Therefore, it is possible to prevent the pressing member from rotating with the rotation of the connecting member.
  • the unit body further comprises a biasing member that biases the sleeve in a direction from the disconnection position toward the connection position;
  • the pressing member supports the first and second balls from the radially inner side and holds them at the release position in a state in which the connecting shaft portion is not inserted into the insertion hole, The sleeve is held at the disconnecting position by being pressed in a direction toward the connecting position against the first ball held at the releasing position by the pressing member, and the first ball moves to the engaging position.
  • the outer peripheral surface of the connecting shaft portion presses the second ball held at the released position in a direction toward the connecting position so that the second ball is held at the intermediate position.
  • FIG. 5 is a diagram showing a state in which the tool mounting unit according to one embodiment of the present invention is mounted on a machine tool, and is a cross-sectional view taken along line BB in FIG. 4;
  • FIG. 5 is a diagram of a tool mounting unit according to one embodiment of the present invention, and is a cross-sectional view taken along line CC of FIG. 4; It is an external appearance side view of a tool adapter.
  • FIG. 4 is a developed view of the outer peripheral surface of the connecting shaft portion of the tool adapter;
  • FIG. 2 is a cross-sectional view taken along line AA of FIG. 1;
  • FIG. 5 is a cross-sectional view taken along line BB of FIG.
  • FIG. 5 is a cross-sectional view taken along line CC of FIG. 4 in a state in which the tool adapter is halfway inserted into the unit main body;
  • FIG. 5 is a cross-sectional view taken along line BB of FIG. 4 in a state where the tool adapter is connected to the unit body;
  • FIG. 5 is a sectional view taken along line CC of FIG. 4 in a state where the tool adapter is connected to the unit body;
  • a tool mounting unit 1 according to one embodiment of the present invention, as shown in FIG. 1A, comprises a tool adapter 10 and a unit body 12 to which the tool adapter 10 is detachably connected.
  • a tool such as a drill or a grinding wheel is attached to the tool adapter 10 .
  • the unit main body 12 is attached to a unit attachment portion 14 of a machine tool so as to be rotationally driven by the machine tool.
  • the tool adapter 10 consists of an adapter body 16 and a cap 18 screwed onto the tip of the adapter body 16, as shown in FIGS.
  • the adapter main body 16 has a connecting shaft portion 20 inserted into the unit main body 12, a tool fixing portion 22 for fixing a tool, and a flange 24 provided therebetween.
  • the tool fixing portion 22 constitutes a collet chuck in which a plurality of slots are formed. The tool is fixed to the tool fixing portion 22 by tightening the cap 18 to the tool fixing portion 22 while inserting an arbitrary tool into the tool mounting hole 26 of the tool fixing portion 22 .
  • a guide groove 28 and a connecting concave portion 30 are formed on the outer peripheral surface 20a of the connecting shaft portion 20 of the adapter body 16, as shown in FIGS.
  • Three guide grooves 28 and three connecting recesses 30 are provided at equal intervals in the circumferential direction.
  • Each guide groove 28 has an inclined portion 32 extending obliquely with respect to the longitudinal axis L, and a parallel portion 34 extending parallel to the longitudinal axis L forward (upward in the drawing) from the front end of the inclined portion 32 .
  • the first guide groove 28-1 is formed in a circumferential range W1 from a position P1 to a position P2 on the outer peripheral surface 20a of the connecting shaft portion 20. As shown in FIG.
  • the second guide groove 28-2 is formed in a circumferential range W2 from a position P3 to a position P4 on the outer peripheral surface 20a of the connecting shaft portion 20.
  • a third guide groove 28-3 is formed in a circumferential range W3 from a position P5 to a position P6 on the outer peripheral surface 20a of the connecting shaft portion 20.
  • the circumferential range W1 of the guide groove 28-1 partially overlaps the circumferential range W2 of the adjacent guide groove 28-2 and the circumferential range W3 of the adjacent guide groove 28-3. ing.
  • each guide groove 28 (28-1, 28-2, 28-3) is the same as that of another adjacent guide groove 28 (28-1, 28-2, 28 -3) in the circumferential direction W (W1, W2, W3).
  • the unit body 12 as shown in FIG. 1A, has a tubular wall portion 40 extending rearwardly (downwardly as viewed in the drawing) from the front end opening 36 and defining an insertion hole 38 adapted to receive the connecting shaft portion 20; A sleeve 42 arranged on the outer peripheral surface 40 a of the tubular wall portion 40 and a pressing member 44 arranged in the insertion hole 38 are provided.
  • the cylindrical wall portion 40 is rotatably attached to the unit attachment portion 14 of the machine tool via two ball bearings 46 .
  • a bevel gear 48 is press-fitted onto the outer peripheral surface 40a of the cylindrical wall portion 40, and the bevel gear 48 meshes with a bevel gear 50 connected to the motor of the machine tool.
  • the unit main body 12 is drivingly connected to the motor of the machine tool through these bevel gears 48 and 50, and when the motor of the machine tool is driven, the unit main body 12 rotates.
  • the cylindrical wall portion 40 has a first ball holding hole 52 (FIGS. 1A, 4) and a second ball holding hole 54 (FIG. 1B) extending radially therethrough. ) are formed, and a first ball 56 and a second ball 58 are held in the first ball holding hole 52 and the second ball holding hole 54, respectively.
  • the first ball holding hole 52 and the second ball holding hole 54, and the first balls 56 and the second balls 58 held by them are arranged in three at equal intervals in the circumferential direction.
