JPS57148635A - Automatic setting up of mold tightening force for toggle type injection molding machine - Google Patents

Automatic setting up of mold tightening force for toggle type injection molding machine

Info

Publication number
JPS57148635A
JPS57148635A JP3556081A JP3556081A JPS57148635A JP S57148635 A JPS57148635 A JP S57148635A JP 3556081 A JP3556081 A JP 3556081A JP 3556081 A JP3556081 A JP 3556081A JP S57148635 A JPS57148635 A JP S57148635A
Authority
JP
Japan
Prior art keywords
tightening force
mold tightening
mold
tie
injection molding
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
JP3556081A
Other languages
Japanese (ja)
Other versions
JPS6135924B2 (en
Inventor
Kenji Kasugai
Seiji Tamura
Tadanori Obayashi
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.)
NIPPON SEIKOSHO KK
Japan Steel Works Ltd
Original Assignee
NIPPON SEIKOSHO KK
Japan Steel 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 NIPPON SEIKOSHO KK, Japan Steel Works Ltd filed Critical NIPPON SEIKOSHO KK
Priority to JP3556081A priority Critical patent/JPS57148635A/en
Publication of JPS57148635A publication Critical patent/JPS57148635A/en
Publication of JPS6135924B2 publication Critical patent/JPS6135924B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1751—Adjustment means allowing the use of moulds of different thicknesses

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To effect the set-up of mold tightening force with a metallic mold closed and to shorten the time for setting up an automatic tightening force by stopping the rotation of a tie-bar nut when mold tightening force corresponding to the advance of the piston rod of a mold tightening cylinder is obtained. CONSTITUTION:A limit switch 19c is provided in order to obtain a mold tightening force at the zero points of both limit switches 19a for rated mold tightening force and limit switch 19b for mold tightening force that is smaller than the rated mold tightening force. After changed metallic molds 7' and 8' are mounted, low pressure oil is supplied to a cylinder 4 in order to prevent their dismounting, and the tie-bar nut is rotated to stretch the toggle. The limit switches 19a- 19c are successively actuated with a striker 20 by the advance of a piston rod. If a mold tightening force that is smaller than the rated mold tightening force is set up in the control board, the low pressure oil is cut off at the time when the limit switch 19b is actuated, and the rotation of the tie-bar nut is stopped.
JP3556081A 1981-03-11 1981-03-11 Automatic setting up of mold tightening force for toggle type injection molding machine Granted JPS57148635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3556081A JPS57148635A (en) 1981-03-11 1981-03-11 Automatic setting up of mold tightening force for toggle type injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3556081A JPS57148635A (en) 1981-03-11 1981-03-11 Automatic setting up of mold tightening force for toggle type injection molding machine

Publications (2)

Publication Number Publication Date
JPS57148635A true JPS57148635A (en) 1982-09-14
JPS6135924B2 JPS6135924B2 (en) 1986-08-15

Family

ID=12445116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3556081A Granted JPS57148635A (en) 1981-03-11 1981-03-11 Automatic setting up of mold tightening force for toggle type injection molding machine

Country Status (1)

Country Link
JP (1) JPS57148635A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221653A (en) * 1982-06-16 1983-12-23 Toshiba Mach Co Ltd Automatic setting method of clamping force for die opening/closing installation
JPS59146825A (en) * 1983-02-12 1984-08-22 Japan Steel Works Ltd:The Apparatus for thermally compensating clamp force of toggle type injection molder
JPS6171164A (en) * 1984-09-13 1986-04-12 Fanuc Ltd Automatic adjusting device for die clamping force
JPS61220819A (en) * 1985-03-28 1986-10-01 Fanuc Ltd Mold clamping force automatic setting device
JPS63286313A (en) * 1987-05-19 1988-11-24 Japan Steel Works Ltd:The Mold clamping force setting device of toggle type injection molding machine
WO2006129651A1 (en) * 2005-06-02 2006-12-07 Sumitomo Heavy Industries, Ltd. Molding condition setting method
CN102431187A (en) * 2011-12-01 2012-05-02 宁波荣溢化纤科技有限公司 Ultrahigh molecular weight polyethylene fiber splicing press
JP2014217993A (en) * 2013-05-07 2014-11-20 ファナック株式会社 Mold closing device of injection machine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221653A (en) * 1982-06-16 1983-12-23 Toshiba Mach Co Ltd Automatic setting method of clamping force for die opening/closing installation
JPS6031586B2 (en) * 1982-06-16 1985-07-23 東芝機械株式会社 Automatic tightening force setting method for mold opening/closing equipment
JPS59146825A (en) * 1983-02-12 1984-08-22 Japan Steel Works Ltd:The Apparatus for thermally compensating clamp force of toggle type injection molder
JPS6171164A (en) * 1984-09-13 1986-04-12 Fanuc Ltd Automatic adjusting device for die clamping force
JPH0350617B2 (en) * 1984-09-13 1991-08-02 Fanuc Ltd
JPS61220819A (en) * 1985-03-28 1986-10-01 Fanuc Ltd Mold clamping force automatic setting device
JPH0242337B2 (en) * 1985-03-28 1990-09-21
JPS63286313A (en) * 1987-05-19 1988-11-24 Japan Steel Works Ltd:The Mold clamping force setting device of toggle type injection molding machine
JPH0511741B2 (en) * 1987-05-19 1993-02-16 Japan Steel Works Ltd
WO2006129651A1 (en) * 2005-06-02 2006-12-07 Sumitomo Heavy Industries, Ltd. Molding condition setting method
CN102431187A (en) * 2011-12-01 2012-05-02 宁波荣溢化纤科技有限公司 Ultrahigh molecular weight polyethylene fiber splicing press
JP2014217993A (en) * 2013-05-07 2014-11-20 ファナック株式会社 Mold closing device of injection machine

Also Published As

Publication number Publication date
JPS6135924B2 (en) 1986-08-15

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