EP0374871A2 - Dispositif et procédé pour enrouler un bord initial d'un tissu - Google Patents

Dispositif et procédé pour enrouler un bord initial d'un tissu Download PDF

Info

Publication number: EP0374871A2
Authority: EP; European Patent Office
Prior art keywords: tubolar; winding; fabric; tubolar element; initial edge
Prior art date: 1988-12-23
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

EP89123529A

Other languages

German (de)

English (en)

Other versions

EP0374871A3 (en

EP0374871B1 (fr

Inventor

Paolino Gastoldi

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.)

LA MECCANICA COSTRUZIONE MACCHINE TESSILI SpA

Original Assignee

LA MECCANICA COSTRUZIONE MACCHINE TESSILI 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.)

1988-12-23

Filing date

1989-12-20

Publication date

1990-06-27

1989-12-20 Application filed by LA MECCANICA COSTRUZIONE MACCHINE TESSILI SpA filed Critical LA MECCANICA COSTRUZIONE MACCHINE TESSILI SpA

1989-12-20 Priority to AT89123529T priority Critical patent/ATE79597T1/de

1990-06-27 Publication of EP0374871A2 publication Critical patent/EP0374871A2/fr

1990-11-14 Publication of EP0374871A3 publication Critical patent/EP0374871A3/en

1992-08-19 Application granted granted Critical

1992-08-19 Publication of EP0374871B1 publication Critical patent/EP0374871B1/fr

2009-12-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

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
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle

Definitions

the present invention has the scope of supplying a device and a process for winding an initial edge of a fabric and refers to the technical field of machines for automatic winding of fabrics and cloths.
the tubolar element is foreseen, e.g. for the fall progress into the above mentioned operating zone onto the winding cylinders and in contact therewith, for being rotated with respect to these last cylinders and forming a roll of fabric by means of following windings.
an initial edge or section of the fabric is locked onto the tubolar element, e.g. by means of a bi-adhesive band.
the technical scope foreseen by the present invention is to provide a device and a process for winding an initial edge of a fabric that is really suitable for obviating the above mentioned drawbacks.
an important aim of the invention is to supply a device and a process that allow to obtain a perfect winding of a fabric and in particular the winding of the initial edge thereof, avoiding the formation of irregular folds and stretches in this last edge.
a device used for winding an initial edge of a fabric including at least a first and a second rotating and flanked winding cylinders, establishing an operating zone between one another, in which zone a fabric roll is formed feeding members suitable for feeding a tubolar element onto said fabric, and a cutting member of said fabric external to said operating zone, an initial fabric edge being unwound between said cutting member and said operating zone, characterized in that said feeding members are located with respect to said first and second winding cylinder in a manner suitable for supplying said tubolar element into a first position located external to said operating zone and in contact with said initial edge, and in that it is foreseen lifting means active onto said initial edge on the side of said cutting member and suitable for turning said initial edge onto said tubolar element in said first position and thrust means active onto said tubolar element and suitable for causing the rolling thereof from said first position until said operating zone.
the process for winding an initial fabric edge is characterized in that it includes: the installation of a tubolar element in a first position overlapped to an initial edge of a fabric to be wound and external to the operating zone for the winding of the said fabric; the fulfilment of a first partial prewinding of said fabric onto said tubolar element by the turning of a part of said initial edge onto said initial edge, let in a substantially static position; and the fulfilment of a following prewinding of said fabric onto said tubolar element from said first position to said operating zone by means of rotation/traverse.
the device according to the invention is generally indicated with the reference number 1 . It includes a first winding cylinder 2 and a second winding cylinder 3 , establishing an operating zone 4 between one another, corresponding to the feeding zone of fabric 5 to be wound.
the winding cylinders 2 and 3 are suitable for supporting a fabric roll 6 wound around a tubolar element 7 generally made of cardboard
the second winding cylinder 3 is supported by a bracket 8 turning around the axle of the first winding cylinder 2 and driven by the pneumatic cylinder 9 , for ejecting the fabric roll 6 from the operating zone 4 by the lifting threreof, when the winding is completed.
a cutting member 10 is foreseen on the side of the first winding cylinder 2, externally to the operating zone 4.
the fabric 5 shows an initial edge 11 defined by the fabric section unwinding, during the cutting phase from the cutting member 10 until the operating zone 4.
the device 1 foresees feeding members 7a of the tubolar element 10 that are well known and represented in the Figures 1 and 4 with the schematic illustration of a feeding orifice, by which each tubolar element 7 is supplied by simple fall.
the feeding members 7a are located in a manner suitable for adjusting a first position 7b (illustrated in Figure 2) of the tubolar element 7 onto the initial edge 11 bearing onto the first winding cylinder 2, externally to the operating zone 4.
a first position 7b illustrated in Figure 2
the tubolar element 7 is oriented parallel to the main axle 2a of the first winding cylinder 2.
the lifting means 12 are suitable for fulfilling a first prewinding of the initial edge 11 around the tubolar element 7 by the lifting of the related initial edge 11.
the lifting means 12 include a crosspiece 13 , made substantially by a plate element parallel to the tubolar element 7 and adjacent therewith, housed in rest position under the initial edge 11 ( Figure 2) and driving members 14 , established by arms joined to the plate element 13, turning around a rotation axle 15 parallel to the tubolar element 7 and disposed on the side of the first winding cylinder 2.
the arms 14 are suitable for lifting the plate element from a rest position, in which this last element is located substantially tangential to the first winding cylinder 2, to a lifted position ( Figure 4) in which the same plate element is located substantially in radial direction with respect to the first winding cylinder 2.
the arms 14 lift the plate element 13 along a trajectory adjacent to the surface of the tubolar crosspiece 7, located statically into the above mentioned first position 7b, in a manner suitable for winding around this last tubolar element a first part 11a of the initial edge 11 included between the cutting member 10 and the tubolar element 7
the lifting means 12 include blowing members 16 joined to the crosspiece 13, directed to the lower face of the initial edge 11 and positioned thereunder, extending substantially along all the width of the crosspiece 13 in a direction parallel to the winding cylinders 2 and 3.
the lifting means 12 can also include the mechanical members for positioning and pressing the initial edge 11 onto the tubolar element 7, e.g. made-up of pressure cylinders that operate for a short time pressing some shaped ends towards the tubolar element 7. These ends can push and position correctly the more rigid fabrics, such as e.g. the fabrics foreseen for the manufacture of tents and curtains, against the tubolar element.
the device 1 foresees thrust means 17 , suitable for fulfilling a second pre-winding of the initial edge 11 onto the tubolar element 7, used on this last tubolar element for causing a rotation/traverse thereof along the surface of the first winding cylinder 2, until a final position in conjunction to the operating zone 4.
the thrust means 17 include a contact body 18 , including at least a roll located near the tubolar element 7 and parallel thereto and driven rotatably around its axle 19 , on which it is mounted idle, by a fixed belt 20 , partially wound around the axle and the partially wound around the first winding cylinder 2.
the contact body 18 is suitable for causing the tubolar element 7 to apply tangential thrusts that cause the above mentioned rotation/traverse, for winding therearound a second part 11b of the initial edge 11, included between the first position 7b and the operating zone 4.
the thrust means 12 include some oscillating members 23 formed by lever elements 21 , rotatably hinged around the main axle 2a of the first winding cylinder 2 and driven by a pneumatic cylinder 22 .
the lever elements 21 support the said roll at one end and allow the traverse thereof between an initial position, adjacent to the first position (7b) of the tubolar element 7 ( Figure 4) to a final position in conjuction to an intermediate position of the tubolar element 7 ( Figure 5) near to the operating zone 4. From the intermediate position the tubolar element 7 goes ahead by inertia and gravity forces, making a rotation/traverse onto the first winding cylinder 2 until the centre of the operating zone 4 ( Figure 5).
a new tubolar element 7 is brougth into the first position 7b thereof ( Figure 2) by means of the feeding members 7b by simple fall. Then the crosspiece 13 is lifted in cooperation with the blowing members 16, making a first pre-winding of the first part 11a of the initial edge 11 around the tubolar element 7. The movement of the arms 14 and the air cause the stretch of the fabric onto the tubolar element 7 avoiding the formation of creases.
the device according to the invention fulfils a process, that belongs to the invention too.
the first position 7a is foreseen substantially intermediate between the operating zone 4 and a first part 11a of the initial edge 11, supplied with free end.
the first pre-winding is carried out locating the first part 11a in free bearing onto a crosspiece 13 and moving the crosspiece 13 from a position flanked to the tubolar element 7 and a position substantially overlapped to the tubolar element 7, until the complete sliding of the first part 11a onto the tubolar element 7.
the second pre-winding is carried out applying thrusts substantially tangential to the surface of the tubolar element 7, tending to turn the same tubolar element.
the rotation stretches the fabric 5 and causes by reaction a translation only when the fabric is well stretched.

