CN219315211U

CN219315211U - Wire feeding device for crochet machine

Info

Publication number: CN219315211U
Application number: CN202320119625.4U
Authority: CN
Inventors: 王伟强
Original assignee: Jinjiang Hongbang Ribbon Co ltd
Current assignee: Jinjiang Hongbang Ribbon Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-07-07
Anticipated expiration: 2033-02-06

Abstract

The utility model discloses a thread feeding device for a crochet machine, which relates to the technical field of textile equipment and comprises a thread rack, wherein the thread rack consists of a weft thread rack and a warp thread rack, weft thread wheels and warp thread wheels are respectively arranged on the weft thread rack and the warp thread rack, and the thread feeding device further comprises a driving device, wherein the driving device is used for driving the weft thread wheels to rotate. According to the utility model, the driving device for driving the weft wheel to rotate is arranged on the thread stand, so that active thread feeding of yarns is realized, the conditions of unstable yarn tension, broken needle or crochet needle running in the crochet process are reduced, and the crochet process efficiency is improved.

Description

Wire feeding device for crochet machine

Technical Field

The utility model relates to the technical field of textile equipment, in particular to a thread feeding device for a crochet machine.

Background

The crochet machine is a modified narrow-width raschel warp knitting machine, is commonly used for knitting narrow-width warp knitting needle fabrics such as a lace belt, a fringe belt and an elastic belt, the weft feeding mode of the existing crochet machine is mainly passive weft feeding, yarns on a thread rack directly enter the crochet machine after passing through a yarn comb and a broken thread detector, and in the process, the only power is the pulling force provided by a crochet needle of the crochet machine, so that the conditions of unstable yarn tension, broken needle and crochet needle position running inevitably occur in the operation process of the crochet machine.

The unstable tension can lead to unstable weft density of the finished product and influence the quality of the product, and the broken needle or crochet hook running condition can lead to shutdown maintenance, thereby reducing the production efficiency. Therefore, how to actively thread yarns to match with a crochet machine for crochet processing is a problem to be solved.

Disclosure of Invention

The utility model provides a thread feeding device for a crochet machine, and aims to solve the problems that the existing crochet machine can only rely on the tension of a crochet needle in the operation process, and the yarn tension is unstable, the crochet needle breaks or the crochet needle runs easily.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a send traditional thread binding putting for crochet machine, includes the line frame, and this line frame comprises weft frame and warp frame, is equipped with weft wheel and warp wheel on above-mentioned weft frame and the above-mentioned warp frame respectively, still includes drive arrangement, and above-mentioned drive arrangement is used for driving above-mentioned weft wheel and rotates.

Further, the driving device comprises a speed reducer fixedly arranged on the wire frame, a motor connected with the speed reducer and a first synchronous wheel; the weft frame is provided with a first rotating shaft, the weft wheel is arranged on the first rotating shaft, one end of the first rotating shaft extends out of the weft frame and is provided with a second synchronizing wheel, and the first synchronizing wheel and the second synchronizing wheel form belt transmission fit.

Further, the weft frame is also provided with a wire guide mechanism for guiding the yarn to the crochet machine for crochet processing.

Further, the wire guide mechanism comprises two opposite vertical plates fixedly arranged on the weft frame, and a first wire guide roller, a second wire guide roller, a third wire guide roller and a fourth wire guide roller are arranged between the vertical plates in a staggered mode.

Further, tension sensors for detecting the tension of the yarn are further arranged at two ends of the third wire guide roller.

Further, a rotary encoder for detecting the rotation speed of the third wire guide roller is further arranged on the vertical plate.

Further, the motor control device further comprises a PLC controller, wherein the tension sensor, the rotary encoder and the motor are connected with the PLC controller, and the PLC controller can control the rotating speed of the motor according to signals transmitted by the tension sensor and the rotary encoder.

From the above description of the structure of the present utility model, the present utility model has the following advantages:

firstly, the driving device for driving the weft wheel to rotate is arranged on the thread rack, so that active thread feeding of yarns is realized, the conditions of unstable yarn tension, broken needle or crochet needle running in the crochet process are reduced, and the crochet process efficiency is improved.

Secondly, the wire guide mechanism is provided with the tension sensor for detecting yarn tension, and the tension sensor is connected with the PLC, so that when the tension sensor detects that the yarn on the third wire guide roller is too loose or too tight, a signal can be transmitted to the PLC, and then the PLC can adjust the rotating speed of the motor according to the received signal, and the crochet machine is smoother in the crochet process.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a left side view of the present utility model.

Fig. 4 is a top view of the present utility model.

Fig. 5 is a rear view of the present utility model.

Fig. 6 is a schematic view of the structure of the weft thread penetrating the thread guiding mechanism.

Fig. 7 is a schematic view of the structure of the present utility model after a plurality of weft wheels are installed.

