CN103848286B - Yarn winding apparatus - Google Patents
Yarn winding apparatus Download PDFInfo
- Publication number
- CN103848286B CN103848286B CN201310576797.5A CN201310576797A CN103848286B CN 103848286 B CN103848286 B CN 103848286B CN 201310576797 A CN201310576797 A CN 201310576797A CN 103848286 B CN103848286 B CN 103848286B
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- Prior art keywords
- yarn
- package
- winding
- captures
- traversing
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/08—Automatic end-finding and material-interconnecting arrangements
- B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
- B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Winding Filamentary Materials (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Abstract
The present invention provides Yarn winding apparatus.Spooling unit (10) has: winding unit main body (16), winding yarn (20) and formed package (30)；Top yarn captures component (26), attracts and captures the yarn from package (30) and guide to yarn；Unit control unit (50), it controls top yarn and captures component (26) so that it carries out following movement, that is: the guidance movement of yarn is being guided in the capturing motion of yarn of capture region (R1) attraction capture from package (30), in the standby standby movement of standby region (R2) progress that (30) are wrapped more separate than capture region (R1) and in joint area (R3), and standby movement is adjusted according to the length of the yarn flaws contained by the diameter and/or yarn of package (30).
Description
Technical field
The present invention relates to Yarn winding apparatus.
Background technique
In the past, the technology as the field, there is known wound packages documented by Japanese Unexamined Patent Publication 2-75674 bulletin
Lead method.In the lead method of the wound package, when the close package of the suction nozzle of the yarn and thread head of attraction package, start to make to roll up
Around roller with the initial driving of low speed and reverse, after the number that the rotation is set, it is switched to the stable state of higher speed
Reversion.
In Yarn winding apparatus, when attracting capture yarn and thread head from package, package table is captured it some times happens that also attracting
The dual extraction of the yarn in face, thus undesirable condition may occur for package.
Summary of the invention
The purpose of the present invention is to provide the Yarn winding apparatus for the undesirable condition that can prevent package.
Yarn winding apparatus of the invention has: winding device, winding yarn and form package；First captures guidance dress
It sets, attracts and capture the yarn from package and the yarn is guided；Control unit, control first capture guide device.
First, which captures guide device, has the suction port for attracting the yarn from package.Control unit control first captures guide device, with
It is set to carry out following movement, it may be assumed that carry out the capturing motion of attraction capture to the yarn from package, than capturing in capture region
The standby region of the separate package in region carries out standby standby movement and guides yarn to the guidance movement of target area.
Control unit adjusts time, the attraction that stop position, suction port of the suction port in standby region stop in standby region
Mouth is from capture region to the speed of standby region movement and suction port from capture region into the mobile acceleration in standby region
At least one.
In the Yarn winding apparatus, control unit control first captures guide device, captures so that it attracts in capture region
After the capturing motion of yarn from package, carried out in the standby region of package more separate than capture region standby to motor-driven
Make.First capture guide device standby movement according to the length of the defect contained by the diameter and/or yarn of package come
Adjustment.As a result, in Yarn winding apparatus, the yarn from package can be reliably captured, and inhibits attracting yarn from package
Also attract and capture the dual extraction of the yarn on package surface when the end of a thread.Therefore, in Yarn winding apparatus, package can be prevented
Undesirable condition.In addition, in Yarn winding apparatus, the length for the defect that can included according to the diameter and/or yarn of package
Degree is suitably to adjust standby movement.
In one embodiment, control unit can also adjust first according to the diameter of package and the revolving speed of package and catch
Catch the movement of guide device.According to this structure, in Yarn winding apparatus, the yarn of package can more reliably be captured.In addition,
In Yarn winding apparatus, be able to suppress release by first capture guide device capture the yarn from package trap state or
Capture the yarn on package surface.
In one embodiment, Yarn winding apparatus is also equipped with the diameter acquisition unit for obtaining the diameter of package, control unit
The first capture guide device can be adjusted according to the increase of the diameter of the package obtained by diameter acquisition unit, captured to increase
Region is at a distance from package and standby region is at a distance from package.It according to this structure, can be according to volume in Yarn winding apparatus
The diameter of dress and suitably carry out the attraction to the yarn from package capture.
In one embodiment, Yarn winding apparatus can also have yarn flaws test section, in the yarn to package winding
In the case that line contains yarn flaws, which detects the length of yarn flaws, and control unit is according to by the yarn flaw
The length for the yarn flaws that defect test section detects adjusts the movement of the first capture guide device.According to this structure, in yarn
In up- coiler, in the longer situation of length of yarn flaws, such as it is able to extend suction port in the stand-by time in standby region,
Therefore yarn flaws can be suitably removed.
In one embodiment, Yarn winding apparatus can also have the input for inputting controlling value relevant to above-mentioned adjustment
Portion.According to this structure, in Yarn winding apparatus, since operator can input desired controlling value, can be suitable for
The attraction that ground carries out the yarn from package captures.
In one embodiment, Yarn winding apparatus can also have the electricity that individually driving first captures guide device
Machine.According to this structure, in Yarn winding apparatus, the movement of the first capture guide device can independently and be accurately controlled.
In one embodiment, winding device can also have driving portion, capture guide device first and be located at capture
When region, which carries out rotation driving to anti-coiling direction with First Speed to package, captures guide device position first
When standby region, which carries out rotation drive to anti-coiling direction with the second speed than First Speed high speed to package
It is dynamic.According to this structure, in Yarn winding apparatus, it can be captured first and attract the capture enough length of yarn in guide device.
In one embodiment, Yarn winding apparatus can also have: for yarn portion, for being given to the yarn of package winding；
Second captures guide device, captures to confess the yarn in yarn portion and guide to the yarn；Piecing devices, for yarn portion with
After the continuous state of yarn between package disconnects, the piecing devices to by first capture guide means guide from package
Yarn and the yarn to confess yarn portion for capturing guide means guide by second are attached.According to this structure, in yarn winding
In machine, yarn can be guided in the state of inhibiting the yarn for capturing package surface, therefore can suitably implement connector work
Industry successfully starts again at and upper winding yarn is being wrapped.
In one embodiment, it is also configured to that the supply bobbin for being wound with yarn can be arranged for yarn portion.According to this
Structure can suitably carry out sub-operation in Yarn winding apparatus, successfully start again at and upper winding yarn is being wrapped.
