EP0307326B1 - Drehzylinder mit Stiften für eine Textilmaschine, einen Öffner, Zerfaserungs-, Reiss-Maschine oder ähnliches - Google Patents

Drehzylinder mit Stiften für eine Textilmaschine, einen Öffner, Zerfaserungs-, Reiss-Maschine oder ähnliches Download PDF

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Publication number
EP0307326B1
EP0307326B1 EP88420295A EP88420295A EP0307326B1 EP 0307326 B1 EP0307326 B1 EP 0307326B1 EP 88420295 A EP88420295 A EP 88420295A EP 88420295 A EP88420295 A EP 88420295A EP 0307326 B1 EP0307326 B1 EP 0307326B1
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EP
European Patent Office
Prior art keywords
screw
cylinder
drum
slug
drum according
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.)
Expired - Lifetime
Application number
EP88420295A
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English (en)
French (fr)
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EP0307326A1 (de
Inventor
Robert Laroche
André Morel
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.)
CONSTRUCTIONS MECANIQUES F LAROCHE AND FILS
Original Assignee
CONSTRUCTIONS MECANIQUES F LAROCHE AND FILS
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Publication date
Application filed by CONSTRUCTIONS MECANIQUES F LAROCHE AND FILS filed Critical CONSTRUCTIONS MECANIQUES F LAROCHE AND FILS
Publication of EP0307326A1 publication Critical patent/EP0307326A1/de
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Publication of EP0307326B1 publication Critical patent/EP0307326B1/de
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Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers
    • 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
    • D01G19/10—Construction, mounting, or operating features of combing elements
    • D01G19/105—Combing cylinders

