EP2319966B1 - Device for the preparation of flock fibres to be supplied to a carder - Google Patents
Device for the preparation of flock fibres to be supplied to a carder Download PDFInfo
- Publication number
- EP2319966B1 EP2319966B1 EP11152607.5A EP11152607A EP2319966B1 EP 2319966 B1 EP2319966 B1 EP 2319966B1 EP 11152607 A EP11152607 A EP 11152607A EP 2319966 B1 EP2319966 B1 EP 2319966B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- opening
- fibre
- line
- roller
- machine
- 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.)
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Links
- 244000144992 flock Species 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title description 2
- 239000000835 fiber Substances 0.000 claims abstract description 64
- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000005304 joining Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000009960 carding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241001481760 Erethizon dorsatum Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
- D01G9/06—Opening or cleaning fibres, e.g. scutching cotton by means of toothed members
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
- D01G9/12—Combinations of opening or cleaning machines
Definitions
- the following invention relates to a device for the preparation of flock fibres to be supplied to a carder, i.e. a batt-forming machine.
- batt-forming line refers to a set of machines for the treatment of fibres, disposed up-line from the carding machine, which treat the fibre accumulated in bales to supply it, in flock and opportune conditions, to the carding machine.
- Batt-forming lines are currently known primarily comprising a machine with a pick-up trolley, for picking up fibre from the bales, a porcupine, for opening and cleaning the fibres, a mixer, for mixing the fibre, and auxiliary devices for moving the fibre and feeding the carding machine. Examples of known machine are disclosed in documents EP 1 262 580 A and US 3 829 934 .
- the abovementioned machines are disposed according to a preset sequence that assures the obtaining of optimum conditions of the flock fibre supplied to the carding machine.
- the transfer of the fibre from one machine to the next takes places in feeding pipes, generally, in air pressurised or depressurised currents generated by fans.
- the opening action performed by the openers is partially frustrated by a partial compacting that the fibre undergoes as it accumulates in the mixer and opener silos. It is known that this negatively influences the efficacy of both fibre mixing and cleaning.
- the aim of the present invention is to make a batt-forming machine able to satisfy the aforesaid requirements and overcome the drawbacks mention relating to the current art.
- batt-forming line indicates a set of machines disposed up-line from a carding machine to supply it with flock fibres having opportune conditions for carding.
- the batt-forming line comprises a plurality of batt-forming machines 10, at least one inlet pipe 12 for supplying the fibre to be processed to the machine 10 batt-forming machine 10' or to a subsequent machine for other processing,
- the batt-forming machine 1 comprises at least two silos 16 for accumulating the fibre to be processed, operatively connected to the inlet pipe 12.
- the silo 16 has a chamber 18 for accumulating the fibre, open for example on the bottom, to allow the fibres access to a processing area, positioned between the silo 16 and the outlet pipe 14.
- the silo 16 is formed of a ring-shaped wall that develops around silo axis S vertical with respect to ground level T on which the machine 10 rests, whereas the input pipe 12 develops primarily along the substantially horizontal axis of pipe C.
- the fibres by falling and/or under the action of the airflow, pass from the silo 16 to the processing area.
- the processing area comprises at least one pair of feeding wheels 20, 22, that rotate respectively around a first axis of rotation Z.
- the rotation of feeding wheels 20, 22 is such as to convey the fibres that descend from the silo 16 down-line from said wheels, for example, counter-rotating.
- the first feeding wheel 20, shown in figure 3 has a clockwise direction of rotation
- the second feeding wheel 22 has an anticlockwise direction of rotation.
- the feeding wheel 20, 22 comprises a plurality of profiles 24 that extend primarily along the first axis of rotation Z and comprise a bottom 26 and folded stretches 28, slanting with respect to the bottom 26.
- the wheel 20, 22 is made by bringing together the bottoms 26 of the profiles 24 along an imaginary circumference, so that each bottom is tangent thereto, and 26.
- the wheel 20, 22 is made by bringing together the bottoms 26 of the profiles 24 along an imaginary circumference, so that each bottom is tangent thereto, and making them mutually joined by uniting the folded stretches 28 thereof.
- the two feeding wheels 20, 22, according to the variant represented, are positioned angularly and relatively to one another so that the imaginary radial extension of the cross member 32 of one of the two wheels 20 crosses the corresponding recess 30 of the other wheel 22.
- the fibre fed by the silo 16 gathers in the recesses 30 of the feeding wheels 20, 22 and is taken down-line thereof undergoing a first channelling, due to the passage restraints made by the relative disposition of the wheels 20, 22.
- the batt-forming machine 10 comprises an opening wheel 40, disposed down-line of the feeding wheels 20, 22, turning around a second axis of rotation W, substantially parallel to the first axes of rotation Z.
- the second axis of rotation W is disposed between the first axes Z, so that the opening wheel 40 intercepts the fibre driven by the feeding wheels 20,22.
- the opening wheel 40 comprises:
- the protruding element 44 comprises a head 46, preferably disposed at the tip of the elongated element, protruding from the body thereof and disposed on the side of the direction of rotation of the opening wheel 40.
- the fibre Whilst the fibre is fed by the feeding wheels 20, 22 down-line thereof, it encounters the protruding elements 44 of the opening wheel 40 that tears it into flock and subjects it to a kind of beating to facilitate the elimination of the polluting residues present in the fibre.
