EP0589089B1 - Dispositif pour amener une étoffe à une découpeuse - Google Patents

Dispositif pour amener une étoffe à une découpeuse Download PDF

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Publication number
EP0589089B1
EP0589089B1 EP92121359A EP92121359A EP0589089B1 EP 0589089 B1 EP0589089 B1 EP 0589089B1 EP 92121359 A EP92121359 A EP 92121359A EP 92121359 A EP92121359 A EP 92121359A EP 0589089 B1 EP0589089 B1 EP 0589089B1
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EP
European Patent Office
Prior art keywords
trough
cloth
rotation
axis
fabric
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
EP92121359A
Other languages
German (de)
English (en)
Other versions
EP0589089A1 (fr
Inventor
Jürgen Rosskath
Konrad Frauenknecht
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.)
ROSSKATH TEXTILMASCHINEN GmbH
Original Assignee
ROSSKATH TEXTILMASCHINEN GmbH
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
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Application filed by ROSSKATH TEXTILMASCHINEN GmbH filed Critical ROSSKATH TEXTILMASCHINEN GmbH
Publication of EP0589089A1 publication Critical patent/EP0589089A1/fr
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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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/0326—Controlling transverse register of web by moving the unwinding device
    • 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
    • B65H16/021—Multiple web roll supports
    • 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
    • B65H16/10—Arrangements for effecting positive rotation of web roll
    • B65H16/106—Arrangements for effecting positive rotation of web roll in which power is applied to web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/12—Width

