CN113174691B - Yarn feeding device - Google Patents
Yarn feeding device Download PDFInfo
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- CN113174691B CN113174691B CN202110577534.0A CN202110577534A CN113174691B CN 113174691 B CN113174691 B CN 113174691B CN 202110577534 A CN202110577534 A CN 202110577534A CN 113174691 B CN113174691 B CN 113174691B
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- 230000000903 blocking effect Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 51
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000010304 firing Methods 0.000 abstract description 4
- 239000004753 textile Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/54—Thread guides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention belongs to the technical field of textile equipment, and particularly relates to a yarn feeding device on a stocking machine, which comprises a yarn guide seat, a plurality of shuttles and a power assembly, wherein the shuttles are arranged on the yarn guide seat side by side, the power assembly is used for driving a single shuttle to rotate downwards or reset, or two or more shuttles simultaneously rotate downwards or reset, one end of the shuttle, which is provided with a wire inlet hole, is arranged upwards in an initial stage, and the power assembly is used for driving the shuttle to move in a state that one end of the shuttle, which is provided with the wire inlet hole, rotates downwards to the lowest point, and then continuously moves forwards for a certain distance or resets. The needle blocking problem is caused by the influence of the path track of the shuttle, and the yarn feeding device provided by the invention has the advantages that the power assembly drives the shuttle to rotate to the lowest point and then drives the shuttle to move forward for a certain distance, the possibility of a firing pin is greatly reduced through the forward distance, and the service lives of the needle hooking and the shuttle are effectively prolonged.
Description
Technical Field
The invention belongs to the technical field of textile equipment, and particularly relates to a yarn feeding device on a hosiery machine.
Background
The hosiery machine is a knitting apparatus that knits a formed sock piece with hooks, and carries a yarn to a crochet needle through a shuttle for knitting.
The working modes of some yarn feeding devices at present adopt the cylinder to drive the hinged shuttle to rotate, so that one end of the shuttle with a wire inlet hole extends outwards, and is convenient to be matched with the hook needle, the matching between the two is that the shuttle is embedded into a needle hole of the hook needle in a rotating mode, however, the phenomenon of blocking the needle is easy to occur because the extending distance of the shuttle after rotation is too small, the hook needle and the shuttle are easy to wear after a long time, and the service life is greatly reduced. For example, chinese patent publication CN101994207B, for which improvement of yarn feeding shuttles is necessary.
Disclosure of Invention
The invention aims to solve the technical problems and provides a yarn feeding device with a needle which is not easy to block.
The purpose of the invention is realized in the following way: the utility model provides a yarn feeding device, includes the yarn carrier and sets up shuttle and power module on the yarn carrier, the shuttle has a plurality ofly and sets up side by side, power module is used for driving single shuttle and rotates downwards or reset, or two and more shuttles rotate downwards or reset its characterized in that simultaneously: and in the initial stage of the shuttle, one end with a wire inlet hole is arranged obliquely upwards, and the power assembly drives the shuttle to move in a state that the one end with the wire inlet hole of the shuttle rotates downwards to the lowest point and then continuously moves forwards for a certain distance or resets.
By adopting the technical scheme, the needle blocking problem is caused by the influence of the path track of the shuttle, and the yarn feeding device provided by the invention is characterized in that the power assembly drives the shuttle to rotate to the lowest point and then drives the shuttle to move forward for a certain distance, and the forward distance is matched with the needle in a horizontal inserting mode, so that the possibility of firing pins is greatly reduced, and the service lives of the needle and the shuttle are effectively prolonged.
The invention is further provided with: the yarn guide seat comprises two side plates which are distributed left and right, a plurality of shuttles are arranged between the two side plates, each shuttle is W-shaped and is divided into a limit part at one end, a connecting part in the middle and a wire inlet part at the other end, a limit slot hole penetrating through two side ends of the limit part is arranged below the side surface of the limit part, a first limit guide post, a second limit guide post and a third limit guide post are connected between the two side plates, the first limit guide post penetrates through the limit slot hole on each shuttle, the outer wall of the second limit guide post is arranged at the upper connecting part of the limit part and the connecting part on each shuttle in a propping or abutting mode, the outer wall of the third limit guide post is arranged at the rear side surface of the limit part on each shuttle in a propping or abutting mode, a certain distance is reserved between the limit slot hole and the first limit guide post, and the distance between the second limit guide post and the third limit guide post is larger than the distance between the first limit guide post and the bottom of the yarn guide seat; the limiting part is pushed to one end of the incoming line part of the shuttle, and after the shuttle rotates by a certain angle by taking the first limiting guide post as a rotating point, the shuttle moves forward for a certain distance under the guidance of the spacing between the limiting slotted hole and the first limiting guide post.
