EP0424424A1 - Fadenspeicher- und -liefervorrichtung. - Google Patents
Fadenspeicher- und -liefervorrichtung.Info
- Publication number
- EP0424424A1 EP0424424A1 EP89907714A EP89907714A EP0424424A1 EP 0424424 A1 EP0424424 A1 EP 0424424A1 EP 89907714 A EP89907714 A EP 89907714A EP 89907714 A EP89907714 A EP 89907714A EP 0424424 A1 EP0424424 A1 EP 0424424A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive shaft
- axis
- sleeve
- storage drum
- storage
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
- D03D47/36—Measuring and cutting the weft
- D03D47/361—Drum-type weft feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
- B65H51/22—Reels or cages, e.g. cylindrical, with storing and forwarding surfaces provided by rollers or bars
Definitions
- the invention relates to a thread storage and
- Thread storage and delivery device of a different type the winding element stands still, while the storage drum consisting of an inner and a toothed outer rod drum is driven to wind the thread.
- the axis of the inner curling drum is skewed in relation to the axis of the outer rod drum or the drive shaft, i.e. it is arranged obliquely and eccentrically. From the measure of
- the slope of the axis of the inner bar drum determines the axial stroke that each bar of the inner bar drum performs in one revolution.
- the plane in which the axis is very inclined must be circumferentially offset from the direction of the eccentricity, namely
- each rod also moves axially over the circumferential section in which it occurs
- Circumferential section in which it withdraws behind the rods of the outer rod drum, is moved axially backwards again. If the eccentricity lies in the plane of the inclined position of the axis or offset by 180 ° to it, then each rod of the inner rod drum also protrudes over the rods of the outer rod drum and carries out the axial forward and backward movement; however, it is first moved forward by a certain distance and then backwards again by the same amount over the leading section, so that the thread lifted from the outer rod drum is deposited on the outer rod drum again at the same axial height after the leading section. The feed is then zero. If the offset is between 0 ° and 90 °, the amount of the feed stroke becomes between zero and a maximum value
- a sleeve which has cylindrical inner and outer surfaces which are axially parallel to one another, but which are arranged eccentrically to one another. In the sleeve there is a skewed position of the axis of the inner bar drum
- the sleeve can be loosened in the
- Delivery device can only be driven in one direction of rotation. Threads with an S or a Z twist, however, require opposite to each other
- Thread delivery device can therefore only process threads of one type or another.
- Thread storage and delivery device with a stationary storage drum consisting of interlocking inner and outer rod drums
- the extent of the feed in the axial forward direction can be by
- a hub which is coaxial to it is rotatably mounted on the drive shaft and a non-rotatable sleeve is fastened to its end flange with a cap screw.
- the sleeve contributes to her
- the cap screw forms a joint arrangement between the hub body and the sleeve.
- the head screw is diametrically opposite a grub screw in the end flange 4, which presses against the end face of the sleeve. The further the grub screw is screwed in, the more the sleeve tilts in the
- Storage drum known to turn the inclined axis of the inner bar drum with respect to the drive shaft and with respect to the eccentricity by 180 ° when reversing the direction of rotation, again in the new direction of rotation to achieve a forward feed movement for the thread.
- the disadvantage here is that the rods of the inner rod drum between the rods of the outer rod drum require a lot of space in the circumferential direction because they have to be tilted by twice the fixed inclined position of the axis between the rods of the outer rod drum. There are therefore unnecessarily large gaps when the thread delivery device is working, which allows the dirt to penetrate.
- Storage drum known to store the inner rod drum on an eccentric outer surface rotatably holding sleeve centrally on a ball joint of the drive shaft and an obliquely attached to the drive shaft
- the circular surface can be rotated about the drive shaft axis, the sleeve being tilted on the ball joint. By turning the circular area to both sides from a neutral position, the axis of the inner one can be found
- the invention has for its object a
- Thread storage and delivery device of the latter type to improve in terms of a structurally simple, sensitive and precise adjustment of the feed and adjustment of the feed to the respective direction of rotation of the thread storage and delivery device, with a clean, low-vibration running of the rotating components in all Settings should be guaranteed, and the components provided for the adjustment in the usual dimensions of such
- Devices can be easily accommodated so that it is possible to retrofit thread storage and delivery devices that are already in operation with little effort.
- Gaps from the inside by an elastic Filler be closed, which has to take part in these movements. Becomes the second articulation point
- the solution according to claim 7 is characterized in that the actuating axis is resilient and free of play
- Torque transmission between the drive shaft and the sleeve produces that the sleeve can be securely fixed in all setting positions, and that when adjusting the inclined axis only moves in the plane, so that the bars of the inner bar drum only little space between the bars of the outer bar drum
- the reading according to claim 8 has the advantage that the component primarily responsible for the extent of the feed movement and the feed effect, namely the eccentricity, is displaced during the adjustment without at the same time closing the cylinder axis in the direction of rotation shift, which is positioned from the outset so that it is inclined in a certain relative position to the point at which the thread is placed on the storage drum.
- the adjustment can be very
- the spherical joint parts and the spherical or tapered abutments on the sleeve are technically simple to manufacture and ensure a cleanly centered fit of the sleeve and a smooth adjustment movement.
- Holding forces between the sleeve and the ball joint parts are transferred over a large area and in a form-fitting manner.
- a particularly simple adjustment option is given in the embodiment according to claim 3, because the second ball joint part can be rotated sensitively on the drive shaft and the second articulation point is shifted while changing the inclination of the axis of the sleeve.
- the second ball joint part is pivoted about the adjusting salmon. There is a distance between the adjusting axis and the center of the second ball joint part, the second articulation point is moved back and forth in a plane perpendicular to the adjusting axis in order to change the inclination of the axis of the sleeve or to bring it from one side of the neutral position to the other if the direction of rotation of the
- Thread storage and delivery device is reversed.
- Embodiment according to claim 5 where the second pivot point is displaced transversely to the drive shaft axis when the second ball joint part of the
- Adjustment device is applied.
- the measure of claim 6 is advantageous because, owing to the curvature of the guideway at
- Adjustment maintains a consistently firm bracket for the sleeve.
- the axis of the inclined cylindrical surface specifies the incline of the axis of the hub body. Relative to this slope, the eccentricity is rotated during the adjustment and thus the feed is adjusted or the feed is adapted to the respective direction of rotation of the thread feeding and delivery device
- the embodiment according to claim 10 is also advantageous because the components that determine the eccentricity and the incline of the axis can be produced separately and can be easily attached to the drive shaft.
- the Rotary coupling fulfills a double function in that it permanently fixes the sleeve body, which determines the slope, to the drive shaft, whereas the sleeve, which determines the eccentricity and the position of the eccentricity in relation to the slope, only in operation of the
- Thread storage and delivery device specifies, on the other hand releases when adjusting for adjustment.
- Mating coupling part of the sleeve is brought into engagement.
- Fig. 1 shows a longitudinal section through a
- Thread storage and delivery device in which an adjusting device for the feed and for adapting the feed to the direction of rotation is provided,
- Fig. 3 shows a section in the plane
- FIG. 4 shows another embodiment
- Fig. 5 shows a section in the plane
- Fig. 6 shows another embodiment
- Fig. 7 shows a section in the plane
- Fig. 8 shows another embodiment
- Fig. 9 shows a section in the plane
- Fig. 10 is a longitudinal section through a further embodiment of an adjusting device, wherein Figs. 1 to 10 are schematic and for the sake of clarity always on the right representations, although such devices usually work approximately horizontally.
- a thread storage and delivery device 1 according to FIG. 1 has a stationary housing 2 which is fastened to a holder 3.
- a holder 3 In the housing 2 is a
- Drive motor 4 is provided for a partially hollow drive shaft 5 which is rotatably mounted in the housing 2 and has a longitudinal drive shaft 6 axis.
- the storage drum 8 consists of an outer drum body 9 distributed over the circumference. longitudinally extending and outwardly open recesses 31 and an inner rod drum 10, the
- spoke-like arms longitudinal, rod-shaped feed elements 12 carries.
- the drum body 9 and the inner rod drum 10 are inserted into one another so that the feed elements 12 into the recesses 31st
- the axis of the drum body 9 is aligned with the axis 6 of the drive shaft 5.
- Drum body 9 with a hub body 14 rotatably supported via pivot bearing 15. Furthermore, on the
- Shaft extension 13 non-rotatably connected sleeve 18 mounted.
- the axis of the sleeve 18, designated 19, is inclined with respect to the axis 6.
- the sleeve 18 has conical or spherical at both ends
- Abutment 23 or 24 The abutment 23 is seated on a ball joint part 20 or on its spherical surface 22.
- the ball joint part 20 is non-rotatably coupled to the shaft extension 13 with a fastening element 21.
- the other abutment 24 of the sleeve 18 sits on the spherical surface of a second ball joint part 25, which is arranged on the shaft extension 3 so that it can be rotated about the axis 6 after loosening a fastener 26.
- a stop 28 which engages in a recess 27 in the drive shaft 5, 13
- Ball joint part 25 is eccentric to axis 6 by dimension e1.
- Ball surface 22 of first ball joint part 20 is also eccentric with respect to axis 6, but offset by approximately 90 to eccentricity e1, i.e. 1 in front of or behind the plane of the drawing.
- Magnets 30 are arranged on the drum body 9, which cooperate with magnets 29 arranged in a stationary manner in the housing 2 such that the drum body 9 and, via the engagement of the feed elements 12, also the inner one
- Bar drum 10 stand still when the drive shaft 5 rotates.
- Thread turns on the feeder drum 8 used.
- a larger or smaller feed and thus a larger or smaller pitch of the thread turns on the
- the feed that is, the axial distance between the thread turns, can be adjusted.
- -Delivery device 1 are driven in the opposite direction of rotation, i.e. in Fig. 1 that would have to be
- Adjustment device V changed so that the eccentricity in turn follows behind the plane in which the axis 19 is inclined away from the axis 6.
- the adjusting device V rotates the axis 19 relative to the eccentricity about the axis 6, not only the relative inclination of the axis 19 with respect to the axis 6 changing, but also the phase between the eccentricity and the inclined axis 19.
- FIG. 2 shows a section rotated by 90 in the axis 6. It can be seen from this that the first ball joint part 20 has its ball center M e eccentric to the axis 6 by a dimension e. The center of the sphere M simultaneously represents the first articulation point M for the axis 19 of the sleeve 18, which with respect to the
- Ball joint part 25 is spaced from the axis 6 is not visible in FIG. 2, but can only be seen from FIG. 3.
- This point designated P represents the second articulation point for the axis 19 of the sleeve 18.
- the first articulation point M leads in the direction of rotation D of the drive shaft 5, 13 to the second articulation point P of the axis 19 by approximately 90.
- the achievable feed has a certain dimension.
- the adjustment device according to FIGS. 4 and 5 differs from the previous one in that the second ball-and-socket joint part 25 'can be pivoted back and forth in the direction of a double arrow about an adjusting axis 33 passing through the axis 6 perpendicularly.
- the actuating axis 33 is approximately aligned with the
- the second ball joint part 25 ' is with a
- Connecting arm 32 mounted on the actuating axis 33, so that there is a distance A between the actuating axis 33 and the center of the ball, which is also the second pivot point P.
- Allow ball joint part 25 ' this is provided with a recess 31 for the drive shaft 5, 13.
- the eccentricity e is not variable, the feed caused in each case is determined by the inclined position of the axis 19, which in turn depends on how far the ball joint part 25 'is pivoted about the adjusting axis 33 to one side or the other.
- the second ball joint part 25 ′′ can be moved back and forth in a positioning plane E running transversely to the axis 6 and transversely to the drive shaft 5, 13.
- Neutral position, in which the second pivot point P coincides with the axis 6 in FIG. 6, is not a feed
- Articulation point P to the side of the axis 6.
- the guideway 36, on which the second ball joint part 25 ′′ is displaced, can be curved around the first articulation point M, or as indicated by dashed lines at 36 ′
- the sleeve 18 is securely held in all positions of the second ball joint part 25 ".
- the latter is provided with a recess 35
- the sleeve 18, as indicated in FIG. 1 can have coaxial inner and outer peripheral surfaces, the inner peripheral surface expediently being a conical surface. Eccentricity is not necessary between the inner and outer peripheral surfaces. However, it is
- the eccentricity in the 1 to 7 is determined by the first ball joint part 20, can also be achieved in that the outer surface of the sleeve 18 is eccentric to the two abutments 23 and 24.
- the ball joint part 20 could then be formed coaxially with the axis 6. It just has to
- the sleeve 18 ' is equipped with an inner cylindrical surface 40, which is coaxial with the axis 6 in the illustrated neutral position, while an outer cylindrical surface 39 of the sleeve 18' with the
- Eccentricity e extends eccentrically to the inner circumferential surface 40 and is parallel to the axis 6.
- the sleeve 18 ' is coupled to the drive shaft 5, 13 in a rotationally fixed and pivotable manner via an actuating axis 37 which approximately intersects the axis 6.
- the inner circumferential surface 40 can be widened downwards in a conical shape.
- the second articulation point P of the axis 19 of the sleeve 18 ' is coupled to the adjusting element 34 via an extension 38 such that the sleeve 18' is in FIG
- Adjustment axis 37 can pivot clockwise or counterclockwise.
- Articulation point P is adjusted, is approximately perpendicular to the actuating axis 37, which is approximately aligned with the eccentricity e. In the position of the sleeve 18 'shown there is none
- Feed can be effected. However, if the second articulation point P is shifted from the position shown in FIG. 9 to the left (P +) or to the right (P-), then there is an angular displacement between the eccentricity e and the second articulation point P, from which the extent of
- the adjustment device shown in FIG. 10 has a sleeve body 42 on the drive shaft 5, 13, the outer cylinder surface 43 of which is inclined relative to the axis 6 such that the axis 19 of the
- Cylinder surface 43 deviates obliquely upwards from the point of intersection with axis 6.
- the sleeve 18" has an inner cylindrical surface 52 and one to it
- the eccentricity is chosen so that it lies in front of or behind the plane of the drawing in FIG. 10.
- the rotary bearings 17 for the hub body 16 are attached to the outer cylinder surface 44.
- a longitudinal groove 54 is provided in the drive shaft 5, 13 and extends from outside the drum body 9 (not shown) into the sleeve body 42.
- a wedge 46 is seated in the groove 54 and has a recess 47 in the sleeve body 42 into one
- a pull rod 48 engages, which carries an extension 49 outside the drum body 9, on which an adjusting element 50, not shown, engages in such a way that the wedge 46 in the direction of
- Double arrow can be moved up and down.
- the upper end of the sleeve 18 "ends at a distance from a sleeve 41, which is also mounted on the drive shaft 5, 13 and carries the rotary bearing 15 of the drum body 19, so that the wedge 46 can be pulled upwards until it comes out of the counter-coupling recess 45 emerges, but is still in the slot-shaped recess 47.
- Stop ring 51 ensures that the sleeve 18 "does not slide upwards on the inclined cylinder surface 43. As soon as the wedge 46 has released the counter-coupling recess 45, and a tool into one of several depressions 53 distributed over the circumference of the sleeve 18"
- Drive shaft 5, 13 is coupled.
- the eccentricity of the outer cylinder surface 44 By rotating the eccentricity of the outer cylinder surface 44, the peripheral section, via which the feed elements 12 protrude from the rods 11, is rotated relative to the inclined position of the axis 19, which is fixed with respect to the drive shaft 5, 13.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Forwarding And Storing Of Filamentary Material (AREA)
- Transmission Devices (AREA)
- Tyre Moulding (AREA)
- Knitting Machines (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3822309 | 1988-07-01 | ||
DE3822309A DE3822309A1 (de) | 1988-07-01 | 1988-07-01 | Fadenspeicher- und -liefervorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0424424A1 true EP0424424A1 (de) | 1991-05-02 |
EP0424424B1 EP0424424B1 (de) | 1993-01-27 |
Family
ID=6357763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89907714A Expired - Lifetime EP0424424B1 (de) | 1988-07-01 | 1989-06-27 | Fadenspeicher- und -liefervorrichtung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0424424B1 (de) |
JP (1) | JP2863864B2 (de) |
KR (1) | KR0167106B1 (de) |
DE (2) | DE3822309A1 (de) |
WO (1) | WO1990000149A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3587643A1 (de) | 2018-06-28 | 2020-01-01 | Memminger-IRO GmbH | Fadenliefergerät und system mit einem fadenliefergerät |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4105174A1 (de) * | 1991-02-20 | 1992-08-27 | Sobrevin | Liefervorrichtung fuer laufende faeden |
DE9111875U1 (de) * | 1991-09-23 | 1993-01-28 | Sobrevin Société de brevets industriels-Etablissement, Vaduz | Fadenspeicher und Liefervorrichtung mit verstellbarer Borstenausrichtung |
IT231450Y1 (it) * | 1993-07-19 | 1999-08-03 | Lgl Electronics Spa | Alimentatore di trama con piastra portamagneti dotata di scanalatura anulare fungente da elemento di centraggio e ritegno del tamburo e |
IT1261256B (it) * | 1993-09-10 | 1996-05-09 | Lgl Electronics Spa | Dispositivo di separazione delle spire di riserva di filato per apparecchi alimentatori di trama e telai di tessitura e simili |
IT239807Y1 (it) * | 1996-09-11 | 2001-03-13 | Lgl Electronics Spa | Dispositivo perfezionato di separazione delle spire di filato perapparecchi alimentatori di trama |
TW200303285A (en) * | 2002-02-21 | 2003-09-01 | Man Socks Italia S R L | Separated yarn coils accumulator-feeder |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1275633A (fr) * | 1959-12-04 | 1961-11-10 | Sulzer Ag | Métier à tisser |
DE1967177C2 (de) * | 1969-08-19 | 1979-09-13 | Ab Iro, Ulricehamn (Schweden) | Fadenspeicher- und -liefervorrichtung für textile Fäden |
US3776480A (en) * | 1972-04-05 | 1973-12-04 | Lawson Hemphill | Yarn handling apparatus |
AR207774A1 (es) * | 1974-04-10 | 1976-10-29 | Calamani S | Aparato para almacenar hilo y para entregarlo a maquinas que lo utilizan |
DE3325159A1 (de) * | 1983-07-12 | 1985-01-24 | Aktiebolaget Iro, Ulricehamn | Fadenspeicher- und -liefervorrichtung |
IT1176259B (it) * | 1984-06-04 | 1987-08-18 | Roy Electrotex Spa | Alimentatore di trama per telai di tessitura |
IT8422055V0 (it) * | 1984-06-04 | 1984-06-04 | Roy Electrotex Spa | Alimentatore di trama per telai di tessitura comportante mezzi perfezionati per accumulare la riserva di trama. |
IT1204330B (it) * | 1986-04-30 | 1989-03-01 | Sarfati & Vischiani Spa | Dispositivo accumulatore per alimentatori di filo di trama a macchine tessili |
-
1988
- 1988-07-01 DE DE3822309A patent/DE3822309A1/de not_active Withdrawn
-
1989
- 1989-06-27 EP EP89907714A patent/EP0424424B1/de not_active Expired - Lifetime
- 1989-06-27 JP JP1507208A patent/JP2863864B2/ja not_active Expired - Lifetime
- 1989-06-27 WO PCT/EP1989/000724 patent/WO1990000149A1/de active IP Right Grant
- 1989-06-27 DE DE8989907714T patent/DE58903417D1/de not_active Expired - Fee Related
-
1990
- 1990-03-02 KR KR1019900700455A patent/KR0167106B1/ko not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9000149A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3587643A1 (de) | 2018-06-28 | 2020-01-01 | Memminger-IRO GmbH | Fadenliefergerät und system mit einem fadenliefergerät |
Also Published As
Publication number | Publication date |
---|---|
DE58903417D1 (de) | 1993-03-11 |
KR0167106B1 (en) | 1998-12-01 |
KR900701640A (ko) | 1990-12-03 |
WO1990000149A1 (de) | 1990-01-11 |
JP2863864B2 (ja) | 1999-03-03 |
DE3822309A1 (de) | 1990-01-04 |
EP0424424B1 (de) | 1993-01-27 |
JPH03505568A (ja) | 1991-12-05 |
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