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US2694230A - Supporting and weighting device for the top rolls of textile drawing mechanisms - Google Patents

Supporting and weighting device for the top rolls of textile drawing mechanisms Download PDF

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Publication number
US2694230A
US2694230A US261304A US26130451A US2694230A US 2694230 A US2694230 A US 2694230A US 261304 A US261304 A US 261304A US 26130451 A US26130451 A US 26130451A US 2694230 A US2694230 A US 2694230A
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US
United States
Prior art keywords
supporting
guide arm
rolls
spring
pin
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
US261304A
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English (en)
Inventor
Dausch Erwin Friedrich
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.)
Vereinigte Kugellagerfabriken AG
Original Assignee
Vereinigte Kugellagerfabriken 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 Vereinigte Kugellagerfabriken AG filed Critical Vereinigte Kugellagerfabriken AG
Application granted granted Critical
Publication of US2694230A publication Critical patent/US2694230A/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
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/46—Loading arrangements
    • D01H5/50—Loading arrangements using springs
    • D01H5/505—Loading arrangements using springs for top roller arms

Definitions

  • DAUscH 2,694,230 SUPPORTING AND WEIGHTTNO DEVICE FOR TEE TOR ROLLS OE TEXTILE DRAWING NEOHANIsMs 5 Sheets-Sheet 5 United States Patent() SUPPORTING AND WEIGHTING DEVICE FOR THE TOP ROLLS OF TEXTILE DRAWING MECH- ANISMS Erwin Friedrich Dausch, Esslingen, Germany, assignor to discloseak Kugellagerfabriken Aktiengesellschaft, Schweinfurt, Germany, a company of Germany
  • This invention relates to a supporting device having weighted guide arms for the top rolls of drawing mechanisms as used in textile machines, the guide arms being preferably weighted from above.
  • the supporting devices of the kind referred to include the supporting means proper that extend over the drawing zone, and guide arms pivotally mounted on supporting pins or the like to hold the shafts of the pairs of top rolls between the rolls so that lateral guide cheeks may be dispensed with.
  • My present invention has for one of its objects to simplify such supporting and weighting devices, particularly as far as guide arms and supporting springs are concerned.
  • my invention aims at the irnprovement of the known supporting and weighting devices with respect to their practical application.
  • this invention is primarily concerned with economizing production and operation costs by savings in the weight of materials used, by facilitating the insertion and removal of the rolls in case of breakdowns, and by providing a pivotal and pendulum-like suspension of the guide arms by means of supporting pins or similar means arranged in the supporting unit.
  • Fig. 1 is a longitudinal cross section through a portion of a supporting device embodying features of my invennon;
  • Fig. 2 is a side view viewed in the direction of the arrow indicated in Fig. 1, also fragmentarilyy illustrating a pair of top rolls and the shaft carrying the rolls.
  • Fig. 3 is a cross section taken in the plane of the line 3-3 of Fig. l;
  • Fig. 4 shows a longitudinal cross section through a portion of a modified supporting device in its operating position, a pair of top rolls and a pair of bottom rolls being also indicated;
  • Fig. 5 is a fragmentary longitudinal cross section through another modification of a supporting device
  • Fig. 6 is a cross section taken approximately in the plane of the line 6-6 of Fig. 5, also indicating a top roll;
  • Fig. 7 is a cross section taken approximately in the plane of the line 77 of Fig. 6; p
  • Fig. 8 shows a medial longitudinal cross section through the pivotal end of a guide arm
  • Fig. 9 is a plan view of the pivotal end of the guide arm of Fig. 8.
  • Fig. 10 is a longitudinal cross section through the front end of a further modification of a supporting device
  • Fig. ll is a cross section taken in the plane of the line 11-11 of Fig. l0;
  • Fig. l2 is a cross section through the free end of a guide arm
  • Fig. 13 is a plan view of the guide arm of Fig. 12.
  • a supporting pin 2 that bears the saddleshaped end of a guide arm 4.