In one embodiment, Yarn winding apparatus can also have traversing guiding piece, the traversing guiding piece independently of with
Package contact and the contact roller that rotates and be arranged, and make the yarn traversing to package winding, disconnected in the continuous state of yarn
Afterwards, control unit is controlled such that one end of the traversing guiding piece in traversing direction is standby.According to this structure, in Yarn winding apparatus
In, when the continuous state of yarn disconnects and carries out sub-operation, yarn jam is able to suppress in traversing guiding piece.
Detailed description of the invention
Fig. 1 is the schematic diagram for having the automatic bobbin winder of spooling unit of an embodiment.
Fig. 2 is the schematic diagram and block diagram for the brief configuration for indicating spooling unit.
Fig. 3 is the amplified left side view near the traversing gear of spooling unit.
Fig. 4 is that the reel cage of spooling unit is nearby amplified the right side view indicated.
Fig. 5 is the left side view of spooling unit.
Fig. 6 is the left side view of spooling unit.
Fig. 7 is the left side view of spooling unit.
Fig. 8 is the left side view for indicating to be moved to the package of non-contacting position or contact position.
Fig. 9 is to indicate that the revolving speed of package and top yarn capture the figure of the relationship of the movement of component.
Figure 10 is to indicate that the revolving speed of package and top yarn capture the figure of the relationship of the other modes of the movement of component.
Figure 11 is to indicate that the revolving speed of package and top yarn capture the figure of the relationship of the other modes of the movement of component.
Figure 12 is to indicate that the revolving speed of package and top yarn capture the figure of the relationship of the other modes of the movement of component.
Specific embodiment
Hereinafter, the preferred embodiment of the present invention is described in detail referring to attached drawing.In addition, right in the description of the drawings
Same or equivalent element marks identical appended drawing reference, and the repetitive description thereof will be omitted.
The entirety of the automatic bobbin winder 1 for the spooling unit (Yarn winding apparatus) 10 for having present embodiment is tied referring to Fig.1
Structure is illustrated.In addition, " upstream " and " downstream " means the moving direction of the yarn in winding yarn in the present specification
Upstream and downstream.
As shown in Figure 1, automatic bobbin winder 1 have the multiple spooling units 10 being arranged side-by-side, Automatic doffing devices 80 and
Machine setting device 90.
Each spooling unit 10 can on one side make from supply bobbin 21 unwind 20 traversing of yarn (traversing) while be wound and
Form package 30.
When package 30 is completely rolled up in each spooling unit 10, Automatic doffing devices 80 is moved to the position of the spooling unit 10,
The package 30 of full volume is unloaded from the spooling unit 10.Automatic doffing devices 80 can also be after unloading package 30 to spooling unit 10
Supply bare bobbin.
Machine setting device 90 has configuration part (input unit) 91 and display unit 92.Configuration part 91 can pass through operator
Setting value (controlling value) as defined in inputting selects suitable control method to set to each spooling unit 10.Display unit
92 can show the winding situation of the yarn 20 of each spooling unit 10 and generate the content etc. of failure.
Next, specifically describing the structure of spooling unit 10 referring to Fig. 2~Fig. 8.As shown in Fig. 2, each spooling unit
10 have winding unit main body 16 and unit control unit (control unit) 50.
The formation of winding unit main body 16 are as follows: the yarn movement path between supply bobbin 21 and contact roller (winding device) 29
In from 21 side of supply bobbin be configured in order unwinding yarn auxiliary device 12, tension applying apparatus 13, device of splicer (connector dress
Set) 14 and yarn clearer (yarn flaws detection device) 15 structure.
In board short transverse, have in the lower part of winding unit main body 16 for supplying yarn to 22 side of mound bobbins
20 for yarn portion 11.For yarn portion 11 can by by the bobbin conveying system of illustration omitted convey Lai supply bobbin 21 be maintained at regulation
Position.
Unwinding yarn auxiliary device 12 make to cover the limiting component 40 of the core pipe of supply bobbin 21 with yarn 20 from supply bobbin
The mode that 21 unwinding interlocks declines, and thus yarn 20 is assisted to unwind from supply bobbin 21.Limiting component 40 with due to from supply bobbin
21 unwinding yarns 20 rotation and centrifugal force and be formed in 21 top of supply bobbin air ring contact, by the air ring control be suitable
Size, to assist the unwinding of yarn 20.Has the conical surface portion for detecting supply bobbin 21 near limiting component 40
The sensor of illustration omitted.If the sensor detects the decline of conical surface portion, this can be followed and such as cylinder is utilized (to save
Sketch map shows) decline limiting component 40.
13 pairs of tension applying apparatus mobile yarns 20 apply defined tension.As tension applying apparatus 13, such as can
It is enough to use the fence type that movable comb teeth is configured relative to fixed comb teeth.Movable comb teeth can be each with comb teeth to be nibbled
The mode of conjunction state or discrete state is rotated by revolving solenoid.In addition, tension applying apparatus 13 is in addition to above-mentioned grid
Other than column, such as disc type can also be used.
Device of splicer 14 is moved back in the yarn cutting that yarn clearer 15 detects yarn flaws and carries out or from supply bobbin 21
When broken yarn in etc., by the top Yarn connecting of the lower part yarn of supply bobbin 21 and package 30.As such by top yarn
The piecing devices of line and lower part Yarn connecting are able to use structure etc. that is mechanical or having used the fluids such as compressed air.
Yarn clearer 15 have configured with for detect the sensor of the illustration omitted of the thickness of yarn 20 clearing the end of a thread 49,
With the analyzer 52 of thickness of yarn signal of the processing from the sensor.Yarn clearer 15 passes through yarn of the monitoring from the sensor
Line thickness signal detects the yarn flaws such as flat yarn.It is equipped near clearing the end of a thread 49 for detecting yarn in yarn clearer 15
The cutter 39 of cutting continuous strand 20 immediately when flaw.Yarn clearer 15 also can detecte whether yarn 20 contains foreign matter to detect the presence of
Yarn flaws.
