CN204569014U - Piecing devices, winder unit and fibre machinery - Google Patents
Piecing devices, winder unit and fibre machinery Download PDFInfo
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- CN204569014U CN204569014U CN201520111071.9U CN201520111071U CN204569014U CN 204569014 U CN204569014 U CN 204569014U CN 201520111071 U CN201520111071 U CN 201520111071U CN 204569014 U CN204569014 U CN 204569014U
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Abstract
Piecing devices of the present utility model (10) possess: the connector portions (50) of carrying out yarn (Y) joint blocked; Carry out dialling yarn bar (81) and only twisting with the fingers bar (82) of the process of the yarn (Y) at connector portions (50) joint; There is axle drive shaft (24), dialling the driving motor (23) of yarn bar (81) by making this axle drive shaft (24) rotate via connecting rod mechanism (100) drived control; Via only twisting with the fingers bar (82) to dialling the torsion-coil spring (28) that exerts a force of yarn bar (81).Connecting rod mechanism (100) at least partially dial yarn bar (81) be positioned at position of readiness state under be positioned at change point.
Description
Technical field
The utility model relates to piecing devices, winder unit and fibre machinery.
Background technology
As the piecing devices be mounted in the fibre machineries such as automatic bobbin winder, we know the device recorded in such as Japanese Unexamined Patent Publication 2013-67465 publication.In the piecing devices recorded in this JP 2013-67465 publication, rotating along a direction by making stepper motor (drive source), camshaft and cam being rotated reach via cam follower, link to be moved, (dial yarn bar and only twist with the fingers bar) the movable object that makes the movable part in yarn treatment portion.
Wherein, in piecing devices as described above, the elastic bodys such as torsion-coil spring are usually utilized to exert a force to movable part.Therefore, under the state that the movable part in yarn treatment portion is positioned at position of readiness, if such as keep the standby current of the drive source involved by the power of movable part, stepping motor when not being energized stator pin the deficiencies such as moment (detent torque) (magnetic attraction under non-excited state) of rotor, then there is the worry because this elastomeric force has made movable part unexpected, naturally movable.
Utility model content
Therefore, the purpose of this utility model is: provide the piecing devices of the position of readiness stabilization of the movable part that can make in yarn treatment portion, winder unit and fibre machinery.
Piecing devices of the present utility model are the piecing devices of the joint for carrying out the yarn blocked, possess: the connector portions of carrying out the joint of yarn, there is the yarn treatment portion of the movable part of the process of the yarn carried out at connector portions joint, there is axle drive shaft, by making this axle drive shaft rotate via the drive source at least partially in connecting rod mechanism drived control movable part, and to the elastomeric element exerted a force at least partially in movable part; Change point (change point) is positioned under the state being positioned at position of readiness at movable part at least partially in connecting rod mechanism.
In these piecing devices, be positioned at change point at least partially due to what be positioned at the state lower link mechanism of position of readiness at movable part, therefore this connecting rod mechanism in the direct rotational direction and reverse rotational direction of axle drive shaft, be in state of equilibrium at least partially.Thereby, it is possible to make the position of readiness stabilization of movable part.As a result, stator under the standby current such as movable part being remained on the drive source required for position of readiness, non-"on" position can be reduced and pin the moment of rotor.
In piecing devices of the present utility model, the direction of principal axis of change point from axle drive shaft at the place at least partially of the state lower link mechanism of position of readiness is arranged in, the state that the direction vector also can with the force of the elastomeric element acting on drive source intersects with axle drive shaft at movable part.Like this, become the state of criss-cross by the direction vector and axle drive shaft making the force acting on drive source, what can make connecting rod mechanism is positioned at change point at least partially.
In piecing devices of the present utility model, also the drive side link rod part of drive source side and the slave end link rod part of movable part side can be comprised by connecting rod mechanism, be positioned at change point under the state that drive side link rod part is positioned at position of readiness at movable part, slave end link rod part is not being driven in drive side link rod part containing in the actuation range of change point.According to this structure, movable part can be made movable swimmingly.
In piecing devices of the present utility model, connecting rod mechanism also movable part can be positioned at the state lower link mechanism of position of readiness be positioned at change point at least partially time state as the origin position being used for position correction.According to such structure, because connecting rod mechanism is rear until the change point as position of readiness does not move in initial point adjustment, therefore, it is possible to suppress unnecessary movement.And, due to initial point adjustment can be carried out at the position of readiness of not interfering with yarn road and change point place, therefore under yarn walking states, also can initial point adjustment be carried out.
In piecing devices of the present utility model, also can be limited in sth. made by twisting limiting unit on assigned position by the yarn of the movable part yarn end comprised in adjustment connector portions when importing the yarn guide portion of position and connector portions carried out joint; Elastomeric element twists limiting unit force; Twist with the fingers limiting unit to exert a force to yarn guide portion; A part for connecting rod mechanism and yarn guide portion links; These piecing devices also possess to suppress to carry out the sth. made by twisting propagation of the yarn of joint in connector portions and make sth. made by twisting limiting unit stop at the stop part of assigned position.According to this structure, by utilizing stop part to make sth. made by twisting limiting unit stop at assigned position, can not utilize by the impact of sth. made by twisting limiting unit the lap etc. importing the yarn of connector portions during yarn guide portion adjustment joint.
In piecing devices of the present utility model, yarn guide portion can be the rod unit that can rotate centered by S. A. identical mutually with sth. made by twisting limiting unit, and elastomeric element can be mounted in the torsion-coil spring on S. A..In this case, due to yarn guide portion with twist with the fingers that limiting unit is arranged on identical S. A., torsion-coil spring is arranged on this S. A., as long as therefore consider with the transmission of the single axle power that is benchmark just passable, design becomes easy.
