EP0818570A1 - Verfahren und Vorrichtung zur Aufnahme und Weiterbewegung von schlauchformigen Gegenständen - Google Patents

Verfahren und Vorrichtung zur Aufnahme und Weiterbewegung von schlauchformigen Gegenständen Download PDF

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Publication number
EP0818570A1
EP0818570A1 EP97830340A EP97830340A EP0818570A1 EP 0818570 A1 EP0818570 A1 EP 0818570A1 EP 97830340 A EP97830340 A EP 97830340A EP 97830340 A EP97830340 A EP 97830340A EP 0818570 A1 EP0818570 A1 EP 0818570A1
Authority
EP
European Patent Office
Prior art keywords
station
manufactured
manufactured product
product
products
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.)
Granted
Application number
EP97830340A
Other languages
English (en)
French (fr)
Other versions
EP0818570B1 (de
Inventor
Pier Lorenzo Migliorini
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.)
Macchine Tessili Circolari MATEC SpA
Original Assignee
Macchine Tessili Circolari MATEC SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Macchine Tessili Circolari MATEC SpA filed Critical Macchine Tessili Circolari MATEC SpA
Publication of EP0818570A1 publication Critical patent/EP0818570A1/de
Application granted granted Critical
Publication of EP0818570B1 publication Critical patent/EP0818570B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B23/00—Sewing apparatus or machines not otherwise provided for
    • D05B23/007—Sewing units for assembling parts of knitted panties or closing the stocking toe part

