US20170204538A1 - Combing Machine - Google Patents

Combing Machine Download PDF

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Publication number
US20170204538A1
US20170204538A1 US15/327,716 US201515327716A US2017204538A1 US 20170204538 A1 US20170204538 A1 US 20170204538A1 US 201515327716 A US201515327716 A US 201515327716A US 2017204538 A1 US2017204538 A1 US 2017204538A1
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US
United States
Prior art keywords
combing
feed
fiber material
area
gripper plate
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.)
Abandoned
Application number
US15/327,716
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English (en)
Inventor
Daniel Bommer
Ueli Stutz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of US20170204538A1 publication Critical patent/US20170204538A1/en
Assigned to MASCHINENFABRIK RIETER AG reassignment MASCHINENFABRIK RIETER AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Bommer, Daniel, STUTZ, UELI
Abandoned legal-status Critical Current

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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
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/14—Drawing-off and delivery apparatus
    • D01G19/16—Nipper mechanisms
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/08—Feeding apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/26—Driving arrangements

Definitions

  • the invention relates to a combing machine with at least one combing unit for combing out fiber material supplied to the combing unit in a direction of conveyance according to the preamble of patent claim 1 .
  • combing machines are known, for example, from EP 1449944 A1, where the fiber material supplied to the combing machine is supplied to a gripper unit of the respective combing unit (also referred to as a combing head).
  • the end (fiber tuft) of the fiber material protruding out of the closed gripper unit is combed out via a combing segment of a circular comb mounted to rotate beneath the gripper unit.
  • a fiber package is pulled off from the combed-out tuft by means of a tearing device (tearing rollers in the example shown here) and bonded to a nonwoven that has already been formed.
  • the object of the present invention is to propose a device on a combing machine, which will eliminate the disadvantages of the known prior art and will create good accessibility to the gripper unit and thus to the combing cylinder mounted beneath the gripper unit.
  • This object is achieved by proposing that—as seen in the direction opposite the direction of conveyance of the fiber material—a rear guide surface is adjacent to the feed surface to the feed trough wherein the feed surface and the rear guide surface form an obtuse angle ⁇ and—as seen in the direction of conveyance of the fiber material—the rear guide surface runs with a falling inclination at an angle ⁇ 35° with respect to a horizontal plane E.
  • the accessibility to the gripper unit (abbreviated gripper) and the visual observation of the stream of material within the gripper is improved substantially by an operating person standing in front of the combing machine.
  • the accessibility to a combing cylinder (circular comb) mounted to rotate beneath the gripper from the rear side of the combing machine is improved.
  • the angle ⁇ may preferably be between 40° and 60° .
  • the front guide are—as seen in the direction of conveyance of the fiber material and with respect to a horizontal plane—has a falling inclination at an angle ⁇ 55°.
  • This angle ⁇ may preferably be between 60° and 80°.
  • the lower gripper plate shall have at least one support surface on its lower side, which is opposite the rear guide surface, and by means of which the lower gripper plate is fastened on a beam of the combing unit.
  • At least one spacer element be mounted between the support area of the lower gripper plate and the beam.
  • spacer elements marked with colors, for example
  • having different thickness dimensions may be used here.
  • Multiple spacer elements having the same thickness may also be used cumulatively with one another.
  • tolerances that may also exist can be compensated or the combing out and/or the comb quality can be influenced.
  • the lower gripper plate should have on its bottom side starting from its front end, a curved concave subsection which is opposite the front guide area and the feed trough.
  • a partial area of the combing cylinder mounted beneath the gripper advantageously protrudes into this curved section.
  • a negative influence could occur, for example, when two fiber material strands supplied from different supply sources rub against one another and can thus release boundary fibers out of the fiber composite.
  • the lower gripper plate should have an insertion area which is connected to the rear feed area and forms an obtuse angle ⁇ with it—as seen in the direction opposite the direction of conveyance of the fiber material. It is thus possible for the fiber material (as a fiber sliver, for example) to be supplied in an approximately horizontal plane of the gripper although the lower gripper plate of the gripper is aligned essentially at an angle to the horizontal.
