CA2196929A1 - Thin sheet forming dies - Google Patents

Thin sheet forming dies

Info

Publication number
CA2196929A1
CA2196929A1 CA 2196929 CA2196929A CA2196929A1 CA 2196929 A1 CA2196929 A1 CA 2196929A1 CA 2196929 CA2196929 CA 2196929 CA 2196929 A CA2196929 A CA 2196929A CA 2196929 A1 CA2196929 A1 CA 2196929A1
Authority
CA
Canada
Prior art keywords
die
rotating cam
negative angle
forming portion
thin sheet
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
CA 2196929
Other languages
French (fr)
Other versions
CA2196929C (en
Inventor
Mitsuo Matsuoka
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.)
Umix Co Ltd
Original Assignee
Umix 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 Umix Co Ltd filed Critical Umix Co Ltd
Priority to CA 2196929 priority Critical patent/CA2196929C/en
Publication of CA2196929A1 publication Critical patent/CA2196929A1/en
Application granted granted Critical
Publication of CA2196929C publication Critical patent/CA2196929C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • B21D19/082—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles
    • B21D19/086—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles with rotary cams

Landscapes

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

Abstract

A thin sheet forming die with a forming portion to be a negative angle when the second die is moved in the straight line direction and abutted to the first die to form thin sheets, comprising a cylindrical rotating cam with a groove formed in the axial direction rotatably mounted to the first die, a negative angle forming portion formed in the groove edge portion of the rotating cam, a slide cam with a negative angle forming portion equipped to the second die in such a manner to be opposite to the said rotating cam, and an automatic return device equipped to the first die for rotating and retracting the rotating cam to the condition in which the work is removed from the first die after forming, wherein an excessively bent negative angle forming portion is designed to be processed with one rotating cam equipped with a plurality of cylindrical rotating cam portions in varying diameters.
CA 2196929 1997-02-06 1997-02-06 Thin sheet forming dies Expired - Lifetime CA2196929C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2196929 CA2196929C (en) 1997-02-06 1997-02-06 Thin sheet forming dies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2196929 CA2196929C (en) 1997-02-06 1997-02-06 Thin sheet forming dies

Publications (2)

Publication Number Publication Date
CA2196929A1 true CA2196929A1 (en) 1998-08-06
CA2196929C CA2196929C (en) 2004-11-23

Family

ID=4159846

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2196929 Expired - Lifetime CA2196929C (en) 1997-02-06 1997-02-06 Thin sheet forming dies

Country Status (1)

Country Link
CA (1) CA2196929C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102101139B (en) * 2010-12-02 2012-08-22 奇瑞汽车股份有限公司 Tapered wedge rotating mechanism
CN102380549A (en) * 2011-09-26 2012-03-21 奇瑞汽车股份有限公司 Novel rotary inclined wedge mechanism

Also Published As

Publication number Publication date
CA2196929C (en) 2004-11-23

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20170206