DE3132843A1 - Thread brake for low pull forces - Google Patents

Thread brake for low pull forces

Info

Publication number
DE3132843A1
DE3132843A1 DE19813132843 DE3132843A DE3132843A1 DE 3132843 A1 DE3132843 A1 DE 3132843A1 DE 19813132843 DE19813132843 DE 19813132843 DE 3132843 A DE3132843 A DE 3132843A DE 3132843 A1 DE3132843 A1 DE 3132843A1
Authority
DE
Germany
Prior art keywords
thread
brake according
thread brake
roll
elastic
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.)
Withdrawn
Application number
DE19813132843
Other languages
German (de)
Inventor
Erich 7993 Kressbronn Brosa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19813132843 priority Critical patent/DE3132843A1/en
Publication of DE3132843A1 publication Critical patent/DE3132843A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/16—Braked elements rotated by material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • B65H2555/11—Actuating means linear pneumatic, e.g. inflatable elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • B65H2555/13—Actuating means linear magnetic, e.g. induction motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to a thread brake for low pull forces, such as is used in the textile industry for the braking of very thin threads. In constrast to the known rotating thread brakes having rolling bearings, a special air mounting is provided here for mounting the thread roll. <IMAGE>

Description

Fadenbrernso für kleine SuFkrfte A thread burner for small visitors

Die vorliegende Erfindung betrifft ein Fadenbremse vorzugsweise für die Abbremsung von dünnsten Fäden in der Textilindustrie.The present invention relates to a thread brake preferably for the braking of the thinnest threads in the textile industry.

Einrichtungen dieser Art sind z. B. nach der GB - PS 9 98 987 und den deutschen Patenten 27 11 823 bzw. 27 52 019 sowie Anmeldung P 28 08 470 bekannt.Facilities of this type are z. B. according to GB - PS 9 98 987 and the German patents 27 11 823 and 27 52 019 and application P 28 08 470 known.

Diese bekannten rotierenden Fadenbremsen sind auf Wälzlagern gelagert, die aber für sehr geringe Fadenspannungen eine noch zu große Grundreibung besitzen und deren Fett schmierung bei Lagererwärmung unlconstante Reibwerte ergibt.These known rotating thread brakes are mounted on roller bearings, which, however, still have too great a basic friction for very low thread tensions and their grease lubrication results in inconsistent coefficients of friction when the bearings are heated.

Dieser Erfindung liegt die Aufgabe zugrunde, eine Fadenbremse zu schaffen, die für sehr feine Fäden genau definierte und konstante kleine Zugspannungen ab ca. 10 N erzeugt.This invention is based on the object of creating a thread brake, which is precisely defined and constant small tensile stresses for very fine threads approx. 10 N generated.

Die erfindungsgemäße Fadenbremse zeichnet sich dadurch aus, daß für die Lagerung der Fadenrolle eine spezielle Luftlagerung vorgesehen wird.The thread brake according to the invention is characterized in that for the storage of the thread reel is provided with a special air bearing.

Anhand der Abb. 1-3 wird die Erfindung im folgenden beispielhaft beschrieben.The invention is described below by way of example with the aid of FIGS. 1-3.

Abb, 1 zeigt einen Querschnitt durch die gesamte Fadenbremse.Fig. 1 shows a cross section through the entire thread brake.

Abb. 2 zeigt die bekannte Sonstruktion einer Fadenrolle mit inr Grunde eingelegtem Gummipolster das nach oben ausgerundet ist.Fig. 2 shows the well-known Sonstruktion of a thread roll with basic inserted rubber pad that is rounded upwards.

Abb. 3 ist eine Fadenrolle mit einem O-Ring, der mit hoher Vorspannung an den Flanken hängt.Fig 3 is a spool of thread with an O-ring that is pretensioned hangs on the flanks.

In Abb. 1 stellt 1 die rotationssymmetrische Fadenrolle dar. Der Luftschmierfilm entsteht bei Rotation des Trockenlagers 2 der Fadenrolle 1 auf der stehenden Welle 3 durch Selbstansaugen der Luft der, an geeigneter Stelle angeordnete, Bohrungen 4 der Welle 3. Die Luftlagerung 2-3 kann weiterhin durch einen zusätzlitzen Druckluftanschluf3 5 bei einem geringeii kurzzeitigen Vordruck im Trockeniager 2 schon einen Luftfilm beim Anfahren erhalten. Mit einem höheren, kurzen Luftdruckimpuls kann der rotierende Teil 1-2-2' achsial gegen eine stehende Scheibe 6, entgegen der Magnetkraft gepreßt werden, wodurch die Rotation z. B.In Fig. 1, 1 represents the rotationally symmetrical thread roll. The air lubricating film arises when the dry storage 2 of the thread roll 1 rotates on the standing shaft 3 by self-sucking the air of the holes arranged in a suitable place 4 of the shaft 3. The air bearing 2-3 can still be connected to an additional compressed air connection3 5 with a slight short-term pre-pressure in the drying store 2 already an air film received at start-up. With a higher, short pulse of air pressure, the rotating Part 1-2-2 'axially against a standing disk 6, pressed against the magnetic force be, whereby the rotation z. B.

bei Fadenbruch sofort gestoppt wird.is stopped immediately if the thread breaks.

