CN214782448U - Yarn feeding device - Google Patents

Abstract

The utility model belongs to the technical field of weaving equipment, especially, relate to a yarn feeding device on hosiery machine, including leading the yarn seat and setting up shuttle and the power component on leading the yarn seat, the shuttle has a plurality ofly and sets up side by side, power component is used for driving single shuttle and rotates downwards or resets, or two and above shuttles rotate downwards simultaneously or reset, wherein, the shuttle initial stage, its one end slope that has the entrance hole sets up, the power component drive the motion state of shuttle is, and the one end that the shuttle had the entrance hole rotates down to the minimum after, continues one section distance of antedisplacement, or resets. The needle problem of keeping off, what is essentially is caused by the path orbit influence of shuttle, for this reason the utility model provides a yarn feeding device, through power component drive shuttle rotate to the minimum after, drive its antedisplacement one section distance again, through the distance of this antedisplacement, the possibility of the striker has significantly reduced, the effectual life who improves crochet hook and shuttle.

Description

Yarn feeding device

Technical Field

The utility model belongs to the technical field of weaving equipment, especially, relate to a yarn feeding device on hosiery machine.

Background

Hosiery machines are knitting machines which use crochet needles to knit shaped hosiery pieces, with the threads being fed to the crochet needles by shuttles for knitting.

Some present yarn feeding device's working method all adopts the cylinder to drive articulated shuttle and rotates, and the one end that makes the shuttle have the entrance hole outwards stretches out to be convenient for cooperate with the crochet hook, cooperation between the two is in the pinhole of crochet hook is embedded into with the pivoted mode to the shuttle, however because the extension distance after the shuttle rotates is too little, so that the phenomenon of keeping off the needle appears easily, lead to crochet hook and shuttle wearing and tearing easily after long-time, greatly reduced life. For example, in chinese utility model publication No. CN101994207B, there is a need for an improved yarn feeding shuttle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a yarn feeding device with a non-blocking needle, aiming at the technical problems.

The purpose of the utility model is realized like this: the utility model provides a yarn feeding device, includes and leads the yarn seat and set up shuttle and the power component on leading the yarn seat, the shuttle has a plurality ofly and sets up side by side, power component is used for driving single shuttle and rotates downwards or resets, or two and above shuttles rotate downwards simultaneously or reset its characterized in that: in the initial stage of the shuttle, one end of the shuttle, which is provided with the wire inlet hole, is arranged upwards in an inclined mode, and the power assembly drives the shuttle to move forwards for a certain distance or reset after the end, which is provided with the wire inlet hole, of the shuttle rotates downwards to the lowest point.

Through adopting above-mentioned technical scheme, keep off the needle problem, the path orbit influence of being essentially by the shuttle is sent, for this reason the utility model provides a yarn feeding device rotates to the minimum after through power component drive shuttle, drives its antedisplacement one section distance again, through the distance of this antedisplacement, with horizontal direction male mode and crochet hook cooperation promptly to the possibility of striker has significantly reduced, the effectual life who improves crochet hook and shuttle.

The utility model discloses further set up to: the yarn guide seat comprises two side plates which are distributed at the left and the right, a plurality of shuttles are arranged between the two side plates, the shuttle is W-shaped and is divided into a limiting part at one end, a connecting part in the middle and a wire inlet part at the other end, a limiting groove hole penetrating through two side ends of the limiting part is arranged below the side surface of the limiting part, a first limiting guide post, a second limiting guide post and a third limiting guide post are connected between the two side plates, the first limiting guide post penetrates through the limiting slotted hole on each shuttle, the outer wall of the second limiting guide post is abutted or tightly pressed against the upper connecting part of the limiting part and the connecting part on each shuttle, the outer wall of the third limiting guide post is abutted or tightly abutted against the rear side surface of the limiting part on each shuttle, a certain distance is reserved between the limiting groove hole and the first limiting guide pillar, and the distances from the second limiting guide pillar and the third limiting guide pillar to the bottom of the yarn guide seat are both larger than the distance from the first limiting guide pillar to the yarn guide seat; and pushing the limiting part to one end of the wire inlet part of the shuttle, and enabling the shuttle to move forwards for a certain distance under the guidance of the space between the limiting groove hole and the first limiting guide post after the shuttle rotates for a certain angle by taking the first limiting guide post as a rotating point.