By adopting the technical scheme, the traditional shuttle is hinged on the yarn guide seat, so that the travelling path of the shuttle can be changed, the shuttle is arranged to be W-shaped, and the shuttle is limited by the first limiting guide post, the second limiting guide post and the third limiting guide post, wherein a certain distance is reserved between the first limiting guide post and the limiting groove hole after the first limiting guide post is embedded into the limiting groove hole on the shuttle, so that the travelling path of the shuttle is possible to rotate and move forwards, the shuttle rotates by taking the first limiting guide post as a rotating shaft under the action of the power assembly, 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, and after the shuttle rotates to the lowest point, the first limiting guide post moves in the limiting groove hole and stops moving to the other end of the limiting groove hole; when the reset is needed, the power assembly can reversely move.
The invention is further provided with: a first concave cambered surface is arranged at the upper connection part of the limiting part and the connecting part, a second concave cambered surface is arranged at the position where the second limiting guide post is abutted or 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 cambered surface and the second concave cambered surface of the limiting part; when the shuttle rotates, the second limit guide post slides on the arc-shaped guide surface after being separated from the first concave arc surface; when the shuttle moves forward, the second limit guide post slides from the end part of the arc-shaped guide surface to the second concave arc surface.
Through adopting above-mentioned technical scheme, for can making the smooth slip of second spacing guide pillar on the spacing part of shuttle, for this reason be provided with first concave cambered surface, second concave cambered surface and arc guide surface, at initial stage, the adaptation of second spacing guide pillar is on first concave cambered surface, and when the motion, second spacing guide pillar slides on the arc guide surface earlier, then slides to on the second concave cambered surface to reduce the frictional force between second spacing guide pillar and the shuttle, improved the life of shuttle.
The invention is further provided with: the yarn feeding device further comprises a yarn blocking assembly, and the yarn blocking assembly is used for improving the height of yarns passing through the front yarn feeding holes;
The yarn blocking assembly comprises a limiting seat body, a limiting stop lever, a torsion spring, a transmission block and a transmission sheet, wherein the limiting seat body is arranged on the front side of the yarn guiding seat, the limiting stop lever 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 is used for tensioning yarns passing through a front yarn inlet hole, and the connecting rod part passes through the limiting seat body and is rotatably connected with the limiting seat body;
When one or more shuttles rotate downwards, after contacting the limiting rod part, the connecting rod part is used 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, and after the end part of the shuttles slides on the limiting rod part and is separated from the limiting rod part, the torsion spring is used for driving the connecting rod part to reset; the transmission block is arranged at the extending end of the connecting rod part, the transmission piece is hinged to the yarn guide seat, one end of the transmission piece is abutted against the upper end face of the transmission block, and the transmission piece 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, so that the limiting rod part rotates downwards, and the shuttle which rotates downwards and moves forwards is not blocked by the limiting rod part when reset.
By adopting the technical scheme, in order to avoid the interference of two bundles of yarns entering the front wire inlet hole and the rear wire inlet hole, the invention is provided with the wire blocking assembly for improving the height of the yarns passing through the front wire inlet hole;
Because the shuttle pushes the limit rod to rotate downwards, larger external sound can be generated, and the friction between the shuttle and the limit rod is serious, the power component is adopted to control the operation of the wire blocking component, the working mode is that,
The driving piece is driven to rotate by the power assembly, the driving block drives the connecting rod part and the limiting rod part to rotate downwards, then the power assembly drives one or more shuttles to rotate and move forwards, then the connecting rod part and the limiting rod part are controlled by the power assembly to reset, and yarns entering the front wire hole can be pulled outwards to be high in the resetting process of the limiting rod part, so that interference is avoided.
The invention is further provided with: 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 shuttles and the transmission pieces, 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 side 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;
The spring group is provided with tension springs which are consistent with the total number of the shuttles and the transmission pieces, a pull rod which is positioned below the rear sides of the two side plates is further 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 the piston rod on the cylinder group is retracted, the tension springs are used for returning the corresponding shuttles or transmission pieces.