- the batt-forming machine comprises a cleaning grid 50, disposed in a position suited to intercepting the fibred processed by the opening wheel 40.
- the opening wheel 40 turns in an anti-clockwise direction and the grid 50 extends, at least partially, to the left of the opening wheel 40, to intercept the fibre processed by the same.
- the grid 50 presents a processing wall provided with at least one evacuation opening 52 and distanced from the opening wheel 40 so as to make a gap 54, whose passage section preferentially tends to widen towards the direction of rotation of the opening wheel.
- the evacuation openings 52 present an adjustable extension, according to the type of fibre being processed and in particular according to the desired degree of cleaning.
- the grid wall 60 facing the opening wheel 40 intercepts the fibre drawn without accumulation by the opening wheel 40 in the gap 54.
- the fibre therefore undergoes further beating and the residues, above all husks, separate from the fibre, falling therein, from where they are evacuated by means of aspiration.
- the batt-forming machine comprises a chute 70, having a prevalent extension along a direction parallel to the axes of rotation Z, W.
- the chute 70 presents an upper surface 72, forming a gap with the opening wheel 40, such as to extend the gap 54 formed by the grid with the opening wheel 40.
- the upper surface 72 extends in the same direction of rotation of the opening wheel, so that the fibre processed by the grid is driven down-line of the opening wheel.
- the upper surface 72 presents an extension beyond the second axis W, in the fibre movement direction to the outlet from the grid 50.
- the batt-forming machine 10 comprises a driving roller 80, disposed down-line of the opening wheel 40 with respect to the fibre flow, and in particular disposed at the end of the chute 70, so that the fibre processed by the grid 50 falls on the driving roller 80.
- the machine comprises a transit pipe 73, between the opening wheel 40 and the driving roller 80, delimited by containment walls.
- the transit pipe 73 is defined by an area immediately down-line from the feeding wheels 20, 22, as far as an area immediately up-line of the driving roller 80, and extends completely between an upper height, defined by said area immediately down-line of the feeding wheels, and a lower height, defined by said area immediately up-line of the driving roller 80.
- the pipe 73 does not present a "serpentine" course with subsequent stretches that occupy heights even greater than that of the area immediately down-line of the feeding wheels, to reach the devices for further processing in a position distant from the opening wheel.
- the rotation speed of the driving roller 80 is such to avoid the accumulation of fibre in the area immediately up-line thereof, i.e. on the bottom of the pipe 73.
- the containment walls of the transit pipe 73 comprise a strike wall 73a facing the opening wheel 40 and/or the chute 70, distant therefrom to allow the fibre coming out of the chute, driven by the protruding elements 44, to beat against it, and then fall on the driving roller 80.
- the driving roller 80 turns around a third axis of rotation Y, parallel or otherwise to the other rotation axes W, Z.
- the driving roller 80 is superficially covered, for example by a stiff saw-tooth covering to engage the fibre and draw it down-line.
- the batt-forming machine comprises an opening roller 90, disposed down-line of the driving roller 80, turning around a fourth axis of rotation K, parallel to the axes W and Z.
- the driving roller 80 and the opening roller 90 are preferably rotating in the same direction. According to certain embodiments, these are counter-rotating.
- the cover of the opening roller 90 is fitted with a stiff covering, for example, with saw-teeth 91.
- the cover of the opening roller 90 comprises a plurality of spikes 92, protruding from the external surface, able to penetrate into the wads of fibre and tear open the flocks thereof ( figure 4 , for illustration cleaning processes.
- the processing area of the batt-forming machine 10 comprises an outlet opening 100, disposed down-line of the opening roller 90, from which the open fibre is aspired, in communication with the outlet pipe 14 of the machine 10.
- a work portion can be identified, between the area close to the driving roller 80, i.e. where the fibres pass from the driving 80 to opening 90 rollers, and the outlet opening 100.
- the batt-forming machine 10 comprises at least one channelling flange 110, suited to pushing the fibre transported by the opening roller 90 towards the teeth 91, to improve the opening efficiency thereof.
- Said channelling flange 110 is disposed around the opening roller 90, for example creating a fibre passage section radially decreasing in the direction of roller rotation, sufficiently close to the surface thereof to create a gap into which the fibre is channelled.
- the flange 110 cooperates also with the driving roller 80, to prevent the cleaning roller 90 from tearing flocks that are too large.
- the batt-forming machine 10 comprises at least one composite unit 121 comprising auxiliary devices such as an aspiration opening, a blade, a baffle, variably combined between them in relation to number and type, according to the processing requirements of the fibre or fibres being processed.
- auxiliary devices such as an aspiration opening, a blade, a baffle, variably combined between them in relation to number and type, according to the processing requirements of the fibre or fibres being processed.
- Said composite unit 121 is arranged along the work portion of the surface of the opening roller 90.
- the composite unit 121 is contained in a box 121 a that can be detached or tilted from the machine cover.
- the box 121a can be tilted towards the exterior of the machine, performing a rotation that moves the cleaning roller 90 away, so as to make said roller accessible to maintenance technicians.
- the box 121 a is hinged along a box axis C, disposed at a lower height than the rotation axis K of the cleaning roller 90.
- the box axis C is disposed at a lower height of any generator of the cleaning roller 90.
