EP0292516B1 - Dispositif de reception, de transport, de positionnement et d'assemblage de pieces a usiner flexibles et plates - Google Patents

Dispositif de reception, de transport, de positionnement et d'assemblage de pieces a usiner flexibles et plates Download PDF

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Publication number
EP0292516B1
EP0292516B1 EP87907574A EP87907574A EP0292516B1 EP 0292516 B1 EP0292516 B1 EP 0292516B1 EP 87907574 A EP87907574 A EP 87907574A EP 87907574 A EP87907574 A EP 87907574A EP 0292516 B1 EP0292516 B1 EP 0292516B1
Authority
EP
European Patent Office
Prior art keywords
needles
needle bars
workpiece
parallel
base plate
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
EP87907574A
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German (de)
English (en)
Other versions
EP0292516A1 (fr
Inventor
Laszlo Arato
Ferenc Schell
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.)
Antogi AG
Original Assignee
Antogi AG
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 Antogi AG filed Critical Antogi AG
Priority to AT87907574T priority Critical patent/ATE94502T1/de
Publication of EP0292516A1 publication Critical patent/EP0292516A1/fr
Application granted granted Critical
Publication of EP0292516B1 publication Critical patent/EP0292516B1/fr
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
    • B65H3/00—Separating articles from piles
    • B65H3/22—Separating articles from piles by needles or the like engaging the articles
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing

Definitions

  • the invention relates to a device for picking up, transporting, positioning and assembling a single or also a plurality of flexible, flat workpieces in the dry, pre-soaked or wet state.
  • Such devices are required for the separation of stacked, preferably net or fleece-like, mainly porous workpieces, woven, knitted, knitted or felt-like fabrics, but also natural and synthetic leather in the finishing process or other treatment, finishing, manufacturing or To be able to include reinforcement processes manually, mechanically or automatically.
  • the device proposed in DE 3040197 has a central height adjustment, so it allows adaptation to the material thicknesses in batches, but this setting can only be made empirically, ie the needles are at their most sensitive point when setting.
  • the type of separation is unsatisfactory, since by definition the proposed hollow needles cannot be pointed needles and are therefore generally unsuitable for piercing workpieces. This applies particularly to dry workpieces. Wet and pre-impregnated workpieces respectively. their matrix would also clog the hollow needles.
  • the system also has the disadvantage that the needling of the needles cannot be controlled since the entire device has to be pressed against the workpiece.
  • EP 0187120 reports with the help of curved needles, which are attached in the end in concentrically arranged hollow cylinders and are rotated for separation in the opposite direction to one another, whereby this device can be adapted to the thickness of the workpieces to be separated thanks to central height adjustment .
  • the precise spiral movement of the needle tips enables gentle handling of the workpiece.
  • the precision of the coaxiality suffers, making the workpiece rattling inevitable.
  • the height adjustment can also only be carried out empirically, the ideal geometry of the crooked needles when handling the height adjustment is very at risk. If the needle curvatures deviate from the ideal line of the spiral, they cause injuries to the workpiece during the lancing process.
  • Another disadvantage of the device results from the round design, the decisive outer diameter being the adjusting ring projecting beyond the housing, for the clustered arrangement of the devices shown in DE 3040197, in particular when the devices are not only chain-like, but close to one another.
  • Another disadvantage of these devices is the relatively complicated design and the resulting complexity of the device, especially when you consider that, for example, the chain-like mentioned Arrangement depending on the size of the workpiece requires a variety of devices per workstation.
  • FR-A-2 293388 also shows a device of cylindrical design with needles pointing downwards and piercing along the surface line of a fictitious cone. It is interesting that the penetration depth of the needles can be regulated in two stages. Firstly, it is possible to choose the entire penetration range from 0 to maximum, secondly, it is possible to subdivide this total stroke as desired. This ability makes it possible to assemble workpieces stacked in two stacks with different thicknesses and, for example, to stack them in a third stack. Such applications can be found in upholstery, for example, where seat covers with intermediate layers and various upholstery materials have to be combined.
  • a disadvantage of this device is that, in order not to lose the workpieces, it also clamps due to the springing back of a centrally arranged plug, which results in the disadvantages described at the outset. It is therefore difficult to think of the use of such devices in the processing of fine leather, synthetic leather covers or fine nonwovens. In addition, the penetration depths can only be set empirically, which, as already explained, puts the fine needle tips at very high risk.
  • the object of the invention is to provide a device for picking up, assembling, transporting and positioning a flexible, flat workpiece, in which even fine and sensitive workpieces are reliably separated, transported and positioned without noticeable traces can be.
  • the device should offer optimal attachment options to the workstation, ideal conditions for the immediately linked arrangement, easily accessible height adjustment with precise display of the adjustment value for batch operation for a material thickness or a controlled height adjustment for various material thicknesses of individual or multiple layers .
  • the structure of the device should be simple and inexpensive, and should make it possible to expand the functions, in particular for computer-aided automation, for example for checking the state of charge, measuring the material thickness and the contact pressure of the base plate on the stack.
  • the device in addition to the usual actuation with compressed air, it should be possible to use electrical current as the power source, and finally, depending on the need, for cleaning purposes, the device should be in the area of the needles and needle bars through a supply line of a medium, for example compressed air or a liquid detergent and dishwashing detergent can also be cleaned from time to time in an automatic mode.
  • a medium for example compressed air or a liquid detergent and dishwashing detergent can also be cleaned from time to time in an automatic mode.