By adopting the technical scheme, in order to control each shuttle and each transmission piece, the invention adopts a pneumatic mode to drive and resets by the tension of the tension spring; the shuttle is driven to overturn by the cylinder group, and after the shuttle reaches the horizontal position, the shuttle is moved forward, so that the incoming line part of the shuttle is embedded into the needle hole of the hooking needle, and when the shuttle is reset, the cylinder group is retracted, and meanwhile, the tension spring pulls the shuttle, so that the incoming line part of the shuttle is separated from the needle hole of the hooking needle, and then the shuttle is overturned, so that the shuttle is very convenient and practical.
The invention is further provided with: the yarn guide seat is also provided with a threading baffle plate, and the threading baffle plate is positioned above the inlet wire part of the shuttle.
Through adopting above-mentioned technical scheme, through setting up the threading baffle to retrain each bundle of yarn, avoid taking place to interfere.
The beneficial effects of the invention are as follows:
1. The needle blocking problem is caused by the influence of the path track of the shuttle, and the invention provides the yarn feeding device which drives the shuttle to rotate to the lowest point through the power assembly and then drives the shuttle to move forward for a certain distance, and the forward distance is matched with the crochet needle in a horizontal inserting mode, so that the possibility of firing pins is greatly reduced, and the service lives of the crochet needle and the shuttle are effectively prolonged.
2. In order to avoid the interference of two yarns entering the front wire inlet and the rear wire inlet, the invention is provided with a wire blocking assembly for improving the height of the yarns passing through the front wire inlet.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of a 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 numerals in the drawings are:
1. A yarn guide seat; 11. a side plate; 12. the first limit guide post; 13. the second limit guide post; 14. a third limit guide post; 15. a fourth limit guide post; 16. a limit component; 161. a first limiting shaft; 162. the second limiting shaft; 163. a limiting block; 164. a limit bolt; 17. a cover plate; 2. a shuttle; 21. a limit part; 22. a connection portion; 23. a wire inlet part; 24. limiting slot holes; 25. a first concave cambered surface; 26. a second concave cambered surface; 27. an arc-shaped guide surface; 28. a front wire inlet 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 limit seat body; 42. a limit stop lever; 421. a limit rod part; 422. a connecting rod portion; 43. a torsion spring; 44. a transmission block; 45. a transmission plate; 5. and (5) threading the baffle.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following description of the technical solutions of the embodiments of the present invention is made clearly and completely with reference to the accompanying drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. 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 exemplary embodiments according to the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The yarn feeding device comprises a yarn guide seat 1, a plurality of shuttles 2 and a power assembly 3, wherein the shuttles 2 and the power assembly 3 are arranged on the yarn guide seat 1, 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, which is provided with a wire inlet, is arranged upwards in an initial stage, the power assembly 3 drives the shuttle 2 to move, and after one end of each shuttle 2, which is provided with the wire inlet, rotates downwards to the lowest point, the shuttle continues to move forwards for a certain distance, or resets.
The needle blocking problem is caused by the influence of the path track of the shuttle 2, therefore, the invention provides a yarn feeding device, the power assembly 3 drives the shuttle 2 to rotate to the lowest point and then drives the shuttle to move forward for a certain distance, and the forward distance is matched with the needle hook in a horizontal inserting mode, so that the possibility of firing pins is greatly reduced, and the service lives of the needle hook and the shuttle 2 are effectively prolonged.
As shown in fig. 1,2 and 3, the yarn guide seat 1 of the present invention includes two side plates 11 distributed left and right, a plurality of shuttles 2 are all disposed between the two side plates 11, the shuttles 2 are W-shaped, and are divided into a limit portion 21 at one end, a connecting portion 22 in the middle, and a wire inlet portion 23 at the other end, a limit slot 24 penetrating through both side ends of the limit portion 21 is disposed below a side surface of the limit portion 21, a first limit guide post 12, a second limit guide post 13, and a third limit guide post 14 are connected between the two side plates 11, the first limit guide post 12 is disposed through the limit slot 24 on each shuttle 2, an outer wall of the second limit guide post 13 is disposed in contact with or is disposed in contact with an upper joint of the limit portion 21 and the connecting portion 22 on each shuttle 2, an outer wall of the third limit guide post 14 is disposed in contact with or in contact with a rear side surface of the limit portion 21 on each shuttle 2, a certain distance is provided between the limit slot 24 and the first limit guide post 12, and distances between the second limit guide post 13 and the third limit guide post 14 and the bottom of the yarn guide seat 1 are greater than those of the first limit guide post 12; 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 by 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 guidance of the spacing between the limiting slotted hole 24 and the first limiting guide post 12.