Definitions

  • the invention relates to a device for feeding a low-lying cutter, in which at least two rotary bearings for one bale of fabric are attached to a base frame, a removal of a web of fabric from each of the bales of fabric is provided by rotating the bale of fabric about an axis of rotation, a back and forth The bale of material can be pushed out in the direction of the axis of rotation and a supply of the fabric web to the low-layer cutter is provided, according to the preamble of patent claim 1.
  • the rotary bearings are without drive and shaft rods which are inserted centrally through the fabric bales and on which the fabric bales are axially displaceable.
  • the fabric web is pulled off the fabric bale by hand, ie with manual force, whereby the fabric bale is rotated.
  • the two lateral edge edges must always assume a prescribed position when feeding the low-layer cutter.
  • the fabric bale on the swivel the fabric is usually not wrapped with the correct edges.
  • the fabric bale is moved along the shaft rod. It is exhausting and time-consuming in this manual manner to feed the fabric precisely to the edge when the fabric bale is wound with an incorrect edge.
  • each pivot bearing is a shaft carrying the fabric bale and a pair of driven rollers is assigned to the fabric bale to convey the fabric from the fabric bale to the feed conveyor belt.
  • the bale of fabric can be moved by hand on the shaft.
  • the work surface is formed by a fixed table top.
  • a device for placing layers of fabric on a stationary work surface is also known (GB-A-1300890), in which a single swivel bearing carrying a fabric bale is arranged above the work surface and can be moved back and forth along the work surface.
  • the pivot bearing is designed as a trough with a drivable conveyor belt and the trough pivot bearing is provided on a dump truck which is driven to and fro on a frame in the direction of the fabric bale axis of rotation.
  • an edge sensing device is effective after the trough, which works on the drive of the dumper truck.
  • each pivot bearing is designed as a trough with a drivable conveyor wall and that each trough pivot bearing is provided on a dump truck which is driven to and fro on the base frame in the direction of the fabric bale axis of rotation , according to the characterizing part of patent claim 1.
  • the bale of fabric can be easily inserted into the trough and removed from the trough. There is no shaft support.
  • the bale of fabric is driven in rotation without pulling on the web of fabric. Since the drive of the cloth bale takes place on its outer surface, a constant feed speed of the cloth web is achieved with a constant movement speed of the conveyor wall.
  • the lateral shifting of the fabric bale which serves to adjust the edges, takes place without direct attack on the fabric by moving the dump truck.
  • the driven removal of the fabric web and the driven lateral displacement of the fabric bale take place with a simplified construction and with increased protection of the fabric.
  • the device according to the invention is suitable for clothing fabrics and upholstery fabrics. There are usually two to four, preferably three trough-pivot bearings provided, since this results in favorable conditions with regard to the required installation space and the design effort.
  • the device according to the invention is not restricted to specific bale diameters.
  • the swivel trough bearings are usually arranged in a common plane, ie at the same height.
  • the at least two trough pivot bearings are controlled jointly or simultaneously and driven and the two associated panels of material are stacked on top of one another when fed to the low-layer cutter, two or more panels of material are fed to the low-layer cutter one on top of the other.
  • the same speed of movement of the fabric webs lying on top of each other can be easily achieved regardless of the respective bale diameter by the conveyor walls of the troughs being driven at the same speed. With little effort in terms of measurement and control, it is achieved that all conveyor wall or trough speeds and all web speeds are always the same regardless of the respective bale diameter.
  • the driven feed conveyor belt with a straight feed run to the low-position cutter is provided under the swivel bodies.
  • This feed conveyor belt is adapted in the belt speed to the belt conveyor speed of the low-layer cutter.
  • the removed driven fabric web lies on the feed conveyor belt and moves with it to the low-layer cutter.
  • the trough has a cross-section tapering from top to bottom, the z. B. is funnel-shaped.
  • the drivable conveyor wall is e.g. B. formed by roles. However, it is particularly expedient and advantageous if the drivable conveyor wall is formed by mutually parallel trough belts which are arranged at a distance from one another and run at right angles to the turning axis. The independence of the function of the drivable trough formed by the trough belts from the respective bale diameter is improved.
  • the trough belts are the conveyor belt of driven endless conveyor belts. The space between two adjacent trough bands can be used to accommodate additional components.
  • the bale of fabric must also be shifted longitudinally in the trough to be positioned in a desired predetermined position.
  • This positioning shift of the fabric bale is facilitated if support rollers are provided in the trough wall which are idling, parallel to one another, spaced apart, run at right angles to the turning axis and are carried by a support rod which can be raised and lowered in relation to the drivable conveyor wall.
  • the support rollers are raised for positioning to lift the fabric bale from the drivable conveyor wall. When positioning is complete, the support rollers are lowered, with the bale of fabric laying on the conveyor wall.
  • the support rod is e.g. B. formed by swivel levers.
  • the support rollers are e.g. arranged between the trough bands.
  • the trough is at a first end the trough intersecting and pivoting transversely to the turning axis is provided and at the second end of the trough a trough crossing the trough and displaceable in the direction of the turning axis is provided, on which engages an operating rod that ends at the first end of the trough.
  • This makes it easier to move the bale and prevents the windings of the bale from moving against each other due to the movement.
  • the bale pushes the bale of fabric up to the stop.
  • the axial displacement of the thrust piece allows adaptation to different lengths of bales of fabric.
  • the trough edge is formed by idling insertion rollers which extend transversely to the axis of rotation.
  • introduction rollers make it easier to insert the bale of fabric into the trough by pushing the bale of fabric onto these reels lying in the trough.
  • the insertion rollers are usually provided at the end of the trough at which the free end of the operating rod is also located.
  • the edge sensing device In the path of movement of an edge of the fabric web after the trough, the edge sensing device is effective, which controls the drive of the towing vehicle.
