US2336963A - Cross wound cop winding machine - Google Patents

Cross wound cop winding machine Download PDF

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Publication number
US2336963A
US2336963A US411643A US41164341A US2336963A US 2336963 A US2336963 A US 2336963A US 411643 A US411643 A US 411643A US 41164341 A US41164341 A US 41164341A US 2336963 A US2336963 A US 2336963A
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US
United States
Prior art keywords
cop
shaft
yarn
winding machine
yarn guide
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
US411643A
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English (en)
Inventor
Schweiter Walter
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
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Publication of US2336963A publication Critical patent/US2336963A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
    • 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

Definitions

  • each successive turn of yarn is laid exactly on top of the preceding one, so that spiral ribsor other patterns are produced which not only result in non-circular cops, but even give'rise to trouble' when the yarn is unwound from the cop.
  • the chief object of the present invention is to provide an improved and efficient disturbance gearing for cross wound cop winding machines which will eiectively prevent the formation of patterns and ribs on the cops being wound.
  • Figure 1 is a section through the worm wheel drive of a cop winding apparatus.
  • Figure 2 is a section on the line II-IAI of Fig-v ure 1.
  • Figure 3 is a section on the line III-III of Figure 2.
  • FIG. 4 shows details of components of the disturbance gearing.
  • Figure 5 is a section on the line V-V of Figure 2 through the yarn guide driving mechanism
  • v Figure 6 is a plan view of the yarn guide and its sliding surface with the cover removed.
  • a driving shaft I isfmounted in suitable bearings in a gear box 2 and is driven in any desired manner, for example, by means of a belt pulley 3 and a driving belt Il. shaft I within thevgear box, being provided with an elongated drivepin B.
  • vthe driving shaft I are two Worm wheels 1 and 8 which are rigidly connected together so as to form a unitary structure, the arrangement being such that the said unitary structure is axially slidable en the driving shaft as a sleeve.
  • Such sleeve is splined'to the shaft by havingV a bore 9 parallel withlthe driving shaft I'into which, the pin 6 takes so as to transmit the rotation of the driving shaft to the two worm wheels.
  • the worm wheel 1 engages with a worm wheel I 0 mounted on a shaft II carried in bearings in the gear bfox, the gear wheel I0 being secured to the shaft II by means of a nut I2.
  • the means for rotating the cop so as to wind the yarn on it, and which in this case is a winding'roller I5 secured to the shaft by means of a nut I4.
  • the worm wheel 8 engages with a worm wheel I8 mounted on a shaft I'l carried in bearings in the gear box, the said shaft I'I having secured thereto the yarn guide traverse mechanism which is represented by a cam cylinder I8 which is housed in an extension I9 of the Vgear box 2.
  • the extension- I9 is provided in its top with an elongated slot 2l! ( Figure 6) in which a hub 2
  • this hub 2l is mounted the pin 23 ofa sliding block 24 which is guided in grooves 25 in the cam cylinder I8 and so derives a backward and forward movement therefrom.
  • the cop-rotating mech# anism and the yarn guide traverse mechanism are each driven by a worm or spiral gear couple, that is to say, the couple I---IIl and the couple 8-I6, and the driving members of these couples
  • a collar 5 is mounted on the driving' are adapted for longitudinal or axial movement o n the shaft which drives them.
  • the yarn guide plate 22 is guided laterally by two ends 26 and 21 which are bent down at right angles and slide in a slot 23 in the part I8.
  • the yarn guide plate 22 is also guided at the bottom and top by means of runways 29 and 30 in the extension I9, and the cover 3
  • the spaces 32 between the runways 29 and 30 serve to trap the jets of oil which, under certain circumstances, are ejected from the gear box and the oil which collects in these spaces is returned to the gear box through holes 3,3.
  • the cover 3l thus seals the extension I9 against 'the escape of oil.
  • the outer end of the yarn guide plate 22 is provided with a tapering yarn guide 34 having a slot 35 in its upper surface through circular groove 43 in which runs a guide roller 44l i mounted on a'pin 45.carried by one arm 46 of a rock lever 41 ( Figures v3 and 4).
  • This rock lever 41 is mounted on a partially screw-threaded bolt 48 fixed in the gearbox 2 and has a forked upper end 49.
  • ,5I is fulcrumed a yoke 52 which engages in an annular groove 53 in the hub .54 of the unitary structure formed by the two worm wheels 1 and 8.
  • turns of yarn on a cop produced with the aid of the gearing according to the present invention are uniformly disposed and the cops are free from patterns and ribs.
  • a driving shaft a friction roller for driving the cop to be wound, a yarn guide, a cam cylinder controlling the. movement of the yarn guide, a first worm wheel operatively connected to said friction roller to drive the same, a second worm wheel operatively connectedto said cam cylinder to drive the same, said first and second worm wheels having threads of opposite hands, two further worm wheels forming a unitary structure axially slidable on said,driving shaft and engaging ⁇ one with the first worm wheel and the other with the second worm wheel to drive the same, means for rotating said unitary structure from said driving shaft whilst leaving the same free to move axially thereon and means for oscillating said unitary structure backwards and forwards on said driving shaft so that the drive to the friction roller and the drive to the cam cylinde ⁇ are continuously modified whereby the ratio between the number of strokes of the yarn guide and the number of revolutions of the friction roller is continuously varied.
  • means for driving said unitary structure from the drivingshaft whilst leaving the same free to move axially thereon' comprising a collar secured to said driving shaft and a structure formed by the worm wheels 1 and 8 to be oscillated backwards and forwards Von the driving shaft I. Since the threads on the two worm -wheels 1 and 8 are of opposite hand, the
  • a pillar 51 is mounted on the cove'r 55 of the gear box ⁇ 2 by means of a nut 56, said pillar acting as a guide for a cop holder 58 which is held against rotation by means of a set screw 59 engaging in a groove 60.
  • the cop holder 58 carries a cop spindle 6I on which is freely mounted a conical h'older 62 for the conical cardboard cop tube 63 which rests on the winding roll I5 and is rotated thereby.
  • the yarn 36 which is drawn from a source package, not shown, and runs over a guide rod 55is wound on to the cardboard tube 63.
  • the cop 6.4 increases in diameter continually as it is being wound and in' so doing pushes the cop holder 58 upwardly on the pillar 51.
  • the angular speed of rotation of the cop 64 being wound uctuatesfcontlnually between a maximum and a. minimum value, whilst .the number of strokes made by the yarn guide 34 varies inversely. It is, thereforenot possible for a whole number ratiov to exist between 'the pin carried by said collar and extending into a bore in said unitary structure parallel with the axis of the driving shaft.
  • means for oscillating said unitary structure on the driving shaft comprising a double-armed rock lever, a guide roller on one arm of said lever, a driven toothed wheel having an eccentric ⁇ circular groove therein actuating said guide roller and a forked end to the other arm of said lever engaging in an annular groove in said unitary structure.
  • said-mechanisms having spiral gears respectively meshing therewith,l and means ⁇ driven by said