By adopting the technical proposal, the traditional shuttles are all hinged on the yarn guide seat, in order to change the path of the shuttles, the shuttle is arranged in a W shape, and is limited by the first limiting guide post, the second limiting guide post and the third limiting guide post, wherein, after the first limit guide post is embedded into the limit slotted hole on the shuttle, a certain distance is arranged between the first limit guide post and the limit slotted hole, so that the path of the shuttle becomes possible for rotating-advancing, under the action of the power assembly, the shuttle rotates by taking the first limiting guide post as a rotating shaft, in the process, the second limiting guide post rolls on the surface of the limiting part of the shuttle, the third limiting guide post is separated from the limiting part, after the first limiting guide pillar rotates to the lowest point, the first limiting guide pillar moves in the limiting groove hole and stops when the first limiting guide pillar moves to the other end of the limiting groove hole; when the reset is needed, the power assembly moves reversely.

The utility model discloses further set up to: a first concave arc surface is arranged at the upper connection part of the limiting part and the connection part, a second concave arc surface is arranged at the position where the second limiting guide pillar is abutted or tightly abutted against the limiting part when the shuttle moves forwards to the extreme end, and an arc-shaped guide surface protruding outwards is also arranged between the first concave arc surface and the second concave arc surface of the limiting part; when the shuttle rotates, the second limiting guide pillar slides on the arc-shaped guide surface after being separated from the first concave arc surface; when the shuttle moves forwards, the second limiting guide pillar slides to the second concave cambered surface from the end part of the cambered guide surface.

Through adopting above-mentioned technical scheme, for can making the second spacing guide pillar in the spacing part of shuttle smooth slip, be provided with first concave cambered surface, second concave cambered surface and arc guide surface for this reason, at initial stage, the spacing guide pillar adaptation of second is on first concave cambered surface, when the motion, the spacing guide pillar of second slides on the arc guide surface earlier, slides to second concave cambered surface afterwards on to reduce the frictional force between spacing guide pillar of second and the shuttle, the life of shuttle has been improved.

The utility model discloses further set up to: the yarn feeding device also comprises a yarn blocking component used for increasing the height of the yarn passing through the advancing wire hole;

the yarn blocking assembly comprises a limiting seat body, a limiting blocking rod, a torsion spring, a transmission block and a transmission piece, the limiting seat body is arranged on the front side of the yarn guide seat, the limiting blocking rod is of an L-shaped structure and is divided into a limiting rod part and a connecting rod part, the limiting rod part is transversely arranged below the yarn inlet part of the shuttle and used for tensioning the yarn passing through the yarn inlet hole, and the connecting rod part passes through the limiting seat body and is rotatably connected with the limiting seat body;

one or more shuttles rotate downwards, and meanwhile, after contacting a limiting rod part, the connecting rod part is taken as a rotating shaft to push the limiting rod part to rotate downwards, the torsion spring is arranged on the extending end of the connecting rod part, the end part of each shuttle slides on the limiting rod part and is separated from the limiting rod part, and the torsion spring is used for driving the connecting rod part to reset; the transmission block is arranged on the extending end of the connecting rod part, the transmission sheet is hinged on the yarn guide seat, one end of the transmission sheet abuts against the upper end surface of the transmission block, and the transmission sheet is controlled by the power assembly to rotate downwards or reset;

when the transmission piece rotates downwards, the transmission block and the connecting rod part are pushed to rotate simultaneously, the limiting rod part rotates downwards, and the shuttle which rotates downwards and moves forwards is not blocked by the limiting rod part when resetting.

