US3822833A - Thread supply device for textile machines - Google Patents
Thread supply device for textile machines Download PDFInfo
- Publication number
- US3822833A US3822833A US00316032A US31603272A US3822833A US 3822833 A US3822833 A US 3822833A US 00316032 A US00316032 A US 00316032A US 31603272 A US31603272 A US 31603272A US 3822833 A US3822833 A US 3822833A
- Authority
- US
- United States
- Prior art keywords
- thread
- core
- winding
- track
- supply device
- 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
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
- D04B15/482—Thread-feeding devices comprising a rotatable or stationary intermediate storage drum from which the thread is axially and intermittently pulled off; Devices which can be switched between positive feed and intermittent feed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H71/00—Moistening, sizing, oiling, waxing, colouring or drying filamentary material as additional measures during package formation
-
- 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
- a circular track with a freely running thread guide is 1451 .July, 9,1974
- This invention relates to a thread supply device for textile machines having a fixed winding core from which the thread is unwound over the free end of the core. More particularly the invention relates to thread supply devices in which the winding on the fixed core can, while it is being unwound to supply the textile machine, be wound at the same time with a thread wound on the free end of the core by a winding eye driven around the periphery of the core by a shaft arranged coaxially with respect to the core. Means are provided to prevent the winding on the core from exceeding a predetermined size by temporarily arresting the motion of the winding eye.
- Such a thread sypply device prevents irregularities in the unwinding of the thread from the primary supply from affecting the input of the textile machine and prevents irregularities in the demand for thread of the textile machine from disturbing the unwinding of the primary supply of thread, so that the device is both a storage and a delivery device.
- Thread supply devices of this type so-called storagefournisseurs, with a fixed winding core are known in several forms of construction, for example the forms shown in German Offenlegungsschrift No. 1,928,040.
- the thread com ing from the reel, spool or cop or cone serving as the primary supply is fed axially through the winding core and then led radially to the winding eye which winds the thread on the core, while the unwinding thread is pulled off axially through an eye some distance beyond the free end of the winding core under conditions in which a socalled thread baloon formed by the unwinding thread as the turns are pulled off.
- the winding eye mechanism In order to prevent the unwinding thread from becoming entangled in the rotating winding eye, the winding eye mechanism includes an outer circular rim with a rounded contour which revolves with the winding eye just outside its path, so that the unwinding thread is pulled off over this revolving rim.
- this arrangement has-been found to cause tension variations in the unwinding thread because of the intermittent operation of the winding eye.
- the friction conditions when the winding eye and its associated rim are at rest are different from those that exist when the winding eye and its rim are rotating in order to build up the buffer winding.
- the funning thread guide may advantageously be mounted slidably on the ring track fixed inposition about the free end of the winding core and the running 2 guide or rider may have the form of the corresponding element used for spinning or twisting operations.
- theunwinding thread pulls the running guide with it and propells it around its endless path.
- forces are applied to the thread which provide an even tension to the thread that would otherwise unwind without tension from the winding core and the magnitude of this tension is essentially determined by the weight of the running guide. Since the unwinding thread is held away from the rim of the winding eye mechanism that intermittently runs and stops, there is no possibility of the tension or of the unwinding being affected by the intermittent turning of the winding rim.
- a slider comprising two engaging guide portions connected and spaced apart by a crosstie strip or rod.
- the two guide portions make sure that the running guide is always supported at two spaced positions on the ring track so that a wobbling movement is prevented.
- the device can advantageously be so arranged that the unwinding thread is led between the running guide and the inner side of the ring track and passes from thereto a forward eye arranged at a point on the extended axis direction of the winding core. Centrifugal force will then press the unwinding thread against the inner surface of the, ring track, so that an additional friction-determined braking force is applied to the unwinding thread.
- the thread balloon which the unwinding thread normally forms, is limited in extend by the ring track in this type of thread supply device. This effect is particularly advantageous in cases in which it is desired to prevent the formation of a larger thread balloon, as is the case particularly when very heavy yarns and/or highly elastic rubber other elastomer yarns are used.
- Such yarns in fact produce highly irregular balloons, an effect which is magnified in the case of known storage claimss by the baffle effect of the loop or disc thread brakes used in such devices which are arranged below the winding core
- a conditioning material to the unwinding filament.
- it is effective to provide a channel groove on the surface of the ring track against which the unwinding thread passes, with an inlet conduit connecting to a supply arrangement for furnishing a fluid conditioning material at a suitable rate to the channel groove.
