US2657434A - Drawing mechanism for spinning and roving frames - Google Patents

Drawing mechanism for spinning and roving frames Download PDF

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Publication number
US2657434A
US2657434A US252291A US25229151A US2657434A US 2657434 A US2657434 A US 2657434A US 252291 A US252291 A US 252291A US 25229151 A US25229151 A US 25229151A US 2657434 A US2657434 A US 2657434A
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US
United States
Prior art keywords
bar
roll
arm
rolls
weighting
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
US252291A
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English (en)
Inventor
Philip B Tarbox
Gordon C Anderson
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.)
Saco Lowell Shops
Original Assignee
Saco Lowell Shops
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 Saco Lowell Shops filed Critical Saco Lowell Shops
Priority to US252291A priority Critical patent/US2657434A/en
Priority to GB26009/52A priority patent/GB732259A/en
Priority to GB9816/54A priority patent/GB732339A/en
Priority to CH311763D priority patent/CH311763A/de
Application granted granted Critical
Publication of US2657434A publication Critical patent/US2657434A/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

  • This invention relates to drawing mechanisms of the type used in spinning and roving frames but more particularly to drawing mechanisms having a roll weighting arm overlying drafting rolls, such a mechanism for example being shown in Gwaltney et al. U. S. Patent No. 2,565,228.
  • the present invention is directed, to a drafting mechanism of the overlying weighting arm type for spinning and rovingframes in which the weighting arm and roll supporting bar are allowed freely to render back and forth, yet one in which the weighting pressure will be at all times uniform. It is a feature of the invention that uniform weighting will be provided in spite of variations in the mechanism employed.
  • Fig. 1 is a view, mainly in vertical section, showing a drafting mechanism embodying this invention
  • Fig. 2 is a front elevation of the mechanism shown in Fig. 1;
  • Fig. 3 is a front sectional elevation of the mechanism shown in Fig. 1;
  • Fig. 4 is a view of a part of the mechanism of Fig. l.
  • the construction there shown comprises bottom front and rear rolls 2 and 3 respectively, top rolls 4 and 5 cooperating with said respective bottom rolls to perform the drafting operation, and an intermediate control mechanism including a bottom roll 6 driving an apron l, the latter ybeing guided over an apron bar 8 and held stretched by a tensioning roll It. Resting on the apron 'I is a top roll I2. Suitable clearers, front top roll clearer 9, and intermediate and back roll clearer II, are provided.
  • the top rolls with which the present invention is mainly concerned consists of the front and rear drawing rolls 4 and 5.
  • the front roll ll and roll 5 each comprise an arbor IE on which are rotatably mounted two roll bodies II-I'I, thus providing two connected roll sections closely adjacent to each other and in coaxial relationship.
  • Respective holders I4, best shown in Fig. 4, having upturned end portions with holes I3 therein, and downturned side portions with notches I3, are provided for holding rolls 4 and 5.
  • the rolls d and 5 are each supported in its respective holder lli by a spring I5 which holds the arbor I6 against V-notches I8 in the lower portion of said holder.
  • the holder for front rolls li is supported on supporting bar 22 for axial movement about said bar, since said bar passes through holes I3 in said holder, while the holder I4 for the rear roll may have square holes fitting the square rear portion of bar 22.
  • the holders are each maintained in position along bar 22, forward holder I by flanges I9 on said bar and rear holder I4 by a clamp 20 having a set screw ZI to permit adjustment of said holder along said bar.
  • the supporting bar 22 for the rolls is itself loosely supported in a Weighting arm 24 which is pivotally mounted on a fixed rod 25 mounted on a series of roll stands like that shown at 26 so that the arm 24 can be swung from its normal position into an upward inoperative position, said bar 22 being generally parallel to the arm 2li.
  • a lug 23 at the end of bar 22 is adapted Ato t into a notch I8 on a washer 52 fixed on rod 25 releasably to retain said arm and bar in inoperative raised position by engagement of said lug in said notch.
  • the rear end of bar 22 is slidable along pivot pin 30 so that the lug 23 can be moved into and out of notch 48 simply by raising the rear end of bar 22 With respect to the arm 24.
  • the weighting pressure is applied to the .ar-nr 24 by a pressed levermechanism includ-.1. ⁇
  • the pivot member 32 is adjusted by moving it inA or out until the-desired line 41 on the end of spring retaining rod 36 is in alignment with' the vertical face'of roller beam 35, the vertical face providinganv-index for ⁇ settingl the lines 4Iy on said rod'.
