EP3839122A1 - Machine for the finishing treatment of a textile web and corresponding method - Google Patents
Machine for the finishing treatment of a textile web and corresponding method Download PDFInfo
- Publication number
- EP3839122A1 EP3839122A1 EP19383141.9A EP19383141A EP3839122A1 EP 3839122 A1 EP3839122 A1 EP 3839122A1 EP 19383141 A EP19383141 A EP 19383141A EP 3839122 A1 EP3839122 A1 EP 3839122A1
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- European Patent Office
- Prior art keywords
- duct
- web
- impact
- impact element
- machine
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- 239000004753 textile Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000009825 accumulation Methods 0.000 claims abstract description 13
- 230000003116 impacting effect Effects 0.000 claims description 17
- 239000011435 rock Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 56
- 230000035508 accumulation Effects 0.000 description 10
- 238000007664 blowing Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000003718 aged appearance Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002366 mineral element Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- D06C19/00—Breaking or softening of fabrics
Definitions
- the invention relates to a machine for the finishing treatment of a textile web comprising first and second accumulation chambers for accumulating said web with first and second take-up areas for taking up said web, a conveyance duct having a length extending between first and second ends, said duct communicating said first and second chambers with one another, said duct being configured so that, during treatment, said web is conveyed inside said duct widthwise, said duct comprising first and second gas inlets, and said machine further comprising gas drive means functionally connected with said duct so that, during treatment, a gas is insufflated inside said duct in an alternating manner through said first and second gas inlets, and with said first gas inlet being oriented such that, during treatment, said gas circulates towards said second chamber, and with said second gas inlet being oriented such that, during treatment, said gas circulates towards said first chamber, and at least one impact element arranged so that, during treatment, said web impacts said at least one impact element.
- the machine relates to a method for the finishing treatment of a textile web in a machine comprising: first and second accumulation chambers for accumulating said web with first and second take-up areas for taking up said web, and a conveyance duct of length extending between first and second ends, said duct communicating said first and second chambers with one another, said duct being configured so that, during treatment, said web is conveyed inside said duct widthwise.
- Machines for the treatment of textile webs by making the web impact a surface are known in the state of the art.
- the textile web is moved along a conveyance duct between first and second accumulation chambers for accumulating web, conveyed by means of a drive gas, such as, for example, air insufflated into the conveyance duct by fan-type, centrifugal pump-type, or similar type operating means.
- a drive gas such as, for example, air insufflated into the conveyance duct by fan-type, centrifugal pump-type, or similar type operating means.
- first and second gas inlets respectively include a plurality of nozzles. This plurality of nozzles is provided respectively in the upper part and lower part of the duct.
- the nozzles of the first gas inlet are inclined such that they form an angle which directs the gas towards the second accumulation chamber for accumulating web.
- the nozzles of the second gas inlet are inclined such that they form an angle which directs the gas towards the first accumulation chamber for accumulating web.
- the object of the invention is a machine for the finishing treatment of a textile web of the type indicated above, which allows applying more intense finishes, without negatively affecting the manufacturing costs of the machine, or the energy consumption thereof.
- a machine for the finishing treatment of a textile web of the type indicated at the beginning characterized in that said first gas inlet is provided inside said duct, at said first end and in a position adjacent to said first chamber, and said second gas inlet is provided inside said duct, at said opposite second end of said duct and adjacent to said second chamber.
- finishing treatment does not necessarily mean that it is the last treatment applied to a textile web, but rather it is simply a treatment applied on its surface to improve or modify its structure and hand.
- the gas inlets of the machine according to the invention are at the first and second ends of the duct. Thanks to that, the duct segment along which the textile web is conveyed by the mass of air is elongated. Thanks to that, at the same blowing speed with respect to machines of the state of the art, the conveyance speed of the web upon reaching the end of the duct, before impacting the impact element, will be noticeably higher than the speed of the web in the machines of the state of the art. This leads to a higher intensity in the impact with the impact element, and accordingly to a more intensive treatment.
- the gas is dry air. Nevertheless, water vapor or vapors of other similar gases can also be used.
- the machine according to the invention provides a simple system so that different types of treatment can be carried out, without needing to install more blowing power or increase the blowing speed.
- the invention further includes a number of preferred features that are object of the dependent claims and the utility of which will be highlighted hereinafter in the detailed description of an embodiment of the invention.
- said machine comprises a feed duct which fluidically connects said driving means and said conveyance duct through said first and second ends of said conveyance duct.
- said first gas inlet is provided in the first third of the length of said conveyance duct and preferably in the first fourth of the length, and said second gas inlet is provided in a position of said duct that is mirror-symmetrical to said first gas inlet.
- said at least one impact element comprises at least one first impact element which is arranged inside said conveyance duct, said first impact element being movable between: a passage position of said web, in which, during treatment, said first impact element is arranged such that said web passes freely through said duct without impacting said first impact element, and an impact position of said web, in which, during treatment, said first impact element is arranged such that said web passes through said duct impacting said first impact element.
- This impact element can be, for example, in the center of the conveyance duct.
- said at least one impact element further comprises at least one second impact element which is arranged inside said conveyance duct, said impact element being movable between a passage position of said web, in which, during treatment, said second impact element is arranged such that said web passes freely through said duct without impacting said second impact element, while said first impact element is in the impact position, and an impact position of said web, in which, during treatment, said second impact element is arranged such that said web passes through said duct impacting said second impact element, while said first impact element is in said passage position.
- the second impact element the web can be treated in both movement directions of the web.
- the machine comprises at least two first and two second impact elements, each of said first impact elements being arranged respectively on opposite faces of said duct and each of said second impact elements being arranged respectively on opposite faces of said duct. Therefore, the web can be treated simultaneously on both faces.