In piecing devices of the present utility model, torsion-coil spring can be deformed into and can apply elastic force under the state being positioned at change point at least partially of connecting rod mechanism.In this case, when movable part is positioned at position of readiness, torsion-coil spring is standby under the state putting aside power.Thus, when making movable part movable from position of readiness, the moment that drive source starts when driving can be reduced.
In piecing devices of the present utility model, drive source can be stepper motor.In this case, even if utilize cheap stepper motor, also can reducing the standby current for movable part being remained on the drive source required for position of readiness, its power consumption can be reduced.
Winder unit of the present utility model possesses above-mentioned piecing devices, can provide the yarn feeder of yarn and the winder of winding yarn.Fibre machinery of the present utility model possesses multiple above-mentioned winder unit.
Because these winder units and fibre machinery possess above-mentioned piecing devices, therefore, it is possible to make the position of readiness stabilization of movable part in yarn treatment portion.
According to the utility model, the piecing devices of the position of readiness stabilization that can make movable part in yarn treatment portion, winder unit and fibre machinery can be provided.
Accompanying drawing explanation
Fig. 1 is the front view of the winder unit of the utility model example;
Fig. 2 is the front view of the piecing devices of the utility model example;
Fig. 3 is the birds-eye view of the piecing devices of Fig. 2;
Fig. 4 is the birds-eye view of the piecing devices of Fig. 2;
Fig. 5 is the lateral plan of the piecing devices of Fig. 2;
Fig. 6 is the block diagram of the action of piecing devices for instruction diagram 2;
Fig. 7 is the approximate vertical view of the action of piecing devices for instruction diagram 2;
Fig. 8 is the approximate vertical view continued of expression Fig. 7 of the action of piecing devices for instruction diagram 2;
Fig. 9 is the approximate vertical view continued of expression Fig. 8 of the action of piecing devices for instruction diagram 2.
Detailed description of the invention
Describe preferred example of the present utility model with reference to the accompanying drawings in detail.In addition, add identical mark for same or equivalent part in the various figures, the repetitive description thereof will be omitted.
[structure of winder unit] as shown in Figure 1, yarns Y is wound up into package P from supply bobbin B by winder unit 1.Supply bobbin B is formed by the spinning frame of last procedure, carries being such as placed under the state on pallet from spinning frame.In addition, by and establish multiple winder unit 1 to form automatic bobbin winder as fibre machinery.
Winder unit 1 is disposed with bobbin support (yarn feeder) 2 along the walking path of yarns Y from upstream side (being downside) here, unwinding yarn auxiliary device 3, in advance yarn clearer 4, tension force pay device 5, tension pick-up 6, lower yarn trap setting 7, piecing devices 10, cutter 9, yarn monitor unit 11, upper yarn trap setting 12 and wind2 (winder) 13.These structure installment are on body 8.
Bobbin support 2, with upright state support supply bobbin B, can provide yarns Y.Unwinding yarn auxiliary device 3 utilizes and is configured in the air ring of the cartridge control above supply bobbin B from the yarns Y of supply bobbin B unwinding.It is by utilizing a pair canopy hurdle body be made up of fixing canopy hurdle body and the movable canopy hurdle body of comb teeth-shaped that yarns Y is held in serration that tension force pays device 5, pays the canopy bar tensioner of regulation tension force to the yarns Y of walking.Tension pick-up 6 is measured and is paid by tension force the tension force that device 5 pays yarns Y.
Pre-yarn clearer 4 utilizes the walking path clipping yarns Y to pass through with yarn defects such as a pair limiting part winding yarns that restriction ratio specified value is large in advance of the interval of regulation configuration.Yarn monitor unit 11 detects the yarn defects such as bead in yarns Y winding.Cutter 9 is cutting continuous strand Y when yarn defect being detected by yarn monitor unit 11.Piecing devices 10 for carrying out the device of the joint of the yarns Y of blocking, when cutter 9 carries out the cut-out of yarns Y or yarns Y broken yarn time etc. by the yarn end junction of the yarn end of the yarns Y of package P side and the yarns Y of supply bobbin B side.
Lower yarn trap setting 7 can be installed to rotationally on body 8 centered by axis alpha.The turning end of lower yarn trap setting 7 is provided with suction port 7a.Suction port 7a rotates between the top of piecing devices 10 and the bottom of pre-yarn clearer 4.Lower yarn trap setting 7 when cutter 9 carries out the cut-out of yarns Y or yarns Y broken yarn time etc., suction port 7a is made to turn to the side, bottom of pre-yarn clearer 4, suction port 7a is utilized to attract the yarn end of the yarns Y of supply bobbin B side, then make suction port 7a turn to the top of piecing devices 10, transfer the yarns Y of supply bobbin B side to piecing devices 10.
Above-mentioned upper yarn trap setting 12 can be installed to rotationally on body 8 centered by axis β.The turning end of upper yarn trap setting 12 is provided with suction port 12a.Suction port 12a rotates between the bottom of piecing devices 10 and wind2 13.Upper yarn trap setting 12 when cutter 9 carries out the cut-out of yarns Y or yarns Y broken yarn time etc., suction port 12a is made to turn to wind2 13 side, suction port 12a is utilized to attract the yarn end of the yarns Y of package P side, then make suction port 12a turn to the side, bottom of piecing devices 10, transfer the yarns Y of package P side to piecing devices 10.
Yarns Y from supply bobbin B unwinding is wound up into the package P that package P forms full volume by wind2 13.Wind2 13 has the coiler drum 14 being formed with roller trough 14a and the reel cage 15 that can support package P rotatably.Reel cage 15 makes the surface of package P with the surface contact of suitable contact and coiler drum 14.Wind2 13 utilizes direct motor drive coiler drum 14 that coiler drum 14 is rotated, and makes the driven rotation of package P, by making yarns Y with the width traversing of regulation like this and yarns Y is wound up into package P to get on.