It is respectively arranged in the downside of device of splicer 14 and upside: capturing the yarn and thread head of supply bobbin 21 and guide to splicing
The lower part yarn of device 14 captures component (the second capture guide device) 25 and captures the yarn and thread head of package 30 and guide to splicing
The top yarn of device 14 captures component (first captures guide device) 26.Lower part yarn captures component 25 and has lower part yarn tube
Arm 33 and be formed in the lower part yarn tube arm 33 front end lower part yarn suction port 32.Top yarn, which captures component 26, to be had:
Top yarn tube arm 36 and be formed in the top yarn tube arm 36 front end top yarn suction port (suction port) 35.
Lower part yarn tube arm 33 and top yarn tube arm 36 can be rotated centered on axis 34 and axis 37 respectively.In lower part
Yarn tube arm 33 and top yarn tube arm 36 are connected separately with suitable negative pressure source.Can in lower part yarn suction port 32 and
Top yarn suction port 35, which generates, attracts stream, to attract the yarn and thread head for capturing top yarn and lower part yarn.Top yarn
It captures component 26 and is rotated by motor 38 independently of lower part yarn capture component 25.It is watched in addition, motor 38 can use
Take the various motors of motor, stepper motor or asynchronous machine etc.
As shown in Fig. 5~Fig. 7, top yarn captures component 26 and is configured to move, so that top yarn suction port 35
Positioned at capture region R1, standby region R2 and joint area (target area) R3.Capture region R1 is to approach package 30 and energy
Capture the region of the yarn and thread head 30a of package 30.Standby region R2 be top yarn capture component 26 top yarn tube arm 36 to
Make top yarn suction port 35 than capture region R1 further from package further from the rotation of the direction of package 30 than capture region R1
30 region.Joint area R3 be the yarn and thread head 30a captured in capture region R1 can be guided to device of splicer 14 and
The region of 14 center tap of device of splicer.Standby region R2 and joint area R3 is that top yarn captures component 26 from capture region R1
The region locating when mobile to device of splicer 14.
As shown in Fig. 2, winding unit main body 16 has: mound bobbins 22 are supported as assemble and unassemble reel cage (winding dress
Set) 23 and can with the periphery of mound bobbins 22 or be wrapped 30 circumference contact and rotate contact roller 29.Winder unit
Main body 16 has the arm-type traversing gear (winding device) 70 for making 20 traversing of yarn near reel cage 23.Spooling unit 10
Yarn 20 can be wound in package 30 while making 20 traversing of yarn using the traversing gear 70.
It slightly is equipped with guide plate 28 by upstream in traversing position, the yarn 20 of upstream side is guided to traversing position.?
The more upstream of the guide plate 28 is equipped with traversing fulcrum 27 made of ceramics.Traversing gear 70 makes yarn 20 with the traversing fulcrum 27
For fulcrum along winding width direction (direction shown in the arrow of Fig. 2) traversing of package 30.
Reel cage 23 can be rotated centered on rotation axis 48.Can by reel cage 23 rotate absorb with yarn 20 to
The increase of the thread layers diameter of the winding of mound bobbins 22.
The package driving motor (driving portion, winding device) 41 being for example made of servo motor is installed in reel cage 23.Network
Yarn unit 10 carries out rotation driving to mound bobbins 22 by the package driving motor 41 to winding yarn 20.Package driving electricity
30) machine 41 can rotate driving mound bobbins 22(package to coiling direction, and can also rotate and drive to anti-coiling direction A
30) mound bobbins 22(is wrapped.
Be wrapped driving motor 41 motor shaft when mound bobbins 22 are supported on reel cage 23, with the mound bobbins 22 not
The mode of energy relative rotation links (so-called direct drive mode).The movement of driving motor 41 is wrapped by package drive control part
(control unit) 42 controls.Package drive control part 42 receives the driving signal from unit control unit 50 to control package driving electricity
The operating and stopping of machine 41.In addition, being not limited to servo motor as package driving motor 41 but stepping electricity can be used
The various motors of machine, asynchronous machine etc.
The angular transducer 44(diameter acquisition unit of the angle for detecting reel cage 23 is installed in rotation axis 48).Angle passes
Sensor 44 is for example made of rotary encoder, sends angle signal corresponding with the angle of reel cage 23 to unit control unit 50.It shakes
The angle of frame 23 winds thickness according to package 30 and changes, therefore the rotation by detecting reel cage 23 using angular transducer 44
Angle is able to detect the diameter of package 30.In addition, the method for the diameter as detection package 30, other than angular transducer 44,
As long as device or absolute type encoder of Hall IC etc. has been used to be able to detect the structure of the diameter of package 30, then can adopt
With suitable structure.
Next, being illustrated referring to layout of the Fig. 3 to the structure near the structure and traversing gear 70 of traversing gear 70.
In addition, in the present embodiment, contact roller 29 is configured in a manner of being axially facing the side of winding unit main body 16, therefore for example
Side view as Fig. 3 is the figure that can be arrived along the end on observation of contact roller 29.30 being rotated in Fig. 3 in coiling direction are wrapped
It is counterclockwise for being rotated in Fig. 3 for 30 anti-coiling direction clockwise, is wrapped.
As shown in figure 3, traversing gear 70 has traversing driving motor 76, output shaft 77 and traverse arm (traversing guiding piece)
74。
Traversing driving motor 76 is made of for driving traverse arm 74 servo motor etc..As shown in Fig. 2, traversing driving electricity
The movement of machine 76 is controlled by traversing control unit 78.In addition, traversing driving motor 76 is to be also possible to stepper motor or voice coil motor
Deng other motors.
Traversing control unit 78 is made of the hardware etc. based on dedicated microprocessor, receives the letter from unit control unit 50
Number control the operating and stopping of traversing driving motor 76.
The power of traversing driving motor 76 is transferred to the base end part of traverse arm 74 via output shaft 77 shown in Fig. 3.It is horizontal
The rotor of dynamic driving motor 76 carries out positive and negative rotation, thus the paper vertical direction (left and right directions of Fig. 2 of the traverse arm 74 along Fig. 3
(traversing direction)) carry out round-trip rotary motion.In addition, the traverse arm 74 in Fig. 3 indicates the position of the end of traversing.
The yarn guide portion 73 of hook shape is formed in the front end of traverse arm 74.It can be protected using yarn guide portion 73
Hold and guide yarn 20.Yarn guide portion 73 carries out round-trip rotary motion in the state of maintaining yarn 20, so as to
Make 20 traversing of yarn.
