CN103320945A - Yarn-feeding/recovering method for textile machines, and apparatus for carrying out such method - Google Patents
Yarn-feeding/recovering method for textile machines, and apparatus for carrying out such method Download PDFInfo
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- CN103320945A CN103320945A CN2013100162798A CN201310016279A CN103320945A CN 103320945 A CN103320945 A CN 103320945A CN 2013100162798 A CN2013100162798 A CN 2013100162798A CN 201310016279 A CN201310016279 A CN 201310016279A CN 103320945 A CN103320945 A CN 103320945A
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- yarn
- spool
- cylinder
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- weaving loom
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/18—Driven rotary elements
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- 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
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- 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
- D03D47/347—Yarn brakes
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- 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
-
- 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
- D03D47/367—Monitoring yarn quantity on the drum
-
- 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
- D04B15/94—Driving-gear not otherwise provided for
- D04B15/99—Driving-gear not otherwise provided for electrically controlled
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/10—Indicating, warning, or safety devices, e.g. stop motions
- D04B35/14—Indicating, warning, or safety devices, e.g. stop motions responsive to thread breakage
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Looms (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
A yarn-feeding/recovering method for textile machines, in which a textile machine receives yarn from a yarn-feeding device via a yarn-recovering device provided with a motorized reel having a passage defined therein which is passed through by the yarn and extends between an inlet port open to the middle of the free end of the reel and an outlet port formed on the lateral surface of the reel, said yarn-recovering device being operable for temporarily recovering an amount of yarn already delivered to the machine and for giving it back at a later time, and in which the tension of the yarn, with said reel in a position of minimum interference with the yarn, is maintained substantially constant on a reference value by adjusting means on the basis of a measured tension signal generated by sensor means, wherein it comprises the steps of obtaining a consumption indicator, which is indicative of the delivery of yarn from said yarn-feeding device and is independent from any operative signals from said textile machine and, if said consumption indicator indicates an interruption in the delivery of yarn, temporarily disabling said adjusting means and temporarily enabling said yarn-recovering device to rotate at a speed modulated on the basis of said measured tension signal for maintaining the tension of the yarn substantially constant on said reference value. The invention also relates to an apparatus for carrying out such method.
Description
Technical field
The present invention relates to present/recovery method and the equipment of carrying out this method for the yarn of weaving loom.
Background technology
At field of textiles, known weft yarn feeder is provided with stable cylinder, and on this stable cylinder, motor-driven turning arm twines a plurality of yarn coils and forms storing (stock).Yarn from the cylinder unwinding under the demand of the weaving loom that is arranged at the downstream stands to stablize brake, and this stable brake remains on the unwinding yarn under the small tension force.Stable brake generally includes hollow truncated cone shape member, and this hollow truncated cone shape member is biased to by manual adjustable elastic device and makes its inner surface be resisted against the delivery edge of cylinder.
As the description among the EP2031106, to present tension force and keep constant basically in order to make, the paper tinsel base brake of describing among controllable brake, for example EP0622485 can be arranged on the feeder downstream.This brake is controlled by backfeed loop, this backfeed loop receives the tension signal that records from sensor, then the reference tension force of this tension signal in indicative of desired tension force is compared, finally regulate braking action, make with reference to tension force and record difference minimum between the tension force.
Known a kind of feeder also, yarn is wrapped on the rotating cylinder, and this rotating cylinder is pulled out yarn and it is fed to the weaving loom in downstream from spool.In this case, as situation before, thereby by always regulating the rotating speed control of cylinder from the yarn tension of feeder unwinding based on the signal that receives from tension pick-up.Therefore, in other words, determine the variation of the tension force that will apply by the difference between the yarn drawing velocity of setting on yarn feed rate and the downstream loom.
As everyone knows, some specifically handles, for example weaves heel of a sock needs periodically to reclaim to return the yarn that is fed to weaving loom then.This operation is carried out by the specific retracting device that is arranged on the weaving loom upstream usually.