- said first and second impact elements of one face of said duct are offset in the longitudinal direction with respect to said first and second impact elements of the opposite face of said duct.
- said at least one first impact element is arranged in the first third of the length L of said conveyance duct, and said at least one second impact element is provided in said duct in a position that is mirror-symmetrical to said first impact element.
- said at least one impact element comprises at least one third impact element arranged facing the outlet of one of said first and second ends so that, during treatment, said web impacts said at least one third impact element. It is indeed at the outlet of the duct where the web has the highest speed, and therefore the impact is more efficient.
- said at least one third impact element is mounted so as to be movable with respect to the rest of the machine for adjusting the distance and/or angle of said at least one third impact element with respect to said duct.
- said at least one third impact element is optionally mounted so as to rock around a rocking shaft, said shaft being perpendicular to the longitudinal direction of said conveyance duct, and where said third impact element may adopt any angular position from an upper position, in which said third impact element is spaced apart from said duct, and a lower position, in which said third impact element is close to said duct.
- the variation of the angle of inclination of the third impact element allows transitioning from a pure striking treatment, if the angle is very small with respect to the vertical direction, to an effect of rubbing the surface of the web, when the angle of inclination is large with respect to the vertical direction.
- the third impact element further comprises a deflector panel with said deflector panel being mounted so as to divert the direction of said drive gas coming out of said impact panel in the take-up direction for taking up said textile web.
- the third impact element is an impact panel that is, for example, metallic, metallic with different shapes on the front or rear surfaces, metallic with mineral elements on the impact surfaces, or metallic with an at least partially rough surface coating, or metallic with abrasive material inlays, which provides sufficient weight for having an optimized fastening, taking advantage of the weight of the impact panel and providing different finish characteristics.
- said impact panel comprises a perimetral chassis and first and second arrangements of bars, which are adjacent to one another and not coplanar and mounted in said chassis to respectively form said front and rear surfaces.
- the front surface is formed by the first arrangement of bars, which are preferably arranged with their axes being coplanar.
- the rear surface is formed by the second arrangement of bars, which are preferably arranged with their axes being coplanar.
- the axes of the first and second arrangements are not coplanar.
- the bars of said first and second arrangements of bars have one or more cross sections of the group formed by circles, triangles, squares, triangles open at the base, U-shaped with a square base, U-shaped with a circular base, C-shaped, or combinations thereof.
- said impact panel comprises a perimetral chassis and a first arrangement of bars parallel to one another, mounted in said chassis so as to respectively form said front and rear surfaces and the side of said bars which forms said front surface is made of a different material than the side of the bars which forms said rear surface.
- the bars are bars of a metallic material such as steel, aluminum, or the like, while the other material are abrasive minerals such as pumice-type stones, popularly known as pumice stone, basalt stones, stone and cement aggregates, or the like.
- said bars are formed by a plurality of hollow metallic tubes and abrasive minerals, said tubes forming a housing extending in the longitudinal direction of the bar, and said abrasive minerals protruding from said hollow metallic tubes.
- the machine comprises a plurality of first and second gas inlets.
- said at least first and second gas inlets are provided in the upper part and lower part of said duct.
- the invention also relates to a method for the finishing treatment of a textile web in a machine according to the invention comprising the steps of insufflating air into said conveyance duct in an alternating manner from said first or second ends, and making said web impact at least one impact element.
- a first embodiment of a machine 1 according to the invention for the treatment of a textile web 100 can be seen in Figures 1 and 2 .
- the machine 1 is split into first and second accumulation chambers 4, 6 for accumulating the web 100.
- the web 100 enters the first chamber 4 through the upper part of the machine 1 by means of a feed roller 32 and is extracted from the second chamber 6 through the upper part of the opposite end by means of an extraction roller 34.
- the feed roller 32 introduces a sufficient amount of web 100 into the second chamber 6 for it to accumulate in a first lower take-up area 8 of the machine 1, which consists of a basket 42.
- the latter is sized so as to receive the entire width of the web 100, preventing the formation of creases in the web because of the width of the basket 42.
- the extraction roller 34 does not pull the textile web 100 until a certain amount of web 100 has accumulated in the second take-up area 10. Precisely these accumulations of web 100 leave a sufficient amount of web 100 that is not tensioned so as to enable applying the alternating treatment of the web 100 described below.
- the machine 100 comprises a conveyance duct 12 of length L extending between first and second ends 14, 16. It is important to differentiate between and not confuse the ends of the duct, that is, the final segment of each side of the duct 12, with the outlet point.
- the duct 12 communicates the first and second chambers 4, 6 with one another.
- the duct 12 of the machine 100 according to the invention is wide enough so that, during treatment, the web 100 is conveyed in its inner duct 12 widthwise, the web 100 being fully extended.
- the duct 12 comprises first and second gas inlets 22, 24.
- the machine also comprises gas drive means 18, such as, for example, a fan.
- the fan can be a centrifugal fan, without discarding other equivalent solutions which may incorporate devices, such as a compressor or other similar devices.
- the driving means 18 are functionally connected with the duct 12 so that, during treatment, a gas is insufflated into the duct 12 in an alternating manner through the first and second gas inlets 22, 24. It can be seen in the figures that the first gas inlet 22 is oriented such that, during treatment, the gas circulates towards the second chamber 6. In turn, the second gas inlet 26 is oriented such that, during treatment, the gas circulates towards the first chamber 4.