Reference numerals:

10-a wire frame; 101-weft frames; 11-a weft wheel; 111-a second synchronizing wheel; 1011-a first rotation axis; 102-a warp frame; 1021-a second rotation axis; 12-warp yarn wheel;

20-speed reducer; 201-a first synchronizing wheel; 21-an electric motor;

30-a synchronous belt;

40-a wire guide mechanism; 41-vertical plates; 42-a first wire guide roller; 43-a second wire guide roller;

44-a third wire guide roller; 441-a tension sensor; 442-a rotary encoder; 45-fourth wire roller.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

Referring to fig. 1 to 3, a thread feeding apparatus for a crochet machine includes a thread bobbin 10, the thread bobbin 10 being composed of a weft bobbin 101 and a warp bobbin 102, wherein the weft bobbin 101 is positioned at the top of the thread bobbin 10, the warp bobbin 102 is positioned at the bottom of the thread bobbin 10, and a plurality of first rotating shafts 1011 and a plurality of second rotating shafts 1021 are respectively provided on the weft bobbin 101 and the warp bobbin 102, and a weft wheel 11 and a warp wheel 12 are respectively mounted on the plurality of first rotating shafts 1011 and the plurality of second rotating shafts 1021, the weft wheel 11 and the warp wheel 12 being used for winding a yarn; the above-mentioned thread stand 10 is also equipped with at least one drive arrangement, and this drive arrangement is used for driving the weft wheel 11 and rotates, and like this when crochet machine begins crochet processing, drive arrangement synchronous drive weft wheel 11 rotates to realize the initiative of weft wheel 11 and send the line, prevent that the unstable, broken needle of yarn tension or crochet needle from running the condition of position, improved crochet processing's efficiency.

Referring to fig. 2 to 7, the driving device includes a decelerator 20 fixedly provided on the wire frame 10, a motor 21 connected to the decelerator 20, and a first synchronizing wheel 201, and when the motor 21 is turned on, the first synchronizing wheel 201 rotates accordingly; one end of the first rotating shaft 1011 extends out of the weft frame 101 and is provided with a second synchronizing wheel 111, and belt transmission is realized between the first synchronizing wheel 201 and the second synchronizing wheel 111 by installing a synchronizing belt 30.

Referring to fig. 2 to 7, the weft frame 101 is further provided with a guiding mechanism 40 for guiding the yarn to the crocheting machine for crocheting, the guiding mechanism 40 includes two opposite vertical plates 41 fixedly disposed on the weft frame 101, a first wire roller 42, a second wire roller 43, a third wire roller 44 and a fourth wire roller 45 are alternately disposed between the two vertical plates 41, wherein both ends of the third wire roller 44 are further provided with a tension sensor 441 for detecting the tension of the yarn, the vertical plates 41 are further provided with a rotary encoder 442 for detecting the rotation speed of the third wire roller 44, and the feeding device further includes a PLC controller (not shown here and not described in any more detail because the PLC controller is a conventional means), the PLC controller is connected with the tension sensor 441, the rotary encoder 442 and the motor 21, and the PLC controller can adjust the rotation speed of the motor 21 according to the signals transmitted by the tension sensor 441 and the rotary encoder 442.

Referring to fig. 1 to 7, before the crocheting process is started, the yarn on the weft frame 101 is sequentially wound on the first wire roller 42, the second wire roller 43, the third wire roller 44 and the fourth wire roller 45, and then the yarn wound out of the fourth wire roller 45 is introduced into a crocheting machine (not shown in the drawings), and then the crocheting machine and the motor 21 are turned on, so that the active feeding of the yarn on the frame 10 can be realized. If the tension sensor 441 detects that the yarn on the third wire guide roller 44 is loose, the tension sensor 441 transmits a signal to the PLC controller, and then the PLC controller controls the motor 21 to slow down; when the tension sensor 441 detects that the yarn on the third guide roller 44 is tight, the tension sensor 441 transmits a signal to the PLC controller, and then the PLC controller controls the motor 21 to accelerate (it is to be noted here that the tension sensor 441 and the rotary encoder 442 are provided and further optimized based on the present solution, the tension sensor 441 and the rotary encoder 442 are not essential features for realizing the present solution, and the absence of the tension sensor 441 and the rotary encoder 442 can also realize the technical objects to be achieved by the present solution).

The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.

Claims

1. The utility model provides a send traditional thread binding putting for crochet machine, includes the line frame, and this line frame comprises weft frame and warp frame, weft frame with be equipped with weft wheel and warp wheel on the warp frame respectively, its characterized in that: the weft yarn winding machine further comprises a driving device, wherein the driving device is used for driving the weft yarn wheel to rotate.

2. The thread feeding apparatus for a crochet machine according to claim 1, wherein: the driving device comprises a speed reducer fixedly arranged on the wire frame, a motor connected with the speed reducer and a first synchronous wheel; the weft frame is provided with a first rotating shaft, the weft wheel is arranged on the first rotating shaft, one end of the first rotating shaft extends out of the weft frame and is provided with a second synchronizing wheel, and the first synchronizing wheel and the second synchronizing wheel form belt transmission fit.

3. The thread feeding apparatus for a crochet machine according to claim 2, wherein: the weft frame is also provided with a wire guide mechanism for guiding yarns to the crochet machine for crochet processing.

4. A thread feeding apparatus for a crochet machine according to claim 3, wherein: the wire guide mechanism comprises two vertical plates which are fixedly arranged on the weft frame and are oppositely arranged, and a first wire guide roller, a second wire guide roller, a third wire guide roller and a fourth wire guide roller are arranged between the vertical plates in a staggered mode.

5. The thread feeding apparatus for a crochet machine according to claim 4, wherein: and tension sensors for detecting the tension of the yarns are further arranged at two ends of the third wire guide roller.

6. The thread feeding apparatus for a crochet machine according to claim 5, wherein: and the vertical plate is also provided with a rotary encoder for detecting the rotation speed of the third wire guide roller.

7. The thread feeding apparatus for a crochet machine according to claim 6, wherein: the motor is connected with the tension sensor, the rotary encoder and the motor, and the PLC can control the rotating speed of the motor according to signals transmitted by the tension sensor and the rotary encoder.