WO2000035794A1 - Dispositif d'approvisionnement en bande de materiau souple d'une station de travail - Google Patents
Dispositif d'approvisionnement en bande de materiau souple d'une station de travail Download PDFInfo
- Publication number
- WO2000035794A1 WO2000035794A1 PCT/FR1999/002996 FR9902996W WO0035794A1 WO 2000035794 A1 WO2000035794 A1 WO 2000035794A1 FR 9902996 W FR9902996 W FR 9902996W WO 0035794 A1 WO0035794 A1 WO 0035794A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strip
- transfer plate
- work station
- cutting
- plate
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000005520 cutting process Methods 0.000 claims description 46
- 239000004744 fabric Substances 0.000 claims description 13
- 230000003100 immobilizing effect Effects 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
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
- B65H20/00—Advancing webs
- B65H20/16—Advancing webs by web-gripping means, e.g. grippers, clips
- B65H20/18—Advancing webs by web-gripping means, e.g. grippers, clips to effect step-by-step advancement of web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/512—Changing form of handled material
- B65H2301/5125—Restoring form
- B65H2301/51254—Unshirring
Definitions
- the present invention relates to the field of devices for supplying a strip of flexible material, unwound for example from a reel, in order to supply a work station.
- This known device has the drawback of immobilizing the sheet over the entire active surface of the workstation. Thus, if folds are created during transport of the sheet, there is a risk of not cutting the strip to the desired length.
- this known device only allows the sheet to be separated from its roll and not to perform other operations on this sheet, since it is pressed over its entire surface on the support plate.
- the object of the present invention is to remedy these drawbacks by proposing a device capable of feeding flexible material into a work station, and of placing said strip on the work station so as to allow its treatment under optimal conditions, in particular tension to remove the folds from the strip.
- the present invention allows the supply of multi-layer strip mattresses from a cutting station.
- Clothes for clean rooms require, for reasons of protection and hygiene in particular, important precautions during manufacturing.
- known methods carry out in several operations the assembly comprising an overcasting, that is to say a seam along the cutting to fix the fibers of the edges, and a double flap to trap them definitely.
- the present invention overcomes these problems by providing, then simultaneous cutting, a fabric mattress comprising different layers of material (for tracksuits intended for clean rooms) by means of a laser beam.
- the device for supplying a work station with a strip of flexible material unwound from a reel comprising a transfer plate, driven by a movement of translation of horizontal axis. longitudinal, by means of displacement, between a first position for loading the strip of material and a second so-called working position, said transfer plate comprising first means capable of immobilizing the strip on said plate when moving the latter from the loading position to that of work, is characterized in that the transfer plate is able to support on its surface the strip, and in that the work station comprises second means immobilizing capable of retaining the free end of the strip, so that the return of the transfer plate from the working position to that of loading creates, by friction of the band on said plate, forces tending to unfold the part of the strip associated with the workstation.
- the strip of flexible material is composed of several independent layers or overlapping widths of material.
- the work station comprises a work table on which is able to rest the strip of flexible material during the return of the transfer plate.
- the transfer plate is located above and directly above said work table.
- the means for moving the transfer plate comprise guide and drive means.
- the first immobilization means comprise means for gripping said strip on the plate, for example at least one actuator secured to said transfer plate.
- the second immobilization means consist of at least one member capable of pinching the free end of the strip on the work table.
- a development of the invention provides, upstream of the transfer plate, several coils of strips of material, the axes of which are situated substantially in a horizontal plane positioned slightly below the surface of the transfer plate on which the multilayer strip rests.
- the (or said) coil (s) of material is (are) braked.
- the advancement rating of the strip is adjustable.
- a vapor projection ramp is provided which is capable of humidifying the different layers.
- the device preferably comprises a lifting table comprising at least one horizontal plane capable of removing the strip of fabric from the work station.