- the alternating movement is achieved as a result of the machine 100 comprising shut-off valves 46 which move between a shut-off position (see Figure 2 , left side), preventing air from entering the duct 12, and a passage position (see Figure 2 , right side), which allows air to enter the duct 12. Therefore, by blocking the second gas inlet 24 and leaving the first gas inlet 22 open, the web 100 is moved from the first chamber 4 to the second chamber 6. Conversely, by blocking the first gas inlet 22 and leaving the second gas inlet 24 open, the web 100 is moved in the opposite direction. Therefore, the web 100 is thereby conveyed in an alternating manner between the first and second chambers 4, 6 in order to be subjected to treatment.
- the injection of gas to cause the alternating movement inside the duct 12 does not necessarily require the second gas inlet 24 to be completely blocked when the first gas inlet 22 is open.
- the opposite gas inlet can be left partially open for a certain gas flow to circulate in the direction opposite the main stream in order to create turbulence.
- the gas is dry air, but humid air, vapor, or other gases can also be used.
- tumbling treatment consists of striking the textile web 100 multiple times to soften its texture.
- the machine 100 of the first embodiment has at the outlet of the duct 12 two third impact elements 20 arranged so that, during treatment, the web 100 impacts respectively either impact element 20 as a result of each of the third impact elements 2 being arranged facing the outlet of the respective first or second ends 14, 16.
- the intensity of the impact largely depends on the speed of the web at the outlet of the conveyance duct 12. Therefore, to obtain a machine 100 which allows applying more intense finishes, without negatively affecting the manufacturing costs of the machine, or the energy consumption thereof, in the invention the first gas inlet 22 is provided inside the duct 12, at the first end 14 and in a position adjacent to the first chamber 4, and the second gas inlet 24 is provided inside the duct 12, at the opposite second end 16 of the duct 12 and adjacent to the second chamber 6. This allows taking the most advantage of the length L of the duct 12 to impart speed to the web 100 over this entire length L, such that speed is at its maximum value at the outlet of the conveyance duct 12.
- the first gas inlet 22 is provided in the first third of the length L of the conveyance duct 12 and preferably in the first fourth of the length L.
- the second gas inlet 24 is provided in a position of the duct 12 that is mirror-symmetrical to said first gas inlet 22.
- the third impact elements 2 are mounted so as to be movable with respect to the rest of the machine 1 for adjusting the distance and/or angle of each of the third impact elements 2 with respect to the duct 12.
- each third impact element 2 is mounted so as to rock around a rocking shaft 40.
- This rocking shaft 40 is perpendicular to the longitudinal direction of said conveyance duct 12. Thanks to that, each third impact element 2 may adopt any one angular position from: an upper position, in which the third impact element 2 is spaced apart from the duct 12, and a lower position, in which the third impact element 2 is close to the duct 12.
- each of the third impact elements 2 further comprises a deflector panel 28. This is mounted so as to divert the direction of the drive gas coming out of the impact panel 20 in the take-up direction for taking up the textile web 100.
- the machine described hereinabove allows putting into practice a method according to which the web is moved in an alternating manner between the first and second chambers 4, 6 upon insufflating air into said conveyance duct in an alternating manner from said first or second ends, and making said web impact the corresponding impact element 2.
- said machine 1 comprises four first and four second impact elements 36, 38 which are arranged inside said conveyance duct 12 and are respectively adjacent to the first and second chambers 4, 6.
- the first impact elements 36 are movable between: a passage position of the web 100, in which, during treatment, the first impact elements 36 are arranged such that the web 100 passes freely through the duct 12 without impacting them, and an impact position of the web 100, in which, during treatment, these first impact elements 36 are arranged such that the web 100 passes through the duct 12 impacting the first impact elements 36.
- Figure 3 shows the first impact elements 36 in the impact position.
- the second elements 38 also are movable between: a passage position of the web 100, in which, during treatment, these second impact elements 38 are arranged such that the web 100 passes freely through the duct 12 without impacting the second impact elements 38, while the first impact elements 36 are in the impact position, and an impact position of the web 100, in which, during treatment, the second impact elements 38 are arranged such that the web 100 passes through the duct 12 impacting the second impact elements 38, while the first impact elements 36 are in said passage position.
- Figure 3 shows the second impact elements 38 in the passage position.
- each of the first and second impact elements 36, 38 are arranged respectively on opposite faces of the duct 12, in this case, the upper and lower faces 48, 50 of the duct 12. Furthermore, the first and second impact elements 36, 38 of the upper face 48 of the duct 12 are offset in the longitudinal direction with respect to the first and second impact elements 36, 38 of the lower face 50 of the duct 12.
- the impact positions of the first and second impact elements 36, 38 may be variable. That is, the first and second impact elements 36, 38 may be arranged in different impact positions.
- the first and second impact elements 36, 38 rock between the respective passage and impact positions.
- the first impact elements 36 are arranged in the first third of the length L of the conveyance duct 12.
- the second impact elements 38 are provided in the duct 12 in a position that is mirror-symmetrical to the respective first impact elements 36.
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Abstract
Description
- The invention relates to a machine for the finishing treatment of a textile web comprising first and second accumulation chambers for accumulating said web with first and second take-up areas for taking up said web, a conveyance duct having a length extending between first and second ends, said duct communicating said first and second chambers with one another, said duct being configured so that, during treatment, said web is conveyed inside said duct widthwise, said duct comprising first and second gas inlets, and said machine further comprising gas drive means functionally connected with said duct so that, during treatment, a gas is insufflated inside said duct in an alternating manner through said first and second gas inlets, and with said first gas inlet being oriented such that, during treatment, said gas circulates towards said second chamber, and with said second gas inlet being oriented such that, during treatment, said gas circulates towards said first chamber, and at least one impact element arranged so that, during treatment, said web impacts said at least one impact element.
