CN220746223U - Yarn guiding device and computerized flat knitting machine - Google Patents

Abstract

The utility model provides a yarn guiding device and a computerized flat knitting machine, which comprises a bracket, a fixed plate, a rack and a gear mechanism, wherein the fixed plate is fixedly arranged on the bracket, the rack is vertically connected to the fixed plate in a sliding way, the gear mechanism is arranged on the bracket and is used for driving the rack to move, a first draw-wire hook and a second draw-wire hook for pulling down yarns are arranged at the upper end of the rack, the first draw-wire hook is higher than the second draw-wire hook in height, the first draw-wire hook is fixed with the rack, the second draw-wire hook is hinged on the rack through a hinge shaft, a driving part for enabling the second draw-wire hook to rotate around the hinge shaft is arranged on the fixed plate, when the rack moves downwards, the first draw-wire hook and the second draw-wire hook are arranged on the same side and pull down yarns, and when the rack moves upwards, the driving part drives the second draw-wire hook to rotate so as to be used for avoiding yarns. The device can simultaneously pull down two layers of yarns, reduces the volume of the device, and is beneficial to the optimization development of the computerized flat knitting machine.

Description

Yarn guiding device and computerized flat knitting machine

Technical Field

The utility model relates to the technical field of clothing textile, in particular to a yarn guiding device and a computerized flat knitting machine.

Background

In recent years, with the continuous development of the clothing textile industry, textile equipment is also continuously updated, a computerized flat knitting machine is one type of knitting machine, and a machine for knitting by adopting a transverse knitting needle bed is adopted, wherein a roller mechanism in the flat knitting machine is matched with knitting action to draw down knitted fabrics or yarns and the like, and in the process, the roller needs to keep constant traction force to slowly and uniformly draw down a traction object so as to ensure that the knitted fabrics are more complete and beautiful. The chinese patent with publication number CN216615032U discloses a yarn guiding device of computerized flat knitting machine and computerized flat knitting machine, and the yarn guiding device can only pull down the yarn at the first layer position to the second layer position when working, and when the fabric needs to pull down the yarn at the second layer position to the third layer position, two yarn guiding devices are needed, so that the whole volume of the yarn guiding device is increased, and the optimization development of the computerized flat knitting machine is not facilitated.

Disclosure of Invention

The utility model mainly aims to provide a yarn guiding device, which simultaneously pulls down two layers of yarns, reduces the volume of the device and is beneficial to the optimized development of a computerized flat knitting machine.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a yarn guiding device, includes bracket, fixed plate, rack and gear mechanism, fixed plate fixed mounting is on the bracket, vertical sliding connection is followed on the fixed plate to the rack, gear mechanism installs and is used for driving the rack and remove on the bracket, the upper end of rack is equipped with first wire drawing hook and the second wire drawing hook that is used for the drop-down yarn, the height of first wire drawing hook is higher than the height of second wire drawing hook, first wire drawing hook is fixed with the rack, the second wire drawing hook articulates on the rack through the hinge, be equipped with on the fixed plate and be used for making second wire drawing hook around hinge pivoted drive division, when the rack moves down, first wire drawing hook and second wire drawing hook are located homonymy setting and drop-down yarn, when the rack moves up, drive division drives the second wire drawing hook and rotates to be used for the second wire drawing hook to dodge the yarn.

The beneficial effects of the utility model are as follows: through set up first wire drawing hook and second wire drawing hook on the rack, make yarn guiding device can drop the yarn of two-layer different high positions simultaneously, avoid setting up two yarn guiding devices on the computerized flat knitting machine from this, reduce yarn guiding device's whole volume, do benefit to computerized flat knitting machine's optimization development, second wire drawing hook articulates on the rack simultaneously, when rack downwardly moving, first wire drawing hook and second wire drawing hook are located the homonymy setting and drop the yarn, and when the rack upwardly moving, drive division drives the rotation of second wire drawing hook, and the second wire drawing hook dodges the yarn that has been drop, improves yarn drop-down reliability.

Preferably, the fixing plate is provided with a chute arranged vertically, and the rack is connected in the chute in a sliding way. By adopting the structure, the sliding stability of the rack is improved.

Preferably, the fixed plate is connected with a cover plate, and the rack is slidably arranged between the cover plate and the fixed plate so as to prevent the rack from falling out of the chute. By adopting the structure, the sliding stability of the rack is further improved.