  • the mid- 2,694,230 Patented Nov. 16, 1954 ICC dle portion of the saddle surface is bent inwardly and contacts the supporting pin 2 along a circular line.
  • the free end of the guide arm 4 that carries the top roll shaft 36 (see Fig. 2) is formed as a half sleeve 5 provided withfolded-away projections or fiaps 6 for inserting a preloaded retaining or supporting spring 7, the curved portion 38 of which bearsagainst the shaft 36 fitted into the half sleeve 5.
  • the shaft has mounted thereon two top rolls 39.
  • Wing-shaped sections of the guide arm are bent upwardly and combined to a bracket 8 which presses against a stop pin 9 when the supporting unit 1 is raised, thus preventing the guide arm 4 from tilting out.
  • the supporting spring 7 is vso inserted into the guide arm 4 with respect to the latters abutment like free end 5 that its line of force does not coincide with the direction of the pressure exerted by the loading spring 11 which is'
  • the saddle suspension of the guide arm 4 on the supporting pin 2 makes possible a pendulum-like setting of the top rolls, carried by the guide arm, parallel to the axis of the bottom rolls.
  • the free end of the guide arm 45 is given the shape of a half sleeve designated 51.
  • the half sleeve is provided with openings and bent portions to receive the supporting spring 57, such openings and bent portions being also shown in Fig. 5.
  • the free end of the guide arm 43 is given the same shape as shown in Fig. 4.
  • the half sleeve 35 is provided with openings 20 and end portions 21 for the insertion of the spring 37.
  • the spring 57 (Fig. 4) andf37 (Fig. 5) bears on the top roll shaft. Both the supporting spring 57 and the supporting spring 37 is inserted in such a manner as to be relieved of any pressure exerted by the weighting means.
  • a top roll is designated 40, and a bottom roll is identified by 41.
  • the end of the guide arm that is mounted on the supporting pin 2 of the supporting unit 1 is formed as a claw, whereby three essentially semicircular fingers 14, 15and 16 encompass the pin 2 alternately from above and below.
  • the fingers will be provided in such a manner that the two outer fingers 14 and 16 encircle the pin from above, whereas the middle finger 15 will contact the pin 2 (from below (see Figs. 5 and 6). To prevent any play due to possible wear and tear, the fingers will encompass the pin with elastic tensional adherence.
  • a swinging and at the same time pendulum-like suspension of the guide arm on the supporting pin 2 is obtained with an arrangement of the fingers as shown in the suspension system of Figs. 8 and 9, whereby the middle finger 1S surrounds the supporting pin from above and the fingers 14 and 16 bear against the supporting pin from below.
  • the middle finger 1S surrounds the supporting pin from above and the fingers 14 and 16 bear against the supporting pin from below.
  • some play is left beweenthe lower fingers and the supporting pin to ⁇ facilitate the alignment and to form the cylindrical contact surface of the upper finger to yield a slight clearance, within the range of the root of the finger.
  • the guide arm is partially widened in such a manner that its projecting surfaces 17 (see Figs. 5, 6 and 7) contact inwardly folded edges 18 or the like of the lateral walls 19 of the supporting unit 100 if the latter is lifted.
  • Fig. l0 I again provide a saddle 'type mounting 3 of the guide arm 44 on the supporting pin 2.
  • the guide arm has two studs 50 to support the weighting springs 11 between which is arranged, on the bottom sideof the' g'uid arm, theabutment 55 which forms a half sleeveand holds -thesupporting spring 47.V
  • the supporting unit 101 is provided at the forward end with a downwardly directed wall 23 which in turn is provided with aninwardlyb'ent'edge'zz.
  • the freefend 'of' theguidefar-m 34 has a keylike bentup extension 26, andV theV supporting spring Z7, that is semicircular in its supporting portionand the initial tension of which is increased by providingthe'bends 28 in its prole, carries an-'extension'29 arranged at an angle to theI keylikef-extensionrrZ ofthe .guide arm.
  • the extension IZ9-se ⁇ rves2as a ⁇ handle which, upon being depressed towardsY the extension 26,'.easily' sets free the top roll shaft with? the top-rolls.