- the device for cutting flexible material into strips comprising:
- a device for supplying a translational movement of a longitudinal horizontal axis parallel to the strip, by means of displacement means between a loading position and a position for cutting the strip of flexible material comprising first means of immobilizing said strip unwound upstream during the movement of said supply device,
- a workstation comprising second means for immobilizing the strip and a device for cutting said strip, is characterized in that the strip consists of several superposed independent layers of material and in that the device cutting comprises laser beam emission means and means for moving said emission means along a longitudinal horizontal axis and a transverse horizontal axis, perpendicular to the latter, relative to the work station.
- FIG. 1 shows a top view of the device.
- FIG. 1 is a side view of the device of Figure 1.
- FIG. 1 is a side view of the device of Figure 1.
- FIG. 1 shows schematically from the side the respective positions of the device for each step of a cycle.
- FIGS. 4a and 4b are sectional and detailed views of the clamping means of the strip on the work table.
- FIG. 5 is a top view of a member associated with the immobilization means attached to the end of the transfer plate.
- the work station is a laser beam cutting station
- the strip is made of a material of the fabric or nonwoven type, foam, paper, cardboard or all materials in rolls capable of being cut by laser.
- the direction of reading of the figures, particularly of Figures 1 and 2 is from left to right along a horizontal axis XX ′ in the ground plane.
- the upstream is the leftmost part of the device, the downstream being on the right along the axis XX '.
- the longitudinal direction is parallel to the axis XX 'while the transverse direction represented by the axis YY' is perpendicular to the axis X-X '.
- an axis Z-Z ' perpendicular to the plane defined by the axes XX' and oriented upwards, serves as a reference for measuring the height.
- width and length refer respectively to the concepts “longitudinal” and “transverse”.
- FIG. 1 and 2 there is shown schematically in top view and side of the entire device, except for the lifting table evacuation.
- the ground is horizontal and materialized by the plane X-X '- Y- Y'.
- a coil store 1 here comprising six coils allows, downstream, to supply the device.
- On each reel 1 is wound a width of a given type of fabric and the different widths 2A, 2B, 2C form independent superposed layers which constitute a strip 2.
- the axes of the reels 1 are horizontal and parallel to each other.
- a structure 3 supports the rotation shafts of the coils 1 parallel to the axis Y-Y 'and arranged in a single plane parallel to the ground.
- a transfer plate 4 Downstream of the coils 1, there is a transfer plate 4, of rectangular shape, arranged horizontally relative to the ground. The latter rests on a support 5 fixed relative to the ground and has a transverse dimension at least equal to the width of a coil 1. Said plate 4 is able to move in translation along the axis XX 'via any known means of movement (not shown). To these are associated guide means (slides, rollers, etc.) and control means, all of these means being known and not shown. The translational plane of the transfer plate 4 is slightly above the horizontal plane defined by the axes of the coils 1.
- a work station 6 for laser cutting downstream of the transfer plate 4 is arranged a work station 6 for laser cutting.
- the latter comprises a horizontal, rectangular cutting table 7, of dimensions substantially equal to those of the plate 4 and fixed relative to the ground.
- Said cutting table 7 is in a plane which is situated slightly below that of the transfer plate 4 so that the latter comes to position itself, when it moves, above the cutting table 7.
- FIG. 2 shows first immobilization means comprising a clamp 8, called transfer clamp.
- This is integral with the transfer plate 4 and is produced using any known means such as for example at least two jacks arranged at the end of the transfer plate 4, on the side of the coils 1, aligned along an axis parallel to the axis YY 'and spaced apart by a width slightly less than that of the coils 1.
- the transfer clamp 8 is able to move in translation in solidarity with the plate 4 along the axis X-X 'and independently of said plate 4 along the axis Z-Z' in order to immobilize the strip 2 of tissue on said plate 4.
- the cutting station 6, in addition to the cutting table 7, comprises a transverse carriage 9 movable in longitudinal translation along the axis XX ′, by means of known displacement means and not shown.
- the carriage 9 comprises a means 10 (known per se) capable of emitting a laser beam 11 to allow, by being driven along the axes XX 'and Y-Y', by control means not shown and known in them- same, to cut according to the programmed pattern the strip of fabric placed on the cutting table 7.
