EP3119709A1 - Method and module for cutting a non-woven textile strip in a method for winding said strip about a rotatably driven receiving bobbin - Google Patents
Method and module for cutting a non-woven textile strip in a method for winding said strip about a rotatably driven receiving bobbinInfo
- Publication number
- EP3119709A1 EP3119709A1 EP15715342.0A EP15715342A EP3119709A1 EP 3119709 A1 EP3119709 A1 EP 3119709A1 EP 15715342 A EP15715342 A EP 15715342A EP 3119709 A1 EP3119709 A1 EP 3119709A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- web
- line
- winding
- upstream
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004804 winding Methods 0.000 title claims abstract description 37
- 239000004753 textile Substances 0.000 title claims description 23
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 30
- 230000003313 weakening effect Effects 0.000 claims description 44
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- B65H19/26—Cutting-off the web running to the wound web roll
- B65H19/267—Cutting-off the web running to the wound web roll by tearing or bursting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5151—Cutting handled material transversally to feeding direction
- B65H2301/51514—Breaking; Bursting; Tearing, i.e. cutting without cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5152—Cutting partially, e.g. perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5153—Details of cutting means
- B65H2301/51532—Blade cutter, e.g. single blade cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/177—Fibrous or compressible material
Definitions
- the winding process consists in winding a non-woven fabric strip around a so-called receiving spool driven in rotation.
- the method according to the invention thus relates more particularly to the cutting of the textile strip, upstream of the receiving coil, to allow for example the evacuation of said receiving reel once ⁇ completed winding.
- the invention finds particular advantageous, but not limiting, application in a splicing process, or else slicing for example, when it is appropriate, at the end of winding, to cut the textile strip to change the receiving coil.
- the method according to the invention is adaptable to any machine or any process in which it is necessary to cut a textile strip upstream of a receiving coil.
- the invention also relates to a module for cutting a non-woven fabric web in a method of winding said web around a rotationally driven receiving roll.
- One of the aims of the invention is to provide a rapid and automatic method of cutting a nonwoven fabric web in a method of winding said web around a rotationally driven receiving roll.
- Another object of the invention is to provide such a method which can be adapted to any type of winding process such as a winding of a strip for example.
- a method comprising at least the steps of:
- the method makes it possible to cut the textile strip upstream of the receiving roll. Since the method provides for a step of moving the weakened line, the end of the strip not attached to the receiving coil is, once the strip is cut, easily recoverable for another use, such as for example for the attach to a new receiver and continue the winding process. Stopping the unwinding of the strip to make a weakened line, instead of a cutting line, then restarting the unwinding to move the weakening line, allows the cutting method according to the invention to be able to adapt to any type of winding process, such as a winding by slicing for example.
- Controlled tensioning of the tape is done by rotating the receiving coil in a controlled speed so as not to cut the tape.
- the cutting of the textile strip is carried out, on the one hand, by blocking the strip upstream / downstream of the weakening line and, on the other hand, by exerting a downstream / upstream traction of said weakening line. Blocking and traction are carried out by any appropriate means.
- the strip is thus cut quickly and cleanly along said line of weakness, without the intervention of an operator.
- the band is blocked when the weakening line is out of the means that made it possible to make said weakening line.
- the step of blocking the tape consists of operating means that grip the tape.
- the step of exerting a tensile force on the web consists of continuing the rotational drive of the web.
- the process is simple and reliable.
- the method according to the invention also comprises, after the cutting of the strip, a step of applying a compression arm to the width of the receiving coil, while continuing the rotational drive of the receiving coil to controlled speed and over at least one turn to compress the free end of the textile web against the spool.
- the step of making a weakening line consists of producing a pre-cut line, or a line consisting of a plurality of perforations, or any other type of weakening lines.
- the essential point lies in the fact that the weakening line must allow the cutting of the strip when it is blocked upstream / downstream of said weakening line and that a pulling force is exerted on the downstream / upstream strip. of that line.
- the step of applying a compression arm consists in applying a transverse roller. The transverse roller makes it possible to apply a controlled pressure over the entire width of the spool for compressing the free end of the strip against said spool and allowing its temporary "sticking".