Preferably, the driving part comprises a connecting rod, a cam and a reversing structure, wherein the connecting rod is movably arranged on the rack, the upper end of the connecting rod is hinged to the second wire drawing hook, the lower end of the connecting rod is propped against the small end of the cam, the large end of the cam is hinged to the rack, when the cam rotates to enable the small end of the cam to face upwards, the cam pushes the second wire drawing hook to rotate forwards through the connecting rod, when the cam rotates to enable the small end of the cam to face downwards, the connecting rod downwards pulls the second wire drawing hook to rotate reversely, and the reversing structure is used for reversing the small end of the cam to face upwards or downwards. Through adopting above-mentioned structure, realize that the second draws the line hook forward or reverse rotation, structural connection is reliable, improves the operational stability of second and draws the line hook.

Preferably, the reversing structure comprises a channel arranged on the fixed plate, the channel is used for placing the cam and is arranged along the vertical extension, the channel is respectively a first channel, a second channel and a third channel from top to bottom, the widths of the first channel and the third channel are the same and are both larger than those of the second channel, an elastic piece is arranged on the rack, the elastic piece is always used for pushing the small end of the cam to be arranged upwards, when the rack enables the cam to be placed in the first channel or the third channel, the small end of the cam is arranged upwards, when the rack downwards drives the cam to be placed in the second channel, the small end of the cam is arranged upwards, and when the rack upwards drives the cam to be placed in the second channel, the small end of the cam is arranged downwards. Through adopting above-mentioned structure, realize that the tip of cam sets up or down, and the rack moves down, and the yarn can be pulled down to the second wire drawing hook, and the rack moves up, and the yarn is dodged to the second wire drawing hook.

Preferably, the elastic member is a spring. By adopting the structure, the reliability of the pressing contact of the small end of the cam is improved.

Preferably, a tension spring is arranged between the rack and the connecting rod, the upper end of the tension spring is connected with the connecting rod, the lower end of the tension spring is connected with the rack, and the tension spring is always used for pulling down the connecting rod. Through adopting above-mentioned structure, make the connecting rod drop-down second wire drawing hook reliable, avoid the second wire drawing hook to appear reverse rotation card and stop.

Preferably, the gear mechanism comprises a driving motor and a driving gear, the driving motor is arranged on the bracket, the driving gear is fixed on an output shaft of the driving motor, a plurality of convex teeth which are meshed with the driving gear are arranged on the rack, and the convex teeth are vertically distributed. Through adopting above-mentioned structure, stabilize drive rack and follow vertical slip, improve stability.

Preferably, the bracket is provided with an inductor, the rack is provided with a magnetic unit, the inductor is used for sensing the position of the magnetic unit, and the inductor is electrically connected with the driving motor. By adopting the structure, the accurate control of the position of the rack is realized.

The utility model also provides a computerized flat knitting machine, which comprises the yarn guiding device, so that the volume of the computerized flat knitting machine is reduced, and the optimization development of the computerized flat knitting machine is facilitated.

Drawings

FIG. 1 is a schematic view of a yarn guiding device according to the present utility model;

FIG. 2 is a schematic diagram of a yarn guiding device according to the present utility model;

FIG. 3 is a schematic view of a yarn guiding device according to the present utility model;

FIG. 4 is a schematic structural view of a fixing plate;

FIG. 5 is a schematic view showing a yarn guiding device according to the present utility model;

FIG. 6 is a second schematic view of the yarn guiding device according to the present utility model;

FIG. 7 is a third schematic view of the yarn guiding device according to the present utility model;

FIG. 8 is a schematic view showing a yarn guiding device according to the present utility model;

reference numerals illustrate:

1. a bracket; 2. a fixing plate; 21. a chute; 22. a channel; 221. a first pass; 222. a second pass; 223. a third pass; 3. a rack; 31. convex teeth; 4. a first wire hook; 5. a second wire hook; 6. a hinge shaft; 7. a driving section; 71. a connecting rod; 72. a cam; 8. an elastic member; 9. a drive gear; 10. an inductor; 20. a magnetic unit; 30. a cover plate; 40. and a tension spring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "front", "rear", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 4, the present embodiment provides a yarn guiding device, which comprises a bracket 1, a fixing plate 2, a rack 3 and a gear mechanism, wherein the fixing plate 2 is fixedly installed on the bracket 1, the rack 3 is vertically slidably connected on the fixing plate 2, the gear mechanism is installed on the bracket 1 and is used for driving the rack 3 to move, the upper end of the rack 3 is provided with a first yarn pulling hook 4 and a second yarn pulling hook 5 for pulling down yarns, the height of the first yarn pulling hook 4 is higher than that of the second yarn pulling hook 5, the first yarn pulling hook 4 is fixed with the rack 3, the second yarn pulling hook 5 is hinged on the rack 3 through a hinge shaft 6, a driving part 7 for enabling the second yarn pulling hook 5 to rotate around the hinge shaft 6 is arranged on the fixing plate 2, and when the rack 3 moves downwards, the first yarn pulling hook 4 and the second yarn pulling hook 5 are located on the same side and pull down, and when the rack 3 moves upwards, the driving part 7 drives the second yarn pulling hook 5 to rotate so as to avoid the second yarn pulling hook 5.