- the visible characteristicsof the thread may also be modified in this manner, as by applying a dye to the channel groove with which the thread will then be partly dyed.
- FIG. 1 is a side view in axial section of a thread supply device in accordance with the invention
- FIG. 2 is one form of free running thread guide for the thread supply device of FIG. 1, shown in perspective and on a different scale, and
- FIG. 3 shows a thread supply device in accordance with the invention for unwinding yarn from fixed spools, in side view and axial section, with the spool shown unsectioned.
- the thread supply device shown in FIG. 1 has a housing member 1 firmly fixed on a textile machine not shown in the drawing.
- the housing member 1 carries a winding core 2 affixed to it in stationary position, i.e., it is not arranged to rotate.
- the winding core 2 formed of a number of mutually parallel carrier rods 3 arranged in circular symmetry.
- the rods 3 are anchored at one end 4 in the housing 1 and at the other end they carry a stationary stiff end disc 5 in which their ends are embedded.
- the end disc 5 has a central bore 6 providing a bearing for the hollow shaft 7 which revolves in the interior of the winding core 2.
- a reduced portion 8 of the shaft 7 is rotatably held in the bearing 6.
- the hollow shaft 7 is also mounted rotatably in a bearing 9 provided in the housing 1 and a portion 10 of the shaft extending beyond the housing has a drive pully 11 fixed onto the shaft.
- the hollow shaft 7 is provided with two eccentric journals 12 and 13, the axis of which is inclined obliquely to the axis of rotation of the shaft 7 at a particular angle.
- An elastic disc 15 held in a non-rotating manner is mounted by means of a ball bearing 14 on the eccentric journal 13.
- the advancing rods 16 disposed in the intervals between the fixed rods 3, are held at one end in the disc 15. At their other ends the advancing rods 16 are held in a second elastic disc 17, which is mounted by a friction-bearing 18 on the eccentric journal 12.
- the hollow shaft 7 is fixedly connected to a rotor disc 19 at its extremity.
- the rotor disc 19 is located below the fixed end disc 5 of the winding core 2 and carries the winding eye20 at one position near its periphery, just inside its peripheral rim 21.
- Spaced from the rim 21 and thus outside the path of movement of the winding eye 20 is located a ring track 22 which is essentially T-shaped in cross section and is held stationary in position by means of the bracket 23 affixed to the housing 1.
- the ring track 22 provides a circular endless path for a running thread guide 24 having the form of a rider, such as is used on ring type spinning machines.
- the running guide 24 rides freely on the ring track 22.
- the thread supply device so far described operates as follows:
- the thread 25 coming from a spool, not shown in the drawing, runs through the longitudinal bore 26 in the hollow shaft 7, thus passing through the inside of the winding core 2. After coming out of the bore 26, the thread 25 passes over to and then through the winding eye 20.
- the shaft 7 and the winding eye 20 are caused to revolve by a drive not shown in the drawing operating on the drive pulley 11. When the winding eye revolves, it winds the thread by laying down one turn next to another over the carrier rods 3 which form the effective surface of the winding core 2.
- These turns wound next to each other form a storage winding 27 which is subjected during winding to an upwardly directed component of force by means of the tumbling or wobbling movement of the advancing rods 16 which advances the turns of the winding away from the winding eye 20.
- a storage winding 27 which is subjected during winding to an upwardly directed component of force by means of the tumbling or wobbling movement of the advancing rods 16 which advances the turns of the winding away from the winding eye 20.
- FIG. 1 for the case of three threads A, B and C, collectively designated 25 where they run very closely together. They are simultaneously wound on the winding core 2 by means of the winding eye 20, so that the storage winding 27 consists of adjacent turns of each of the individual threads.
- the threads are then lead from the storage winding 27 together through the running guide 24 and pulled through the thread eye 28, from which they run to the individual operating positions.
- the running thread guide 24 assures that the 5. threads will always be pulled from the buffer winding 27 in the same quantity and at the same rate, so that trouble-free operation of the thread supply device is obtained.
- a sensing device not shown in the drawing which shuts off the drive of the hollow shaft 7 whern a maximum length of the storage winding 27 is reached, so that a further accumulation of winding turns on the winding core 2 is interrupted.
- the thread 25 is pulled off at the top end of the storage winding 27 in such a way as to pull the thread over the free end of the winding core 2.