- the laser beam 11, by cutting the strip 2 produces a micro burn of the different layers, preventing the appearance of fibers on the edges.
- the garment obtained is therefore more reliable and more competitive since, in a single operation, the invention provides both the supply, the cutting and the neutralization of the fibers on the edge of the superimposed layers of the strip 2 of fabrics.
- a second immobilization means such as a clamp 12 holding capable of immobilizing the strip 2 of tissue over their entire width, on the cutting table 7; the clamp 12 is described later.
- Figures 3a, 3b, 3c, 3d and 3e show, in schematic side view, the respective positions of the device of the invention during an operating cycle.
- the initialization (step not shown) is carried out manually by the operator. This step consists in successively bringing each width of tissue forming the strip 2 to the end of the transfer plate 4. For this, it pulls the tissue from each spool 1, passes it under the transfer clamp 8 and unrolls it to the end of the transfer plate 4. By superimposing the different fabrics from the different spools 1, a mattress is placed on the plate 4.
- the thicknesses, in particular those of the transfer plate 4 and the strip 2 of fabrics, have been enlarged for the sake of clarity.
- the transfer clamp 8 is then lowered, immobilizing the mattress on the transfer plate 4.
- the device is in the configuration shown in Figure 3a.
- the clamp 8 is lowered when it is close to the spools 1, at the start of the cycle, so as not to damage the fabric mattress which rests on the plate 4.
- the holding clamp 12 is in the raised position when the plate 4 begins to move in translation, as shown in Figure 3b, through actuators provided for this purpose (not shown).
- the transfer from the plate 4 to the cutting station 6 performs, upstream from the plate 4, the simultaneous unwinding of the different widths of the strip 2.
- the advancement dimension of the transfer plate 4 can be arbitrary and therefore correspond to the length of fabric only necessary.
- the holding clamp 12 is brought into line with the end of the transfer plate 4.
- the position of the end of the plate 4 corresponds to that of the end of the cutting table 7 since the advancement dimension shown is the maximum dimension.
- the transfer clamp 8 can then be raised and the transfer plate 4 follows the opposite path as shown in FIG. 3d.
- the transfer clamp 8 is lowered then the holding clamp 12 raised, as shown in Figure 3e.
- the part of the mattress which then rests on the cutting table 7 can be treated by the laser beam 11.
- the strip 2 is cut according to one or more patterns before being separated from the following mattress by cutting over the entire width of the strip 2.
- a variant consists in first isolating the mattress placed on the cutting table 7 by cutting it over its entire width, the next mattress being ready for a new cycle.
- FIGS. 4a and 4b show, in cross-sectional views, the details of the means of gripping the strip 2 on the cutting table 7, by the holding clamp 12.
- the mattress is held on the transfer plate 4 by the transfer clamp 8 (not shown).
- the plate 4 is brought above the cutting table 7 to the desired advancement dimension.
- the advancement dimension corresponds to the maximum dimension, that is to say at the end of the cutting table 7.
- the transfer plate 4 comes to a standstill and the retaining clamp 12 is lowered in order to block the mattress on the cutting table 7.
- a spatula 13 is brought in by any known means at the end of the plate. transfer 4 and at least one recess 14 is produced on the edge of said spatula 13 facing downstream. The cross sections of FIGS. 4a and 4b pass through this recess 14.
- the spatula 13 has an inclination downstream which allows the fabric mattress not to undergo excessive tension break on the downstream edge of the transfer plate 4.
- the strip 2 is brought together progressively from the cutting table 7 from the surface of the transfer table 4 supporting the strip.
- the retaining clamp 12 pinches the mattress on the cutting table 7 passing through the recess 14 of the spatula 13.
- the strip 2 of tissue is then fixed relative to the cutting table 7 and the transfer plate 4 can return to the initial loading position.
- FIG. 5 shows, seen from above, the detail of the spatula 13 according to a particular embodiment where the holding clamp 12 is made up of four jacks distributed over the width of the cutting table 7.