The retracting device of this type is described and consists essentially of motor-driven spool in EP1741817, this motor-driven spool has the ramp way that is limited to wherein, and yarn is advanced by this ramp way.This passage extends between import and outlet, and this import axially is formed on the end face of spool, and outlet is formed on the cylindrical side of spool.When need reclaimed a certain amount of yarn, the weaving loom in downstream sent to the retracting device that makes that spool rotates with signal, thereby yarn is wrapped on the spool.
Well-knownly for those skilled in the art be, the key issue of said system is to coordinate the operation of brakes and the operation of recovery system, this brakes is operated based on the yarn tension that records, this recovery system can be based on predetermined pattern and in response to the instruction of sending from the downstream weaving loom, a difficult problem of bringing is, for example in the recycling step relevant with contingent burst situation (for example yarn breakage), what be difficult to accurately to control yarn presents parameter and state.
Summary of the invention
Main purpose of the present invention is to provide a kind of yarn feed function and yarn of making to reclaim function with and more accurate way coordinated with each other method more reliable than prior art, and is especially relevant with yarn tension control in recycling step and be correlated with the reaction in the accident situation such as yarn breakage; And the present invention also aims to provide a kind of for the equipment of carrying out this kind method.
The more clearly above-mentioned purpose and other advantage of can becoming from following description realize by the method with feature according to claim 1 and the equipment with the described feature of claim 7, although and dependent claims has been stated other less important favourable feature of this aspect.
Description of drawings
Now with reference to describing the present invention in more detail by the embodiment several preferable, non-exclusionism shown in the non-limitative example in the accompanying drawing, in the accompanying drawings:
Show to Fig. 1 example for the equipment of carrying out the inventive method;
Fig. 2 is the side view that is used in the retracting device of the known type in the equipment shown in Figure 1;
Fig. 3 is the figure that is similar to Fig. 2, but shows the retracting device that is in the different operating structure;
Fig. 4 shows the flow chart according to the step of the inventive method;
Show to Fig. 5 example for the equipment of carrying out the method for alternate embodiment according to the present invention;
Fig. 6 is the stereogram with yarn feeder of rotary drum, and transformation becomes to be combined with equipment shown in Figure 5 this yarn feeder according to the present invention;
Fig. 7 is the front view of yarn feeder shown in Figure 6;
Fig. 8 is the side view of yarn feeder shown in Figure 6;
Fig. 9 is the cutaway view that is similar to Fig. 8, shows along the yarn feeder of Fig. 7 axis IX-IX intercepting;
Figure 10 is the sectional elevation view of the yarn feeder shown in Figure 6 of the axis X-X intercepting along Fig. 8;
Figure 11 is the figure that is similar to Fig. 7, but magnification ratio is shown and be in yarn feeder in the different operating structure;
Figure 12 shows the flow chart of the step of the method for alternate embodiment according to the present invention.
The specific embodiment
Fig. 1 exemplarily shows yarn and presents/reclaimer 10, and this yarn presents/and reclaimer has yarn feeder 12, and this yarn feeder is provided with to stablize cylinder 14 and be provided with by motor 18 and drives the flywheel 16 that rotates.Flywheel is extracted yarn F out from bobbin 20, and with the shape of coil yarn is wrapped on the cylinder 14, to form storing.
The braking action that stands to stablize brake from the yarn F of cylinder unwinding under the demand of the general weaving loom 22 that is arranged at the downstream, this stable brake is suitable for making yarn to remain under the small tension force.Stable brake generally includes hollow truncated cone shape member 24, and this hollow truncated cone shape member 24 is biased to by elastic device 26 and makes its inner surface be resisted against the delivery edge of cylinder 14.