- Furthermore, the machine relates to a method for the finishing treatment of a textile web in a machine comprising: first and second accumulation chambers for accumulating said web with first and second take-up areas for taking up said web, and a conveyance duct of length extending between first and second ends, said duct communicating said first and second chambers with one another, said duct being configured so that, during treatment, said web is conveyed inside said duct widthwise.
- Machines for the treatment of textile webs by making the web impact a surface are known in the state of the art. In these machines, the textile web is moved along a conveyance duct between first and second accumulation chambers for accumulating web, conveyed by means of a drive gas, such as, for example, air insufflated into the conveyance duct by fan-type, centrifugal pump-type, or similar type operating means.
- Document ES 2593839 A1 discloses an example of machines of this type. At the outlet of the duct which is located between both accumulation chambers for accumulating web, there are provided passive impact elements. These impact elements are, for example, panels which, arranged facing the respective outlet of the duct, functionally interact with the web. The passive striking consists of the web impacting these passive or stationary impact elements. The impact force of the web is proportional to the movement speed thereof. Thus, the higher the movement speed of the web, the more intense is the impact occurring in the web upon impacting the respective panel. This treatment is known as tumbling. Tumbling makes the textile web have a smoother, more flexible, and bulkier texture because it relaxes the structure of the web.
- To achieve movement of the web, in the central area of the conveyance duct there are provided first and second gas inlets. The first and second gas inlets respectively include a plurality of nozzles. This plurality of nozzles is provided respectively in the upper part and lower part of the duct. The nozzles of the first gas inlet are inclined such that they form an angle which directs the gas towards the second accumulation chamber for accumulating web. In turn, the nozzles of the second gas inlet are inclined such that they form an angle which directs the gas towards the first accumulation chamber for accumulating web. Thus, in operation, the air outlet of the first or second gas inlets is completely or partially blocked to cause the movement of the web towards the corresponding accumulation chamber. Thanks to that, the web can be moved without contact with the duct between both accumulation chambers.
- This type of machine is widely used for treating preferably, but not exclusively, towel-type textile webs. Up until now, the machine worked satisfactorily, meeting previous consumer demands. Nevertheless, new needs or trends in relation to the finishing of textile web have recently emerged. For some time now, consumers want the textile web to have an even softer texture than what was common in the art. In other cases, consumers want a textile web with an aged appearance.
- One of the problems in the machine of document
ES 2593839 A1 - The object of the invention is a machine for the finishing treatment of a textile web of the type indicated above, which allows applying more intense finishes, without negatively affecting the manufacturing costs of the machine, or the energy consumption thereof.
- This purpose is achieved by a machine for the finishing treatment of a textile web of the type indicated at the beginning, characterized in that said first gas inlet is provided inside said duct, at said first end and in a position adjacent to said first chamber, and said second gas inlet is provided inside said duct, at said opposite second end of said duct and adjacent to said second chamber.
- In the invention, finishing treatment does not necessarily mean that it is the last treatment applied to a textile web, but rather it is simply a treatment applied on its surface to improve or modify its structure and hand.
- Unlike the machines of the state of the art in which the gas inlets are in the center of the duct, the gas inlets of the machine according to the invention are at the first and second ends of the duct. Thanks to that, the duct segment along which the textile web is conveyed by the mass of air is elongated. Thanks to that, at the same blowing speed with respect to machines of the state of the art, the conveyance speed of the web upon reaching the end of the duct, before impacting the impact element, will be noticeably higher than the speed of the web in the machines of the state of the art. This leads to a higher intensity in the impact with the impact element, and accordingly to a more intensive treatment.
- Despite this fact, it is not necessary to increase blowing speed of the operating means, but rather the increase in displacement speed of the web is based solely and exclusively on the increase in the length of the conveyance path of the web. All this makes the machine more flexible, which allows increasing the range of the types of treatment applied to the textile web.
- Alternatively, if the intention is to merely obtain the same intensity of impact with the impact element, air speed can be reduced. Therefore, energy consumption of the machine is reduced.
- In relation to the drive gas according to the invention, preferably the gas is dry air. Nevertheless, water vapor or vapors of other similar gases can also be used.
- Therefore, the machine according to the invention provides a simple system so that different types of treatment can be carried out, without needing to install more blowing power or increase the blowing speed.
- The invention further includes a number of preferred features that are object of the dependent claims and the utility of which will be highlighted hereinafter in the detailed description of an embodiment of the invention.
- Preferably, said machine comprises a feed duct which fluidically connects said driving means and said conveyance duct through said first and second ends of said conveyance duct.
- In a preferred embodiment the objective of which is to maximize the speed of the web at the outlet of the duct, said first gas inlet is provided in the first third of the length of said conveyance duct and preferably in the first fourth of the length, and said second gas inlet is provided in a position of said duct that is mirror-symmetrical to said first gas inlet. The closer the gas inlets are to the ends, the more length of the duct is available, and therefore a higher movement speed of the web is achieved at the opposite end of the duct.
- In order to achieve a smooth but at the same time effective impact, by way of brushing against the surface of the textile web, said at least one impact element comprises at least one first impact element which is arranged inside said conveyance duct, said first impact element being movable between: a passage position of said web, in which, during treatment, said first impact element is arranged such that said web passes freely through said duct without impacting said first impact element, and an impact position of said web, in which, during treatment, said first impact element is arranged such that said web passes through said duct impacting said first impact element. This impact element can be, for example, in the center of the conveyance duct.
- To increase the speed of the treatment and therefore reduce the machine operating energy cost, said at least one impact element further comprises at least one second impact element which is arranged inside said conveyance duct, said impact element being movable between a passage position of said web, in which, during treatment, said second impact element is arranged such that said web passes freely through said duct without impacting said second impact element, while said first impact element is in the impact position, and an impact position of said web, in which, during treatment, said second impact element is arranged such that said web passes through said duct impacting said second impact element, while said first impact element is in said passage position. As a result of the second impact element, the web can be treated in both movement directions of the web.
