JPS57193235A - Bending device - Google Patents

Bending device

Info

Publication number
JPS57193235A
JPS57193235A JP7704881A JP7704881A JPS57193235A JP S57193235 A JPS57193235 A JP S57193235A JP 7704881 A JP7704881 A JP 7704881A JP 7704881 A JP7704881 A JP 7704881A JP S57193235 A JPS57193235 A JP S57193235A
Authority
JP
Japan
Prior art keywords
arm
stopper
turned
bending
press
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.)
Granted
Application number
JP7704881A
Other languages
Japanese (ja)
Other versions
JPH0152093B2 (en
Inventor
Osayoshi Hisada
Tomio Okamoto
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP7704881A priority Critical patent/JPS57193235A/en
Publication of JPS57193235A publication Critical patent/JPS57193235A/en
Publication of JPH0152093B2 publication Critical patent/JPH0152093B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

PURPOSE:To satisfactorily maintain working accuracy without marring a pipe material, by returning a return-position being different from a locus of bending work, in case of a return-operation of a bending roller. CONSTITUTION:A pipe material 72 is positioned between the second stopper 56 and a receiving member 70. The first arm 24 is turned counterclockwise by a rotation driving source, a bending roller 44 and a backup mold 48 are made to press-contact with the pipe material 72, also turning is executed and the bending roller 44 is turned round a bending mold 14, the second arm 52 also makes the stopper 56 press-contact with a stopper 46 of the first arm 24, is turned together with the first arm 24, and bending work is performed. Subsequently, when the first arm 24 is turned clockwise, the first stopper and the second stopper 56 are separated, the second arm 52 is left as it is, and a holder 34 is returned. Subsequently, an end 35 of the holder 34 press-contacts with an end 59 of the third stopper 58, and also when the first arm 24 is turned, the first arm 24 and the second arm 52 are turned clockwise in one body, and the second arm 52 is also returned to its original position.
JP7704881A 1981-05-21 1981-05-21 Bending device Granted JPS57193235A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7704881A JPS57193235A (en) 1981-05-21 1981-05-21 Bending device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7704881A JPS57193235A (en) 1981-05-21 1981-05-21 Bending device

Publications (2)

Publication Number Publication Date
JPS57193235A true JPS57193235A (en) 1982-11-27
JPH0152093B2 JPH0152093B2 (en) 1989-11-07

Family

ID=13622888

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7704881A Granted JPS57193235A (en) 1981-05-21 1981-05-21 Bending device

Country Status (1)

Country Link
JP (1) JPS57193235A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010162601A (en) * 2009-01-16 2010-07-29 Wafios Ag Rotary draw-bending die with eccentric clamping

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010162601A (en) * 2009-01-16 2010-07-29 Wafios Ag Rotary draw-bending die with eccentric clamping
US8443644B2 (en) 2009-01-16 2013-05-21 Wafios Aktiengesellschaft Rotary-draw bending die with eccentric clamping

Also Published As

Publication number Publication date
JPH0152093B2 (en) 1989-11-07

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