  • the at least one guide web should extend into the region of the insertion area (EF). In other words at least one web protruding beyond this area is also provided on the insertion area.
  • a pair of rollers should be mounted upstream from the insertion area for supplying the fiber material—as seen in the direction of conveyance (F) of the fiber material.
  • F direction of conveyance
  • the lower gripper plate as seen transversely to the direction of conveyance of the fiber material—should have one web protruding beyond the top side of the lower gripper plate in the region of its side edges, extending at least partially over the length of the feed area and the rear guide area.
  • the lower gripper plate can be manufactured from die-cast aluminum.
  • FIG. 1 shows a schematic side view of a known combing machine having multiple combing units
  • FIG. 2 shows a schematic side view of one embodiment according to FIG. 1 ;
  • FIG. 3 shows a schematic side view X according to FIG. 2 ;
  • FIG. 4 shows an enlarged diagram according to FIG. 3 with the gripper unit designed according to the invention
  • FIG. 5 shows an enlarged diagram according to FIG. 4 ;
  • FIG. 6 shows a top view H according to FIG. 5 of the lower gripper plate.
  • FIG. 1 shows an embodiment of a combing machine 1 which is already known, wherein a longitudinal part LT extending between a drive unit A and a sliver deposit BA has a longitudinal beam 8 to which are attached a plurality of combing units X 1 to X 16 disposed side by side.
  • These combing units usually have a smaller dimension than the combing heads of traditional combing machines especially since they are charged here with only two fiber edges Z, which are pulled off from cans F 2 to Fx placed beneath the longitudinal beam 8 .
  • the combing units X 1 to X 16 with a width C are disposed directly side by side and are bolted onto the beam 8 as shown in FIG. 8 of the publication of DE 102006026841 A1.
  • the combing units X 1 to X 16 each have a housing, which is provided with corresponding bearing sites to support the drive shafts driven by the drive unit A.
  • Fiber slivers B found on the individual combing units are deposited on a conveyor table FB (for example, a driven conveyor belt) and are supplied to a downstream drawing mill S in a direction of conveyance D situated side by side.
  • This pair of calendaring rollers transfers the fiber sliver to a downstream funnel wheel TR, by means of which the fiber sliver is deposited in the form of a loop in a can K.
  • a clearance FR is provided beneath the housings of combing units X 1 to X 16 at a distance FA from the floor O. This clearance provides good accessibility to the combing units.
  • FIG. 2 - FIG. 4 an exemplary embodiment ( FIG. 2 - FIG. 4 ), which has a simple and inexpensive design and is easy to assemble is shown below.
  • a longitudinal part LT of a combing machine 1 is shown, wherein the drive unit A connected laterally to this longitudinal part is indicated only schematically.
  • a downstream sliver deposit BA with a drawing mill unit S is indicated only schematically.
  • the longitudinal part LT in FIG. 2 and FIG. 3 consists of a longitudinal beam 7 which is fastened at both ends to frame elements RE by means of screws R which are indicated schematically.
  • the longitudinal beam is at a distance FA from the bottom O.
  • the two frame elements RE are each provided with two feet 20 which are adjustable in height and are provided on the lower sides of the frame elements.
  • the longitudinal part is supported by means of these feet on the floor O.
  • the longitudinal part can be balanced with respect to the properties of the floor by means of these adjustable feet.
  • suction channel 17 Beneath the longitudinal beam 7 a suction channel 17 is mounted, protruding into openings 23 in the frame elements RE (see FIG. 2 and FIG. 3 ) and being attached there (not shown).
  • Suction connections (smaller suction channels) 17 a which are disposed at a distance from one another open into the suction channel 17 .
  • These suction connections lead to the respective combing unit X 1 -X 8 , in which the components (combing residues, dirt, nits, etc.) combed out during the combing operation are sucked up by the suction connections 17 a and sent to the suction channel 17 .
  • the components that are removed by suction are sent to a central disposal system, for example, through the suction channel 17 which is connected to a vacuum source (not shown).
  • a “combing unit” is understood to refer to a device for combing out a fiber mass with subsequent formation of slivers of the combed-out fiber mass.