Body 8 is provided with control part 16, input part 17 and display part 18.Control part 16 controls each structure of winder unit 1.Input part 17 is such as action button etc., when operator sets various value to control part 16, wait use.Display part 18 shows the running-active status etc. of winder unit 1.In addition, the various information about doff action are received and dispatched between the upper control portion that control part 16 and automatic bobbin winder possess.The control part 16 of upper control portion each winder unit 1 under the overall leadership, controls whole automatic bobbin winder.
[structures of piecing devices] illustrate the structure of piecing devices 10.In addition, in the following description conveniently, package P side is called upside (top), supply bobbin B side is called downside (below), the yarns Y walking path side of piecing devices 10 is called front side (front), its contrary side is called rear side (rear).Further, the yarns Y of package P side is called upper yarn YA, the yarns Y of supply bobbin B side is called lower yarn YB.
As shown in Figure 2, piecing devices 10 possess the 1st backtwisting portion 40A and the 2nd backtwisting portion 40B, connector portions 50, a pair group of yarn bar (yarn guide portion) 81 and only twist with the fingers bar (sth. made by twisting limiting unit) 82 for a pair.Dial the rod unit that yarn bar 81 is the yarn end importing position of yarns Y in adjustment connector portions 50.A pair group of yarn bar about 81 configures side by side, clips the 1st backtwisting portion 40A and the 2nd backtwisting portion 40B rotates mutually linkedly.Only twisting with the fingers bar 82 is the rod unit that yarns Y when connector portions 50 being carried out joint is limited in certain position.Only twist with the fingers bar 82 a pair to configure side by side up and down between a pair group of yarn bar 81, clip connector portions 50 and rotate linkedly mutually.Piecing devices 10 are installed on body 8 via the framework 20 of its each structure of supporting.
The 1st directing plate 21 is configured with in the upside of the 1st backtwisting portion 40A and the 2nd backtwisting portion 40B.The 2nd directing plate 22 is configured with in the downside of the 1st backtwisting portion 40A and the 2nd backtwisting portion 40B.It is facing that 1st directing plate 21 and the 2nd directing plate 22 clip connector portions 50 in the vertical direction.1st directing plate 21 is formed guiding groove 21a and guiding groove 21b.2nd directing plate 22 is formed guiding groove 22a and guiding groove 22b.The guiding groove 21a of the 1st directing plate 21 is facing with the guiding groove 22a of the 2nd directing plate 22 in the vertical direction.The guiding groove 21b of the 1st directing plate 21 is facing with the guiding groove 22b of the 2nd directing plate 22 in the vertical direction.
Guided by upper yarn trap setting 12, be imported in guiding groove 21a facing in the vertical direction and guiding groove 22a by the upper yarn YA that group yarn bar 81 pulls.Guided by lower yarn trap setting 7, be imported in guiding groove 21b facing in the vertical direction and guiding groove 22b by the lower yarn YB that group yarn bar 81 pulls.
The upside of the 1st directing plate 21 is provided with the 1st yarn maintaining part 60A, the downside of the 1st directing plate 21 is provided with the 1st yarn cutting portion 70A.The downside of the 2nd directing plate 22 is provided with the 2nd yarn maintaining part 60B, the upside of the 2nd directing plate 22 is provided with the 2nd yarn cutting portion 70B.1st yarn maintaining part 60A keeps the upper yarn YA being imported into guiding groove 21a.2nd yarn cutting portion 70B cuts off the upper yarn YA being imported into guiding groove 22a under the state utilizing yarn YA in the 1st yarn maintaining part 60A maintenance.2nd yarn maintaining part 60B keeps the lower yarn YB being imported into guiding groove 22b.The lower yarn YB being imported into guiding groove 21b is cut off under the state of the 1st yarn cutting portion 70A yarn YB under utilizing the 2nd yarn maintaining part 60B to keep.
1st backtwisting portion 40A obtains and is carried out backtwisting by the yarn end of the upper yarn YA of the 2nd yarn cutting portion 70B cut-out under the state utilizing yarn YA in the 1st yarn maintaining part 60A maintenance.Obtain under the state of the 2nd backtwisting portion 40B yarn YB under utilizing the 2nd yarn maintaining part 60B to keep and carried out backtwisting by the yarn end of the lower yarn YB of the 1st yarn cutting portion 70A cut-out.
Together with the yarn end of the upper yarn YA by the 1st backtwisting portion 40A backtwisting is twisted with the fingers with the yarn end of the lower yarn YB by the 2nd backtwisting portion 40B backtwisting by connector portions 50, by like this by the yarn end junction of the yarn end of upper yarn YA and lower yarn YB.When twisting with the fingers mutually together by yarn end in connector portions 50, upper yarn YA is kept by the 1st yarn maintaining part 60A, and lower yarn YB is kept by the 2nd yarn maintaining part 60B.And, utilize and dial the yarn end of yarn bar 81 from yarn YA the 1st backtwisting portion 40A extraction, and extract the yarn end of yarn YB from the 2nd backtwisting portion 40B out, utilize only sth. made by twisting bar 82 to be squeezed near connector portions 50 by the top end part of the yarn end of the top end part of the yarn end of upper yarn YA and lower yarn YB.
As shown in Figure 3 and Figure 6, framework 20 stops as driving a pair group of yarn bar 81 and a pair drive source twisting with the fingers bar 82 and driving motor 23 is installed.Driving motor 23 is such as stepper motor.It is axial axle drive shaft 24 that driving motor 23 has with above-below direction.Driving motor 23 rotates by making its axle drive shaft 24, dials yarn bar 81 via connecting rod mechanism 100 drived control.
