CN220685409U - Flat knitting machine with self-running yarn nozzle - Google Patents

Abstract

The utility model discloses a flat knitting machine with a self-running yarn nozzle, which comprises a frame component, a computer control system, a main transmission system, a needle selecting device and a knitting device, wherein the computer control system, the main transmission system, the needle selecting device and the knitting device are fixed on the frame component, a yarn rest and a threading frame device are arranged on the frame component, the self-running yarn nozzle device is arranged above a knitting area formed by a front needle plate and a rear needle plate, the flat knitting machine comprises a plurality of guide rail seats which are arranged side by side, and a self-running yarn nozzle transmission mechanism which is arranged on the guide rail seats, each guide rail seat is provided with a wire yarn nozzle which is driven by the self-running yarn nozzle transmission mechanism in a transmission belt mode, so that the wire yarn nozzle which moves or is parked is driven to reciprocate and transversely move along the guide rail seat by utilizing the positive and negative rotation of the transmission belt in the self-running yarn nozzle transmission mechanism, the traditional yarn nozzle is changed depending on the movement mode driven by a machine head and the control mode of an electromagnet, and the flat knitting machine has the advantage of accurate control of movement stroke.

Description

Flat knitting machine with self-running yarn nozzle

Technical Field

The utility model relates to the technical field of glove knitting machines, in particular to a flat knitting machine with a self-yarn running nozzle.

Background

In the prior art, a flat knitting machine for producing gloves, also called a glove knitting machine, the movement of a yarn nozzle is required to depend on a front machine head and a rear machine head, the whole yarn nozzle transmission process is driven by a pin arranged on a shell in a machine head part to run back and forth, the left end part and the right end part of the yarn nozzle are also provided with mechanisms capable of controlling the movement of the yarn nozzle to be released and closed, such as electromagnet control and the like,

the control process is as follows: firstly, the machine head moves to the left side of the yarn mouth, then the yarn mouth is driven by an electromagnet of the yarn mouth, so that the yarn mouth and the machine head are combined, the electromagnet can drive the yarn mouth to synchronously move, and when the electromagnet acts again, the yarn mouth is separated from the machine head, and the yarn mouth can continuously move by inertia. The structure has the following problems: 1. the yarn mouth is driven by the machine head, so that the position control is not accurate enough, and the movement of the yarn mouth requires an extra stroke of the machine head. 2. The action time of the yarn nozzle electromagnet is usually used at present, and the action time is required to be tens of ms. The highest speed of the machine head can reach 1.0m/s, and the error caused by the highest speed is not negligible. 3. The yarn nozzle cannot be randomly parked in the running process, so that the weaving of a plurality of fabrics is limited, and the flower-shaped varieties of the fabrics cannot be effectively expanded.

Disclosure of Invention

The utility model aims to provide a flat knitting machine with a self-running yarn nozzle, which can realize independent driving and self-running of the yarn nozzle and realize arbitrary position parking.

In order to achieve the technical aim, the utility model provides a flat knitting machine with a self-yarn running nozzle, which comprises a frame component, a computer control system, a main transmission system, a needle selecting device and a knitting device, wherein the computer control system, the main transmission system, the needle selecting device and the knitting device are fixed on the frame component, a yarn rack and a threading frame device are arranged on the frame component,

the needle selecting device is positioned below the knitting device and comprises a front needle selecting roller, a rear needle selecting roller, a front needle plate and a rear needle plate which are correspondingly arranged above the front needle selecting roller and the rear needle selecting roller, wherein the front needle selecting roller and the rear needle selecting roller are driven by the same driving motor to rotate, and knitting needles on the corresponding front needle plate and rear needle plate are selected to participate in knitting;

the braiding device comprises a front machine head and a rear machine head which are arranged above the front needle plate and the rear needle plate correspondingly, and the front needle plate and the rear needle plate are connected with a machine head transmission mechanism so as to move back and forth along the corresponding front needle plate and rear needle plate;

the self-yarn-running nozzle device is arranged above a knitting area formed by the front needle plate and the rear needle plate and comprises a plurality of guide rail seats which are arranged side by side and a self-yarn-running nozzle transmission mechanism which is arranged on the guide rail seats, and each guide rail seat is provided with a wire yarn nozzle which is independently driven by the self-yarn-running nozzle transmission mechanism in a transmission belt mode, so that the wire yarn nozzle can move or park.

