EP1045047A1 - A device for expelling the vegetable impurities in a wool card - Google Patents

A device for expelling the vegetable impurities in a wool card Download PDF

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Publication number
EP1045047A1
EP1045047A1 EP00107736A EP00107736A EP1045047A1 EP 1045047 A1 EP1045047 A1 EP 1045047A1 EP 00107736 A EP00107736 A EP 00107736A EP 00107736 A EP00107736 A EP 00107736A EP 1045047 A1 EP1045047 A1 EP 1045047A1
Authority
EP
European Patent Office
Prior art keywords
morel cylinder
roll
cylinder
morel
burr
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
EP00107736A
Other languages
German (de)
French (fr)
Other versions
EP1045047B1 (en
Inventor
Giovanni Bacchio
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.)
Fincarde SpA
Original Assignee
F O R Ing Graziano SpA
For Ing Graziano SpA
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 F O R Ing Graziano SpA, For Ing Graziano SpA filed Critical F O R Ing Graziano SpA
Publication of EP1045047A1 publication Critical patent/EP1045047A1/en
Application granted granted Critical
Publication of EP1045047B1 publication Critical patent/EP1045047B1/en
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
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/94—Burr-crushing or removing arrangements
    • D01G15/98—Morel or like apparatus

Definitions

  • the present invention relates to a device for expelling the vegetable impurities in a wool card of the type comprising at least one Morel cylinder with which at least one pair of burr-beaters cooperates.
  • this inverted carding unit is to perform a carding operation on the wool transported by the Morel cylinder and to turn the tufts of wool over.
  • the subject of the present invention is a device for expelling the vegetable impurities in a card of the type specified above having the characteristics which form the subject of Claim 1.
  • a Morel cylinder which rotates clockwise and forms part of a device for expelling vegetable impurities in a wool card, is indicated 1.
  • burr-beaters 2, 3 Cooperating with the Morel cylinder 1 are two burr-beaters 2, 3 which have radial blades and rotate clockwise, and each of which picks up vegetable impurities from the wads of wool transported by the Morel cylinder 1 and discharges them into a respective collector 2a, 3a.
  • a pair of rolls 4, 5, both rotating anticlockwise, is interposed between the two burr-beaters 2, 3.
  • the first roll 4 is a working roll having a rigid covering with triangular points inclined in its own direction of rotation, rotating with a peripheral velocity slower than that of the Morel cylinder 1 and picking up the flow of fibres therefrom.
  • the second roll 5 is a roll having a brush-like covering constituted by natural or synthetic bristles and rotating with a peripheral velocity faster than that of the working roll 4 but slower than that of the Morel cylinder 1.
  • the brush-like roll 5 brings about an oriented turning-over of the fibres which is not adversely affected by the turbulence arising in the region between the contact points of the cylinder 1 and the rolls 4 and 5 so that, at the output of the brush-like roll 5, the wool fibres are arranged on the Morel cylinder 1 correctly, that is, parallel with one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

A device for expelling the vegetable impurities in a wool card comprises at least one Morel cylinder (1) with which at least one pair of burr-beaters (2, 3) cooperates. Interposed between the two burr-beaters (2, 3) is a pair of rolls (4, 5) of which the first is a working roll (4) rotating at a speed slower than that of the Morel cylinder (1) and the second is a brush-like roll (5) rotating at a speed faster than that of the working roll (4) but slower than the that of Morel cylinder (1). The brush-like roll (5) discharges the fibres onto the Morel cylinder (1) in a manner such that they are turned over and arranged parallel with one another.

