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WO1993010950A1 - Positionable plate used as a valve for controlling liquid-jet cutting - Google Patents

Positionable plate used as a valve for controlling liquid-jet cutting Download PDF

Info

Publication number
WO1993010950A1
WO1993010950A1 PCT/DK1992/000355 DK9200355W WO9310950A1 WO 1993010950 A1 WO1993010950 A1 WO 1993010950A1 DK 9200355 W DK9200355 W DK 9200355W WO 9310950 A1 WO9310950 A1 WO 9310950A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
plate
jet
controlling liquid
jet cutting
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.)
Ceased
Application number
PCT/DK1992/000355
Other languages
French (fr)
Inventor
Jens Nielsen
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.)
Lumetech AS
Original Assignee
Lumetech AS
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 Lumetech AS filed Critical Lumetech AS
Priority to EP92924590A priority Critical patent/EP0614411A1/en
Priority to JP5509728A priority patent/JPH07502213A/en
Publication of WO1993010950A1 publication Critical patent/WO1993010950A1/en
Priority to NO941942A priority patent/NO941942D0/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • B26F2003/006—Severing by means other than cutting; Apparatus therefor by means of a fluid jet having a shutter or water jet deflector

Definitions

  • the present invention relates to a valve for liquid- jet cutting.
  • valves for controlling liquid-jet cutting of various products, especially food products such as fish fillets which are to be trimmed.
  • a common disadvantage of such valves is the comparatively long reaction time for opening and closing, which is due to the valves being of flow-through type comprising a valve housing, a valve member, a valve seat, seals that should be able to withstand high pressures, as well as associated operating means.
  • the prior-art valves are relatively heavy, just because they include many components that should be able to withstand high pressures.
  • the relatively high weight of the valves gives a fairly poor cutting capacity to the robot on which the valve is mounted and which serves to move the valve for performing a cutting operation e.g. for removing bones from fillets.
  • the object of the invention is to provide a valve for liquid-jet cutting which obviates the above inconveniences inherent in such valves.
  • valve which is characterised in that it comprises a plate and a motor shaft connected thereto, said plate being, by means of the motor, positionable in and removable from the path of the liquid jet used for the cutting operation, the motor being adapted to be fixed on a stand.
  • Fig. 1 shows the valve in open position
  • Fig. 2 shows the valve in closed position
  • the illustrated valve consists of a bar-shaped plate 1 and an operating means for the plate, in this case a pneumatic rotary cylinder 2 whose shaft 3 is connected to one end of the plate 1.
  • the rotary cylinder is fixedly mounted on a stand (not shown) so as to be able to pivot the other end of the plate 1 into the path of a liquid jet 4 sprayed from a nozzle 5 towards a product-cutting table or conveyor ( ot shown).
  • the motor is connected in conventional manner to means for controlling the motor or the robot in response to signals from a camera, a UV or IR detector or other detector monitoring the product to be cut on the table or the conveyor (see e.g. SE 8303327-4).
  • an insert 6 made of some hard material, such as sapphire, for increasing the service life of the plate 1. It will be appreciated that this arrangement enables the jet to be shut off and let through in a considerably shorter time than in conventional valves.
  • the fact that the liquid jet is constantly on is of minor importance compared with the increase in cutting capacity.
  • the opening and closing times of prior-art valves are about 0.8 s, while they can be reduced to about 0.2 s with the present invention.
  • the plate may be translationally moved in its longitudinal direction to and from the jet by means of a piston-cylinder unit.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Food-Manufacturing Devices (AREA)
  • Processing Of Meat And Fish (AREA)
  • Multiple-Way Valves (AREA)

Abstract

A valve for controlling liquid-jet cutting, especially of food products, such as fish fillets, comprises a plate (1) and a motor shaft (3) connected thereto. The plate is, by means of the motor (2), positionable in and removable from the path of the liquid jet (4) used in the cutting operation.