- Once again, to even further increase the speed of applying the treatment, the machine comprises at least two first and two second impact elements, each of said first impact elements being arranged respectively on opposite faces of said duct and each of said second impact elements being arranged respectively on opposite faces of said duct. Therefore, the web can be treated simultaneously on both faces.
- In another preferred embodiment the objective of which is to soften the hand of the web, said first and second impact elements of one face of said duct are offset in the longitudinal direction with respect to said first and second impact elements of the opposite face of said duct. This alternating arrangement of the impact elements causes the web upon moving to carry out a winding motion during the movement, slightly impacting the impact elements or brushing against them and therefore causes the fibers to become even softer.
- To generate an impact with the greatest possible energy, and therefore the most effective treatment possible, in a preferred embodiment said at least one first impact element is arranged in the first third of the length L of said conveyance duct, and said at least one second impact element is provided in said duct in a position that is mirror-symmetrical to said first impact element.
- For the purpose of increasing the number of high-intensity impacts per processing step, in another optional embodiment said at least one impact element comprises at least one third impact element arranged facing the outlet of one of said first and second ends so that, during treatment, said web impacts said at least one third impact element. It is indeed at the outlet of the duct where the web has the highest speed, and therefore the impact is more efficient.
- Also for the purpose of making the machine flexible in terms of treatment intensity of the web, in another optional embodiment said at least one third impact element is mounted so as to be movable with respect to the rest of the machine for adjusting the distance and/or angle of said at least one third impact element with respect to said duct.
- Another problem that is considered in the invention is for modifications to the arrangement of the third impact elements to be as quick as possible and provide maximum flexibility. To that end, said at least one third impact element is optionally mounted so as to rock around a rocking shaft, said shaft being perpendicular to the longitudinal direction of said conveyance duct, and where said third impact element may adopt any angular position from an upper position, in which said third impact element is spaced apart from said duct, and a lower position, in which said third impact element is close to said duct. The variation of the angle of inclination of the third impact element allows transitioning from a pure striking treatment, if the angle is very small with respect to the vertical direction, to an effect of rubbing the surface of the web, when the angle of inclination is large with respect to the vertical direction.
- In another embodiment the objective of which is prevent the web from becoming disarranged when it is placed in the take-up areas of the respective take-up chambers, the third impact element further comprises a deflector panel with said deflector panel being mounted so as to divert the direction of said drive gas coming out of said impact panel in the take-up direction for taking up said textile web.
- It is particularly preferred for the third impact element to be an impact panel that is, for example, metallic, metallic with different shapes on the front or rear surfaces, metallic with mineral elements on the impact surfaces, or metallic with an at least partially rough surface coating, or metallic with abrasive material inlays, which provides sufficient weight for having an optimized fastening, taking advantage of the weight of the impact panel and providing different finish characteristics.
- In an optional embodiment the objective of which is to achieve a panel having a simple and cost-effective manufacture, said impact panel comprises a perimetral chassis and first and second arrangements of bars, which are adjacent to one another and not coplanar and mounted in said chassis to respectively form said front and rear surfaces.
- Thus, the front surface is formed by the first arrangement of bars, which are preferably arranged with their axes being coplanar. In turn, the rear surface is formed by the second arrangement of bars, which are preferably arranged with their axes being coplanar. The axes of the first and second arrangements are not coplanar.
- In one embodiment the objective of which is to provide a different treatment in a simple manner, the bars of said first and second arrangements of bars have one or more cross sections of the group formed by circles, triangles, squares, triangles open at the base, U-shaped with a square base, U-shaped with a circular base, C-shaped, or combinations thereof.
- In another alternative embodiment, said impact panel comprises a perimetral chassis and a first arrangement of bars parallel to one another, mounted in said chassis so as to respectively form said front and rear surfaces and the side of said bars which forms said front surface is made of a different material than the side of the bars which forms said rear surface. Preferably, the bars are bars of a metallic material such as steel, aluminum, or the like, while the other material are abrasive minerals such as pumice-type stones, popularly known as pumice stone, basalt stones, stone and cement aggregates, or the like.
- In a preferred embodiment, said bars are formed by a plurality of hollow metallic tubes and abrasive minerals, said tubes forming a housing extending in the longitudinal direction of the bar, and said abrasive minerals protruding from said hollow metallic tubes.
- Preferably for a more homogeneous distribution of the flow of gas, the machine comprises a plurality of first and second gas inlets.
- In another embodiment, which seeks a maximum reduction in losses due to friction, said at least first and second gas inlets are provided in the upper part and lower part of said duct.
- The invention also relates to a method for the finishing treatment of a textile web in a machine according to the invention comprising the steps of insufflating air into said conveyance duct in an alternating manner from said first or second ends, and making said web impact at least one impact element.
- Likewise, the invention also includes other detail features illustrated in the detailed description of an embodiment of the invention and in the attached figures.