The conventional shuttle 2 is hinged on the yarn guide seat 1, so as to change the path of travel of the shuttle 2, the shuttle 2 is arranged to be W-shaped, and the shuttle 2 is limited by the first limiting guide post 12, the second limiting guide post 13 and the third limiting guide post 14, wherein a certain distance is reserved between the first limiting guide post 12 and the limiting slot 24 after the first limiting guide post 12 is embedded into the limiting slot 24 on the shuttle 2, so that the path of travel of the shuttle 2 is possible to rotate and move forward, the shuttle 2 firstly rotates by taking the first limiting guide post 12 as a rotating shaft under the action of the power component 3, in the process, the second limiting guide post 13 rolls on the surface of the limiting part 21 of the shuttle 2, the third limiting guide post 14 is separated from the limiting part 21, after the first limiting guide post 12 moves to the lowest point, the first limiting guide post 12 moves in the limiting slot 24, and the other end of the first limiting guide post 12 moves to the limiting slot 24 is stopped; when the reset is needed, the power assembly 3 can reversely move.
The upper connection part of the limiting part 21 and the connecting part 22 is provided with a first concave cambered surface 25, when the shuttle 2 moves forward to the extreme end, the position of the second limiting guide post 13 which is abutted or abutted against the limiting part 21 is provided with a second concave cambered surface 26, and an arc-shaped guide surface 27 which protrudes outwards is also arranged between the first concave cambered surface 25 and the second concave cambered surface 26 of the limiting 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 advances, the second limit guide post 13 slides from the end of the arcuate guide surface 27 to the second concave arcuate surface 26.
As shown in fig. 2 and 3, in order to enable the second limit guide post 13 to slide smoothly on the limit portion 21 of the shuttle 2, a first concave arc surface 25, a second concave arc surface 26 and an arc guide surface 27 are provided for this purpose, during the initial stage, the second limit guide post 13 is adapted to the first concave arc surface 25, during movement, the second limit guide post 13 slides on the arc guide surface 27 first and then slides to 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 further comprises a yarn blocking assembly 4 for increasing the height of the yarn passing through the front yarn feeding hole 28, wherein the front yarn feeding hole 28 and the rear yarn feeding hole 29 are formed in the yarn feeding portion 23 of the shuttle 2;
The thread blocking 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 on the front side of the thread guiding seat 1, the limiting stop lever 42 is of an L-shaped structure and is divided into a limiting rod portion 421 and a connecting rod portion 422, the limiting rod portion 421 is transversely arranged below the thread inlet portion 23 of the shuttle 2 and is used for tensioning yarns passing through the front thread inlet hole 28, and the connecting rod portion 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, after contacting the limiting rod 421, the connecting rod 422 is used as a rotating shaft to push the limiting rod 421 to rotate downwards, the torsion spring 43 is arranged on the extending end of the connecting rod 422, and after the end part of the shuttles 2 slides on the limiting rod 421 and is separated from the limiting rod 421, the torsion spring 43 is used for driving the connecting rod 422 to reset; the transmission block 44 is arranged at 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 transmission piece 45 rotates downwards, the transmission 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 being reset.
To avoid interference of the two bundles of yarns entering the front feed hole 28 and the rear feed hole 29, the invention is provided with a yarn blocking assembly 4 for increasing the height of the yarns passing through the front feed hole 28;
because the shuttle 2 pushes the limit rod 421 to rotate downwards, larger external sound can occur, and the friction between the shuttle and the limit rod is serious, the power assembly 3 is adopted to control the operation of the wire blocking assembly 4, the working mode is that,
The driving piece 45 is driven to rotate by the power assembly 3, so that the driving block 44 drives the connecting rod portion 422 and the limiting rod portion 421 to rotate downwards, then the power assembly 3 drives one or more shuttles 2 to rotate and move forwards, then the connecting rod portion 422 and the limiting rod portion 421 are controlled by the power assembly 3 to reset, and yarns entering the front wire hole 28 can be pulled outwards to be high in the resetting process of the limiting rod portion 421, 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 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, wherein 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 side of the limiting part 21 on each shuttle 2 one by one, and the extending of each piston rod is controlled to push the corresponding shuttle 2 or the transmission piece 45 to move;
And the spring group 32 is provided with tension springs 321 which are consistent with the total number of the shuttles 2 and the transmission pieces 45, a pull rod 322 positioned below the rear side of each tension spring 321 is 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 rear lower end of the transmission piece 45, the other ends of the other tension springs 321 are respectively connected with the rear lower end of the limiting part 21 of each shuttle 2, and after the piston rod on the cylinder group 31 is retracted, the corresponding shuttle 2 or the transmission piece 45 is pulled back and reset.