In self known mode, come the yarn F of self-stabilization brake to stand the braking action of electronic yarn brake apparatus (or brake) 28 again, this electronic yarn brake apparatus is generally comprised within the yarn feeder 12 by control module CU() tension force controll block TC controlled.CU programmes to control module, based on the signal that receives from tension pick-up 30 braking action that is put on yarn F by electronic brake 28 is regulated, remains on the referential data T_ref to the tension force substantial constant of the feasible yarn of carrying.
Storing on the cylinder 14 is controlled by ternary sensor.Be preferably the first sensor S1 detection of Hall element and passing through of flywheel 16 all-in-one-piece magnet M, to determine to be wrapped in amount of thread and the speed of wrap on the cylinder.The second sensor S2 that is preferably mechanical pick-up device provides the binary message about the minimum amount of thread that is present in cylinder 14 zone line places.The 3rd sensor S3 that is preferably optical pickocff produces a pulse UWP for each yarn coil from the cylinder unwinding.Speed assessment piece SE processing signals UWP, to calculate yarn consumption speed based on the time interval between the pulse UWP, and this speed assessment piece produces enabling signal LE, be higher than predetermined threshold (in this embodiment in this yarn consumption speed, this predetermined threshold preferably equals zero) time, this enabling signal makes tension force controll block work.The equipment of this type has been described in EP2031106, should be with reference to the document in order to describe in more detail.
The Yarn-recovering device 32 of describing and be shown specifically type among the EP1741817 in Fig. 2,3 is arranged between electronic brake 28 and the tension pick-up 30.
Yarn-recovering device 32 comprises spool 34, this spool by key be connected in motor 38, preferably stepper motor or alternative be the driving shaft 36 of brushless electric machine, it is provided with absolute sensor, to measure physical location based on technology known in the art.Spool 34 is arranged to make its axis A to be tilted with first angle [alpha] by arrow D indicated direction with respect to yarn F, makes the end face 34a sloping floor that deviates from motor 38 of spool to entering yarn.Spool 34 has axial cylindrical shape pedestal 40 at its end face 34a place.The passage 44 that is limited in the spool 34 is being opened to the import 44a of axial cylindrical shape pedestal 40 and is being opened between the outlet 44b of the side direction twisting surface 34b of spool and extend.Passage 44 is straight lines, and tilts with second angle beta that is substantially equal to first angle [alpha] with respect to the axis A of spool.The wear ring 46 of the inside full circle that will be made by pottery puts on the edge of cylindrical base 40.The yarn that enters that is applied to the upstream and downstream of spool 34 respectively guides eyelet 48 and leaves the par place that yarn guiding eyelet 50 is arranged on wear ring 46.
Yarn F passes the yarn guiding eyelet 50 in yarn guiding eyelet 48, cylindrical base 40, passage 44 and the downstream of upstream.As shown in Figure 3, by operating motor 38, the yarn in Yarn-recovering device downstream is wrapped on the spool 34.For Yarn-recovering device 32 is explained in more detail, should be with reference to EP1741817.
Adopt the method according to this invention, the for example description in the flow chart of Fig. 4, electronic brake 28 and Yarn-recovering device 32 alternately works according to the signal from the 3rd sensor S3, this signal indication yarn consumption and be independent of any other operation signal from downstream machine 32.
Specifically, as long as signal LE indication yarn is by unwinding (LE=1), control module CU regulates the braking action of electronic brake 28 constantly, so that tension force remains in referential data T_ref basically, the while Yarn-recovering device remains on the position with the yarn minimum interference as shown in Figure 2.When signal LE indicates yarn no longer from the cylinder unwinding (LE=0), the fact that this situation indication downstream machine has stopped the pull yarn or begun to return yarn, control module CU " freezes " braking action with last numerical value, if and the tension force T_meas that records is lower than low threshold value tension force T_lim_inf, then make Yarn-recovering device 32 can reclaim yarn, simultaneously to the speed V of Yarn-recovering device
RRRegulate constantly so that the tension force substantial constant remain in referential data T_ref.In this stage, the whole number of turns and part (fraction) number of turns N that monitoring is finished by spool 34.