  • the edge sensing device determines when the edge edge moves or deviates from a predetermined desired position and then overrides drive the dump truck in such a way that this deviation is compensated for by shifting the dump truck.
  • a sensor device is active in the path of movement of each fabric web and each sensor device also works in a controlling manner on the drive of each swivel-body pivot bearing.
  • These control devices ensure that a fabric web is only fed together with the other fabric webs.
  • a suitable control device it can be achieved that the fabric web of a fabric bale remote from the low-layer cutter leads and the fabric web of a fabric bale closer to the cutter only starts up later.
  • the control device also senses when a fabric web has stopped, i. H. is no longer in the effective range of the sensor device.
  • a sensor device which works in a controlling manner on the drive of the swiveling pivot bearing, is effective into the trough from below each trough.
  • This sensor device reports when the material supply in a trough has run out and then stops the drives of the trough pivot bearings.
  • the device according to the drawing stands on a feed side of a low-layer cutter, not shown, which has a horizontal working surface which is formed by the upper run of a conveyor belt and which is associated with a device for cutting fewer layers of fabric lying one on top of the other.
  • a feed conveyor belt 2 At the level of the working surface of the low-level cutter there is an upper, horizontal, straight feed run 1 of a feed conveyor belt 2, which is attached to a base frame 3.
  • the feed conveyor belt 2 is driven by means of a drive 4 designed as an electric motor in such a way that the feed run 1 moves in the direction of an arrow 5 to the low-position cutter, not shown.
  • the feed conveyor belt 2 extends under three trough rotary bearings 6, which are arranged one behind the other at the same height and each of which is assigned an axis of rotation 7, the axes of rotation being parallel to each other.
  • Each trough pivot bearing 6 is provided on a dump truck 8, which is designed as a slide, rests with bar-like traveling elements 9 on rail-like supporting pieces 10 of the base frame 3 and is laterally displaceable in the direction of the axis of rotation 7.
  • the towing vehicle 8 includes a threaded rod 11 which extends in the direction of the axis of rotation 7 and which passes through a drive nut 12 which is fixed to the base frame 3 in a manner not shown. With a reversible drive 13 designed as an electric motor, the threaded rod 11 can be rotated and the dump truck 8 laterally moved back and forth. This is shown for the middle trough pivot bearing in Fig. 1 by a break.
  • Each swivel trough bearing 6 each has a cheek 14 and between them a conveyor wall 15, on which a bale of fabric 16 to be rotated is placed and which delimits an elongated trough in the form of an angled channel.
  • the conveyor wall 15 is formed by mutually parallel endless trough belts 17 which are conveyor belts and are arranged in two mutually offset sets or groups.
  • the two sets of trough belts 17 are guided over a common, deflecting shaft 18 which is mounted on the cheeks 14 and can be driven by means of a drive 19 designed as an electric motor.
  • the other ends of the trough belts 17 of each set are guided over a deflecting rod 20.
  • the two deflecting rods 20 are arranged higher than the shaft 18 and are mounted on the cheeks 14.
  • Each conveyor wall 15 moves in the direction of an arrow 21, whereby the bale of fabric 16 is rotated and a fabric web 22, 23, 24 migrates away from each fabric bale.
  • Each web of fabric emerges from the trough and falls downwards from it to the feed conveyor belt 2, in front of which it passes a deflecting rod 25 which is attached to the base frame 3.
  • the webs of fabric 22, 23, 24 lie one on top of the other and on the section of the feed conveyor belt projecting forward over the three trough pivot bearings there is a low-layer layering.
  • the cheek 14 is equipped with idling insertion rollers 26 on one side of the trough, onto which a bale of fabric with a front end can be placed in order to be pushed into the trough along its length.
  • the trough wall is equipped with support rollers 27, which are each arranged between two adjacent trough belts. Struts 28, on which levers 29 are rotatable, run between the cheeks 14. Between each two levers 29, one of the support rollers 27 is arranged, which are rotatably attached to one end of the two levers. The other ends of the two levers are connected to one another via a web 30.
  • the webs 30 are articulated to an operating web 31 running in the direction of the axis of rotation 7, one end of which is located on one side of the device.
  • the support rollers 27 By moving the operating rods 31, the support rollers 27 have been raised relative to the trough belts 17, so that a bale of fabric located in the trough can be moved easily and unhindered by the trough belts.
  • a stop 32 is provided on the insertion side near the trough end , which is immovable in the direction of the axis of rotation 7 and is rotatably attached at one end about a rod 33 which is arranged above the one deflecting rod 20 and is supported on both ends by the cheeks 14.
  • a stop-like thrust piece 34 on the rod 33 can be displaced in the direction of the axis of rotation 7.
  • One end of an operating rod 35 engages on the thrust piece 34, the other end of which is located on one side of the device for the purpose of actuation.
  • the second deflecting rod 20 via which the fabric web is moved away, there is an edge sensing device 36, which is attached to the base frame in a manner not shown, which is fork-shaped and through whose fork gap one edge of the fabric web runs.
  • Two beams 37 crossing the fork gap are interrupted or released by the fabric. The control is that the edge between the two beams, that is, only one of the beams is covered. If neither of the beams 37 is covered or if both beams are covered, the dump truck is moved.
  • a sensor device 38 is provided close to the downward region of the fabric web, which is attached to the base frame in a manner not shown.
  • the sensor device 38 determines whether or not there is a fabric web and sends the test result to a control device 39 which is located on the operating side of the device and is provided with control buttons 40 or buttons. All operating handles 41 are also located on this operating side.
  • the material feed device and the low-layer cutter must run or work synchronously in order to ensure a satisfactory interaction or overall work result. Therefore, it is particularly expedient and advantageous if a pulse encoder attached to the low-position cutter and operable in its working cycle is connected via an electrical connection device to the control device of the material feed device. By corresponding action on the control device, this pulse generator causes the device to run synchronously with the cutter, i.e. adjusts the work cycle of the device to the specified work cycle of the cutter.