Preferably, the yarn running nozzle transmission mechanism comprises a driving piece and a transmission belt driven by the driving piece to rotate, the yarn running nozzle is arranged on the yarn running nozzle assembly in sliding fit with the guide rail seat, the transmission belt is positioned in the guide rail seat and is fixed with the yarn running nozzle assembly, the guide rail seat is provided with a steel wire guide rail which is distributed along the length of the guide rail and is fixedly arranged up and down, the steel wire guide rail is a long steel wire with a circular section, and a roller of the yarn running nozzle assembly is matched with the steel wire guide rail.

Preferably, the needle selecting device further comprises a movable scissors device, wherein the movable scissors device is arranged below the front needle plate and the rear needle plate and is positioned between the front needle selecting roller and the rear needle selecting roller.

Preferably, the front needle plate and the rear needle plate are respectively provided with a front fork knife and a rear fork knife.

Preferably, the section of the guide rail seat is shaped like a Chinese character 'Wang', a steel wire guide rail installation space, a synchronous belt running space and a self-running yarn nozzle assembly running space are arranged on the same side of the guide rail seat, and the transmission belt is partially positioned in the synchronous belt running space; the installation steel wire guide rail space is located from the upper and lower both ends of running space of yarn mouth subassembly, and its internal fixation steel wire guide rail, from running yarn mouth subassembly to be located from running yarn mouth subassembly running space.

Preferably, the diameter of the wire guide rail is within 2.1mm-9 mm.

Preferably, the guide rail seat is provided with a left limiting block, a right limiting block and a self-yarn running nozzle lubricating assembly.

Preferably, the guide rail seat is provided with a guard board, and the guard board is strip-shaped and covers the outside of the transmission belt and the self-running yarn nozzle assembly.

Preferably, the two sides of each guide rail seat are provided with a self-yarn-running nozzle assembly and a self-yarn-running nozzle transmission mechanism.

The utility model has the beneficial effects that:

1. in the knitting process of the glove, the transmission belt in the self-running yarn nozzle transmission mechanism is utilized to drive the wire yarn nozzle to reciprocate and transversely move along the guide rail seat, so that the self-running of the yarn nozzle is realized, the traditional movement mode of the yarn nozzle driven by the machine head and the control mode of the electromagnet are changed, and the device has the advantage of accurate control of the movement stroke;

2. the driving piece which drives the driving belt to rotate in the self-running yarn nozzle driving mechanism is controlled, so that any wire yarn nozzle can be parked at any position in the running range, the running time and the running stroke are not limited by a machine head, yarns needing to participate in knitting can be fed into the knitting at any time according to the knitting process of the fabric, and the flower-shaped variety of the fabric is increased;

3. the section of the steel wire guide rail is circular, the processing is convenient, and the precision of parts is improved, so that the utility model has the characteristics of simple structure, convenient processing and installation, stable operation, small noise, high working efficiency and the like.

Drawings

FIG. 1 is an exploded view of the present example

FIG. 2 is an overall view of the present example assembly

FIG. 3 is a partial left-hand view of the present example

FIG. 4 is a schematic rear view of the present example

FIG. 5 is a schematic view in partial section of the present example

FIG. 6 is a schematic view of a needle selecting structure according to the present embodiment

FIG. 7 is a diagram showing a needle selecting structure according to the present embodiment

Fig. 8 is a schematic view showing the installation of the needle plate fork knife in this example

FIG. 9 is a schematic view of the assembly of the self-threading device in this example;

FIG. 10 is a partial assembled cross-sectional view of the self-threading mouth assembly of the present example;

FIG. 11 is a schematic view of the structure of the guide rail seat in this example;

fig. 12 is a schematic view showing a structure of the rail seat in the present example in a bottom view;

FIG. 13 is a schematic cross-sectional view of a guide rail mount in this example;