It should be noted that, adopt the method according to this invention, spool 34 can rotate with the speed through regulating along both direction.In fact, in yarn recycling step process, the yarn that exceeds is wrapped on the spool 34 so that tension force remains in the horizontal T_ref of expectation, and after initial yarn recycling step, follow-up yarn demand from downstream machine can make spool 34 always rotate along opposite direction with controlled speed, thereby returns yarn; Yet, reaching initial position (N=0) before, can reclaim yarn again.When spool reached initial position, control module CU stopped spool 34, made electronic brake 28 work again, repeated this circulation then.
Shown in the flow chart among Fig. 4, two emergency conditions are provided, by these two emergency conditions, when working, Yarn-recovering device 32 ignores tension force control.First condition takes place when N reaches the numerical value of N corresponding with being stored in maximum amount of thread on the spool _ max.In this case, stop to handle and producing alarm signal.Second condition takes place when signal LE indicates yarn from the feeder unwinding; This means downstream machine with certain speed pull yarn, make yarn slide at spool 34.In this case, ignore tension force control, and automatically drive spool and turn to its resting position N=0.
Therefore, adopt this embodiment, signal LE is as consumption indicator, this consumption indicator indication yarn from the conveying of feeder and therefore yarn by the extraction of downstream machine; Based on this indicator, electronic brake 28 and Yarn-recovering device 32 alternately work as mentioned above.
Referring now to Fig. 5,, schematically show weft yarn feeder 100, this weft yarn feeder is provided with motor-driven cylinder 102, and yarn F' is wrapped on this motor-driven cylinder.Motor-driven cylinder 102 is delivered to the weaving loom 106 that is arranged on the downstream from bobbin 104 pull yarn F' and with yarn.Usually be generally comprised within the yarn feeder 102 by control module CU'() tension force from the yarn F' of feeder unwinding is controlled, make it remain in referential data T_ref basically, this control module is provided with tension force controll block TC', and this tension force controll block is based on from the rotating speed V of the signal that is installed on the tension pick-up 108 on the feeder to cylinder 102
RPRegulate.Therefore, determine the variation of the tension force that will apply by the difference between the yarn drawing velocity of setting on yarn feed rate and the downstream machine 106.
Yarn-recovering device 120 is arranged between motor-driven cylinder 102 and the tension pick-up; In the present embodiment, this Yarn-recovering device is included in the shell 103 of feeder 100, as describing in more detail in Fig. 6-11.Yarn-recovering device 120 comprises motor-driven spool 122, and this motor-driven spool is positioned to make its axis to be parallel to the axis of motor-driven cylinder 102.In addition in this case, the motor (not shown) of spool 122 be preferably stepping motor or alternative be brushless motor, this motor is provided with for the absolute sensor of measuring its physical location.Passage 124 is limited in the spool 122, and radially extend in import 126 with between exporting 128, the middle place of the free end 122a of these import 126 formation spools also makes its axis tilt with respect to the axis of spool 122, is formed on the side direction twisting surface 122b of spool and export 128.Import 126 and outlet 128 by inner full circle to reduce frictionally damage.
From the yarn F' of bobbin 104 pass be attached to feeder enter yarn guiding eyelet 130, be wrapped in cylinder 12 and traditional tension force limiter (does not fall within the scope of the invention, therefore do not describe further) arm 132 between, advance by passage 124, cooperate with the sensing element 134 of tension pick-up 108 then, finally pass and leave yarn guiding eyelet 136 to be fed to the machine in downstream, wherein, this passage 124 is positioned at resting position shown in Figure 10 still, make this passage not interfere with the path of yarn basically, and tension pick-up 108 is also contained in the shell 103 of feeder.Shown in Fig. 6-11, control module CU' is contained in the pedestal 138 of feeder 100 usually, and this pedestal also accommodates tension pick-up 108 and is provided with program button 140 and display 142.