  • a device consists of the following individual components such as the gripper unit, the circular comb, the fixed comb, a breakaway cylinder or a breakaway roller that cooperates with the circular comb (Heilmann principle) with a subsequent soldering device (for example, a screen drum) and a nonwoven-combining unit with formation of a sliver.
  • FIG. 2 shows that a plurality of frame shields RS which extend vertically upward are fastened to the longitudinal beam 7 at a distance G.
  • the longitudinal beam 7 has a U-shaped longitudinal profile U with a bottom wall U 1 .
  • a side wall SW which extends vertically upward in the installed position is connected to the longitudinal profile U.
  • the frame shield RS rests with one side on the side wall SW and with its base area GF on the longitudinal profile U.
  • boreholes 21 through which screws R pass are provided in the area of the contact by the respective frame shield RS with the longitudinal beam 7 .
  • the threaded part protrudes into threaded boreholes (indicated schematically) in the frame shield, so that the frame shield RS is connected fixedly to the longitudinal beam 7 .
  • the respective frame shield RS is thus positioned accurately in the desired position on the longitudinal beam.
  • a transverse web QS is provided between two neighboring frame shields RS.
  • This transverse web has a length corresponding to the distance G.
  • the frame shields RS are mounted at a precise distance on the longitudinal beam 7 as seen in the vertical direction.
  • the transverse webs have laterally protruding straps on their ends, with which they are in contact with the respective frame shield RS and by means of which they are attached to the side shield SE by means of fastening devices (e.g., screws) P.
  • the side shield may be provided with corresponding stops or recesses, to be used for positioning the respective cross-web QS on the frame shield RS.
  • the individual side shields SE are provided with several bearing frames 14 in order to receive and support longitudinal shafts (for example, the circular comb shaft 15 or the shaft of the brusher roller 13 ). These longitudinal shafts are driven by drive elements which are in the drive unit A.
  • a lower gripper plate 2 of a gripper unit 10 (abbreviated “gripper”) is fastened onto each of the transverse webs QS.
  • the lower gripper plate 2 has a support area AF on its bottom side with which it rests on an upper surface OF of the transverse web QS.
  • the respective transverse web QS is disposed at an angle k to a horizontal plane E.
  • one or more spacer plates 25 may be provided between the surface OF of the transverse web QS and the support area AF of the lower gripper plate 2 . In assembly, this may take place by using adjusting gauges.
  • the lower gripper plate is positioned accurately in its longitudinal direction (corresponding to the direction of conveyance F) on the transverse web QS by means of two cylinder pins (not shown).
  • the recess V in the support area AF supports the positioning of the gripper plate during assembly.
  • screws M are also provided for fastening the lower gripper plate 2 on the transverse web QS. As shown schematically, these screws protrude through through-holes DB in the transverse web QS and into threaded boreholes GB in the lower gripper plate 2 .
  • spacer plates 25 are used, they must also be provided with corresponding through-holes for the screws M.
  • the lower gripper plate has a curved concave subsection 35 on its lower side connected to the gripper lip 5 so that the combing cylinder 11 protrudes with its enveloping circle HK into this subsection.
  • the gripper plate 2 On the upper side of the lower gripper plate 2 which is opposite the curved subsection 35 , it (the gripper plate?) has an obliquely rising front guide area VF starting from its front gripper lip 5 , a feed trough 19 being connected to the front guide area (as seen in the direction opposite the direction of conveyance F).
  • the front guide area VF in the installed position of the lower gripper plate 2 , is inclined at an angle ⁇ 55° to a horizontal plane E and in the direction opposite the direction of conveyance F.
  • the angle ⁇ may preferably be between 60° and 80°.
  • lateral guides 44 , 45 are mounted above the front guide area VF at a distance d ( FIG. 6 ). These guides 44 , 45 may be provided with feed areas, which run at an angle n—as seen in the direction of conveyance F—these feed areas further constricting the width of the fiber material in its passage between the guides before it reaches the clamping station in the gripper lip 5 . This ensures that the fiber material Z has a uniform constant width for the subsequent combing-out operation.
  • a feed cylinder 9 which is rotatably mounted inside the gripper 10 and is driven incrementally by a drive (not shown) protrudes into the feed trough 19 .
  • the fiber material Z (for example, in the form of fiber slivers) supplied to the gripper 10 via a roller pair 28 upstream from the gripper is sent to an upper feed area ZF of the lower gripper plate 2 in a first section.