Description

P0SITI0NABLE PLATE USED AS A VALVE FOR CONTROLLING LIQUID-JET CUTTING
The present invention relates to a valve for liquid- jet cutting. There exist several prior-art valves for controlling liquid-jet cutting of various products, especially food products such as fish fillets which are to be trimmed. A common disadvantage of such valves is the comparatively long reaction time for opening and closing, which is due to the valves being of flow-through type comprising a valve housing, a valve member, a valve seat, seals that should be able to withstand high pressures, as well as associated operating means. Further, the prior-art valves are relatively heavy, just because they include many components that should be able to withstand high pressures. Thus, the relatively high weight of the valves gives a fairly poor cutting capacity to the robot on which the valve is mounted and which serves to move the valve for performing a cutting operation e.g. for removing bones from fillets.
The object of the invention is to provide a valve for liquid-jet cutting which obviates the above inconveniences inherent in such valves.
According to the invention, this object is achieved by a valve which is characterised in that it comprises a plate and a motor shaft connected thereto, said plate being, by means of the motor, positionable in and removable from the path of the liquid jet used for the cutting operation, the motor being adapted to be fixed on a stand.
An embodiment of the invention will be described in more detail below with reference to the accompanying drawing, in which
Fig. 1 shows the valve in open position, and Fig. 2 shows the valve in closed position. The illustrated valve consists of a bar-shaped plate 1 and an operating means for the plate, in this case a pneumatic rotary cylinder 2 whose shaft 3 is connected to one end of the plate 1. The rotary cylinder is fixedly mounted on a stand (not shown) so as to be able to pivot the other end of the plate 1 into the path of a liquid jet 4 sprayed from a nozzle 5 towards a product-cutting table or conveyor ( ot shown).
The motor is connected in conventional manner to means for controlling the motor or the robot in response to signals from a camera, a UV or IR detector or other detector monitoring the product to be cut on the table or the conveyor (see e.g. SE 8303327-4).
At the plate end hit by the liquid jet, there is provided an insert 6 made of some hard material, such as sapphire, for increasing the service life of the plate 1. It will be appreciated that this arrangement enables the jet to be shut off and let through in a considerably shorter time than in conventional valves. The fact that the liquid jet is constantly on is of minor importance compared with the increase in cutting capacity. For comparative purposes, it may be mentioned that the opening and closing times of prior-art valves are about 0.8 s, while they can be reduced to about 0.2 s with the present invention.
It will be understood that patterns of movement other than a pivotal movement can be imparted to the plate. Thus, the plate may be translationally moved in its longitudinal direction to and from the jet by means of a piston-cylinder unit.

Claims

1. A valve for controlling liquid-jet cutting, c h a r a c t e r i s e d in that it comprises a plate (1) and a motor shaft (3) connected thereto, said plate being, by means of the motor (2), positionable in and removable from the path of the liquid jet (4) used for the cutting operation.
2. A valve as set forth in claim 1, c h a r a c ¬ t e r i s e d in that the motor (2) is a rotary cylinder e.g. of pneumatic type.
3. A valve as set forth in claim 1 or 2, c h a ¬ r a c t e r i s e d in that the impact area of the jet (4) on the plate (1) comprises an insert (6) made of a comparatively hard material, such as sapphire.
PCT/DK1992/000355 1991-11-27 1992-11-27 Positionable plate used as a valve for controlling liquid-jet cutting Ceased WO1993010950A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP92924590A EP0614411A1 (en) 1991-11-27 1992-11-27 Positionable plate used as a valve for controlling liquid-jet cutting
JP5509728A JPH07502213A (en) 1991-11-27 1992-11-27 Positioning plate used as valve to control liquid jet cutting
NO941942A NO941942D0 (en) 1991-11-27 1994-05-25 Positionable plate used as a valve to control fluid jet cutting

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9103505A SE469373B (en) 1991-11-27 1991-11-27 A VALVE FOR SCREW RADIATION CREATED BY A DISC INSERTABLE AND INSERTABLE DISC
SE9103505-5 1991-11-27

Publications (1)

Publication Number Publication Date
WO1993010950A1 true WO1993010950A1 (en) 1993-06-10

Family

ID=20384441

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1992/000355 Ceased WO1993010950A1 (en) 1991-11-27 1992-11-27 Positionable plate used as a valve for controlling liquid-jet cutting

Country Status (5)

Country Link
EP (1) EP0614411A1 (en)
JP (1) JPH07502213A (en)
CA (1) CA2123419A1 (en)
SE (1) SE469373B (en)
WO (1) WO1993010950A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19636919C1 (en) * 1996-09-11 1997-12-04 Foracon Maschinen Und Anlagenb Device for adjusting zero-position of jet nozzle movable in X and Y directions
US5927320A (en) * 1996-03-19 1999-07-27 Design Systems Inc. High-speed water jet blocker
WO2003016005A1 (en) * 2001-08-21 2003-02-27 Fmc Technologies, Inc. Apparatus and method for blocking a high-speed water jet
US6752373B1 (en) 2001-12-18 2004-06-22 Fmc Technologies, Inc. High-speed fluid jet blocker
EP3020520A1 (en) * 2014-11-14 2016-05-18 Hewlett-Packard Industrial Printing Ltd. Liquid nitrogen jet stream processing of paper, cardboards or carton
WO2017207054A1 (en) * 2016-06-02 2017-12-07 Ant Applied New Technologies Ag Water-abrasive-suspension cutting system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5676110A (en) * 1996-03-14 1997-10-14 Meneely; Vincent Allan Exhaust brake with offset butterfly and method of reducing back pressure therein

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3631116C1 (en) * 1986-09-12 1988-02-25 Duerkopp System Technik Gmbh Arrangement of the high-pressure pipe for the liquid feed of a very high-pressure fluid jet cutting system
EP0280861A1 (en) * 1987-01-22 1988-09-07 Pro-Real Projektierung+Realisierung Gmbh Method and device for cutting materials by using a fluid jet
US4920841A (en) * 1988-12-29 1990-05-01 General Dynamics Corporation Energy dissipating receptacle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3631116C1 (en) * 1986-09-12 1988-02-25 Duerkopp System Technik Gmbh Arrangement of the high-pressure pipe for the liquid feed of a very high-pressure fluid jet cutting system
EP0280861A1 (en) * 1987-01-22 1988-09-07 Pro-Real Projektierung+Realisierung Gmbh Method and device for cutting materials by using a fluid jet
US4920841A (en) * 1988-12-29 1990-05-01 General Dynamics Corporation Energy dissipating receptacle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5927320A (en) * 1996-03-19 1999-07-27 Design Systems Inc. High-speed water jet blocker
US5931178A (en) * 1996-03-19 1999-08-03 Design Systems, Inc. High-speed water jet blocker
EP1177867B1 (en) * 1996-03-19 2005-11-23 Design Systems, Inc. High-speed water jet blocker
DE19636919C1 (en) * 1996-09-11 1997-12-04 Foracon Maschinen Und Anlagenb Device for adjusting zero-position of jet nozzle movable in X and Y directions
WO2003016005A1 (en) * 2001-08-21 2003-02-27 Fmc Technologies, Inc. Apparatus and method for blocking a high-speed water jet
US6752373B1 (en) 2001-12-18 2004-06-22 Fmc Technologies, Inc. High-speed fluid jet blocker
EP3020520A1 (en) * 2014-11-14 2016-05-18 Hewlett-Packard Industrial Printing Ltd. Liquid nitrogen jet stream processing of paper, cardboards or carton
US10016908B2 (en) 2014-11-14 2018-07-10 Hp Scitex Ltd. Liquid nitrogen jet stream processing of substrates
WO2017207054A1 (en) * 2016-06-02 2017-12-07 Ant Applied New Technologies Ag Water-abrasive-suspension cutting system

Also Published As

Publication number Publication date
SE469373B (en) 1993-06-28
EP0614411A1 (en) 1994-09-14
SE9103505D0 (en) 1991-11-27
SE9103505L (en) 1993-05-28
CA2123419A1 (en) 1993-06-10
JPH07502213A (en) 1995-03-09

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