  • the second ball 58 is offset from the first ball 56 in the circumferential direction and the longitudinal axis L direction of the tubular wall portion 40 .
  • the pressing member 44 arranged in the insertion hole 38 of the tubular wall portion 40 is pressed forward by a spring (biasing member) 60 . 1A and 1B, the pressing member 44 is positioned radially inside the first ball 56 and the second ball 58, and supports the first ball 56 and the second ball 58 from the radial inside. holding it in the released position.
  • a contact ball 64 is fitted to the front end portion 62 of the pressing member 44, and the contact ball 64 forms a protrusion 64a projecting forward.
  • the sleeve 42 arranged on the outside of the cylindrical wall portion 40 is urged forward by a spring (biasing member) 66, and the engagement stepped portion 68 formed on the inner peripheral surface 42a of the sleeve 42 is in the release position.
  • the sleeve 42 is held in this uncoupled position by pressing the engagement stepped portion 68 against the first ball 56 by the biasing force of the spring 66 .
  • the sleeve 42 moves from the uncoupled position of FIGS. 1A and 1B, through the intermediate positions of FIGS. , and can be displaced in the direction of the longitudinal axis L to the connecting position of FIG. 6B.
  • the connecting shaft portion 20 of the tool adapter 10 As the connecting shaft portion 20 of the tool adapter 10 is inserted into the insertion hole 38 of the unit main body 12, the rear end surface 20b of the connecting shaft portion 20 is positioned at the radial center position of the contact ball 64 of the pressing member 44. It abuts on the protrusion 64a.
  • the connecting shaft portion 20 is further inserted into the insertion hole 38 while pushing the pressing member 44 against the urging force of the spring 60 , the first ball 56 comes into contact with any portion of the inclined portion 32 of the guide groove 28 . consistent position.
  • the first ball 56 which is pressed radially inward by the engaging stepped portion 68 of the sleeve 42, protrudes radially inward from the inner peripheral surface 40b of the cylindrical wall portion 40, as shown in FIG. 5A. Then, it is displaced radially inward into the guide groove 28 and becomes an engagement position where it engages with the guide groove 28 .
  • the engaging stepped portion 68 of the sleeve 42 is no longer engaged with the first ball 56 , and the sleeve 42 is displaced forward by the biasing force of the spring 66 . As shown in FIG.
  • the second ball 58 is supported from the radially inner side by the outer peripheral surface 20a of the connecting shaft portion 20 and held at the release position. Therefore, the sleeve 42 is displaced to an intermediate position where the engaging stepped portion 68 engages the second ball 58 .
  • the sleeve 42 is held in this intermediate position by the biasing force of the spring 66 pressing the engaging shoulder 68 against the second ball.
  • the sleeve 42 When the sleeve 42 is in this intermediate position, it supports the first ball 56 from the outside in the radial direction and retains it in the engaged position as shown in FIG. 5A.
  • the connecting shaft portion 20 When the connecting shaft portion 20 is further inserted into the insertion hole 38 , the connecting shaft portion 20 is guided by the guide groove 28 and rotated in the direction of the guide groove 28 because the first ball 56 is engaged with the guide groove 28 . It advances through the insertion hole 38 while doing so.
  • the connecting shaft portion 20 When the connecting shaft portion 20 is inserted to the mounting position where the flange 24 of the tool adapter 10 abuts against the front end surface 40c of the cylindrical wall portion 40, the first ball 56 passes through the front end of the inclined portion 32 of the guide groove 28 and is guided. A parallel portion 34 of the groove 28 is reached. At this time, the second ball 58 is aligned with the connecting recess 30 .
  • the second ball 58 which is pressed radially inward by the engaging stepped portion 68 of the sleeve 42, protrudes from the inner peripheral surface 40b of the cylindrical wall portion 40, as shown in FIG. 6B. It is displaced radially inward and becomes an engaging position where it engages with the connecting recess 30 .
  • the engaging stepped portion 68 of the sleeve 42 is no longer engaged with the second ball 58 , and the engaging stepped portion 68 of the sleeve 42 is moved by the biasing force of the spring 66 to the stop ring. It is displaced to the coupling position where it engages 70 .
  • the sleeve 42 supports the first ball 56 and the second ball 58 from the outside in the radial direction and retains them in the engaged position as shown in FIGS. 6A and 6B.
  • the engagement of the first ball 56 with the guide groove 28 at the parallel portion 34 fixes the tool adapter 10 to the unit body 12 in the circumferential direction.
  • the tool adapter 10 is fixed to the unit main body 12 in the direction of the longitudinal axis L by engaging the second ball 58 with the connecting recess 30 .
  • the tool adapter 10 is thus connected to the unit body 12 .
  • the sleeve 42 When removing the tool adapter 10 from the unit main body 12, the sleeve 42 is positioned radially outside the engaging position of the first ball 56 and the second ball 58, and is released so that it does not engage with the guide groove 28 and the connecting recess 30.
  • the tool adapter 10 is pulled out from the insertion hole 38 in a state of being displaced to the disconnection position that allows displacement to the position.
  • the tool adapter 10 When inserting the connecting shaft portion 20 of the tool adapter 10 into the insertion hole 38 , after the first ball 56 is engaged with the guide groove 28 , the tool adapter 10 advances while rotating with respect to the unit main body 12 . go. Therefore, the tool adapter 10 rotates relative to the pressing member 44 . However, since the rear end surface 20b of the connecting shaft portion 20 and the projection 64a of the pressing member 44 are in contact with each other at the center position in the radial direction, almost no rotational force from the tool adapter 10 is transmitted to the pressing member 44. Therefore, even if the tool adapter 10 rotates, the pressing member 44 does not substantially rotate.