Definitions

  • the present invention relates to a rotary drum with spikes of a new type, of the kind used in textile machines such as openers, frayers or defibrators.
  • Such a machine comprises one or more successive drums over which textile materials are passed, either with a view to opening virgin fibers, or with a view to reproducing fibers from waste.
  • drums To treat these fibers and waste, known machines include one or more successive drums, depending on the degree of refinement desired. These drums are generally provided with points or needles, with a round or oblong section, mounted in metal, wooden or plastic supports, called “staves". Each moat thus comprises a more or less curved plate, on the outside of which project the tips or teeth of the drum. These staves are mounted on the periphery of a cylinder or rotor, the assembly constituting the drum.
  • each screw is engaged through the moat, then through a perforation located opposite in the cylinder where it penetrates from the outside to the inside.
  • the screw head rests on the plate of the moat, while its threaded rod protrudes inside the cylinder, where a tightening nut is put in place.
  • fairly large openings must be provided in the reinforcement flanges located at the two ends of the cylinder, in order to allow the operator to pass the arm through these openings to reach the internal wall of the cylinder where be put in place each nut.
  • Document DE-A-2 544 291 describes a drum of this type, in which the fixing of the staves to the drum cylinder is carried out by means of T-sections arranged between two adjacent staves and provided with regularly spaced threaded rods intended to pass through the orifices provided in said cylinder and onto which are tightened tightening nuts from the interior of the drum.
  • a fraying drum with a diameter of one meter and a length of one meter commonly comprises three hundred and forty fixing screws for the staves. These constitute wearing parts that are necessary to change, approximately every 800 hours of operation. This frequency of exchange is further increased if the textile waste to be frayed is likely to contain foreign bodies which deteriorate the tips of the drum.
  • the present invention aims to avoid these drawbacks, and to facilitate the assembly and disassembly of the staves on a drum of a textile machine such as, for example, a shredder, an opener, a frayer, a grader, a carder or the like.
  • the invention aims to make this device on a moat made of any material, whether it is wood, plastic or metal.
  • the invention aims to facilitate the change of staves, even on a drum of small diameter and long axial length. For example, it allows, without difficulty, to equip a drum whose working width would be of the order of two meters, even if its diameter was not greater than fifty centimeters.
  • a drum according to the invention comprises a perforated cylinder, on the periphery of which are distributed longitudinal moats provided with points and the base plate of which is crossed by openings, each of which lets through, from the outside to the inside, the threaded rod of a screw, the head of which remains outside the drum, and it is characterized in that, against the inside periphery of the cylinder, are distributed longitudinal bars, each of which is pierced with several tapped holes, designed to receive the screwing of the corresponding ends of the screws engaged and controlled from the outside.
  • each bar has substantially the same length as the drum cylinder, so that each bar can be slid inside the drum, from the ends thereof, without ever having to engage the arm inside the cylinder.
  • the flanges provided at the ends of the cylinder are not perforated: it suffices to provide, on the periphery of each of them, small openings through each of which one slides one of the bars of screwing.
  • the tapped holes of a bar are aligned, parallel to the corresponding generator of the cylinder.
  • the external openings are each cut astride the bases of two adjacent staves, so that each head of a screw is supported at the same time on two adjacent bases.
  • each screw is completed by a pin of which it passes through the central part, while this pin defines an enlarged flange on either side of the head of the screw.
  • the collar of each pin is circular.
  • the enlarged collar of each pin is made locally narrower by two parallel flats between them, located on either side of the screw head; in this case, each opening cut astride two adjacent bases has a substantially rectangular shape, the length of which is greater than or equal to the largest diameter of the collar of a pawn, while its width is equal, apart from play, to the distance separating the two flats of the collar.
  • This arrangement is particularly advantageous because, to release a screw and its flange, it suffices to unlock the screw and rotate the pin 90 °, in one direction or the other: it is not necessary to completely unscrew the screw and extract them, to be able to dismantle the moats.
  • Figure 1 is an exploded view showing in perspective the cylinder, the flanges, and one of the threaded bars of a drum according to the invention.
  • Figure 2 is a detail view in partial section, showing, in perspective, the attachment of two adjacent moats.
  • Figure 3 is an end view showing a moat whose bases are arranged side by side longitudinally on the wall of the cylinder.
  • Figure 4 is a similar view after assembly of the end flanges and implementation of the threaded bars.
  • Figure 5 is a partial view showing the detail of a screw cooperating with a pin.
  • Figure 6 is an exploded view in the case where each screw is equipped with a fixed circular pin.
  • Figure 7 is a similar view, when it is a rotating pin to flats.
  • Figure 8 is a plan view illustrating the rotation maneuver of the flat pin.
  • Figure 9 shows this pawn after its installation.
  • FIG. 1 shows a cylinder 1, provided, at each of its two ends, with a transverse flange 2.
  • Each flange according to the invention is pierced with a central hole 3, and with a series of notches peripherals 4.
  • a longitudinal bar 6 is slipped inside the cylinder 1 (direction of the arrow 5), the length of which is substantially equal to the axial length 7 of the cylinder 1.
  • each tapped hole 8 is located opposite a smooth hole 9, drilled in the thickness of the cylinder 1.
  • a moat 10 is applied, each of which comprises a base plate 11 equipped with a series of points 12 which surmount it.
  • Each base 11 is arranged longitudinally on the outside of the cylinder 1, and it comprises, cut along its two longitudinal sides 13, a row of half-notches 14.
  • each half-notch 14 is placed coaxially above a hole 9 of the cylinder 1, and, consequently, above a tapped hole 8 of a bar 6.
  • the half-notches 14 have a semi-circular profile (in the case of FIGS. 2, 5 and 6)
  • two half-notches 14 located face to face define a circular smooth hole.
  • each pin 18 is provided, in its center, with a bore 21 through which the threaded rod 17 passes.
  • each screw 15 cooperates with a pin 22.
  • this has a foot 20 surmounted by an enlarged collar 19, but the latter is made locally narrower (width 23, less than the diameter 24) by the presence of two flats 25.
  • the length 27 of each half-opening 26 is greater than or equal to the diameter or equal to the diameter 24, while its width 28 is substantially equal to half the width 23.
  • each pair of half-openings 26 therefore defines a rectangular opening of length 27 and width 29, greater than or equal to the distance 23. Consequently, if the two flats 25 are oriented parallel to the length 27 (position in broken lines 30, in Figure 8), each moat can be extracted without being hindered by the collar 19 (case of Figure 7). On the contrary, if the bases 11 are in place and it is desired to block the staves on the cylinder 1, it suffices to rotate each pin 22 by 90 ° (position 22 illustrated in solid lines in FIG. 8): the flange 19 then overflows on the bases 11 which it clamps and holds in place after simple tightening of the screw 15.
  • a locking washer 31 is advantageously provided under the screw head 16, which is also embedded in the thickness of the pin 18 or 22.