In order to control each shuttle 2 and the transmission piece 45, the invention adopts a pneumatic mode to drive and resets by the tension of the tension spring 321; the shuttle 2 is driven to overturn by the cylinder group 31, and after the shuttle 2 reaches the horizontal position, the shuttle 2 is moved forward, so that the incoming line part 23 of the shuttle 2 is embedded into the needle hole of the needle, and when the shuttle is reset, the cylinder group 31 is retracted, and meanwhile, the tension spring 321 pulls the shuttle 2, so that the incoming line part 23 of the shuttle is separated from the needle hole of the needle, and then the shuttle is overturned, so that the shuttle is very convenient and practical.
Since the reset of the shuttle 2 is controlled by the tension of the tension spring 321, the shuttle 2 is limited and unstable only by the second limiting guide post 13 and the third limiting guide post 14, and for this reason, as shown in fig. 2, 4 and6, a fourth limiting guide post 15 is further disposed between the two side plates 11, the fourth limiting guide post 15 is located above the shuttle 2, and after the reset of the shuttle 2, the connecting portion 22 on the shuttle 2 abuts against the fourth limiting guide post 15.
Regarding the position where the shuttle 2 rotates downward to the lowest point, in fact, the incoming line portion 23 rotates from the upward inclined state to the horizontal state, for realizing precise control, a limiting assembly 16 is provided for this purpose, and 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 limit assembly 16 can also control the transmission piece 45, therefore, the limit blocks 163 can be six, the first limit shaft 161 and the second limit shaft 162 are arranged on the two side plates 11 and are both positioned above the shuttles 2, one end of the limit block 163 is provided with a through hole, the through hole is rotationally connected with the first limit shaft 161, the second limit shaft 162 is positioned below the limit block 163, the lower end face of the limit block 163 is an inclined face, after the lower end face of the limit block 163 is stable under the action of gravity, the second limit shaft 162 supports the bottom of the limit block 163, one limit block 163 is opposite to the transmission piece 45, the rest of the limit block 163 is opposite to the limit parts 21 on each shuttle 2, cover plates 17 are arranged at the upper ends of the two side plates 11, six limit bolts 164 are arranged on the cover plates 17 in a threaded connection mode, the lower ends of the limit bolts 164 respectively face the upper end faces of each limit block 163 after passing through the cover plates 17, and the upper end faces of the limit block 163 are tightly abutted against the bottom of the limit bolts 164 after the limit block 163 rotates a certain angle along the direction far away from the second limit shaft 162, so as to limit the limit block 163 continues rotating; during the process of rotating and advancing 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, the shuttle 2 is indicated to rotate to the lowest point.
Preferably, as shown in fig. 1, a threading baffle plate 5 is further arranged on the yarn guiding seat 1, and the threading baffle plate 5 is positioned obliquely above the yarn inlet part 23 of the shuttle 2. Through setting up threading baffle 5 to be convenient for retrain each bundle 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, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a yarn feeding device, includes yarn carrier (1) and sets up shuttle (2) and power pack (3) on yarn carrier (1), shuttle (2) have a plurality ofly and set up side by side, power pack (3) are used for driving single shuttle (2) to rotate downwards or reset, or two and more shuttles (2) simultaneously rotate downwards or reset, its characterized in that: the shuttle (2) is arranged in an initial stage, one end with a wire inlet hole is inclined upwards, and the power assembly (3) drives the shuttle (2) to move in a state that the end with the wire inlet hole of the shuttle (2) rotates downwards to the lowest point and then continuously moves forwards for a certain distance or resets;
The yarn guide seat (1) comprises two side plates (11) which are distributed left and right, a plurality of shuttles (2) are arranged between the two side plates (11), each shuttle is divided into a limit part (21) at one end, a connecting part (22) in the middle and a wire inlet part (23) at the other end, limit slots (24) penetrating through two side ends of each limit part (21) are arranged below the side surfaces of each limit part (21), a first limit guide post (12), a second limit guide post (13) and a third limit guide post (14) are connected between the two side plates (11), the first limit guide post (12) passes through the limit slots (24) on each shuttle (2), the outer wall of the second limit guide post (13) is in contact with or is in contact with the upper connecting part of the limit part (21) on each shuttle (2), the outer wall of the third limit guide post (14) is in contact with or is in contact with the rear side surfaces of the limit part (21) on each shuttle (2), and the limit guide post (12) is a certain distance from the first guide post seat (1) to the first guide post (12); pushing a limiting part (21) to one end of a wire inlet part (23) of the shuttle (2), and enabling the shuttle (2) to move forwards for a certain distance under the guidance of the distance between a limiting slot hole (24) and the first limiting guide post (12) after the shuttle (2) rotates for a certain angle by taking the first limiting guide post (12) as a rotating point;
