CN102086540B

CN102086540B - Yarn cutting device for twisting machine

Info

Publication number: CN102086540B
Application number: CN201110036262A
Authority: CN
Inventors: 钱建忠; 韩国华; 戈惠娟; 陆军
Original assignee: ZHANGJIAGANG PANFENG TECHNOLOGY Co Ltd
Current assignee: ZHANGJIAGANG PANFENG TECHNOLOGY Co Ltd
Priority date: 2011-02-11
Filing date: 2011-02-11
Publication date: 2011-11-30
Anticipated expiration: 2031-02-11
Also published as: CN102086540A

Abstract

The invention discloses a yarn cutting device for a twisting machine, which can prevent twisted and doubled yarns from lacking strands. The yarn cutting device comprises a spindle beam plate and a spindle which is movably arranged on the spindle beam plate, wherein the spindle beam plate is provided with a yarn cutting support; and the yarn cutting support is provided with a cutter mechanism matched with the spindle. After the yarn cutting device is arranged, other yarns in the same group can be cut off simultaneously as long as a strand of yarn breaks in one group, and strand-lacking yarns are prevented from being coiled into a package to form strand-lacking yarns, so that the quality of the yarns is ensured and the waste of raw materials is avoided.

Description

The yarn cutting device of twisting machine

Technical field

The present invention relates to twisting machine, refer more particularly to the yarn cutting device of twisting machine.

Background technology

At present, in the industrial cloth industry, technological requirement and physical index according to fabric, usually need the retwist yarn more than two strands or two strands, its traditional system line method is: earlier industrial precursor (monofilament) is carried out twisting just with ring doubling machine or two-for-one twister, and then the monofilament of above-mentioned twisting is fed ring doubling frame together in the mode that merges more than two strands or two strands carry out retwist processing (twisting with the fingers to opposite with first twist), finally obtain finished product yarn more than two strands or two strands through winding shaping.Its shortcoming is: the ring doubling frame twisting production efficiency of using tradition to fall behind is low, produces that oiled threads, package capacity are little, top cylinder is frequent with doff when going up woven cloth, recruitment many and the waste of bobbin tail yarn is big, become drawbacks such as the cloth row yielding is low.Modernization industry is produced, and has tended to the large package precursor, big capacity is made yarn, realizes the high speed operation of weaving process.For realizing this goal, researched and developed industrial filament large package two-for-one twister, the large package precursor is put into double twisting ingot yarn storage cylinder, independent separately twisting in organizing, then (more than two strands or two strands) yarn in this group is merged the roller yarn-feeding device enter before the package, become sth. made by twisting and yarn more than two strands or two strands through winding shaping again, then, this folded yarn is carried out two-for-one twister twisting (retwist) once more, just form the retwist yarn of multiply.In reality sth. made by twisting and process, yarn is when twisting with the fingers also more than two strands, and one yarn that takes place in a group through regular meeting breaks; and all the other several one threads are disconnected, thereby cause a scarce strand yarn to be involved in package, form to lack a strand yarn; if the spinner can not in time find, will cause the waste product yarn, the waste raw material.

Summary of the invention

Technical problem to be solved by this invention is: provide a kind of can prevent to twist with the fingers and after the yarn cutting device of the twisting machine that lacks strand of yarn.

For solving the problems of the technologies described above, the technical solution used in the present invention is: the yarn cutting device of twisting machine, comprise: ingot beam slab and the spindle that is movably arranged on the ingot beam slab, the ingot beam slab is provided with the yarn cutting support, and the yarn cutting support is provided with the cutter mechanism that matches with spindle;

