CN208104638U - A kind of wire-cutting device for simultaneously twisting machine - Google Patents

Abstract

The technology that the utility model relates to cut off whole yarns after simultaneously twisting machine part feeding yarn broken yarn,Specially a kind of wire-cutting device for simultaneously twisting machine,It includes scissors installation base body,Scissors and scissors driving device,The scissors driving device is mounted in scissors installation base body,There are two the foldings that equilbrium position respectively corresponds scissors for scissors driving device tool,The active movable parts output movement of scissors driving device is reciprocating motion,The active movable parts of scissors driving device direct or through link mechanism and push shear blade to do shearing motion indirectly,Or the active movable parts triggering connecting rod or sliding block of scissors driving device deviate equilbrium position driving scissors when its scissors is opened and do shearing motion,The wire-cutting device for simultaneously twisting machine contains compression elastic element,Make the elastomeric element of shear blade rotation and catches yarn feeding device,Generation, which can be effectively prevented, using technology described in the utility model on simultaneously twisting machine lacks stock yarn line.

Description

A kind of wire-cutting device for simultaneously twisting machine

Technical field

The technology that the utility model relates to cut off whole yarns after simultaneously twisting machine part feeding yarn broken yarn, specially one Wire-cutting device of the kind for simultaneously twisting machine comprising scissors installation base body, scissors and scissors driving device, the scissors drive Dynamic device is mounted in scissors installation base body, and scissors driving device tool is cut there are two the folding that equilbrium position respectively corresponds scissors The active movable parts output movement of driving device for cutter to move back and forth, the active movable parts of scissors driving device directly or Pushed indirectly by link mechanism shear blade do shearing motion or scissors driving device active movable parts triggering connecting rod or Sliding block deviates equilbrium position driving scissors when its scissors is opened and does shearing motion, and the yarn for simultaneously twisting machine cuts off dress It sets containing compressing elastic element, the elastomeric element for rotating shear blade and catching yarn feeding device, using originally practical new on simultaneously twisting machine Technology described in type can be effectively prevented generation and lack stock yarn line.

Background technique

Strand is generally prepared by two strands or two strands or more long filaments or spun yarn, strand prepare when need using simultaneously, twist thread Equipment, traditional line method processed are first just twist by endless tow or single thread ring doubling machine or two-for-one twister, then will be added again Two strands or two strands or more endless tows or single thread after twirl merge feeding twisting machine and carry out two strands or two strands of acquisition of retwist processing or more Finished yarn, this mode production efficiency is low, and different machine substeps is used to complete；The method that another kind prepares retwist yarn Be using and twist all-in-one machine (and twisting machine) and complete first twist, and silk, retwist on one device, this mode is high-efficient, and twists Each monofilament package that line machine to be merged is generally by single thread yarn guide member, doubling yarn guiding part after respective just twist spindles twisting After part, conveying roller and conjunction after yarn guide member, passes through retwist spindle twisting winding and shape.No matter with which kind of production method, two Stock or the above yarn twist and when, can all occur that one yarn in one group is disconnected, remaining several one thread is disconnected causes scarce stock yarn line The case where, if spinner cannot be handled in time, it will cause waste product yarn.In this regard, Yarn break checkout gear usually can be configured in equipment, When the prompt operator's processing of broken yarn alarm, generation refuse yarn lasting in treatment process is being waited.

Utility model patent " double twisting, and silk all-in-one machine single broken yarn after automatic disconnecting device (application number CN201621486508.8 it) " hangs on the yarn between the first cord roller and the second cord roller and U-shaped is cut there are two asymmetric Knife, when an one thread is broken, the support disequilibrium of two asymmetric U-shaped cutters generates inclination, one of asymmetry U The long side arm with blade of type cutter, which can tilt over, cuts off another one thread, avoids generating expense yarn, but disclosure Not specific enough, installation and its working principle including cutter do not describe sufficiently clear, and the single thread in similar core-spun yarn is beaten Disconnected device, the mode functional reliability that this device cuts off another single thread be not high." one kind has broken string dress for application for a patent for invention The twisting machine (application number CN201310360801.4) set " setting broken string dress at strand process after second of doubling twisting It sets, strand is pushed into opposite groove using cylinder driving blade and is cut off by break wire device, and the break wire device is more complex, and cutting is former Reason determines that it is higher to the hardness of cutter and life requirements.Utility model patent " and twist equipment disconnection self-stopping mechanism (application number 2014204556089) " and utility model patent " spins twisting machine (application with a step of broken-end stop and tension adjustment creel Number CN2014204556093) " whether broken using hinged twizzle detection single thread, single thread is had no progeny the rotation of twizzle disequilibrium A series of mechanism action is triggered, stops conveying roller and runs and stop the operation of first twist spindles and retwist spindle, this is practical new Use more complicated mechanical mechanism in type and realize and stop ingot and stop conveying function after fracture of wire, the reliability of mechanism be easy by The influence of live flyings etc..