Connecting rod mechanism 100 is connected to driving motor 23 and dials on yarn bar 81 (being group yarn bar 81 of upside here).Connecting rod mechanism 100 has the arm 25 being fixed on axle drive shaft 24 and the link 26 be connected on arm 25 as drive side link rod part 101.Further, connecting rod mechanism 100 has to be arranged on continuously and dials slave end link rod part 102 on yarn bar 81 as the parts being driven in drive side link rod part 101.Link 26 has the stepped plate shape extended along prescribed direction.The rearward end of link 26 is via being that axial axle portion 26x is arranged on arm 25 with above-below direction.Thus, link 26 can be connected on arm 25 rotatably around axle portion 26x.
Slave end link rod part 102 is tabular, is connected to the radicle dialling yarn bar 81 with bending to bent axle shape seen from above.Slave end link rod part 102 is by taking above-below direction as the leading section that axial axle portion 26y is arranged on link 26.Thus, slave end link rod part 102 can be connected on link 26 rotatably around axle portion 26y.The leading section (namely dialling the radicle of yarn bar 81) of slave end link rod part 102 can be bearing on the bolster (S. A.) 27 that is fixed in framework 20 rotatably.
Only twist with the fingers bar 82 a pair can be bearing in rotatably on bolster 27 by maintaining part 82x.Only twist with the fingers bar 82 for a pair to be exerted a force towards the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion (closing direction) by the elastomeric torsion-coil spring 28 of conduct that can be arranged on rotatably on bolster 27.Only twisting with the fingers snap-latch piece 82y bar 82 being formed with and engaging with group yarn bar 81.This snap-latch piece 82y exerts a force towards the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion to dialling yarn bar 81 with the force of torsion-coil spring 28.That is, dial yarn bar 81 to be exerted a force towards the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion via only twisting with the fingers bar 82 by torsion-coil spring 28.Thus, only twist with the fingers for a pair bar 82 and a pair group of yarn bar 81 can synchronous rotary to the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion (closing direction) and side in contrast (opening direction).
Only twisting with the fingers the butt side of bar 82, be provided with to suppress to carry out the sth. made by twisting propagation of the yarns Y of joint in connector portions 50 and make only to twist with the fingers the stopper bolt 29 (stop part) that bar 82 stops at assigned position.Stopper bolt 29 makes its side, top be threaded on maintaining part 82x with exposing, and thus, and only twists with the fingers bar 82 and rotates integratedly.When making to dial yarn bar 81 and only sth. made by twisting bar 82 rotates specified amount from position of readiness along closing direction, the top of stopper bolt 29 contacts with a part for framework 20.Thus, after this contact, group yarn bar 81 is only had to rotate along closing direction.
In addition, arm 25 is provided with magnet 96a and pair of magnet 96b.Pair of magnet 96b clips magnet 96a configuration adjacent with magnet 96a, has the polarity contrary with magnet 96a.Framework 20 is provided with the magnetic pickup device 97 of the polarity detecting magnet 96a.Magnetic pickup device 97 configures face to face with magnet 96a under the state that bar 82 is positioned at initial position and position of readiness is only twisted with the fingers in a pair group of yarn bar 81 and a pair.Thus, only twist with the fingers using a pair group of yarn bar 81 and a pair action of state as origin position control driving motor 23 that bar 82 is positioned at position of readiness, this origin position becomes the benchmark of the position for revising connecting rod mechanism 100.
Framework 20 is provided with driving motor 31 as the drive source of the 1st yarn treatment portion 100A and the 2nd yarn treatment portion 100B.Driving motor 31 is such as stepper motor.1st yarn treatment portion 100A has above-mentioned 1st yarn maintaining part 60A and the 1st yarn cutting portion 70A and the 1st transmission device 90A.2nd yarn treatment portion 100B has above-mentioned 2nd yarn maintaining part 60B and the 2nd yarn cutting portion 70B and the 2nd transmission device 90B.1st yarn treatment portion 100A and the 2nd yarn treatment portion 100B is arranged on the both sides of connector portions 50.That is, connector portions 50 is configured between the 1st yarn treatment portion 100A and the 2nd yarn treatment portion 100B.
As shown in Figure 5, driving motor 31 has axle drive shaft 32, rotor 33, stator 34 and housing 35.Rotor 33 is fixed on axle drive shaft 32.Stator 34 is fixed on housing 35, surrounds rotor 33.Upper end on the upside of being projected into from housing 35 in axle drive shaft 32 becomes the 1st axle drive shaft portion 32A propulsive effort being passed to the 1st yarn treatment portion 100A.Bottom on the downside of being projected into from housing 35 in axle drive shaft 32 becomes the 2nd axle drive shaft portion 32B propulsive effort being passed to the 2nd yarn treatment portion 100B.Rotor 33 and stator 34 are configured between the 1st yarn treatment portion 100A and the 2nd yarn treatment portion 100B on the direction parallel with axle drive shaft 32.
As shown in Figure 3 and Figure 4, the 1st transmission device 90A comprises the 1st arm 91A and the 1st link 92A, and propulsive effort is passed to the 1st yarn maintaining part 60A and the 1st yarn cutting portion 70A from the 1st axle drive shaft portion 32A of driving motor 31.1st axle drive shaft portion 32A is fixed with the 1st arm 91A.1st arm 91A can be connected with the rearward end of the 1st link 92A rotatably.1st link 92A be bent axle shape bend to the 1st yarn maintaining part 60A side.In addition, the diagram of the 1st yarn maintaining part 60A is eliminated in Fig. 4.
1st yarn cutting portion 70A has fixed plate 71 and movable plate 72.Fixed plate 71 is fixed on the 1st directing plate 21.Movable plate 72 can be bearing on the bolster 73 that is fixed on the 1st directing plate 21 rotatably.The leading section of the 1st link 92A can be connected to the arm 74 that extends from the radicle of movable plate 72 rotatably.
