EP0361276A2 - Appareil et procédé pour préparer des fibres textiles nettoyées et en alimenter une machine textile - Google Patents

Appareil et procédé pour préparer des fibres textiles nettoyées et en alimenter une machine textile Download PDF

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Publication number
EP0361276A2
EP0361276A2 EP89117279A EP89117279A EP0361276A2 EP 0361276 A2 EP0361276 A2 EP 0361276A2 EP 89117279 A EP89117279 A EP 89117279A EP 89117279 A EP89117279 A EP 89117279A EP 0361276 A2 EP0361276 A2 EP 0361276A2
Authority
EP
European Patent Office
Prior art keywords
fibers
shaft
fiber
cleaning device
reserve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89117279A
Other languages
German (de)
English (en)
Other versions
EP0361276B1 (fr
EP0361276A3 (en
Inventor
Akiva Pinto
Günter Lucassen
Bernhard Bocht
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.)
Hollingsworth GmbH
Hergeth Hollingsworth GmbH
Original Assignee
Hollingsworth GmbH
Hergeth Hollingsworth GmbH
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 Hollingsworth GmbH, Hergeth Hollingsworth GmbH filed Critical Hollingsworth GmbH
Publication of EP0361276A2 publication Critical patent/EP0361276A2/fr
Publication of EP0361276A3 publication Critical patent/EP0361276A3/de
Application granted granted Critical
Publication of EP0361276B1 publication Critical patent/EP0361276B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G21/00—Combinations of machines, apparatus, or processes, e.g. for continuous processing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/08—Air draught or like pneumatic arrangements