- Further advantages and features of the invention will become apparent from the following description, in which, without any limiting character, preferred embodiments of the invention are disclosed, with reference to the accompanying drawings in which:
-
Figure 1 shows a longitudinally sectioned schematic view of a machine according to the invention. -
Figure 2 shows a longitudinally sectioned detail view of a first embodiment of the conveyance duct. -
Figure 3 shows a longitudinally sectioned detail view of a second embodiment of the conveyance duct. -
Figure 4 shows a detail view of a machine according to the invention with the conveyance duct ofFigure 3 . - A first embodiment of a machine 1 according to the invention for the treatment of a
textile web 100 can be seen inFigures 1 and2 . - In general, the machine 1 is split into first and
second accumulation chambers web 100. In this embodiment, theweb 100 enters thefirst chamber 4 through the upper part of the machine 1 by means of afeed roller 32 and is extracted from thesecond chamber 6 through the upper part of the opposite end by means of anextraction roller 34. - The
feed roller 32 introduces a sufficient amount ofweb 100 into thesecond chamber 6 for it to accumulate in a first lower take-uparea 8 of the machine 1, which consists of abasket 42. The latter is sized so as to receive the entire width of theweb 100, preventing the formation of creases in the web because of the width of thebasket 42. Likewise, theextraction roller 34 does not pull thetextile web 100 until a certain amount ofweb 100 has accumulated in the second take-uparea 10. Precisely these accumulations ofweb 100 leave a sufficient amount ofweb 100 that is not tensioned so as to enable applying the alternating treatment of theweb 100 described below. - On the other hand, the
machine 100 comprises aconveyance duct 12 of length L extending between first and second ends 14, 16. It is important to differentiate between and not confuse the ends of the duct, that is, the final segment of each side of theduct 12, with the outlet point. Theduct 12 communicates the first andsecond chambers duct 12 of themachine 100 according to the invention is wide enough so that, during treatment, theweb 100 is conveyed in itsinner duct 12 widthwise, theweb 100 being fully extended. Furthermore, theduct 12 comprises first andsecond gas inlets - The machine also comprises gas drive means 18, such as, for example, a fan. The fan can be a centrifugal fan, without discarding other equivalent solutions which may incorporate devices, such as a compressor or other similar devices. The driving means 18 are functionally connected with the
duct 12 so that, during treatment, a gas is insufflated into theduct 12 in an alternating manner through the first andsecond gas inlets first gas inlet 22 is oriented such that, during treatment, the gas circulates towards thesecond chamber 6. In turn, thesecond gas inlet 26 is oriented such that, during treatment, the gas circulates towards thefirst chamber 4. - The alternating movement is achieved as a result of the
machine 100 comprising shut-offvalves 46 which move between a shut-off position (seeFigure 2 , left side), preventing air from entering theduct 12, and a passage position (seeFigure 2 , right side), which allows air to enter theduct 12. Therefore, by blocking thesecond gas inlet 24 and leaving thefirst gas inlet 22 open, theweb 100 is moved from thefirst chamber 4 to thesecond chamber 6. Conversely, by blocking thefirst gas inlet 22 and leaving thesecond gas inlet 24 open, theweb 100 is moved in the opposite direction. Therefore, theweb 100 is thereby conveyed in an alternating manner between the first andsecond chambers - The injection of gas to cause the alternating movement inside the
duct 12 does not necessarily require thesecond gas inlet 24 to be completely blocked when thefirst gas inlet 22 is open. Thus, when needed, the opposite gas inlet can be left partially open for a certain gas flow to circulate in the direction opposite the main stream in order to create turbulence. - Preferably, the gas is dry air, but humid air, vapor, or other gases can also be used.
- As has already been explained, tumbling treatment consists of striking the
textile web 100 multiple times to soften its texture. - To that end, the
machine 100 of the first embodiment has at the outlet of theduct 12 twothird impact elements 20 arranged so that, during treatment, theweb 100 impacts respectively eitherimpact element 20 as a result of each of thethird impact elements 2 being arranged facing the outlet of the respective first or second ends 14, 16. - The intensity of the impact largely depends on the speed of the web at the outlet of the
conveyance duct 12. Therefore, to obtain amachine 100 which allows applying more intense finishes, without negatively affecting the manufacturing costs of the machine, or the energy consumption thereof, in the invention thefirst gas inlet 22 is provided inside theduct 12, at thefirst end 14 and in a position adjacent to thefirst chamber 4, and thesecond gas inlet 24 is provided inside theduct 12, at the oppositesecond end 16 of theduct 12 and adjacent to thesecond chamber 6. This allows taking the most advantage of the length L of theduct 12 to impart speed to theweb 100 over this entire length L, such that speed is at its maximum value at the outlet of theconveyance duct 12. - It has been found in the invention that the best results are achieved the
first gas inlet 22 is provided in the first third of the length L of theconveyance duct 12 and preferably in the first fourth of the length L. Likewise, as can be seen inFigure 2 , thesecond gas inlet 24 is provided in a position of theduct 12 that is mirror-symmetrical to saidfirst gas inlet 22. - Also in this embodiment, the
third impact elements 2 are mounted so as to be movable with respect to the rest of the machine 1 for adjusting the distance and/or angle of each of thethird impact elements 2 with respect to theduct 12. - In particular, the
third impact elements 2 are mounted so as to rock around a rockingshaft 40. This rockingshaft 40 is perpendicular to the longitudinal direction of saidconveyance duct 12. Thanks to that, eachthird impact element 2 may adopt any one angular position from: an upper position, in which thethird impact element 2 is spaced apart from theduct 12, and a lower position, in which thethird impact element 2 is close to theduct 12. - Finally, to assure that the web falls into the
baskets 40 in an orderly manner, each of thethird impact elements 2 further comprises adeflector panel 28. This is mounted so as to divert the direction of the drive gas coming out of theimpact panel 20 in the take-up direction for taking up thetextile web 100. - Thus, the machine described hereinabove allows putting into practice a method according to which the web is moved in an alternating manner between the first and
second chambers corresponding impact element 2. - Other embodiments of the machine according to the invention which share many of the features described in the preceding paragraphs are shown below. Therefore, only the different element will be described hereinafter, while for the common elements reference will be made to the description of the first embodiment.