By adopting the technical scheme, in order to avoid the interference of two bundles of yarns entering the front line hole and the rear line hole, the utility model is provided with the yarn blocking component for improving the height of the yarns passing through the front line hole;

because the shuttle pushes the limiting rod part to rotate downwards, larger external sound can be generated, and the friction between the limiting rod part and the shuttle is serious, the power assembly is adopted to control the operation of the thread stopping assembly, the working mode is that,

drive the transmission piece through power component earlier and rotate for the transmission piece drives connecting rod portion and spacing pole portion and rotates downwards, and power component drives one of them or a plurality of shuttles and rotates and the antedisplacement afterwards, resets by power component control connecting rod portion, spacing pole portion after that, and at the in-process that spacing pole portion resets, the yarn that can will get into on the advancing line hole outwards pulls out the height, thereby avoids taking place the interference.

The utility model discloses further set up to: the power assembly comprises

The cylinder group is arranged at the rear sides of the two side plates and is positioned at the rear side of the shuttle, the cylinder group is provided with piston rods which are consistent with the total number of the shuttle and the transmission piece, the extending end of one piston rod corresponds to the upper end of the rear side of the transmission piece, the extending ends of the other piston rods respectively correspond to the upper ends of the rear sides of the limiting parts on the shuttles one by one, and the corresponding shuttles or the transmission pieces are pushed to move by controlling the extending of the piston rods;

and the spring group is provided with tension springs with the same total number as the shuttles and the transmission pieces, a pull rod positioned below the rear side of the spring group is arranged between the two side plates, one end of each tension spring is connected to the pull rod, the other end of one tension spring is connected with the lower end of the rear side of the transmission piece, the other ends of the other tension springs are respectively connected to the lower end of the rear side of the limiting part of each shuttle, and after a piston rod on the cylinder group retracts, the spring group is used for pulling back and resetting the corresponding shuttle or the transmission piece.

By adopting the technical scheme, in order to control each shuttle and the transmission piece, the utility model adopts a pneumatic mode to drive and resets through the tension of the tension spring; the cylinder group drives the shuttle to overturn, and moves forwards after reaching the horizontal position, so that the inlet wire part of the shuttle is embedded into the needle hole of the hook needle, and when the hook needle is reset, the cylinder group retracts, and meanwhile, the extension spring pulls the shuttle to enable the inlet wire part to be separated from the needle hole of the hook needle, and then the hook needle overturns very conveniently and practically.

The utility model discloses further set up to: and a threading baffle is also arranged on the yarn guide seat and is positioned obliquely above the yarn inlet part of the shuttle.

Through adopting above-mentioned technical scheme, through setting up threading baffle to retrain each bunch of yarn, avoid taking place to interfere.

The utility model has the advantages that:

1. the needle problem of keeping off, what is essentially is caused by the path orbit influence of shuttle, for this reason the utility model provides a yarn feeding device, through power component drive shuttle rotate to the minimum after, drive its antedisplacement one section distance again, through the distance of this antedisplacement, with the cooperation of horizontal direction male mode and crochet hook promptly to the possibility of striker has significantly reduced, the effectual life who improves crochet hook and shuttle.

2. For avoiding getting into the two bunches of yarns in the front wire hole and the back wire hole and taking place to disturb, to this the utility model discloses be provided with the fender line subassembly to be used for improving the height of the yarn that passes the front wire hole.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the shuttle of the present invention;

fig. 4 is a schematic view of the internal structure of the present invention;

FIG. 5 is an enlarged view at A in FIG. 4;

FIG. 6 is an enlarged view at B in FIG. 4;

the reference numbers in the figures are:

1. a yarn guide seat; 11. a side plate; 12. a first limit guide pillar; 13. a second limit guide pillar; 14. a third limiting guide pillar; 15. a fourth limit guide pillar; 16. a limiting component; 161. a first limit shaft; 162. a second limit shaft; 163. a limiting block; 164. a limit bolt; 17. a cover plate; 2. a shuttle; 21. a stopper portion; 22. a connecting portion; 23. a wire inlet part; 24. limiting slotted holes; 25. a first concave arc surface; 26. a second concave arc surface; 27. an arc-shaped guide surface; 28. an advancing wire hole; 29. a rear wire inlet hole; 3. a power assembly; 31. a cylinder group; 32. a spring set; 321. a tension spring; 322. a pull rod; 4. a wire blocking assembly; 41. a limiting seat body; 42. a limit stop lever; 421. a limiting rod part; 422. a connecting rod part; 43. a torsion spring; 44. a transmission block; 45. a driving strap; 5. threading baffle.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the embodiments of the present invention is described below in detail and completely with reference to the accompanying drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

A yarn feeding device comprises a yarn guide seat 1, a plurality of shuttles 2 and a power assembly 3, wherein the shuttles 2 are arranged side by side, the power assembly 3 is used for driving a single shuttle 2 to rotate downwards or reset, or two or more shuttles 2 simultaneously rotate downwards or reset, one end of each shuttle 2 with a wire inlet is arranged upwards in the initial stage, and the power assembly 3 drives the shuttle 2 to move forwards for a certain distance or reset after the end of each shuttle 2 with the wire inlet rotates downwards to the lowest point.

The needle problem of keeping off, what is essentially is caused by the path orbit influence of shuttle 2, for this reason the utility model provides a yarn feeding device, through 3 drive shuttles 2 of power component rotate to the minimum after, drive its antedisplacement one section distance again, through the distance of this antedisplacement, with the cooperation of crochet hook with the inserted mode of horizontal direction promptly to the possibility of striker has significantly reduced, the effectual life who improves crochet hook and shuttle 2.

As shown in fig. 1, 2 and 3, the yarn guide seat 1 of the present invention comprises two side plates 11 distributed left and right, a plurality of shuttles 2 are disposed between the two side plates 11, each shuttle 2 is W-shaped and is divided into a limiting part 21 at one end, a middle connecting part 22 and an incoming line part 23 at the other end, a limiting slot 24 passing through both ends of the limiting part 21 is disposed below the side surface of the limiting part 21, a first limiting guide post 12, a second limiting guide post 13 and a third limiting guide post 14 are connected between the two side plates 11, the first limiting guide post 12 is disposed through the limiting slot 24 on each shuttle 2, the outer wall of the second limiting guide post 13 is abutted against or abutted against the upper connecting part of the limiting part 21 and the connecting part 22 on each shuttle 2, the outer wall of the third limiting guide post 14 is disposed or abutted against the rear side surface of the limiting part 21 on each shuttle 2, a certain distance is provided between the limiting slot 24 and the first limiting guide post 12, the distance between the second limiting guide post 13 and the third limiting guide post 14 and the bottom of the yarn guide seat 1 is larger than the distance between the first limiting guide post 12 and the yarn guide seat 1; the limiting part 21 is pushed to one end of the wire inlet part 23 of the shuttle 2, and after the shuttle 2 rotates for a certain angle by taking the first limiting guide post 12 as a rotating point, the shuttle 2 moves forwards for a certain distance under the guidance of the space between the limiting slotted hole 24 and the first limiting guide post 12.

The traditional shuttle 2 is hinged on the yarn guide seat 1, in order to change the path of the shuttle, the shuttle 2 is arranged in a W shape, and the shuttle 2 is limited by the first limit guide post 12, the second limit guide post 13 and the third limit guide post 14, wherein, after the first limit guide post 12 is embedded in the limit slot hole 24 on the shuttle 2, a certain distance is arranged between the first limit guide post 12 and the limit slot hole 24, so that the path of the shuttle 2 is possible to rotate-move forwards, under the action of the power component 3, the shuttle 2 rotates by taking the first limit guide post 12 as a rotating shaft, in the process, the second limit guide post 13 rolls on the surface of the limit part 21 of the shuttle 2, the third limit guide post 14 is separated from the limit part 21, after rotating to the lowest point, the first limit guide post 12 moves in the limit slot hole 24, stopping when the first limiting guide post 12 moves to the other end of the limiting slotted hole 24; when the reset is needed, the power assembly 3 moves reversely.