Yarn after twisting simultaneously in order to prevent lacks stock, generally uses two class schemes, the first is to cut off silk after detecting fracture of wire Line, second is roller and the spindle operation for stopping the spindle position after detecting fracture of wire, and the second way is major way at present, but It is that this mode cost of implementation is higher.As rings, wire loop production technique step up, exempts to lubricate rings and gradually pushed away Should extensively have, and can be improved the efficiency that live spinner handles broken end using workshop management big data technology, in this background Under, it is that can reach the purpose for preventing refuse yarn, and cost can be reduced using first way, especially for old machine Transformation is easy to implement using the first scheme, but there is some problems for the embodiment of current first way, such as The problems such as fracture of wire detection of complex, cutting mechanism are complicated, off-position is not reasonable.

In view of problem above, the utility model discloses a kind of wire-cutting device for simultaneously twisting machine, and on twisting machine The yarn (can be long filament, yarn, strand etc.) of feeding is by single thread yarn guide member, doubling yarn guide member, conveying roller and closes It afterwards after yarn guide member, is shaped by retwist spindle twisting winding, and the yarn cutting dress is installed in each spindle position of twisting machine Set, it is described for and twisting machine wire-cutting device be mounted on and twisting machine, in yarn movement path be located at conveying sieve Before drawing, for cutting all yarns of corresponding spindle position when detecting that the yarn of a part feeding and twisting machine disconnects, prevent It generates and lacks stock yarn line.

Utility model content

To the deficiencies in the prior art, the technical problems to be solved in the utility model be to provide it is a kind of for and twisting machine Wire-cutting device.The utility model solve it is described it is a kind of for and the solution of wire-cutting device of twisting machine be：

It is characterized in that the wire-cutting device for simultaneously twisting machine includes that scissors installation base body, scissors and scissors drive Dynamic device, the scissors are at least a pair, are mounted in scissors installation base body, and a secondary scissors includes two shear blades, described to cut Shear blade rotation or swing when knife does shearing motion,

The scissors driving device is mounted in scissors installation base body, and there are two equilbrium positions to distinguish for scissors driving device tool The folding of corresponding scissors, the active movable parts output movement of scissors driving device is moves back and forth, the master of scissors driving device Dynamic movable part directs or through the active that link mechanism pushes shear blade to do shearing motion or scissors driving device indirectly Movable part triggering connecting rod or sliding block deviate equilbrium position driving scissors when its scissors is opened and do shearing motion,

The link mechanism includes four-bar mechanism and its evolution mechanism,

When scissors driving device use electromagnet, and scissors mouth open when driving device connecting rod equilbrium position be by In the case where the limit of dedicated limiting component, electromagnet dynamic iron core push one end of connecting rod between the connecting rod that is pushed by it there are Certain gap,

The wire-cutting device for simultaneously twisting machine contains compression elastic element, and the compression elastic element is mounted on It is contacted in scissors rotation axis with the shear blade far from scissors installation base body and compresses two panels scissors,

Described be equipped on the simultaneously wire-cutting device of twisting machine catches yarn feeding device, and the yarn feeding device of catching passes through elasticity pressure Hold hold, tubulose surrounds or partition separates non-multi-folded yarn line, the yarn after preventing cutting snaps on other yarns and causes to wind Influence the normal operation of other spindle positions.

By the above structure, a kind of working principle for the simultaneously wire-cutting device of twisting machine of the utility model is：Yarn Line passes through in the scissors workspace of disconnecting device, and after yarn disconnects, scissors driving device drives scissor action to cut yarn, stops The only feeding of yarn prevents to lack stock yarn.

Compared with prior art, the wire-cutting device structure described in the utility model for simultaneously twisting machine is simple, work Reliably, at low cost, generation can be effectively prevented and lack stock yarn.

Detailed description of the invention

Fig. 1 is described in the utility model for simultaneously the first schematic illustration of the wire-cutting device of twisting machine.

Fig. 2 is second of schematic illustration of wire-cutting device described in the utility model for simultaneously twisting machine.

Fig. 3 is described in the utility model for simultaneously the third schematic illustration of the wire-cutting device of twisting machine.