- In the machine 1 according to
Figures 3 and4 , said machine 1 comprises four first and foursecond impact elements conveyance duct 12 and are respectively adjacent to the first andsecond chambers - The
first impact elements 36 are movable between: a passage position of theweb 100, in which, during treatment, thefirst impact elements 36 are arranged such that theweb 100 passes freely through theduct 12 without impacting them, and an impact position of theweb 100, in which, during treatment, thesefirst impact elements 36 are arranged such that theweb 100 passes through theduct 12 impacting thefirst impact elements 36.Figure 3 shows thefirst impact elements 36 in the impact position. - The
second elements 38 also are movable between: a passage position of theweb 100, in which, during treatment, thesesecond impact elements 38 are arranged such that theweb 100 passes freely through theduct 12 without impacting thesecond impact elements 38, while thefirst impact elements 36 are in the impact position, and an impact position of theweb 100, in which, during treatment, thesecond impact elements 38 are arranged such that theweb 100 passes through theduct 12 impacting thesecond impact elements 38, while thefirst impact elements 36 are in said passage position.Figure 3 shows thesecond impact elements 38 in the passage position. - It can also be seen in the figures that each of the first and
second impact elements duct 12, in this case, the upper and lower faces 48, 50 of theduct 12. Furthermore, the first andsecond impact elements upper face 48 of theduct 12 are offset in the longitudinal direction with respect to the first andsecond impact elements lower face 50 of theduct 12. - It should be mentioned that the impact positions of the first and
second impact elements second impact elements - Also in a preferable manner, so as to facilitate changing the forward movement direction of the
web 100 in a quick manner, the first andsecond impact elements - Finally, to make maximum use of the length of the
duct 12 to speed theweb 100 prior to impacting the first orsecond impact elements first impact elements 36 are arranged in the first third of the length L of theconveyance duct 12. In turn, thesecond impact elements 38 are provided in theduct 12 in a position that is mirror-symmetrical to the respectivefirst impact elements 36.
Claims (14)
- A machine (1) for the finishing treatment of a textile web (100) comprising[a] first and second accumulation chambers (4, 6) for accumulating said web (100) with first and second take-up areas (8, 10) for taking up said web (100),[b] a conveyance duct (12) having a length (L) extending between first and second ends (14, 16), said duct (12) communicating said first and second chambers (4, 6) with one another, said duct (12) being configured so that, during treatment, said web (100) is conveyed inside said duct (12) widthwise,[c] said duct (12) comprising at least first and second gas inlets (22, 24), and said machine further comprising[c] gas drive means (18) functionally connected with said duct (12) so that, during treatment, a gas is insufflated inside said duct (12) in an alternating manner through said first and second gas inlets (22, 24), and with said first gas inlet (22) being oriented such that, during treatment, said gas circulates towards said second chamber (6), and with said second gas inlet (26) being oriented such that, during treatment, said gas circulates towards said first chamber (4), and[d] at least one impact element (2, 36, 38) arranged so that, during treatment, said web (100) impacts said at least one impact element (2, 36, 38),
characterized in that[e] said first gas inlet (22) is provided inside said duct (12), at said first end (14) and in a position adjacent to said first chamber (4), and said second gas inlet (24) is provided inside said duct (12), at said opposite second end (16) of said duct and adjacent to said second chamber (6). - The machine (1) according to claim 1, characterized in that said first gas inlet (22) is provided in the first third of the length (L) of said conveyance duct (12) and preferably in the first fourth of the length (L), and said second gas inlet (24) is provided in a position of said duct (12) that is mirror-symmetrical to said first gas inlet (22).
- The machine (1) according to claim 1 or 2, characterized in that said at least one impact element comprises at least one first impact element (36) which is arranged inside said conveyance duct (12), said first impact element (36) being movable between:[ai] a passage position of said web (100), in which, during treatment, said first impact element (36) is arranged such that said web (100) passes freely through said duct (12) without impacting said first impact element (36), and[aii] an impact position of said web (100), in which, during treatment, said first impact element (36) is arranged such that said web (100) passes through said duct (12) impacting said first impact element (36).
- The machine (1) according to claim 3, characterized in that said at least one impact element further comprises at least one second impact element (38) which is arranged inside said conveyance duct (12), said impact element (38) being movable between:[ai] a passage position of said web (100), in which, during treatment, said second impact element (38) is arranged such that said web (100) passes freely through said duct (12) without impacting said second impact element (38), while said first impact element (36) is in the impact position, and[aii] an impact position of said web (100), in which, during treatment, said second impact element (38) is arranged such that said web (100) passes through said duct (12) impacting said second impact element (38), while said first impact element (36) is in said passage position.
- The machine (1) according to claim 3 or 4, characterized in that it comprises at least two first and two second impact elements (36, 38), being each of said first impact elements (36) arranged respectively on opposite faces of said duct (12) and each of said second impact elements (38) arranged respectively on opposite faces of said duct (12).
- The machine (1) according to claim 5, characterized in that said first and second impact elements (36, 38) of one face of said duct (12) are offset in the longitudinal direction with respect to said first and second impact elements (36, 38) of the opposite face of said duct (12).
- The machine (1) according to any one of claims 4 to 6, characterized in that said at least one first impact element (36) is arranged in the first third of the length (L) of said conveyance duct (12), and said at least one second impact element (38) is provided in said duct (12) in a position that is mirror-symmetrical to said first impact element (36).
- The machine (1) according to any one of claims 1 to 7, characterized in that said at least one impact element comprises at least one third impact element (2) arranged facing the outlet of one of said first and second ends (14, 16) so that, during treatment, said web (100) impacts said at least one third impact element (2).
- The machine (1) according to claim 8, characterized in that said at least one third impact element (2) is mounted so as to be movable with respect to the rest of the machine (1) for adjusting the distance and/or angle of said at least one third impact element (2) with respect to said duct (12).
