EP1072713A2 - Vorrichtung und Verfahren zum Schmirgeln von Textilmaterial - Google Patents

Vorrichtung und Verfahren zum Schmirgeln von Textilmaterial Download PDF

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Publication number
EP1072713A2
EP1072713A2 EP00115111A EP00115111A EP1072713A2 EP 1072713 A2 EP1072713 A2 EP 1072713A2 EP 00115111 A EP00115111 A EP 00115111A EP 00115111 A EP00115111 A EP 00115111A EP 1072713 A2 EP1072713 A2 EP 1072713A2
Authority
EP
European Patent Office
Prior art keywords
brushes
textile material
rotate
maintenance
width
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
EP00115111A
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English (en)
French (fr)
Other versions
EP1072713B1 (de
EP1072713A3 (de
Inventor
Maria Teresa De Marchi
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.)
LAFIN Srl
Original Assignee
LAFIN Srl
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Filing date
Publication date
Application filed by LAFIN Srl filed Critical LAFIN Srl
Publication of EP1072713A2 publication Critical patent/EP1072713A2/de
Publication of EP1072713A3 publication Critical patent/EP1072713A3/de
Application granted granted Critical
Publication of EP1072713B1 publication Critical patent/EP1072713B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics

Definitions

  • This invention concerns a grinding device for textile material and the grinding method which uses said device.
  • the invention is applied in finishing processes for textiles and woollens to give the feel of the fabric particular aesthetic effects, for example, ageing, pre-washing or the so-called peach-skin effect.
  • the invention can be applied substantially to any type of textile material, in the field of cotton, synthetic fibers, wool and in knitwear, and is particularly indicated for application on at least partly elastic or elasticized fabrics.
  • the process of grinding which is well-known in finishing processes, substantially consists of drawing the textile material into contact with rollers or cylinders lined with abrasive or diamond paper or other material with abrasive properties.
  • the action of the abrasive material produces a partial breakage and a possible slight removal of fibrous material, causing the formation of a surface down which can be more or less accentuated according to the final result desired or the characteristics of the feel to be obtained.
  • grinding can be used either on dry or wet textile material or material which has at least been dampened before it is sent to the grinding rollers.
  • the fabric is normally immersed in an impregnation bath, or subjected to wetting or damping by spraying, in a position upstream of the grinding zone.
  • wet grinding as opposed to dry grinding, causes a less accentuated and therefore more superficial abrasive action, it raises the pile less, and thus obtains a short, thick pile.
  • Conventional grinding machines in general, are low performance in terms of productivity and efficiency, they are difficult to maintain and difficult for the operator to control, and they occupy a large horizontal space. Moreover, conventional machines in general have a problem connected with the shrinkage of the fabric, due to the tension which the grinding rollers or cylinders transmit to the fabric: the more elastic the fabric, the more accentuated the problem.
  • a further disadvantage of conventional machines is that longitudinal creases are formed in the fabric and that the edges of the fabric curl up.
  • Conventional grinding machines consist of purpose-built machines, which are able to perform only those functions for which they have been designed and constructed; they cannot be re-configured for other types of processing.
  • EP-A-784.114 describes a grinding machine comprising a grinding cylinder provided with strips equipped on the outside with bristles covered with abrasive material. The grinding machine performs its action by means of successive percussions on a brief segment of fabric which is made to pass in contact with the lower part of the cylinder.
  • WO-A-9906624 describes a device, applied onto raising cylinders, to widen a fabric while it is winding on a raising drum.
  • the present Applicant has devised, tested and embodied this invention to solve all these shortcomings, but above all to achieve an innovative, practical, economical and extremely functional solution, which can be adapted on every type of fabric and is able to guarantee very high quality results.
  • the purpose of the invention is to achieve a grinding device and method for textile material suitable to guarantee high quality and uniform processing substantially on every type of textile material, also and particularly in the case of knitwear, elasticized fabrics and light and fine fabrics.
  • Another purpose of the invention is to prevent shrinkage of the fabric, particularly in the case of elasticized fabric or knitwear, and to prevent longitudinal creases forming or the edges of the fabric curling up while the material is being processed on the grinding device.
  • Another purpose is to achieve a grinding device wherein the fabric is correctly supported between one brush and the other, so that it does not penetrate too much into the bristles of the brushes.
  • a further purpose is to achieve a versatile and flexible device which can easily be re-configured to perform processing and/or treatments of a different type.
  • Another purpose is to obtain a device which is compact, functional, adaptable to different types of fabric and suitable to be integrated upstream or downstream with auxiliary drying, rinsing, humidity-regulation devices or otherwise.