Landscapes

  • Preliminary Treatment Of Fibers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Nonmetal Cutting Devices (AREA)

Claims (9)

  1. Appareil pour amener une étoffe à une découpeuse pour un faible nombre de couches, qui forme une surface de travail,
    dans lequel au moins deux paliers de rotation (6) destinés chacun à une balle d'étoffe (16) sont disposés sur un châssis (3), dans lequel on prévoit un soutirage d'un pan d'étoffe (22, 23, 24) de chacune des balles d'étoffe par rotation de la balle d'étoffe autour d'un axe de rotation (7), on prévoit une possibilité de coulissement alternatif de la balle d'étoffe dans la direction de l'axe de rotation et on prévoit une alimentation du pan d'étoffe à la découpeuse pour faible nombre de couches,
    dans lequel les deux paliers de rotation (6) sont entraînés conjointement ou simultanément et les deux pans d'étoffe correspondants (22, 23, 24) sont superposés l'un à l'autre lors de leur alimentation à la découpeuse pour faible nombre de couches, et
    dans lequel sous le palier de rotation (6) est prévue une bande transporteuse d'alimentation (2) entraînée munie d'un tronçon d'alimentation rectiligne (1) vers la découpeuse pour faible nombre de couches,
    caractérisé en ce que chaque palier de rotation (6) est réalisé sous la forme d'une auge munie d'une paroi transporteuse (15) entraînable (19), et que chaque palier de rotation en auge (6) est prévu sur un chariot à auge (8) qui est déplaçable en va-et-vient et entraîné (13) sur le châssis (3) dans la direction de l'axe de rotation (7) de la balle d'étoffe, les parois de transport des auges étant entraînées à la même vitesse,
    que la surface de travail de la découpeuse est formée par le brin supérieur d'une bande transporteuse et que la vitesse de bande de la bande transporteuse d'alimentation (2) est accordée à la vitesse de bande de la bande transporteuse de la découpeuse,
    que, sur le chemin de déplacement d'un bord d'extrémité de chacun des pans d'étoffe (22, 23, 24), après l'auge correspondante, agit un dispositif palpeur de bord (36) qui fonctionne en commandant l'entraînement (13) du chariot à auge correspondant (8),
    qu'un ajustage des bords des pans d'étoffe s'avançant vers la bande transporteuse d'alimentation est effectué, et
    qu'il est prévu un entraînement commandé (19, 4) propre ou séparé pour chaque palier en auge (6), pour chaque chariot d'auge (8) et pour la bande transporteuse d'alimentation (2) ainsi que la bande transporteuse de la découpeuse.
  2. Appareil selon la revendication 1, caractérisé en ce que la paroi transporteuse entraînable (15) est formée de convoyeurs en auge (17) disposés parallèlement entre eux et à distance les uns des autres et s'étendant perpendiculairement à l'axe de rotation (7) de la balle d'étoffe.
  3. Appareil selon l'une des revendications 1 et 2, caractérisé en ce que, dans la paroi de l'auge, sont prévus des rouleaux d'appui (17) qui sont montés fous, sont parallèles entre eux, s'étendent perpendiculairement à l'axe de rotation (7) des balles d'étoffe et sont portés par une tringlerie d'appui (28, 29) qui peut être soulevée et abaissée en relation de la paroi transporteuse entraînable (15).
  4. Appareil selon l'une des revendications 1, 2 et 3, caractérisé en ce qu'à une première extrémité de l'auge est prévue une butée (32) traversant l'auge et propre à pivoter transversalement à l'axe de rotation (7) de la balle d'étoffe, et en ce qu'à la seconde extrémité de l'auge est prévue une pièce de poussée (34) traversant l'auge et propre à coulisser dans la direction de l'axe de rotation (7) de la balle d'étoffe, et sur laquelle agit une tige de manoeuvre (37) qui se termine à la première extrémité de l'auge.
  5. Appareil selon l'une des revendications précédentes, caractérisé en ce qu'à une extrémité de l'auge, le bord d'extrémité de l'auge est réalisé sous la forme de rouleaux d'introduction (26) montés fous et s'étendant transversalement à l'axe de rotation (7) de la balle d'étoffe.
  6. Appareil selon l'une des revendications précédentes, caractérisé en ce que, sur le chemin de déplacement de chaque pan d'étoffe (22, 23, 24), agit un dispositif de détection (38), et en ce que chaque dispositif de détection fonctionne en commandant l'entraînement (17) de chaque palier de rotation en auge (6).
  7. Appareil selon l'une des revendications précédentes, caractérisé en ce qu'à partir du dessous de chaque auge, un dispositif de détection agit dans l'auge et en ce que chaque dispositif de détection fonctionne en commandant l'entraînement des paliers de rotation en auge.
  8. Appareil selon l'une des revendications précédentes, caractérisé en ce que l'ensemble des manettes de commande (41) et des boutons de commande (40) sont disposés du côté de l'appareil, associé à chaque fois à une extrémité des auges.
  9. Appareil selon l'une des revendications précédentes, caractérisé en ce qu'un encodeur d'impulsions monté sur la découpeuse pour faible nombre de couches est couplé, par un dispositif de liaison électrique, à un dispositif de commande pour un mode de fonctionnement de l'appareil.
EP92121359A 1992-09-19 1992-12-16 Dispositif pour amener une étoffe à une découpeuse Expired - Lifetime EP0589089B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4231388 1992-09-19
DE4231388A DE4231388C2 (de) 1992-09-19 1992-09-19 Vorrichtung zur Stoffzuführung für einen Niedriglagen-Cutter