1st yarn maintaining part 60A has basic components 61 and accessory 62.The radicle of basic components 61 can be bearing on the bolster 63 that is fixed on the 1st directing plate 2 rotatably.Basic components 61 are exerted a force by the torsion-coil spring 67 that can be arranged on rotatably on bolster 63 with returning to the position corresponding with the guiding groove 21a of the 1st directing plate 21.The radicle of accessory 62 can be bearing on the bolster 64 that is fixed on basic components 61 rotatably.Accessory 62 is exerted a force towards basic components 61 side by the torsion-coil spring 65 that can be arranged on rotatably on bolster 64.1st yarn maintaining part 60A utilizes basic components 61 and accessory 62 to keep upper yarn YA.
Arm 66 is extended with from the radicle of basic components 61.In the top ends of arm 66, the side 92a on rear side of the curve in the 1st link 92A can be provided with cam follower 66a contiguously.Arm 68 is extended with from the radicle of accessory 62.In the top ends of arm 68, the side 92b on front side of the curve in the 1st link 92A can be provided with cam follower 68a contiguously.
In addition, the 1st arm 91A is provided with magnet 98a and pair of magnet 98b.Pair of magnet 98b clips magnet 98a and magnet 98a and is adjacent to configure, and has the polarity contrary with magnet 98a.Framework 20 is provided with the magnetic pickup device 99 of the polarity detecting magnet 98a.Configure face to face with magnet 98a under the state that magnetic pickup device 99 is positioned at position of readiness at the 1st yarn treatment portion 100A and the 2nd yarn treatment portion 100B.Thus, the action of state for benchmark control driving motor 31 of position of readiness is positioned at the 1st yarn treatment portion 100A and the 2nd yarn treatment portion 100B.
As shown in Figure 5, the 2nd transmission device 90B comprises the 2nd arm 91B and the 2nd link 92B, and propulsive effort is passed to the 2nd yarn maintaining part 60B and the 2nd yarn cutting portion 70B from the 2nd axle drive shaft portion 32B of driving motor 31.2nd axle drive shaft portion 32B is fixed with the 2nd arm 91B.2nd arm 91B can be connected with the rearward end of the 2nd link 92B rotatably.2nd link 92B be bent axle shape bend to the 2nd yarn maintaining part 60B side.
As shown in Figure 2, the structure of the 2nd yarn cutting portion 70B has when viewed from front side formed point-symmetric relation with the knot of the 1st yarn cutting portion 70A centered by connector portions 50.Equally, the structure of the 1st yarn maintaining part 60A has when viewed from front side formed point-symmetric relation with the knot of the 2nd yarn maintaining part 60B centered by connector portions 50.
[actions of piecing devices] illustrate the action of the piecing devices 10 controlled by control part 16.In addition, as shown in Fig. 2 ~ Fig. 6, a pair group of yarn bar 81 and a pair only twist with the fingers bar 82 under the state being positioned at position of readiness, be positioned at and open in the outer part than the guiding groove 21a of the 1st the directing plate 21 and guiding groove 22a of the 2nd directing plate 22 time viewed from front side.Further, in the 1st yarn treatment portion 100A, under the state being positioned at position of readiness, the 1st yarn maintaining part 60A and the 1st yarn cutting portion 70A opens.Equally, in the 2nd yarn treatment portion 100B, under the state being positioned at position of readiness, the 2nd yarn maintaining part 60B and the 2nd yarn cutting portion 70B opens.
, under the state (hereinafter referred to as " position of readiness state ") that bar 82 is positioned at position of readiness is only twisted with the fingers in a pair group of yarn bar 81 and a pair, in connecting rod mechanism 100, be positioned at change point at least partially in this example as shown in Figure 6 and Figure 7.Be specially, connecting rod mechanism 100 drive side link rod part 101 (namely comprising the bent axle of arm 25 and link 26 formation) is positioned at change point under position of readiness state.Now, torsion-coil spring 28 is deformed into and can applies its elastic force, becomes the state that the torsion as twist moment increases.
So-called " change point " is present in mutually the position on straight line for adjacent connecting rod important document, have when paying driving from slave end, the state that drive side can rotate towards any one direction in and another hand of rotation.Change point also claims " dead point ".At the change point of this example from the direction of principal axis of axle drive shaft 24, connect axle drive shaft 24 and the line segment of axle portion 26x and the line segment of adapter shaft portion 26x and axle portion 26y and be positioned on straight line.The state that the direction vector (the arrow S2 in figure) that the change point of this example has the force (the arrow S1 in figure) of the torsion-coil spring 28 acting on driving motor 23 intersects with the approximate centre of axle drive shaft 24.At this change point, pulled the power static balancing of axle portion 26x via link 26 by the force of torsion-coil spring 28.
In addition, except completely upper outside at a branch line on above-mentioned straight line, also comprising roughly point-blank, such as, comprising the line segment of adapter shaft portion 26x and axle portion 26y relative to being connected the line segment of axle drive shaft 24 and axle portion 26x with the situation of the angular slope of less than 30 °.
Have in the piecing devices 10 shown in Fig. 2 ~ Fig. 7 of position of readiness as described above, first, if utilize cutter 9 cutting continuous strand Y when detecting yarn defect, or during owing to crossing hightension generation yarns Y broken yarn, then utilize upper yarn trap setting 12 and lower yarn trap setting 7 that upper yarn YA and lower yarn YB is directed to piecing devices 10.Then, make the axle drive shaft 24 of driving motor 23 rotate the amount of regulation, a pair group of yarn bar 81 is turned back to the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion via connecting rod mechanism 100.Be accompanied by this, only twist with the fingers bar 82 for a pair by the force of torsion-coil spring 28 and rotate to the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion together with a pair group of yarn bar 81.