Then, it is described in more detail referring to structure of the Fig. 4 to reel cage 23.As shown in figure 4, winding unit main body 16 has
There is the swivel plate 17 that can be rotated centered on rotation axis 48.Reel cage 23 is integrated with swivel plate 17 centered on rotation axis 48
Ground rotation.The spring 18 and cylinder 60 for being used to gradually reduce contact pressure for being configured to extension spring are connected in swivel plate 17.
Defined rotational torque can be applied to reel cage 23 by spring 18 and cylinder 60.
Cylinder 60 is configured to the bi-directional drive cylinder for having piston 601 in inside.In Fig. 4, the attached drawing to piston 601 is right
Side cylinder chamber supply air pressure P1 compressed air, to the attached drawing of piston 601 on the left of cylinder chamber supply air pressure P2
Compressed air.
Electric-gas pressure regulator valve 61 is connected in the pipe for supplying the compressed air of air pressure P2 to cylinder 60.It utilizes
The electric-gas pressure regulator valve 61 can adjust air pressure P2 incessantly.By the control for the air pressure P2 that electric-gas pressure regulator valve 61 carries out
System is carried out based on the control signal inputted from unit control unit 50.
Reduce air pressure P2 according to the structure of Fig. 4, then cylinder 60 pulls the power of reel cage 23 to increase, therefore makes reel cage
23 torques rotated centered on rotation axis 48 to the face side of winding unit main body 16 increase.The configuration of roller 29 is contacted than rotation
Axis 48 leans on the face side of winding unit main body 16, therefore package 30 and contact roller can be improved by the reduction of air pressure P2
29 contact pressure., whereas if increasing air pressure P2, then cylinder 60 pulls the power of reel cage 23 to weaken, therefore makes reel cage
23 torques rotated centered on rotation axis 48 to the back side of winding unit main body 16 increase.Thus, it is possible to weaken package 30 with
Contact the contact pressure of roller 29.In addition, by further increasing air pressure P2, thus it enables that being wrapped 30 from contact roller 29
It leaves on surface.
Cylinder 60 can make the rotation of reel cage 23 to keep package 30 mobile.In this case, package 30 can be moved to from
Contact roller 29 positions away from the position contacted (with the contact non-contacting position of roller 29) and with contact roller 29.
Unit control unit 50 is for example configured to have Central Processing Unit(CPU), Random Access
Memory(RAM), ReadOnly Memory(ROM), Input-and-Output(I/O) port and communication port.Above-mentioned
ROM record has the program of each structure for controlling winding unit main body 16.The winding is connected in the port I/O and communication port
The above-mentioned each portion and machine setting device 90 that unit main body 16 has, and it is able to carry out the communication for controlling information etc..By
This element control unit 50 can control the movement in each portion that winding unit main body 16 has.
Unit control unit 50 sends driving signal to package drive control part 42, to control the rotation of package driving motor 41
Turn driving (revolving speed).Unit control unit 50 to lower part yarn capture component 25 and top yarn capture component 26 movement (under
The rotation of portion's yarn tube arm 33 and top yarn tube arm 36) it is controlled.Specifically, unit control unit 50 controls top yarn
The motor 38 of component 26 is captured, to carry out attracting and capture the capturing motion of yarn 20 in capture region R1, in standby region
R2 standby movement and the guidance movement in joint area R3 guidance yarn 20.
Unit control unit 50 is detected according to the roll diameter of the package 30 detected by angular transducer 44, by yarn clearer 15
The length of the yarn flaws contained by yarn 20 out and the revolving speed of package 30 capture component 26 to adjust top yarn.It is single
First control unit 50 adjust top yarn suction port 35 the stop position of standby region R2, the time stopped in standby region R2,
Top yarn capture component 26 from capture region R1 be moved to standby region R2 speed and top yarn capture component 26 from
Capture region R1 be moved in the acceleration of standby region R2 at least any one.
Specifically, the length of yarn flaws of the unit control unit 50 for example based on the yarn 20 detected by yarn clearer 15
Component 26 is captured in the stand-by time (dwell time) of standby region R2 to set top yarn.Unit control unit 50 is according to by angle
It spends the increase of the diameter for the package 30 that sensor 44 detects and 30 spacing distance and package 30 with capture region R1 will be wrapped
It is set to top yarn suction port 35 in the spacing distance of the stop position of standby region R2 larger.That is, unit control unit 50
It controls top yarn and captures component 26, so that the more big then top yarn suction port 35 of diameter of package 30 is further away from package 30.It is single
First control unit 50 sets top yarn suction port 35 standby region R2's according to the revolving speed (yarn guidance speed) of package 30
Stop position.
The configuration part 91 of machine setting device 90 shown in FIG. 1 be set in occur yarn clearer 15 detect yarn flaws and into
Capable yarn cutting or from the disconnection of the continuous state of the yarn 20 of broken yarn in the unwinding of supply bobbin 21 etc (hereinafter referred to as
" yarn cutting etc. ") when rotate package 30 to anti-coiling direction A with yarn and thread head capture velocity (being described in detail later) numbers of revolutions.
Configuration part 91 sets the number of revolutions of package 30 based on diameter of the package 30 for example detected by angular transducer 44 etc..Example
Such as in the case where the diameter for being wrapped 30 is small, yarn and thread head 30a is difficult to the sur-face peeling from package 30, therefore configuration part 91 will rotate
Number is set to more, and in the case where the diameter for being wrapped 30 is big, yarn and thread head 30a easily from the sur-face peeling of package 30, therefore is set
Determine portion 91 number of revolutions is set to it is less.The number of revolutions of the package 30 of setting is sent to unit control unit by configuration part 91
50。
Configuration part 91 can also set whens yarn cutting etc. occurs package 30 to anti-based on the information that input is previously set
The number of revolutions of coiling direction A rotation.That is, what configuration part 91 was inputted by key operation etc. from configuration part 91 based on operator
30 number of revolutions is wrapped to set for information.In such a configuration, operator can by be wrapped 30 above-mentioned number of revolutions
It is set as expected number.