- such configurations allow easy access to the cleaning roller and the composite units for maintenance thereof.
- the batt-forming machine 10 comprises at least two silos 16 facing the direction of the axis of pipe 12 and in the direction of fibre movement in said pipe 12.
- Each silo 16 feeds a respective processing area, whereas the outlet openings 100 of said processing areas convey the processed fibre into the same joining pipe 120, connected to the outlet pipe 14 of the machine 10.
- two batt-forming machines 10 are fed by the same inlet pipe 12 and the two outlet pipes 14 convey the fibre to the same fan 130, from which a further inlet pipe 12, leads to feed two further machines 10'.
- the batt-forming machine 10 is devoid of the grid 50 ( figures 6 and 7 ).
- the machine 10 comprises, in the processing area of the opening roller 90, a single composite unit 121 ( figure 5 ), comprising a single aspiration opening and a single blade.
- the machine 10 is devoid, in the processing area of the opening roller 90, of composite units 121 ( figure 6 ).
- the batt-forming machine 10 comprises a plurality of silos 16, each one independently fed by its own inlet pipe 12, 12', separated from the other ( figure 7 ). Said variant makes it possible to feed the batt-forming machine with different types of fibre.
- the processing area fed by a silo is equipped differently to the processing area fed by another silo ( figure 7 ) and each silo is coupled with a respective fan.
- the processing area of the first silo 16 includes a grid 50 and two composite units 121 in the work stretch of the opening roller 90, whereas the processing area of the second silo 16' does not include the grid 50 and does not include any composite unit 121 in the work stretch of the opening roller 90'.
- Said variants with diversified equipment are particularly advantageous if one intends to obtain a mixture of natural (dirtier) fibres and synthetic (substantially clean) fibres of between natural fibres of different types or of synthetic fibres of different types.
- the turning speed of the driving roller 80 is adjusted according to requirements, for example being different for each channel.
- the batt-forming machine according to the present invention overcomes the drawbacks mentioned with regard to the state of the art and in particular with reference to the coupling between a mixer and a porcupine in a conventional batt-forming line.
- the fibre, clean and in any case partially opened by the cleaning roller passes, without undergoing undesired compacting, to the transport roller - opening roller pair, which can process the fibre in more favourable conditions.
- the adjustable grid makes it possible to perform more or less aggressive processing on the fibre, freeing it of the undesired residues and impurities according to the type of fibre.
- the batt-forming line allows very extreme mixing, even when large volumes of fibre are being processed.
- a stretch of a batt-forming line envisages a pipe feeding two machines of the kind described above, for a total of four silos.
- each processing unit actually processes 300 Kg of fibre/hour, for the embodiments disclosed hereabove, which is then mixed together.
- the box with the composite units can be replaced, making it possible to build machines suited to different fibres or mixtures of fibres, according to requirements, in a modular manner.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
- The following invention relates to a device for the preparation of flock fibres to be supplied to a carder, i.e. a batt-forming machine.
- The term batt-forming line refers to a set of machines for the treatment of fibres, disposed up-line from the carding machine, which treat the fibre accumulated in bales to supply it, in flock and opportune conditions, to the carding machine.
- Batt-forming lines are currently known primarily comprising a machine with a pick-up trolley, for picking up fibre from the bales, a porcupine, for opening and cleaning the fibres, a mixer, for mixing the fibre, and auxiliary devices for moving the fibre and feeding the carding machine. Examples of known machine are disclosed in
documents EP 1 262 580 A andUS 3 829 934 . - The abovementioned machines are disposed according to a preset sequence that assures the obtaining of optimum conditions of the flock fibre supplied to the carding machine.
- The transfer of the fibre from one machine to the next takes places in feeding pipes, generally, in air pressurised or depressurised currents generated by fans.
- Such characteristic of known batt-forming lines however, currently presents a number of drawbacks.
- Such drawbacks include the fact that although transport takes place in air currents, the processing performed by certain machines is in part frustrated.
- For instance, the opening action performed by the openers is partially frustrated by a partial compacting that the fibre undergoes as it accumulates in the mixer and opener silos. It is known that this negatively influences the efficacy of both fibre mixing and cleaning.
- The aim of the present invention is to make a batt-forming machine able to satisfy the aforesaid requirements and overcome the drawbacks mention relating to the current art.
- This aim is achieved by a batt-forming machine made in accordance with
claim 1 below. The claims dependent hereof describe variants of the present invention. - Further characteristics and advantages of the batt-forming machine according to the present invention will be further evident in view of the detailed description of a preferred, though non-limiting example with the aid of the appended drawings, wherein:
- -
figure 1 illustrates a batt-forming line comprising a batt-forming machine according to the present invention, in a preferred embodiment; - -
figure 2 illustrates the batt-forming machine offigure 1 ; - -
figure 3 represents an enlargement of detail III offigure 2 ; - -
figure 3a illustrates a side view of a batt-forming machine opening wheel; - -
figure 4 represents an enlargement of detail IV offigure 2 ; - -
figures 5 to 7 illustrate further variants of the batt-forming machine according to the present invention. - With reference to the appended drawings, 1 is used to indicate the whole stretch of a batt-forming line of a fibre treatment system; the term "batt-forming line" indicates a set of machines disposed up-line from a carding machine to supply it with flock fibres having opportune conditions for carding.