In this embodiment, the fixing plate 2 is provided with a chute 21 vertically disposed, and the rack 3 is slidably connected in the chute 21. The fixed plate 2 is connected with a cover plate 30, and the rack 3 is slidably arranged between the cover plate 30 and the fixed plate 2, so as to prevent the rack 3 from falling out of the chute 21, thereby improving the sliding stability of the rack 3.

In this embodiment, the driving portion 7 includes a connecting rod 71, a cam 72, and a reversing structure, where the connecting rod 71 is movably disposed on the rack 3, an upper end of the connecting rod 71 is hinged on the second wire hook 5, a lower end of the connecting rod 71 abuts against a small end of the cam 72, a large end of the cam 72 is hinged on the rack 3, when the cam 72 rotates to make its small end upward, the cam 72 pushes the second wire hook 5 to rotate forward through the connecting rod 71, and when the cam 72 rotates to make its small end downward, the connecting rod 71 pulls the second wire hook 5 to rotate reversely, and the reversing structure is used for reversing the arrangement of the small end of the cam 72 upward or downward, thereby realizing forward or reverse rotation of the second wire hook 5, and the structural connection is reliable, so as to improve the operation stability of the second wire hook 5. As shown in fig. 5 to 8, the second wire hook 5 is defined to be rotated counterclockwise as a forward direction, and the second wire hook 5 is defined to be rotated clockwise as a reverse direction.

In this embodiment, the reversing structure includes a channel 22 formed on the fixing plate 2, the channel 22 is located at the bottom of the chute 21, the channel 22 is provided for the cam 72 to be placed in and extend vertically, the channel 22 is formed by a first channel 221, a second channel 222 and a third channel 223 from top to bottom, the widths of the first channel 221 and the third channel 223 are the same and are larger than those of the second channel 222, an elastic member 8 is disposed on the rack 3, the elastic member 8 is always used for pushing the small end of the cam 72 to be disposed upwards, when the rack 3 makes the cam 72 placed in the first channel 221 or the third channel 223, the small end of the cam 72 is disposed upwards, when the rack 3 drives the cam 72 to be placed in the second channel 222 downwards, the small end of the cam 72 is disposed downwards, thereby realizing that the small end of the cam 72 is disposed upwards or downwards, the rack 3 moves downwards, the second draw hook 5 can draw the yarn downwards, and the rack 3 moves upwards and the second draw hook 5 is dodge the yarn.

In this embodiment, the elastic member 8 is a spring, thereby improving the reliability of the press contact against the small end of the cam 72. The tension spring 40 is arranged between the rack 3 and the connecting rod 71, the upper end of the tension spring 40 is connected with the connecting rod 71, the lower end of the tension spring 40 is always used for pulling down the connecting rod 71, so that the connecting rod 71 is enabled to pull down the second wire drawing hook 5 reliably, and reverse rotation clamping and stopping of the second wire drawing hook 5 are avoided.

In this embodiment, the gear mechanism includes driving motor and driving gear 9, driving motor installs on bracket 1, driving gear 9 is fixed on driving motor's output shaft, be equipped with a plurality of teeth 31 of meshing driving gear 9 on the rack 3, a plurality of teeth 31 are along vertical distribution, from this stable driving rack 3 is along vertical slip, improves stability.

In this embodiment, the sensor 10 is disposed on the bracket 1, the magnetic unit 20 is disposed on the rack 3, the sensor 10 is used for sensing the position of the magnetic unit 20, and the sensor 10 is electrically connected with the driving motor, thereby realizing accurate control on the position of the rack 3. The inductor 10 may be a hall element, and the magnetic unit 20 may be magnetic steel.

As shown in fig. 5 to 8, the device uses: in the initial position, the first wire drawing hook 4 is positioned at a first position of the yarn, the second wire drawing hook 5 is positioned at a second position of the yarn, when the gear mechanism operates to drive the rack 3 to move downwards, the first wire drawing hook 4 pulls down the yarn at the first position to the second position, the second wire drawing hook 5 rotates forwards to pull down the yarn at the second position to a third position, when the gear mechanism operates to drive the rack 3 to move upwards, the first wire drawing hook 4 resets upwards to move, the second wire drawing hook 5 resets upwards to move backwards and rotates reversely at the same time, and the yarn pulled down from the first position to the second position is avoided, so that the double-layer yarn is pulled down.

