US3810590A - Method and means for moving a shiftable holder for a roll core or the like - Google Patents

Method and means for moving a shiftable holder for a roll core or the like Download PDF

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Publication number
US3810590A
US3810590A US00257035A US25703572A US3810590A US 3810590 A US3810590 A US 3810590A US 00257035 A US00257035 A US 00257035A US 25703572 A US25703572 A US 25703572A US 3810590 A US3810590 A US 3810590A
Authority
US
United States
Prior art keywords
roll core
pressure
pistons
cylinders
chucking
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.)
Expired - Lifetime
Application number
US00257035A
Other languages
English (en)
Inventor
Y Miyake
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of US3810590A publication Critical patent/US3810590A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40576—Assemblies of multiple valves
    • F15B2211/40584—Assemblies of multiple valves the flow control means arranged in parallel with a check valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members

Definitions

  • This invention has as an object the intention of overcoming the above-mentioned disadvantage in the prior art shiftable holder for a roll core.
  • an object of this invention is to provide a method and means for moving a shiftable holder for a roll core which does not result in a loosening in the holding of the roll core.
  • Another object of this invention is to provide a shiftable holder for a roll core in which it is possible to independently shift the roll core by adding independently, a shift pressure thereto while maintaining the left side and the right side chucking pressures at the same strength for the roll core which are applied to both ends of the roll core as the chucks.
  • the chucking pressures for the roll core are obtained by applying pressure to pressure-cylinders, which are provided on both'sides of the roll core, on the opposite side thereof to the side on which the end of the roll core faces.
  • the roll core is shifted by applying slight pressure to the pressurecylinders on the side thereof on which the end of the roll core faces.
  • the shiftable holder for a roll core includes pressure-cylinders disposed at both ends of a roll core, pistons provided in the pressure-cylinders, each of which has a piston rod (used as a chucking rod, in one embodiment), and a pressure medium feed means provided at the ends of each pressure-cylinder to transmit the pressure medium to both sides of the piston in each pressurecylinder.
  • FIG. 1 is a schematic diagram of the prior shiftable holder for a roll core
  • FIGS. 2 to 4 are schematic diagrams for illustrating the right-ward shift of the roll core in the FIG. 1 shifting holder.
  • FIG. 5 is a schematic diagram of the shiftable holder for a roll core according to this invention.
  • FIG. 1 illustrates the prior art shiftable holder for a roll core, for example, in a turret, wherein l is a roll core, 2 and 3 are oil pressure-cylinders with pistons 4 and 5 therein to which chucking rods 6 and 7 are connected, 8 and 9 are oil pressure pipes for spreading the rod span, 10 and 11 are oil pressure pipes for reducing the rod span, 13 and 14 are throttles, 12 and 15 are chuck valves, and 16 is an oil pressure actuator.
  • the chucking pressure for holding the roll core 1 and the pushing pressure to shift it are provided through pistons 4 and 5 by oil pressure.
  • the system has the fatal defect that the roll core 1 falls off when it is shifted because it is very difficult to generate a difference between the oil pressures applied to both ends of the roll core 1 and yet maintain sufficient chucking pressures to hold the roll core tightly.
  • the chuck valve 12 and the throttle 13 are provided in the pipe 10 on the oil-escape side, so that the oil-escape side pressure in the cylinder 2 is lower than the oil-push side pressure in the cylinder 3 because the oilescapes against the resistance of the throttle l3 and the oil cannot escape through the chuck valve 12. Therefore, it was expected that the chucking pressure for the roll core 1 is maintained in the cylinder 2 sufficient enough to hold it.
  • the oil pressure in the cylinder 2 has a pressure lower than the pressure of the oil in the cylinder 3.
  • the oil in the cylinder 2 escapes through the pipe 10, but it is necessary that its pressure be greater than the pressure needed to provide the chucking pressure to the roll core I.
  • the oil in the pipes 8 and 9 flows in the direction denoted by the arrows D and E respectively and may have the same pressure as atmospheric pressure.
  • FIG. 3 shows the condition in which the roll core 1 begins to be shifted to the right of the center of the turret. That is, the high-pressure oil is fed through the pipe 11 in the direction denoted by the arrow B, passing through the throttle 14 and the chuck valve 15, and enters into the cylinder 3, so that the chucking pressure is applied to the roll core 1 through the piston and the rod 7. This shifts the roll core 1 to the right against the oil pressure in the cylinder 2.
  • the oil pushed out of the cylinder 2 by the piston 4 flows through the throttle 13, against the resistance of the throttle and does not flow through the chuck valve 12, so that the pressure in the cylinder 2 is to be higher than the pressure needed for chucking the roll core.
  • the roll core 1 stops shifting to the right and therefore the oil in the cylinder 2 is no longer pushed so that it flows out. Accordingly, it becomes impossible for the throttle 13 to maintain a pressure greater than the chucking pressure, so that the chucking pressure needed to hold the roll core 1 in place is not applied to it through the rods 6 and 7. Thus, the roll core 1 will be loosened in the turret or, at the worst, will fall off.
  • This invention overcomes the above-described de- 'fects in the prior shiftable holder for a roll core, and
  • 21 is a roll core
  • 22 and 23 are oil cylinders
  • 24 and 25 are pistons
  • 28 and 29 are pipes for spreading the rod span and for shifting the roll core
  • 30 and 31 are pipes for chucking the roll core
  • 36 is an actuator for feeding a pressure-liquid to the pipes 30 and 31
  • 37 is another actuator for feeding a pressureliquid to the pipes 28 and 29.
  • a pressure-liquid is fed into the cylinder 22 and 23 through the pipes 30 and 31, respectively, by the actuator 36, so that the roll core 21 is supplied with the chucking pressure through pistons 24 and 25 and rods 26 and 27, and is held in a chucked condition.
  • the roll core 21 is shifted either to the left or to the right. That is, if the liquid pressure in pipe 29 is increased over that in the pipe 28, the roll core 21 will be shifted to the left, and if the liquid pressure in the pipe 28 is increased over that in the pipe 29, the roll core 21 will be shifted to the right.
  • the roll core can be shifted smoothly while sufficiently maintaining the chucking pressure enough to be held, even though there is no throttle and no chuck valve. Moreover, even if the roll core reaches the end of its shift-course, the
  • a shiftable holder for a roll core comprising:
  • pistons provided in each of said pressure-cylinders, said pistons each having a first face disposed away from said roll core and a second face facing said roll core;
  • piston rods connected .to eachof said pistons and to the opposite ends of said roll core;
  • first and second separate pressure medium feed means provided at each end of each of said cylinders for feeding a pressure medium into said cylinders on both sides of each of said pistons against said first and second faces, respectively;
  • first and second separate and independent actuator means for actuating feeding of said pressure medium through said first and second feed means, respectively, whereby pressure against said first face maintains chucking pressure by said piston rods against said roll core and whereby pressure against said second face causes lateral shifting of said roll core.
  • the shiftable holder of claim 1 consisting of said two pressure-cylinders, said pistons, said piston rods, said first and second separate pressure medium feed means and said first and second separate and independent actuator means.
  • a method for moving a shiftable holder for a roll core while maintaining chucking pressure against said roll core comprising:

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Unwinding Webs (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
US00257035A 1971-05-27 1972-05-25 Method and means for moving a shiftable holder for a roll core or the like Expired - Lifetime US3810590A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46036433A JPS5221139B1 (enExample) 1971-05-27 1971-05-27

Publications (1)

Publication Number Publication Date
US3810590A true US3810590A (en) 1974-05-14

Family

ID=12469664

Family Applications (1)

Application Number Title Priority Date Filing Date
US00257035A Expired - Lifetime US3810590A (en) 1971-05-27 1972-05-25 Method and means for moving a shiftable holder for a roll core or the like

Country Status (4)

Country Link
US (1) US3810590A (enExample)
JP (1) JPS5221139B1 (enExample)
DE (1) DE2225734A1 (enExample)
GB (1) GB1381634A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095452A (en) * 1998-02-04 2000-08-01 Valmet Corporation Method and arrangement for winding a web
CN103387146A (zh) * 2013-08-06 2013-11-13 江阴市汇通包装机械有限公司 十字气顶收放卷支架

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284995A (en) 1979-06-18 1981-08-18 Bell & Howell Company Methods and apparatus for recording information, supplying wound materials and retaining tubular objects
DE3126561C2 (de) * 1981-07-06 1984-11-08 Windmöller & Hölscher, 4540 Lengerich Lagerung für Druckwerkszylinder oder dergleichen mit einstellbarem Seitenregister
DE4414003C2 (de) * 1994-04-22 2000-04-13 Kampf Gmbh & Co Maschf Vorrichtung zum Aufwickeln von Warenbahnen, insbesondere Kunststoffolien in einer zwei Drehscheiben aufweisenden Mehrfach-Wendewickelmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE22852C (de) * J. LEA in London Neuerungen an elektrischen Lampen
US2800288A (en) * 1954-05-12 1957-07-23 Mckay Machine Co Strip uncoiler and control therefor
US2915257A (en) * 1954-08-11 1959-12-01 Stamco Inc Uncoiler with side shift control
US2967675A (en) * 1956-04-09 1961-01-10 Gpe Controls Inc Control system for coil support
US3058448A (en) * 1960-08-10 1962-10-16 Weinman Pump & Supply Co Hydraulic constant pressure applicator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE22852C (de) * J. LEA in London Neuerungen an elektrischen Lampen
US2800288A (en) * 1954-05-12 1957-07-23 Mckay Machine Co Strip uncoiler and control therefor
US2915257A (en) * 1954-08-11 1959-12-01 Stamco Inc Uncoiler with side shift control
US2967675A (en) * 1956-04-09 1961-01-10 Gpe Controls Inc Control system for coil support
US3058448A (en) * 1960-08-10 1962-10-16 Weinman Pump & Supply Co Hydraulic constant pressure applicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095452A (en) * 1998-02-04 2000-08-01 Valmet Corporation Method and arrangement for winding a web
CN103387146A (zh) * 2013-08-06 2013-11-13 江阴市汇通包装机械有限公司 十字气顶收放卷支架

Also Published As

Publication number Publication date
JPS5221139B1 (enExample) 1977-06-08
GB1381634A (en) 1975-01-22
DE2225734A1 (de) 1972-12-14

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