JPS56136319A - Monitor alarm device for mold releasing force - Google Patents

Monitor alarm device for mold releasing force

Info

Publication number
JPS56136319A
JPS56136319A JP3896280A JP3896280A JPS56136319A JP S56136319 A JPS56136319 A JP S56136319A JP 3896280 A JP3896280 A JP 3896280A JP 3896280 A JP3896280 A JP 3896280A JP S56136319 A JPS56136319 A JP S56136319A
Authority
JP
Japan
Prior art keywords
load
releasing force
mold releasing
profile
alarm
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
JP3896280A
Other languages
Japanese (ja)
Inventor
Junichi Saeki
Shigeharu Tsunoda
Aizo Kaneda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3896280A priority Critical patent/JPS56136319A/en
Publication of JPS56136319A publication Critical patent/JPS56136319A/en
Pending legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)

Abstract

PURPOSE: To provide the titled device capable of enhancing the reliability and yield in producing a molded article having an insert by a method wherein ejector pins for detecting the mold releasing force and the deformation mode for the article, and an alarm is raised at the time when the mold releasing force reaches to a preset value.
CONSTITUTION: Load sensors 8, 11, 13 for detecting each deformation mode are connected with displaying parts 15A, 15B, 15C through amplifiers, respectively. When the measured load exceeds each of load values preset by setting dials 16A, 16B, 16C, a red lamp at one of alarm displaying parts 17A, 17B, 17C corresponding to the load value concerned is turned on. When the molded article 4 is separated from upper and lower molds 2, 1 almost simultaneously with a mold opening operation, a load of a profile 18 is applied to the load sensor 8, a load of a profile 19 is applied to the load sensor 11 by the projection of the ejector pin 3A and a load of a profile 20 is applied to the load sensor 13 by the projection of the ejector pin 5A. Each time when the three types of loads exceeds the preset values FA, FB, FC respectively, the alarm displaying is performed.
COPYRIGHT: (C)1981,JPO&Japio
JP3896280A 1980-03-28 1980-03-28 Monitor alarm device for mold releasing force Pending JPS56136319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3896280A JPS56136319A (en) 1980-03-28 1980-03-28 Monitor alarm device for mold releasing force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3896280A JPS56136319A (en) 1980-03-28 1980-03-28 Monitor alarm device for mold releasing force

Publications (1)

Publication Number Publication Date
JPS56136319A true JPS56136319A (en) 1981-10-24

Family

ID=12539792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3896280A Pending JPS56136319A (en) 1980-03-28 1980-03-28 Monitor alarm device for mold releasing force

Country Status (1)

Country Link
JP (1) JPS56136319A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62131813U (en) * 1986-02-12 1987-08-20

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62131813U (en) * 1986-02-12 1987-08-20
JPH0320099Y2 (en) * 1986-02-12 1991-04-30

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