Employing is according to the method for this alternate embodiment of the present invention, and this alternate embodiment schematically illustrates in the flow chart of Figure 12, and the cylinder 12 of feeder and the spool 122 of Yarn-recovering device 120 are according to the speed V of cylinder 102
RPAlternately work, this rate signal is independent of any other operation signal from downstream machine.
Specifically, as long as the speed V of cylinder 102
RPBe higher than zero, and this situation indication yarn is carried by feeder and thus by the fact of downstream machine pull, then cylinder 102 continues to rotate with the speed through regulating, thereby remains in referential data T_ref with making the tension force substantial constant, and spool 122 remains in resting position shown in Figure 10 simultaneously.Speed V at cylinder
RPBecome when equalling zero, this situation indication feeder stops to present yarn and the downstream machine fact that stops the pull yarn or begin to return yarn thus, and then control module CU' makes spool 122 with the speed V through regulating
RRReclaim yarn, thereby remain in referential data T_ref with making the tension force substantial constant.In this stage, the whole number of turns and part number of turns N that monitoring is finished by spool 122.
Embodiment before being similar to, spool 122 can be to rotate along both direction through the speed of regulating.In fact, in yarn recycling step process, the yarn that exceeds is wrapped on the spool 122 so that tension force remains in the horizontal T_ref of expectation, and after initial yarn recycling step, follow-up yarn demand from downstream machine can make spool 122 always rotate along opposite direction with controlled speed, thereby returns yarn; Yet, reaching initial position (N=0) before, can reclaim yarn again.When spool reached initial position N=0, control module CU' stopped spool 122, made cylinder 102 work again, repeated this circulation then.
Adopt this embodiment, also be provided with emergent the adjusting, can ignore tension force control by this emergent adjusting.Specifically, when N reaches the numerical value of N corresponding with being stored in maximum amount of thread on the spool _ max, stop to handle and producing alarm signal.
Therefore, adopt this embodiment, the speed V of cylinder
RPAs consumption indicator, this consumption indicator indication yarn by the conveying of feeder and therefore yarn by the extraction of downstream machine; Based on this indicator, cylinder 102 and spool 122 alternately work according to said method.
Describe some preferred embodiments of the present invention in this article, but can make many changes by those skilled in the art within the scope of the claims certainly.Specifically, in the first described embodiment, the alternative electronic brake 28 of the stable brake of describing in EP1059375 uses, and this stable brake applies controlled braking action for the unwinding yarn.In addition, in described embodiment, Yarn-recovering device always is located so that this Yarn-recovering device can occupy not the position of interfering with yarn, for first embodiment as shown in Figure 2, and for second embodiment as shown in figure 10.Yet the layout according to the weaving production line still can make yarn open partially even spool can be arranged to be in its resting position, and in this resting position, this spool applies minimum braking action for yarn.
Claims (10)
1. a yarn that is used for weaving loom is presented/recovery method, wherein:
Weaving loom (22,106) via Yarn-recovering device (32,120) receive from Yarn feeding device (12,100) yarn (F, F'), described Yarn-recovering device has motor-driven spool (34,122), described motor-driven spool has the passage (44 that is limited to wherein, 124), and described passage is passed by yarn and at import (44a, 126) and the outlet (44b, 128) extend between, free end (the 34a to described spool is opened in described import, centre 122a), described outlet then is formed on the lateral surface (34b of described spool, 122b), and described Yarn-recovering device (32,120) can operate with reclaim provisionally the amount of thread be delivered to described weaving loom and after described yarn is returned
And, when described spool (34,122) is in the minimum interference position with described yarn, record tension signal (T_meas, T'_meas) based on what produced by sensor device (30,108), the tension force of described yarn (F, F') is remained on the referential data (T_ref, T'_ref) by adjusting device (28,102) constant
It is characterized in that,
Obtain consumption indicator (LE, V
RP), described consumption indicator indicates yarn from the conveying of described Yarn feeding device (12,100), and is independent of any operation signal from described weaving loom (22,106), if described consumption indicator (V
RP, LE) interruption of indication yarn in carrying, then
Described adjusting device (28,102) is stopped using temporarily and described Yarn-recovering device (32,120) is worked temporarily, thereby recording the speed that tension signal (T_meas, T'_meas) regulates and rotate based on described, in order to the tension force substantial constant of described yarn remain on the described referential data (T_ref, T'_ref).