The embodiment also provides a computerized flat knitting machine, which comprises the yarn guiding device, so that the volume of the computerized flat knitting machine is reduced, and the optimization development of the computerized flat knitting machine is facilitated.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a yarn guiding device, its characterized in that, including bracket (1), fixed plate (2), rack (3) and gear, fixed plate (2) fixed mounting is on bracket (1), rack (3) are along vertical sliding connection on fixed plate (2), gear installs and is used for driving rack (3) removal on bracket (1), the upper end of rack (3) is equipped with first draw-wire hook (4) and second draw-wire hook (5) that are used for the drop-down yarn, the height of first draw-wire hook (4) is higher than the height of second draw-wire hook (5), first draw-wire hook (4) are fixed with rack (3), second draw-wire hook (5) are articulated on rack (3) through hinge (6), be equipped with on fixed plate (2) and be used for making second draw-wire hook (5) around hinge (6) pivoted drive portion (7), when rack (3) move down, first draw-wire hook (4) and second draw-wire hook (5) are located with second draw-wire hook (5) and drive portion when second draw-wire hook (5) are used for the setting up and draw-wire hook (5) and move upwards.

2. Yarn guiding device as in claim 1, characterised in that the fixed plate (2) is provided with a vertically arranged chute (21), the rack (3) being slidingly connected in the chute (21).

3. Yarn guiding device as in claim 2, characterised in that the fixed plate (2) is connected with a cover plate (30), the rack (3) being slidably arranged between the cover plate (30) and the fixed plate (2) for preventing the rack (3) from falling out of the chute (21).

4. A yarn guiding device as in claim 2, characterised in that the driving part (7) comprises a connecting rod (71), a cam (72) and a reversing structure, the connecting rod (71) is movably arranged on the rack (3), the upper end of the connecting rod (71) is hinged on the second wire drawing hook (5), the lower end of the connecting rod (71) is abutted against the small end of the cam (72), the large end of the cam (72) is hinged on the rack (3), when the cam (72) rotates to make the small end upward, the cam (72) pushes the second wire drawing hook (5) to rotate forward through the connecting rod (71), when the cam (72) rotates to make the small end downward, the connecting rod (71) pulls the second wire drawing hook (5) to rotate reversely, and the reversing structure is used for reversing the small end of the cam (72) to set upward or downward.

5. The yarn guiding device as in claim 4, characterized in that the reversing structure comprises a channel (22) formed on the fixing plate (2), the channel (22) is used for placing the cam (72) therein and is arranged to extend vertically, the channel (22) is respectively a first channel (221), a second channel (222) and a third channel (223) from top to bottom, the widths of the first channel (221) and the third channel (223) are the same and are larger than the width of the second channel (222), an elastic piece (8) is arranged on the rack (3), the elastic piece (8) is always used for pushing the small end of the cam (72) upwards, when the rack (3) enables the cam (72) to be placed in the first channel (221) or the third channel (223), the small end of the cam (72) is arranged upwards, when the rack (3) drives the cam (72) downwards to be placed in the second channel (222), the small end of the cam (72) is arranged upwards, and when the rack (3) drives the cam (72) upwards to be placed in the second channel (222).

6. Yarn guiding device as in claim 5, characterised in that the elastic member (8) is a spring.

7. Yarn guiding device as in claim 5, characterised in that a tension spring (40) is arranged between the rack (3) and the connecting rod (71), the upper end of the tension spring (40) is connected with the connecting rod (71), the lower end of the tension spring (40) is connected with the rack (3), and the tension spring (40) is always used for pulling down the connecting rod (71).

8. Yarn guiding device as in claim 1, characterised in that the gear mechanism comprises a drive motor and a driving gear (9), the drive motor is mounted on the carrier (1), the driving gear (9) is fixed on the output shaft of the drive motor, the rack (3) is provided with a plurality of teeth (31) engaging the driving gear (9), and the plurality of teeth (31) are distributed vertically.

9. Yarn guiding device as in claim 8, characterised in that the carrier (1) is provided with an inductor (10), the rack (3) is provided with a magnetic unit (20), the inductor (10) is used for sensing the position of the magnetic unit (20), and the inductor (10) is electrically connected with a drive motor.

10. A computerized flat knitting machine comprising a yarn guiding device according to any one of claims 1-9.