  • the 'distance betweenthe 'upf per end ⁇ of lever BI-Landthe arm 24 may be sety to...a uniform. distance inr spite of mechanical variations.
  • the indexlines 41 Y may correspondto.defined-pressures., so that the weighty ing.of top rollsmand may be easily and-quickly varied from .one known. weight to another whenevensuch. is desirable.
  • roller 42 bears againstztherflatfhardened plate 54 attached to the flatfundera-surface of arm 24 and against a lattened ⁇ upper-surface 44 on bar 22, providing freerelative. lateral movement between said attened surfaces on ⁇ said arm and said bar. Distributionof this pressure between the rolls 4 and 5 can be varied by adjusting the roller 42 lengthwise of the bar-.22-For this purpose-theroller wire. i3 .is xed in.. a holder 451slidably mounted on the ,arm 24.and..can .be lockedin any'adjusted posi-tion by .thescrew 46.
  • front-top rolls l can rock around'the axis of the..bar.22to. adjust .themselvesevenly to-theirrespective bottomrolls andto equalize the pressureof both cots of'eachv top roll onthebosses 'of its bottom roll.
  • the mounting of-'theV bar 1 22.*' is .provided not only. foi-the purpose j ust described but, more importantly; :in orderito enable theH top Vrolls automatically to remain. in
  • the Inovel spring wire-'mounted roller, together ⁇ with the novel adjustable spring weighting applied tothe forwardendvof the weighting arm is believed new, and provides a muchsimpler and morel friction-freeY arrangement than heretofore, and hence one in which" the weighting is much more uniform, particularly as provided by the adjustable weighting lever device which affords easy adjustment of the weighting pressure, so that all of the drafting mechanisms mounted on a spinning or roving frame may be easily and quickly adjusted to uniform pressure.
  • a drawing mechanism for spinning and roving frames the combination with a plurality of pairs of top and bottom drawing rolls positioned to act successively on a sliver, a weighting arm mounted for swinging movements in a vertical plane toward and from a position overlying said bottom rolls, a bar supported in a generally parallel relationship to said arm, means loosely connecting together the forward end of said bar with said arm, a plurality of holders mounted on said bar and supporting said respective top rolls, means for applying roll weighting pressure to said arm, and an antifriction roller interposed between said arm and said bar for transmitting the pressure of said arm through said bar to said top rolls, said roller being mounfed for substantial bodily lateral movement relative to both said arm and said bar.
  • a drawing mechanism as claimed in claim 1 in which said roller is rotatably mounted on a spring wire.
  • a drawing mechanism as claimed in claim 1 in which said bar has a lug on the rear portion thereof adapted to engage a fixed notch to releasably retain said bar and said arm in raised position.
  • roll weighting lever means pivotally mounted at the rear end thereof for swinging movement in a vertical plane to carry top rolls toward and from a position overlying said bottom rolls, and means for applying roll weighting pressure to a forward portion of said lever means including and connected thereto a Spring pressed lever having a bodily adjustable pivot.
  • a drawing mechanism as claimed in claim 4 including a link between said spring pressed lever and the forward end of said weighting means.
  • a drawing mechanism as claimed in claim 5 in.. which said link is releasably mounted on the forward end of said weighting means.
  • roll weighting lever means pivotally mounted at the rear end thereof for swinging movement in a vertical plane to carry top rolls toward and from a position overlying said bottom rolls, and means for applying roll weighting pressure to a forward portion of said lever means including and connected thereto a coil spring-pressed lever having a bodily adjustable pivot, and also including spring-retaining means having visible indicia for adjustably setting the same.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
US252291A 1951-10-20 1951-10-20 Drawing mechanism for spinning and roving frames Expired - Lifetime US2657434A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US252291A US2657434A (en) 1951-10-20 1951-10-20 Drawing mechanism for spinning and roving frames
GB26009/52A GB732259A (en) 1951-10-20 1952-10-16 Improvements in or relating to drawing mechanisms for spinning and roving frames
GB9816/54A GB732339A (en) 1951-10-20 1952-10-16 Improvements in or relating to drawing mechanisms for spinning and roving frames
CH311763D CH311763A (de) 1951-10-20 1952-10-18 Streckwerk für Feinspinn- und Vorspinnmaschinen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US252291A US2657434A (en) 1951-10-20 1951-10-20 Drawing mechanism for spinning and roving frames

Publications (1)

Publication Number Publication Date
US2657434A true US2657434A (en) 1953-11-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
US252291A Expired - Lifetime US2657434A (en) 1951-10-20 1951-10-20 Drawing mechanism for spinning and roving frames

Country Status (3)