Definitions

  • the present invention relates to a method and a apparatus for the removal and movement of tubular manufactured products, especially knitted socks.
  • the main aim of the present invention is to propose an operational process and an apparatus which make it possible to solve the mentioned technical problem in a simple, economical and reliable manner.
  • the advantages which derive from the present invention basically consist of what is possible operate, even fully automatically and with maximum operational precision, the removal of manufactured goods from a pile or a container where these are accumulated pell-mell and orient them one by one so that each presents the respective ends turned according to a predetermined direction and thus allow automatic feeding of a machine for sew the tights placed downstream of switchgear, at operational speed greater than that permitted by the processes conventional manual feed and at a cost very reduced; that an apparatus in accordance with the invention is relatively simple to manufacture, economical and reliable even after a long time of use.
  • one or more several of the abovementioned sampling phases, movement and / or relaxation of manufactured products are carried out by means of pneumatic suction according to the direction of the movement and / or even relaxation.
  • each of said stations (A, B, U) can be fixed or otherwise mobile.
  • the increase in the thickness of the end of the manufactured product retained in the second station (B) mentioned above is operated by means of the passage of the manufactured product through a aperture or filter of a minor magnitude of the maximum thickness of the manufactured product itself, according to the oriented direction of the second station (B) at the exit station (U), as well as intercept the thicker end, if it has retained in the second station (B).
  • a nozzle (21) for blowing compressed air in correspondence with the area for taking manufactured products from the pile (M) and thus releasing those which have been levied by others possibly adhering to the same.
  • Said tube (2) is advantageously of the type with a telescopic structure, the movement of which is controlled by at least one director (22).
  • an optical sensor (460) which is intended to detect the possible presence of a portion of the manufactured product (1) retained in the second station (B).
  • said tube (2) is provided, in correspondence with its mouth (20), with a valve (23) capable of reducing the opening with control, in such a way that during the product collection phase manufactured, the opening is minimal for interest a minumun of manufactured products and, successively to this operation, the opening either maximum to allow rapid passage of the product manufactured or products manufactured across the tube (2), by effect of the suction corresponding.
  • conduits (3) and (30) are intended for the recovery of excess manufactured products (1), that is to say distant from the apparatus and intended to be returned to the container (M).
  • the function of the device described, with reference to the case of manufactured products with ends of different thickness, is as follows.
  • the tube (2) In the cycle start position, the tube (2) is moved by the directors (22) so as to carry the mouth (20) in correspondence of the zone of accumulation of manufactured products (1) awaiting treatment (fig. 1A) and the respective suction means are activated to operate the removal of at least one manufactured product (1), with the valve (23) disposed in the position of minimal opening of the mouth (20), and by means compressed air at the outlet of the nozzle (21) is carried out the detachment of the manufactured products from the mass (M) adhering to these thus removed by the tube (2).
  • the manufactured products of the cluster (M) can spontaneously adhere to each other, due to the specific nature of the material of which they are made up.
  • the manufactured products are knitted fabric obtained by son of synthetic nature which tend, in fact, to produce such spontaneous adhesion effect.
  • the valve (23) is disposed in the position of maximum opening of the mouth (20) but before, the plate (31) of the station (A) is disposed in the position of closing of the corresponding portion of the tube (30) (Fig. 2A) so as to determine, in said station (A), the stopping of the manufactured product or of the manufactured products (1) sampled by means of the tube (2).
  • the producer (34) is activated to block the manufactured products by means of the body (33) (fig. 2B) passing through the guide (35) of the tube (30).
  • the suction is inverted, so as to cause the distension of the manufactured products thus blocked along the common longitudinal axis of the complex of conduits (3, 4, 30) and the carriage (4) is moved in the direction indicated by the arrow F in fig. 3A to allow the search for the end portion of the manufactured product (1) which results further from the above station (A). More precisely, the carriage (4) is moved up to the raising, by any of the sensors (41), of the end or portion of the manufactured product (1) which results more distant from the blocking point of the station (A ).
  • the finger (42) associated with the sensor (41) which has raised said end or portion of the manufactured product is actuated so as to compress it on the lower surface of the pad (44), suitably moved towards the manufactured product, which is thus interposed, and thus block it (fig. 3B).
  • the finger (42) associated with the sensor (41) which has raised said end or portion of the manufactured product, is actuated so as to compress it on the lower surface of the pad (44), suitably moved towards the manufactured product, which is thus interposed, and thus block it (fig. 3B).
  • the movement of the blade (46) is controlled by means of the director (47) and of the plate (48) by means of the director (49).
  • the release of the manufactured product (1) is controlled from the grip of the finger (42) and of the buffer (44).
  • an internal throttle is produced in the carriage (4) so as to allow only the passage of the thinner portion of the manufactured product (1), as well as if the part of the manufactured product which was previously blocked by means of the finger (42) and the buffer (44) is that corresponding to the thinner portion, by effect of the persistent suction towards the discharge station (U) the manufactured product results with the thicker portion already oriented towards this station (U) of the apparatus (FIG.
  • the finer portion of the manufactured product results from the side of the outlet station (U) and we proceed as follows. After activating the suction in the duct (6) placed between the outlet section (U) and the station (A) (fig. 6A), so as to introduce the finest portion of the manufactured product (1), then said suction is interrupted and the portion of the manufactured product introduced into the conduit (6) is blocked to prevent movement thereof; afterwards we suck in the direction of the exit station (U) and we release the manufactured product from the grip of the elements (46) and (48) of the carriage (4).
  • the thicker portion of the manufactured product (1) will be turned towards the exit station (U), as desired. Finally, the portion of the manufactured product which has been introduced into the tube (6) is released to allow it to exit through the station (U).
  • the manufactured product is a stocking, of the type specially suitable for the manufacture of tights, for the thinner portion of the manufactured product we will hear the bottom part corresponding to the toe and for the thicker portion we will hear the tights body match.
  • said tube (6) is of telescopic structure, the movement of which is controlled by a corresponding producer (60) supported by a fixed part (410) of the apparatus.
  • the working position of the blade (46) that is to say the distance from its end (461) relative to the corresponding internal wall of the carriage (4), is adjustable by associated screw means (470) to the director rod (47) with limit switch function.
  • (AS) is indicated a vacuum cleaner, with (D) a distributor, with (50) and (51) two conduits downstream of the valves (V2) and (V3) respectively, for the recovery of manufactured products (1) expelled by the apparatus and for their return to the container (M).
  • the recovery bells (52,53) are in themselves already known by those skilled in the art.
  • the tube (2) is advantageously associated with an optical sensor - not shown for simplification in the figures of the appended drawings - close to the mouth (20) in order to detect the presence of the manufactured products (1) in the container or in the pile (M) and in correspondence stopping and reversing the course of the directors (22) after the sampling.
  • mechanical means can be provided to operate the aforementioned sampling, movement and relaxation of manufactured products, as by example of gripper or tracked means in corresponding fixed or mobile positions of the apparatus.
  • Such operational means may be, for example, of the type described in patents on mentioned.
  • the means (42,43,45,47,49) of station B are in a fixed position.
  • rollers (R ', R', R "') are provided arranged in an intermediate position between the stations (A) and (B) and each time activated in torque (R', R "; R ', R"'). More precisely, the vertically aligned rollers (R ', R ") are intended to move the manufactured product, a reduced portion of which is retained in station (A), towards station (B ), until you have all the fabric of the manufactured product between the station (A) and the photocells (41). In this condition, the element (42) associated with the photocell (41) discovered last.
  • a photocell (F) Upstream of the station (B) a photocell (F) is advantageously provided which, once discovered by the fabric moving towards the station (A), controls the slowing down of the rollers (R ', R ") for dragging the manufactured product , to allow more control on the part of the photocells (41) of the station (B).
  • the horizontally aligned rollers (R ', R “') are activated only if it is necessary to send the elastic inside the conduit (6) for a line of predetermined length for then reversing the suction and obtaining the exit of the manufactured product through the exit station (U) with the point facing forward.
  • rollers (R ', R ") can be controlled by a photocell (FW) placed in correspondence of an arrival position on the duct (6) or also by a timer, not shown in the figure.
  • roller (R ') is mounted so as to be able to move away from the roller (R ") in the event of possible unloading of a manufactured product through the conduit (6).
  • a valve (SV) can be provided to section the guide duct of the manufactured products being treated and to obtain a waiting zone (AT) intended for the parking of the manufactured products to be treated subsequently.
  • a device called an “anti-twist” per se already known can be provided in correspondence of this waiting area.
  • the container (1) which contains the manufactured products to be treated is advantageously mounted rotating around its own central vertical axis.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Eyeglasses (AREA)
  • Knitting Machines (AREA)
  • Manipulator (AREA)
  • Sewing Machines And Sewing (AREA)
EP97830340A 1996-07-09 1997-07-07 Vorrichtung zur Aufnahme und Weiterbewegung von schlauchformigen Gegenständen Expired - Lifetime EP0818570B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96FI000163A IT1286671B1 (it) 1996-07-09 1996-07-09 Metodo ed apparecchiatura per il prelievo e la movimentazione di manufatti tubolari
ITFI960163 1996-07-09

