JPS555273A - Automatic chuck claw exchanging device - Google Patents

Automatic chuck claw exchanging device

Info

Publication number
JPS555273A
JPS555273A JP1742079A JP1742079A JPS555273A JP S555273 A JPS555273 A JP S555273A JP 1742079 A JP1742079 A JP 1742079A JP 1742079 A JP1742079 A JP 1742079A JP S555273 A JPS555273 A JP S555273A
Authority
JP
Japan
Prior art keywords
claw
magazine
chuck
slide block
cylinder
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.)
Pending
Application number
JP1742079A
Other languages
Japanese (ja)
Inventor
Hideharu Yamanaka
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.)
Okuma Corp
Original Assignee
Okuma Machinery Works 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 Okuma Machinery Works Ltd filed Critical Okuma Machinery Works Ltd
Priority to JP1742079A priority Critical patent/JPS555273A/en
Publication of JPS555273A publication Critical patent/JPS555273A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide the subject device wherein a slide block which is in rack engagement with the claw of a chuck and opens or closes the claw is moved back and slided, the engagement between the slide block and the claw is released, whereby the claw of the chuck can be automatically replaced by the claw stored in the magazine.
CONSTITUTION: A magazine is turned and indexed during the cutting operation, and a claw to be used next is located at a stand-by position. After the completion of the cutting operation, the entire part of an exchanging arm part 9 is moved forward together with the magazine by the operations of a cylinder 17 and a piston 16. Then, a driver 51 is advanced by the operation of a cylinder 53, and the driver 51 is rotated by means of a motor 52 to release the rack engagement between the slide block 15 of the chuck and the claw 2. By the operation of the rotary cylinder 19 in this state, the claw exchanging arm is extended, and claws of the magazine and the chuck are held by a gripper 34. Then, the exchanging arm part 9 is rotated 180° by the inverse operation, and the arm is extended by the operation of the rotary cylinder 19, new and old claws are inserted into the magazine and chuck, and exchanged.
COPYRIGHT: (C)1980,JPO&Japio
JP1742079A 1979-02-16 1979-02-16 Automatic chuck claw exchanging device Pending JPS555273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1742079A JPS555273A (en) 1979-02-16 1979-02-16 Automatic chuck claw exchanging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1742079A JPS555273A (en) 1979-02-16 1979-02-16 Automatic chuck claw exchanging device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP8702873A Division JPS5418429B2 (en) 1973-08-02 1973-08-02

Publications (1)

Publication Number Publication Date
JPS555273A true JPS555273A (en) 1980-01-16

Family

ID=11943510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1742079A Pending JPS555273A (en) 1979-02-16 1979-02-16 Automatic chuck claw exchanging device

Country Status (1)

Country Link
JP (1) JPS555273A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617721A (en) * 1983-10-12 1986-10-21 Pratt Burnerd International Limited Jaw changing apparatus
US4644636A (en) * 1985-01-17 1987-02-24 Index-Werke Komm.-Ges. Hahn & Tessky Device for changing chuck attachment jaws
US4648170A (en) * 1984-05-18 1987-03-10 Paul Forkardt Gmbh & Co. Kg Apparatus for changing the top jaws of a chuck
US4686757A (en) * 1985-01-17 1987-08-18 Smw Schneider & Weisshaupt Gmbh Machine tool chuck construction
US20210008644A1 (en) * 2018-03-19 2021-01-14 Howa Machinery, Ltd. Hand for exchanging claws of a chuck, method for automatically exchanging claws of a chuck, and system for automatically exchanging claws

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617721A (en) * 1983-10-12 1986-10-21 Pratt Burnerd International Limited Jaw changing apparatus
US4648170A (en) * 1984-05-18 1987-03-10 Paul Forkardt Gmbh & Co. Kg Apparatus for changing the top jaws of a chuck
US4644636A (en) * 1985-01-17 1987-02-24 Index-Werke Komm.-Ges. Hahn & Tessky Device for changing chuck attachment jaws
US4686757A (en) * 1985-01-17 1987-08-18 Smw Schneider & Weisshaupt Gmbh Machine tool chuck construction
US20210008644A1 (en) * 2018-03-19 2021-01-14 Howa Machinery, Ltd. Hand for exchanging claws of a chuck, method for automatically exchanging claws of a chuck, and system for automatically exchanging claws

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