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Winding Filamentary Materials (AREA)
US411643A 1940-10-02 1941-09-20 Cross wound cop winding machine Expired - Lifetime US2336963A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH544398X 1940-10-02

Publications (1)

Publication Number Publication Date
US2336963A true US2336963A (en) 1943-12-14

Family

ID=4519260

Family Applications (1)

Application Number Title Priority Date Filing Date
US411643A Expired - Lifetime US2336963A (en) 1940-10-02 1941-09-20 Cross wound cop winding machine

Country Status (4)

Country Link
US (1) US2336963A (de)
CH (1) CH215637A (de)
FR (1) FR887743A (de)
GB (1) GB544398A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373949A (en) * 1964-10-21 1968-03-19 British Nylon Spinners Ltd Yarn winding mechanism
US3784120A (en) * 1972-12-26 1974-01-08 Universal Machine Co Inc Split drive roll and method of forming same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628402A1 (de) * 1996-07-15 1998-01-22 Schlafhorst & Co W Verfahren zur Vermeidung von Bildwicklungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373949A (en) * 1964-10-21 1968-03-19 British Nylon Spinners Ltd Yarn winding mechanism
US3784120A (en) * 1972-12-26 1974-01-08 Universal Machine Co Inc Split drive roll and method of forming same

Also Published As

Publication number Publication date
CH215637A (de) 1941-07-15
GB544398A (en) 1942-04-10
FR887743A (fr) 1943-11-22

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