2. the method for claim 1, it is characterized in that, monitor described bobbin (34,122) with respect to the position (N) of the described minimum interference position of yarn, if and when described Yarn-recovering device works, described bobbin (34,122) gets back to described minimum interference position, described Yarn-recovering device is stopped using and described adjusting device (28,128) is worked again.
3. method as claimed in claim 1 or 2, it is characterized in that, monitor described bobbin (34,122) with respect to the position (N) of the described minimum interference position of described yarn, and realizing predeterminedly maximumly described bobbin (34,122) being stopped when reclaiming the number of turns.
4. as each described method in the claim 1 to 3, it is characterized in that, described Yarn feeding device (12) is provided with stablizes yarn winding cylinder (14), described yarn (F) twines the cylinder unwinding from described stable yarn under from the demand of described weaving loom (22), and described adjusting device comprises electronic yarn brake apparatus (28), described electronic yarn brake apparatus is arranged on described Yarn feeding device downstream, and controlled by control module (CU), wherein yarn is monitored by sensor device (S3) from the extraction of described stable cylinder (14), it is characterized in that, described consumption indicator comprises consumption signal (LE), and described consumption signal is based on the signal (UWP) that is produced by described sensor device (S3).
5. method as claimed in claim 4, it is characterized in that, monitor described bobbin (34) with respect to the position (N) of the described minimum interference position of yarn, if and the described yarn of described consumption signal (LE) indication is when extracting out when described Yarn-recovering device works, make described bobbin (34) automatically move to its minimum interference position, make described Yarn-recovering device (32) inoperative, and described adjusting device (28) is worked again.
6. as each described method in the claim 1 to 3, it is characterized in that, described Yarn feeding device (100) is provided with motor-driven yarn and twines cylinder (102), described motor-driven yarn winding cylinder makes waits that the yarn that is fed to described downstream machine twines thereon, and described adjusting device comprises control module (CU'), described control module is programmed to regulate the rotating speed that described yarn twines cylinder, it is characterized in that, described consumption indicator indicates described yarn to twine the rotating speed of cylinder, and described rotating speed becomes zero and is considered to indicate the interruption of yarn in carrying to described weaving loom (106).
One kind be used for to/present/reclaim the equipment of yarn from weaving loom (22,106), comprising:
Yarn feeding device (12,100), described Yarn feeding device are arranged to yarn (F, F') is fed to described weaving loom,
Yarn-recovering device (32,120), described Yarn-recovering device is arranged on described Yarn feeding device (12,100) and described weaving loom (22,106) between, and be provided with motor-driven spool (34,122), described motor-driven spool has the passage (44 that is limited to wherein, 124), described passage is passed by described yarn and at import (44a, 126) and the outlet (44b, 128) extend between, free end (the 34a to described spool is opened in described import, centre 122a), and described outlet is formed on the lateral surface (34b of described spool, 122b)
Adjusting device (28,102), described adjusting device is controlled by control module (CU, CU'), under described spool (34,122) is in situation with the minimum interference position of described yarn, record tension signal (T_meas, T'_meas) based on what produced by sensor device (30,108), in order to the tension force substantial constant of described yarn (F, F') remain on the referential data (T_ref, T'_ref)
Described Yarn-recovering device (32,120) can be operated, with reclaim provisionally the amount of thread be delivered to described weaving loom and after described yarn is returned,
It is characterized in that described control module is programmed, to handle consumption indicator (LE, V
RP), described consumption indicator indication yarn is from the conveying of described Yarn feeding device (12,100) and be independent of any operation signal from described weaving loom (22,106), and if described consumption indicator (V
RP, LE) interruption of indication yarn in carrying, described adjusting device (28,102) is stopped using provisionally and described Yarn-recovering device (32,120) is worked provisionally, thereby to rotate based on the described speed that records tension signal (T_meas, T'_meas) and regulate, be used for the tension force substantial constant of described yarn remain on described referential data (T_ref, T'_ref).