Fig. 4 is the 4th kind of schematic illustration of wire-cutting device described in the utility model for simultaneously twisting machine.

Fig. 5 is the 5th kind of schematic illustration of wire-cutting device described in the utility model for simultaneously twisting machine.

Fig. 6 is the 6th kind of schematic illustration of wire-cutting device described in the utility model for simultaneously twisting machine.

Fig. 7 is the 7th kind of schematic illustration of wire-cutting device described in the utility model for simultaneously twisting machine.

Fig. 8 is the 8th kind of schematic illustration of wire-cutting device described in the utility model for simultaneously twisting machine.

Fig. 9 is the 9th kind of schematic illustration of wire-cutting device described in the utility model for simultaneously twisting machine.

Figure 10 is the top view that yarn feeding device is caught in Fig. 9.

In figure：2. 21. scissors installation base body of disconnecting device, 22. connecting rod 221.U shape push rod, 222. sliding block push rod 23. Shear blade 230. swings the elastic shear shank 241. of 24. torsional spring of shear blade 240. and compresses 242. tension spring of leaf spring, 25. electromagnet 250. cylinder, 251. electromagnet dynamic iron core, 252. cylinder rod, 254. cylinder hinge, 26. connecting rod limiting component, 260. scissors limit Position component 27. locks 28. guide rail of sliding block 271. sliding block push plate, 272. sliding block spring, 290. spring steel plate 291. and catches yarn peace Fill 292. spring steel plate supporting element of component

Specific embodiment

A kind of several specific realities for the simultaneously wire-cutting device of twisting machine of the utility model are provided below with reference to legend Example is applied, these embodiments are only to the utility model for example, not constituting the limitation to the utility model claims, The utility model does not address place and is suitable for the prior art.

A kind of embodiment 1 (shown in Figure 1) for the simultaneously wire-cutting device of twisting machine of the utility model：

The wire-cutting device for simultaneously twisting machine includes scissors installation base body 21, shear blade 23 and scissors driving dress It sets, the shear blade 23 is two panels, is mounted in scissors installation base body 21 and constitutes scissors, wherein a piece of shear blade is fixedly mounted In shear blade installation base body 21, another shear blade is rotatably installed, and the scissors driving device includes electromagnet 25, connects Bar 22, torsional spring 24, connecting rod is two, wherein 22 one end of connecting rod is hingedly mounted in scissors installation base body 21, two connecting rods 22 constitute four-bar mechanism with rotatable shear blade, and electromagnet 25 is executive component, and electromagnet core 251 is active movable part Part (output movement is reciprocating motion), torsional spring 24 is mounted in the rotation axis of rotatable shear blade, and torque has shear blade The trend rotated to the direction for cutting yarn, for torsional spring 24 in addition to twisting action, the spring ring of torsional spring 24 is also compression simultaneously Spring, such torsional spring 24 also act as the effect for compressing two panels shear blade 23 in addition to can be rotated shear blade application torque, it is ensured that Shearing is reliable；

It is the dead-centre position of link mechanism when two connecting rods 22 are located on the same line, the installation site of electromagnet 25 makes 251 moving direction of electromagnet dynamic iron core is located at direction when same straight line, and electromagnet dynamic iron core perpendicular to two connecting rods 22 251 ends, far from some distances in connecting rod dead point, make connecting rod deviation dead-centre position and connecting rod and electromagnet move iron to electromagnet direction Link mechanism is set to be maintained at the equilbrium position by electromagnet dynamic iron core 251 when 251 end of core contacts, when electromagnet 25 is powered When, electromagnet dynamic iron core 251 pushes connecting rod so that scissors is done shear action by the torsion of torsional spring 24 behind dead-centre position, described Wire-cutting device 2 for simultaneously twisting machine is mounted on by its scissors installation base body 21 with Yarn break checkout gear and cutting dress On set and twisting machine.