  • FIG. 3 shows the first ball 56 moving with respect to the guide groove 28, the guide groove 28 actually moves with respect to the first ball 56 at the fixed position.
  • the first ball 56 is supported from the inside in the radial direction by the outer peripheral surface 44a of the pressing member 44 or the outer peripheral surface 20a of the connecting shaft portion 20 and held at the release position. (Fig. 1A).
  • the connecting shaft portion 20 When the connecting shaft portion 20 is further inserted, the connecting shaft portion 20 rotates along the inclined portion 32 of the guide groove 28 due to the engagement of the first ball 56 with the inclined portion 32 of the guide groove 28. move on.
  • the first ball 56 reaches the front end position B4 of the inclined portion 32 of the guide groove 28, the rotation of the connecting shaft portion 20 stops.
  • the second ball 58 is aligned with the connecting recess 30 .
  • the engagement between the first ball 56 and the guide groove 28 causes the second ball 58 to engage with the connecting concave portion 30 , thereby moving the connecting shaft.
  • a section 20 is introduced. Further, as described above, the circumferential ranges W (W1, W2, W3) of the guide grooves 28 (28-1, 28-2, 28-3) on the outer peripheral surface 20a of the connecting shaft portion 20 are adjacent to each other.
  • the first ball 56 and the guide groove 28 (28 -1, 28-2, and 28-3) in the circumferential direction the first ball 56 remains in one of the guide grooves 28 (28 -1, 28-2, 28-3). That is, no matter where the tool adapter 10 is inserted into the unit main body 12 in the circumferential direction, the first ball 56 is engaged with the guide groove 28 and the second ball 58 is thereby engaged with the connecting recess 30. Therefore, it is possible to perform appropriate connection without adjusting the position of the tool adapter 10 in the circumferential direction.
  • the second ball positioned forward of the first ball 56 may pass over the guide groove 28 before the first ball 56 engages with the guide groove 28, but at that time the sleeve 42 is disconnected. Since the position is held and the second ball 58 is allowed to be displaced to the release position, even if the second ball 58 is temporarily engaged with the guide groove 28, the guide groove 28 immediately releases the second ball 58. will be pushed radially outwardly to return to the release position. Further, after the first ball 56 is engaged with the guide groove 28 , the second ball 58 moves on the outer peripheral surface 20 a of the connecting shaft portion 20 and reaches the connecting concave portion 30 .
  • the guide groove 28 having the inclined portion 32 is formed in the connecting shaft portion 20 of the tool adapter 10, and the first ball 56 that engages with the guide groove 28 is provided in the unit main body 12.
  • the connecting shaft portion 20 is guided so that the connecting concave portion 30 of the connecting shaft portion 20 engages with the second ball 58 of the unit main body 12 . It's becoming Therefore, it is not necessary to precisely match the position of the tool adapter 10 with respect to the unit body 12 in the circumferential direction.
  • the tool adapter 10 is positioned relative to the unit main body 12. is inserted at any position in the circumferential direction, the first ball 56 will be engaged with any one of the guide grooves 28 (28-1, 28-2, 28-3). Appropriate connection can be made without directional alignment.
  • only one guide groove 28 may be provided.
  • the inclined portion 32 of the guide groove 28 can be formed spirally over at least one round on the outer peripheral surface 20a of the connecting shaft portion 20 . Since the inclined portion 32 is formed over one or more turns, the first balls 56 can be positioned at any position in the guide groove 28 regardless of the position of the tool adapter 10 inserted into the unit body 12 in the circumferential direction. It is possible to perform proper connection without adjusting the position of the tool adapter 10 in the circumferential direction.
  • the present invention is not limited to these embodiments.
  • three guide grooves 28 are formed, but the number of guide grooves can be changed arbitrarily, for example, two or four or more.
  • the sleeve is adapted to be displaced along the longitudinal axis of the tubular member, it may be displaced circumferentially between the coupled and uncoupled positions.
  • the connecting recess may be a single annular recess extending in the circumferential direction.
  • the protrusion of the pressing member may be formed integrally with the front end of the pressing member.
  • Tool mounting unit 10 Tool adapter 12 Unit main body 14 Unit mounting portion 16 Adapter main body 18 Cap 20 Connecting shaft portion 20a Outer peripheral surface 20b Rear end surface 22 Tool fixing portion 24 Flange 26 Tool mounting hole 28 (28-1, 28-2, 28 -3) Guide groove 30 Connecting recess 32 Inclined portion 34 Parallel portion 36 Front end opening 38 Insertion hole 40 Cylindrical wall portion 40a Outer peripheral surface 40b Inner peripheral surface 40c Front end surface 42 Sleeve 42a Inner peripheral surface 44 Pressing member 44a Outer peripheral surface 46 Ball bearing 48 bevel gear 50 bevel gear 52 first ball retaining hole 54 second ball retaining hole 56 first ball 58 second ball 60 spring (biasing member) 62 front end 64 contact ball 64a projection 66 spring (biasing member) 68 Engagement stepped portion 70 Stop ring B1, B2, B3, B4, B5 Position L Longitudinal axis P1, P2, P3, P4, P5, P6 Position W (W1, W2, W3) Circumferential direction range