Thus, the upper yarn YA guided by upper yarn trap setting 12 and be dragged to the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion by the lower yarn YB that lower yarn trap setting 7 guides.Further, upper yarn YA is imported into guiding groove 21a, the guiding groove 22a of the 2nd directing plate 22 and the nipple of connector portions 50 of the 1st directing plate 21.Equally, lower yarn YB is imported into guiding groove 21b, the guiding groove 22b of the 2nd directing plate 22 and the nipple of connector portions 50 of the 1st directing plate 21.
Then, if the axle drive shaft 32 of driving motor 31 rotates, in the 1st yarn treatment portion 100A the 1st link 92A curve on front side of side 92b leave cam follower 68a, then make accessory 62 move to basic components 61 side by the force of torsion-coil spring 65, the 1st yarn maintaining part 60A closes.Thus, pulled by a pair group of yarn bar 81 the upper yarn YA importing guiding groove 21a and guiding groove 22a to be kept by the 1st yarn maintaining part 60A.Equally, closed by the 2nd yarn maintaining part 60B, pulled by a pair group of yarn bar 81 the lower yarn YB importing guiding groove 21b and guiding groove 22b and kept by the 2nd yarn maintaining part 60B.
Then, the axle drive shaft 32 of driving motor 31 continues to rotate, and in the 1st yarn treatment portion 100A, movable plate 72 moves to fixed plate 71 side via the 1st arm 91A and the 1st link 92A, and the 1st yarn cutting portion 70A closes.Thus, pulled the upper yarn YA importing guiding groove 21a and guiding groove 22a by a pair group of yarn bar 81 to be cut off by the 1st yarn cutting portion 70A under the state kept by the 1st yarn maintaining part 60A.Equally, closed by the 2nd yarn cutting portion 70B, pulled the lower yarn YB importing guiding groove 21b and guiding groove 22b by a pair group of yarn bar 81 and cut off by the 2nd yarn cutting portion 70B under the state kept by the 2nd yarn maintaining part 60B.
Then, if the axle drive shaft 32 of driving motor 31 continues to rotate, in the 1st yarn treatment portion 100A the 1st link 92A curve on rear side of side 92a contact with cam follower 66a, then under the closed state of the 1st yarn maintaining part 60A, the force that basic components 61 overcome torsion-coil spring 67 is rotated relative to the 1st backtwisting portion 40A.Thus, in the 1st yarn maintaining part 60A maintenance, the position of yarn YA is moved along the direction that the direction facing with the 2nd yarn cutting portion 70B with the 1st yarn maintaining part 60A is vertical.Equally, under the state that the 2nd yarn maintaining part 60B is closed, rotated relative to the 2nd backtwisting portion 40B by basic components 61, the 2nd yarn maintaining part 60B keeps the position of lower yarn YB to move along the direction that the direction facing with the 1st yarn cutting portion 70A with the 2nd yarn maintaining part 60B is vertical.
Then, in the 1st backtwisting portion 40A and the 2nd backtwisting portion 40B, backtwisting air is ejected in untwisting nozzle from injection hole.Thus, by the 2nd yarn cutting portion 70B cut off upper yarn YA yarn end by the 1st yarn maintaining part 60A keep state under by the 1st backtwisting portion 40A obtain and by backtwisting.Equally, by the 1st yarn cutting portion 70A cut off lower yarn YB yarn end by the 2nd yarn maintaining part 60B keep state under by the 2nd backtwisting portion 40B obtain and by backtwisting.
Then, if the axle drive shaft 24 of driving motor 23 continues the amount rotating regulation, a pair group of yarn bar 81 further rotates the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion via connecting rod mechanism 100, utilize the force of torsion-coil spring 28 to make only to twist with the fingers bar 82 for a pair simultaneously and further rotate the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion, then the top ends of stopper bolt 29 contacts with a part for framework 20 (with reference to Fig. 8).Therefore, if after this make the axle drive shaft 24 of driving motor 23 continue along arrow R1 direction to rotate, the rotation of then only twisting with the fingers bar 82 for a pair is stoped by framework 20 via stopper bolt 29, only has a pair group of yarn bar 81 to continue to rotate to the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion (with reference to Fig. 9).
Thus, the yarn end of the upper yarn YA by the 1st backtwisting portion 40A backtwisting is extracted out from the 1st backtwisting portion 40A under the state kept by the 1st yarn maintaining part 60A.Equally, the yarn end of the lower yarn YB by the 2nd backtwisting portion 40B backtwisting is extracted out from the 2nd backtwisting portion 40B under the state kept by the 2nd yarn maintaining part 60B.Further, pivotal bar 82 of only twisting with the fingers for a pair together with a pair group of yarn bar 81 is utilized to be expressed near connector portions 50 by the top end part of the yarn end of the top end part of the yarn end of upper yarn YA and lower yarn YB.
Then, be ejected in resettlement section from injection hole at connector portions 50 center tap air.Thus, together with the yarn end of the upper yarn YA by the 1st backtwisting portion 40A backtwisting is twisted with the fingers with the yarn end of the lower yarn YB by the 2nd backtwisting portion 40B backtwisting.Now, upper yarn YA is in the state kept by the 1st yarn maintaining part 60A, and lower yarn YB is in the state kept by the 2nd yarn maintaining part 60B.
Then, the axle drive shaft 24 of driving motor 23 is rotated along reverse direction, make a pair group of yarn bar 81 and only twist with the fingers bar 82 for a pair to get back to position of readiness, make the axle drive shaft 32 of driving motor 31 rotate along reverse direction simultaneously, make the 1st yarn treatment portion 100A and the 2nd yarn treatment portion 100B get back to position of readiness.Thus, to be twisted with the fingers with the yarn end of lower yarn YB by the yarn end of upper yarn YA together with the yarns Y crossed of joint get back on the walking path of the yarns Y on front side of piecing devices 10.