Publications (2)

Publication Number Publication Date
EP0589089A1 EP0589089A1 (fr) 1994-03-30
EP0589089B1 true EP0589089B1 (fr) 1997-03-05

Family

ID=6468335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92121359A Expired - Lifetime EP0589089B1 (fr) 1992-09-19 1992-12-16 Dispositif pour amener une étoffe à une découpeuse

Country Status (3)

Country Link
EP (1) EP0589089B1 (fr)
AT (1) ATE149470T1 (fr)
DE (2) DE4231388C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19654796A1 (de) 1996-12-31 1998-07-02 Schultes Robert W Zuführvorrichtung für eine Stoffzuschneideanlage, Stoffzuschneideanlage sowie Verfahren zum Betreiben derselben
DE102015213358A1 (de) 2015-07-16 2017-01-19 Homag Holzbearbeitungssysteme Gmbh Zuführeinrichtung für Beschichtungsmaterial
CN114232313B (zh) * 2021-11-19 2022-11-25 宁波经纬数控股份有限公司 图文切割机的进料系统及进料装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2860840A (en) * 1952-08-12 1958-11-18 H G Weber & Company Remote control edge alignment device
FR1392828A (fr) * 1964-03-24 1965-03-19 Dispositif d'alimentation automatique pour découper simultanément plusieurs épaisseurs
GB1104904A (en) * 1966-02-18 1968-03-06 Stafford Tool & Die Company Lt Cloth cutting apparatus
GB1241696A (en) * 1967-07-27 1971-08-04 Wilfried Baumann Device for feeding webs of material, for example textile material
GB1300890A (en) * 1970-07-07 1972-12-20 Stumpf Guenter A fabric folding or laying machine
DE2857481C2 (de) * 1978-06-30 1982-03-04 Günter O. 7421 Mehrstetten Stumpf Vorrichtung zur Lagerung von abzuwickelnden Stoffballen o.dgl.
DE2828917C3 (de) * 1978-06-30 1981-03-12 Stumpf, Günter O., 7421 Mehrstetten Vorrichtung zur Lagerung von abzuwickelnden Stoffballen o.dgl.
FR2437364A1 (fr) * 1978-09-29 1980-04-25 Automatisme Tech Dispositif pour derouler a partir d'une bobine un produit en bande et le deposer sur un support mobile
IT1123318B (it) * 1979-09-25 1986-04-30 Rockwell Rimoldi Spa Dispositivo svolgitore-alimentatore delle pezze in rotolo per macchine faldatrici
DE3307499C3 (de) * 1983-03-03 1995-02-09 Elmeg Regeleinrichtung zur kanten- oder mittengenauen Führung von bandförmigen Materialbahnen
IT1228852B (it) * 1989-02-22 1991-07-05 Meschi Ind Grafica Dispositivo svolgitore per bobine di carta.

Also Published As

Publication number Publication date
DE59208137D1 (de) 1997-04-10
DE4231388A1 (de) 1994-03-24
EP0589089A1 (fr) 1994-03-30
ATE149470T1 (de) 1997-03-15
DE4231388C2 (de) 1997-05-22

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