Publications (2)

Publication Number Publication Date
EP0818570A1 true EP0818570A1 (de) 1998-01-14
EP0818570B1 EP0818570B1 (de) 2003-05-14

Family

ID=11351753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97830340A Expired - Lifetime EP0818570B1 (de) 1996-07-09 1997-07-07 Vorrichtung zur Aufnahme und Weiterbewegung von schlauchformigen Gegenständen

Country Status (5)

Country Link
US (1) US5884822A (de)
EP (1) EP0818570B1 (de)
JP (1) JPH1072748A (de)
DE (1) DE69721901D1 (de)
IT (1) IT1286671B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1039009A3 (de) * 1999-03-23 2001-03-21 MATEC S.p.A. Vorrichtung zur automatischer Orientierung von schlauchförmigen Produkten wie Strümpfe oder dgl

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6155466A (en) * 1997-06-02 2000-12-05 Matec S.P.A. Apparatus for stretching apart one end of a tubular article
IT1314867B1 (it) * 2000-07-21 2003-01-16 Matec Spa Metodo per rilevare l'orientamento di un manufatto tessile presentante due estremita' differenti, apparecchiatura per attuare il suddetto
US6820497B2 (en) 2001-01-03 2004-11-23 Threadbear, Llc Method and apparatus for detecting and controlling orientation of articles for further processing
ITPI20010021A1 (it) * 2001-03-21 2002-09-21 S R A S R L Metodo ed apparecchiatura per l'orientamento longitudinale di articoli di calzetteria
AU2003210331A1 (en) 2002-02-20 2003-09-09 Herbert Kannegiesser Gmbh Method and device for the pneumatic transport of preferably linen
ITFI20020106A1 (it) * 2002-06-18 2003-12-18 Matec Spa Dispositivo e metodo per rilevare l'orientamento di manufatti come calze e calzini da uomo
US7044071B2 (en) * 2003-01-24 2006-05-16 B.B. & S Knitting Consultants Apparatus and method for automatically orienting hosiery articles for closing toe ends thereof
MXPA06011935A (es) * 2004-04-16 2007-04-13 Golden Lady Co Spa Maquina para manejar articulos tejidos tubulares, tal como calcetines o similares.
WO2007020667A1 (en) * 2005-08-19 2007-02-22 Golden Lady Company S.P.A. Device and method for handling tubular knitted articles, such as stockings and socks or the like
ITFI20060118A1 (it) * 2006-05-19 2007-11-20 Golden Lady Co Spa Metodo e dispositivo per discriminare l'una rispetto all'altra due estremita' di un manufatto