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
PCT/JP2022/042991 2022-02-04 2022-11-21 工具取付ユニット Ceased WO2023149054A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020247025866A KR20240129041A (ko) 2022-02-04 2022-11-21 공구 장착 유닛
JP2023578386A JP7735440B2 (ja) 2022-02-04 2022-11-21 工具取付ユニット
CN202280090711.5A CN118632757A (zh) 2022-02-04 2022-11-21 工具安装单元

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-016106 2022-02-04
JP2022016106 2022-02-04

Publications (1)

Publication Number Publication Date
WO2023149054A1 true WO2023149054A1 (ja) 2023-08-10

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PCT/JP2022/042991 Ceased WO2023149054A1 (ja) 2022-02-04 2022-11-21 工具取付ユニット

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Country Link
JP (1) JP7735440B2 (https=)
KR (1) KR20240129041A (https=)
CN (1) CN118632757A (https=)
WO (1) WO2023149054A1 (https=)

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WO2025197030A1 (ja) * 2024-03-21 2025-09-25 平田機工株式会社 回転ヘッドおよび作業装置

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JPS5379476U (https=) * 1976-12-06 1978-07-01
JPS6014825U (ja) * 1983-07-08 1985-01-31 富士精工株式会社 切削工具ホルダ
JPH01159106A (ja) * 1987-10-08 1989-06-22 Hertel Ag Werkzeuge & Hartstoff 工作機械の駆動スピンドルに工具ヘッドを交換可能に締付けるための装置
JPH02107411U (https=) * 1989-02-10 1990-08-27
JP2019058973A (ja) * 2017-09-26 2019-04-18 エヌティーツール株式会社 工具保持具
JP2019107740A (ja) * 2017-12-19 2019-07-04 株式会社 ムラテクノロジー 基軸ホルダ及び電動工具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4613446A1 (de) * 2024-03-07 2025-09-10 SUHNER Schweiz AG Drehausrichtungssystem und wechselsystem damit
WO2025197030A1 (ja) * 2024-03-21 2025-09-25 平田機工株式会社 回転ヘッドおよび作業装置

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KR20240129041A (ko) 2024-08-27

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