EP1344616B1 - Dispositif pour aspirer les bords coupé d'un matériau en bande - Google Patents

Dispositif pour aspirer les bords coupé d'un matériau en bande Download PDF

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Publication number
EP1344616B1
EP1344616B1 EP03003887A EP03003887A EP1344616B1 EP 1344616 B1 EP1344616 B1 EP 1344616B1 EP 03003887 A EP03003887 A EP 03003887A EP 03003887 A EP03003887 A EP 03003887A EP 1344616 B1 EP1344616 B1 EP 1344616B1
Authority
EP
European Patent Office
Prior art keywords
web
sensor
feeler
suction
edge strip
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
EP03003887A
Other languages
German (de)
English (en)
Other versions
EP1344616A1 (fr
Inventor
Dieter Mayer
Bernd Wildegger
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.)
Erhardt and Leimer GmbH
Original Assignee
Erhardt and Leimer 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
Application filed by Erhardt and Leimer GmbH filed Critical Erhardt and Leimer GmbH
Publication of EP1344616A1 publication Critical patent/EP1344616A1/fr
Application granted granted Critical
Publication of EP1344616B1 publication Critical patent/EP1344616B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • 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
    • D06H7/04—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
    • D06H7/06—Removing selvedge edges

Definitions

  • the invention relates to a device for sucking a from a moving web, in particular one Textile web separated edge strip, according to the preamble of claim 1
  • From DE 198 60 425 C1 is a device for separating of cover and filling materials in a packaging known by quilts.
  • This device has an intake pipe for an edge strip, in which a arranged as a light barrier sensor array arranged is. This sensor line indicates whether there is a border strip in the pipe was pulled in.
  • From US-3,731,570 is a device for suction and removing a cut edge of a strip of material known , where the tension of the cropped edge is monitored by a sensor integrated in a pulley.
  • the invention is based on the object, a device to create the type mentioned, with the Incidents are reliably detectable.
  • the device according to claim 1 is used for aspirating a from a moving web, in particular a textile web separated edge strip.
  • a separation of the marginal strip could be required, for example, if this damaged by a pin chain or by one upstream process was frayed.
  • To separate the Edge strip from the rest of the web is preferably a knife used, which in particular as a rotating Circular knife is formed.
  • To achieve an optimal Cutting action is the axis of rotation of this circular knife parallel to the fabric web plane and perpendicular to the web running direction aligned. So that the separated edge strip the transport and further processing of the web does not bother, this is done by means of a suction nozzle pulled into an intake pipe. This intake pipe is - seen in the direction of web travel - the intersection of the knife downstream.
  • the intake pipe is at the intersection aligned so that the severed Edge strips with only a small deflection and thus especially is easily pulled into the intake pipe.
  • Of the Edge strip of the web can not in places complete separation by the knife again from the Suction tube are pulled out. Because this pulled out Edge strip can lead to damage to the system, It is important to be able to recognize this incident.
  • a mechanically groping on the intake manifold Sensor provided which can detect this incident.
  • This mechanically groping feeler will be of at least one Spring held in a position in which he over the free end of the intake pipe protrudes.
  • the mechanically groping Sensor is also adjustable, where he is correct to the intake pipe tapered edge strip of this is not touched. With proper operation of the device accordingly remains the mechanically groping sensor in its projecting beyond the free end of the intake pipe Location. If, however, the edge strip of the web by the mechanically probing sensor to a predetermined Minimum angle deflected, so this applies to the mechanical groping feelers a corresponding force, the this adjusted against the force of the spring. Such Deflection of the edge strip of the material web at the mechanical groping feeler comes especially in those Cases in which the marginal strip is not complete was separated from the rest of the web or in which the edge strip has caught on the needle chain.
  • This sensor Around register the adjustment of the mechanically probing probe to be able to do this with a corresponding Sensor in operative connection.
  • This sensor generates a signal which the extraction of the edge strip from the Indicates intake pipe. This signal can vary widely Way to increase the operational safety of Device are used.
  • the mechanically probing probe around a in approximately parallel to the fabric level and approximately vertical pivoted to the web direction pivot axis.
  • the pivot axis is located in a region of the intake pipe facing away from the web. In this way, results in that of the web facing Range of mechanically probing probe one maximum responsiveness, so that this total works very sensitively.
  • the separated edge strip is in the web running direction pulled along the web edge.
  • the mechanically groping feeler the Edge strips regardless of its position transverse to the web running direction detected, it is advantageous according to claim 5, if the mechanically groping feeler at least that of the goods web facing side of the intake pipe overlaps. At The other sides of the intake pipe, this can also be overlapped by the mechanically groping feeler to However, this is not necessarily the case necessary.
  • the adjustment of the mechanical groping sensor corresponding signal easily it is advantageous according to claim 7, if the sensor is the adjustment of the mechanical probing sensor into an electrical signal.
  • the sensor in Form of an electric switch to realize, especially the sensor only provides a pure yes-no decision got to.
  • the adjustment or Adjustment angle of the mechanically probing sensor as a proportional value to capture so that an electrical switch as a sensor is completely sufficient.
  • the sensor could also be considered inductive or capacitive Proximity sensor be formed, which is characterized by the absence of any moving parts. This is particularly advantageous in areas where the air is heavily contaminated by dust or flakes of the web is.
  • a proximity sensor is opposite such Pollution relatively insensitive.
  • the senor is in operative connection with a warning device.
