EP1114214A1 - Strand or lamella feeding system - Google Patents
Strand or lamella feeding systemInfo
- Publication number
- EP1114214A1 EP1114214A1 EP99938116A EP99938116A EP1114214A1 EP 1114214 A1 EP1114214 A1 EP 1114214A1 EP 99938116 A EP99938116 A EP 99938116A EP 99938116 A EP99938116 A EP 99938116A EP 1114214 A1 EP1114214 A1 EP 1114214A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- feed rail
- feed
- inclination
- elements
- 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
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/14—Apparatus for threading warp stop-motion droppers, healds, or reeds
Definitions
- the invention relates to a device for feeding weaving harness elements, in particular healds or lamellae, for the subsequent separation thereof in a separating station of a drawing-in machine which has at least one feed rail on which the weaving harness elements can be arranged, the weaving harness elements with guiding elements, such as guide rails, for this purpose. are provided with which the weaving tableware elements encompass the at least one feed rail.
- tableware such as strands and lamellas must be pulled onto the warp thread with a warp threading machine. This is usually done by feeding a stack of the respective woven tableware elements to a separating station.
- separation stations for strands or lamellae are known per se.
- the separating stations for healds differ from those for lamellae m as a rule in terms of their structural design, they have in common that they each take a weaving harness element, namely the foremost element, from the stack of weaving harness elements.
- a transport device then transports the individual weaving tableware element to another point on the warp threading machine at which the weaving tableware is arranged on a warp thread.
- the invention is therefore based on the object of creating devices for feeding weaving harness elements, such as either strands or lamellae, into a separating station, the functional reliability of which is improved compared to corresponding previously known devices.
- the slope or inclination of the rail in the direction of the separation station corresponds approximately to the coefficient of static or sliding friction between the supply rail and the strands arranged on the rail.
- a pressing force on the separating station that is essentially independent of the weight of the strand stack can thus be generated.
- the angle of inclination of the rail deviates by at most 30%, particularly preferably at most 20%, from an angle of inclination at which there is a balance between the weight of the strand stack and the static or sliding friction force which occurs during the separation or .Adjustment of feed between the strands and the guide rail. This condition can be expressed as a formula as follows:
- the apparatus comprises a carriage which ge ⁇ imprinted gene the heald If the supply rail also provided with the above-described inclination angle -.
- gabt ⁇ ebskraft between the friction or sliding friction and the Han at least m there is an equilibrium - the strands are in contact with the separating station with an essentially constant contact force, which results from the weight of the slide or another contact element and is independent of the weight of the strand stack and thus of the number of strands.
- Fig. 1 is a perspective view of a Kettfader- drawing machine according to CH 682 577;
- Fig. 2 shows an example of a feed module
- 3a shows an inventive feed device for
- FIG. 3b shows the feed device from FIG. 3a with a trapezoidal heald stack
- Fig. 4 shows an example of two feed rails
- FIG. 5 shows a further example of two feed rails of the device from FIG. 3a in a cross-sectional representation
- FIG. 6 shows a feed device for lamellae according to the invention.
- FIG. 1 shows a warp threading machine.
- This consists of a base frame 1 and of various sub-assemblies, each of which forms a functional module.
- a warp-beam carriage 2 having ei ⁇ nem can be seen in this arranged warp beam.
- the warp beam carriage 3 also contains a lifting device 4 for holding a frame 5 on which the warp threads KF are stretched.
- the warp beam carriage 2 is moved with the warp beam 3 of the lifting device 4 to the so-called up-side of the retracting machine and the frame 5 is lifted up and hung in by the lifting device 4, where it then assumes the position shown.
- the frame 5 and the warp beam 3 are moved in the longitudinal direction of the base frame 1. With this shifting, the warp threads KF are guided past a thread separation stage 6 and separated and divided. After the division, the warp threads are cut off and a drawing needle 7 is formed, which forms part of the so-called drawing module.