FIG. 14 is a schematic view of the installation of the wire guide rail in this example;

in the figure: the device comprises a frame assembly 1, a computer control system 2, a main transmission system 3, a lubrication system 4, a creel and threading frame device 6, a needle selecting device and a knitting device 7;

the automatic yarn running nozzle device 5, a guide rail seat 51, a driving belt 52, a steel wire guide rail 53, a driving piece 54, a guard plate 55, an automatic yarn running nozzle assembly 56, a left limiting block 57, a right limiting block 58, an automatic yarn running nozzle lubricating assembly 59, a lubricating assembly mounting hole 513, a guard plate mounting hole 514, a steel wire guide rail mounting space 515, a left limiting mounting hole 516, a limiting block mounting hole 517, a synchronous belt running space 518 and an automatic yarn running nozzle assembly running space 519;

front needle selecting roller 701, rear needle selecting roller 702, rear needle plate 703, rear nose 704, front nose 705, front needle plate 706, front and rear ejector rod mechanisms 707, moving scissor device 708, nose transmission mechanism 709, front fork blade 710, rear fork blade 711, front fork blade line mouth 7101, rear fork blade line mouth 7111, drum shaft 7021, needle selecting pin 7022, knitting needle 7031, needle jack 7032, bird segment 7033, bird segment shaft 7034, needle feeding groove 7035, butt 7032A, triangle 7041.

Detailed Description

The following description is only of preferred embodiments of the present utility model, and the scope of protection is not limited to the examples, but the technical solutions falling under the concept of the present utility model should fall under the scope of protection of the present utility model, and it should be pointed out that, for those skilled in the art, these modifications and adaptations should and are considered as well, without departing from the principle of the present utility model.

As shown in fig. 1 to 14, the flat knitting machine with a self-running yarn nozzle according to the present embodiment includes a frame assembly 1, a computer control system 2, a main transmission system 3, a lubrication system 4, a needle selecting device and a knitting device 7, which are fixed on the frame assembly 1, and a yarn carrier and threading frame device 6 and a self-running yarn nozzle device 5 are arranged on the frame assembly. Wherein the self-running yarn mouth device 5 is positioned below the yarn carrier and the threading frame device 6.

Wherein the frame assembly 1 is in the lowermost position, all other structures, devices, systems of the flat knitting machine are mounted directly or indirectly on the present frame assembly 1.

All the transmission, all the knitting processes and the whole machine lubrication of the flat knitting machine are controlled by the computer control system 2, and the lubrication system 4 is used for lubricating the main transmission mechanism of the flat knitting machine, so that the mutual friction between transmission parts can be reduced, and the machine can run more rapidly and stably, thereby prolonging the service life of the transmission parts and the service life of the machine. The creel and threading frame device 6 is partially arranged at the rear side of the braiding machine, and partially arranged at the uppermost part of the braiding machine, and the two parts are mutually connected, so that the yarns participating in braiding play roles of stability, uniform tensioning and the like when running on the creel and threading frame device.

Specifically, the needle selecting device and the knitting device 7 are arranged in the middle part of the knitting machine, mainly to complete the functions of selecting needles and knitting in the knitting process of fabrics, and the knitting machine comprises a needle selecting device and a knitting device, wherein a front needle selecting roller 701, a rear needle selecting roller 702, a front needle plate 706 and a rear needle plate 703 belong to the needle selecting devices; wherein the front needle selecting roller 701 and the rear needle selecting roller 702 are arranged at the lower middle part of the needle selecting and knitting system 7, and the front needle plate 706 and the rear needle plate 703 are arranged above the corresponding needle selecting rollers. The front needle selecting roller 701 and the rear needle selecting roller 702 are driven by the same driving motor, and after being transmitted by the transmission mechanism, the front needle selecting roller 701 and the rear needle selecting roller 702 are driven to rotate around corresponding shafts. The front needle selecting roller 701 and the rear needle selecting roller 702 are mainly used for selecting the knitting needles on the corresponding front needle plate 706 and the rear needle plate 703, so that the knitting needles on the corresponding front needle plate 706 and the rear needle plate 703 are positioned at the corresponding positions when entering the fabric for knitting.