In spooling unit 10 described above, in the case where yarn cutting etc. occurs, needing will with device of splicer 14
Lower part yarn and top yarn carry out head.Therefore, it is necessary to capture the lower part yarn of supply bobbin 21 with lower part yarn suction port 32, and
And the top yarn of package 30 is captured and drawn with top yarn suction port 35.It is carried out referring to Fig. 2~Fig. 9 in spooling unit 10
Top yarn extraction movement control and yarn outbound course be described in detail.
Firstly, as shown in figure 3,30 surface and contact roller is wrapped in the coiling action before generating yarn cutting etc.
29 contacts.The position that such package 30 is contacted with contact roller 29 is known as " contact position " below, is used in Fig. 4 and Fig. 8
Appended drawing reference " Q2 " indicates.
After yarn cutting etc. occurs in coiling action, unit control unit 50 sends driving letter to electric-gas pressure regulator valve 61
Number.The air pressure P2 of cylinder 60 is set to change and based on driving signal to the driving of electric-gas pressure regulator valve 61, thus such as
Shown in Fig. 5 and Fig. 8, reel cage 23 is driven to from the direction that contact roller 29 leaves.In addition, unit control unit 50 is to traversing control unit
78 send driving signals to drive traversing driving motor 76, so that traverse arm 74 be made to wait in the position of the one end side in traversing direction
Machine.
Package 30 is left from contact roller 29, and is maintained at and the non-contacting defined position of contact roller 29.It below will volume
The position for filling 30 mobile destination at this time is known as " non-contacting position ", is indicated in Fig. 8 with appended drawing reference " Q1 ".Meanwhile unit
50 pairs of package drive control parts 42 of control unit send driving signal, so that the rotation of package 30 is slowed down and stop, and start package 30
It is rotated to anti-coiling direction (direction arrow A).At this point, as shown in figure 9, unit control unit 50 makes to be wrapped driving motor 41 with yarn
Head capture velocity (First Speed) rotates driving.
Unit control unit 50 for example sets above-mentioned yarn and thread head capture velocity as follows.In the small feelings of the diameter of package 30
Under condition, yarn and thread head 30a is difficult to the sur-face peeling from package 30, because of this element control unit 50 so that the side that package 30 is rotating slowly
Formula sets yarn and thread head capture velocity.Be wrapped 30 diameter it is big in the case where, yarn and thread head 30a easily from package 30 sur-face peeling,
Therefore compared with the small situation of the diameter of package 30, yarn and thread head capture velocity is set to higher speed by unit control unit 50.
In addition, unit control unit 50 makes top yarn tube arm by capturing the transmission driving signal of component 26 to top yarn
36 rotations, to make top yarn suction port 35 be moved to the capture area near the surface of package 30 as shown in Fig. 5 and Fig. 9
The position of domain R1.Moreover, in the state from yarn and thread head capture velocity to anti-coiling direction A that rotated with of package 30 of non-contacting position Q1
The lower capturing motion for carrying out top yarn suction port 35.By above-mentioned capturing motion, thus the top yarn being connected with package 30
Yarn and thread head 30a can be attracted capture to top yarn suction port 35.
If package 30 rotates the number set by configuration part 91 with yarn and thread head capture velocity, and is made by above-mentioned capturing motion
Yarn and thread head 30a is attracted capture to top yarn suction port 35, then unit control unit 50 drives to the direction by adosculation roller 29
Reel cage 23.Package 30 is back to the contact position Q2 contacted with contact roller 29 as a result,.At this point, package 30 continues to warp around side
It is rotated to A, therefore is wrapped 30 and contacts with contact roller 29 and rotated to anti-coiling direction A, the 30 driven rotations of contact roller 29 and package
Turn.
If the yarn and thread head 30a of package 30 is attracted capture to top yarn suction port 35, in the control of unit control unit 50
Portion's yarn captures component 26, so that top yarn tube arm 36 rotates, to make top yarn suction port as shown in Fig. 6 and Fig. 9
35 positions that are mobile and stopping at the standby region R2 left from package 30.At the same time, 50 pairs of package drivings of unit control unit
Control unit 42 sends driving signal, so that as shown in figure 9, driving package 30 is allowed to the yarn than yarn and thread head capture velocity high speed
Guidance speed is rotated to anti-coiling direction A.The top yarn for being wrapped 30 is further attracted into capture extremely by above-mentioned capturing motion
Top yarn suction port 35.
Then, unit control unit 50 controls top yarn and captures component 26, so that top yarn tube arm 36 rotates, thus such as
Shown in Fig. 7 and Fig. 9, top yarn suction port 35 is made to be moved to joint area R3.Meanwhile 50 pairs of package drivings of unit control unit
Control unit 42 sends driving signal, and the rotation of package 30 is made to slow down and stop.The rotation of package 30, which drives, as a result, stops.As above
It is described, 30 yarn and thread head 30a is wrapped and is captured in top yarn suction port 35, and by the guidance of yarn 20 to device of splicer 14.
As described above, in the spooling unit of present embodiment 10, attract in capture region R1 and capture volume
After filling 30 capturing motion of yarn and thread head 30a, unit control unit 50 controls top yarn and captures component 26 to carry out than catching
The standby region R2 for catching region R1 further from package 30 stops and standby standby movement.Top yarn captures the standby of component 26
Movement is adjusted according to the length of the yarn flaws contained by the diameter of package 30, yarn 20 and the revolving speed of package 30.Thus
In spooling unit 10, the yarn and thread head 30a of package 30 can be reliably captured, and inhibits attracting yarn and thread head from package 30
Also attract and capture the dual extraction of the yarn 20 on the surface of package 30 when 30a.Therefore it in spooling unit 10, can prevent from rolling up
Fill 30 undesirable condition.
In the present embodiment, component 26 is captured in top yarn to capture in capture region R1 with yarn and thread head capture velocity
After the yarn and thread head 30a of the package 30 of rotation, when on top, yarn capture component 26 is located at standby region R2, unit control unit 50 is controlled
System package driving motor 41 is so as to carry out rotation driving to package 30 than the yarn of yarn and thread head capture velocity high speed guidance speed.
Component 26 is captured by top yarn in spooling unit 10 as a result, to guide yarn 20 to device of splicer 14 with high speed, is realized
The shortening of time.Therefore in spooling unit 10, it can be realized the raising of running efficiency.