- a screen 8 which belongs to an operating station and is used to display machine functions and machine malfunctions and for data input.
- the control station is part of one - 6, -
- the drawing-in machine is controlled by a control module, which comprises a control computer and is arranged in a control box 9.
- This control computer preferably comprises an individual module computer for each function module, which is controlled and monitored by the control computer.
- the main modules of a drawing-in machine also include the strand, lamella and sheet module.
- the warp thread and the individual tableware elements, i.e. the strands or lamellae, which the warp threads are to be drawn in, are fed.
- the so-called crockery strands, lamella and leaf
- the warp thread guarding lines LA are stacked in hand magazines and transferred to a feed device according to the invention which will be described in more detail below. After pulling in on a warp thread, the lamellae arrive on lamella support rails 12 on the abrasion side.
- the strands LI are lined up in a further feed device according to the invention - and also to be explained in more detail below - and automatically moved to a separating station.
- the strands are brought individually into their retracted position and after the warp thread distributed on the corresponding heald frames 14 on the Abrust ⁇ side.
- the reed is likewise moved in steps past the drawing-in needle, the corresponding leaf tooth for a ⁇ opens train.
- the __ reed WB (partially shown to the right of the heald frames 14) is also on the abrasion side.
- a so-called crockery trolley 15 is provided on the run-off side. This is inserted together with the supporting members attached to it - the lamella support rails 12, heald frames 14 and a holder for the reed - m the position shown m the base frame and carries the dishes with the warp thread after being drawn in.
- FIG. 1 is to be understood purely for illustrative purposes: the warp threading machine, with which the device according to the invention for receiving, holding and feeding tableware elements, e.g. to be installed as a module can, in whole or in detail, differ considerably from the machine shown in FIG. 1.
- the drawing-in needle 7 which forms the main component of the drawing-in module, comprises a gripper belt 16 and a clamping gripper 17 carried by the latter.
- the drawing-in needle 7 is one in the stroke direction (arrow P) channel-like guide 18, which extends from the frame 5 m straight direction to an arcuate end part 19.
- the guide 18 passes through the drawing-in machine and is interrupted in the area of the tableware elements (lamella LA, strands LI) and the reed WB in order to feed the tableware elements to the drawing-in position and to transport them further after the drawing-in has taken place until transfer (arrow S) to the supporting elements (Slat support rails 12 or heald frames 14) and the drawing in of the warp thread ms reed WB (the so-called leaf pricking).
- the slats LA or the strands LI are fed to their retracted position and transported further until they are handed over to the respective support members by a slat distribution LD or strand distribution HD sub-module.
- a slat distribution LD or strand distribution HD sub-module In order to ensure the safe functioning of the two sub-modules, it is necessary that the respective weaving harness elements are supplied to them individually and at the right time, to which the present invention makes a contribution.
- Both sub-modules LD and HD perform the same functions in principle by taking over the tableware elements offered to them sequentially or step by step, transporting them to the intake point and, after the warp thread has been drawn in, transporting them to a transfer point, where the transfer to the supporting elements, i.e. the lamellar support rails 12 or lugs 14 are carried out.
- FIG. 3a now shows a device for supplying lightning LI to a separating station 30.
- This has a lower and an upper feed rail 31, 32 for guiding the healds.
- the device is provided with a third rail in the form of a guide rail 34 for a slide 35, which is located below the lower feed rail 31.
- the three show Rails each have the same angle of inclination ( ⁇ ), which is 10 ° in the exemplary embodiment shown. Due to the inclination, the two feed rails 31, 32 are aligned in such a way that they are inclined 30 m downwards from an insertion end 36 to the separating station, shown in a highly schematic manner.
- the feed rails 31, 32 thus maintain an inclination up to the separating station 30.
- a coupling element 37, 38 is attached to each of the upper insertion ends 36 of the two feed rails 31, 32, to which (not shown) hand magazines for heald stacks can be detachably attached.