  • This feed area runs approximately horizontally and forms an obtuse angle ⁇ with a rear guide area HF which is situated on the top side of the lower gripper plate 2 (as seen in the direction of conveyance F); the fiber material Z is guided further in the direction of the following feed trough 19 on this rear guide area HF.
  • the rear guide area HF is disposed at a falling angle ⁇ 35° with respect to a horizontal plane E as seen in the direction of conveyance F. This angle ⁇ may preferably be between 40° and 60°.
  • the lower gripper plate 2 has an insertion area EF which forms an obtuse angle ⁇ with the rear feed area HF.
  • the flow of material within the gripper 10 can be monitored well visually by an operator.
  • the accessibility to the lower gripper plate 2 is also improved to be able to carry out corresponding service jobs.
  • the proposed inclined position of the lower gripper plate 2 access from the rear side of the combing machine to the combing cylinder 11 and the brush roller 13 mounted beneath the gripper is simplified.
  • FIG. 6 shows a top view H (according to FIG. 5 ) of the lower gripper plate 2 .
  • Webs 40 , 41 which extend over the feed area ZF, the rear guide area HF and partially over the insertion area EF, are provided in the respective boundary regions of the lower gripper plate 2 .
  • these webs 40 , 41 serve to provide lateral guidance for the fiber material Z, which is moving on the top side of the lower gripper plate and is present in the form of two fiber slivers Z in the example shown here, and on the other hand, to increase the strength of the lower gripper plate 2 .
  • this may be manufactured from a die-cast aluminum.
  • the guide areas 42 , 43 of the webs 40 , 41 are each provided with a surface inclined inward by an angle l in their end regions directly adjacent to the feed trough 19 .
  • the inside distance between the guide areas 42 , 43 is reduced steadily in the direction of conveyance F. Due to this continuous narrowing of the lateral guide areas 42 , 43 of the webs 40 , 41 , the fiber material is gently combined to a predetermined width. This ensures that a fiber material with a constant width is supplied to the downstream feed cylinder.
  • FIG. 6 shows threaded boreholes GB schematically, by means of which the gripper plate 2 is fastened to the transverse web QS by means of screws M.
  • a pivotable frame 4 (or pivoting arms) is (are) mounted, carrying an upper gripper plate 3 , which, together with the lower gripper plate 2 , may form a clamping station in the region of the front gripper lip 5 , as shown in the present view of FIG. 5 .
  • the frame 4 is mounted by devices (not shown) to be pivotable about an axle 6 mounted on the frame shields RS (see double arrow).
  • the fiber tuft FS protruding above the clamping station is combed out by a combing segment 29 of combing cylinder 11 .
  • the fiber tuft FS is the free end, which is supplied in the form of one or more fiber slivers Z, which are pulled out of cans KV, to the clamping station of the gripper under the influence of the feed cylinder 9 .
  • a pull-away segment 30 which cooperates with an adjustable pull-away roller 12 in pull-away of the combed-out end of the fiber tuft FS, is mounted on the opposite side of the combing segment 29 .
  • the fiber packets pulled away are then combined (bonded) on a downstream screen drum 16 and shaped into a fiber sliver B on a unit 26 (with a nonwoven hopper and calendaring rollers).
  • the fiber sliver B formed in this way is deposited on a conveyor table FB ( FIG. 4 ) on which it is transferred to a downstream drawing mill unit S together with additional fiber slivers situated side by side on neighboring combing units.
  • the conveyor table FB may consist of a driven conveyor belt.
  • the fiber sliver of a depositing device formed on the drawing mill unit S (sliver deposit BA) is sent to a depositing device by means of which it is deposited in the form of loops in cans K.
  • a brush roller 13 which is mounted in bearing units integrated into the frame shields RS, is disposed beneath the combing cylinder.
  • crossbars 18 are mounted within the U-shaped longitudinal section U. As seen in the longitudinal direction of the longitudinal beam 7 , the adjacent crossbars 18 each run at an opposite angle b to a horizontal plane, resulting in a honeycomb-type structure of the reinforcements, as seen over the length of the U profile.
  • the individual reinforcements extend approximately over the height of the free legs of the U profile—as seen transversely to the longitudinal direction of the longitudinal beam.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
US15/327,716 2014-07-21 2015-07-02 Combing Machine Abandoned US20170204538A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH01098/14 2014-07-21
CH01098/14A CH709900A2 (de) 2014-07-21 2014-07-21 Kämmmaschine.
PCT/IB2015/054988 WO2016012888A1 (de) 2014-07-21 2015-07-02 Kämmmaschine