In the present embodiment, the control of unit control unit 50 package driving motor 41 with yarn and thread head capture velocity to be revolved
Turn 30 number of revolutions that is set by configuration part 91 of rotation of driving package, and after package 30 has rotated number of revolutions, transit to
Yarn guides speed to rotate the movement of driving package 30.In this way, can be predicted in spooling unit 10 without using sensor etc.
Top yarn capture component 26 capture package 30 yarn and thread head 30a the case where, thus in simple structure and control energy
Enough switchings implemented from yarn and thread head capture velocity to yarn guidance speed.
In the present embodiment, yarn 20 continuous state disconnect when, unit control unit 50 control traverse arm 74 so that
One end of the traverse arm 74 in traversing direction is standby.Therefore, in spooling unit 10, yarn 20 continuous state disconnect and into
Whens row sub-operation etc., 20 jam of yarn is able to suppress in traverse arm 74.Thereby, it is possible to prevent the breakage of traverse arm 74 and/
Or top yarn captures the cutting for the yarn 20 that component 26 is guided.
In the present embodiment, when top yarn captures component 26 and captures the yarn and thread head 30a of package 30, i.e. top yarn
The top yarn suction port 35 of component 26 is captured when being located at capture region R1, the cylinder 60 of spooling unit 10 will package 30 with contact
Roller 29 is set as contactless state.As a result, in spooling unit 10, when capturing the yarn and thread head 30a of package 30, yarn can be prevented
Head 30a is clamped and is attached to the surface of package 30 with contact roller 29 by package 30.Therefore it in spooling unit 10, can reliably catch
Catch the yarn and thread head 30a of package 30.
In the present embodiment, top yarn captures component 26 and is driven by the motor 38 being separately provided.Thus in doff list
In member 10, the movement that top yarn captures component 26 can independently and be accurately controlled.
The present invention is not limited to above embodiment.As shown in Figure 10, unit control unit 50 also can control package driving electricity
Machine 41 is so that package 30 changes revolving speed in yarn and thread head capture velocity with two stages.Yarn and thread head capture velocity includes top yarn
Line captures component 26 and starts the First Speed for capturing the yarn and thread head 30a of package 30 and the second speed than First Speed high speed.
Unit control unit 50 control package motor 41 so as to First Speed rotate driving package 30 after, with second speed
Degree makes 30 rotation of package.Thereby, it is possible to the top yarn suction ports 35 for capturing component 26 using top yarn more reliably to capture
The yarn and thread head 30a of package 30.
As shown in figure 11, unit control unit 50 rotates driving package 30 to anti-coiling direction A with yarn and thread head capture velocity, and
And the top yarn suction port 35 for making top yarn capture component 26 is located at capture region R1 to capture the yarn and thread head of package 30
30a.Unit control unit 50 makes top yarn capture component after rotating number as defined in driving package 30 to anti-coiling direction A
26 top yarn suction port 35 rotates driving package 30 to from the direction that package 30 is left movement, and to coiling direction.So
Afterwards, it is rotated as defined in driving package 30 after number in unit control unit 50 to coiling direction, with yarn and thread head capture velocity to warp
Driving package 30 is rotated around direction A, and the top yarn suction port 35 for making top yarn capture component 26 is again positioned at capture
Region R1.
Then, unit control unit 50 guides speed to rotate driving package 30 to anti-coiling direction A with yarn, and makes top
The top yarn suction port 35 that yarn captures component 26 is located at standby region R2.Thereby, it is possible to remove the yarn 20 in package 30
Relaxation, therefore can prevent top yarn capture component 26 capture package 30 surface layer yarn 20.
In addition, rotating driving package 30 to anti-coiling direction A with yarn and thread head capture velocity in the mode shown in Figure 11
Later, driving package 30 is rotated to coiling direction.But at the moment, driving package 30 can not also be rotated to coiling direction,
And the driving for being maintained at warp around direction A rotates.Even if in this case, also can be in the pine of the removal yarn 20 of package 30
It relaxes.In addition, in this case, can also shorten when top yarn suction port 35 is temporarily shifted to capture region R1 in capture region
The time that R1 stops.
As shown in figure 12, when top yarn captures component 26 and is located at capture region R1 and standby region R2, unit control
It is constant that portion 50 processed, which can also control the revolving speed that driving motor 41 is wrapped,.
In above embodiment, driving package 30 is directly rotated by package driving motor 41, but in the present invention may be used
By be rotation driving contact roller and make be wrapped 30 driven rotations in a manner of.In this case, spooling unit 10 is also equipped with following machine
Structure, it may be assumed that if making package 30 be moved to non-contacting position Q1 and rotating package 30 to anti-coiling direction A, make package 30 to anti-
The mechanism of coiling direction A rotation.In addition, not directly controlling package 30 in the case where the mode of 30 driven rotations is wrapped
Revolving speed, but control the revolving speed of contact roller.
In the above-described embodiment, the control of unit control unit 50 package driving motor 41 is to control the revolving speed for being wrapped 30
(yarn and thread head capture velocity, yarn guide speed), but as the rotation of package 30 driving, as long as the circumferential direction of package 30 can be controlled
Speed (movement speed of yarn 20).
In the above-described embodiment, it is illustrated with arm-type traversing gear 70 for an example, but traversing gear
It can be the roller with traversing slot, belt traversing part or rod-type traversing part.
In the above-described embodiment, have the structure of cylinder 60 with spooling unit 10 to be illustrated for an example, but
Spooling unit 10 may not possess cylinder 60.
In the above-described embodiment, the rotation time that driving package 30 is set by configuration part 91 is being rotated to anti-coiling direction A
After number, prediction top yarn captures the case where component 26 captures yarn 20, but top yarn captures component 26 to yarn 20
Capturing can also be detected by capturing the setting sensor of component 26 in top yarn.
In the above-described embodiment, the angle of rotation of reel cage 23 is detected using angular transducer 44, thus detection is wrapped 30
Diameter, but the diameter of package 30 can also be detected by other methods.For example, the diameter of package 30 can be based on being wound in package
30 overall length of yarn 20, the winding speed of yarn 20, yarn variety (thickness of yarn 20 etc.) obtain.