Landscapes

Replacement Of Web Rolls (AREA)
Containers And Plastic Fillers For Packaging (AREA)
Treatment Of Fiber Materials (AREA)
Looms (AREA)
Sewing Machines And Sewing (AREA)

EP89123529A 1988-12-23 1989-12-20 Dispositif et procédé pour enrouler un bord initial d'un tissu Expired - Lifetime EP0374871B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT89123529T ATE79597T1 (de)	1988-12-23	1989-12-20	Vorrichtung und verfahren zum wickeln einer anfangskante eines textilerzeugnisses.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT8823108A IT1227841B (it)	1988-12-23	1988-12-23	Dispositivo e procedimento per arrotolare un lembo iniziale di un tessuto
IT2310888		1988-12-23

Publications (3)

Publication Number	Publication Date
EP0374871A2 true EP0374871A2 (fr)	1990-06-27
EP0374871A3 EP0374871A3 (en)	1990-11-14
EP0374871B1 EP0374871B1 (fr)	1992-08-19

Family

ID=11203863

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89123529A Expired - Lifetime EP0374871B1 (fr)	1988-12-23	1989-12-20	Dispositif et procédé pour enrouler un bord initial d'un tissu

Country Status (6)

Country	Link
EP (1)	EP0374871B1 (fr)
AT (1)	ATE79597T1 (fr)
DE (1)	DE68902539T2 (fr)
ES (1)	ES2035508T3 (fr)
GR (1)	GR3005751T3 (fr)
IT (1)	IT1227841B (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2007543A1 (de) *	1970-02-19	1971-09-30	Berstorff Gmbh Masch Hermann	Einrichtung zur fortlaufenden vollauto matischen Herstellung eines Fohenwickels

1988
- 1988-12-23 IT IT8823108A patent/IT1227841B/it active
1989
- 1989-12-20 DE DE8989123529T patent/DE68902539T2/de not_active Expired - Lifetime
- 1989-12-20 AT AT89123529T patent/ATE79597T1/de not_active IP Right Cessation
- 1989-12-20 ES ES198989123529T patent/ES2035508T3/es not_active Expired - Lifetime
- 1989-12-20 EP EP89123529A patent/EP0374871B1/fr not_active Expired - Lifetime
1992
- 1992-09-23 GR GR920402082T patent/GR3005751T3/el unknown

Also Published As

Publication number	Publication date
EP0374871A3 (en)	1990-11-14
DE68902539D1 (de)	1992-09-24
IT1227841B (it)	1991-05-08
IT8823108A0 (it)	1988-12-23
DE68902539T2 (de)	1992-12-24
GR3005751T3 (fr)	1993-06-07
EP0374871B1 (fr)	1992-08-19
ES2035508T3 (es)	1993-04-16
ATE79597T1 (de)	1992-09-15

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