  • the grinding device comprises a rotary drum, substantially of the type used as ordinary raising drums, on the circumference of which a plurality of brushes are mounted, which are also rotating, consisting of a central shaft and a lining made of abrasive material.
  • the abrasive material consists of nylon filaments or other similar plastic material.
  • the abrasive material consists of horsehair material or similar.
  • the abrasive material consists of natural or artificial stiff bristle.
  • the abrasive material of the brushes is arranged in a substantially helical configuration or similar, so as to encourage the discharge and fall of the hairs and dust removed from the fabric during the grinding operation.
  • the brushes are distributed symmetrically on the circumference of the rotary drum and can vary in number according to their size and to the size of the drum itself.
  • the brushes are made to rotate by drive means with a tangential belt, for example of the toothed type.
  • the brushes are made to rotate by chain-type drive means.
  • all the brushes are moved in the same direction of rotation.
  • the brushes are made to rotate in groups, in opposite directions: for example a first group of brushes rotates clockwise and another group of brushes rotates anti-clockwise.
  • a first group of brushes receives motion from drive means arranged on one side of the drum and a second group of brushes from drive means arranged on the opposite side of the drum.
  • each of the brushes there are means suitable to cause a width-maintenance/transverse tensioning of the fabric to prevent it from shrinking and to eliminate or prevent the formation of creases or curls at the edges, which may form due to the tension transmitted by the abrasive action of the brushes.
  • said means are able to support the fabric so that it does not penetrate too much between the brushes.
  • the width-maintenance/tensioning means consist of little shafts with spiral threads, associated with means suitable to make them rotate, on which the fabric is brought into contact in the intermediate segment between one brush and the other.
  • the width-maintenance means consist of rollers on which a coil is wound, made of steel wire or with profiles of a different shape, substantially of a conventional type.
  • the width-maintenance means consist of fixed staves, bars, rollers or cylinders rotating solid with the drum, including a thread or coil made of steel wire on the surface.
  • the width of the fabric is maintained thanks to the difference between the speed of the fabric kept under tension between the means located at inlet to and outlet from the drum, and the speed of rotation of the drum itself.
  • said width-maintenance/tensioning means consist of fixed staves or bars with a plane surface which have the purpose of supporting the fabric and keeping it steady in a direction transverse to the direction of feed so that no rolls are formed at the edges.
  • the width-maintenance means allow to keep the fabric always perfectly taut and therefore in substantially optimal conditions to be subjected to the action of each individual brush; this allows to obtain an optimum quality grinding, substantially uniform over the whole width of the fabric.
  • a grinding device 10 for fabrics 15 comprises a rotary drum 11, of the type substantially equivalent to raising drums, on the circumference of which a plurality of rotary brushes 12 are mounted in a removable fashion.
  • the grinding device 10 comprises six brushes 12a, 12b, 12c, 12d, 12e, 12f, arranged symmetrical on the circumference of the drum 11, but obviously the number of brushes 12 may be different and advantageously is between two and sixteen.
  • the grinding device 10 Upstream and downstream of the drum 11, the grinding device 10 comprises two drawing rollers, respectively inlet 16a and outlet 16b, by means of which the fabric 15 is made to advance around a substantial part of the drum 11 in contact with the brushes 12.
  • the drawing rollers 16a and 16b are driven by means of conventional systems and are associated with means to regulate the drawing action, which are not shown here, by means of which it is possible to vary as necessary the winding tension of the fabric 15 around the brushes 12.
  • Each brush 12 comprises a central shaft 13 on the outer surface of which a lining 14 made of abrasive material is applied, in this case in the form of filaments, by means of which the grinding process is achieved.
  • the lining 14 consists of a plurality of filaments made of nylon or similar synthetic material.
  • the lining 14 is made of filaments made of synthetic material distributed uniformly along the central shaft 13.
  • the lining 14 is made of a bristle material, natural or artificial, appropriately treated so as to make it sufficiently stiff.
  • the lining 14 is made using horsehair material.
  • the drive assembly comprises a motor 18; on the shaft 19 of the motor 18 a primary pulley 20 is keyed, and connected by means of toothed or trapezoid belts 21 to six pulleys 22 keyed onto respective shaftlets 23 mounted on the drum 11 in a position mating with that of the brushes 12.
  • a command pulley 24 is also mounted, and connected by means of a toothed belt 25 to a mating pulley 26 keyed onto one end of the shaft 13 of a brush 12.
  • the rotation movement of the brushes 12 is then transmitted, through the toothed belts 21 and 25, from the shaft 19 of the motor 18 to every individual pulley 26 keyed onto the shafts 13 of the brushes 12 which are thus made to rotate uniformly in the same direction.
  • the motor 18 is of the reversible type and allows the brushes 12 to rotate either in a clockwise or in an anti-clockwise direction.
  • three brushes 12, in this case 12a, 12c and 12e, are suitable to be made to rotate in one direction by means of a first drive assembly 117 and the other three brushes 12b, 12d and 12f in the opposite direction by means of a second drive assembly 217.