In addition, the diameter of package 30 can also be obtained by measurement yarn 20 from the time begun to pass through is wound.Clear
In the case where Chu's winding speed and yarn variety (thickness etc. of yarn 20), based on yarn 20 from time for beginning to pass through of winding
And the diameter of package 30 is obtained by calculation.The time begun to pass through from winding and the relationship of the diameter of package 30 are stored in advance
In unit control unit 50, thus, it is possible to based on the diameter for obtaining being wrapped 30 by the time.Yarn cutting when and sub-operation
When etc. windings when interrupting, interrupt the measurement of time to beginning to pass through from winding.
In addition, the diameter of package 30 can also be calculated based on the movement speed of yarn 20.Specifically, according to yarn 20
Movement speed and traversing speed calculate winding angle.In turn, the week of package 30 is found out based on winding angle and yarn movement speed
To speed.It is then based on the revolving speed of package 30 and 30 circumferential speed is wrapped to calculate the diameter of package 30.
Claims (21)
1. a kind of Yarn winding apparatus, which is characterized in that have:
Winding device, winding yarn and form package；
First captures guide device, has the suction port for attracting the yarn from the package, attracts and captures the yarn simultaneously
And the yarn is guided；And
Control unit controls described first and captures guide device,
The control unit control described first captures guide device, so that described first captures the following movement of guide device progress,
That is: the capturing motion of attraction capture is carried out to the yarn from the package in capture region, than the capture region
Standby region far from the package carries out standby standby movement and guides the guidance to target area to move on the yarn
Make, and the control unit adjusts the suction port in the stop position in the standby region, the suction port described standby
The time of region stopping, the suction port speed and the attraction mobile to the standby region from the capture region
The mouth acceleration at least one of mobile to the standby region from the capture region,
The control unit adjusts described first according to the diameter of the package and the revolving speed of the package and captures guide device
Movement,
The standby region be described first capture the top yarn tube arm of guide device to than the capture region further from institute
It states the direction rotation of package and makes the suction port than the capture region further from the region of the package.
2. Yarn winding apparatus according to claim 1, which is characterized in that
It is also equipped with the diameter acquisition unit for obtaining the diameter of the package,
The control unit adjusts described first according to the increase of the diameter of the package obtained by the diameter acquisition unit and catches
Catch the movement of guide device, so as to increase the capture region at a distance from the package and the standby region with it is described
The distance of package.
3. Yarn winding apparatus according to claim 1 or 2, which is characterized in that
It is also equipped with yarn flaws test section, in the case where containing yarn flaws to the yarn of the package winding, the yarn
The length of yarn flaws is detected in line Defect Detection portion,
The control unit adjusts described first according to the length of the yarn flaws detected by the yarn flaws test section and catches
Catch the movement of guide device.
4. Yarn winding apparatus according to claim 1 or 2, which is characterized in that
It is also equipped with the input unit for inputting controlling value relevant to the adjustment.
5. Yarn winding apparatus according to claim 1 or 2, which is characterized in that
It is also equipped with and individually drives the described first motor for capturing guide device.
6. Yarn winding apparatus according to claim 1 or 2, which is characterized in that
The winding device is also equipped with driving portion, when the first capture guide device is located at the capture region, the driving
Portion carries out rotation driving to anti-coiling direction with First Speed to the package, captures guide device positioned at described described first
When standby region, which carries out rotation drive to anti-coiling direction with the second speed than First Speed high speed to the package
It is dynamic.
7. Yarn winding apparatus according to claim 1 or 2, which is characterized in that be also equipped with:
For yarn portion, for being given to the yarn of the package winding；
Second captures guide device, captures from the yarn for yarn portion and guides to the yarn；And
Piecing devices, after the continuous state for the yarn between yarn portion and the package disconnects, the piecing devices
Guide means guide is captured to the yarn from the package for capturing guide means guide by described first and by described second
Be attached from the yarn for yarn portion.
8. Yarn winding apparatus according to claim 3, which is characterized in that be also equipped with:
For yarn portion, for being given to the yarn of the package winding；
Second captures guide device, captures from the yarn for yarn portion and guides to the yarn；And
Piecing devices, after the continuous state for the yarn between yarn portion and the package disconnects, the piecing devices
Guide means guide is captured to the yarn from the package for capturing guide means guide by described first and by described second
Be attached from the yarn for yarn portion.
9. Yarn winding apparatus according to claim 4, which is characterized in that be also equipped with:
For yarn portion, for being given to the yarn of the package winding；
Second captures guide device, captures from the yarn for yarn portion and guides to the yarn；And
Piecing devices, after the continuous state for the yarn between yarn portion and the package disconnects, the piecing devices
Guide means guide is captured to the yarn from the package for capturing guide means guide by described first and by described second
Be attached from the yarn for yarn portion.
10. Yarn winding apparatus according to claim 5, which is characterized in that be also equipped with:
For yarn portion, for being given to the yarn of the package winding；
Second captures guide device, captures from the yarn for yarn portion and guides to the yarn；And
Piecing devices, after the continuous state for the yarn between yarn portion and the package disconnects, the piecing devices
Guide means guide is captured to the yarn from the package for capturing guide means guide by described first and by described second
Be attached from the yarn for yarn portion.
11. Yarn winding apparatus according to claim 6, which is characterized in that be also equipped with:
For yarn portion, for being given to the yarn of the package winding；
Second captures guide device, captures from the yarn for yarn portion and guides to the yarn；And
Piecing devices, after the continuous state for the yarn between yarn portion and the package disconnects, the piecing devices
Guide means guide is captured to the yarn from the package for capturing guide means guide by described first and by described second
Be attached from the yarn for yarn portion.
12. Yarn winding apparatus according to claim 7, which is characterized in that
It is described that the supply bobbin that installation is wound with yarn is configured to for yarn portion.
13. Yarn winding apparatus according to claim 8, which is characterized in that
It is described that the supply bobbin that installation is wound with yarn is configured to for yarn portion.
14. Yarn winding apparatus according to claim 9, which is characterized in that
It is described that the supply bobbin that installation is wound with yarn is configured to for yarn portion.
15. Yarn winding apparatus according to claim 10, which is characterized in that
It is described that the supply bobbin that installation is wound with yarn is configured to for yarn portion.