The utility model discloses an upper junction of spacing part 21 and coupling part 22 is provided with first concave cambered surface 25, when shuttle 2 moves forward to the extreme end, the position department that second spacing guide pillar 13 contradicts or supports in spacing part 21 is provided with second concave cambered surface 26, still is provided with the arc guide surface 27 of outside salient between first concave cambered surface 25 and the second concave cambered surface 26 of spacing part 21; when the shuttle 2 rotates, the second limit guide post 13 slides on the arc-shaped guide surface 27 after being separated from the first concave arc surface 25; when the shuttle 2 moves forward, the second stopper guide post 13 slides from the end of the arc-shaped guide surface 27 to the second concave arc surface 26.

As shown in fig. 2 and 3, in order to enable the second limit guide post 13 to smoothly slide on the limit part 21 of the shuttle 2, a first concave arc surface 25, a second concave arc surface 26 and an arc-shaped guide surface 27 are provided for this purpose, in the initial stage, the second limit guide post 13 is fitted on the first concave arc surface 25, and during movement, the second limit guide post 13 firstly slides on the arc-shaped guide surface 27 and then slides on the second concave arc surface 26, so that the friction force between the second limit guide post 13 and the shuttle 2 is reduced, and the service life of the shuttle 2 is prolonged.

As shown in fig. 1, 4 and 5, the yarn feeding device of the present invention has a front thread hole 28 and a rear thread hole 29 on the yarn feeding portion 23 of the shuttle 2, and further includes a thread stop assembly 4 for increasing the height of the yarn passing through the front thread hole 28;

the thread stopping assembly 4 comprises a limiting seat body 41, a limiting stop lever 42, a torsion spring 43, a transmission block 44 and a transmission piece 45, wherein the limiting seat body 41 is arranged at the front side of the thread guide seat 1, the limiting stop lever 42 is of an L-shaped structure and is divided into a limiting lever part 421 and a connecting lever part 422, the limiting lever part 421 is transversely arranged below the thread inlet part 23 of the shuttle 2 and is used for tensioning the thread passing through the advancing thread hole 28, and the connecting lever part 422 passes through the limiting seat body 41 and is rotatably connected with the limiting seat body 41;

when one or more shuttles 2 rotate downwards and contact the limiting rod part 421, the connecting rod part 422 is used as a rotating shaft to push the limiting rod part 421 to rotate downwards, the torsion spring 43 is arranged on the extending end of the connecting rod part 422, the end part of the shuttle 2 slides on the limiting rod part 421 and is separated from the limiting rod part 421, and the torsion spring 43 is used for driving the connecting rod part 422 to reset; the transmission block 44 is arranged on the extending end of the connecting rod part 422, the transmission sheet 45 is hinged on the yarn guide seat 1, one end of the transmission sheet is abutted against the upper end surface of the transmission block 44, and the transmission sheet 45 is controlled by the power assembly 3 to rotate downwards or reset;

when the driving strap 45 rotates downwards, the driving block 44 and the connecting rod part 422 are pushed to rotate simultaneously, so that the limiting rod part 421 rotates downwards, and the shuttle 2 which rotates downwards and moves forwards is not blocked by the limiting rod part 421 when resetting.