Landscapes

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

Claims (10)

1. Reißtrommel für Textilmaschinen mit einem perforierten Zylinder (1), auf dessen Außenfläche Längsdauben (10) mit Spitzen (12) verteilt sind und deren Bodenplatten (11) Öffnungen besitzen, durch die von außen nach innen hin der Gewindeschaft (17) einer Schraube (15) eingeführt wird, deren Kopf (16) außerhalb der Trommel (1) bleibt, dadurch gekennzeichnet, daß auf der Innenseite der Trommel (1) in Längsrichtung Stäbe (6) verteilt sind, von denen jeder mehrere Gewindebohrungen (8) aufweist, in die von außen die Enden der entsprechenden Schrauben (15) eingeführt und festgedreht werden.
2. Trommel nach Patentanspruch 1, dadurch gekennzeichnet, daß jeder der Stäbe (6) weitgehend dieselbe Länge (7) wie der Trommelzylinder (1) aufweist, sodaß jeder Stab vom Ende der Trommel her in diese eingeschoben werden kann, ohne den Arm in das Zylinderinnere einführen zu müssen.
3. Trommel nach einem beliebigen der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß die an Enden der Trommel (1) vorgesehenen Flansche (2) nicht durchbrochen sind, sondern an der Außenseite kleine Öffnungen (4) besitzen, durch die jeweils einer der zur Verschraubung vorgesehenen Stäbe (6) in die Trommel eingeschoben wird.
4. Trommel nach einem beliebigen der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß die Gewindebohrungen (8) in den Stäben (6) parallel zur entsprechenden Mantellinie des Zylinders (1) angeordnet sind.
5. Trommel nach einem beliebigen der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß die äußeren halbkreisförmigen Aussparungen (14, 26) auf der Außenkante der Sockelplatten (11) von je zwei aneinanderliegenden Dauben (10) angebracht sind, sodaß jeder Kopf (16) einer Schraube (15) auf jeder der beiden aneinanderliegenden Sockelplatten (11) aufliegt.
6. Trommel nach einem beliebigen der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß jede Schraube (15) durch einen Pion (18, 22) ergänzt ist, in dessen Mitte sie durchgeführt wird, während der Pion um den Kopf (16) der Schraube (15) herum einen erweiterten Flansch (19) bildet.
7. Trommel nach einem beliebigen der vorstehenden Patentansprüche, dadurch gekennzeichnet, daß der Flansch (19) jedes Pions (18) kreisförmig ist.
8. Trommel nach Patentanspruch 6, dadurch gekennzeichnet, daß der Flansch (19) jedes Pions (22) teilweise verengt ist, wobei durch zwei parallel zueinander verlaufende Flachseiten (25) links und rechts des Kopfes (16) der Schraube (15) eine Breite (23) entsteht und dadurch die beiden auf je zwei aneinanderstoßenden Sockelplatten (11) ausgeschnittenen Öffnungen eine weitgehend rechteckige Form haben, deren Längsseite (26) größer oder gleich dem größeren Durchmesser (24) des Flansches (19) eines Pions (22) ist, während ihre Querseite (29) auf das Spiel genau mit dem Abstand (23) übereinstimmt, der der die beiden Flachseiten (25) des Flansches trennt.
9. Trommel nach Patentanspruch 8, dadurch gekennzeichnet, daß zu Freisetzen der Schraube (15) und des Flansches (19) lediglich die Schraube (15) gelöst und der Pion (22) in beliebiger Richtung um 90° gedreht werden braucht, ohne zum Ausbauen der Dauben (10) die Schrauben (15) vollkommen lösen und herausnehmen zu müssen.
10. Trommel nach einem beliebigen der vorstehenden Patentansprüch, dadurch gekennzeichnet, daß der Kopf (16) der Schraube (15) in dem Pion (18, 22) versenkt ist.
EP88420295A 1987-09-02 1988-09-01 Drehzylinder mit Stiften für eine Textilmaschine, einen Öffner, Zerfaserungs-, Reiss-Maschine oder ähnliches Expired - Lifetime EP0307326B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8712706A FR2619829A1 (fr) 1987-09-02 1987-09-02 Tambour rotatif a pointes, pour une machine textile, ouvreuse, defibreuse, effilocheuse, ou analogue
FR8712706 1987-09-02