  • the top portion of-'the retaining spring '27 that may, for example, be fastenedY totheguidefarml by means of rivets Sil-will contact the bight portion 31 of the guide arm, thus preventing anyundue strain onthe retaining spring.
  • a'cup 33inay be formed to hold the weightingsprings (not shown).
  • Fibre liiow usually occurs from the suspension end to the free end of the guide arm.
  • the guide arm may also be assembled to havethe-tibre flowing in the opposite direction.1
  • the guide arm consists of .a preferably single profiled body form ing the lower support of the weighting means, whereby one end of the'guide' arm encompasses ina pivotal way a carrier' pin 'or a similar member fastened to the supporting unit.
  • the bottom' of' the guide arm is tted with a supporting spring that is'preferably inserted in "an abutment and designed to'hold the shaft of the top rolls.
  • the supporting spring is preferably so mounted on the guide arm, with respect to the abutmentlike free end of the latter, that the line ofA contact between the'spring and the shaft of thetop roll lies onsuch portion of the cylindrical sur face of the top rollsshaft as is opposite to the bottom roll. This prevents :any unfavorable influence of the pressure forces exertedbythe loading spring upon the supporting spring.
  • the guide arm may consist, according to the invention, of an embossed and punched piece, such as a profiled sheet metal piece; adie-cast ⁇ bodyg'or a proled body made of plastic material that' ⁇ is"deforma'ble when hot.
  • a supporting unit extends over 'at least one pair of top rolls and a shaft is provided for each existingpair of top rolls, at least a single guide arm, atleast a single guide arm support secured to said-unit, resilient loading means, and at least a ysingle supporting spring, said guide arm supporting said loading means,'one end'of the Vguide arm being pivoted on the guide-arm support, the guide arm forming near its other or free end an abutment, said supporting spring 'ittingiri the abutine'ntandholding the said shaft.
  • a pin serving as said guide. arm support said end of the guide arm being saddle-shaped and at the same time shaped so as to at least partly enclose the supporting pin for swinging motion of the guide arrn.
  • said saddle surface being medially inwardly-curved and contactingxthe supporting pin along a circular line.
  • a pin serving as said guide arm support said pivoted end of the guide arm being claw-shaped, the fingers of the claw alternately enclosing the supporting pin from above and below.
  • said pivotal end of the guide arm being formed to contact the guide arm support for a swinging fand a pendulum-like motion. of the guide arm.
  • the supporting unit havingin cross. sectionand operating position the shape of an inverted U, the guide arm'being provided on the side looking'towardthe web of the U with at least one stud to support at least one weighting spring serving as said loading means', .theweighting spring .bearing against the web'of the U.
  • a stop pin being p'rovided'in the'supporting Unit, the guide arm being pro-A vided withwings adapted to strike against the stoppin when'said unit is liftedyand thus to prevent falling-out of the 'guidearm fromthe'supporting unit.
  • the abutment having. the-shapeof .a 'half sleeve and being provided with flaps', the -supporting'spring being shaped and arranged to ⁇ bear upon said iiaps. ⁇
  • the' supporting unit having in cross'sectionfand 'operating position the shape of a channel of inverted U-form, said channel beingprovided at thev forwardend with a downwardly directed wall, the'said Ywall having an inwardly bent edge, the guide arm terminating at the forward end in an upwardly extending portion having an outwardly directed edge, theiatter edge resting upon the former'edge when the drawing mechanism isi unloaded.
  • the guide arm having at the free end a keylike extension, the supporting's'pring forming. a sernicircular support portion and terminating in an extension-forming an acute angle with the first named ⁇ extension and serving as'a handle.
  • the device V accordingingto claim 1, the supporting spring having acurved portion, said portion bearing against the shaft.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Treatment Of Fiber Materials (AREA)
US261304A 1950-12-21 1951-12-12 Supporting and weighting device for the top rolls of textile drawing mechanisms Expired - Lifetime US2694230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2694230X 1950-12-21