- the coupling elements 37, 38 thus make it possible to transfer a stack of strands from a hand magazine to the feed rails 31, 32.
- In the area of the lower separating end of the upper feed rail 32 is one
- Stopper 39 attached, which on the one hand prevents strands 33 from falling off the feed rail 32. On the other hand, the stopper 39 supports the positioning of the first strand of the separating station 30.
- the distance A between the two feed rails 31, 32, which run parallel to one another in the strand-free state, is selected such that the strands respectively introduced with their upper and lower guide bushes 43, 44 on the two feed rails 31, 32 are essentially at one another can move the rails without snagging or jamming (see Fig. 4 and 5).
- the feed rails 31, 32 are at a distance from one another by which the strands can move on the feed rails at least slightly within the plane of the drawing in FIG. 3a and essentially vertically to the direction of transport of the strands arranged by arrow 45.
- the direction of transport runs parallel to the longitudinal axes of the rails.
- the two feed rails 31, 32 and the guide rail 34 are on a frame 46 attached, which is connected to the warp threading machine.
- the lower feed rail 32 is rotatably mounted on the frame about an axis of rotation 40 oriented vertically to the plane of the drawing.
- the axis of rotation 40 is located between the guide rail and the feed rail 31 in the region of the lower end of the feed rail 31 and thus also in the region of the separating station 30.
- the feed rail 31 is also provided with a compression spring, not shown, which acts against the weight G of the feed rail works. The spring engages - seen from the axis of rotation and in the longitudinal direction of the feed rail - behind the center of gravity of the feed rail 31.
- a lever arm Di with which the weight force G of the feed rail 31 rotates about the axis of rotation 40, is smaller than the lever arm D 2 with which the spring force F F generates a moment with respect to the axis of rotation 40.
- the spring force FF is dimensioned in such a way that the weight G and the spring force F F result in at least approximately a torque equilibrium with respect to the axis of rotation 40.
- the equation F G * D ⁇ ⁇ F F * D 2 applies.
- the inclination of the lower feed rail 31 adapts to the orientation of the strand stack.
- the strands 33 may well be deformed. This can lead to strands 33 of the stack not being arranged orthogonally but obliquely with respect to the upper feed rail 31, as is the case with the strand stack in FIG. 3b for the transporting strands 33 behind the stack.
- the corresponding strands of the stack therefore tend to get caught with one of their guide lugs on one of the feed rails, as a result of which the pressing force required for transporting these strands on the feed rails 31, 32 is applied. increases.
- the carriage 35 is arranged to be movable on the guide rail 34, for which purpose it is supported on the guide rail 34 via roller bearings, namely three rollers 47.
- the carriage 35 has a first C-shaped bracket 48 which engages around the guide rail 34 and guides the carriage 35 on the guide rail.
- a second boom 49 which protrudes above an upper side 50 of the lower feed rail 31, the carriage 35 presses against the - transport direction 45 - the last strand of a strand stack.
- the force that can be achieved with the carriage 35 - which can also be used as the pressing force of the first strand in each case on the separating station 30 - results essentially from the inclination of the two rails 32, 34, the mass of the carriage 35, the mass of the strand stack, the friction between the strands 33 and the feed rails 31, 32 and the friction between the carriage 35 and the guide rail 34. Since in the exemplary embodiment shown the inclination - and thus the slope force - we ⁇ is sentlich larger than the resultant of rolling friction __ of the carriage 35, and friction of the strands 33 on the two feed rails 31, 32, there is port direction a force in the transport, which is used for exposure of the strands 33rd
- FIG. 6 shows a device according to the invention for feeding and magazining slats 133.
- the device has a feed rail 131, which is provided with a first and a second section 140, 141.
- the two sections 140, 141 are inclined with respect to a horizontal with different angles of inclination ⁇ ⁇ and ⁇ ⁇ .