  • the warning device a emits acoustic and / or optical signal. This warning device warns the operator so that this appropriate countermeasures can take. For example could the pulling out of the intake pipe Part of the edge strip of the web simply cut off so that this again through the suction flow in the intake pipe is sucked in.
  • the sensor it is provided according to claim 10, to connect the sensor with drives of the web.
  • the web speed to slow down when an accident occurs, so that the operator has more time accordingly, to fix the error. It is also slowed down by a slowdown the web-run also the cutting of the not complete separated edge strip from the web easier.
  • the sensor could also be a shutdown cause the drives of the web, but what to a correspondingly large committee in the production leads.
  • the senor contains the spring.
  • an electric Switch is used as a sensor is a corresponding one Spring already installed in these, so this advantageously also used for biasing the probe can be.
  • the intake pipe into a pressurizable nozzle empties.
  • This nozzle easily generates the required Suction flow, which is used for sucking the separated Marginal strip provides.
  • the nozzle is as Venturi nozzle designed to be as efficient as possible To achieve suction. Is the free end of the Intake manifold sufficiently close to the knife, that's enough In this way, generated suction flow to that of the knife Separate separated edge strip of the web automatically.
  • a threading of the edge strip in the intake manifold is not required.
  • FIG. 1 shows a device 1 for aspirating a Edge strip 2, which is separated from a moving web 3 has been.
  • the web 3 is thereby not shown Rolls transported in web direction 4.
  • Through these needle chains are in the edge strips 2 of the web 3 holes 5 emerged, so that the edge strip 2 of the web 3 is no longer used can be. It is therefore necessary to have these edge strips 2 separate from the rest of the web 3.
  • a circular blade 6 is provided which of a Motor not shown driven in the direction of rotation 7 is.
  • This circular blade 6 dives with a cutting edge 8 in the web 3 and separates in this way the Edge strip 2 of the remaining web 3.
  • a shaft 6a of the circular blade 6 is perpendicular to the web running direction 4th and aligned parallel to the plane of the web 3.
  • One another circular blade is provided on the web bottom, which is aligned with the circular blade 6 overlapping is to ensure a high cut safety.
  • a hose 10 a connected, which in a not shown, air-permeable waste container opens, which receives the edge strip 2.
  • the hose 10a opens into a connected to a compressed air line 11 Venturi 12. Via this compressed air line 11 is Compressed air in direction 13 injected into the venturi 12.
  • the effect of the venturi 12 is the air entrained in the tube 10 a, so that in the intake pipe 10 of the Suction 9 is formed.
  • the intake pipe 10 is aligned at an acute angle ⁇ to the web running direction 4. Viewed in a projection perpendicular to the plane of the web 3, The intake pipe 10 is aligned with the web running direction 4. Alternatively, the intake pipe 10 could also be aligned perpendicular to the web running direction 4. Furthermore is the free end 14 of the intake pipe 10th near the intersection 37 of the circular blade 6, so that too when pulling in a new web 3 the beginning of Edge strip 2 easily pulled into the intake pipe 10 becomes. By this orientation of the intake pipe 10 for Intersection point 37 of the circular blade 6 is particularly ensured that the separated edge strip 2 of the web 3 between the circular blade 6 and the free end 14 of the intake pipe 10 is deflected only slightly.
  • the intake pipe 10 is a mechanically grooving Sensor 15 is provided, which has a pivot bearing 16 is held pivotable about a pivot axis 17.
  • the pivot axis 17 is parallel to the plane of the web 3 and aligned perpendicular to the web running direction 4 and it is located in one of the web 3 facing away region 18 of the intake pipe 10.
  • a sensor 25 is held on the tube 22.
  • This Sensor 25 is used to achieve optimum responsiveness usually at the bottom of the intake pipe 22 may be provided. In Figure 1 he is only purpose a better visibility laterally on the tube 22 shown.
  • the sensor 25 has a pivot arm 26 which is loaded by a spring 27 against the probe 15. These Spring 27 thus presses the sensor 15 in the in Figure 1 shown location.
  • the sensor 25 has an electrical Switching contact 28, the adjusting movement of the sensor 15 converted into an electrical signal.
  • the output from the electrical switching contact 28 electrical Signal is sent via a signal path 29, an acoustic 30 and an optical warning device 31 is supplied. About these warning devices 30, 31 is the operator informed about a fault. additionally is connected to the signal path 29, a motor 32, the is connected to rollers, not shown, which the Transport web 3.
  • the edge strip runs 2 properly in the intake pipe 10 a.
  • the two warning devices 30, 31 are inactive and the motor 32 is driven for rotation.
  • Deviating from the embodiment of Figure 1 could the sensor 25 only with the acoustic warning device and / or the optical warning device 31 be connected so that the device 1 the transport the web 3 influenced in any way. In this Case, the operator must timely report the incident to prevent damage to the system. It is also conceivable, the sensor 25 only with the drive motor 32 to connect, so that the operator by the suddenly decelerated or stationary web 3 is made aware of the accident.
  • the same device 1 is provided in mirror image. This serves to separate and suck in the opposite Edge strip 2 of the web 3.
  • FIG. 2 shows the illustration according to FIG. 1 during occurrence an accident, wherein like reference numerals are the same Name parts.
  • the edge strip 2 is not completely off the web 3 separated, so that the edge strip 2 with the moving web 3 is taken.
  • the edge strip 2 is therefore in the direction 34 pulled out of the intake pipe 10 again and may be, for example, at an underlying Pinch the needle chain and damage it or its deflection.
  • the portion pulled out of the intake pipe 10 runs 35 of the edge strip 2 is not tangential to the intake manifold 10. This section 35 of the edge strip 2 is rather, the sensor 15 is deflected by an acute angle ⁇ . Thus, the edge strip 2 exerts a force on the Feeler 15, which pivots this in the direction 36.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Advancing Webs (AREA)
  • Cleaning In General (AREA)