[functions and effects] piecing devices 10 are owing to being positioned at change point at the drive side link rod part 101 of position of readiness state lower link mechanism 100, and therefore this drive side link rod part 101 is in state of equilibrium in the direct rotational direction and reverse rotational direction of axle drive shaft 24.Thus, under position of readiness state, even if be cut off at such as power supply, driving motor 23 be not when having an excitation, also can suppress dial yarn bar 81 and only twist with the fingers bar 82 involuntary maneuver under the force effect of torsion-coil spring 28, the position of readiness stabilization dialled yarn bar 81 and only twist with the fingers bar 82 can be made.And then, can reduce in order under the standby current of the driving motor 23 needed dialling yarn bar 81 and stop sth. made by twisting bar 82 to remain on position of readiness, non-"on" position, stator pins the moment of rotor.
In piecing devices 10, the change point of the drive side link rod part 101 under position of readiness state, the state that the direction vector (arrow A of Fig. 7) viewed from the direction of principal axis of axle drive shaft 24 with torsion-coil spring 28 force acting on driving motor 23 intersects with axle drive shaft 24.Like this, by the state making the direction vector of the force acting on driving motor 23 and axle drive shaft 24 become criss-cross, drive side link rod part 101 can be made to be positioned at change point.
The slave end link rod part 102 of piecing devices 10 is driven in drive side link rod part 101 in the actuation range not containing change point.That is, as shown in Fig. 7 ~ Fig. 9, slave end link rod part 102 and link 26 are not positioned at straight line Shangdi and form viewed from the direction of principal axis of axle drive shaft 24.Thereby, it is possible to make to dial yarn bar 81 and only twist with the fingers bar 82 to move swimmingly.
In piecing devices 10, state when connecting rod mechanism 100 is positioned at change point with drive side link rod part 101 under position of readiness state is for origin position.Thus, even if connecting rod mechanism 100 adjusts afterwards until the change point as position of readiness does not move passable at initial point, unnecessary movement can be suppressed yet, the time involved by initial point recovery can be shortened.And, due to initial point adjustment can be carried out at the position of readiness of Bu Yusha road interference and change point linkage 100, even if the initial point adjustment of connecting rod mechanism 100 therefore also can be carried out under yarn walking states.
Piecing devices 10 possess the device that stopper bolt 29 is propagated as the sth. made by twisting being used for controlling to carry out the yarns Y of joint in connector portions 50.Stopper bolt 29 can be utilized to make only to twist with the fingers bar 82 to be stopped on the position of regulation, can not utilize the lap etc. dialled and be imported into the yarns Y of connector portions 50 when yarn bar 81 adjusts joint by the impact ground only twisting with the fingers bar 82.
In piecing devices 10, group yarn bar 81 and only sth. made by twisting bar 82 are arranged on identical bolster 27, and torsion-coil spring 28 is arranged on this bolster 27.Thus, as long as the transmission of the power that consideration is benchmark with single axle is just passable, design becomes easy.
In piecing devices 10, under the position of readiness state that drive side link rod part 101 is positioned at change point, torsion-coil spring 28 is deformed into and can applies elastic force.Thus, torsion-coil spring 28 is standby with the state putting aside power under position of readiness state, makes to dial yarn bar 81 and only twisting with the fingers when bar 82 rotates from position of readiness, can reduce the moment that driving motor 23 starts when driving.
In piecing devices 10, use stepper motor as driving motor 23.Thus, in piecing devices 10, even if use cheap stepper motor also can reduce for by dialling yarn bar 81 and only twisting with the fingers the standby current that bar 82 remains on the driving motor 23 required for position of readiness, its power consumption can be reduced.
In addition, even if in the fibre machinery possessing multiple winder unit 1 and winder unit 1, owing to possessing above-mentioned piecing devices 10, therefore, it is possible to make the position of readiness stabilization dialled yarn bar 81 and only twist with the fingers bar 82.
The connecting rod mechanism 100 of this example is under position of readiness state, and group yarn bar 81 and only sth. made by twisting bar 82 are positioned at the change point being difficult to rotate to the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion.Be specially, under position of readiness state, from the direction of principal axis of axle drive shaft 24, axle drive shaft 24 becomes the direction vector (arrow A of Fig. 7) exerted a force relative to torsion-coil spring 28 and is displaced to a little and the 1st backtwisting portion 40A and the 2nd backtwisting portion 40B opposite side and the state of intersecting.Thus, especially can suppress to set aside yarn bar 81 in position of readiness state and only twist with the fingers bar 82 unexpectedly to rotate to the 1st backtwisting portion 40A and the 2nd 40B side, backtwisting portion.
By the way, be provided with as shown in FIG. 7 in this example for making under being limited in position of readiness state dial yarn bar 81 and only twist with the fingers the stop part 25x that bar 82 rotates to the rotation (left-hand revolution in figure) of the arm 25 of the 1st backtwisting portion 40A and the 2nd backtwisting portion 40B opposite side.By such stop part 25x, also can suppress to dial yarn bar 81 and only twist with the fingers bar 82 under position of readiness state to rotate to this opposite side.
Although be explained above an example of the present utility model, the utility model is not limited to above-mentioned example.Such as, also can make under position of readiness state, to be positioned at change point at least partially in the connecting rod mechanism of driving motor 31 side (being connected to the connecting rod mechanism at least on any one in the 1st yarn maintaining part 60A, the 1st yarn cutting portion 70A, the 2nd yarn maintaining part 60B and the 2nd yarn cutting portion 70B).