- the angles of inclination ⁇ , ⁇ x are also constant - apart from the transitions from one section to the other.
- the section 141 thus maintains its angle of inclination up to the end of the feed rail 131 m of the separating station 130.
- the exemplary embodiment shown the
- the insertion end 136 there is an essentially horizontal third section 142 of the feed rail.
- a pivot rail 151 with its free end 152 can be attached to this end of the feed rail 131.
- the other end of the swivel rail is fastened in a swivel bearing 153, through which the swivel rail 151 can be swiveled in an essentially horizontal plane.
- Both the swivel rail 151 and the feed rail 131 are on a common frame 146 held, which in turn can be attached to a warp threading machine.
- a first lock 154 is arranged in the region of a transition from the essentially horizontal section 142 to the section 141 with the greatest inclination.
- This __ lock 154 has a pneumatically actuated clamping arm 155 which bears against the feed rail 131 in a first end position and is arranged at a distance from the feed rail 131 in a second end position. In the first end position, the clamping arm thus retains slats, while in its second end position it allows the slats to be transported further in the direction of the separating station 130.
- a second lock 156 is provided in the area of the transition from section 141 with the larger angle of inclination ⁇ to section 140 with the smaller angle of inclination ⁇ .
- a third lock 157 is arranged in the region of the end of the feed rail located in the separating station.
- Both the second and the third lock 156, 157 have a shut-off element comparable to the clamping arm of the first lock, which can be arranged in two end positions.
- the respective shut-off elements of the second and third locks 156, 157 in their first end position block the rail against - seen in the direction of transport - the slats being fed behind the respective lock. In other words, in this end position, the locks hold back the slats arranged in front of them on the rail in the transport direction.
- the locks are designed in such a way that the shut-off elements clamp the feed rail 131 in their first end position, as a result of which this can be held by a lock alone.
- the feed rail which is not directly attached to the frame, is therefore held by the locks alone, depending on the switching state of the locks, by one or more of the three locks 154, 156, 157.
- Swivel rail 151 is attached, a also swiveling contact 158 is arranged.
- the presser 158 has a hydraulically actuable pressure cylinder which is actuated by a central control of the drawing-in machine.
- a pressing element 160 is arranged, with which the pressing device 158 presses against the last lamella of a stack of lamellae, which - as seen in the transport direction 145 - is located behind the second lock 156.
- a preferably inductive sensor 161 is arranged on the cylinder of the presser, with which the presence of fins 133 and / or a certain size of a stack of fins on the feed rail 131 can be detected.
- the sensor detects a certain piston position that corresponds to a certain remaining number of fins 133. When this position is reached, the sensor sends a signal to the control.
- a slide could be provided instead of the pneumatic presser, similar to the embodiment of FIG. 3a.
- This carriage could be guided on a separate guide rail and only press against the stack of slats due to its own weight.
- the overall downward slope force resulting from the weight of the slide is equal to or greater than the frictional forces between the slide and its rail, as well as the slats and the feed rail 131
- Angle of inclination ⁇ of the first section 140 of the feed rail is preferably chosen so that the slope down force of the slats on the rail resulting from the weight essentially corresponds to the static friction force between the metal slats 133 and the metal feed rail 131.
- the loading of the device according to the invention shown in FIG. 6 and the magazine of slats can be carried out as follows. While a stack of fins lying in the separation station 130 is being processed, a new stack of fins is lined up on the swivel rail 151 and prepared for transfer to the feed rail 131. By swiveling the swivel rail 151 onto the section 142 of the feed rail, this stack of lamellae can then be transferred to the feed rail 131. Since the first lock is 154 m from its locked position at this time, the new stack of slats is held back by this lock.
- the second lock 156 is also closed and the third lock 157 is open. If it is ensured that the second lock is actually closed, the first lock 154 is opened, as a result of which the new stack of slats can be pushed manually in front of the second lock 156.