Publications (2)

Publication Number Publication Date
EP0307326A1 EP0307326A1 (de) 1989-03-15
EP0307326B1 true EP0307326B1 (de) 1992-04-29

Family

ID=9354870

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88420295A Expired - Lifetime EP0307326B1 (de) 1987-09-02 1988-09-01 Drehzylinder mit Stiften für eine Textilmaschine, einen Öffner, Zerfaserungs-, Reiss-Maschine oder ähnliches

Country Status (5)

Country Link
US (1) US5113559A (de)
EP (1) EP0307326B1 (de)
DE (1) DE3870557D1 (de)
FR (1) FR2619829A1 (de)
WO (1) WO1989002000A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914543A1 (de) * 1989-05-02 1990-11-08 Rieter Ag Maschf Arbeitsspitzen aufweisende zylinderwalze fuer eine textilmaschine
IT8985637A0 (it) * 1989-08-23 1989-08-23 Giuseppe Gasparotto Sistema di fissaggio delle doghe sui cilindri di macchine sfilacciatrici.
US5814390A (en) 1995-06-30 1998-09-29 Kimberly-Clark Worldwide, Inc. Creased nonwoven web with stretch and recovery
US6919404B2 (en) * 2002-05-31 2005-07-19 Elsicon, Inc. Hybrid polymer materials for liquid crystal alignment layers
FR2970274B1 (fr) 2011-01-11 2015-03-27 Blanchisserie Ind Du Ct Isolant thermique et phonique a partir de matieres textiles recyclees
RS55187B1 (sr) * 2011-01-31 2017-01-31 Rockwool Int Postupak i uređaj za uklanjanje sačme iz materijala od mineralnih vlakana
JP5939240B2 (ja) * 2013-12-12 2016-06-22 株式会社豊田自動織機 コーマにおけるコーミングシリンダ
CH711514A1 (de) * 2015-09-11 2017-03-15 Graf + Cie Ag Rundkamm einer Kämmmaschine mit einem Gewindebolzen.
CH711515A1 (de) * 2015-09-11 2017-03-15 Graf + Cie Ag Rundkamm mit einem Befestigungselement.
FR3053981B1 (fr) 2016-07-13 2019-09-06 Van Robaeys Freres Procede de traitement du lin, bourre de lin et fibre de lin

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US243171A (en) * 1881-06-21 Joseph m
US417566A (en) * 1889-12-17 Norman knowles and william philipson
US1529826A (en) * 1924-05-31 1925-03-17 Horace G Alexander Picker cylinder for rag-picking machinery
BE361415A (de) * 1928-01-16
US2193528A (en) * 1939-02-09 1940-03-12 William Crabb & Company Laminated lag for shoddy picker cylinders
US2261452A (en) * 1939-10-03 1941-11-04 William Crabb & Company Picker lag and pin
DE859253C (de) * 1950-01-31 1952-12-11 Nicolaus Fabry Trockenzylinder mit von einem Arbeitsmittel durchstroemtem Hohlmantel, insbesondere fuer Papiermaschinen
BE532865A (de) * 1953-10-28
DE2544291A1 (de) * 1975-10-03 1977-04-14 Augsburger Textilmaschf Tambour fuer eine reissmaschine
CH635137A5 (de) * 1979-02-16 1983-03-15 Burckhardt Christoph Ag Zirkularkamm fuer baumwoll- oder wollkaemmaschine.

Also Published As

Publication number Publication date
FR2619829A1 (fr) 1989-03-03
EP0307326A1 (de) 1989-03-15
US5113559A (en) 1992-05-19
DE3870557D1 (de) 1992-06-04
WO1989002000A1 (fr) 1989-03-09

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