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1523778A (fr) * 1967-05-19 1968-05-03 Feinstrumpfwerke Esda Veb Dispositif pour le retournage pneumatique d'articles bruts tubulaires, par exemple debas de femme de tricotage circulaire
FR2003556A1 (de) * 1968-03-09 1969-11-07 Micheletti Arrigo
US3696942A (en) * 1970-09-30 1972-10-10 Usm Corp Means for transferring successive flexible work pieces
US4539924A (en) * 1981-08-28 1985-09-10 Consolidated Foods Corporation Loading system for a toe closing assembly
EP0508014A2 (de) * 1991-03-26 1992-10-14 Sara Lee Corporation Materialhandhabungssystem
EP0521206A1 (de) * 1989-01-28 1993-01-07 Sara Lee Corporation Materialtransportsystem
WO1995027097A1 (en) * 1994-04-05 1995-10-12 Monarch Knitting Machinery Corporation Method and apparatus for handling flexible objects
EP0737769A1 (de) * 1995-04-11 1996-10-16 Detexomat Machinery Limited Verfahren und Vorrichtung zur Handhabung einer Länge eines flexiblen Materials

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1250168B (it) * 1991-06-03 1995-04-03 Metalprogetti Snc Impianto aereo di trasporto a nastro, in grado di smistare ordinatamente i capi che siano caricati su di esso alla rinfusa.
IT1257118B (it) * 1992-10-01 1996-01-05 Rosso Ind Spa In Persona Dell Dispositivo abbinabile ad una rovesciacalze automatica, atto a separare senza interventi manuali calze completamente rovesciate da quelle solo parzialmente rovesciate.
IT1265876B1 (it) * 1993-06-25 1996-12-12 Solis Srl Metodo e dispositivo per disporre due manufatti tubolari in una posizione prestabilita su di un corrispondente supporto
US5456392A (en) * 1994-06-01 1995-10-10 Majors; James W. Sock sorting device
IT1283271B1 (it) * 1996-03-18 1998-04-16 Essedue S R L Dispositivo stenditore di calze ad alimentazione pneumatica, utilizzabile con impianti di trasporto pneumatico di calze ad

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1523778A (fr) * 1967-05-19 1968-05-03 Feinstrumpfwerke Esda Veb Dispositif pour le retournage pneumatique d'articles bruts tubulaires, par exemple debas de femme de tricotage circulaire
FR2003556A1 (de) * 1968-03-09 1969-11-07 Micheletti Arrigo
US3696942A (en) * 1970-09-30 1972-10-10 Usm Corp Means for transferring successive flexible work pieces
US4539924A (en) * 1981-08-28 1985-09-10 Consolidated Foods Corporation Loading system for a toe closing assembly
EP0521206A1 (de) * 1989-01-28 1993-01-07 Sara Lee Corporation Materialtransportsystem
EP0508014A2 (de) * 1991-03-26 1992-10-14 Sara Lee Corporation Materialhandhabungssystem
WO1995027097A1 (en) * 1994-04-05 1995-10-12 Monarch Knitting Machinery Corporation Method and apparatus for handling flexible objects
EP0737769A1 (de) * 1995-04-11 1996-10-16 Detexomat Machinery Limited Verfahren und Vorrichtung zur Handhabung einer Länge eines flexiblen Materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1039009A3 (de) * 1999-03-23 2001-03-21 MATEC S.p.A. Vorrichtung zur automatischer Orientierung von schlauchförmigen Produkten wie Strümpfe oder dgl
US6375393B1 (en) 1999-03-23 2002-04-23 Matec S.P.A. Apparatus for the automatic orientation of tubular articles such as stockings

Also Published As

Publication number Publication date
JPH1072748A (ja) 1998-03-17
EP0818570B1 (de) 2003-05-14
US5884822A (en) 1999-03-23
ITFI960163A1 (it) 1998-01-09
DE69721901D1 (de) 2003-06-18
IT1286671B1 (it) 1998-07-15

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