US3568257A - Apparatus for converting textile staple fibers to carded sliver and feeding such a sliver in cans - Google Patents

Apparatus for converting textile staple fibers to carded sliver and feeding such a sliver in cans Download PDF

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Publication number
US3568257A
US3568257A US771562A US3568257DA US3568257A US 3568257 A US3568257 A US 3568257A US 771562 A US771562 A US 771562A US 3568257D A US3568257D A US 3568257DA US 3568257 A US3568257 A US 3568257A
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Prior art keywords
sliver
rollers
cans
fibers
carding machine
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US771562A
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English (en)
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Angelo Marinoni
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
    • D01G15/62—Slubbing-winding apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
    • D01G15/52—Web-dividing arrangements

Definitions

  • the apparatus also comprises a conveyor belt on which metered amounts of textile staple fibers are loaded, such fibers being drawn therefrom and supplied to the carding machine by a pneumatic conveying device.
  • This invention relates to an apparatus for converting textile staple fibers to carded sliver and can-feeding such a sliver.
  • It is another object to provide an apparatus comprising a multiple feeding card, to which the textile fibers are conveyed in a simultaneous and automatic manner after being drawn and pneumatically carried a plurality of supply belts on which the textile staple fiber is automatically loaded in predetermined amounts.
  • an apparatus comprising a multiple feeding carding machine, a supply conveyor belt, a device for loading controlled amounts of textile staple fibers on said conveyor belt, a plurality of channels, each of which has one end adjacent one end of said belt and another end adjacent a pair of rollers situated side-by-side and rotating in opposite directions, means for causing an air vacuum or depression at said pair of rollers in front of the adjoining end of said channel, means connecting each pair of said rollers to a card supply for continuously transferring a roving or web of textile fibers exiting from said pair of rollers to the carding machine, a plurality of substantially horizontal tubular cans, and a device for continuously twisting, as a sliver, a web of textile fibers exiting from the carding machine and selectively distributing it within one of said cans.
  • the device for continuously twisting, as a sliver, the textile fiber web exiting from the carding machine comprises a rigid frame, a pair of small rollers in a side-by-side arrangement to each other and freely rotatable on rigid bearings, means for rotatably driving said small rollers on said bearings in an opposite direction, and means for imparting a planar movement to the small roller bearings on said rigid frame.
  • each roller in the first mentioned roller pairs adjacent the channels comprises a cylindrical wall, holes being formed therein, and said means for causing air vacuum or depression comprise an aspirator, the intake inlet of which is connected with the inside of said cylindrical wall through at least one conduit.
  • FIG. 1 is a schematic elevational view of the apparatus
  • FIG. 2 is a fragmentary perspective and partially sectional view of that portion of the apparatus feeding the textile fibers to the actual carding machine;
  • FIG. 3 is an enlarged perspective view showing a detail of FIG. 2;
  • FIGS. 4 and 5 are a fragmentary sectional view on one side and a perspective view on the other side, respectively, of the device for twisting the textile fiber web exiting from the carding machine;
  • FIG. 6 is a perspective, partially sectional view of the apparatus at the end of the tubular cans facing the device for twisting the textile fiber web exiting from the carding machine;
  • FIG. 7 is a fragmentary cross-section showing an embodiment different from that of FIGS. 4 and 5 of a device for twisting the textile fiber web exiting from the carding machine;
  • FIG. 8 is a fragmentary perspective view of the supply conveyor belt on which the textile fibers are loaded for feeding to the carding machine.
  • FIGS. 9-12 are schematic front views of the conveyor belt in FIG. 8 at different subsequent loading steps of the textile fibers on different portions of said conveyor belt.
  • the apparatus comprises four sections sequentially arranged, that is: a section 1 comprising a multiple feeding carding machine; a section 2 continuously conveying the textile staple fibers to the various card supplies; a section 3 continuously twisting, as a sliver, the textile fiber web exiting from carding machine 1, and a section 4 comprising a plurality of tubular cans carried on stationary frames and in which the sliver from section 3 is distributed, said sliver then being drawn by the cans to be supplied for further utilization or further processing.