In order to avoid the interference of the two yarns entering the front wire hole 28 and the rear wire hole 29, the utility model is provided with the wire blocking component 4 for improving the height of the yarn passing through the front wire hole 28;

because the shuttle 2 pushes the limit rod part 421 to rotate downwards, a larger external sound is generated, and the friction between the two parts is serious, the power component 3 is adopted to control the operation of the thread stopping component 4, the working mode is,

the driving transmission piece 45 rotates before the power component 3, so that the transmission block 44 drives the connecting rod part 422 and the limiting rod part 421 to rotate downwards, then the power component 3 drives one or more shuttles 2 to rotate and move forwards, then the connecting rod part 422 and the limiting rod part 421 are controlled by the power component 3 to reset, and in the resetting process of the limiting rod part 421, yarns entering the advancing wire hole 28 are pulled out to be high, so that interference is avoided.

As shown in fig. 1, 2 and 4, the power assembly 3 of the present invention includes

The cylinder group 31 is arranged at the rear sides of the two side plates 11 and is positioned at the rear side of the shuttle 2, the cylinder group 31 is provided with piston rods which are consistent with the total number of the shuttle 2 and the transmission piece 45, the extending end of one piston rod corresponds to the upper end of the rear side of the transmission piece 45, the extending ends of the other piston rods respectively correspond to the upper end of the rear side of the limiting part 21 on each shuttle 2 one by one, and the corresponding shuttle 2 or the transmission piece 45 is pushed to move by controlling the extending of each piston rod;

and a spring group 32, wherein the spring group 32 is provided with tension springs 321 which are consistent with the total number of the shuttles 2 and the transmission piece 45, a pull rod 322 which is positioned below the rear side of the spring group is further arranged between the two side plates 11, one end of each tension spring 321 is connected to the pull rod 322, the other end of one tension spring 321 is connected with the lower end of the rear side of the transmission piece 45, the other ends of the other tension springs 321 are respectively connected with the lower end of the rear side of the limiting part 21 of each shuttle 2, and after the piston rod on the cylinder group 31 retracts, the spring group 32 is used for pulling back the corresponding shuttle 2 or the transmission piece 45 to be reset.

The shuttle 2 and the transmission piece 45 can be controlled, so that the pneumatic driving device of the utility model is driven pneumatically and reset by the tension of the tension spring 321; namely, the shuttle 2 is driven by the cylinder group 31 to turn over, after reaching the horizontal position, the shuttle 2 moves forwards, so that the wire inlet part 23 of the shuttle 2 is embedded into the needle hole of the crochet hook, when the shuttle is reset, the cylinder group 31 retracts, meanwhile, the tension spring 321 pulls the shuttle 2, the wire inlet part 23 is pulled out from the needle hole of the crochet hook, and then the shuttle is turned over, which is very convenient and practical.

Since the shuttle 2 is reset by the tension of the tension spring 321, the shuttle 2 is not stably limited only by the second limit guide post 13 and the third limit guide post 14, and therefore, as shown in fig. 2, 4 and 6, a fourth limit guide post 15 is further provided between the two side plates 11, the fourth limit guide post 15 is positioned above the shuttle 2, and after the shuttle 2 is reset, the connecting portion 22 on the shuttle 2 is abutted against the fourth limit guide post 15.