  • the drive assemblies 117 and 217 are arranged on opposite sides of the drum 11 and comprise respective motors 118 and 218, rotating in opposite directions; on the shafts 119 and 219 of the respective motors 118 and 218, respective primary pulleys 120 and 220 are keyed.
  • Each of the primary pulleys 120 and 220 is connected, by means of relative toothed or trapezoid belts 121 and 221, to three mating pulleys respectively 22a, 22c, 22e and 22b, 22d 22f mounted on shaftlets 23 arranged in a position mating with that of the brushes 12.
  • the toothed or trapezoid belts 121 and 221 are also associated with return pulleys 27 mounted on the drum 11.
  • the drive pulleys 24a, 24b, 24c, 24d, 24e, 24f are connected by means of relative toothed belts 25a, 25b, 25c, 25d, 25e, 25f to corresponding pulleys 26a, 26b, 26c, 26d, 26e, 26f keyed onto the shafts 13 respectively of the brushes 12a, 12b, 12c, 12d, 12e, 12f.
  • the movement of rotation produced by the motor 118 is then transmitted through the toothed belts 121 and 25a, 25c, 25e from the shaft 119 to each pulley 26a, 26c, 26e, causing the brushes 12a, 12c, 12e to move in a desired direction of rotation, for example, clockwise.
  • the fabric 15 therefore transits in contact alternately with brushes 12 acting in a clockwise direction and with brushes 12 acting in an anti-clockwise direction, thus allowing to obtain an extremely efficacious grinding process.
  • the motors 118 and 218 can be of the reversible type, so as to allow the brushes 12 to rotate in the same direction, or to allow the brushes 12 to rotate in differentiated groups in one direction or another.
  • Fig. 1 Uniformly distributed on the circumference of the drum 11 and in an intermediate position between the brushes 12, there are six width-maintenance/tensioning elements, which in the case of Fig. 1 consist of rotating rollers 29 in contact with which the fabric 15 is made to pass.
  • each width-maintenance roller 29 The rotary movement is individually transmitted to each width-maintenance roller 29 by means of a toothed belt 31 connecting a pulley 28, mounted at the outer end of the shaftlet 23 located upstream or downstream, with a pulley 32 associated with the width-maintenance roller 29 itself (Figs. 4 and 5).
  • the width-maintenance rollers 29 are suitable to tauten the fabric 15 transversely, contrasting the shrinking action produced thereon by the brushes 12 and preventing the formation of longitudinal creases or curled edges; this allows to keep the fabric 15 at its normal width from the inlet to the outlet of the grinding device 10.
  • the width-maintenance rollers 29 have spiral threads or ridges 30 on their outer surface which, due to the effect of the rotation of the width-maintenance rollers 29 themselves, are displaced transversely and tauten the fabric 15 as it passes through.
  • the width-maintenance rollers 29 are divided lengthwise into two parts, 29a, 29b with respective opposite spiral threads or ridges 30.
  • This embodiment causes the fabric 15 to be stretched in two directions, and therefore allows it to be kept in a central position with respect to the brushes 12.
  • the grinding of the fabric 15 is achieved by making it advance by means of the drawing rollers 16a and 16b, while the drum 11 is rotating and with the brushes 12 and the width-maintenance rollers 29 mounted thereon rotating around their own axis according to the direction established.
  • the fabric 15 Before and after each abrasive treatment by each individual brush 12, the fabric 15 is always subjected to a transverse tension by the width-maintenance roller 29 located upstream and downstream of the brushes 12, and is kept sufficiently taut in its travel around the drum 11.
  • the grinding device 10 may easily be re-configured to perform processes of a different type on the fabric 15, by removing the brushes 12 from the drum 11 and replacing them with other fabric treating means.
  • the drive assemblies 17, 117, 217 may be of a different configuration and have different means to transmit the motion to the brushes 12, such as for example chains instead of the toothed or trapezoid belts 21, 121, 221, 25.
  • width-maintenance rollers 29 there may be two or more width-maintenance rollers 29 between the brushes 12 and they may also be mounted idle on the drum 11, and be made to rotate by the fabric 15 as it passes through.
  • the width-maintenance rollers 29 may also be stationary and the width-maintenance effect is obtained thanks to the relative speed between the fabric 15 under tension between the drawing rollers 16a and 16b and the rotating drum 11.
  • width-maintenance rollers 29 there may be other means suitable for the purpose, such as for example staves or plates 129, acting in contact with the fabric 15, mounted on sliders or little trolleys movable from the center towards the outer part of the fabric 15.
  • the staves or plates 129 can also be fixed, as in the embodiment shown in Fig. 6, and have the function of keeping the fabric 15 axially steady, so that it remains perfectly taut and so that it does not curl up at the edges; moreover, the staves or plates 129 have the function of supporting the fabric 15 so that it does not penetrate too much into the abrasive lining 14 of the brushes 12.
  • the brushes 12 may be divided into groups with a differentiated drive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP00115111A 1999-07-30 2000-07-12 Vorrichtung und Verfahren zum Schmirgeln von Textilmaterial Expired - Lifetime EP1072713B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT1999UD000141A IT1310884B1 (it) 1999-07-30 1999-07-30 Dispositivo di smerigliatura per materiale tessile erelativo procedimento
ITUD990141 1999-07-30
ITUS990141 1999-07-30