A kind of embodiment 2 (shown in Figure 3) for the simultaneously wire-cutting device of twisting machine of the utility model：

The present embodiment the difference from embodiment 1 is that：

He Moving Leader Mechanism is used in the scissors driving device of disconnecting device 2, i.e. scissors driving device includes electromagnet 25, connecting rod 22, torsional spring 24, locked sliding block 27 and guide rail 28, connecting rod are one, and locking sliding block 27 has on guide rail 28 along guide rail The mobile freedom degree of length direction, 22 both ends of connecting rod respectively with locked sliding block 27 and to can be rotated shear blade hinged, connecting rod, guide rail, Locked sliding block and shear blade constitute he Moving Leader Mechanism, have one on the side orthogonal direction of locked 27 moving direction of sliding block A notch, the installation orthogonal with guide rail of electromagnet 25, electromagnet dynamic iron core 251 are located at locked sliding block 27 when electromagnet 25 is not charged Notch in, prevent the direction that be closed to scissors of sliding block from moving, when the solenoid is energized, electromagnet dynamic iron core 251 is from locked cunning It is exited in the notch of block 27, sliding block can be moved along guide rail, be can be rotated shear blade and done shearing fortune under the twisting force of torsional spring 24 It is dynamic, it is artificial to push locked sliding block 27 that electromagnet dynamic iron core 251 is made to reenter locked sliding block 27 when needing to reopen scissors Notch in.

Although in this implementation power use he Moving Leader Mechanism, but it is not excluded that take other form by double leval jib machine Structure develops mechanism of the mechanism out as scissors driving device, such as slider-crank mechanism, sine mechanism, whitworth mechanism, pendulum Dynamic guide-bar mechanism, crank rocker mechanism, tangent mechanism or eccentric wheel mechanism etc..

A kind of embodiment 3 (shown in Figure 2) for the simultaneously wire-cutting device of twisting machine of the utility model：

The present embodiment the difference from embodiment 1 is that：Due to electromagnet dynamic iron core when the electromagnet in disconnecting device 2 is powered 251 its initial position the thrust that can be provided it is smaller, 26 generation of installing connecting rods limiting component in scissors installation base body 21 The initial position that connecting rod makes connecting rod be maintained at scissors opening is withstood for the electromagnet dynamic iron core 251 in embodiment 1, by electromagnet The initial position of 251 end of dynamic iron core to electromagnet direction far from some connecting rods, electromagnet dynamic iron core 251 after electromagnet 25 is powered Connecting rod 22 is just pushed after mobile a distance, it is bigger than that can be provided in embodiment 1 in the case where same specification electromagnet Thrust and impact force are conducive to reduce in this way the requirement to 25 volume of electromagnet and gravitation, be conducive to reduce electromagnet volume and at This.Meanwhile by the secondary scissors of four-bar linkage system driving two in the present embodiment, two secondary scissors can respectively cut one spacing of interval From, respectively by the yarn in Liang Fu scissor cut area, avoid cutting when cutting two root distances from biggish yarn using a secondary scissors Knife is excessive.

A kind of embodiment 4 (shown in Figure 4) for the simultaneously wire-cutting device of twisting machine of the utility model：

This embodiment differs from embodiment 1 in that：

A piece of connecting rod 22 connection electromagnet dynamic iron core 251 is used in scissors driving device and can be rotated shear blade, works as electricity When magnet 25 charges, electromagnet dynamic iron core 251 pushes rotatably shear blade rotation to cut yarn, electromagnet power-off by connecting rod 22 The spring automatic reset installed in the electromagnet dynamic iron core 251 afterwards is to preliminary examination state.

A kind of embodiment 5 (shown in Figure 5) for the simultaneously wire-cutting device of twisting machine of the utility model：

Disconnecting device 2 drives scissors folding using cylinder 250 in the present embodiment, and cylinder 250 is hinged by cylinder hinge 254 In scissors installation base body 21, cylinder rod 252 and rotatably shear blade are hinged, scissors cutting continuous strand when cylinder rod 252 stretches out, gas Scissors returns back to preliminary examination position when cylinder rod retracts.

Scissors can certainly be made to cut by the way of pushing directly on rotatable shear blade rotation in Fig. 6 by cylinder rod 252 Broken yarn line, cylinder 250 are executive component, and cylinder rod 252 is active movable parts, and output movement is to move back and forth, however not excluded that Using components such as linear motors as executive component, it is articulated in scissors installation base body by one end, the other end is articulated in rotatably Shear blade on tension spring 242 pull shear blade to restore to initial opening state, using the compression leaf spring 241 of sheet by two panels Shear blade, which is pressed together, ensures to cut yarn, and compression leaf spring 241 is " H " shape, and corresponding four angles are after compaction to static scissors Piece direction bending can prevent a little compress leaf spring 241 around its centre bore rotate, or can also reduce by two angles so that it becomes " n " shape or " u "-shaped can also use butterfly-shaped spring, and open location hole on shear blade, compress leaf spring and determine on shear blade The mode of position hole positioning prevents from compressing leaf spring rotation.