- Four recesses 14 arranged opposite these cylinders are provided on the spatula 13 in order to achieve a substantially uniform pinching of the strip 2 on the cutting table 7.
- the spatula 13 is generally rectangular in shape and its transverse dimension corresponds to the transverse dimension of the transfer plate 4.
- the spatula 13 being attached to the transfer plate 4, in its extension along the axis XX ′, its thickness is substantially identical to that of said transfer plate 4.
- the second immobilization means are fixed relative to the cutting table 7.
- said holding clamp 12 is independent of the transverse carriage 9 and the dimension advancement of the transfer plate 4 is no longer adjustable.
- the holding clamp 12 can be fixed to the downstream end of the cutting table 7, the advancement dimension then being maximum.
Landscapes
- Treatment Of Fiber Materials (AREA)
- Manufacturing Of Electric Cables (AREA)
- Sewing Machines And Sewing (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Replacement Of Web Rolls (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Advancing Webs (AREA)
- Electroplating Methods And Accessories (AREA)
- Adhesive Tape Dispensing Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU15647/00A AU1564700A (en) | 1998-12-15 | 1999-12-02 | Device for supplying strip flexible material to a work station |
DE69908647T DE69908647T2 (de) | 1998-12-15 | 1999-12-02 | Zuführvorrichtung für band aus weichem material an einer arbeitsstation |
US09/856,509 US6624381B1 (en) | 1998-12-15 | 1999-12-02 | Device for supplying strip flexible material to a work station |
AT99958235T ATE242167T1 (de) | 1998-12-15 | 1999-12-02 | Zuführvorrichtung für band aus weichem material an einer arbeitsstation |
EP99958235A EP1140680B1 (fr) | 1998-12-15 | 1999-12-02 | Dispositif d'approvisionnement en bande de materiau souple d'une station de travail |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9815835A FR2787098B1 (fr) | 1998-12-15 | 1998-12-15 | Dispositif d'approvisionnement en bande de materiau souple d'une station de travail |
FR98/15835 | 1998-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000035794A1 true WO2000035794A1 (fr) | 2000-06-22 |
Family
ID=9533999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/002996 WO2000035794A1 (fr) | 1998-12-15 | 1999-12-02 | Dispositif d'approvisionnement en bande de materiau souple d'une station de travail |
Country Status (7)
Country | Link |
---|---|
US (1) | US6624381B1 (fr) |
EP (1) | EP1140680B1 (fr) |
AT (1) | ATE242167T1 (fr) |
AU (1) | AU1564700A (fr) |
DE (1) | DE69908647T2 (fr) |
FR (1) | FR2787098B1 (fr) |
WO (1) | WO2000035794A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017213255B3 (de) * | 2017-08-01 | 2018-07-26 | Lindauer Dornier Gesellschaft Mit Beschränkter Haftung | Vorrichtung zum Abzug eines bahnförmigen Produktes von einer Webmaschine |
HUE053090T2 (hu) * | 2017-11-23 | 2021-06-28 | Dallan Spa | Berendezés tekercsbe tekercselt lamináris anyag darabjainak lézer- vagy plazmavágással történõ vágására |
EP3699305A1 (fr) * | 2019-02-19 | 2020-08-26 | Comelz S.p.A. | Appareil de commande numérique pour le découpage automatique d'une feuille de matériau ou de multiples feuilles superposées |
EP3699303A1 (fr) | 2019-02-19 | 2020-08-26 | Comelz S.p.A. | Dispositif accessoire pour faciliter l'alimentation de feuilles de matériau à découper dans des machines cnc |