  • the multiple feeding carding machine forming the section designated by reference numeral 1 is of a per se known structure, so that for reasons of simplicity and brevity it will not be described in detail herein; in section 1 of the apparatus, the rollers and drums forming part of the carding machine have been schematically shown.
  • Section 2 of the apparatus comprises a supply conveyor belt 5 formed of a single belt or a plurality of belts side-by-side and rotatably operated, in the direction shown by the arrow, by a motor not shown in the drawing.
  • a device for example a balance loading'means of a well known type in the art which will unload onto belt 5 and at given intervals between each of said walls 6 predetermined amounts of textile fiber staple, so that between walls 6 there is always an amount of textile staple fibers on belt 5 during apparatus operation.
  • each channel 8 is adjacent a pair of rollers side-by-side arranged and rotating in a reverse direction to each other, each roller in the pair of rollers comprising a cylindrical wall 9 (see the enlarged detail of FIG. 3) in which holes have been formed and also comprising a stationary shaft 10 on which said wall 9 is freely rotatably carried about its own axis and with which said wall 9 forms a gap clearly seen in FIG. 3.
  • Each shaft 10 is internally hollow and end-closed.
  • Rollers 9 in each pair of rollers are rotatably interconnected in the direction shown by the arrows in FIG. 3 by a power operated kinematic arrangement not shown in the figures for sake of simplicity.
  • conduits 11 are arranged on either sides of each channel 8, one end of these conduits communicating with the interior of a chamber 12 which through a conduit 13 is connected to the intake inlet of a usual type of aspirator not shown in the figures for sake of simplicity.
  • each conduit 11 is adjacent the surface of the cylindrical walls 9 of each pair of rollers (FIG. 3), at regions of walls 9 in which holes are formed; in the wall of each of shafts 10, a longitudinal aperture 14 is provided, said aperture 14 extending on said shaft between the adjoining ends of the two conduits 11 adjacent thereto.
  • FIGS. 4 and 5 showing two fragmentary perspective views of the device comprising the apparatus section 3 continuously twisting, as a sliver, a textile fiber web exiting from the carding machine and selectively distributing it into one of the cans making up the apparatus section 4.
  • The'device comprises a stationary frame 18 and a tubular'body 19 extending from frame 18 to one of the tubular cans.
  • FIG. 4 showing the interior of the stationary frame 18 carrying thereon a rigid structure 20 formed of a circular metal plate mounted on bearings, on which said plate can freely rotate.
  • first gear ring 21 freely rotatable about its own axis
  • rigid supports for a pair of small rollers 22 are secured, said small rollers 22. being side-by-side and freely rotatable on said supports, and there is also mounted a gearwheel 23 kinematically rotatably connected with the pair of small rollers 22, as clearly shown in the figure.
  • a second gear ring 25 is mounted on said stationary frame 18, said second gear ring 25 being coaxial to gear ring 21 and meshing with gearwheel 23.
  • Frame 18 also carries a shaft 26, driven about its own axis through a gearwheel 27 driven by a motor or directly by the carding machine 1 by means of a chain or belt 28, on said shaft 26 there being mounted a gear 29 meshing with a gearwheel 3t ⁇ transmitting the continuous rotary motion from shaft 26 to gear ring 21.
  • gear ring 21 will continuously rotate about its own axis, small rollers 22 also rotating thereabout and between which the sliver or roving 17 is nipped, thus being twisted in the length between said small rollers 22 and pair of rollers 16.