- The batt-forming line comprises a plurality of batt-forming
machines 10, at least oneinlet pipe 12 for supplying the fibre to be processed to themachine 10 batt-forming machine 10' or to a subsequent machine for other processing, - The batt-forming
machine 1 comprises at least twosilos 16 for accumulating the fibre to be processed, operatively connected to theinlet pipe 12. - Preferably, the
silo 16 has achamber 18 for accumulating the fibre, open for example on the bottom, to allow the fibres access to a processing area, positioned between thesilo 16 and theoutlet pipe 14. - For instance, the
silo 16 is formed of a ring-shaped wall that develops around silo axis S vertical with respect to ground level T on which themachine 10 rests, whereas theinput pipe 12 develops primarily along the substantially horizontal axis of pipe C. - In this embodiment, the fibres, by falling and/or under the action of the airflow, pass from the
silo 16 to the processing area. - The processing area comprises at least one pair of
feeding wheels - The rotation of
feeding wheels silo 16 down-line from said wheels, for example, counter-rotating. - For example, the
first feeding wheel 20, shown infigure 3 , has a clockwise direction of rotation, whereas thesecond feeding wheel 22 has an anticlockwise direction of rotation. - According to a preferred embodiment, the
feeding wheel profiles 24 that extend primarily along the first axis of rotation Z and comprise abottom 26 and foldedstretches 28, slanting with respect to thebottom 26. - The
wheel bottoms 26 of theprofiles 24 along an imaginary circumference, so that each bottom is tangent thereto, and 26. - The
wheel bottoms 26 of theprofiles 24 along an imaginary circumference, so that each bottom is tangent thereto, and making them mutually joined by uniting thefolded stretches 28 thereof. This makes a structure formed of a succession ofrecesses 30 separated bycross members 32 formed by two foldedstretches 28 joined to one another. - The two
feeding wheels cross member 32 of one of the twowheels 20 crosses thecorresponding recess 30 of theother wheel 22. - Advantageously, the fibre fed by the
silo 16 gathers in therecesses 30 of thefeeding wheels wheels - Additionally, the batt-forming
machine 10 comprises anopening wheel 40, disposed down-line of thefeeding wheels - Preferably, the second axis of rotation W is disposed between the first axes Z, so that the
opening wheel 40 intercepts the fibre driven by thefeeding wheels - According to a preferred embodiment, the
opening wheel 40 comprises: - a
support box 42, having a prevalent extension in an axial direction, for example, with a transverse section (orthogonal to axis of rotation W) polygonal, for example hexagonal, and - protruding
elements 44, protruding radially from thesupport box 42, disposed staggered to one another, axially and circumferentially, on the sides of the box 42 (figure 3a ). - Preferably, furthermore, the
protruding element 44 comprises ahead 46, preferably disposed at the tip of the elongated element, protruding from the body thereof and disposed on the side of the direction of rotation of theopening wheel 40. - Whilst the fibre is fed by the
feeding wheels protruding elements 44 of theopening wheel 40 that tears it into flock and subjects it to a kind of beating to facilitate the elimination of the polluting residues present in the fibre. - According to a preferred embodiment, the batt-forming machine comprises a
cleaning grid 50, disposed in a position suited to intercepting the fibred processed by theopening wheel 40. - For example, in the embodiment shown, for the right-hand unit, the
opening wheel 40 turns in an anti-clockwise direction and thegrid 50 extends, at least partially, to the left of theopening wheel 40, to intercept the fibre processed by the same. - The
grid 50 presents a processing wall provided with at least one evacuation opening 52 and distanced from theopening wheel 40 so as to make agap 54, whose passage section preferentially tends to widen towards the direction of rotation of the opening wheel. - Preferably, the
evacuation openings 52 present an adjustable extension, according to the type of fibre being processed and in particular according to the desired degree of cleaning. - During processing, the grid wall 60 facing the
opening wheel 40 intercepts the fibre drawn without accumulation by theopening wheel 40 in thegap 54. The fibre therefore undergoes further beating and the residues, above all husks, separate from the fibre, falling therein, from where they are evacuated by means of aspiration. - According to a further embodiment, the batt-forming machine comprises a
chute 70, having a prevalent extension along a direction parallel to the axes of rotation Z, W. - The
chute 70 presents anupper surface 72, forming a gap with theopening wheel 40, such as to extend thegap 54 formed by the grid with theopening wheel 40. - In particular, the
upper surface 72 extends in the same direction of rotation of the opening wheel, so that the fibre processed by the grid is driven down-line of the opening wheel. - In particular, the
upper surface 72 presents an extension beyond the second axis W, in the fibre movement direction to the outlet from thegrid 50. - Additionally, the batt-forming
machine 10 comprises adriving roller 80, disposed down-line of theopening wheel 40 with respect to the fibre flow, and in particular disposed at the end of thechute 70, so that the fibre processed by thegrid 50 falls on thedriving roller 80. - In particular, the machine comprises a
transit pipe 73, between theopening wheel 40 and thedriving roller 80, delimited by containment walls. - The
transit pipe 73 is defined by an area immediately down-line from thefeeding wheels driving roller 80, and extends completely between an upper height, defined by said area immediately down-line of the feeding wheels, and a lower height, defined by said area immediately up-line of thedriving roller 80. - Preferably, the