Publications (1)

Publication Number Publication Date
US20170204538A1 true US20170204538A1 (en) 2017-07-20

Family

ID=53610932

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/327,716 Abandoned US20170204538A1 (en) 2014-07-21 2015-07-02 Combing Machine

Country Status (6)

Country Link
US (1) US20170204538A1 (de)
EP (1) EP3172365B1 (de)
JP (1) JP2017524838A (de)
CN (1) CN106536799B (de)
CH (1) CH709900A2 (de)
WO (1) WO2016012888A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH712606A1 (de) * 2016-06-27 2017-12-29 Rieter Ag Maschf Vorrichtung für eine Kämmmaschine.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1464820A (en) * 1923-01-27 1923-08-14 Heinrich Ernst Hermann Swinging nippers in flat combing machines
US1605135A (en) * 1924-05-22 1926-11-02 Nasmith S Patents Ltd Combing machine
US2558706A (en) * 1945-01-04 1951-06-26 Terrell Mach Co Combing machine
US3103041A (en) * 1960-05-18 1963-09-10 Whitin Machine Works Fringe control blade for combing machine
US4564979A (en) * 1983-06-09 1986-01-21 Sant' Andrea Novara Officine Meccaniche E Fonderie Combing machine for textile fibres
US5131117A (en) * 1989-02-22 1992-07-21 Pettinatura Europa S.R.L. Straight combing machine for wool and a combing method
WO2008011734A1 (de) * 2006-07-25 2008-01-31 Maschinenfabrik Rieter Ag Kämmmaschine
US7895714B2 (en) * 2007-06-29 2011-03-01 TRüTZSCHLER GMBH & CO. KG Apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190918130A (en) * 1909-08-06 1910-06-09 James Jolly Improvements in Combing Machines.
DE58901371D1 (de) * 1988-04-19 1992-06-17 Rieter Ag Maschf Einrichtung in einer kaemmaschine zum fuehren der watte zwischen einer wickelwalze und einem speisezylinder.
CH679159A5 (de) * 1988-11-04 1991-12-31 Rieter Ag Maschf
CN2500693Y (zh) * 2001-11-16 2002-07-17 高素文 固定钳床的精梳机
EP1449944B1 (de) * 2003-02-21 2008-04-02 Maschinenfabrik Rieter Ag Zangenaggregat für eine Kämmaschine
CH697734B1 (de) 2005-07-26 2009-01-30 Rieter Agpatente Und Lizenzen Textilmaterial verarbeitende Maschine.
CH698052B1 (de) * 2005-07-26 2009-05-15 Rieter Agpatente Und Lizenzen Kämmmaschine mit mehreren Kämmaggregaten und wenigstens einem Antrieb für die Kämmaggregate.
CH699790A2 (de) 2008-10-24 2010-04-30 Rieter Ag Maschf Kämmvorrichtung mit schwenkbarem Rahmen.
JP5510109B2 (ja) * 2010-06-22 2014-06-04 株式会社豊田自動織機 コーマ
CH703822A2 (de) * 2010-09-22 2012-03-30 Rieter Ag Maschf Zangenaggregat für eine Kämmmaschine.
CH704372A2 (de) 2011-01-20 2012-07-31 Rieter Ag Maschf Kämmmaschine mit einer Abdeckung.
CH705071A2 (de) * 2011-06-06 2012-12-14 Rieter Ag Maschf Zangenaggregat einer Kämmmaschine.
CN202297911U (zh) * 2011-09-21 2012-07-04 邓州雪阳集团股份有限公司 精梳机上下钳板

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1464820A (en) * 1923-01-27 1923-08-14 Heinrich Ernst Hermann Swinging nippers in flat combing machines
US1605135A (en) * 1924-05-22 1926-11-02 Nasmith S Patents Ltd Combing machine
US2558706A (en) * 1945-01-04 1951-06-26 Terrell Mach Co Combing machine
US3103041A (en) * 1960-05-18 1963-09-10 Whitin Machine Works Fringe control blade for combing machine
US4564979A (en) * 1983-06-09 1986-01-21 Sant' Andrea Novara Officine Meccaniche E Fonderie Combing machine for textile fibres
US5131117A (en) * 1989-02-22 1992-07-21 Pettinatura Europa S.R.L. Straight combing machine for wool and a combing method
WO2008011734A1 (de) * 2006-07-25 2008-01-31 Maschinenfabrik Rieter Ag Kämmmaschine
US7895714B2 (en) * 2007-06-29 2011-03-01 TRüTZSCHLER GMBH & CO. KG Apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing

Also Published As

Publication number Publication date
CH709900A2 (de) 2016-01-29
JP2017524838A (ja) 2017-08-31
EP3172365B1 (de) 2020-04-22
CN106536799B (zh) 2019-01-18
CN106536799A (zh) 2017-03-22
EP3172365A1 (de) 2017-05-31
WO2016012888A1 (de) 2016-01-28

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AS Assignment

Owner name: MASCHINENFABRIK RIETER AG, SWITZERLAND

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOMMER, DANIEL;STUTZ, UELI;REEL/FRAME:043196/0106

Effective date: 20170213

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE