EP0438439A1 - Fadenspeicher- und -liefervorrichtung. - Google Patents
Fadenspeicher- und -liefervorrichtung.Info
- Publication number
- EP0438439A1 EP0438439A1 EP89911057A EP89911057A EP0438439A1 EP 0438439 A1 EP0438439 A1 EP 0438439A1 EP 89911057 A EP89911057 A EP 89911057A EP 89911057 A EP89911057 A EP 89911057A EP 0438439 A1 EP0438439 A1 EP 0438439A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- stop element
- storage
- delivery device
- last turn
- 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
- 230000003797 telogen phase Effects 0.000 claims abstract description 7
- 239000004753 textile Substances 0.000 claims abstract 2
- 238000009941 weaving Methods 0.000 claims description 11
- 230000016507 interphase Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 5
- 238000013508 migration Methods 0.000 claims description 3
- 230000005012 migration Effects 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims 1
- 239000003086 colorant Substances 0.000 abstract description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- D03D47/362—Drum-type weft feeding devices with yarn retaining devices, e.g. stopping pins
- D03D47/363—Construction or control of the yarn retaining devices
-
- 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
Definitions
- the invention relates to a thread storage and
- the position of the stop element is chosen in such a way that all conceivable thread qualities are to be processed with the thread storage and delivery device, and that essentially for all thread qualities
- Jet weaving looms are provided in a group of such thread storage and delivery devices, only one of which always works while the other are resting.
- the threads of those in their resting phases are provided in a group of such thread storage and delivery devices, only one of which always works while the other are resting. The threads of those in their resting phases
- Thread storage and delivery devices however, always reach into the main nozzle of the weaving machine and are permanently in it by a pressure medium flow
- the free end of the thread migrates out of the main nozzle.
- the cutting device / which is operated periodically for the color being processed cuts it
- the invention has for its object a
- the axial distance between the stop element and the last turn of the thread supply can be set so that the oscillating tensile force in the thread is no longer able in the resting phase to detect the last thread turn and if necessary also wind up further thread turns.
- the effective in the section of the thread between the last turn and the stop element in the axial direction Force component from the tensile force in the thread is no longer sufficient to shift the thread during the resting phase.
- the angle between the last turn and the section running to the stop element is also responsible for the tendency of the last turn to open, because this angle is the size of an axially directed force component from the
- the embodiment according to claim 2 is useful.
- By adjusting the stop element in the axial direction of the storage member it is possible to limit the maximum permissible value of the angle at which it is ensured that the free end of the thread no longer travels into the cutting device despite the standby pull.
- the maximum value just allowed means that a collision between the last turn in the thread supply and the Stop element during work is omitted if, after building up the thread supply from the dynamics of the device, the thread supply moves in the direction of
- Stop element should run. So it becomes a
- End of thread from the main nozzle is omitted.
- the embodiment according to claim 3 is also expedient because, in this dimensioning of the distance
- Adjusting devices e.g. one rough and one
- Fine adjustment device can be used, which give precise information about the selected position of the stop element with appropriate markings and scales.
- Safety distance between the last turn and the stop element is specified. If the maximum sensor is adjusted to adapt to the respective thread quality, the stope me nt follows the shifting movement, ie the maximum permissible angle of the section of the thread to the stop element or just that permissible maximum value of the distance between the stop element and the last turn is maintained.
- Claim 9 advantageous because, despite the joint adjustability of the maximum sensor and stop element, their relative axial spacing can then be readjusted. Because with a small diameter, smooth thread, the
- Safety distance between the last turn and the stop element can be dimensioned smaller than with a large, fluffy thread.
- FIG. 1 A detail to Fig. 3, in
- 1 and 2 is a thread storage
- Such thread feeders and delivery devices 1 ' are often used for multi-color weaving on jet looms W in order to
- Jet weaving machine W precisely dimensioned in length
- the weft thread section takes place by means of a thread storage and delivery device 1 '
- Outside diameter of the non-adjustable storage member has a plurality of stop elements 13 distributed around its circumference at regular intervals to interrupt the thread draw-off at a selected stop element 13.
- the thread storage and delivery device 1 has in addition to, e.g. non-rotatably fixed, storage member 2, the axis of which is designated 3 and the one
- Winding element 5 The winding element 5 is hollow, so that the thread F coming from the bobbin is guided from the inside along the axis 3 and radially outwards and is wound there in successive turns 11 in a thread supply S onto the feeder surface 4.
- Drive motor 6 is connected to a control device 7, which in turn communicates via a control line 10 to a maximum and a minimum sensor 8, 9
- the minimum sensor 9 can be any sensor 9 connected.
- Sensors 8, 9 are responsible for switching the drive motor 6 on and off, such that when the thread supply S falls below a certain size, the drive motor 6 is switched on until the maximum sensor 8 detects the required size of the thread supply S and switches the drive motor 6 off again .
- the individual turns 11 lie side by side.
- the last turn 11- is that Facing stop element 13, which has a relatively large axial distance A to the thread supply S.
- the stop element 13 can be moved back and forth between a passive position in which the thread F can be withdrawn unhindered and with a circumferential movement around the storage surface 4 and its head end, and a stop position (FIGS. 1 and 2) in which the thread hindered against the circumferential withdrawal movement and around that
- Stop element 13 is deflected. On his way to
- Weaving machine W is then deflected again towards axis 3 via the head end of storage element 2 before it runs through a thread eyelet 14 and from this into a channel 15a of a main nozzle 15 of weaving machine W.
- the main nozzle 15, which is connected to a pressure medium supply, is not the most suitable for the reed
- the main nozzle 15 contains many channels corresponding to the number of colors processed; in the present case, the channel 15a for the thread F and a channel 15b for a second thread F ", which is currently being processed and comes from a thread eyelet 16.
- the weaving machine W has a large number of thread storage and the number of colors in multi-color weaving
- thread F is in a resting phase (Fig. 1 and 2).
- the channel 15a is acted upon by a pressure medium flow, which acts on the thread F with a permanent ready tensile force P in the direction of the compartment and keeps it stretched.
- the free end F 'of the thread F projects over the
- Main nozzle 15 in the area of all processed threads common cutting device 18, which is actuated periodically during the movement of the reed, z. B. for cutting off the thread F ".
- the free end F 'of the thread F protrudes with a length L over the
- Fig. 1 shows the beginning of the rest phase of the device 1 '.
- the other thread F "is just being inserted.
- the section 12 of the thread F encloses an angle ⁇ with the last turn 11 'immediately adjacent to the turns 11 in the thread supply S.
- the stand-by tensile force P is permanently effective.
- Storage area 4 extends substantially straight line, the free end F 'of the thread F moves further from the main nozzle 15 into the compartment, namely by a dimension L1.
- this increase in length means that the next time the cutting device 18 is actuated to cut a section of the thread F "just processed, a piece x of the thread F is cut off which falls freely or is carried into the compartment.
- These free thread pieces x fall from each thread during the resting phase, which gradually becomes a strong one Contamination in the entry inlet and leads to uncontrollable errors in the tissue.
- Storage member 2 is adjustable towards the thread supply S until the axial distance between the stop element 13 and the last turn 11 'has a maximum value A, at which it is ensured that the angle between the last turn 11' and the section 12 of the thread F only reaches a maximum value ⁇ max , at which the axial component from the standby tensile force P is no longer sufficient, the last turn 11 'in the
- the thread storage and delivery device 1 according to FIG. 3 has the components shown in FIG. 1 and works in the same way with the weaving machine shown in FIG. 1. If the diameter of the thread
- Storage area 4 of the storage member 2 is adjustable, a single stop element 13 is sufficient to measure the exact length of the thread section. However, is with the
- Thread storage and delivery device 1 the diameter of the storage area 4 of the storage member 2 is not
- Stop element 13 is provided with drive elements, e.g. one
- Magnetic coil and a magnet armature housed in a housing 20 The housing 20 is at a radial distance from the storage surface 4 of the drum-shaped
- the thread supply S is at a distance from the stop element 13 with the maximum value A max according to FIG. 3.
- the thread supply S there is a thread with a very small diameter so that the last turn 11 'lies at a considerable axial distance from the right end of the storage area 4 .
- the storage member 2 is provided with several axially aligned and spaced apart
- Stop element 13 each has a recess 25
- the stop element 13 can be adjusted in three stages. However, it is also conceivable to adjust the housing 20 continuously in the housing 21. Then, instead of the three depressions 25, an axial groove 26 which is open toward the storage surface 4 is expedient.
- the housing 21 is fixed in a holder 22.
- the maximum sensor 8 indicated in FIG. 3 could be structurally combined with the housing 20 in the housing 21 (FIGS. 4, 5), so that when the maximum sensor 8 is adjusted when changing to another thread quality, the stop element 13 is simultaneously adjusted accordingly .
- the value A max of the distance between the stop element and the last thread turn 11 or the maximum sensor 8 can then be set in advance. In view of the fact that at different Thread qualities of the value A max should be varied, it is then expedient to also have a relative axial
- a stepped or a stepless adjustment of the stop element in the axial direction is shown.
- the housing 20 could be held displaceably in an axial guide and adjustable by means of a screw spindle. It would also be conceivable to adjust the housing 20 or the stop element 13 sensitively by means of an eccentric. Corresponding scales, which are visible from the outside, show an exact check of the respective setting.
- a further possibility for adjusting the stop element 13 consists in the stop element 13 inserted in the form of a pin on a longer one in the axial direction
- Stop element carrier which moves with the stop element 13 between the stop position and the passive position, can be attached or moved.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89911057T ATE100876T1 (de) | 1988-10-06 | 1989-10-05 | Fadenspeicher- und -liefervorrichtung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3834055 | 1988-10-06 | ||
DE3834055A DE3834055C1 (de) | 1988-10-06 | 1988-10-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0438439A1 true EP0438439A1 (de) | 1991-07-31 |
EP0438439B1 EP0438439B1 (de) | 1994-01-26 |
Family
ID=6364542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89911057A Expired - Lifetime EP0438439B1 (de) | 1988-10-06 | 1989-10-05 | Fadenspeicher- und -liefervorrichtung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5170822A (de) |
EP (1) | EP0438439B1 (de) |
JP (1) | JP2961376B2 (de) |
KR (1) | KR970007689B1 (de) |
CZ (1) | CZ278713B6 (de) |
DE (2) | DE3834055C1 (de) |
WO (1) | WO1990004057A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19942121A1 (de) * | 1999-09-03 | 2001-03-08 | Iro Patent Ag Baar | Verfahren zum Steuern eines Fadenverarbeitungssystems und Fadenverarbeitungssystem |
CZ304713B6 (cs) * | 2013-12-20 | 2014-09-03 | Rieter Cz S.R.O. | Způsob odstranění příze, zejména vadné příze, z mezizásobníku příze na pracovním místě textilního stroje a zařízení k jeho provádění |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4529017A (en) * | 1982-08-21 | 1985-07-16 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Apparatus for measuring the length of weft yarn for a loom |
BE890082A (nl) * | 1981-08-26 | 1982-02-26 | Picanol Nv | Draadvoorbereidingsinrichting voor schietspoelloze getouwen |
JPS59482U (ja) * | 1982-06-25 | 1984-01-05 | 津田駒工業株式会社 | 流体噴射式織機用緯糸貯留装置 |
BE900492A (nl) * | 1984-09-04 | 1985-03-04 | Picanol Nv | Snelheidsregeling van inslagvoorafwikkelaar bij weefgetouwen. |
DE3663374D1 (en) * | 1985-12-09 | 1989-06-22 | Picanol Nv | Process for unwinding a thread from a reel in looms, and arrangement used therefor |
IT1188625B (it) * | 1986-03-25 | 1988-01-20 | Roy Electrotex Spa | Dispositivo smorzatore delle oscillazioni e vibrazioni dei fili di trama in dispositivo alimentatori della trama per telai ad aria |
BE905471A (nl) * | 1986-09-23 | 1987-03-23 | Picanol Nv | Werkwijze om bij weefmaschines de lengte van de in de gaap te brengen inslagdraad te regelen en inrichtingen hierbij aangewend. |
SE8800839D0 (sv) * | 1988-03-09 | 1988-03-09 | Iro Ab | Forfarande och anordning for hastighetsreglering av en fournissor for mellan-lagring av garn, trad eller dylikt |
-
1988
- 1988-10-06 DE DE3834055A patent/DE3834055C1/de not_active Expired
-
1989
- 1989-10-04 CZ CS895645A patent/CZ278713B6/cs not_active IP Right Cessation
- 1989-10-05 US US07/674,371 patent/US5170822A/en not_active Expired - Fee Related
- 1989-10-05 JP JP1510412A patent/JP2961376B2/ja not_active Expired - Fee Related
- 1989-10-05 KR KR1019900701206A patent/KR970007689B1/ko not_active IP Right Cessation
- 1989-10-05 WO PCT/EP1989/001165 patent/WO1990004057A1/de active IP Right Grant
- 1989-10-05 DE DE89911057T patent/DE58906848D1/de not_active Expired - Fee Related
- 1989-10-05 EP EP89911057A patent/EP0438439B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9004057A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR970007689B1 (ko) | 1997-05-15 |
JPH04501142A (ja) | 1992-02-27 |
DE3834055C1 (de) | 1989-12-28 |
KR900702103A (ko) | 1990-12-05 |
WO1990004057A1 (de) | 1990-04-19 |
US5170822A (en) | 1992-12-15 |
CZ278713B6 (en) | 1994-05-18 |
JP2961376B2 (ja) | 1999-10-12 |
CS8905645A2 (en) | 1991-08-13 |
DE58906848D1 (de) | 1994-03-10 |
EP0438439B1 (de) | 1994-01-26 |
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