pipe 73 does not present a "serpentine" course with subsequent stretches that occupy heights even greater than that of the area immediately down-line of the feeding wheels, to reach the devices for further processing in a position distant from the opening wheel. - The rotation speed of the
driving roller 80 is such to avoid the accumulation of fibre in the area immediately up-line thereof, i.e. on the bottom of thepipe 73. - The containment walls of the
transit pipe 73 comprise astrike wall 73a facing theopening wheel 40 and/or thechute 70, distant therefrom to allow the fibre coming out of the chute, driven by theprotruding elements 44, to beat against it, and then fall on thedriving roller 80. - The
driving roller 80 turns around a third axis of rotation Y, parallel or otherwise to the other rotation axes W, Z. - The
driving roller 80 is superficially covered, for example by a stiff saw-tooth covering to engage the fibre and draw it down-line. - Additionally, the batt-forming machine comprises an
opening roller 90, disposed down-line of thedriving roller 80, turning around a fourth axis of rotation K, parallel to the axes W and Z. - The
driving roller 80 and theopening roller 90 are preferably rotating in the same direction. According to certain embodiments, these are counter-rotating. - Preferably, the cover of the
opening roller 90 is fitted with a stiff covering, for example, with saw-teeth 91. - According to one variant, the cover of the
opening roller 90 comprises a plurality ofspikes 92, protruding from the external surface, able to penetrate into the wads of fibre and tear open the flocks thereof (figure 4 , for illustration cleaning processes. - Additionally, the processing area of the batt-forming
machine 10 comprises anoutlet opening 100, disposed down-line of the openingroller 90, from which the open fibre is aspired, in communication with theoutlet pipe 14 of themachine 10. - On the external surface of the opening
roller 90, a work portion can be identified, between the area close to the drivingroller 80, i.e. where the fibres pass from the driving 80 to opening 90 rollers, and theoutlet opening 100. - Preferably, the batt-forming
machine 10 comprises at least onechannelling flange 110, suited to pushing the fibre transported by the openingroller 90 towards theteeth 91, to improve the opening efficiency thereof. - Said channelling
flange 110 is disposed around the openingroller 90, for example creating a fibre passage section radially decreasing in the direction of roller rotation, sufficiently close to the surface thereof to create a gap into which the fibre is channelled. - Preferably, the
flange 110 cooperates also with the drivingroller 80, to prevent thecleaning roller 90 from tearing flocks that are too large. - Preferably, additionally, the batt-forming
machine 10 comprises at least onecomposite unit 121 comprising auxiliary devices such as an aspiration opening, a blade, a baffle, variably combined between them in relation to number and type, according to the processing requirements of the fibre or fibres being processed. - Said
composite unit 121 is arranged along the work portion of the surface of the openingroller 90. - In a preferred embodiment, the
composite unit 121 is contained in abox 121 a that can be detached or tilted from the machine cover. - For example, according to a preferred embodiment, the
box 121a can be tilted towards the exterior of the machine, performing a rotation that moves the cleaningroller 90 away, so as to make said roller accessible to maintenance technicians. - In particular, the
box 121 a is hinged along a box axis C, disposed at a lower height than the rotation axis K of the cleaningroller 90. In accordance with a further variant, the box axis C is disposed at a lower height of any generator of the cleaningroller 90. - Advantageously, such configurations allow easy access to the cleaning roller and the composite units for maintenance thereof.
- According to a preferred embodiment, the batt-forming
machine 10 comprises at least twosilos 16 facing the direction of the axis ofpipe 12 and in the direction of fibre movement in saidpipe 12. - Each
silo 16 feeds a respective processing area, whereas theoutlet openings 100 of said processing areas convey the processed fibre into the same joiningpipe 120, connected to theoutlet pipe 14 of themachine 10. - In a preferred embodiment of a batt-forming line, two batt-forming
machines 10 are fed by thesame inlet pipe 12 and the twooutlet pipes 14 convey the fibre to thesame fan 130, from which afurther inlet pipe 12, leads to feed two further machines 10'. - According to one aspect, the batt-forming
machine 10 is devoid of the grid 50 (figures 6 and7 ). - According to a further aspect, the
machine 10 comprises, in the processing area of the openingroller 90, a single composite unit 121 (figure 5 ), comprising a single aspiration opening and a single blade. - According to a further aspect, the
machine 10 is devoid, in the processing area of the openingroller 90, of composite units 121 (figure 6 ). - It should also be noted that these variants, in any case, present a
box 121 a that can be tilted for maintenance. - In a still further variant, the batt-forming
machine 10 comprises a plurality ofsilos 16, each one independently fed by itsown inlet pipe 12, 12', separated from the other (figure 7 ). Said variant makes it possible to feed the batt-forming machine with different types of fibre. - According to a still further variant, the processing area fed by a silo is equipped differently to the processing area fed by another silo (
figure 7 ) and each silo is coupled with a respective fan. - For example, the processing area of the
first silo 16 includes agrid 50 and twocomposite units 121 in the work stretch of the openingroller 90, whereas the processing area of the second silo 16' does not include thegrid 50 and does not include anycomposite unit 121 in the work stretch of the opening roller 90'. - Said variants with diversified equipment are particularly advantageous if one intends to obtain a mixture of natural (dirtier) fibres and synthetic (substantially clean) fibres of between natural fibres of different types or of synthetic fibres of different types.