With respect to the position where the shuttle 2 rotates downward to the lowest point, in fact, the incoming line part 23 rotates from the upward inclined state to the horizontal state, for realizing precise control, a limiting assembly 16 is provided, for this purpose, as shown in fig. 2, 4 and 6, the limiting assembly 16 includes a first limiting shaft 161, a second limiting shaft 162, a limiting block 163 and an adjustable limiting bolt 164; the number of the shuttles 2 can be generally five, the limiting component 16 can also control the transmission piece 45, therefore, the limiting block 163 can be six, the first limiting shaft 161 and the second limiting shaft 162 are both arranged on the two side plates 11 and are both positioned above the shuttles 2, one end of the limiting block 163 is provided with a through hole which is rotatably connected with the first limiting shaft 161, the second limiting shaft 162 is positioned below the limiting block 163, the lower end surface of the limiting block 163 is an inclined surface, after the stabilizing under the action of gravity, the second limiting shaft 162 supports the bottom of the limiting block 163, one limiting block 163 is opposite to the transmission piece 45, the rest is opposite to the limiting part 21 on each shuttle 2, the upper ends of the two side plates 11 are provided with a cover plate 17, the limiting bolts 164 are six and are arranged on the cover plate 17 in a threaded connection mode, the lower ends of the limiting bolts respectively face the upper end surfaces of the limiting blocks 163 after passing through the cover plate 17, after the limiting block 163 rotates a certain angle in the direction away from the second limiting shaft 162, the upper end surface of the limiting block 163 abuts against the bottom of the limiting bolt 164, so as to limit the limiting block 163 to continue rotating; in the process of the rotation and forward movement of the shuttle 2, the limiting part 21 gradually approaches the limiting block 163, and pushes the limiting block 163 to rotate along the second limiting shaft 162, and after the upper end surface of the limiting block 163 abuts against the corresponding limiting bolt 164, it indicates that the shuttle 2 rotates to the lowest point.

Preferably, as shown in fig. 1, a threading baffle 5 is also arranged on the yarn guide seat 1, and the threading baffle 5 is positioned obliquely above the yarn inlet part 23 of the shuttle 2. Through setting up threading baffle 5 to retrain each bundle of yarn, avoid taking place to interfere.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a yarn feeding device, includes and leads yarn seat (1) and set up shuttle (2) and power component (3) on leading yarn seat (1), shuttle (2) have a plurality ofly and set up side by side, power component (3) are used for driving single shuttle (2) and rotate downwards or reset, or two and more shuttle (2) rotate downwards or reset simultaneously, its characterized in that: in the initial stage of the shuttle (2), one end of the shuttle with the wire inlet hole is arranged upwards in an inclined mode, and the power assembly (3) drives the shuttle (2) to move forwards for a certain distance or reset after the end of the shuttle (2) with the wire inlet hole rotates downwards to the lowest point.

2. Yarn feeding device as in claim 1, characterised in that: the yarn guide seat (1) comprises two side plates (11) distributed on the left and right, a plurality of shuttles (2) are arranged between the two side plates (11), each shuttle (2) is W-shaped and is divided into a limiting part (21) at one end, a middle connecting part (22) and a yarn inlet part (23) at the other end, limiting slotted holes (24) penetrating through two side ends of each shuttle are formed below the side surfaces of the limiting parts (21), a first limiting guide pillar (12), a second limiting guide pillar (13) and a third limiting guide pillar (14) are connected between the two side plates (11), the first limiting guide pillar (12) penetrates through the limiting slotted holes (24) on the shuttles (2), the outer wall of the second limiting guide pillar (13) is arranged at the upper connecting part of the limiting part (21) and the connecting part (22) on each shuttle (2) in a butting or abutting mode, and the outer wall of the third limiting guide pillar (14) is arranged at the rear connecting part (21) on each shuttle (2) in a butting or abutting mode The side surface is arranged, a certain distance is reserved between the limiting groove hole (24) and the first limiting guide post (12), and the distances from the second limiting guide post (13) and the third limiting guide post (14) to the bottom of the yarn guide seat (1) are both larger than the distance from the first limiting guide post (12) to the yarn guide seat (1); the limiting part (21) is pushed to one end of the wire inlet part (23) of the shuttle (2), and after the shuttle (2) rotates for a certain angle by taking the first limiting guide post (12) as a rotating point, the shuttle (2) moves forward for a certain distance under the guide of the space between the limiting groove hole (24) and the first limiting guide post (12).