Claims (12)

  1. Dispositif pour l'aspiration d'un ruban marginal (2) séparé d'une bande de matériau en mouvement (3), en particulier d'une bande textile, le dispositif (1) présentant un tube d'aspiration (10) dans lequel le ruban marginal (2) séparé peut être attiré au moyen d'un courant d'aspiration (9), caractérisé en ce que l'on prévoit au niveau du tube d'aspiration (10) un palpeur (15) palpant mécaniquement le ruban marginal (2), lequel est maintenu dans une position dépassant au-delà de l'extrémité libre (14) du tube d'aspiration (10) par au moins un ressort (27), le palpeur (15) palpant mécaniquement pouvant être déplacé par le ruban marginal (2) à l'encontre de la force du ressort (27), et le palpeur (15) palpant mécaniquement étant en liaison coopérante avec un capteur (25) détectant son déplacement.
  2. Dispositif selon la revendication 1, caractérisé en ce que le palpeur (15) palpant mécaniquement est maintenu de manière à pouvoir pivoter sur le tube d'aspiration (10).
  3. Dispositif selon la revendication 2, caractérisé en ce que le palpeur (15) palpant mécaniquement peut pivoter autour d'un axe de pivotement (17) orienté approximativement parallèlement au plan de la bande de matériau et approximativement perpendiculairement à la direction d'avance de la bande de matériau (4).
  4. Dispositif selon la revendication 1, caractérisé en ce que le palpeur (15) palpant mécaniquement est maintenu de manière à pouvoir coulisser sur le tube d'aspiration (10).
  5. Dispositif selon au moins l'une quelconque des revendications 1 à 4, caractérisé en ce que le palpeur (15) palpant mécaniquement vient en prise par le dessus avec au moins le côté du tube d'aspiration (10) tourné vers la bande de matériau (3).
  6. Dispositif selon au moins l'une quelconque des revendications 1 à 5, caractérisé en ce que le palpeur (15) palpant mécaniquement est maintenu du côté extérieur sur le tube d'aspiration (10).
  7. Dispositif selon au moins l'une quelconque des revendications 1 à 6, caractérisé en ce que le capteur (25) convertit le déplacement du palpeur (15) palpant mécaniquement en un signal électrique.
  8. Dispositif selon la revendication 7, caractérisé en ce que le capteur (25) est un interrupteur électrique ou un capteur de proximité inductif ou capacitif.
  9. Dispositif selon au moins l'une quelconque des revendications 1 à 8, caractérisé en ce que le capteur (25) est en liaison coopérante avec au moins un dispositif avertisseur (30, 31).
  10. Dispositif selon au moins l'une quelconque des revendications 1 à 9, caractérisé en ce que le capteur (25) est en liaison coopérante avec des entraínements (32) de la bande de matériau (3).
  11. Dispositif selon au moins l'une quelconque des revendications 1 à 10, caractérisé en ce que le capteur (25) contient le ressort (27).
  12. Dispositif selon au moins l'une quelconque des revendications 1 à 11, caractérisé en ce que le tube d'aspiration (10) débouche dans une buse (12) pouvant être sollicitée par de l'air sous pression, qui produit le courant d'aspiration (9).
EP03003887A 2002-02-27 2003-02-21 Dispositif pour aspirer les bords coupé d'un matériau en bande Expired - Lifetime EP1344616B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10208607A DE10208607C1 (de) 2002-02-27 2002-02-27 Vorrichtung zum Absaugen eines von einer laufenden Warenbahn abgetrennten Randstreifens
DE10208607 2002-02-27