Although in above-mentioned example as the change point of connecting rod mechanism 100 have employed axle portion 26x viewed from the direction of principal axis of axle drive shaft 24 be positioned at than axle drive shaft 24 rearward side time change point, axle portion 26x viewed from the direction of principal axis of axle drive shaft 24 also can be adopted to be positioned at than change point during axle drive shaft 24 forward side.Although employ torsion-coil spring as elastomeric element in above-mentioned example, as long as the parts exerted a force at least partially to movable part, various elastomeric element can be used.
In addition, although above-mentioned example center tap device 10 is applied to the winder unit 1 of automatic bobbin winder, piecing devices of the present utility model also can be applied in the winder unit of spinning machine or the Mobile workbench of movement between multiple winder unit etc.In above-mentioned form, dial yarn bar 81, only twist with the fingers bar 82, the 1st yarn maintaining part 60A, the 1st yarn cutting portion 70A, the 2nd yarn maintaining part 60B are corresponding with movable part with the 2nd yarn cutting portion 70B, formation yarn treatment portion.
Claims (10)
1. be used for the piecing devices of the joint carrying out the yarn blocked, possess:
Connector portions, carries out the joint of above-mentioned yarn;
Yarn treatment portion, has the movable part of the process of the above-mentioned yarn carried out at above-mentioned connector portions joint;
Drive source, has axle drive shaft, by making this axle drive shaft rotate via the above-mentioned movable part of connecting rod mechanism drived control at least partially; And
Elastomeric element, to the force at least partially of above-mentioned movable part;
Change point is positioned under the state being positioned at position of readiness at above-mentioned movable part at least partially of aforementioned link mechanism.
2. piecing devices as claimed in claim 1, the upper and lower change point stating the place at least partially of connecting rod mechanism of state of position of readiness is positioned at above-mentioned movable part, from the direction of principal axis of above-mentioned axle drive shaft, the state that the direction vector with the force of the above-mentioned elastomeric element acting on above-mentioned drive source intersects with above-mentioned axle drive shaft.
3. piecing devices as claimed in claim 2, aforementioned link mechanism comprises the drive side link rod part of above-mentioned drive source side and the slave end link rod part of above-mentioned movable part side;
Change point is positioned under the state that above-mentioned drive side link rod part is positioned at position of readiness at above-mentioned movable part;
Above-mentioned slave end link rod part is driven in above-mentioned drive side link rod part in the actuation range not containing change point.
4. piecing devices as claimed in claim 3, aforementioned link mechanism above-mentioned movable part is positioned at the state of position of readiness upper and lower state connecting rod mechanism be positioned at change point at least partially time state, as the origin position for position correction.
5. piecing devices as claimed in claim 4, above-mentioned yarn when the above-mentioned movable part yarn end comprised in the above-mentioned connector portions of adjustment imports the yarn guide portion of position and above-mentioned connector portions carried out joint is limited in the sth. made by twisting limiting unit of assigned position;
Above-mentioned elastomeric element exerts a force to above-mentioned sth. made by twisting limiting unit;
Above-mentioned sth. made by twisting limiting unit exerts a force to above-mentioned yarn guide portion;
A part for aforementioned link mechanism and above-mentioned yarn guide portion links;
These piecing devices also possess to control to carry out the sth. made by twisting propagation of the above-mentioned yarn of joint in above-mentioned connector portions and make above-mentioned sth. made by twisting limiting unit stop at the stop part of assigned position.
6. piecing devices as claimed in claim 5, above-mentioned yarn guide portion and above-mentioned sth. made by twisting limiting unit are the rod unit that can rotate centered by S. A. identical mutually, and above-mentioned elastomeric element is be arranged on the torsion-coil spring on above-mentioned S. A..
7. piecing devices as claimed in claim 6, above-mentioned torsion-coil spring, under the state being positioned at change point at least partially of aforementioned link mechanism, is deformed into and can applies elastic force.
8. the piecing devices as described in any one in claim 1 ~ 7, above-mentioned drive source is stepper motor.
9. a winder unit, possesses:
Piecing devices according to claim 8,
The yarn feeder of yarn can be provided, and
Reel the winder of above-mentioned yarn.
10. a fibre machinery, possesses multiple winder unit according to claim 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-054751 | 2014-03-18 | ||
| JP2014054751A JP2015174757A (en) | 2014-03-18 | 2014-03-18 | Thread piecing device, take-up unit, and textile machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204569014U true CN204569014U (en) | 2015-08-19 |
Family
ID=53861684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520111071.9U Active CN204569014U (en) | 2014-03-18 | 2015-02-15 | Piecing devices, winder unit and fibre machinery |
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| Country | Link |
|---|---|
| JP (1) | JP2015174757A (en) |
| CN (1) | CN204569014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945265A (en) * | 2019-05-16 | 2020-11-17 | 拉卡什米机械厂有限公司 | Automatic joining device for textile ring spinning machine |
| CN112093586A (en) * | 2019-06-18 | 2020-12-18 | 卓郎纺织解决方案两合股份有限公司 | Yarn connecting device for knotless connection of two yarn ends |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018102757A1 (en) * | 2018-02-07 | 2019-08-08 | Saurer Spinning Solutions Gmbh & Co. Kg | yarn splicing |
-
2014
- 2014-03-18 JP JP2014054751A patent/JP2015174757A/en active Pending
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2015
- 2015-02-15 CN CN201520111071.9U patent/CN204569014U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945265A (en) * | 2019-05-16 | 2020-11-17 | 拉卡什米机械厂有限公司 | Automatic joining device for textile ring spinning machine |
| CN111945265B (en) * | 2019-05-16 | 2024-03-22 | 拉卡什米机械厂有限公司 | Automatic joining device for a spinning ring spinning machine |
| CN112093586A (en) * | 2019-06-18 | 2020-12-18 | 卓郎纺织解决方案两合股份有限公司 | Yarn connecting device for knotless connection of two yarn ends |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015174757A (en) | 2015-10-05 |
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