3. Yarn feeding device as in claim 2, characterised in that: a first concave arc surface (25) is arranged at the upper connection part of the limiting part (21) and the connection part (22), a second concave arc surface (26) is arranged at the position where the second limiting guide pillar (13) is abutted or tightly abutted against the limiting part (21) when the shuttle (2) moves forwards to the extreme end, and an arc-shaped guide surface (27) protruding outwards is further arranged between the first concave arc surface (25) and the second concave arc surface (26) of the limiting part (21); when the shuttle (2) rotates, the second limiting guide post (13) slides on the arc-shaped guide surface (27) after being separated from the first concave arc surface (25); when the shuttle (2) moves forwards, the second limit guide post (13) slides to the second concave arc surface (26) from the end part of the arc-shaped guide surface (27).

4. Yarn feeding device as in claim 2 or 3, characterised in that: the yarn feeding device comprises a yarn inlet part (23) of the shuttle (2) and a yarn stopping assembly (4), wherein the yarn inlet part (23) is provided with an advancing hole (28) and a rear inserting hole (29), and the yarn feeding device is used for increasing the height of yarn passing through the advancing hole (28);

the yarn blocking assembly (4) comprises a limiting seat body (41), a limiting blocking rod (42), a torsion spring (43), a transmission block (44) and a transmission piece (45), the limiting seat body (41) is arranged on the front side of the yarn guide seat (1), the limiting blocking rod (42) is of an L-shaped structure and is divided into a limiting rod part (421) and a connecting rod part (422), the limiting rod part (421) is transversely arranged below the yarn inlet part (23) of the shuttle (2) and used for tensioning the yarn passing through the yarn inlet hole (28), and the connecting rod part (422) passes through the limiting seat body (41) and is rotatably connected with the limiting seat body (41);

one or more shuttles (2) rotate downwards, and meanwhile, after contacting a limiting rod part (421), a connecting rod part (422) is taken as a rotating shaft to push the limiting rod part (421) to rotate downwards, a torsion spring (43) is arranged at the extending end of the connecting rod part (422), after the end part of the shuttle (2) slides on the limiting rod part (421) and is separated from the limiting rod part (421), the torsion spring (43) is used for driving the connecting rod part (422) to reset; the transmission block (44) is arranged on the extending end of the connecting rod part (422), the transmission sheet (45) is hinged on the yarn guide seat (1), one end of the transmission sheet abuts against the upper end surface of the transmission block (44), and the transmission sheet (45) is controlled by the power assembly (3) to rotate downwards or reset;

when the transmission piece (45) rotates downwards, the transmission block (44) and the connecting rod part (422) are pushed to rotate simultaneously, the limiting rod part (421) rotates downwards, and the shuttle (2) which rotates downwards and moves forwards is not blocked by the limiting rod part (421) when resetting.

5. Yarn feeding device as in claim 4, characterised in that: the power assembly (3) comprises

The cylinder group (31) is arranged at the rear side of the two side plates (11) and is positioned at the rear side of the shuttle (2), the cylinder group (31) is provided with piston rods which are consistent with the total number of the shuttle (2) and the transmission piece (45), the extending end of one piston rod corresponds to the upper end of the rear side of the transmission piece (45), the extending ends of the other piston rods respectively correspond to the upper ends of the rear sides of the limiting parts (21) on the shuttles (2) one by one, and the corresponding shuttle (2) or the transmission piece (45) is pushed to move by controlling the extending of the piston rods;

and the spring group (32), the spring group (32) have with shuttle (2) and transmission piece (45) total number unanimous extension spring (321), two still be provided with between curb plate (11) and be located the pull rod (322) of its rear side below, each extension spring (321) one end is connected on pull rod (322), the other end of one of them extension spring (321) with the rear side lower extreme of transmission piece (45) links to each other, the other end of other extension springs (321) is connected respectively in the rear side lower extreme of spacing part (21) of each shuttle (2), after the piston rod on cylinder group (31) retracts, be used for pulling back the reset with corresponding shuttle (2) or transmission piece (45).

6. Yarn feeding device as in claim 5, characterised in that: the yarn guide seat (1) is further provided with a threading baffle (5), and the threading baffle (5) is located obliquely above the yarn inlet part (23) of the shuttle (2).

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