- the running thread guide 24 which keeps the thread beyond and clear from the rim 21, as'is apparent from FIG. 1, and thus brings it clear past the path of the winding eye over to athread guiding eye 28 situated on an extension of the axis of rotation of the hollow shaft 7 some distance beyond the free end of the winding core 2.
- the eye 28, which may be referred to as the forward eye in view of its position in the path of the thread, is mounted by means of an arm or bracket 29 on the stationary housing 1.
- the thread proceeds from the forward eye 28 to the operation position of the textile machine, not shown in the drawing.
- the threading running off through the eye 28 pulls the running thread guide 24 with it, so that the latter runs around the ring track 22. Since the thread is given a certain amount of guiding and holding between the running guide 24 and the ring track 22, the falling off of turns of the storage winding 27 as the result of the weight of the thread and/or of the effect of air currents or the like is effectivelyprevented.
- a drive for the hollowshaft 7 is again activated by means of the previously mentioned sensing device not shown in the drawing, so that the winding eye 20 is again set in revolution and the buffer winding 27 is again built up until it reaches its maximum length, when the drive of the hollow shaft 7 is again arrested.
- FIG. 1 In the embodiment of the invention shown in FIG. 1
- a channel groove 30 is provided on the inner surface of the ring track 22, supplied with a fluid thread conditioning or finishing material through a conduit shown at 31 which is connected to a conditioning or finishing material supply indicated at 32.
- a conduit shown at 31 which is connected to a conditioning or finishing material supply indicated at 32.
- the running guide 24 is provided in the form of a simple basically C-shaped rod or strap
- the form 24a of running guideshown in FIG. 2 may also be used in this thread supply device.
- the running guide 240 has two guide portions 241 of essentially C-shaped construction connected and spaced by a yoke or cross-tie 240.
- the guide portions 241 engage the ring track 22 in a manner similar to the operation of the running guide 24 of FIG. 1, but because a spacing is maintained between them, the canting of the running guide 24a is completely prevented.
- the present thread supply device is basically applicable to all kinds of thread or yarn using textile machines, such as flat knitting machines, circular knitting machines, weaving machines and the like. In modified form it is also applicable to the supply of thread or yarn pulled off from a stationary spool or from a stationary cop or cone, as shown in FIG. 3.
- FIG. 3 a stationary fixed spool is shown in FIG. 3 from which the thread 25 is to be unwound over the free end of the spool.
- a ring track 22 is arranged coaxially with the spool axis above the free end of the spool, held stationary by the bracket 23a to a stationary frame member 51 which carries the spool 50.
- An essentially C-shaped running thread guide 24 is mounted so as to slide freely on the ring track 22.
- the thread 25 unwinding from the spool 50 runs between the running guide 24 and the inner surface of the ring track 22 and passes from there to a thread guide 52 situated on an extension of the axis of the spool 50 on its .free end, from which the thread is led to the operating position of the textile machine.
- the running thread guide 24 is dragged along the endless'circular path formed by the ring track 22, so that an orderly and regulated unwinding results and any twisting or tangling of the thread or falling off of individual turns is prevented.
- a thread supply device for textile machines for delivering thread unwound endwise from a fixed winding core (2,5011) comprising:
- a closed path track (22) having an inner opening greater than the maximum girth of said core and everything held on its winding space and free end and fixedly mounted coaxially adjacent to the free end of said core;
- running guide means (24) for guiding thread from said core out of further contact with said core in a revolving path spaced from said track and passing inside of said track, said running guide means being movably mounted to run freely on said track and adapted to by pulled around said track by thread 25) passing through said running guide means while being pulled axially away from said core, and
- a rotary winding head (19,20) having a winding eye (20) adapted to be propelled around the periphery of said core at its free end and driving means for said winding head for winding onto said core thread supplied through said axial channel;
- winding advance means (7,12,13,16%) associated with said core for advancing turns of thread wound on said core by said winding head axially away from said free end of said core, and
- said closed path track has an enclosed opening of sufficient size for said running thread guide to lead thread being unwound from said core well clear of said winding head as well as of said track.
- a thread supply device as defined in claim 2 in which said track is a circular ring track, in which also said running guide means is loosely mounted slidably thereon and in which the unwinding thread passes between said running guide means and the inner side of said ring track and thereafter through an eye located on said forward fixed thread guide.
- a thread supply device as defined in claim 1 in which said track is a circular ring track and in which said running guide means is loosely mounted slidably thereon and has the basic form used for circulating runners in spinning or twisting machines.