A kind of embodiment 6 (shown in Figure 7) for the simultaneously wire-cutting device of twisting machine of the utility model：

As shown in fig. 7, two panels shear blade 23 is rotatable shear blade in the present embodiment, scissors driving device uses U Shape push rod 221 pushes two panels shear blade 23 to cut yarn, and 24 two torsion bar ends of torsional spring are inserted into the hole of shear blade 23, torsional spring 24 Torque make shear blade 23 have open rotation trend, when cylinder 250 act when cylinder rod 252 push scissors closure cut yarn Line, torsional spring 24 separates shear blade when cylinder rod 252 retracts.

Disconnecting device as shown in Figure 8 can also be used, two panels swings shear blade 230 and is mounted on elastic shear shank 240, The scissor construction of the similar U-shaped small scissors of needlework is constituted, scissors passes through elastic shear shank 240 and is mounted on scissors installation base body 21 On, it is identical as in Fig. 7 that scissors opens and closes principle.

The disconnecting device in Fig. 9 can also be used, the scissors in Fig. 9 is identical as the scissor construction in Fig. 8, scissors driving dress It sets using electromagnet 25, locked sliding block 27, sliding block push plate 271 and guide rail 28, when electromagnet action electromagnet dynamic iron core 251 is removed Hui Shi, locked sliding block is pushed by sliding block spring 272 (compressed spring) to be moved down along rail length direction, is fixedly mounted on locked Sliding block push plate 271 on sliding block 27 pushes a piece of swing shear blade 230 to lower swing, and another swing shear blade is installed in The scissors limiting component 260 of the other side in scissors installation base body 21, positioned at scissors far from locked sliding block 27 blocks, and cuts yarn Locked sliding block 27 when needing to restore on scissors to original state, manually is pulled up to electromagnet dynamic iron core 251 to be inserted into and be locked by line In the notch of dead sliding block 27.

It is equipped on wire-cutting device in Fig. 9 and catches yarn feeding device, catch the two panels spring steel plate 290 of yarn feeding device by catching yarn Installing component 291 and spring steel plate supporting element 292 are mounted in scissors installation base body 21, and spring steel plate 290 is located at the yarn of scissors Line enters the side of scissors, and yarn is gripped before entering scissors by two panels spring steel plate 290, when scissors cuts all yarns Afterwards, spring steel plate 290 clamps cut-off yarn, and preventing yarn from floating to influences other spindles at the yarn of other spindles It operates normally.

Yarn feeding device is caught in addition to using spring steel plate clamping yarn, partition can also be installed in scissors installation base body will enter Yarn before scissors is separated from each other, or installs hollow pipe in scissors installation base body 21 and guide every one thread to scissors, hollow Pipe moves towards arrangement along feeding yarn.

The utility model is not limited to embodiment discussed above, and those skilled in the art can infer according to the utility model Other variant forms, these variant forms also belong to the theme of the utility model.

Claims (6)

1. it is a kind of for and twisting machine wire-cutting device, it is characterised in that the disconnecting device include scissors installation base body, Scissors and scissors driving device, the scissors are at least a pair, are mounted in scissors installation base body, and a secondary scissors includes two and cuts Blade, shear blade rotation or swing when the scissors does shearing motion.

2. the wire-cutting device according to claim 1 for simultaneously twisting machine, it is characterised in that the scissors driving dress Setting tool, there are two the foldings that equilbrium position respectively corresponds scissors, and the active movable parts output movement of scissors driving device is reciprocal Movement.

3. a kind of wire-cutting device for simultaneously twisting machine according to claim 1, it is characterised in that

The active movable parts of scissors driving device direct or through link mechanism and indirectly control shear blade movement, the connecting rod Mechanism includes four-bar mechanism and its evolution mechanism.

4. a kind of wire-cutting device for simultaneously twisting machine according to claim 1, it is characterised in that

The disconnecting device contains compression elastic element, and the compression elastic element is mounted in scissors rotation axis and separate scissors The shear blade contact of installation base body compresses two panels scissors.

5. a kind of wire-cutting device for simultaneously twisting machine according to claim 1, it is characterised in that

Be equipped between single thread yarn guide member and disconnecting device and catch yarn feeding device, it is described catch yarn feeding device by elastic compression hold, Tubulose surrounds or partition separates non-multi-folded yarn line.

6. a kind of wire-cutting device for simultaneously twisting machine according to claim 1, it is characterised in that

When scissors driving device uses electromagnet, and scissors mouth is opened, the equilbrium position of the connecting rod of driving device is by dedicated In the case that limiting component limits, electromagnet dynamic iron core pushes one end of connecting rod and by there are certain between the connecting rod of its promotion Gap.