The concrete set-up mode of described cutter mechanism is: described yarn cutting support is provided with the cutter shell that axially offers ladder hole, be movably set with the slide bar body in the cutter shell, the slide bar body comprises slider block and the slide bar that is arranged on the slider block, slide bar matches with the aperture of ladder hole, slider block matches with the macropore of ladder hole, the end of slide bar is provided with cutting knife, be set with back-moving spring on the slide bar, one end of back-moving spring is pressed on the sliding seat, the other end of back-moving spring is pressed on the bottom of the macropore of ladder hole, offer pin-and-hole on the slider block, activity is equipped with pushing pin in the pin-and-hole, the top of pushing pin is provided with the pin cap, offer pin clamp that matches with the pin cap and the chute that matches with pushing pin on the cutter shell, pushing pin inserts the pin-and-hole of slider block from pin clamp, stretch out from chute the lower end of pushing pin, described yarn cutting support is provided with the yarn cutting cylinder below the cutter shell, the piston rod of yarn cutting cylinder is in tilted layout with respect to slide bar, this piston rod is provided with the collision block that matches with pushing pin, and the bump end of collision block is provided with the slope in the side near the yarn cutting cylinder block.

The both sides on described cutting knife top are respectively arranged with blade.

Also be equipped with the spacer pin that matches with sliding seat on the described cutter shell.

The invention has the beneficial effects as follows: after having installed yarn cutting device of the present invention additional, as long as one yarn broken string is arranged in one group, just all the other yarns on the same group can be cut off simultaneously, thereby can avoid lacking a strand yarn and be involved in package, form and lack a strand yarn, thereby guaranteed quality of yarn, avoided raw-material waste.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the sectional structure schematic diagram of cutter mechanism among Fig. 1.

Fig. 3 is the plan structure schematic diagram of cutting knife among Fig. 2.

Among Fig. 1 to Fig. 3: 1, ingot beam slab, 3, two-for-one twisting spindles, 6, the yarn cutting support, 7, yarn cutting cylinder, 8, collision block, 9, the cutter shell, 91, pin clamp, 92, chute, 10, slider block, 11, slide bar, 12, back-moving spring, 13, pushing pin, 131, pin cap, 14, spacer pin, 26, bolster, 31, cutting knife, 311, blade, 312, blade.

The specific embodiment

Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.

As shown in Figure 1, the yarn cutting device of twisting machine of the present invention, comprise: ingot beam slab 1 and the spindle that is used for double twisting that is movably arranged on the ingot beam slab 1 by bolster 26 are two-for-one twisting spindles 3, ingot beam slab 1 is provided with yarn cutting support 6, yarn cutting support 6 is provided with the cutter mechanism that matches with two-for-one twisting spindles 3, as shown in Figure 2, its concrete set-up mode is: described yarn cutting support 6 is provided with the cutter shell 9 that axially offers ladder hole, be movably set with by slider block 10 in the cutter shell 9 and be arranged on the slide bar body that the slide bar 11 on the slider block 10 constitutes, slide bar 11 matches with the aperture of ladder hole, slider block 10 matches with the macropore of ladder hole, the end of slide bar 11 is provided with cutting knife 31, the both sides on cutting knife 31 tops are respectively arranged with

blade

311 and 312---referring to shown in Figure 3, be set with back-moving spring 12 on the slide bar 11, one end of back-moving spring 12 is pressed on the sliding seat 10, the other end of back-moving spring 12 is pressed on the bottom of the macropore of ladder hole, offer pin-and-hole on the slider block 10, activity is equipped with pushing pin 13 in the pin-and-hole, the top of pushing pin 13 is provided with pin cap 131, offer pin clamp 91 that matches with pin cap 131 and the chute 92 that matches with pushing pin 13 on the cutter shell 9, pushing pin 13 inserts the pin-and-hole of slider block 10 from pin clamp 91, stretch out from chute 92 lower end of pushing pin 13, described yarn cutting support 6 is provided with yarn cutting cylinder 7 below cutter shell 9, the piston rod of yarn cutting cylinder 7 is in tilted layout with respect to slide bar 11, decide according to the traverse of yarn cutting cylinder 7 at the angle of inclination, the piston rod of yarn cutting cylinder 7 is provided with the collision block 8 that matches with pushing pin 13, the bump end of collision block 8 is provided with the slope in the side near yarn cutting cylinder 7 cylinder bodies, that is: the inboard acting surface of collision block 8 bump ends is the inclined-plane, also be equipped with the spacer pin 14 that matches with sliding seat 10 on the described cutter shell 9, so just can suitably increase the elasticity of back-moving spring 12, shorten the return time of cutting knife 31.