16. Yarn winding apparatus according to claim 11, which is characterized in that
It is described that the supply bobbin that installation is wound with yarn is configured to for yarn portion.
17. Yarn winding apparatus according to claim 12, which is characterized in that
It is also equipped with traversing guiding piece, is arranged and makes the yarn traversing to the package winding independently of contact roller,
The contact roller is contacted and is rotated with the package,
After the continuous state of the yarn disconnects, the control unit is controlled such that the traversing guiding piece in traversing direction
One end it is standby.
18. Yarn winding apparatus according to claim 13, which is characterized in that
It is also equipped with traversing guiding piece, is arranged and makes the yarn traversing to the package winding independently of contact roller,
The contact roller is contacted and is rotated with the package,
After the continuous state of the yarn disconnects, the control unit is controlled such that the traversing guiding piece in traversing direction
One end it is standby.
19. Yarn winding apparatus according to claim 14, which is characterized in that
It is also equipped with traversing guiding piece, is arranged and makes the yarn traversing to the package winding independently of contact roller,
The contact roller is contacted and is rotated with the package,
After the continuous state of the yarn disconnects, the control unit is controlled such that the traversing guiding piece in traversing direction
One end it is standby.
20. Yarn winding apparatus according to claim 15, which is characterized in that
It is also equipped with traversing guiding piece, is arranged and makes the yarn traversing to the package winding independently of contact roller,
The contact roller is contacted and is rotated with the package,
After the continuous state of the yarn disconnects, the control unit is controlled such that the traversing guiding piece in traversing direction
One end it is standby.
21. Yarn winding apparatus according to claim 16, which is characterized in that
It is also equipped with traversing guiding piece, is arranged and makes the yarn traversing to the package winding independently of contact roller,
The contact roller is contacted and is rotated with the package,
After the continuous state of the yarn disconnects, the control unit is controlled such that the traversing guiding piece in traversing direction
One end it is standby.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012262800A JP2014108845A (en) | 2012-11-30 | 2012-11-30 | Yarn winding machine |
| JP2012-262800 | 2012-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103848286A CN103848286A (en) | 2014-06-11 |
| CN103848286B true CN103848286B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310576797.5A Active CN103848286B (en) | 2012-11-30 | 2013-11-18 | Yarn winding apparatus |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2738128B1 (en) |
| JP (1) | JP2014108845A (en) |
| CN (1) | CN103848286B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016011176A (en) * | 2014-06-27 | 2016-01-21 | 村田機械株式会社 | Yarn winder |
| JP2019034814A (en) * | 2017-08-16 | 2019-03-07 | 村田機械株式会社 | Winder unit |
| JP2019043737A (en) * | 2017-09-04 | 2019-03-22 | 村田機械株式会社 | Yarn winding machine |
| JP7465740B2 (en) * | 2019-07-30 | 2024-04-11 | Ｔｍｔマシナリー株式会社 | Adapter and package exchange device |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH083073B2 (en) | 1988-09-12 | 1996-01-17 | 日立化成工業株式会社 | Resin composition for paint and paint |
| DE4231958A1 (en) * | 1992-09-24 | 1994-03-31 | Schlafhorst & Co W | Automatic yarn winder - has single arm arrangement to place both yarn ends in splicer. |
| CZ281245B6 (en) * | 1995-03-14 | 1996-07-17 | Maschinenfabrik Rieter Ag | Positioning method of a detection tube mouth against a bobbin circumference and handling device for making the same |
| JPH10297827A (en) * | 1997-04-23 | 1998-11-10 | Murata Mach Ltd | Automatic winder |
| DE10150590A1 (en) * | 2001-10-12 | 2003-04-24 | Schlafhorst & Co W | Bobbin winding station, for automatic cross wound bobbin winding, has a suction jet to catch the yarn end with a moving limit stop to keep it at a constant gap from the bobbin surface |
| DE10206288A1 (en) * | 2002-02-15 | 2003-08-28 | Schlafhorst & Co W | Textile machine work-station for cross-wound bobbin, has support roller and bobbin swivel arm lifted during break repair |
| CZ304394B6 (en) * | 2005-04-27 | 2014-04-16 | Rieter Cz S.R.O. | Method of searching the yarn end on bobbin of the textile machine with an individual drive of live roller of winding mechanism and a service device to carry out the method |
| JP2007284812A (en) * | 2006-04-14 | 2007-11-01 | Murata Mach Ltd | Yarn-piecing device and yarn-piecing method |
| DE102006026548A1 (en) * | 2006-06-08 | 2007-12-13 | Oerlikon Textile Gmbh & Co. Kg | Method for operating a workstation of a creel-producing textile machine |
| JP2009155101A (en) * | 2007-12-27 | 2009-07-16 | Murata Mach Ltd | Winding unit and automatic winder having the same |
| DE102009009971B4 (en) * | 2009-02-21 | 2017-03-16 | Saurer Germany Gmbh & Co. Kg | Method and apparatus for operating a workstation of a textile machine producing cross-cheeses, and workstation for carrying out the method |
| JP5545593B2 (en) * | 2010-03-17 | 2014-07-09 | 村田機械株式会社 | Yarn winding machine |
| JP5557002B2 (en) * | 2010-03-17 | 2014-07-23 | 村田機械株式会社 | Yarn winding machine |
| DE102011013870A1 (en) * | 2011-03-15 | 2012-09-20 | Oerlikon Textile Gmbh & Co. Kg | Workstation of an open-end rotor spinning machine |
| JP2012218922A (en) * | 2011-04-13 | 2012-11-12 | Murata Machinery Ltd | Yarn winding apparatus and yarn withdrawal method |
| JP2013252948A (en) * | 2012-06-07 | 2013-12-19 | Murata Machinery Ltd | Textile machine |
-
2012
- 2012-11-30 JP JP2012262800A patent/JP2014108845A/en active Pending
-
2013
- 2013-10-22 EP EP13189683.9A patent/EP2738128B1/en active Active
- 2013-11-18 CN CN201310576797.5A patent/CN103848286B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014108845A (en) | 2014-06-12 |
| EP2738128A3 (en) | 2017-11-15 |
| EP2738128B1 (en) | 2020-01-15 |
| EP2738128A2 (en) | 2014-06-04 |
| CN103848286A (en) | 2014-06-11 |
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