Definitions

  • the invention relates to a device and a method for preparing and feeding cleaned textile fibers in an associated textile processing machine, an air flow conveying fibers directly into a vertical feed shaft by a cleaning device that works with an increased cleaning effect.
  • This type of vertical feed shaft usually has a storage container called a reserve shaft, which is arranged above the shaft area.
  • the fibers are fed horizontally into the reserve shaft by an air flow carrying the fibers.
  • the air exits the reserve shaft, causing the fibers to be deposited in a column above an upper feed roller that feeds the fibers into the shaft area.
  • the fibers are typically cleaned by a flake feeder such as that described, for example, in US Pat. No. 4,682,388 and introduced into the air stream. Then the fibers are fed from the flake feed device to the vertical feed shaft.
  • the flake feed device has a pair of feed rollers which form a clamping point and between which the fibers are transported to a feed belt which feeds the fibers into the transport air stream to the reserve shaft of the feed shaft.
  • the amount of fibers that are fed into the reserve layer is determined by determining the air pressure in the feed channel leading to the reserve area. When fibers accumulate in the spare shaft, the air pressure increases. This is because an air outlet arranged on a wall of the reserve shaft is blocked less or more with fibers, so that the air pressure changes accordingly.
  • Such a feed and control system is in U.S. Patent 4,682,388. The change in air pressure is used to determine the amount of fiber and to control the feed rollers of the flake feed device, so that the fiber feed can be controlled accordingly.
  • the feed rollers of the cleaning device create a feed with a clamping point in which the fiber feed can be actively stopped and started without any time delay, ie feeding or stopping the feeding of fibers takes place practically instantaneously.
  • the fiber feed is also stopped, so that the controlled fill level in the reserve shaft remains relatively the same and in the desired range.
  • Such a filling level is normally desired so that part of the air outlet remains free. The escape of air is necessary to prevent the fiber column in the reserve shaft from being subjected to excessive pressure and to prevent the feed roller from being overloaded and blocked.
  • Fiber cleaning machines which have no nip point and in which the fibers are only guided by a flowing air stream over fiber cleaning and opening rollers.
  • a fiber cleaning device without pinch points is manufactured by Hergeth Hollingsworth GmbH in Dülmen, Federal Republic of Germany, under the name roller cleaner model WR / Z.
  • This roller cleaning device is particularly suitable for cleaning various types of heavily contaminated cotton and is mainly used as an initial cleaning device in a cleaning line.
  • Such fiber cleaning devices without clamping points are usually arranged between a bale opening machine and the mixing station within a cleaning line net. This type of cleaner has excellent cleaning properties and opening properties.
  • the fiber material is passed axially through a pair of rollers and exits the other side of the cleaning machine, being contained in the transport air stream all the time.
  • a further object of the invention is to provide a method for cleaning fibers and for feeding cleaned fibers to a vertical feed shaft, in which a pinchless fiber cleaning device working with an increased cleaning effect is used.
  • the invention is intended to provide a system and method in which cleaned fibers can be fed to a vertical feed shaft by means of a pinch-free fiber cleaning device without excess fibers containing in the continuous air stream being deposited in the feed shaft if there is no material requirement for the feed shaft.
  • the invention is also intended to provide a system and method in which the fibers are fed directly from a pinch-free fiber cleaning device to a vertical feed shaft, the system being controlled so as to compensate for excess fibers contained in the air flow passing therethrough when one processing machine fed through the feed shaft, e.g. Card or the like is stopped so that the like when resuming the carding process. blocking of the shaft feed roller is prevented.
  • a preferred embodiment of this textile fiber preparation and delivery system is provided with an air flow channel which is a fiber source with an inlet to the cleaning device and connects an outlet from the cleaning device to a reserve shaft, a control device which controls a quantity of fibers supplied from a fiber source as a function of the quantity of fibers in a reserve shaft; wherein a controller controls the operation of an upper feed roller in response to a fiber level in an effective zone for forming a fiber mat, and wherein the control device continues to operate the upper feed roller after delivery of a fiber mat is completed to remove excess fibers that have deposited in an airflow channel , which extends from the fiber source to the reserve shaft, and to prevent blocking of an air outlet of the reserve shaft, so that when the fiber mat delivery is resumed, the upper feed roller is prevented from blocking.
  • Figure 1 is a schematic representation of the textile fiber preparation and feed system with the pinchless fiber cleaning device.
  • A denotes a mixing plant for the production of a fiber mixture.
  • the fibers are transported in the form of an air flow 10 carrying fibers from the mixing device to a fiber cleaning device B without a pinch point.
  • the fibers are transported in the air flow through the cleaning device B directly to a vertical feed shaft C without a clamping point.
  • the fibers are compressed in the vertical shaft and in the form of a Compact fiber mat 12 issued or the like an associated card. 14 is supplied.
  • Mixing system A effects effective mixing at this stage of fiber processing.
  • Mixing is one of the first processes in fiber preparation and is used to homogenize and intensify fiber flake mixtures, to compensate for deviations in material density and to compensate for differences in material moisture.
  • the fibers can be fed to the mixing device by a conventional or an automatic bale opening system, as is described, for example, in DE-3 208 346 (US-4,514,881).
  • the fibers pass from the fiber bale opener system through an inlet 16 into the mixing device. 16 is the inlet to a reciprocating fiber-air separator 18 which is moved in a conventional manner perpendicular to the direction in which the fibers move through the mixer.
  • the transverse movement of the separating device distributes the separated fibers evenly in layers over the entire working width of the mixing device.
