EP0474978A1 - Dispositif pour le découpage de nappes textiles et analogues par jet de fluide - Google Patents

Dispositif pour le découpage de nappes textiles et analogues par jet de fluide Download PDF

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Publication number
EP0474978A1
EP0474978A1 EP91109524A EP91109524A EP0474978A1 EP 0474978 A1 EP0474978 A1 EP 0474978A1 EP 91109524 A EP91109524 A EP 91109524A EP 91109524 A EP91109524 A EP 91109524A EP 0474978 A1 EP0474978 A1 EP 0474978A1
Authority
EP
European Patent Office
Prior art keywords
fluid
jet
cutting
cutting head
cut
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.)
Withdrawn
Application number
EP91109524A
Other languages
German (de)
English (en)
Inventor
Roberto Meroni
Umberto Gerin
Stefano Beni
Fabio Lancerotto
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.)
Cerit SpA
Original Assignee
Cerit SpA
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 Cerit SpA filed Critical Cerit SpA
Publication of EP0474978A1 publication Critical patent/EP0474978A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
    • B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
    • B26F1/3813—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/22—Severing by heat or by chemical agents

Definitions

  • This invention concerns a system to cut textile surfaces and the like with a jet of fluid.
  • the invention concerns a cutting system consisting of a table equipped with a cutting head employing a jet of fluid; the head runs along a support secured to the table and moves parallel to one of the sides of the table, whereas the textile surface is fed in a direction at a right angle to the direction of movement of the cutting head employing the jet of fluid.
  • the invention is used in the automatic cutting of textile and other surfaces such as hides, leather, etc. for instance and is also employed in cooperation with a connected system that monitors the details of models.
  • the state of the art covers a plurality of systems and equipment suitable for the cutting of textile surfaces and of materials which can be likened thereto such as hides, leather, etc.
  • the state of the art includes a cutting head slidably connected to a support which can move in a direction at a right angle to the movement of sliding of the cutting head.
  • the support moves in relation to the work surface of the table on which the material to be cut is positioned immovably.
  • a configuration of this type entails a plurality of working problems, particularly so where the cutting head has to be operated by hand, as may happen in given processes or special cases and particularly when the cutting heads work with fluids at very high pressures.
  • the present applicant has the purpose of embodying a highly versatile cutting system whereby the machine operator also has ready access to the textile surface on which he has to work.
  • the surfaces to be cut are preferably of a textile type but can also consist of other materials, and therefore the cutting head must possess requirements of great flexibility and cutting capacity.
  • a further purpose is to embody a cutting system able to work in connection with systems that monitor the details of models, so that the system can perform automatically all the cutting operations in conformity with the model thus monitored.
  • the system has also to be able to perform manual cutting of the surfaces in question.
  • the work surface is normally of a rectangular type and the support element is fixed along the whole extent of, and parallel to one of the two longer sides of, the work surface.
  • a cutting head employing a fluid jet is connected to the support element and can run along that element.
  • the cutting head is substantially a device with a terminal nozzle able to deliver a flow of fluid at very high pressures of the order of 2000-4000 atmospheres.
  • the fluid may be merely water or water mixed with an abrasive or be of yet another type.
  • the cutting head works in cooperation with collecting or receiving means suitable to collect the used jet of fluid.
  • the cutting table is equipped above its work surface with a unit to engage and move the surface to be cut; this surface is displaced in a direction orthogonal to the support element and therefore to the cutting head able to slide on the support element.
  • the actuation of the cutting head and of the unit to engage and move the surface to be cut is controlled and regulated by suitable data processing means, which perform automatic steering of the head and of the unit.
  • the cutting head is suitably equipped also to be steered by the machine operator for performance of the cutting by hand.
  • the operator can follow a profile to be cut by applying the required operating sequences to the cutting head.
  • Figs.1, 2 and 3 show diagrammatically the cutting system of the invention, which employs a cutting table 10, rectangular in this example, with a fluid-jet cutting head 11.
  • the cutting table 10 comprises a work surface 12 on which the surfaces 13 to be cut are positioned.
  • a bridge structure consisting of uprights 14 and of a
  • transverse support element 15 is positioned immovably parallel to one of the two longer sides of the table 10 and near one of the outer edges of the table 10.
  • a cutting head 11 employing a fluid jet and capable of to-and-fro straight movement on the support element 15 is moved by suitable means along the support element 15.
  • the fluid-jet cutting head 11 is suitably equipped with an arm 16 or with analogous means for the performance of the cutting of the surface 13 by a machine operator by hand.
  • the cutting can be carried out by hand owing to the configuration and mutual arrangement of the surface 13 and cutting head 11 and owing also to their reciprocal displacement, as will be described below.
  • a unit 17 to engage the surface 13 to be cut is included on the cutting table 10 and is suitably actuated to move on the work surface 12 in a direction orthogonal to the support element 15 of the fluid-jet cutting head 11.
  • the cutting programme is controlled by a computerized system which operates on each occasion according to pre-set or pre-settable programmes.
  • Fig.4 shows a form of embodiment of the substantial part of a fluid-jet cutting head 11.
  • the cutting tool is a tapered nozzle 20 to concentrate the jet, which may consist of an amalgam of water under high pressure and an abrasive.
  • a bracket to support the cutting head 11 is referenced with 24, while an ON-OFF switch unit is referenced with 25.
  • abrasive 21 is connected to a suitable tank that stores this material, while the high pressure fluid input 22 is connected to a circuit including means to filter the cutting fluid, means to pump the fluid and an intensifier unit which has the purpose of bringing the fluid to very high pressures.
  • abrasive input 21 may be eliminated or disconnected according to the desired chracteristics of the cut to be made, and the jet of water alone may be enough for the cutting operation.
  • the collection of the used jet of fluid during the cutting operations is particularly easy with the system of the invention. Indeed, if the cutting head 11 is moved lengthwise along a stationary support element 15, it is possible to provide in cooperation with the cutting head 11 receiving means which are moved in synchronization with the head 11, but other collection means too may be included such as baffles arranged in stationary positions and cooperating with a tank that collects the jet of water.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Textile Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Treatment Of Fiber Materials (AREA)
EP91109524A 1990-08-10 1991-06-11 Dispositif pour le découpage de nappes textiles et analogues par jet de fluide Withdrawn EP0474978A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8345590 1990-08-10
IT08345590A IT1244452B (it) 1990-08-10 1990-08-10 Sistema di taglio a getto fluido per superfici tessili ed affini