- the means capable of blocking the strip may have different shapes.
- the bottom line is that they are able to block unwinding of the tape.
- These may for example be in the form of actuatable means for gripping the band.
- the fact that these means are operable so as to come to pinch the band makes it possible to pinch said strip upstream or downstream of the weakening line, according to the desired implementation of the invention.
- the clamping is advantageously carried out over the entire width of the strip.
- the clamping means are, for example, able to carry out a pressure on the strip against a surface.
- the clamping means are thus operable to move from a neutral position in which they do not interfere with unwinding of the band at a clamping position in which they are resting against the band to pinch it against a counter surface and prevent its unwinding.
- the embrittlement means are of any suitable form. The essential lies in the fact that they are able to achieve a transverse line of embrittlement of the textile strip, allowing it to be subsequently cut along this line of weakness.
- FIGS. 1 to 6 are successive schematic representations in side view of a cutting module according to the invention, said figures successively illustrating the steps of the method;
- FIG. 1 illustrates the process of winding a textile strip around a receiving coil;
- FIG. 2 illustrates the step of stopping the winding process
- FIG. 3 illustrates the step consisting in making a transverse weakening line on the textile strip
- FIG. 4 illustrates the step of restarting the rotational drive of the controlled-speed coil to move said weakening line
- - Figure 5 illustrates the step of clamping the strip upstream of the weakening line, while continuing ⁇ rotation of the coil to cut the textile strip along the weakening line.
- FIG. 6 illustrates the step of continuing the rotation of the spool on at least one turn by applying a compression arm to the width of the strip;
- FIG. 7 is a diagrammatic representation in perspective of an embodiment of the embrittlement means according to the invention.
- FIG. 8 is a schematic representation similar to that of fig 7, the means being shown from the front.
- the invention relates to a method and a module (1) for cutting a web (2) of nonwoven fabric in a method of winding said web (2) around a spool (3) driven in rotation .
- the method and the module (1) according to the invention allow to cut transversely the strip (2) upstream of the coil (3). This operation allows the evacuation of the coil (3) once the winding of the strip (2) completed.
- the winding method thus implements a reel (3) receiving which is fixed at one end of a strip (2) to be wound.
- the coil (3) is rotated about its axis of revolution to proceed to the winding of the strip (2).
- Return rollers (4) are used to tension the web (2) and to return said web (2) to the web (3).
- the winding of the strip (2) is carried out until, for example, a desired spool diameter (3) is obtained.
- embrittlement means (5) are arranged upstream of the receiving reel (3), and on the unwinding path of the textile strip (2). These embrittlement means (5) may have different shapes. These embrittlement means (5) are displaceable from a first position in which they are not in contact with the strip (2), to a second position in which they are pressed against the strip (2), in counterpressure against a surface (5b) for example, and over its entire width so as to achieve a transverse weakening line (8) of said strip (2).
- these weakening means (5) are for example in the form of a blade (5a) comprising a sawtooth profile and secured to displacement means such as a jack (5c). ) for example.
- the blade (5a) is pressed against a surface (5b) comprising a complementary sawtooth profile.
- the weakening line is in particular a pre-cut line.
- the winding of the textile strip (2) is restarted.
- the spool (3) is rotated again and at a controlled speed so as to wind the web (2) of textile around said spool (3).
- This operation must be done at controlled speed and tension so as not to generate too much tensile force on the strip (2) which could lead to its cutting along the line of weakness.
- the winding thus causes the displacement of the weakened line, and the winding is continued until this line reaches a desired position.
- the desired position is defined so as to leave the weakening line of the space generated by the weakening means (5) so that once the subsequent cut is made, it is easy to grasp the end of the strip (2). of textile not attached to the reel (3) receiving, that is to say the end of the strip (2) from said weakening means (5).
- clamping means (6) are arranged upstream of the receiving coil (3). These clamping means (6) are arranged such that they are able to block unwinding of the textile strip (2) upstream of the weakening line. Thus, when the weakening line has reached the desired position, the clamping means (6) are actuated and clamp the web (2) of textile, while continuing ⁇ rotational drive of the coil (3).