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US (1) US2657434A (de)
CH (1) CH311763A (de)
GB (2) GB732339A (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771640A (en) * 1953-09-11 1956-11-27 Louis M Cotchett Top roll for spinning and roving frames
US2783505A (en) * 1955-06-27 1957-03-05 Spinnerei Karl Marx Veb Drawing frame for spinning machines
US2810938A (en) * 1953-02-05 1957-10-29 Dixon Lubricating Saddle Co Spinning frame
US2834996A (en) * 1954-08-16 1958-05-20 Dixon Corp Saddle for spinning frame or the like
US2856642A (en) * 1952-03-18 1958-10-21 Skf Kugellagerfabriken Gmbh Apparatus for covering parts of a textile drawing mechanism
US2865057A (en) * 1952-12-24 1958-12-23 Textile Engineering Corp Top roll guides
US2870488A (en) * 1954-03-17 1959-01-27 Whitin Machine Works Top roll positioning and pressureapplying means for textile drafting machine
US2900674A (en) * 1954-02-23 1959-08-25 Whitin Machine Works Pressure-applying means for drafting roll
US2911685A (en) * 1959-03-10 1959-11-10 Macdonald Walter Textile drafting apparatus
US2917786A (en) * 1957-03-23 1959-12-22 Skf Kugellagerfabriken Gmbh Daosch
US3150418A (en) * 1961-05-22 1964-09-29 Dixie Machine & Tool Company Strand handling apparatus
DE2658995A1 (de) * 1975-12-26 1977-07-07 Ntn Toyo Bearing Co Ltd Selbstausrichtender druck-pendelarm
US4187588A (en) * 1975-12-26 1980-02-12 Ntn Toyo Bearing Co. Ltd. Construction of pendulum arm type high sensitivity self-aligning weighting arm
CN100352980C (zh) * 2004-10-29 2007-12-05 宁波韵升股份有限公司 一种紧密纺纱器传动装置的握持机构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US927539A (en) * 1907-10-23 1909-07-13 Lewis T Houghton Top-roll-saddle mechanism.
US1490851A (en) * 1923-04-30 1924-04-15 Henry B Stairley Weight-changing device for top-roll saddle mechanism
US1623688A (en) * 1925-11-20 1927-04-05 Thomas W Lawton Top-roll saddle
US2525647A (en) * 1948-08-18 1950-10-10 Saco Lowell Shops Weighting mechanism for textile drawing machines
US2565228A (en) * 1948-09-03 1951-08-21 Saco Lowell Shops Drawing mechanism for spinning and roving frames

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US927539A (en) * 1907-10-23 1909-07-13 Lewis T Houghton Top-roll-saddle mechanism.
US1490851A (en) * 1923-04-30 1924-04-15 Henry B Stairley Weight-changing device for top-roll saddle mechanism
US1623688A (en) * 1925-11-20 1927-04-05 Thomas W Lawton Top-roll saddle
US2525647A (en) * 1948-08-18 1950-10-10 Saco Lowell Shops Weighting mechanism for textile drawing machines
US2565228A (en) * 1948-09-03 1951-08-21 Saco Lowell Shops Drawing mechanism for spinning and roving frames

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856642A (en) * 1952-03-18 1958-10-21 Skf Kugellagerfabriken Gmbh Apparatus for covering parts of a textile drawing mechanism
US2865057A (en) * 1952-12-24 1958-12-23 Textile Engineering Corp Top roll guides
US2810938A (en) * 1953-02-05 1957-10-29 Dixon Lubricating Saddle Co Spinning frame
US2771640A (en) * 1953-09-11 1956-11-27 Louis M Cotchett Top roll for spinning and roving frames
US2900674A (en) * 1954-02-23 1959-08-25 Whitin Machine Works Pressure-applying means for drafting roll
US2870488A (en) * 1954-03-17 1959-01-27 Whitin Machine Works Top roll positioning and pressureapplying means for textile drafting machine
US2834996A (en) * 1954-08-16 1958-05-20 Dixon Corp Saddle for spinning frame or the like
US2783505A (en) * 1955-06-27 1957-03-05 Spinnerei Karl Marx Veb Drawing frame for spinning machines
US2917786A (en) * 1957-03-23 1959-12-22 Skf Kugellagerfabriken Gmbh Daosch
US2911685A (en) * 1959-03-10 1959-11-10 Macdonald Walter Textile drafting apparatus
US3150418A (en) * 1961-05-22 1964-09-29 Dixie Machine & Tool Company Strand handling apparatus
DE2658995A1 (de) * 1975-12-26 1977-07-07 Ntn Toyo Bearing Co Ltd Selbstausrichtender druck-pendelarm
US4187588A (en) * 1975-12-26 1980-02-12 Ntn Toyo Bearing Co. Ltd. Construction of pendulum arm type high sensitivity self-aligning weighting arm
CN100352980C (zh) * 2004-10-29 2007-12-05 宁波韵升股份有限公司 一种紧密纺纱器传动装置的握持机构

Also Published As

Publication number Publication date
GB732339A (en) 1955-06-22
GB732259A (en) 1955-06-22
CH311763A (de) 1955-12-15

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