JPS56136744A - Expanding-contracting apparatus for mandrel for winding strip - Google Patents

Expanding-contracting apparatus for mandrel for winding strip

Info

Publication number
JPS56136744A
JPS56136744A JP3618780A JP3618780A JPS56136744A JP S56136744 A JPS56136744 A JP S56136744A JP 3618780 A JP3618780 A JP 3618780A JP 3618780 A JP3618780 A JP 3618780A JP S56136744 A JPS56136744 A JP S56136744A
Authority
JP
Japan
Prior art keywords
mandrel
expanding
shaft
cylinder
expanded
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
JP3618780A
Other languages
Japanese (ja)
Other versions
JPS5754417B2 (en
Inventor
Tadahisa Miyaguchi
Yoshihiro Miyoshi
Takehiko Ogi
Jun Sakamoto
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP3618780A priority Critical patent/JPS56136744A/en
Publication of JPS56136744A publication Critical patent/JPS56136744A/en
Publication of JPS5754417B2 publication Critical patent/JPS5754417B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Winding Of Webs (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

PURPOSE: To provide an expanding-contracting apparatus by which the diameter of a mandrel can be arbitrarily selected and the mandrel can be expanded or contracted to a predetermined diameter when there is trouble in the piston rod position controller for an oil-hydraulic cylinder for driving.
CONSTITUTION: The strip winding mandrel consists of a shaft (a), a mandrel expanding-contracting cylinder (b), a piston (c) secured to one end of the shaft (a), a segment (d) secured to the other end of the shaft (a) and a wedge (e) which expands or contracts said segment (d). In this case, the expanding-contracting cylinder (b) is provided with the first and second pistons 4 and 5 and a cylinder 3 having a stopper 3a on the central inner surface. When a piston rod 2 is in the neutral state by applying the same pressures to the back sides of the first and second pistons 4 and 5 from the second and third ports 8 and 9, the mandrel is in the expanded state, and when either one of the ports 8 and 9 is opened to the atmosphere, the mandrel is in the over-expanded or contracted state.
COPYRIGHT: (C)1981,JPO&Japio
JP3618780A 1980-03-24 1980-03-24 Expanding-contracting apparatus for mandrel for winding strip Granted JPS56136744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3618780A JPS56136744A (en) 1980-03-24 1980-03-24 Expanding-contracting apparatus for mandrel for winding strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3618780A JPS56136744A (en) 1980-03-24 1980-03-24 Expanding-contracting apparatus for mandrel for winding strip

Publications (2)

Publication Number Publication Date
JPS56136744A true JPS56136744A (en) 1981-10-26
JPS5754417B2 JPS5754417B2 (en) 1982-11-18

Family

ID=12462717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3618780A Granted JPS56136744A (en) 1980-03-24 1980-03-24 Expanding-contracting apparatus for mandrel for winding strip

Country Status (1)

Country Link
JP (1) JPS56136744A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102107236A (en) * 2010-12-09 2011-06-29 中色科技股份有限公司 Method and device for quickly removing drum-expanding cylinder
DE102014212668A1 (en) 2014-05-26 2015-11-26 Sms Group Gmbh Device for winding a strip material into a coil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102107236A (en) * 2010-12-09 2011-06-29 中色科技股份有限公司 Method and device for quickly removing drum-expanding cylinder
DE102014212668A1 (en) 2014-05-26 2015-11-26 Sms Group Gmbh Device for winding a strip material into a coil
US9937543B2 (en) 2014-05-26 2018-04-10 Sms Group Gmbh Device for winding a strip material into a coil

Also Published As

Publication number Publication date
JPS5754417B2 (en) 1982-11-18

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