  • the shaft of gearwheel 23 also rotates about the axis of gear ring 21, said gearwheel 23 meshing with fixed gear ring 25, so that gearwheel 23 is caused to rotate also about its own axis rotating in a reverse direction said small rollers 22 through the above described kinematic arrangement, rotation of small rollers 22 about their own axes causing the feeding of said sliver or roving 17 which is caused to exit through a hole in plate 20 and collected within said tubular body 19, the end of which facing said frame 18, i.e. the pair of small rollers 22, is of a larger diameter than that of the circle travelled by the pair of small rollers in their circular movement about the axis of said gear ring 21.
  • tubular body 19 adjacent frame 18 is fast with a ring nut 31 (FIG. 5 which is freely rotatably supported through ball or roller bearings by a cross member from which two arms 32 extend, on the ends of which two pins 33 parallel to each other are mounted, two slides 34 freely rotatable about the axis of pins 33' being mounted thereon and movable on two guides 35 fast with two shafts 36 parallel to each other and freely rotatable on frame 18, two gearwheels 37 being fast with said shafts 36 and rotatably driven by shaft 26 through worms 38, gearwheels 39 and 40 and chains or belts 41.
  • ring nut 31 (FIG. 5 which is freely rotatably supported through ball or roller bearings by a cross member from which two arms 32 extend, on the ends of which two pins 33 parallel to each other are mounted, two slides 34 freely rotatable about the axis of pins 33' being mounted thereon and movable on two guides 35 fast with two shafts 36 parallel to each other and freely rotatable on
  • Slides 34 are freely movable on guides 35, but cannot exit therefrom owing to suitable pawls or catches provided on the guides and limiting the movements of slides 34.
  • Spacing between the axes of shafts 36 is somewhat larger than spacing between pins 33.
  • the rotation of shafts 36 will cause said slides 34 to be moved on the guides and, as a result, will determine an undulation for arms 32 and, accordingly, said tubular body will undulate in front of stationary frame 18, while the end of tubular body 19 is always positioned in front of the hole from which said sliver 17 exists as urged by small rollers 22.
  • the twisted sliver or roving being urged out of frame 18 by said small rollers 22 is distributed within tubular body 19 so as to completely fill the inner space thereof.
  • FIG. 5 schematically shows on one side that portion of apparatus section 4 which is close to tubular body 19, while FIG. 6 is a partial sectional and detailed view on the other side thereof.
  • Apparatus section 4 comprises six tubular cans 42, horizontal and parallel to one another, fast with a stationary frame 43, the centers of the free ends of cans 42 being uniformly distributed on a circle, the axis of which is coincident with the axis of a shaft 44 (FIG. 6), freely rotatably mounted on frame 43 and carrying a rotatable plate 45 on which there is mounted that end of tubular body 19 facing the cans 42, the end of tubular body 19 being positioned in front of one of said cans.
  • a support member 46 is fast with said stationary frame 43 and carries a motor 47 and a reduction gear 48 from which a shaft 49 projects, the end of said shaft 49 facing the plate 45 carries a circular disc 50 from the periphery of which a cylindrical wall 51 extends, a block 52 being fast with disc 50*.
  • Disc 50 is mounted on shaft 49 with the axis of shaft 49 spaced from the center of disc 50.
  • the angular rotation of plate 45 is accomplished at a very high speed and during this movement sliver 17 will be broken between one can 42 and the following next can 42.
  • the sliver is drawn continuously from the end of each can 42 opposite the end facing conduit 19, sliver drawing being continuously provided by one or more known machines.
  • FIG. 7 showing a vertical cross-section of a second embodiment for apparatus section 3, i.e. the device for continuously twisting sliver 17 and distributing it into cans 42.
  • Frame 43 carries a hollow shaft 57 freely rotatable about its own axis and supporting a rigid frame 58 having substantially the configuration of an internally hollow drum, six spokes 59 being fast with said drum-like frame 58 and mounted on ball bearings, such spokes being sequentially engaged and angularly displaced about the axis of shaft 57 by a drag member entirely similar to that described in connection with FIG. 6, this drag member having been only schematically shown in FIG. 7, wherein some parts thereof have been indicated by the same reference numerals as used in FIG. 6 and which for sake of simplicity is not again described in detail herein. Still for sake of simplicity, in FIG. 7 the tubular cans and stationary frame for support thereof have been indicated by reference numerals 42 and 43 as previously used.