Publications (3)

Publication Number Publication Date
EP1072713A2 true EP1072713A2 (de) 2001-01-31
EP1072713A3 EP1072713A3 (de) 2001-04-04
EP1072713B1 EP1072713B1 (de) 2004-09-29

Family

ID=11423010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00115111A Expired - Lifetime EP1072713B1 (de) 1999-07-30 2000-07-12 Vorrichtung und Verfahren zum Schmirgeln von Textilmaterial

Country Status (4)

Country Link
EP (1) EP1072713B1 (de)
DE (1) DE60014274T2 (de)
ES (1) ES2230004T3 (de)
IT (1) IT1310884B1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241292A1 (de) * 2001-03-15 2002-09-18 LAFER SpA Bewegungsübertragungsvorrichtung für Trommeltypmaschinen und Trommeltypmaschinen mit solch einer Übertragungsvorrichtung
EP1318224A2 (de) * 2001-12-07 2003-06-11 Sucker-Müller-Hacoba GmbH & Co. Rauhmaschine
EP1431437A1 (de) * 2002-12-17 2004-06-23 LAFER SpA Verfahren und Vorrichtung zum Ausrüsten von Textilmaterialien
EP1469115A2 (de) * 2003-04-14 2004-10-20 Alessandro Denti Vorrichtung zur Oberflächenbehandlung von Geweben
WO2005014908A1 (en) * 2003-08-06 2005-02-17 Coramtex S.R.L. Machine for processing textile fabrics
ES2226588A1 (es) * 2004-10-26 2005-03-16 Jaume Anglada Viñas, S.A. Maquina multifuncion para ennoblecido de bandas textiles.
CN103696197A (zh) * 2013-12-02 2014-04-02 广东瑞拓环保机械有限公司 磨毛机中央吸尘装置
IT201800008103A1 (it) * 2018-08-16 2020-02-16 Sintec Textile Srl Apparato e metodo per la smerigliatura di tessuti
CN114045624A (zh) * 2021-12-16 2022-02-15 广东德博仕工业有限公司 双联碳素辊刷毛机