- The machine (1) according to claim 9, characterized in that said at least one third impact element (2) is mounted so as to rock around a rocking shaft (40), said shaft being perpendicular to the longitudinal direction of said conveyance duct (12), and where said third impact element (2) may adopt any one angular position from among:[a] an upper position, in which said third impact element (2) is spaced apart from said duct (12), and[b] a lower position, in which said third impact element (2) is close to said duct (12).
- The machine (1) according to any one of claims 1 to 10, characterized in that said at least one third impact element (2) further comprises a deflector panel (28), said deflector panel (28) being mounted so as to divert the direction of said drive gas coming out of said impact panel (20) in the take-up direction for taking up said textile web (100).
- The machine (1) according to any one of claims 1 to 11, characterized in that it comprises a plurality of first and second gas inlets (22, 24).
- The machine (1) according to any one of claims 1 to 12, characterized in that said at least first and second gas inlets (22, 24) are provided in the upper part and lower part of said duct (12).
- Method for the finishing treatment of a textile web (100) in a machine comprising:[a] first and second accumulation chambers (4, 6) for accumulating said web (100) with first and second take-up areas (8, 10) for taking up said web (100),[b] a conveyance duct (12) of length (L) extending between first and second ends (14, 16), said duct (12) communicating said first and second chambers (4, 6) with one another, said duct (12) being configured so that, during treatment, said web (100) is conveyed inside said duct (12) widthwise, characterized in that it comprises the steps of[c] insufflating air into said conveyance duct (12) in an alternating manner from said first or second ends (14, 16), and[d] making said web (100) impact at least one impact element (2, 36, 38).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19383141.9A EP3839122B1 (en) | 2019-12-19 | 2019-12-19 | Machine for the finishing treatment of a textile web and corresponding method |
PCT/EP2020/087339 WO2021123392A1 (en) | 2019-12-19 | 2020-12-18 | Machine for the finishing treatment of a textile web and corresponding method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP19383141.9A EP3839122B1 (en) | 2019-12-19 | 2019-12-19 | Machine for the finishing treatment of a textile web and corresponding method |
Publications (2)
Publication Number | Publication Date |
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EP3839122A1 true EP3839122A1 (en) | 2021-06-23 |
EP3839122B1 EP3839122B1 (en) | 2024-07-10 |
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EP19383141.9A Active EP3839122B1 (en) | 2019-12-19 | 2019-12-19 | Machine for the finishing treatment of a textile web and corresponding method |
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EP (1) | EP3839122B1 (en) |
WO (1) | WO2021123392A1 (en) |
Citations (8)
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JPH05279952A (en) * | 1992-03-30 | 1993-10-26 | Oshima Kikai Kk | Hot air treating device for rope-like fiber material |
EP1054093A2 (en) * | 1999-05-20 | 2000-11-22 | Jaume Anglada Vinas S.A. | An apparatus for treating fabrics |
EP1781854A1 (en) * | 2004-08-25 | 2007-05-09 | Coramtex S.r.l. | Machine and method for treating both an open width fabric and a fabric in rope form |
EP2034077A1 (en) * | 2007-09-10 | 2009-03-11 | Jaume Anglada Viñas S.A. | Machine for processing textile webs and corresponding processing method |
US20150218665A1 (en) * | 2012-09-21 | 2015-08-06 | Karl Rohr | Softening process and system for roll goods |
CN106149266A (en) * | 2015-04-10 | 2016-11-23 | 江阴月发印染机械有限公司 | A kind of open-width airflow soft preshrinking machine |
ES2593839A1 (en) | 2016-07-22 | 2016-12-13 | JAUME ANGLADA VIñAS S.A. | Shock device for a machine for treatment of a textile band and corresponding machine (Machine-translation by Google Translate, not legally binding) |
CN209353105U (en) * | 2018-10-31 | 2019-09-06 | 诺唯格机械制造(江苏)有限公司 | A kind of spray wind reversing arrangement of open width softening finishing machine |
-
2019
- 2019-12-19 EP EP19383141.9A patent/EP3839122B1/en active Active
-
2020
- 2020-12-18 WO PCT/EP2020/087339 patent/WO2021123392A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05279952A (en) * | 1992-03-30 | 1993-10-26 | Oshima Kikai Kk | Hot air treating device for rope-like fiber material |
EP1054093A2 (en) * | 1999-05-20 | 2000-11-22 | Jaume Anglada Vinas S.A. | An apparatus for treating fabrics |
EP1781854A1 (en) * | 2004-08-25 | 2007-05-09 | Coramtex S.r.l. | Machine and method for treating both an open width fabric and a fabric in rope form |
EP2034077A1 (en) * | 2007-09-10 | 2009-03-11 | Jaume Anglada Viñas S.A. | Machine for processing textile webs and corresponding processing method |
US20150218665A1 (en) * | 2012-09-21 | 2015-08-06 | Karl Rohr | Softening process and system for roll goods |
CN106149266A (en) * | 2015-04-10 | 2016-11-23 | 江阴月发印染机械有限公司 | A kind of open-width airflow soft preshrinking machine |
ES2593839A1 (en) | 2016-07-22 | 2016-12-13 | JAUME ANGLADA VIñAS S.A. | Shock device for a machine for treatment of a textile band and corresponding machine (Machine-translation by Google Translate, not legally binding) |
CN209353105U (en) * | 2018-10-31 | 2019-09-06 | 诺唯格机械制造(江苏)有限公司 | A kind of spray wind reversing arrangement of open width softening finishing machine |
Also Published As
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EP3839122B1 (en) | 2024-07-10 |
WO2021123392A1 (en) | 2021-06-24 |
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