- In such cases, the turning speed of the driving
roller 80 is adjusted according to requirements, for example being different for each channel. - The batt-forming machine according to the present invention overcomes the drawbacks mentioned with regard to the state of the art and in particular with reference to the coupling between a mixer and a porcupine in a conventional batt-forming line.
- In actual fact, the fibre, clean and in any case partially opened by the cleaning roller passes, without undergoing undesired compacting, to the transport roller - opening roller pair, which can process the fibre in more favourable conditions.
- In conventional lines, conversely, the passage into long and twisted joining pipes between different machines creates partial re-compacting of the fibre, in part frustrating the processing performed previously.
- Furthermore, advantageously the adjustable grid makes it possible to perform more or less aggressive processing on the fibre, freeing it of the undesired residues and impurities according to the type of fibre.
- According to a still further advantageous aspect, the batt-forming line allows very extreme mixing, even when large volumes of fibre are being processed.
- For example, a stretch of a batt-forming line envisages a pipe feeding two machines of the kind described above, for a total of four silos.
- For large-scale production, for example at 1,200 Kg/hour (one thousand and two hundred), each processing unit actually processes 300 Kg of fibre/hour, for the embodiments disclosed hereabove, which is then mixed together.
- The possibility of processing large quantities of fibre for each unit enormously favours the efficiency of processing, by obtaining smaller flocks, which facilitate mixing, they present less stressed, cleaner fibres.
- Furthermore, advantageously, access to the internal organs of the machine is facilitated, in order to perform maintenance activities in a quick and simple manner.
- According to a still further advantageous aspect, the box with the composite units can be replaced, making it possible to build machines suited to different fibres or mixtures of fibres, according to requirements, in a modular manner.
- Obviously a man skilled in the art could make modifications to the machine described above. Such variants are also within the scope of the protection of this invention as defined by the following claims.
Claims (13)
- Batt-forming machine (10) of a batt-forming line (1) of a system for flock fibre treatment, comprising:- at least one inlet pipe (12) for supplying the fibre to be processed;- at least one outlet pipe (14) for the supplying of the processed fibre to a subsequent batt-forming machine (10') or to a subsequent machine for other processing;- at least two silos (16), operatively connected to the inlet pipe (12) for accumulating the fibre to be processed;- a processing area, down-line from each silo, comprising:a) at least one pair of feeding wheels (20, 22), that rotate respectively around a first axis of rotation (Z), such as to convey the fibres that descend from the silo (16) down-line from said wheels, for example, counter-rotating;b) an opening wheel (40), disposed down-line of the feeding wheels (20, 22), turning around a second axis of rotation (W), disposed between and substantially parallel to the first axes of rotation (Z), so that the opening wheel (40) intercepts the fibre driven by the feeding wheels (20, 22);c) a driving roller (80), disposed down-line of the opening wheel (40) with respect to the fibre flow, turning around a third axis of rotation (Y), superficially covered to engage the fibre and draw it down-line;d) an opening roller (90), disposed down-line of the driving roller (80), turning around a fourth axis of rotation (K), parallel to the second and first axes (W and Z);e) an outlet opening (100), disposed down-line of the opening roller (90), from which the open fibre is aspired, in communication with the outlet pipe (14) of the machine (10);said machine (10) being characterized in that
each silo (16) feeds a respective processing area and the respective outlet opening (100) of each of said processing area convey the processed fibre into a same joining pipe (120), connected to the outlet pipe (14) of the machine (10). - Machine according to claim 1, wherein the opening wheel (40) comprises:- a support box (42), having a prevalent extension in an axial direction, and- protruding elements (44), protruding radially from the support box (42), disposed staggered to one another, axially and circumferentially, on the sides of the box (42).
- Machine according to claim 1 or 2, comprising a cleaning grid (50), disposed in a position suited to intercepting the fibres processed by the opening wheel (40).
- Machine according to claim 3, wherein the grid (50) comprises a processing wall provided with at least one evacuation opening (52) and distanced from the opening wheel (40) so as to make a gap (54), whose passage section tends to widen towards the direction of rotation of the opening wheel.
- Machine according to claim 4, comprising a chute (70), having a prevalent extension along a direction parallel to the first and second axes of rotation (Z, W) and having an upper surface (72), forming a gap with the opening wheel (40), such as to extend the gap (54) formed by the grid with the opening wheel (40).
- Machine according to claim 5, wherein the upper surface (72) has an extension beyond the second axis of rotation (W) of the opening wheel (40).
- Machine according to any one of the preceding claims, comprising a transit pipe (73) between the opening wheel (40) and the driving roller (80), delimited by containment walls, defined by an area immediately down-line from the feeding wheels (20, 22), as far as an area immediately up-line of the driving roller (80), and extended completely between an upper height, defined by said area immediately down-line of the feeding wheels, (20, 22) and a lower height, defined by said area immediately up-line of the driving roller (80), said containment walls comprising a strike wall (73a) facing the opening wheel (40) and/or the chute (70), distant therefrom to allow the fibre coming out of the chute, driven by the protruding elements (44), to beat against it, and then fall on the driving roller (80).