Description

  • The present invention relates to a device for expelling the vegetable impurities in a wool card of the type comprising at least one Morel cylinder with which at least one pair of burr-beaters cooperates.
  • It is known from patent application FR-A-2,232,626 to use, on a Morel cylinder, two burr-beaters between which an inverted carding unit constituted by a worker and by a stripper is interposed.
  • The function of this inverted carding unit is to perform a carding operation on the wool transported by the Morel cylinder and to turn the tufts of wool over.
  • However, this solution is not satisfactory, in the first place, because it turns the fibres over only partially. Moreover, a large amount of turbulence is produced in the region between the points of contact of the worker with the Morel cylinder, of the worker with the stripper, and of the stripper with the Morel cylinder, owing to the draughts caused by the rotation of said cylinders so that, in the tufts of fibres which emerge from this carding unit as a result of the action of the stripper, not all of the fibres are correctly oriented parallel to the direction of advance and the fibres may also have agglomerations of wool.
  • As a result of the action of the subsequent burr-beater, this may lead to breakage of the incorrectly oriented fibres and to expulsion or damage of any agglomerations of wool.
  • It is known from patent application EP-A-0 768 397 to use, on a Morel cylinder, two burr-beaters, between which is interposed a pair of rolls of which the first is a roll having a brush-like covering and rotating at a speed faster than that of the Morel cylinder and the second is a turning roll having a rigid covering with triangular points oriented in its own direction of rotation, rotating at a speed between that of the brush-like roll and that of the Morel cylinder, and discharging the brush-like cylinder completely by densification.
  • The solution which forms the subject of this application achieves - in comparison with the solution known from FR-A-2,232,626 - complete rather than partial turning-over of the fibres. However, this solution is also unable to output all of the fibres with the correct parallel orientation since the turning roll cannot render parallel those fibres which undergo a random orientation as a result of the above-mentioned turbulence.
  • In order to prevent the above-mentioned disadvantages of the prior art, the subject of the present invention is a device for expelling the vegetable impurities in a card of the type specified above having the characteristics which form the subject of Claim 1.
  • The invention will now be described with reference to the appended drawing which shows an embodiment of the invention by way of example.
  • In the drawing, a Morel cylinder, which rotates clockwise and forms part of a device for expelling vegetable impurities in a wool card, is indicated 1.
  • Cooperating with the Morel cylinder 1 are two burr- beaters 2, 3 which have radial blades and rotate clockwise, and each of which picks up vegetable impurities from the wads of wool transported by the Morel cylinder 1 and discharges them into a respective collector 2a, 3a.
  • A pair of rolls 4, 5, both rotating anticlockwise, is interposed between the two burr- beaters 2, 3. The first roll 4 is a working roll having a rigid covering with triangular points inclined in its own direction of rotation, rotating with a peripheral velocity slower than that of the Morel cylinder 1 and picking up the flow of fibres therefrom.
  • The second roll 5 is a roll having a brush-like covering constituted by natural or synthetic bristles and rotating with a peripheral velocity faster than that of the working roll 4 but slower than that of the Morel cylinder 1. Owing to the high density of its bristles, the brush-like roll 5 brings about an oriented turning-over of the fibres which is not adversely affected by the turbulence arising in the region between the contact points of the cylinder 1 and the rolls 4 and 5 so that, at the output of the brush-like roll 5, the wool fibres are arranged on the Morel cylinder 1 correctly, that is, parallel with one another.

Claims (1)

  1. A device for expelling the vegetable impurities in a wool card, of the type comprising at least one Morel cylinder (1) with which at least one pair of burr-beaters (2, 3) cooperates, characterized in that, between each pair of burr-beaters (2, 3) cooperating with a Morel cylinder (1) there is interposed a pair of rolls (4, 5) of which the first is a working roll (4) which has a rigid covering with triangular points inclined in its own direction rotation and which rotates at a speed slower than that of the Morel cylinder (1), picking up the flow of fibres therefrom, and the second is a roll which has a brush-like covering (5) and rotates at a speed faster than that of the working roll (4) but slower than that of the Morel cylinder (1), turning the fibres over in an orderly manner and arranging them parallel with one another on the Morel cylinder (1).
EP20000107736 1999-04-15 2000-04-11 A device for expelling the vegetable impurities in a wool card Expired - Lifetime EP1045047B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1999TO000299 IT1308803B1 (en) 1999-04-15 1999-04-15 DEVICE FOR THE EXPULSION OF VEGETABLE IMPURITIES IN A WOOL PEARL CARD.
ITTO990299 1999-04-15

Publications (2)

Publication Number Publication Date
EP1045047A1 true EP1045047A1 (en) 2000-10-18
EP1045047B1 EP1045047B1 (en) 2003-05-14

Family

ID=11417728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000107736 Expired - Lifetime EP1045047B1 (en) 1999-04-15 2000-04-11 A device for expelling the vegetable impurities in a wool card

Country Status (4)

Country Link
EP (1) EP1045047B1 (en)
DE (1) DE60002629T2 (en)
ES (1) ES2195813T3 (en)
IT (1) IT1308803B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296382A (en) * 2011-09-16 2011-12-28 江苏省振新实业有限公司 Flow guiding device of combing machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB892111A (en) * 1958-10-23 1962-03-21 Walter Helvitio Schneider Improvements in or relating to carding machines for jute, jute substitute fibres, hemp and flax
FR2232626A1 (en) * 1973-06-07 1975-01-03 Schlumberger Cie N Morel type carding engine - includes main carding cylinder cooperating with card rolls and two trash removal rolls
EP0770715A1 (en) * 1995-10-27 1997-05-02 Commonwealth Scientific And Industrial Research Organisation Removal of contaminant waste in textile carding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB892111A (en) * 1958-10-23 1962-03-21 Walter Helvitio Schneider Improvements in or relating to carding machines for jute, jute substitute fibres, hemp and flax
FR2232626A1 (en) * 1973-06-07 1975-01-03 Schlumberger Cie N Morel type carding engine - includes main carding cylinder cooperating with card rolls and two trash removal rolls
EP0770715A1 (en) * 1995-10-27 1997-05-02 Commonwealth Scientific And Industrial Research Organisation Removal of contaminant waste in textile carding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296382A (en) * 2011-09-16 2011-12-28 江苏省振新实业有限公司 Flow guiding device of combing machine
CN102296382B (en) * 2011-09-16 2013-08-07 江苏省振新实业有限公司 Flow guiding device of combing machine

Also Published As

Publication number Publication date
DE60002629T2 (en) 2004-03-11
DE60002629D1 (en) 2003-06-18
ES2195813T3 (en) 2003-12-16
EP1045047B1 (en) 2003-05-14
ITTO990299A1 (en) 2000-10-15
IT1308803B1 (en) 2002-01-11

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