- the presser 158 continues to print against the stack of fins lying at the separation point. Each time a lamella is removed from the lamella stack, the presser 158 receives a feed which corresponds approximately to the thickness of a lamella. As soon as the sensor 161 of the pressing device 158 responds, it sends a signal to the controller (not shown) of the drawing machine. The sensor emits its signal m, for example, when the separation station 130 detects the lamellae that were previously located in front of the separation point. stapeis has largely processed. Because of this Si gnals ⁇ of the sensor is then the third and the first sheath 154, 157 closed and the second sheath 156 opens.
- the new stack of lamella slips up to the third lock 157 and is in contact with its shut-off device.
- the stack of lamellae is now located between the third and the second lock 157, 156.
- the second lock 156 is then closed and the third and first lock 157, 154 opened.
- the first and second locks 154, 156 are thus again ready to take over a further stack of slats from the swivel rail 151, which stack can be stacked on the feed rail 131 as a stack of slats.
- the presser 158 has moved back to the end of the stack of fins now arranged in front of the separating station 130.
- the pressing device is brought into contact with the stack of lamellae.
- the presser now presses against the stack of plates with a certain force.
- the magnitude of the force is dimensioned such that the separating station 130 can securely grasp and transport the foremost lamella (and only this lamella).
- the pressing device always presses against the lamella stack with a constant force after each removal of a lamella.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
- Looms (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Catalysts (AREA)
- Radiation-Therapy Devices (AREA)
- Resistance Heating (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Disintegrating Or Milling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH186498 | 1998-09-14 | ||
CH186498 | 1998-09-14 | ||
PCT/CH1999/000388 WO2000015888A1 (en) | 1998-09-14 | 1999-08-24 | Strand or lamella feeding system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1114214A1 true EP1114214A1 (en) | 2001-07-11 |
EP1114214B1 EP1114214B1 (en) | 2003-03-26 |
Family
ID=4220396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99938116A Expired - Lifetime EP1114214B1 (en) | 1998-09-14 | 1999-08-24 | Strand or lamella feeding system |
Country Status (14)
Country | Link |
---|---|
US (1) | US6397443B1 (en) |
EP (1) | EP1114214B1 (en) |
JP (1) | JP2002525442A (en) |
KR (1) | KR100454168B1 (en) |
CN (1) | CN1105200C (en) |
AT (1) | ATE235587T1 (en) |
AU (1) | AU5276099A (en) |
CZ (1) | CZ2001838A3 (en) |
DE (1) | DE59904763D1 (en) |
ES (1) | ES2196842T3 (en) |
PT (1) | PT1114214E (en) |
TR (1) | TR200100750T2 (en) |
TW (1) | TW466283B (en) |
WO (1) | WO2000015888A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7178558B2 (en) * | 2005-04-25 | 2007-02-20 | Massachusetts Institute Of Technology | Modular weaving for short production runs |
US7318456B2 (en) * | 2005-04-25 | 2008-01-15 | Massachusetts Institute Of Technology | Modular weaving system with individual yarn control |
EP2199443B1 (en) * | 2008-12-19 | 2016-03-16 | Stäubli AG Pfäffikon | Mobile drawing-in unit |
CN102691161B (en) * | 2012-06-08 | 2013-10-30 | 烟台宋和科技股份有限公司 | Separation method of dropper moving device |