- Machine according to any one of the preceding claims, wherein the opening roller (90)is fitted with a stiff covering, having saw-teeth (91)and wherein the machine comprises at least one channelling flange (110), disposed around the opening roller (90), suited to pushing the fibre transported by the opening roller (90)towards the teeth (91)and creating a fibre passage section radially decreasing in the direction of roller rotation, sufficiently close to the surface thereof to create a gap into which the fibre is channelled.
- Machine according to any one of the preceding claims, comprising at least one composite unit (121) comprising auxiliary devices such as an aspiration opening, a blade, a baffle, variably combined between them in relation to number and type, according to the processing requirements of the fibre or fibres being processed, said composite unit (121) being arranged along the work portion of the surface of the opening roller (90).
- Machine according to claim 9, wherein the composite unit (121) is contained in a box (121 a) that can be detached or tilted from a machine cover.
- Machine according to claim 10, wherein the box (121 a) supports the opening roller (90) so that the box (121a) is suitable to be tilted towards the exterior of the machine, performing a rotation that moves the opening roller (90) away, so as to make said roller accessible to maintenance technicians.
- Machine according to claim 11, wherein the box (121a) is hinged along a box axis (C), disposed at a lower height than the axis of rotation (K) of the opening roller (90).
- Batt-forming line comprising- a first machine according to any of the previous claims, fed by a single inlet pipe (12), having a first outlet pipe (14);- a second machine according to any of the previous claims, fed by the same single inlet pipe (12), having a second outlet pipe (14);- a fan (130) towards which the first outlet pipe (14) and the second outlet pipe (14) convey the fibre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2007/000512 WO2009010995A1 (en) | 2007-07-19 | 2007-07-19 | Device for the preparation of flock fibres to be supplied to a carder |
EP08789344A EP2167711B1 (en) | 2007-07-19 | 2008-07-17 | Device for the preparation of flock fibres to be supplied to a carder |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08789344A Division EP2167711B1 (en) | 2007-07-19 | 2008-07-17 | Device for the preparation of flock fibres to be supplied to a carder |
EP08789344.2 Division | 2008-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2319966A1 EP2319966A1 (en) | 2011-05-11 |
EP2319966B1 true EP2319966B1 (en) | 2016-07-06 |
Family
ID=39259635
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11152607.5A Active EP2319966B1 (en) | 2007-07-19 | 2008-07-17 | Device for the preparation of flock fibres to be supplied to a carder |
EP08789344A Active EP2167711B1 (en) | 2007-07-19 | 2008-07-17 | Device for the preparation of flock fibres to be supplied to a carder |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08789344A Active EP2167711B1 (en) | 2007-07-19 | 2008-07-17 | Device for the preparation of flock fibres to be supplied to a carder |
Country Status (8)
Country | Link |
---|---|
US (1) | US20100180405A1 (en) |
EP (2) | EP2319966B1 (en) |
JP (1) | JP2010533804A (en) |
CN (2) | CN103088467B (en) |
AT (1) | ATE503045T1 (en) |
BR (2) | BRPI0813377B1 (en) |
DE (1) | DE602008005741D1 (en) |
WO (2) | WO2009010995A1 (en) |
Families Citing this family (14)
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ITBS20090120A1 (en) * | 2009-06-30 | 2011-01-01 | Marzoli Spa | FEEDER DEVICE FOR A MACHINE FOR FIBER PROCESSING FOR CARDING PREPARATION |
CN101824680B (en) * | 2010-04-28 | 2012-02-22 | 洛阳银燕科技有限公司 | Regulation and control method of automatic air compensation device |
KR200467608Y1 (en) | 2012-05-22 | 2013-06-21 | (주) 비앤비 | A willowing machine |
CN103225136A (en) * | 2013-05-15 | 2013-07-31 | 海门市麒新纺织机械有限公司 | Opening machine |
CN103952802A (en) * | 2014-04-15 | 2014-07-30 | 吴江明佳织造有限公司 | Opener |
CN105540165A (en) * | 2014-07-16 | 2016-05-04 | 江苏金沃机械有限公司 | Progressive feeding device for cotton long fibered raw materials |
US9551092B2 (en) * | 2014-07-29 | 2017-01-24 | American Felt & Filter Company | Multi-fiber carding apparatus and method |
EP3739089B1 (en) * | 2019-05-16 | 2022-08-10 | Oskar Dilo Maschinenfabrik KG | Feeding device of a non-woven fabric formation system |