Die achsiale Zugkraft der Magnete 7 wird durch die Spitze 8 einer Schraube 9 praktisc1l reibungsfrei aufgenommen, mit der sich auch der erforderliche Luftspalt 10 zwischen den Magneten 7 und der Bremsscheibe 11 einstellen läßt.The axial tensile force of the magnets 7 is through the tip 8 a Screw 9 was added practically without friction, with which the required Air gap 10 between the magnet 7 and the brake disc 11 can be adjusted.

ilei geringen Fadenzugspannungen niltzt auch eine bekannte Gummiein@@ge 2 im Rollengrund icic:Ii Abb. 2 nichts gegen das Rutschen des Fadens 13 in der Rolle. In Abb. 3 ist eine Methode dargestellt, bei der der faden 14 z. B. zwischen einem O-Ring 15 und einer Flanke 16 der Fadenrolle 1 geführt wird und der, infolge der Keilwirkung, auf keinen Fall durchrutschen kann.In the case of low thread tension, a well-known rubber band is also useful 2 in the roll base icic: Ii Fig. 2 nothing against the thread 13 slipping in the roll. In Fig. 3 a method is shown in which the thread 14 z. B. between a O-ring 15 and a flank 16 of the thread roll 1 is guided and, as a result of the Wedge effect, cannot slip through under any circumstances.

Hierbei können auch beide Flanken 16-16' dafür ausgenutzt werden. In Abb. 1 ist eine Flanke 17 der Fadenrolle 1 so ausgebildet, daß der O-Ring 15, der nicht unbedingt einen runden tuerschnitt haben muß, etwa zur Hälfte verdeckt ist (Einspurbetrieb). Bin radialer Schlitz 18 in dem Flankenteil 17 gestattet mit einem Messer den O-Ring 15 vor dem Wechseln aufzuschneiden.Both flanks 16-16 'can also be used for this purpose. In Fig. 1, a flank 17 of the thread roll 1 is designed so that the O-ring 15, which does not necessarily have to have a round door cut, about half covered is (single-track operation). A radial slot 18 in the flank part 17 is also permitted a knife to cut open the O-ring 15 before changing.

Claims (10)