Publications (2)

Publication Number Publication Date
EP1344616A1 EP1344616A1 (fr) 2003-09-17
EP1344616B1 true EP1344616B1 (fr) 2005-02-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03003887A Expired - Lifetime EP1344616B1 (fr) 2002-02-27 2003-02-21 Dispositif pour aspirer les bords coupé d'un matériau en bande

Country Status (3)

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EP (1) EP1344616B1 (fr)
AT (1) ATE288816T1 (fr)
DE (2) DE10208607C1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2242512B1 (es) * 2003-11-13 2006-07-01 Kontrelmec, S.L. Dispositivo y procedimiento extractor de recortes y maquina cortadora de material laminar flexible que incorpora el dispositivo.
DE102004010480A1 (de) * 2004-03-04 2005-09-22 Goss International Montataire S.A. Vorrichtung und Verfahren zur Absaugung von Spänen in einer bedruckstoffverarbeitenden Maschine
CN103419237B (zh) * 2013-09-04 2015-06-24 武汉虹之彩包装印刷有限公司 高速软标裁切机清废装置
CN106637892A (zh) * 2016-08-18 2017-05-10 无锡飞达纺织印染机械有限公司 一种布料裁切设备
CN106637893B (zh) * 2016-12-07 2019-05-21 江苏闳业机械股份有限公司 一种多棱角切刀机构
CN109514642A (zh) * 2018-12-26 2019-03-26 江苏荣成环保科技股份有限公司 一种平轧模切机除废机构
CN110820297B (zh) * 2019-11-01 2021-08-17 安徽卡儿菲特服饰有限公司 一种儿童毛衣生产用去毛边装置
CN111086041B (zh) * 2019-12-11 2021-08-06 天长市天意玻璃制品有限公司 一种具有玻纤粉回收功能的玻璃纤维板裁切装置
CN112045755A (zh) * 2020-08-28 2020-12-08 浙江华勘环保科技有限公司 一种用于纺织材料的环保切断装置

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US2722983A (en) * 1951-11-14 1955-11-08 Chemstrand Corp Stopping device for staple fiber cutter
US3156149A (en) * 1962-09-26 1964-11-10 Nat Distillers Chem Corp Apparatus for trimming and winding sheeted materials
DE2012279A1 (en) * 1969-03-21 1970-10-01 Elitex Zävody textilniho strojirenstvl generälnl reditelstvi, Reichenberg (Tschechoslowakei) Pneumatic ejector for cut cloth edges on - finishing machines
US3731570A (en) * 1971-10-04 1973-05-08 Fmc Corp Trim tensioning limiter
DE8207236U1 (de) * 1982-03-15 1982-07-22 BHS-Bayerische Berg-, Hütten- und Salzwerke AG, 8000 München Vorrichtung zum absaugen der von materialbahnen abgeschnittenen randstreifen, insbesondere von durch laengsschneide- und rillmaschinen abgeschnittenen randstreifen einer wellpappenbahn
DE19860425C1 (de) * 1998-12-28 2000-10-12 Badenia Bettcomfort Gmbh & Co Vorrichtung zum Separieren von Deck- und Füllmaterialien bei einer Konfektionierung von Steppdecken

Also Published As

Publication number Publication date
EP1344616A1 (fr) 2003-09-17
DE50300294D1 (de) 2005-03-17
ATE288816T1 (de) 2005-02-15
DE10208607C1 (de) 2003-06-12

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