CN112481750B (en) * | 2020-11-23 | 2021-09-24 | 舒城娃娃乐儿童用品有限公司 | Carding device capable of automatically adjusting carding density |
CH719002A1 (en) * | 2021-09-28 | 2023-03-31 | Rieter Ag Maschf | Cleaning device for fiber material. |
CN114351436A (en) * | 2021-11-29 | 2022-04-15 | 含山县光乾纺织有限公司 | Cotton fabric processing is with comb and parallel cotton fibers prior to spinning edulcoration mechanism |
CN114197093A (en) * | 2021-12-21 | 2022-03-18 | 山东环升新材料科技有限公司 | Multicomponent fiber opens mixes machine |
CN114277467B (en) * | 2021-12-28 | 2022-12-13 | 宿松县鑫晟辉织造有限公司 | Cotton cleaner |
EP4428277A1 (en) | 2023-03-09 | 2024-09-11 | MARZOLI MACHINES TEXTILE S.r.l. | Mixer of a spinning line |
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US3457595A (en) * | 1967-09-28 | 1969-07-29 | Leroy E Schulze | Fiber opener and cleaner |
FR2133365A5 (en) * | 1971-04-14 | 1972-11-24 | Neu Sa | |
US4682388A (en) * | 1986-08-22 | 1987-07-28 | John D. Hollingsworth On Wheels, Inc. | Textile flock feed control system and method |
IT1236911B (en) * | 1989-12-21 | 1993-04-26 | Marzoli & C Spa | PROCEDURE AND FEEDING DEVICE FOR FIBER MATERIAL IN A SPINNING PREPARATION MACHINE, IN PARTICULAR AN OPENER |
US5408727A (en) * | 1991-08-29 | 1995-04-25 | Hergeth Hollingsworth Gmbh | Method and apparatus for mixing and opening pneumatically supplied fiber material |
CN2288977Y (en) * | 1996-08-28 | 1998-08-26 | 单成生 | Fibre impurity-removing separator |
IT1295344B1 (en) * | 1997-10-16 | 1999-05-12 | Marzoli & C Spa | FIBER GUIDE WEDGE FOR CARDA |
IT1303019B1 (en) * | 1998-04-17 | 2000-10-20 | Flii Marzoli & C S P A | PERFECTED DEVICE FOR THE IRONING OF A CARDA TEXTILE TAPE |
IT1306249B1 (en) * | 1998-04-24 | 2001-06-04 | Marzoli & C Spa | OPENING AND SEPARATION GROUP OF IMPURITIES FOR MACHINES FOR OPENING OR CARDING OF TEXTILE MATERIAL IN BOWS |
ITMI981618A1 (en) * | 1998-07-14 | 2000-01-14 | Marzoli & C Spa | EQUALIZER DEVICE AND PROCEDURE OF THE FEEDING OF THE FIBERS IN THE MATTRESS TO A CARD |
IT1302707B1 (en) * | 1998-10-20 | 2000-09-29 | Marzoli & C Spa | DEVICE AND PROCESS PERFECTED FOR THE COLLECTION AND IRONING OF THE FROST IN THE OUTLET GROUP OF A CARD. |
IT1302705B1 (en) * | 1998-10-20 | 2000-09-29 | Marzoli & C Spa | DEVICE AND PROCESS PERFECTED FOR THE COLLECTION OF THE VEIL AND ITS IRON IN THE FORM OF A TAPE AT THE OUTPUT OF A CARD. |
IT1303784B1 (en) * | 1998-11-24 | 2001-02-23 | Flii Marzoli & C S P A | DEVICE FOR PREPARATION AND OPENING OF FIBERS IN BOW TO FEED A CARD. |
IT1306949B1 (en) * | 1999-01-14 | 2001-10-11 | Flii Marzoli & C S P A | DEVICE AND PROCEDURE PERFECT FOR DISCHARGE AND PURIFICATION OF THE VEIL AT THE OUTPUT OF A CARD |
ITTO20010518A1 (en) * | 2001-05-31 | 2002-12-01 | Marzoli Spa | APRITOIO AND OPENING PROCEDURE. |
US6615455B1 (en) * | 2002-09-16 | 2003-09-09 | Akiva Pinto | Fiber opening apparatus |
-
2007
- 2007-07-19 WO PCT/IT2007/000512 patent/WO2009010995A1/en active Application Filing
-
2008
- 2008-07-17 JP JP2010519547A patent/JP2010533804A/en not_active Withdrawn
- 2008-07-17 BR BRPI0813377A patent/BRPI0813377B1/en active IP Right Grant
- 2008-07-17 US US12/666,920 patent/US20100180405A1/en not_active Abandoned
- 2008-07-17 EP EP11152607.5A patent/EP2319966B1/en active Active
- 2008-07-17 AT AT08789344T patent/ATE503045T1/en not_active IP Right Cessation
- 2008-07-17 WO PCT/IB2008/052879 patent/WO2009010935A2/en active Application Filing
- 2008-07-17 CN CN201210404676.8A patent/CN103088467B/en active Active
- 2008-07-17 BR BR122012031032-8A patent/BR122012031032B1/en active IP Right Grant
- 2008-07-17 EP EP08789344A patent/EP2167711B1/en active Active
- 2008-07-17 DE DE602008005741T patent/DE602008005741D1/en active Active
- 2008-07-17 CN CN200880025334.7A patent/CN101952492B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN101952492A (en) | 2011-01-19 |
WO2009010935A3 (en) | 2009-03-12 |
WO2009010935A2 (en) | 2009-01-22 |
EP2167711B1 (en) | 2011-03-23 |
CN103088467B (en) | 2015-05-27 |
US20100180405A1 (en) | 2010-07-22 |
BRPI0813377B1 (en) | 2019-01-22 |
CN103088467A (en) | 2013-05-08 |
BRPI0813377A2 (en) | 2018-04-17 |
BR122012031032B1 (en) | 2019-01-22 |
CN101952492B (en) | 2012-12-05 |
BR122012031032A2 (en) | 2018-11-27 |
DE602008005741D1 (en) | 2011-05-05 |
WO2009010995A1 (en) | 2009-01-22 |
ATE503045T1 (en) | 2011-04-15 |
EP2319966A1 (en) | 2011-05-11 |
JP2010533804A (en) | 2010-10-28 |
EP2167711A2 (en) | 2010-03-31 |
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