  • the device shown in Fig. 1 for receiving, transporting, positioning and assembling flexible, flat workpieces shows a cuboid design with compressed air connection 6 and threaded holes 8 'and 8' 'for clamping on a handle, not shown, or on a work machine. It consists of an upper housing part 1 and lower housing part 2 and a lowered base plate 3 which is pulled up on the sides of the lower housing part 2 and is fastened on both sides by the screws 3 '. It has a rotary knob 4 with knurled ring and vernier scale 4 ′′ that can be operated on both sides and is partially countersunk in the upper housing part, and a vernier on the upper housing part 5 with instructions for operating the height adjustment 5 ′ and 5 ′′.
  • the arrows 9 'and 9' ' show the direction of the section for the Fig.2.
  • Fig. 2 the device is shown in the unactuated, that is to say inactive, state. Therefore, the piston 10 is not in the stop with the threaded bushing 11 and the return spring 12 is not compressed. Since the anchor screw 16 engages in a groove 17 of the threaded bush 11, the threaded bush 11 is adjusted in height by turning the rotary knob 4, consisting of the knurled ring with a vernier scale 4 ′′, adjusting screw 4 ′′ ′′ and support ring 4 ′. The rotational movement is converted into a longitudinal movement, since the threaded bushing 11 is held by the anchor screw 16 is prevented from rotating.
  • the adjustment movement is reduced by a fine thread on the threaded bushing 11 and on the support ring 4 'in such a way that the accuracy of the setting can easily be a fraction of a hundredth of a millimeter.
  • the knurled ring with the vernier scale 4 '' is rotatably mounted on the support ring 4 'for assembly. Only when this match has been achieved are the two components combined by the adjusting screw 4 '''into one component and thus to the rotary knob.
  • the piston rod 14 is connected to the guide piece 15 by a press fit.
  • needle bars 20 are arranged in pairs and in a sandwich-like manner, which are each carried by two common guide pins 18 ′, 18 ′′.
  • the vertical movement of the needle bar 20 is taken over by a common guide pin for the vertical movement 21.
  • This guide pin for the vertical movement 21 is let into the side walls of the lower housing part 2 (see FIG. 4) and is secured on both sides against displacement by a screw 21 '(see FIG. 1).
  • the needle bars 20, as shown in FIGS. 2, 3 and 4 have the same shape, but opposite mounted rotated to each other.
  • the grippers When using at least two grippers, however, it can also be advantageous to equip the grippers with needle bars 20 that stick in the same direction.
  • the holding of the workpiece is achieved in that the grippers are rotated relative to one another by 180 ° in such a way that the piercing direction of the needles points from one another.
  • the piercing movement in the direction of the needles 20 'of the needle bars 20 is caused by the fact that the vertical linear movement of the piston 10, the piston rod 14, the guide piece 15 and the guide bolts emerging from this guide piece 15 for the horizontal movement 18' and 18 '' by these two Bolt is transferred to the needle bar 20 through the guide groove 20 ''.
  • the needle bars 20 are prevented from executing this vertical linear movement by the guide bolts anchored in the lower housing part 2 for the vertical movement 21 through the guide groove 20 ''', because, since this runs parallel to the needles 20', the needles 20 'become only one Allows movement in the direction of the needles 20 '.
  • the cuboid design allows such devices to be linked in a chain, because, as the openings in the base plate 3 ′′ in FIG. 4 show, these openings are offset from one another in such a way that the needles which extend beyond the contour of the device are in spite of immediate Attaching the devices to each other does not prevent each other from stinging.
  • the joint depth of several devices can be adjusted from this master device via toothed belt, by replacing the knurled ring with nonius scale 4 '' with tooth lock washers in the other devices.
  • These toothed lock washers like the knurled ring with nonius scale 4 '', can be attached to the ideal position using adjusting screws 4 '''.
  • the cuboid design enables the attachment or integration in the upper and lower parts 2 of sensors and sensors as well as other control devices, e.g.
  • the piercing movement of a device can take place, for example, by means of a speed-controlled spindle drive in an open or closed control loop.
  • Another possibility is to chain the adjustment of the lancing depth of the devices by transmission, as already shown, in such a way that they can be driven by a common drive regulated in an open or closed control loop.
  • material parts such as filaments, fluff, parts of the size or the impregnation can be deposited on the device, in particular the needles 20 'and the needle bars 20, as well as on their guides. Excessive deposits of this type can lead to malfunctions due to jamming or wear of the parts.
  • the operational blowing out with, for example, compressed air or a cleaning medium of the needle head 30 consisting of the guide piece 15 and the needle bars 20 and the guide bolts 18 ', 18''and 21 is proposed.
  • the side walls of the base plate 3 can have corresponding openings, not shown.
  • Another possibility is to immerse the gripper from time to time in a cleaning bath and to blow it out with a gas, eg nitrogen.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