EP3699304B1 (fr) * | 2019-02-19 | 2022-09-14 | Comelz S.p.A. | Appareil de fixation et de découpe améliorées de matériau en feuilles |
EP3699302A1 (fr) * | 2019-02-19 | 2020-08-26 | Comelz S.p.A. | Appareil de découpage d'un matériau en feuille |
CN111037120A (zh) * | 2020-01-09 | 2020-04-21 | 深圳市泽诚自动化设备有限公司 | 一种激光切割机 |
CN114311756B (zh) * | 2022-03-15 | 2022-05-17 | 常州江苏大学工程技术研究院 | 一种风电叶片主梁纤维布铺放装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2172530A5 (en) * | 1972-02-16 | 1973-09-28 | Etienne Francine | Film transport mechanism - using a single motor for synchronised transfer, welding and cutting operations |
DE3610551A1 (de) * | 1985-11-11 | 1987-05-14 | Kiefel Hochfrequenz Paul | Einrichtung zum herstellen von aus kunststoffolienbahnen gebildeten nutzen |
EP0384136A2 (fr) * | 1989-02-21 | 1990-08-29 | Aristo Graphic Systeme GmbH & Co. KG | Dispositif automatique pour le traitement pas à pas d'une bande de matériau plat |
EP0507733A1 (fr) * | 1991-04-03 | 1992-10-07 | Ciba-Geigy Ag | Dispositif pour couper et empiler des feuilles |
EP0860249A1 (fr) * | 1995-09-08 | 1998-08-26 | Gerber Garment Technology, Inc. | Méthode ainsi que dispositif pour découper un matériau en feuille |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE384136C (de) | 1922-11-05 | 1923-11-03 | Bayerischer Bergaerar Vertrete | Doppelt wirkende Stampfmaschine mit mehreren in zwei Gruppen unterteilten Stampfern |
DE507733C (de) | 1929-01-06 | 1930-09-19 | Linke Hofmann Busch Werke Akt | Verbindung des abgefederten Fahrgestells eines Gleiskettenfahrzeuges mit den Gleiskettenfuehrungsrahmen |
GB1239406A (fr) * | 1967-09-21 | 1971-07-14 | ||
JPS5915551A (ja) * | 1982-07-16 | 1984-01-26 | 株式会社山東鉄工所 | 高熱液噴射ノズル |
-
1998
- 1998-12-15 FR FR9815835A patent/FR2787098B1/fr not_active Expired - Fee Related
-
1999
- 1999-12-02 AU AU15647/00A patent/AU1564700A/en not_active Abandoned
- 1999-12-02 AT AT99958235T patent/ATE242167T1/de not_active IP Right Cessation
- 1999-12-02 EP EP99958235A patent/EP1140680B1/fr not_active Expired - Lifetime
- 1999-12-02 DE DE69908647T patent/DE69908647T2/de not_active Expired - Fee Related
- 1999-12-02 WO PCT/FR1999/002996 patent/WO2000035794A1/fr active IP Right Grant
- 1999-12-02 US US09/856,509 patent/US6624381B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2172530A5 (en) * | 1972-02-16 | 1973-09-28 | Etienne Francine | Film transport mechanism - using a single motor for synchronised transfer, welding and cutting operations |
DE3610551A1 (de) * | 1985-11-11 | 1987-05-14 | Kiefel Hochfrequenz Paul | Einrichtung zum herstellen von aus kunststoffolienbahnen gebildeten nutzen |
EP0384136A2 (fr) * | 1989-02-21 | 1990-08-29 | Aristo Graphic Systeme GmbH & Co. KG | Dispositif automatique pour le traitement pas à pas d'une bande de matériau plat |
EP0507733A1 (fr) * | 1991-04-03 | 1992-10-07 | Ciba-Geigy Ag | Dispositif pour couper et empiler des feuilles |
EP0860249A1 (fr) * | 1995-09-08 | 1998-08-26 | Gerber Garment Technology, Inc. | Méthode ainsi que dispositif pour découper un matériau en feuille |
Also Published As
Publication number | Publication date |
---|---|
ATE242167T1 (de) | 2003-06-15 |
DE69908647T2 (de) | 2004-04-29 |
FR2787098B1 (fr) | 2001-06-22 |
FR2787098A1 (fr) | 2000-06-16 |
AU1564700A (en) | 2000-07-03 |
EP1140680A1 (fr) | 2001-10-10 |
DE69908647D1 (de) | 2003-07-10 |
EP1140680B1 (fr) | 2003-06-04 |
US6624381B1 (en) | 2003-09-23 |
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