Publications (1)

Publication Number Publication Date
US2694230A true US2694230A (en) 1954-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
US261304A Expired - Lifetime US2694230A (en) 1950-12-21 1951-12-12 Supporting and weighting device for the top rolls of textile drawing mechanisms

Country Status (5)

Country Link
US (1) US2694230A (xx)
BE (1) BE507608A (xx)
FR (1) FR1054179A (xx)
GB (1) GB735022A (xx)
NL (1) NL87391C (xx)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758340A (en) * 1955-02-14 1956-08-14 Saco Lowell Shops Drafting mechanism
US2811751A (en) * 1955-04-14 1957-11-05 Spinnerei Karl Marx Veb Drawing frame for a spinning machine
US2819497A (en) * 1954-04-07 1958-01-14 S K F Kugellagerfabriken G M B Adjusting means for textile drawing mechanisms
US2865057A (en) * 1952-12-24 1958-12-23 Textile Engineering Corp Top roll guides
US2867852A (en) * 1954-12-19 1959-01-13 Dausch
DE1068161B (de) * 1960-03-24 SKF Kugellagerfabriken Gesellschaft mit beschränkter Haftung, Schweinfurt Oberwalzen-Trag- und Belastungsarm für Spinnereimaschinen-Streckwerke
DE1104407B (de) * 1958-09-23 1961-04-06 Wuerttembergische Spindelfabri Oberwalzen-Trag- und Belastungsarm fuer Spinnereimaschinen-Streckwerke
US3079648A (en) * 1957-08-26 1963-03-05 Rieter Ag Maschf Top roller holder
US3091814A (en) * 1957-03-29 1963-06-04 Skf Kugellagerfabriken Gmbh Textile drafting mechanism
US3212139A (en) * 1961-06-29 1965-10-19 Skf Kugellagerfabriken Gmbh Drawing mechanism for a spinning machine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960705C (de) * 1954-09-05 1957-03-28 Spinnereimaschb Karl Marx Stad Oberwalzen-Tragarm fuer Spinnmaschinen-Streckwerke
DE1019591B (de) * 1954-12-03 1957-11-14 Rudi Nebich Oberwalzen-Trag- und -Belastungsarm fuer Spinnmaschinenstreckwerke
DE1087496B (de) * 1958-12-23 1960-08-18 Skf Kugellagerfabriken Gmbh Oberwalzen-Trag- und Belastungsarm fuer Spinnereimaschinen-Streckwerke mit einzeln belasteten, die Oberwalzen aufnehmenden Fuehrungsarmen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2100139A (en) * 1935-01-12 1937-11-23 Honda Kikutaro Apparatus for giving drafts to cotton slivers
US2306849A (en) * 1939-11-24 1942-12-29 Toenniessen Ernst Drawing frame with adjustable holder for the pressure rollers
US2492082A (en) * 1946-02-11 1949-12-20 Burlington Mills Corp Weighting and unweighting device for drafting rolls
US2508964A (en) * 1947-03-19 1950-05-23 Rieter Joh Jacob & Cie Ag Naegeli
US2597850A (en) * 1949-05-26 1952-05-27 Wilson Lewith Attenuating apparatus
US2601705A (en) * 1952-07-01 Stahlecker
US2644988A (en) * 1949-11-16 1953-07-14 Tmm Research Ltd Means for supporting and loading the top rollers of textile drafting apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601705A (en) * 1952-07-01 Stahlecker
US2100139A (en) * 1935-01-12 1937-11-23 Honda Kikutaro Apparatus for giving drafts to cotton slivers
US2306849A (en) * 1939-11-24 1942-12-29 Toenniessen Ernst Drawing frame with adjustable holder for the pressure rollers
US2492082A (en) * 1946-02-11 1949-12-20 Burlington Mills Corp Weighting and unweighting device for drafting rolls
US2508964A (en) * 1947-03-19 1950-05-23 Rieter Joh Jacob & Cie Ag Naegeli
US2597850A (en) * 1949-05-26 1952-05-27 Wilson Lewith Attenuating apparatus
US2644988A (en) * 1949-11-16 1953-07-14 Tmm Research Ltd Means for supporting and loading the top rollers of textile drafting apparatus

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068161B (de) * 1960-03-24 SKF Kugellagerfabriken Gesellschaft mit beschränkter Haftung, Schweinfurt Oberwalzen-Trag- und Belastungsarm für Spinnereimaschinen-Streckwerke
US2865057A (en) * 1952-12-24 1958-12-23 Textile Engineering Corp Top roll guides
US2819497A (en) * 1954-04-07 1958-01-14 S K F Kugellagerfabriken G M B Adjusting means for textile drawing mechanisms
US2867852A (en) * 1954-12-19 1959-01-13 Dausch
US2758340A (en) * 1955-02-14 1956-08-14 Saco Lowell Shops Drafting mechanism
US2811751A (en) * 1955-04-14 1957-11-05 Spinnerei Karl Marx Veb Drawing frame for a spinning machine
US3091814A (en) * 1957-03-29 1963-06-04 Skf Kugellagerfabriken Gmbh Textile drafting mechanism
US3079648A (en) * 1957-08-26 1963-03-05 Rieter Ag Maschf Top roller holder
DE1104407B (de) * 1958-09-23 1961-04-06 Wuerttembergische Spindelfabri Oberwalzen-Trag- und Belastungsarm fuer Spinnereimaschinen-Streckwerke
US3212139A (en) * 1961-06-29 1965-10-19 Skf Kugellagerfabriken Gmbh Drawing mechanism for a spinning machine

Also Published As

Publication number Publication date
GB735022A (xx) 1955-08-10
NL87391C (xx) 1958-02-15
FR1054179A (xx) 1954-02-09
BE507608A (xx) 1951-12-05

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