CN103753803B (en) * | 2014-01-17 | 2016-03-02 | 苏州市职业大学 | A kind of automatic conveyor |
CN103935773B (en) * | 2014-04-21 | 2016-02-17 | 深圳市海弘装备技术有限公司 | A kind of apparatus and method being separated for heald and carrying |
CN106012253B (en) * | 2016-07-29 | 2017-10-24 | 江阴市通源纺机有限公司 | The quick Yarn-feeding mechanism of machine of gaiting |
CN108588951B (en) * | 2018-06-14 | 2024-04-30 | 广东溢达纺织有限公司 | Heddle branch mechanism |
CN108532082B (en) * | 2018-06-14 | 2024-01-30 | 广东溢达纺织有限公司 | Heddle splitting and arraying machine |
EP3754070B1 (en) | 2019-06-17 | 2023-06-07 | Groz-Beckert KG | Device and method for handling weaving harness elements |
PT3754071T (en) * | 2019-06-17 | 2022-05-11 | Groz Beckert Kg | Method, device, movable cart and retraction machine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57501846A (en) * | 1980-10-23 | 1982-10-14 | ||
JPS6420359A (en) * | 1987-07-10 | 1989-01-24 | Teijin Seiki Co Ltd | Heald transfer apparatus |
CH679871A5 (en) | 1989-10-04 | 1992-04-30 | Zellweger Uster Ag | |
DE4025230C1 (en) * | 1990-08-09 | 1992-04-23 | Franz Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach, De | |
CH682577A5 (en) * | 1990-09-17 | 1993-10-15 | Zellweger Uster Ag | Device for handling strands or lamellae in a warp drawing. |
CH687027A5 (en) * | 1992-03-11 | 1996-08-30 | Staeubli Ag Zweigwerk Sargans | Lamellensepariervorrichtung for Kettfadeneinziehmaschinen. |
IT234325Y1 (en) * | 1994-05-18 | 2000-03-09 | Progetto Automazione Srl | AUTOMATIC DISPENSER FOR STACKED PACKAGING. |
EP0806506A3 (en) * | 1996-05-08 | 1999-05-12 | Hamamatsu Photonics K.K. | Flat heald/dropper-drawing/separating method and apparatus |
-
1999
- 1999-08-24 AU AU52760/99A patent/AU5276099A/en not_active Abandoned
- 1999-08-24 KR KR10-2001-7003200A patent/KR100454168B1/en not_active IP Right Cessation
- 1999-08-24 DE DE59904763T patent/DE59904763D1/en not_active Expired - Lifetime
- 1999-08-24 ES ES99938116T patent/ES2196842T3/en not_active Expired - Lifetime
- 1999-08-24 JP JP2000570403A patent/JP2002525442A/en active Pending
- 1999-08-24 EP EP99938116A patent/EP1114214B1/en not_active Expired - Lifetime
- 1999-08-24 AT AT99938116T patent/ATE235587T1/en not_active IP Right Cessation
- 1999-08-24 WO PCT/CH1999/000388 patent/WO2000015888A1/en not_active Application Discontinuation
- 1999-08-24 CZ CZ2001838A patent/CZ2001838A3/en unknown
- 1999-08-24 TR TR2001/00750T patent/TR200100750T2/en unknown
- 1999-08-24 CN CN99810875A patent/CN1105200C/en not_active Expired - Lifetime
- 1999-08-24 PT PT99938116T patent/PT1114214E/en unknown
- 1999-08-24 US US09/787,090 patent/US6397443B1/en not_active Expired - Lifetime
- 1999-09-13 TW TW088115736A patent/TW466283B/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0015888A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1318116A (en) | 2001-10-17 |
CN1105200C (en) | 2003-04-09 |
KR100454168B1 (en) | 2004-10-26 |
TR200100750T2 (en) | 2001-07-23 |
WO2000015888A1 (en) | 2000-03-23 |
AU5276099A (en) | 2000-04-03 |
ATE235587T1 (en) | 2003-04-15 |
EP1114214B1 (en) | 2003-03-26 |
CZ2001838A3 (en) | 2001-09-12 |
TW466283B (en) | 2001-12-01 |
DE59904763D1 (en) | 2003-04-30 |
US6397443B1 (en) | 2002-06-04 |
JP2002525442A (en) | 2002-08-13 |
KR20010075061A (en) | 2001-08-09 |
ES2196842T3 (en) | 2003-12-16 |
PT1114214E (en) | 2003-08-29 |
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