- the clamping means (6) are thus operable to move from a neutral position in which they do not interfere with unwinding of the band at a clamping position in which they bear against the band (2) to pinch it against a against the surface and prevent its unfolding.
- the rotational drive of the spool (3) then generates a tensile force exerted on the strip (2), which force causes the cutting of the strip (2) along the transverse weakening line (8).
- the cutting is fast and clean, and requires no operator intervention.
- the clamping means (6) are suitable for clamping the band (2) and blocking its unwinding. These clamping means (6) are of any suitable type and are for example arranged at the level of the embrittlement means (5).
- the pulling force is exerted by the rotational drive of the spool (3) but can be exerted by any other suitable means.
- the invention provides a method and a module (1) for cutting a nonwoven fabric web (2) in a method of winding said web (2) around a web (3) reception.
- the process is fast and efficient and requires no user intervention.
Landscapes
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1452397A FR3018795B1 (en) | 2014-03-21 | 2014-03-21 | METHOD AND MODULE FOR CUTTING A NON-WOVEN TEXTILE STRIP IN A METHOD OF WOUNDING SAID STRIP AROUND A ROTATION DRIVEN RECEIVING COIL |
PCT/FR2015/050657 WO2015140466A1 (en) | 2014-03-21 | 2015-03-18 | Method and module for cutting a non-woven textile strip in a method for winding said strip about a rotatably driven receiving bobbin |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3119709A1 true EP3119709A1 (en) | 2017-01-25 |
EP3119709B1 EP3119709B1 (en) | 2018-01-31 |
Family
ID=51225658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15715342.0A Active EP3119709B1 (en) | 2014-03-21 | 2015-03-18 | Method and module for cutting a non-woven textile strip in a method for winding said strip about a rotatably driven receiving bobbin |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3119709B1 (en) |
FR (1) | FR3018795B1 (en) |
WO (1) | WO2015140466A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUA20163344A1 (en) | 2016-05-11 | 2017-11-11 | Celli Nonwovens Spa | MACHINE AND METHOD FOR THE WINDING OF STRIPS OF MATTRESS WITH THE MEANS OF TRANSVERSAL CUTTING OF THE STRIPS AND ANCHORING OF THE STRIPES AT THE ANCHORING SOUL |
IT201600108463A1 (en) | 2016-10-27 | 2018-04-27 | Celli Nonwovens Spa | MACHINE AND METHOD FOR THE WINDING OF STRIPES OF MATTRESS MATCHING WITH MEANS FOR CROSS-CUTTING THE STRIPES AT THE END OF THE WINDING |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19519306A1 (en) * | 1995-05-26 | 1996-11-28 | Voith Sulzer Papiermasch Gmbh | Method and device for the automatic cutting and winding of a paper web |
DE29508732U1 (en) * | 1995-05-26 | 1995-09-21 | Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim | Device for perforating a running paper web |
ES2157651T3 (en) * | 1998-04-07 | 2001-08-16 | Techint Spa | IMPROVED APPLIANCE FOR WRAPPING COMPRESSIBLE FIBER MATERIALS. |
FR2861749B1 (en) * | 2003-11-03 | 2005-12-16 | Saint Gobain Vetrotex | DEFORMABLE MATERIAL WITH FIBROUS REINFORCEMENT FOR THE MANUFACTURE OF THERMOPLASTIC MATRIX COMPOSITES |
EP2067584A1 (en) * | 2007-12-06 | 2009-06-10 | M T C - Macchine Trasformazione Carta S.r.l. | Rewinding machine with perforating means and method |
-
2014
- 2014-03-21 FR FR1452397A patent/FR3018795B1/en active Active
-
2015
- 2015-03-18 EP EP15715342.0A patent/EP3119709B1/en active Active
- 2015-03-18 WO PCT/FR2015/050657 patent/WO2015140466A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP3119709B1 (en) | 2018-01-31 |
FR3018795B1 (en) | 2016-05-27 |
WO2015140466A1 (en) | 2015-09-24 |
FR3018795A1 (en) | 2015-09-25 |
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