PatentansVrüche 1 Fadenbremse für kleine Zugkräfte dadurch gekennzeichnet, daß zwischen der Achse (3) und der Fadenfalle (i) ein Gleitlager (2), vorzugsweise als Trockenlager, z. B. aus Kohle, eingebaut ist, dem als Schmiermittel Luft zugeführt wird oder bei Rotation selbsttätig in den Lagerspalt eingesaugt wird. Patent claims 1 thread brake for small tensile forces characterized that between the axis (3) and the thread trap (i) a sliding bearing (2), preferably as dry storage, e.g. B. made of coal, which is supplied with air as a lubricant or is automatically sucked into the bearing gap during rotation. 2 Fadenbremse nach Anspruch 1, dadurch gekennzeichnet, daß die achsiale Zugkraft der bekannten magnetischen Bremseinrichtung (7-11) durch ein achsial angeordnetes trockenes Drucklager, z. B. einer Rundung oder Spitze (8-9) aufgenommen wird und durch ein Gewinde einstellbar ist.2 thread brake according to claim 1, characterized in that the axial Tensile force of the known magnetic braking device (7-11) by an axially arranged dry thrust bearing, e.g. B. a rounding or tip (8-9) is added and is adjustable by a thread. 3 Fadenbremse nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Fadenrolle (i) mit einem elastischen O-Ring (15) aus Gummi oder einem gummiähnlichen Material so ausgelegt ist, daß der Faden (14) zwischen einer glatten Flanke (16) der Fadenrolle (i) und dem elastischen O-Ring (15) eingeklemmt wird und so die Fadenrolle (i) schlupffrei antreibt.3 thread brake according to claim 1 and 2, characterized in that the Thread roll (i) with an elastic O-ring (15) made of rubber or a rubber-like one Material is designed so that the thread (14) between a smooth flank (16) the thread spool (i) and the elastic O-ring (15) is pinched and so is the thread spool (i) propels non-slip. 4 Fadenbremse nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die andere Flanke (17) der Fadenrolle (i) so ausgebildet ist, daß sie den elastischen O-ing (15) teilweise so überdeckt, daß der Faden (14) nur an einer Flanke (16) laufen kann.4 thread brake according to claim 1 to 3, characterized in that the other flank (17) of the thread roll (i) is designed so that it is the elastic O-ing (15) partially covered so that the thread (14) only run on one flank (16) can. 5 Fadenbremse nach Anspruch 1 bis 4,dadurch gekennzeichnet, daß ein Anschlag (6) ein Abziehen der Fadenrolle (i) von der Achse (3) entgegen der Zugkraft der Magnete (7) verhindert.5 thread brake according to claim 1 to 4, characterized in that a Stop (6) pulling off the thread roll (i) from the axis (3) against the tensile force the magnets (7) prevent. 6 Fadenbremse nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß die Fadenrolle (i) mindestens einen Schlitz (18) hat, um den elastischen O-ning (15) durch einen Messerschnitt auftrennen zu l;innen.6 thread brake according to claim 1 to 5, characterized in that the The thread roll (i) has at least one slot (18) to allow the elastic O-ning (15) Cut open with a knife cut to the inside. 7 Fadenbremse nach Anspruch 1 bis 6, dadurch gekennzeichnet, daß der O-Ring (15) unter verhältnismäßig hoher Spannung in den Ielanken (16) der Nut hängt, 7 thread brake according to claim 1 to 6, characterized in that the O-ring (15) under relatively high tension in the Ielanks (16) of the groove hangs, 8 Fadenbremse nach Anspruch 1 bis 7, dadurch gekennzeichnet, daß die Magnete (7) ohne Kleben oder andere Halter magnetisch selbsthaltend und wechselbar in den Halter (19) eingelegt sind.8 thread brake according to claim 1 to 7, characterized in that the magnets (7) Magnetically self-holding and exchangeable in the without glue or other holders Holders (19) are inserted. 9 Fadenbremse nach Anspruch 1 bis 8, dadurch gekennzeichnet, daß sich die rotierende Fadenrolle (1) mit (2-2') durch einen starken Luftdruckimpuls achsial verschieben und gegen eine stehende Scheibe (6) schnell stoppen läßt. 9 thread brake according to claim 1 to 8, characterized in that the rotating thread spool (1) with (2-2 ') by a strong air pressure pulse Can move axially and stop quickly against a stationary disc (6). 10 Fadenbremse nach Anspruch 1 bis 9 dadurch gekennzeichnet, daf3 mit einem verhältnismäßig schwachen, länger wirkenden Luftdruck, durch Erzeugung eines Luftfilms zwischen Achse (3) und Lager (2) die anfängliche Trockenreibung verhindert und somit das Anfaliren erleichtert wird0 11 Fadenbremse nach Anspruch 1 bis 10, dadurch gekennzeichnet, daß die Achse (3) einen Luftanschluß (5-5') besitzt für die Zuführung der Ansaug- bzlr. Druckluft.10 thread brake according to claim 1 to 9, characterized in that daf3 with a relatively weak, longer-acting air pressure, through generation an air film between axle (3) and bearing (2) the initial dry friction prevented and thus making it easier to start up 0 11 Thread brake according to claim 1 to 10, characterized in that the axle (3) has an air connection (5-5 ') for the supply of the suction or Compressed air.
DE19813132843 1981-08-20 1981-08-20 Thread brake for low pull forces Withdrawn DE3132843A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813132843 DE3132843A1 (en) 1981-08-20 1981-08-20 Thread brake for low pull forces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813132843 DE3132843A1 (en) 1981-08-20 1981-08-20 Thread brake for low pull forces

Publications (1)

Publication Number Publication Date
DE3132843A1 true DE3132843A1 (en) 1983-04-07

Family

ID=6139672

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813132843 Withdrawn DE3132843A1 (en) 1981-08-20 1981-08-20 Thread brake for low pull forces

Country Status (1)

Country Link
DE (1) DE3132843A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547805A1 (en) * 1983-06-21 1984-12-28 Saurer Ag Adolph GUIDE-WIRE GALET EQUIPPING THE WIRE FEED DEVICE IN A TEXTILE MACHINE
FR2558813A1 (en) * 1984-01-31 1985-08-02 Palitex Project Co Gmbh DEVICE FOR MODIFYING THE TENSION STRENGTH OF A CIRCULATING WIRE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547805A1 (en) * 1983-06-21 1984-12-28 Saurer Ag Adolph GUIDE-WIRE GALET EQUIPPING THE WIRE FEED DEVICE IN A TEXTILE MACHINE
DE3414729A1 (en) * 1983-06-21 1985-01-17 Aktiengesellschaft Adolph Saurer, Arbon THREAD GUIDE
FR2558813A1 (en) * 1984-01-31 1985-08-02 Palitex Project Co Gmbh DEVICE FOR MODIFYING THE TENSION STRENGTH OF A CIRCULATING WIRE

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OP8 Request for examination as to paragraph 44 patent law
8130 Withdrawal