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE216448C (de) *
GB198050A (en) * 1922-02-23 1923-05-23 Arthur Meats Improvements in or relating to machines for brushing up fabric
DE8707501U1 (de) * 1987-05-25 1987-08-27 Rommerskirchen, Matthias, 4150 Krefeld Tambour-Rauhmaschine mit Vorrichtung zum Rauhen von Textilwaren
US5084948A (en) * 1990-06-18 1992-02-04 Guilford Mills, Inc. Textile napping machine
WO1995029281A1 (en) * 1994-04-27 1995-11-02 Stamperia Emiliana S.R.L. A device for artificially ageing and finishing a fabric
EP0784114A1 (de) * 1996-01-10 1997-07-16 Sucker-Müller-Hacoba GmbH & Co. Schmirgelmaschine
WO1999001602A1 (en) * 1997-06-30 1999-01-14 Lafer S.P.A. Wet grinding method for textile material and relative device
WO1999006624A1 (en) * 1997-07-31 1999-02-11 Roberto Franchetti Method to widen a fabric winding on a raising and/or grinding drum and relative widening device
WO1999018278A1 (en) * 1997-10-08 1999-04-15 Tintoria Rifinizione Nuove Idee S.P.A. Teaseling machine comprising a system for adjusting the path of the fabric that is being processed

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE216448C (de) *
GB198050A (en) * 1922-02-23 1923-05-23 Arthur Meats Improvements in or relating to machines for brushing up fabric
DE8707501U1 (de) * 1987-05-25 1987-08-27 Rommerskirchen, Matthias, 4150 Krefeld Tambour-Rauhmaschine mit Vorrichtung zum Rauhen von Textilwaren
US5084948A (en) * 1990-06-18 1992-02-04 Guilford Mills, Inc. Textile napping machine
WO1995029281A1 (en) * 1994-04-27 1995-11-02 Stamperia Emiliana S.R.L. A device for artificially ageing and finishing a fabric
EP0784114A1 (de) * 1996-01-10 1997-07-16 Sucker-Müller-Hacoba GmbH & Co. Schmirgelmaschine
WO1999001602A1 (en) * 1997-06-30 1999-01-14 Lafer S.P.A. Wet grinding method for textile material and relative device
WO1999006624A1 (en) * 1997-07-31 1999-02-11 Roberto Franchetti Method to widen a fabric winding on a raising and/or grinding drum and relative widening device
WO1999018278A1 (en) * 1997-10-08 1999-04-15 Tintoria Rifinizione Nuove Idee S.P.A. Teaseling machine comprising a system for adjusting the path of the fabric that is being processed

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241292A1 (de) * 2001-03-15 2002-09-18 LAFER SpA Bewegungsübertragungsvorrichtung für Trommeltypmaschinen und Trommeltypmaschinen mit solch einer Übertragungsvorrichtung
EP1318224A2 (de) * 2001-12-07 2003-06-11 Sucker-Müller-Hacoba GmbH & Co. Rauhmaschine
EP1318224A3 (de) * 2001-12-07 2005-05-18 Moenus Textilmaschinen GmbH Rauhmaschine
EP1431437A1 (de) * 2002-12-17 2004-06-23 LAFER SpA Verfahren und Vorrichtung zum Ausrüsten von Textilmaterialien
EP1469115A2 (de) * 2003-04-14 2004-10-20 Alessandro Denti Vorrichtung zur Oberflächenbehandlung von Geweben
EP1469115A3 (de) * 2003-04-14 2005-09-07 Alessandro Denti Vorrichtung zur Oberflächenbehandlung von Geweben
WO2005014908A1 (en) * 2003-08-06 2005-02-17 Coramtex S.R.L. Machine for processing textile fabrics
ES2226588A1 (es) * 2004-10-26 2005-03-16 Jaume Anglada Viñas, S.A. Maquina multifuncion para ennoblecido de bandas textiles.
WO2006048476A1 (es) * 2004-10-26 2006-05-11 JAUME ANGLADA VIñAS S.A. Máquina multifunción para ennoblecido de bandas textiles
CN103696197A (zh) * 2013-12-02 2014-04-02 广东瑞拓环保机械有限公司 磨毛机中央吸尘装置
IT201800008103A1 (it) * 2018-08-16 2020-02-16 Sintec Textile Srl Apparato e metodo per la smerigliatura di tessuti
CN114045624A (zh) * 2021-12-16 2022-02-15 广东德博仕工业有限公司 双联碳素辊刷毛机

Also Published As

Publication number Publication date
EP1072713B1 (de) 2004-09-29
ITUD990141A1 (it) 2001-01-30
ES2230004T3 (es) 2005-05-01
EP1072713A3 (de) 2001-04-04
DE60014274T2 (de) 2005-10-06
ITUD990141A0 (it) 1999-07-30
IT1310884B1 (it) 2002-02-22
DE60014274D1 (de) 2004-11-04

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