  • a first annular body 60 is mounted on rigid frame 58 and freely rotatable on bearings about a stationary axis relatively to frame 58. Annular body 60 is passed through by a circular hole, the axis of which is not coincident with the axis of rotation of body 69 on frame 58, as clearly shown in FIG. 7.
  • a second annular body 61 is mounted in the cavity or hole of body 60 and supported from body 60 by bearings and freely rotatable about an axis as distinguished from the axis of rotation of the first annular body.
  • a third annular body 62 is mounted on second annular body 61 and freely rotatable thereon on bearings about an axis coincident with the axis of rotation of the second annular body on annular body 60.
  • Second annular body 61 has a bottom wall 63 on which rigid supports 64 are secured for supporting a pair of small rollers 65 (only one of which is shown in FIG. 7), each being fast with an end of a spindle 66, a bevel gearing 67 being fast with the other end thereof, said bevel gearing 67 meshing with a gear ring 68 fast with annular body 62.
  • Supports 64 also carry a shaped body 69 on which a small ring 70 and a funnel 71 are mounted and through which the sliver 17 from carding machine 1 is guided between small rollers 65 and caused to exit therefrom through a hole in bottom wall 63 of annular body 61.
  • ring gears 72, 73 and 74 respectively, on which tooth belts 75, 76 and 77, respectively, are wound, such belts also winding on pulleys 78, 79 and 80, respectively.
  • Pulley 78 is fast with a pulley 81 and keyed on a shaft freely rotatable on a support or bearing fixed to frame 58.
  • pulley 81 is connected to a pulley 83 keyed on a shaft '84, on which pulleys 79 and are also keyed, shaft 84 being accommodated within the axial cavity of shaft 57 and connected to a motor (for sake of simplicity not shown in the figure) transmitting a continuous rotary motion to shaft 84.
  • gear rings 72, 73 and 74, and annular bodies 60, 61 and 62 therewith continuously rotate.
  • Rotation of annular bodies 61 and 62 cause sliver or roving 17 to be twisted in the length between the pair of small rollers 65 and the pair of rollers 16 of the carding machine and also causes small rollers 65 to be rotated on rigid supports 64 and hence a forward drag of sliver 17 which is urged to cans 42 through the hole in bottom wall 63 of annular body 61.
  • annular body 60 causes a circular translation for the axes of rotation of annular bodies 61 and 62 about the axis of rotation of annular body 60 and causes, as a result, sliver 17 to be distributed within each can 42 so as to completely fill the cavity of each can.
  • frame '58 is caused to be rotated about shaft '57 by block 52 and cylindrical wall 51 of disc 50.
  • the textile staple fibers are unloaded on supply conveyor belt to be pneumatically drawn therefrom by channels 8.
  • FIG. 8 there is shown in perspective and partly sectional yiew the detail for the supply conveyor belt and device intended to unload thereon predetermined amounts of textile staple fibers.
  • the supply conveyor belt has been shown as comprising four conveyor belts designated by reference numerals 85, 86, 87 and 88, respectively, rotatably driven by a motor not shown in the drawing for sake of simplicity. Between the supply conveyor belts there extend parallel vertical walls 6 between which, at the end of each belt, there extends the lower end for each of channels 8, also not shown in the figure for sake of simplicity.
  • a stationary rigid frame extends above the supply conyeyors belts, one only portion of said frame being shown 1n FIG. 8 at 89.
  • This frame 89 carries rollers 90, 91, 92, 93 and 94 freely rotatable about their own axis, each roller 90, 92 and 94 being connected to the axis of a separate reduction gearing suitable for rotating both clockwise and counterclockwise.