Un dispositif de réception, d'assemblage, de transport et de positionnement d'une seule ou de plusieurs pièces à usiner flexibles et plates sèches, trempées au préalable ou humides comprend une plaque de base (3) et des barres parallèles d'aiguilles (20) portant des aiguilles inclinées vers le bas presque entrecroisées. Le percement se fait uniquement dans le sens des aiguilles et la profondeur du percement peut être réglée manuellement, en fonction de l'épaisseur du matériau des pièces à usiner ou selon des valeurs prédéterminées, de sorte que la profondeur du percement soit affichée. Le dispositif a de préférence une forme rectangulaire et convient à des agencements en chaîne. Il se prête particulièrement bien à l'incorporation ou à l'intégration de capteurs de mesure et d'appareils de commande. Des conduits de rinçage assurent un nettoyage automatique.

Claims (7)

  1. Dispositif servant à prendre, transporter, positionner et assembler une seule ou plusieurs pièces à travailler, souples, planes et pouvant être percées, composé d'un boîtier et d'au moins deux barres à aiguilles parallèles entre elles et par rapport à la pièce à travailler et décalables selon des axes parallèles et comportant des aiguilles (20') opposées inclinées vers le bas, caractérisé en ce que le boitier (2) ayant une plaque d'assise (3) à fentes est posé sur la pièce à travailler pour assurer une prise stérile sans tension de la pièce à travailler et sans laisser de traces visibles de cette prise sur la pièce, et en ce que les barres à aiguilles (20) sont déplacées de manière contrôlée à la verticale et à l'horizontale par rapport à la plaque d'assise (3), de sorte que les aiguilles (20) soient exclusivement déplacées en avant et en arrière dans le sens longitudinal.
  2. Dispositif selon la revendication 1 caractérisé en ce que les barres à aiguilles (20) présentent une rainure (20'') parallèle à la plaque d'assise (3) et interrompue une fois au milieu des barres à aiguilles (20) ainsi qu'une rainure oblique connexe (20'''), qui sont parallèles aux aiguilles (20') de la barre à aiguilles (20), et en ce que les barres à aiguilles (20) sont agencées en paires et coulissent les unes sur les autres en sandwich et en ce qu'elles comportent trois broches communes (18', 18'', 21), dont une (21) est logée dans le boitier (2) et les deux autres sont fixées dans une pièce de guidage en fourche (15), où les barres à aiguilles (20) sont empêchées par les broches de guidage (21) ancrées dans le boîtier (2) de suivre le mouvement de la pièce de guidage (15) de telle sorte que le mouvement des barres à aiguilles (20) suive la rainure de guidage (20''') parallèle à la direction des aiguilles (20').
  3. Dispositif selon les revendications 1 et 2, caractérisé en ce que la profondeur de piquage des aiguilles déterminée par la limitation du mouvement linéaire de la pièce de guidage (15) au moyen d'une douille taraudée (11) ajustable vissée dans la bague d'appui (4'), soit telle que la mesure de la profondeur de piquage est indiquée.
  4. Dispositif selon les revendications 1 à 3, caractérisé en ce que la profondeur de piquage des aiguilles est déterminée par la commande du mouvement linéaire de la pièce de guidage (15).
  5. Dispositif selon les revendications 1 à 4, caractérisé par l'ajout ou l'incorporation d'au moins une amenée de milieux gazeux ou liquides.
  6. Dispositif selon les revendications 1 à 5, caractérisé par l'ajout ou l'incorporation au dispositif même d'appareils de commande tels que capteur de pression, mesureur d'épaisseur, capteurs tactiles etc, permettant d'identifier l'état de fonctionnement du dispositif ou de contrôler les paramètres de fonctionnement tels que la profondeur de piquage.
  7. Dispositif selon les revendications 1 à 6, caractérisé par un agencement en forme de chaîne et par le fonctionnement d'un tel enchaînement.
EP87907574A 1986-12-03 1987-12-03 Dispositif de reception, de transport, de positionnement et d'assemblage de pieces a usiner flexibles et plates Expired - Lifetime EP0292516B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87907574T ATE94502T1 (de) 1986-12-03 1987-12-03 Vorrichtung zum aufnehmen, transportieren, positionieren und assemblieren eines flexiblen, flaechigen werkstueckes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4821/86 1986-12-03
CH4821/86A CH680850A5 (fr) 1986-12-03 1986-12-03

Publications (2)

Publication Number Publication Date
EP0292516A1 EP0292516A1 (fr) 1988-11-30
EP0292516B1 true EP0292516B1 (fr) 1993-09-15

Family

ID=4283129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87907574A Expired - Lifetime EP0292516B1 (fr) 1986-12-03 1987-12-03 Dispositif de reception, de transport, de positionnement et d'assemblage de pieces a usiner flexibles et plates

Country Status (6)