- a thread supply device as defined in claim 4 in which said running guide means (24a) is composed of two guiding portions (241) loosely engaged on said track (22) connected and spaced apart by a cross-tie (240).
- a thread supply device as defined in claim 3 in which the inner side of said circular ring track (22) has a groove channel (30) and means associated therewith for supplying fluid dye to said channel, so that said unwinding thread may be dyed thereby.
- a thread supply device as defined in claim 1 in which said running guide means (24) is arranged to guide a plurality of threads for delivery on a parallel path being pulled off said winding core.
- a thread supply device for textile machines for delivering thread unwound endwise from a fixed storage winding core (2) comprising:
- driving means for said rotary head including at least a shaft (7) rotatably mounted inside said core;
- eccentrically driven means for advancing turns of thread wound on said core by said winding eye away from said free end of said core
- a ring track (22) surrounding and fully clearing the path of said rotary winding head and coaxially mounted in fixed relation to said core at its free end, and
- free-running thread guide means (24) on said ring track for leading thread being unwound from said core by a pull away from said core in an axial direction in a revolving path that is always clear of said rotary winding head as well as of said track.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Forwarding And Storing Of Filamentary Material (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
- Unwinding Of Filamentary Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2164095A DE2164095C3 (de) | 1971-12-23 | 1971-12-23 | Fadenliefer- und -speichervorrichtung für Textilmaschinen |
Publications (1)
Publication Number | Publication Date |
---|---|
US3822833A true US3822833A (en) | 1974-07-09 |
Family
ID=5828973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00316032A Expired - Lifetime US3822833A (en) | 1971-12-23 | 1972-12-18 | Thread supply device for textile machines |
Country Status (12)
Country | Link |
---|---|
US (1) | US3822833A (ru) |
JP (1) | JPS4919158A (ru) |
BE (1) | BE793308A (ru) |
CH (1) | CH554284A (ru) |
CS (1) | CS162789B2 (ru) |
DD (1) | DD101185A5 (ru) |
DE (1) | DE2164095C3 (ru) |
ES (1) | ES409959A1 (ru) |
FR (1) | FR2170503A5 (ru) |
GB (1) | GB1393978A (ru) |
IT (1) | IT976039B (ru) |
SU (1) | SU557748A3 (ru) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904141A (en) * | 1973-03-13 | 1975-09-09 | Iro Ab | Thread supply device for intermittent thread supply to textile machines |
US3908921A (en) * | 1973-03-12 | 1975-09-30 | Iro Ab | Thread supply device for textile machines |
US3915403A (en) * | 1974-04-01 | 1975-10-28 | Deering Milliken Res Corp | Yarn accumulator |
US3924818A (en) * | 1973-02-20 | 1975-12-09 | Skf Kugellagerfabriken Gmbh | Thread storage device |
US3955769A (en) * | 1973-11-02 | 1976-05-11 | Kanebo, Ltd. | Yarn feeding device for knitting machines |
US3971522A (en) * | 1973-09-25 | 1976-07-27 | Sulzer Brothers Limited | Apparatus for storage of filamentary material |
US3976259A (en) * | 1973-03-01 | 1976-08-24 | Bicc Limited | Winding wire and other flexible material |
US3999717A (en) * | 1974-09-16 | 1976-12-28 | Aktiebolaget Iro | Thread delivery device for textile machines |
US4044962A (en) * | 1974-04-10 | 1977-08-30 | Sergio Calamani | Apparatus for yarn storing and feeding to yarn using machines |
US5665293A (en) * | 1996-03-08 | 1997-09-09 | Basf Corporation | Method of making spun yarn packages multiple individually separable yarn ends |
US20160122914A1 (en) * | 2013-06-21 | 2016-05-05 | Santoni S.P.A. | Thread dispensing element for a thread guide for knitting machines, and thread guide comprising the dispensing element |
