GB947608A - Improvements in internal broaching machines - Google Patents

Improvements in internal broaching machines

Info

Publication number
GB947608A
GB947608A GB1979461A GB1979461A GB947608A GB 947608 A GB947608 A GB 947608A GB 1979461 A GB1979461 A GB 1979461A GB 1979461 A GB1979461 A GB 1979461A GB 947608 A GB947608 A GB 947608A
Authority
GB
United Kingdom
Prior art keywords
broach
sleeve
puller
movement
toper
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.)
Expired
Application number
GB1979461A
Inventor
Victor James Bryant
Ronald Leonard Archibald
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.)
Lapointe Machine Tool Co Ltd
Lapointe Machine Tool Co
Original Assignee
Lapointe Machine Tool Co Ltd
Lapointe Machine Tool Co
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 Lapointe Machine Tool Co Ltd, Lapointe Machine Tool Co filed Critical Lapointe Machine Tool Co Ltd
Priority to GB1979461A priority Critical patent/GB947608A/en
Publication of GB947608A publication Critical patent/GB947608A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D37/00—Broaching machines or broaching devices
    • B23D37/02—Broaching machines with horizontally-arranged working tools
    • B23D37/04—Broaching machines with horizontally-arranged working tools for broaching inner surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)

Abstract

947,608. Broaching machines. LAPOINTE MACHINE TOOL CO. Ltd. May 25, 1962 [June 1, 1961], No. 19794/61. Heading B3L. A puller mechanism for an internal broaching machine comprises a puller body 4 surrounded by a movable spring-loaded sleeve 1 with internal toper surfaces 2 and 9. Movement of the sleeve 1 along the body 4 under the influence of spring 11 causes, by co-operation with the toper 2, a radially inward movement of puller studs 3 to engage a circumferential groove in a broach 6 to secure it to the puller. The same sleeve movement causes in co-operation with the toper 9, a radially inward movement of two diametrically positioned studs 8 which engage co-operating flats 10 on the broach so as to lock the broach in an angular direction. The broach is released from the puller by sliding the sleeve back against the spring 11. This is effected by a cam 19 actuating a roller 17 which swings a U lever 12 about its pivots on extensions 13 of the draw head 14 which effects movement of the sleeve by rollers 15 in grooves 16. Stops 21 on the machine face plate act on the levers 12 following the release of the broach to fully retract the sleeve to facilitate the insertion of another broach.
GB1979461A 1961-06-01 1961-06-01 Improvements in internal broaching machines Expired GB947608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1979461A GB947608A (en) 1961-06-01 1961-06-01 Improvements in internal broaching machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1979461A GB947608A (en) 1961-06-01 1961-06-01 Improvements in internal broaching machines

Publications (1)

Publication Number Publication Date
GB947608A true GB947608A (en) 1964-01-22

Family

ID=10135331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1979461A Expired GB947608A (en) 1961-06-01 1961-06-01 Improvements in internal broaching machines

Country Status (1)

Country Link
GB (1) GB947608A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180360A (en) * 1978-04-26 1979-12-25 The Babcock & Wilcox Company Broach pulling mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180360A (en) * 1978-04-26 1979-12-25 The Babcock & Wilcox Company Broach pulling mechanism

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