Twisting machine is when sth. made by twisting and multiply yarn, because each ingot all is equipped with the photo-electric type Yarn detector in the group, as long as there is one yarn to take place to rupture or do not have the yarn state, Yarn detector just sends signal, at this moment, electronic reversal valve action, yarn cutting cylinder 7 begins action immediately, the cutting knife of receiving in when making normal twisting 31 and the piston rod of yarn cutting cylinder 7 protract, the concrete course of work is: the collision block 8 on the piston rod of yarn cutting cylinder 7 is pushing away pushing pin 13 reaches, the slide bar body overcomes back-moving spring 12 under the effect of pushing pin 13 elastic force carries cutting knife 31 and moves forward, when cutting knife 31 arrives the track place that is positioned at the ballooning of yarn on the two-for-one twisting spindles 3 twisting dishes, air ring yarn corresponding in blade 311 on the

cutting knife

31 or 312 will be organized cuts off, and yarn no longer is drawn out on two-for-one twisting spindles 3; Piston rod at yarn cutting cylinder 7 continues to protract, when reaching the traverse value of yarn cutting cylinder 7, because being with respect to the glide direction of slide bar 11, the piston rod of yarn cutting cylinder 7 is in tilted layout, make collision block 8 slippage on pushing pin 13, the slide bar body carries cutting knife 31 and contracts in replying under the effect of back-moving spring 12, makes to be unlikely the accidental wound hand when handling yarn.After the arrangement yarn finishes, start yarn cutting cylinder 7 reverse operations, at this moment, the piston rod of yarn cutting cylinder 7 begins to regain, when collision block 8 is run into pushing pin 13, because the inboard acting surface of collision block 8 is the inclined-plane, electing pushing pin 13 upwards moves, like this, collision block 8 is crossed pushing pin 13, retracts to original state, meanwhile, pushing pin 13 also falls under the effect of gravity, returns to the machine performance of operate as normal, waits for when next time again broken yarn takes place and moving.

Claims

1. the yarn cutting device of twisting machine, comprise: ingot beam slab and the spindle that is movably arranged on the ingot beam slab, it is characterized in that: described ingot beam slab is provided with the yarn cutting support, the yarn cutting support is provided with the cutter mechanism that matches with spindle, the concrete set-up mode of this cutter mechanism is: described yarn cutting support is provided with the cutter shell that axially offers ladder hole, be movably set with the slide bar body in the cutter shell, the slide bar body comprises slider block and the slide bar that is arranged on the slider block, slide bar matches with the aperture of ladder hole, slider block matches with the macropore of ladder hole, the end of slide bar is provided with cutting knife, be set with back-moving spring on the slide bar, one end of back-moving spring is pressed on the sliding seat, the other end of back-moving spring is pressed on the bottom of the macropore of ladder hole, offer pin-and-hole on the slider block, activity is equipped with pushing pin in the pin-and-hole, the top of pushing pin is provided with the pin cap, offer pin clamp that matches with the pin cap and the chute that matches with pushing pin on the cutter shell, pushing pin inserts the pin-and-hole of slider block from pin clamp, stretch out from chute the lower end of pushing pin, described yarn cutting support is provided with the yarn cutting cylinder below the cutter shell, the piston rod of yarn cutting cylinder is in tilted layout with respect to slide bar, this piston rod is provided with the collision block that matches with pushing pin, and the bump end of collision block is provided with the slope in the side near the yarn cutting cylinder block.

2. yarn cutting device as claimed in claim 1 is characterized in that: the both sides on described cutting knife top are respectively arranged with blade.

3. yarn cutting device as claimed in claim 1 or 2 is characterized in that: also be equipped with the spacer pin that matches with sliding seat on the described cutter shell.