US20160130735A1 (en) * | 2013-06-21 | 2016-05-12 | Santoni S.P.A. | Device for feeding thread to needles of a knitting machine |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5991699U (ja) * | 1982-12-14 | 1984-06-21 | 東京電測株式会社 | 放電管の駆動回路 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1285954A (fr) * | 1961-01-16 | 1962-03-02 | Perfectionnements apportés aux appareillages d'enroulement de fils et câbles électriques | |
DE1288229B (ru) * | 1968-06-15 | 1969-01-30 | ||
DE1942062A1 (de) * | 1969-08-19 | 1971-03-11 | Karl Tannert Jun | Fadenzubringer mit Speicherwickel fuer Textilmaschinen |
US3637149A (en) * | 1969-09-20 | 1972-01-25 | Karl Frei | Thread-storing device for temporarily storing a thread |
-
0
- BE BE793308D patent/BE793308A/xx unknown
-
1971
- 1971-12-23 DE DE2164095A patent/DE2164095C3/de not_active Expired
-
1972
- 1972-12-04 CH CH1758872A patent/CH554284A/xx not_active IP Right Cessation
- 1972-12-14 IT IT70917/72A patent/IT976039B/it active
- 1972-12-18 US US00316032A patent/US3822833A/en not_active Expired - Lifetime
- 1972-12-19 SU SU1858660A patent/SU557748A3/ru active
- 1972-12-19 CS CS8772*BA patent/CS162789B2/cs unknown
- 1972-12-20 FR FR7245512A patent/FR2170503A5/fr not_active Expired
- 1972-12-20 GB GB5870272A patent/GB1393978A/en not_active Expired
- 1972-12-21 DD DD167790A patent/DD101185A5/xx unknown
- 1972-12-22 ES ES409959A patent/ES409959A1/es not_active Expired
- 1972-12-23 JP JP48004042A patent/JPS4919158A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1285954A (fr) * | 1961-01-16 | 1962-03-02 | Perfectionnements apportés aux appareillages d'enroulement de fils et câbles électriques | |
DE1288229B (ru) * | 1968-06-15 | 1969-01-30 | ||
DE1942062A1 (de) * | 1969-08-19 | 1971-03-11 | Karl Tannert Jun | Fadenzubringer mit Speicherwickel fuer Textilmaschinen |
US3637149A (en) * | 1969-09-20 | 1972-01-25 | Karl Frei | Thread-storing device for temporarily storing a thread |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3924818A (en) * | 1973-02-20 | 1975-12-09 | Skf Kugellagerfabriken Gmbh | Thread storage device |
US3976259A (en) * | 1973-03-01 | 1976-08-24 | Bicc Limited | Winding wire and other flexible material |
US3908921A (en) * | 1973-03-12 | 1975-09-30 | Iro Ab | Thread supply device for textile machines |
US3904141A (en) * | 1973-03-13 | 1975-09-09 | Iro Ab | Thread supply device for intermittent thread supply to textile machines |
US3971522A (en) * | 1973-09-25 | 1976-07-27 | Sulzer Brothers Limited | Apparatus for storage of filamentary material |
US3955769A (en) * | 1973-11-02 | 1976-05-11 | Kanebo, Ltd. | Yarn feeding device for knitting machines |
US3915403A (en) * | 1974-04-01 | 1975-10-28 | Deering Milliken Res Corp | Yarn accumulator |
US4044962A (en) * | 1974-04-10 | 1977-08-30 | Sergio Calamani | Apparatus for yarn storing and feeding to yarn using machines |
US3999717A (en) * | 1974-09-16 | 1976-12-28 | Aktiebolaget Iro | Thread delivery device for textile machines |
US5665293A (en) * | 1996-03-08 | 1997-09-09 | Basf Corporation | Method of making spun yarn packages multiple individually separable yarn ends |
US20160122914A1 (en) * | 2013-06-21 | 2016-05-05 | Santoni S.P.A. | Thread dispensing element for a thread guide for knitting machines, and thread guide comprising the dispensing element |
US20160130735A1 (en) * | 2013-06-21 | 2016-05-12 | Santoni S.P.A. | Device for feeding thread to needles of a knitting machine |
US10472749B2 (en) * | 2013-06-21 | 2019-11-12 | Santoni S.P.A. | Device for feeding thread to needles of a knitting machine |
Also Published As
Publication number | Publication date |
---|---|
JPS4919158A (ru) | 1974-02-20 |
BE793308A (fr) | 1973-04-16 |
ES409959A1 (es) | 1976-04-16 |
DE2164095C3 (de) | 1980-08-14 |
DE2164095B2 (de) | 1979-12-06 |
CH554284A (de) | 1974-09-30 |
IT976039B (it) | 1974-08-20 |
SU557748A3 (ru) | 1977-05-05 |
FR2170503A5 (ru) | 1973-09-14 |
DD101185A5 (ru) | 1973-10-20 |
DE2164095A1 (de) | 1973-06-28 |
CS162789B2 (ru) | 1975-07-15 |
GB1393978A (en) | 1975-05-14 |
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