the yarn feeding device comprises a shuttle (2), wherein a yarn feeding part (23) of the shuttle is provided with a front yarn feeding hole (28) and a rear yarn feeding hole (29), and the yarn feeding device further comprises a yarn blocking assembly (4) for increasing the height of yarns passing through the front yarn feeding hole (28);
The yarn blocking assembly (4) comprises a limiting seat body (41), a limiting stop lever (42), a torsion spring (43), a transmission block (44) and a transmission sheet (45), wherein the limiting seat body (41) is arranged on the front side of the yarn guiding seat (1), the limiting stop lever (42) is of an L-shaped structure and is divided into a limiting rod portion (421) and a connecting rod portion (422), the limiting rod portion (421) is transversely arranged below a yarn inlet portion (23) of the shuttle (2) and is used for tensioning yarns passing through a front yarn inlet hole (28), and the connecting rod portion (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 after contacting with the limiting rod part (421), the connecting rod part (422) is taken 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), and after the end part of the shuttles (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 at 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 component (3) to rotate downwards or reset;
When the transmission plate (45) rotates downwards, the transmission 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 reset.
2. A yarn feeding device as in claim 1, wherein: a first concave cambered surface (25) is arranged at the upper connection part of the limiting part (21) and the connecting part (22), a second concave cambered surface (26) is arranged at the position where the second limiting guide post (13) is abutted or tightly abutted against the limiting part (21) when the shuttle (2) moves forward to the extreme end, and an arc-shaped guide surface (27) protruding outwards is further arranged between the first concave cambered surface (25) and the second concave cambered surface (26) of the limiting 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 limit guide post (13) slides from the end part of the arc-shaped guide surface (27) to the second concave arc surface (26).
3. A yarn feeding device as in claim 1, wherein: the power assembly (3) comprises
The cylinder groups (31) are arranged at the rear sides of the two side plates (11) and are positioned at the rear sides of the shuttles (2), the cylinder groups (31) are provided with piston rods which are consistent with the total number of the shuttles (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 extending of the piston rods is controlled to push the corresponding shuttles (2) or the transmission piece (45) to move;
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 each side plate (11) 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 rear side end of the transmission piece (45), the other ends of the other tension springs (321) are respectively connected to the lower rear side end of the limiting part (21) of each shuttle (2), and after a piston rod on the cylinder group (31) is retracted, the corresponding shuttles (2) or transmission piece (45) are pulled back and reset.
4. A yarn feeding device as in claim 3, wherein: the yarn guide seat (1) is also provided with a threading baffle plate (5), and the threading baffle plate (5) is positioned above the yarn inlet part (23) of the shuttle (2).
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| GB2059449B (en) * | 1979-10-01 | 1983-06-08 | Bentley Eng Co Ltd | Control mechanism for circular knitting machine |
| CN201883255U (en) * | 2010-12-07 | 2011-06-29 | 宁波裕人数控科技有限公司 | Yarn feeding device of computer silk stockings machine |
| CN101985790A (en) * | 2010-12-07 | 2011-03-16 | 宁波裕人数控科技有限公司 | Yarn feeding device of computerized high-speed silk stocking machine |
| CN103668755B (en) * | 2013-12-26 | 2015-05-13 | 宁波裕人数控科技有限公司 | Yarn carrier moving device for circular knitting machine |
| CN207537654U (en) * | 2017-11-02 | 2018-06-26 | 浙江伟盈智能科技股份有限公司 | A kind of hosiery machine gives yarn mechanism |
| CN111118722B (en) * | 2018-10-31 | 2021-03-05 | 泉州福舜机械有限公司 | Three-dimensional vamp machine |
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