  • a loading conveyor belt 95 is wound between rollers 90 and 91 and a similar belt 96 is Wound between rollers 92 and 93, these belts being stretched by tension rollers 97 and 9-8, respectively.
  • Two arms 99 freely rotatable about a horizontal axis, are mounted on frame 89, these arms supporting a roller 100 freely rotatableabout its own axis and such that said roller 100 abuts belt 95 at roller 91.
  • Said frame 89 further carries two arms 101, also rotatable a horizontal axis, and supporting a grooved roller 102 freely rotatable about its own axis on said arms 101 and extending adjacent said roller 94.
  • a balance loading apparatus 103 of a known type (and hence not described in detail herein) and suitable to unload predetermined amounts of textile staple fibers on said belt.
  • FIGS. 9-12 wherein said device is schematically shown at different operative steps.
  • roller 90 will be counterclockwise rotated by its motor and in turn roller 92 will be clockwise rotated (FIG. 10), in this instance the textile fibers being loadedon belt 86.
  • rollers 90 and 92 In order to load textile fibers on belt 87 (FIG. 11), rollers 90 and 92 will both counterclockwise rotate, while roller 94 will clockwise rotate.
  • loading of textile fibers on belt 88 is effected by imparting a counterclockwise rotary motion to rollers 90, 92 and 94, that is as shown in FIG. 12.
  • the apparatus for converting textile staple fiber into carded sliver and feeding the sliver into cans includes the carding machine 1, the supply conveyor belt means 5, which may have the construction of the separate belts 85-88 shown in FIG. 8, and the loading means, such as ends distant from the conveyor means 5.
  • the pairs of suction rollers 9 respectively coact with the discharge ends of the suction channels 8 to receive the fibers therefrom and to continue the transportation of the fibers toward the machine 1.
  • the suction conduit means 11 creates a stream of suction air flowing along the channels 8 from the conveyor belt means 5 toward the suction rollers 9.
  • the conduits 15 form a transfer means coacting with the suction rollers 9 for transferring the fibers therefrom to the carding machine 1 in the form of a continuous web discharging from the rollers 9 toward the machine 1.
  • the structure shown in FIGS. 4-7 forms a twisting and distributing means for continuously twisting the sliver as it discharges from the carding machine and selectively distributing it to the horizontal tubular cans 42.
  • a carding machine for conveying the staple fibers, loading means for loading given amounts of textile staple fibers onto said belt means to be conveyed thereby, a plurality of suction channels respectively having inlet ends adjacent said belt means to receive the transported fibers therefrom and discharge ends distant from said belt means, a plurality of pairs of suction rollers respectively situated at said discharge ends of said suction channels for receiving the fibers therefrom, suction conduit means for creating a flow of suction air in said channels from said belt means toward said rollers for carrying the fibers along said channels to said rollers to be further conveyed by the latter toward the carding machine, transfer means connecting said pairs of rollers with said carding machine for continuously transferring a web of textile fibers discharging from said pairs of rollers to the carding machine, a plurality of substantially horizontal tubular cans, and twisting and distributing means for continuously twisting sliver dischar
  • each of said suction rollers includes a cylindrical wall formed with openings passing therethrough, and said suction conduit means communicating through said openings with the interior of the cylindrical wall of said rollers to create therethrough the stream of suction air flowing along said channels.
  • said twisting and distributing means includes a pair of sliver-twisting rollers, a distributing tube having a receiving end aligned with said twisting rollers for receiving the sliver therefrom, said distributing tube having a discharge end distant from said twisting rollers to be selectively situated in alignment with said tubular cans, means for imparting a circular motion to said twisting rollers, said distributing tube having an inner diameter equal at least to the diameter of the circle travelled by said twisting rollers during the circular movement thereof so that the receiving end of said distributing tube remains at all times in communication with the sliver issuing from the twisting rollers.