  • the density of the fibers in a mixing chamber 20 of the mixing device can be precisely controlled in a conventional manner by means of photocells and a pressure roller (not shown).
  • the fiber layers are transported on a conveyor belt 22 in the mixing device and fed to a needle-punched cloth 24, which removes the fibers from the cross-section of the layers and transports them further to a stripping roller 26, from which the fibers are fed to the cleaning device B by the transport air stream.
  • This mixing device is a processing machine for natural and man-made fibers with a stack length of up to 120 mm.
  • the pinch-free fiber cleaning device B is arranged between the mixing device or another fiber source and the vertical feed shaft C.
  • the cleaning device B has an inlet 30 on one side and an outlet 32 on the opposite side. Any suitable fiber cleaning device without a clamping point when the fibers are conveyed through the cleaning device can be used.
  • the cleaning device is provided with a pair of opening and cleaning rollers 34 and 36. The fibers are moved axially along the length of the rollers rotating at high speed by the transport air stream 10. Contaminants separated from the opening rollers fall through a grate 38 into a floor container of the cleaning device, from which they can be removed by suction. The rolls rotate continuously while the fibers are transported along the opening rolls.
  • the opener rollers 34 and 36 are provided with pins 40 which extend radially outward.
  • a transport fan 42 creates the air flow to carry the fibers.
  • the transport air stream 10a which emerges from the cleaning device B, contains opened and highly cleaned fibers.
  • the air stream 10a with the cleaned fibers enters an inlet duct 44 of the vertical feed shaft.
  • the vertical feed shaft C is provided with a reserve shaft 46 which receives the fibers, the air from the transport air current in the direction of arrows 48 exits through an air outlet 50 which is formed in a rear wall of the reserve shaft 46.
  • the air outlet 50 may have a reed plate through which the air exits.
  • the fibers are deposited in the reserve shaft F over an upper feed roller 52.
  • the upper feed roller 52 introduces the fibers into an active zone 54 to form a fiber column, which leave the fibers in the form of a compressed fiber mat 12.
  • the fiber mat is removed by delivery rollers 56.
  • the operation of the feed shaft is conventional and is described in detail, for example, in US 4,476,611.
  • the card or the like. 14 can sometimes be switched off for various reasons, which can even be the case several times in a day.
  • the pinch-free fiber cleaning device B causes an increased throughput line and an increased cleaning effect, but also produces an excessive amount of fibers in the channel system 58 between the fiber source at the mixing device A and the upper feed roller 52 of the vertical feed shaft C.
  • a control system 60 regulates the amount of fiber that does that Reserve shaft 46 is supplied. This is done by determining the pressure with a pressure sensor 62 which indicates the amount of fibers present in the reserve shaft. When fibers accumulate and more or less cover the air outlet 50, the pressure changes so that it gives an indication of the amount of fibers.
  • a suitable control system which describes the feeding of fibers from a flake feed device to a vertical feed shaft C.
  • the control system operates the rollers of the flake feeder, which has a nip point for controlling fiber feed between the rollers.
  • the fibers fed can be controlled essentially instantaneously, without any noticeable time delay occurring.
  • the system for flowing through the transport routes and the associated devices results in a system with a substantially higher capacity. It is essential that there is a large amount of fiber in the distribution system in this phase. If the card or the like.
  • this problem is avoided by using a fiber cleaning device without a pinch point and having an increased cleaning effect in combination with a vertical feed shaft is used with the control system 60 programmed to continue operating the upper feed roller 52 when the card 14 operation or delivery of the batt is complete.
  • the control system 60 programmed to continue operating the upper feed roller 52 when the card 14 operation or delivery of the batt is complete.
  • a compensation for the additional or excess fibers in the continuous system is created by reducing the fiber column deposited in the reserve shaft.
  • the processing machine is stopped, compensation is made for the excess fibers present in the reserve shaft.
  • the risk of blocking an air outlet is essentially eliminated, so that cleaning of the reserve shaft is not necessary even if a fiber cleaning device without a pinch point is used.
  • the transport line D for conveying the transport air flow has a first section 63a between the mixing device A and the cleaning device B and a second section 63b between the cleaning device B and the reserve shaft 46.
  • the controller 60 which may be any conventional controller that can be programmed by those skilled in the art, receives pressure signals 62 at 64 and also receives a signal 66 from the feed roller 56 indicating that the operation of the Processing machine and / or the delivery of the fiber mat is finished.
  • the control device 60 outputs an output signal 68, which controls the operation of the needle sliver 24 in a conventional manner, and an output signal 70, which controls the operation of the conveying device 22 in a conventional manner.
  • both the needle lattice and the feed belt can be driven by normal speed-controlled direct current motors, which are controlled by the output signal from the control device 60.
  • the fiber supply from the mixing device A is stopped by stopping the drive of the needle bar cloth 24 and the conveyor belt 22.
  • the rollers 34 and 36 and the blowing device 42 continue to operate, so that excess fibers are present in the transport line D over the entire distance from the fiber source A to the vertical feed shaft C.
  • the controller 60 outputs a signal 72 to the upper feed roller 52 to cause the feed roller 52 to operate for a predetermined period of time sufficient to remove the excess fibers so that the excess fibers do not accumulate and Block air outlet 50.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP89117279A 1988-09-30 1989-09-19 Appareil et procédé pour préparer des fibres textiles nettoyées et en alimenter une machine textile Expired - Lifetime EP0361276B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US252191 1988-09-30
US07/252,191 US4864693A (en) 1988-09-30 1988-09-30 Flow-through fiber preparation feed system and method