8. equipment as claimed in claim 7, it is characterized in that, described Yarn feeding device (100) comprises shell (103), the motor-driven yarn of described outer casing supporting twines cylinder (102) and described sensor device (108), it is characterized in that, described spool (122) also is bearing in described yarn by described shell (103) and twines between cylinder (102) and the described sensor device (108), and is arranged to make its axis to be parallel to the axis that described yarn twines cylinder (102).
9. equipment as claimed in claim 8 is characterized in that, described import (126) has the axis with respect to the axis inclination of described spool (122).
10. equipment as claimed in claim 8 or 9 is characterized in that described import (126) has corresponding inner chamfer with described outlet (128).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITTO2012A000261 | 2012-03-22 | ||
| IT000261A ITTO20120261A1 (en) | 2012-03-22 | 2012-03-22 | METHOD OF FEEDING / RECOVERY OF YARN FOR TEXTILE MACHINES, AND APPARATUS FOR THE EXECUTION OF THIS METHOD. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103320945A true CN103320945A (en) | 2013-09-25 |
| CN103320945B CN103320945B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310016279.8A Active CN103320945B (en) | 2012-03-22 | 2013-01-16 | Yarn for weaving loom is fed to/recovery method and perform the equipment of the method |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20130248635A1 (en) |
| EP (1) | EP2642004B1 (en) |
| CN (1) | CN103320945B (en) |
| IT (1) | ITTO20120261A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843546A (en) * | 2014-02-13 | 2015-08-19 | 爱吉尔电子股份公司 | Stock-controlling method for a storage yarn feeder with rotary drum |
| CN106995973A (en) * | 2016-01-26 | 2017-08-01 | 爱吉尔电子股份公司 | Yarn-recovering device for Weaving device |
| TWI620845B (en) * | 2015-03-30 | 2018-04-11 | 美名格 艾羅有限公司 | A method and a device for monitoring the production of a knitting machine, and a knitting machine |
| CN108349680A (en) * | 2015-11-03 | 2018-07-31 | 米歇尔.范德威尔公司 | The yarn clamping system and method for the yarn taken out from yarn storage system to the yarn output system of loom are kept under tension |
| CN108519117A (en) * | 2018-03-20 | 2018-09-11 | 通鼎互联信息股份有限公司 | A kind of Yarn break checkout gear |
| CN110512345A (en) * | 2019-08-14 | 2019-11-29 | 江南大学 | A kind of calculation method of circular knitting machine active yarn transmission mode thread-feeding amount |
| CN110820157A (en) * | 2019-10-31 | 2020-02-21 | 宁波慈星股份有限公司 | Intelligent constant-tension yarn feeding method of knitting machine |
| CN114249170A (en) * | 2020-09-21 | 2022-03-29 | 广东博智林机器人有限公司 | Wire storage mechanism and operation equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10415161B2 (en) * | 2014-12-10 | 2019-09-17 | Uchino Co., Ltd. | Method for weaving multiply gauze, and multiply gauze woven fabric |
| IT201900011451A1 (en) * | 2019-07-11 | 2021-01-11 | Lgl Electronics Spa | METHOD FOR THE CONTROLLED VOLTAGE FEEDING OF A PLURALITY OF YARNS TO A TEXTILE MACHINE |
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| IT1308067B1 (en) | 1999-06-01 | 2001-11-29 | Lgl Electronics Spa | YARN BRAKING DEVICE, FOR WEFT FEEDER, WITH REDUCED INTERVENTION TIMES |