  • the means for imparting the circular movement to the twisting rollers and a means for driving the twisting rollers include a stationary frame structure, a first gear supported for rotation about its axis by said stationary frame structure and carrying a rotary frame structure which rotates with said first gear, said rotary frame structure carrying said twisting rollers, a second gear coaxial with the first gear and carried by the stationary frame structure so as to remain stationary, a transmission carried by said rotary frame structure, meshing with the teeth of the stationary second gear and operatively connected with the twisting rollers for driving the latter during rotary movement of the first gear together with the twisting rollers, transmission, and rotary frame structure, all with respect to the stationary second gear, and a driving gear meshing with said first gear for rotating the latter about its axis.
  • a crossmember is supported for swinging movement by said stationary frame structure and has opposed ends between which said cross-member carries said receiving end of said distributing tube, said cross-member carrying a pair of pins respectively situated at the ends of said cross-member and a pair of slides operatively connected with said pins and being freely rotatable about the axes of said pins, and a pair of guides coacting with said slides for guiding the latter for sliding movement to impart to said cross-member an oscillatory swinging movement providing for uniform distribution of the sliver within the distributing tube at the receiving end thereof as the sliver issues from said twisting rollers.
  • said distributing means including a rotary support carrying the discharge end of said distributing tube for displacing the discharge end of the latter along the circle along which the cans are arranged, spokes fixed with said rotary support, a drag member for sequentially coacting with said spokes, and a motor operatively connected with said drag member for driving the latter, said drag member coacting sequentially with said spokes for sequentially turning said rotary support and said discharge end of said distributing tube therewith through angular increments successively situating said distributing tube in alignment with the several cans.
  • twisting and distributing means includes a pair of twisting rollers for twisting the sliver issuing from the carding machine, a drive connected to said rollers for driving the latter, and means for displacing the rollers in a plane.
  • twisting and distributing means further includes a means for turning the twisting rollers sequentially through equal angular increments of a circle, said can being angularly spaced from each other through said increments of said circle to become sequentially aligned with said twisting rollers to receive the sliver sequentially therefrom.
  • said conveyor belt means includes a plurality of conveyor belts and a plurality of vertical dividing walls extending parallel to each other and separating the conveyor belts, said loading means selectively unloading predetermined amounts of fibers onto the several belts into the spaces between the walls, said inlet ends of said channels respectively communicating with said spaces between said walls to receive the fibers conveyed along said spaces by said belts.
  • said loading means includes a plurality of loading belts extending transversely of said belts of said conveyor belt means and having ends situated over the latter belts, said loading belts overlapping each other for delivering the fibers to selected belts of said conveyor belt means depending upon the direction of movement of said loading belts.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
US771562A 1967-11-06 1968-10-29 Apparatus for converting textile staple fibers to carded sliver and feeding such a sliver in cans Expired - Lifetime US3568257A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT133867 1967-11-06
IT134068 1968-10-07

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US3568257A true US3568257A (en) 1971-03-09

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US771562A Expired - Lifetime US3568257A (en) 1967-11-06 1968-10-29 Apparatus for converting textile staple fibers to carded sliver and feeding such a sliver in cans

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US (1) US3568257A (it)
BE (1) BE723410A (it)
CH (1) CH478261A (it)
DE (1) DE1807208A1 (it)
ES (1) ES359925A1 (it)
FR (1) FR1592188A (it)
GB (1) GB1199219A (it)
NL (1) NL6815773A (it)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113403870A (zh) * 2021-06-25 2021-09-17 山东大业股份有限公司 一种超高强度高渗胶性能钢帘线及捻制方法及捻制设备
CN117817340B (zh) * 2024-03-03 2024-05-24 无锡仓佑汽车配件有限公司 一种变速箱油泵装配设备

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NL6815773A (it) 1969-05-08
ES359925A1 (es) 1970-06-16
GB1199219A (en) 1970-07-15
BE723410A (it) 1969-04-16
CH478261A (it) 1969-09-15
FR1592188A (it) 1970-05-11
DE1807208A1 (de) 1969-06-04

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