Publications (3)

Publication Number Publication Date
EP0361276A2 true EP0361276A2 (fr) 1990-04-04
EP0361276A3 EP0361276A3 (en) 1991-07-03
EP0361276B1 EP0361276B1 (fr) 1996-02-14

Family

ID=22954985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89117279A Expired - Lifetime EP0361276B1 (fr) 1988-09-30 1989-09-19 Appareil et procédé pour préparer des fibres textiles nettoyées et en alimenter une machine textile

Country Status (4)

Country Link
US (1) US4864693A (fr)
EP (1) EP0361276B1 (fr)
JP (1) JPH02112420A (fr)
DE (1) DE58909605D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4026330A1 (de) * 1990-08-20 1992-02-27 Rieter Ag Maschf Putzereilinie
DE19630018A1 (de) * 1996-07-25 1998-01-29 Rieter Ag Maschf Anlage zum Verarbeiten von Fasern
US6212737B1 (en) 1996-05-20 2001-04-10 Maschinenfabrik Rieter Ag Plant for processing fibers
CN110172756A (zh) * 2019-05-20 2019-08-27 长兴煤山掌珠丝绸厂 一种棉纺布加工用梳棉装置
CN110438594A (zh) * 2019-08-05 2019-11-12 李雪 一种纺织用初步处理装置

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4018803A1 (de) * 1990-06-12 1991-12-19 Rieter Ag Maschf Verfahren und vorrichtung zur regelung eines oeffnungsvorganges, beispielsweise an einer karde
GB9102026D0 (en) * 1991-01-30 1991-03-13 Crosrol Ltd Blow room installation
US5226213A (en) * 1991-09-24 1993-07-13 E. I. Du Pont De Nemours And Company Rake valve for air-fiber streams
US5459990A (en) * 1993-10-14 1995-10-24 Tns Mills, Inc. Facility and method for producing yarn
US6317932B1 (en) * 1998-05-28 2001-11-20 E. I. Du Pont De Nemours And Company Inlet design for handling bulk textile fiber
US5950282A (en) * 1998-10-05 1999-09-14 Pinto; Akiva Textile chute feed
CN101831730B (zh) * 2010-05-14 2011-11-09 东华大学 一种羽绒定量喂给的成型装置及方法
US8360348B2 (en) 2010-08-12 2013-01-29 Frank Levy Method and apparatus for recycling carpet
US8870104B2 (en) 2011-01-13 2014-10-28 Frank Levy Method for separating carpet fibers
CN103643355B (zh) * 2013-11-29 2016-08-24 山东新力环保材料有限公司 新型梳理机
CN107488896B (zh) * 2017-08-17 2019-05-21 河北奥尼特纺织科技有限公司 一种多用途纤维开松混合仓系统
CN107829184A (zh) * 2017-11-10 2018-03-23 安徽翰联纺织有限公司 制备芳纶纤维混纺纱线的纺纱系统
CN107699996A (zh) * 2017-11-10 2018-02-16 安徽翰联纺织有限公司 功能性纤维纯纺或混纺成条机构
CN113235190A (zh) * 2021-06-23 2021-08-10 青岛宏大纺织机械有限责任公司 一种双侧喂入双面排风的上棉箱装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414330A (en) * 1966-09-03 1968-12-03 Truetzschler & Co Pneumatic feeding arrangement for supplying fibrous materials
GB1544813A (en) * 1976-10-04 1979-04-25 Carding Spec Co Processing of textile slivers
US4476611A (en) * 1980-11-17 1984-10-16 Automatic Material Handling, Inc. Fiber feeding apparatus with fiber leveling means
US4404710A (en) * 1981-05-29 1983-09-20 Rando Machine Corporation Apparatus for feeding fibers to carding machines and the like
DE3208346C2 (de) * 1982-03-09 1984-11-29 Hergeth GmbH & Co KG, 4408 Dülmen Einrichtung zum Abtragen des Gutes von in Reihe aufgestellten Ballen aus Spinngut
DE3228672A1 (de) * 1982-07-31 1984-02-02 Trützschler GmbH & Co KG, 4050 Mönchengladbach Verfahren und vorrichtung zur klimatisierung einer spinnereivorbereitungsanlage
US4682388A (en) * 1986-08-22 1987-07-28 John D. Hollingsworth On Wheels, Inc. Textile flock feed control system and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4026330A1 (de) * 1990-08-20 1992-02-27 Rieter Ag Maschf Putzereilinie
US6212737B1 (en) 1996-05-20 2001-04-10 Maschinenfabrik Rieter Ag Plant for processing fibers
DE19630018A1 (de) * 1996-07-25 1998-01-29 Rieter Ag Maschf Anlage zum Verarbeiten von Fasern
CN110172756A (zh) * 2019-05-20 2019-08-27 长兴煤山掌珠丝绸厂 一种棉纺布加工用梳棉装置
CN110438594A (zh) * 2019-08-05 2019-11-12 李雪 一种纺织用初步处理装置
CN110438594B (zh) * 2019-08-05 2021-12-03 江西天达纺织有限公司 一种纺织用初步处理装置

Also Published As

Publication number Publication date
EP0361276B1 (fr) 1996-02-14
EP0361276A3 (en) 1991-07-03
DE58909605D1 (de) 1996-03-28
JPH02112420A (ja) 1990-04-25
US4864693A (en) 1989-09-12

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