| EP2415916B1 (en) * | 2010-08-04 | 2015-03-04 | L.G.L. Electronics S.p.A. | Method and apparatus for detecting accidental stops of the yarn on a knitting line |
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- 2012-03-22 IT IT000261A patent/ITTO20120261A1/en unknown
- 2012-12-28 EP EP12008643.4A patent/EP2642004B1/en active Active
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- 2013-01-16 CN CN201310016279.8A patent/CN103320945B/en active Active
- 2013-03-15 US US13/834,253 patent/US20130248635A1/en not_active Abandoned
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| US4259851A (en) * | 1978-07-25 | 1981-04-07 | Aktiebolaget Iro | Positive thread-delivery device for textile machines |
| EP0622485A1 (en) * | 1993-04-08 | 1994-11-02 | L.G.L. ELECTRONICS S.p.A. | Modulated thread breaking device for weft feeders |
| EP1087048A2 (en) * | 1999-09-24 | 2001-03-28 | Precision Fukuhara Works, Ltd. | Automatic fabric density adjusting device and yarn feeding control mechanism for a circular knitting machine |
| CN1446276A (en) * | 2000-08-02 | 2003-10-01 | 艾罗帕股份有限公司 | Weft yarn deflection brake and method for controlling weft insertion into weaving machine |
| CN1891879A (en) * | 2005-07-07 | 2007-01-10 | 爱吉尔电子股份公司 | Yarn-recovering device for textile machines |
| CN101376474A (en) * | 2007-08-31 | 2009-03-04 | 爱吉尔电子股份公司 | Method for controlling the tension of the yarn unwinding, and apparatus for carrying out such method |
| CN101736503A (en) * | 2008-11-13 | 2010-06-16 | 爱吉尔电子股份公司 | Yarn-feeding apparatus for textile machines, with control of the feeding parameters |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843546A (en) * | 2014-02-13 | 2015-08-19 | 爱吉尔电子股份公司 | Stock-controlling method for a storage yarn feeder with rotary drum |
| CN104843546B (en) * | 2014-02-13 | 2019-05-17 | 爱吉尔电子股份公司 | Stock control method for the yarn storage Yarn feeder with rotating cylinder |
| TWI620845B (en) * | 2015-03-30 | 2018-04-11 | 美名格 艾羅有限公司 | A method and a device for monitoring the production of a knitting machine, and a knitting machine |
| CN108349680A (en) * | 2015-11-03 | 2018-07-31 | 米歇尔.范德威尔公司 | The yarn clamping system and method for the yarn taken out from yarn storage system to the yarn output system of loom are kept under tension |
| CN106995973A (en) * | 2016-01-26 | 2017-08-01 | 爱吉尔电子股份公司 | Yarn-recovering device for Weaving device |
| CN108519117A (en) * | 2018-03-20 | 2018-09-11 | 通鼎互联信息股份有限公司 | A kind of Yarn break checkout gear |
| CN110512345A (en) * | 2019-08-14 | 2019-11-29 | 江南大学 | A kind of calculation method of circular knitting machine active yarn transmission mode thread-feeding amount |
| CN110820157A (en) * | 2019-10-31 | 2020-02-21 | 宁波慈星股份有限公司 | Intelligent constant-tension yarn feeding method of knitting machine |
| CN114249170A (en) * | 2020-09-21 | 2022-03-29 | 广东博智林机器人有限公司 | Wire storage mechanism and operation equipment |
| CN114249170B (en) * | 2020-09-21 | 2024-01-30 | 广东博智林机器人有限公司 | Wire storage mechanism and operation equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130248635A1 (en) | 2013-09-26 |
| EP2642004A1 (en) | 2013-09-25 |
| EP2642004B1 (en) | 2014-05-14 |
| ITTO20120261A1 (en) | 2013-09-23 |
| CN103320945B (en) | 2016-02-24 |
| US20150299914A1 (en) | 2015-10-22 |
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