Publications (1)

Publication Number Publication Date
EP0474978A1 true EP0474978A1 (fr) 1992-03-18

Family

ID=11322153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91109524A Withdrawn EP0474978A1 (fr) 1990-08-10 1991-06-11 Dispositif pour le découpage de nappes textiles et analogues par jet de fluide

Country Status (2)

Country Link
EP (1) EP0474978A1 (fr)
IT (1) IT1244452B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2168874A1 (es) * 1996-07-17 2002-06-16 Manufacturas Arpe S L Juan Perfeccionamientos enel objeto de la patente principal n- p 9601596 po "metodo para la fabricacion de bayetas para limpieza y la bayeta correspondiente".
CN105619511A (zh) * 2009-09-04 2016-06-01 考麦兹股份公司 用于切割皮革和类似物的设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1949583A1 (de) * 1968-10-01 1970-04-09 Franz Norman C Verfahren zum Schneiden weicher Materialien mit einem Fluessigkeitsstrahl hoher Geschwindigkeit
US4213359A (en) * 1978-02-27 1980-07-22 Lever Manufacturing Co. Fluid jet cutter with confined passageway for fluid disposal
DE3533644C1 (en) * 1985-09-20 1987-03-26 Duerkopp System Technik Gmbh Method and device for cutting sheet-like material using a jet of fluid at a very high pressure
DE3813128A1 (de) * 1987-04-23 1988-11-24 Kawakami Seisakusho Einrichtung zum schneiden eines stapels von blaettern
US4787178A (en) * 1987-04-13 1988-11-29 Creative Glassworks International, Inc. Fluid-jet cutting apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1949583A1 (de) * 1968-10-01 1970-04-09 Franz Norman C Verfahren zum Schneiden weicher Materialien mit einem Fluessigkeitsstrahl hoher Geschwindigkeit
US4213359A (en) * 1978-02-27 1980-07-22 Lever Manufacturing Co. Fluid jet cutter with confined passageway for fluid disposal
DE3533644C1 (en) * 1985-09-20 1987-03-26 Duerkopp System Technik Gmbh Method and device for cutting sheet-like material using a jet of fluid at a very high pressure
US4787178A (en) * 1987-04-13 1988-11-29 Creative Glassworks International, Inc. Fluid-jet cutting apparatus
DE3813128A1 (de) * 1987-04-23 1988-11-24 Kawakami Seisakusho Einrichtung zum schneiden eines stapels von blaettern

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2168874A1 (es) * 1996-07-17 2002-06-16 Manufacturas Arpe S L Juan Perfeccionamientos enel objeto de la patente principal n- p 9601596 po "metodo para la fabricacion de bayetas para limpieza y la bayeta correspondiente".
CN105619511A (zh) * 2009-09-04 2016-06-01 考麦兹股份公司 用于切割皮革和类似物的设备

Also Published As

Publication number Publication date
IT9083455A0 (it) 1990-08-10
IT1244452B (it) 1994-07-15
IT9083455A1 (it) 1992-02-10

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