Country Link
US (1) US5114132A (fr)
EP (1) EP0292516B1 (fr)
AU (1) AU8237087A (fr)
CH (1) CH680850A5 (fr)
DE (2) DE8717528U1 (fr)
WO (1) WO1988004271A1 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8811030U1 (de) * 1988-09-01 1988-10-20 Spühl (Deutschland) GmbH, 6800 Mannheim Nadelgreifer
EP0461074B1 (fr) * 1990-06-04 1995-11-29 Zünd Systemtechnik Ag Dispositif pour avancer et tenir un matériau en bande
US5624110A (en) * 1995-11-06 1997-04-29 The Charles Stark Draper Laboratory, Inc. Cut segment pick-up assembly
FR2754804B1 (fr) * 1996-10-18 1998-11-20 Huber Automation Dispositif de prehension et de maintien de produits alveolaires souples ou rigides, de produits textiles ou autres produits presentant une structure perforable
US5967505A (en) * 1997-03-21 1999-10-19 Levi Strauss & Co. Automatic feeder and inverter for fabric workpieces
NO321277B1 (no) * 2004-04-21 2006-04-18 Sinvent As Anordning og fremgangsmate for a gripe penetrerbare objekter
DE102004055974B4 (de) * 2004-11-19 2013-04-04 Maja-Maschinenfabrik Hermann Schill Gmbh & Co. Kg Vorrichtung zum Handhaben von biegeschlaffen Teilen
RU2466798C2 (ru) * 2008-05-22 2012-11-20 Этикон, Инк. Способ и устройство для нанесения покрытия из жидкости на пористый субстрат
CN104959284B (zh) * 2008-05-22 2017-06-09 伊西康公司 用涂层液体涂覆多孔基材的方法和设备
US8991882B2 (en) 2008-05-22 2015-03-31 Ethicon, Inc. Process and apparatus for coating a porous substrate with a coating liquid
KR100996440B1 (ko) * 2010-09-09 2010-11-24 한국뉴매틱(주) 핀-타입 그리퍼 장치
WO2013013202A2 (fr) * 2011-07-20 2013-01-24 Trebro Holding, Inc. Mécanisme de ramassage pour rouleaux de gazon
DE102011083451A1 (de) * 2011-09-26 2013-03-28 J. Schmalz Gmbh Vorrichtung zum Greifen von Werkstücken
DE102012019638B4 (de) * 2012-10-08 2015-06-18 Günther Zimmer Nadelgreifer mit elektrodynamischem Stellglied
EP3052412B1 (fr) * 2013-10-01 2017-11-22 J. Schmalz GmbH Dispositif de préhension à aiguille
JP6270595B2 (ja) * 2014-04-01 2018-01-31 鈴鹿エンヂニヤリング株式会社 ベールゴムの吊り揚げ搬送方法及びその装置
DE102014219719B4 (de) * 2014-09-29 2018-05-03 Ipr Intelligente Peripherien Für Roboter Gmbh Nadelgreifer
DE102014019875B3 (de) 2014-09-29 2019-05-29 Ipr Intelligente Peripherien Für Roboter Gmbh Set mit einem Nadelgreifer
ES2614875T3 (es) * 2014-11-05 2017-06-02 Anhui Yongcheng Electronic & Mechanical Technology Co., Ltd. Dispositivo de apertura de bolsas biónico para línea de llenado automática
CN106865193A (zh) * 2017-03-15 2017-06-20 台州职业技术学院 一种刺入式抓取器
CN109719038A (zh) * 2019-03-12 2019-05-07 广州盛原成自动化科技有限公司 布料抓取装置
TWI810085B (zh) * 2022-10-07 2023-07-21 峻典股份有限公司 多角度刺針夾具裝置

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
AT238640B (de) * 1962-02-21 1965-02-25 Trikotfabriken J Schiesser Ag Vorrichtung zum Ergreifen und Abgeben von Gebilden aus einem anstechbaren Stoff, insbesondere von Geweben, Gewirken und Gestricken
US4009786A (en) * 1974-12-02 1977-03-01 Kenneth Joseph Littlewood Method of and apparatus for handling fabric workpieces
BE846649A (nl) * 1976-09-28 1977-03-28 Werkwijze en inrichting voor het opnemen van soepele vellen van een stapel
IT1152183B (it) * 1982-05-17 1986-12-31 Rockwell Rimoldi Spa Dispositivo rilevatore di presa dei pezzi prelevati da una testina di prelievo
US4613123A (en) * 1984-05-18 1986-09-23 The Singer Company Material handling device

Also Published As

Publication number Publication date
DE3787465D1 (de) 1993-10-21
AU8237087A (en) 1988-06-30
WO1988004271A1 (fr) 1988-06-16
US5114132A (en) 1992-05-19
CH680850A5 (fr) 1992-11-30
EP0292516A1 (fr) 1988-11-30
DE8717528U1 (de) 1989-01-12

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