Needle selection principle of needle selection device: as shown in fig. 6, since the front and rear needle selection principles are the same, the following needle selection principles are illustrated as follows: when the rear needle selecting roller 702 is driven by the driving element to rotate around the roller shaft 7021, the needle selecting pin 7022 pre-arranged at the angle of the rear needle selecting roller 702 can rotate upwards around the bird sheet shaft 7034 against the bird sheet 7033 when rotating for one angle, the bird sheet 7033 rotates upwards around the bird sheet shaft 7034 and drives the butt 7032A of the needle jack 7032 connected with the bird sheet 7033 to lift upwards, then the butt 7032A of the lifted needle jack 7032 can be driven by the cam 7041 arranged in the rear machine head 704 and operated to the position, and as the rear machine head 704 continues to operate, the lifted needle jack 7032 drives the corresponding connected knitting needle 7031 to move upwards or downwards along the needle moving groove 7035 arranged on the rear needle plate, as shown in fig. 6 and 8. If the post selector cylinder 702 is rotated about the cylinder axis 7021 by an angle at which the selector pin 7022 is not previously provided, the bird flakes 7033 are not lifted up to rotate upwardly about the bird flakes axis 7034, and thus, there is no series of motion drives, and the knitting needle 7031 is not pushed up or down, the knitting needle 7031 remains in place as shown in fig. 7. The same pre-needle selection action and needle selection procedure is the same.

In this embodiment, the front nose 705 and the rear nose 704 belong to a knitting device, and the front nose 705 and the rear nose 704 arranged above the front needle plate 706 and the rear needle plate 703 can move back and forth along the corresponding front needle plate and the rear needle plate to drive the selected knitting needles to enter the knitting of the fabric.

The front and rear ram mechanisms 707 and the head transmission mechanism 709 are knitting transmission devices, and corresponding ram and head transmission are provided on the front side and the rear side of the front head 705 and the rear head 704 respectively. The corresponding ejector rods can be controlled by independent driving, so that the up-down or in-out positions of the corresponding cams controlled in the front and rear machine heads can be changed when knitting is participated. The head transmission mechanism 709 can drive the front head 705 and the back head 704 to reciprocate left and right on the braiding machine under the drive of the independent driving piece, so that the selected knitting needles enter the braiding working state and participate in braiding.

The self-yarn-running nozzle device 5 is located above a knitting area formed by the front needle plate 706 and the rear needle plate 703, and comprises a plurality of guide rail seats 51 arranged side by side and a self-yarn-running nozzle transmission mechanism located on the guide rail seats 51, each guide rail seat 51 is provided with a wire yarn nozzle which is driven by the self-yarn-running nozzle transmission mechanism in a transmission belt 52 mode independently, so that the wire yarn nozzle which moves or parks in a running mode can be parked at any position in the running range of the wire yarn nozzle, the running time and the running stroke of the wire yarn nozzle arranged on each road are not limited by a machine head, and yarns which need to participate in knitting can be fed into and knitted at any time according to the knitting process of fabrics. The guide rail seats 51 are elongated, and in the self-running yarn mouth device 5, a plurality of guide rail seats 51 are distributed side by side and are distributed in an arc shape so as to be suitable for front and rear machine heads.

The wire yarn mouth is arranged on the self-running yarn mouth component 56, the self-running yarn mouth component 56 is also called as a Wusi seat, a plurality of rollers are arranged on the self-running yarn mouth component 56 and the guide rail seat 51 are in sliding fit, the self-running yarn mouth transmission mechanism comprises a driving piece 54 and a transmission belt 52 which is driven by the driving piece to rotate, the transmission belt 52 is positioned in the guide rail seat 51 and is fixed with the self-running yarn mouth component 56, the guide rail seat 51 is provided with steel wire guide rails 53 which are distributed along the length of the guide rail seat and are fixedly arranged, one self-running yarn mouth component 56 is provided with two steel wire guide rails 53 which are arranged up and down, the steel wire guide rails 53 are long steel wires with circular sections, and the rollers of the self-running yarn mouth component 56 are matched with the steel wire guide rails 53.

Principle of operation of the self-threading device 5: when the main synchronizing wheel on the driving piece 54 rotates clockwise under the control of the machine control system, the self-running yarn nozzle assembly 56 is driven to move from right to left along the corresponding steel wire guide rail 53 through the transmission of the same transmission belt 52, and the leftmost end position of the self-running yarn nozzle assembly 56, which moves leftwards, is the position when the self-running yarn nozzle assembly 56 touches the left limiting block 57. Similarly, when the main synchronizing wheel on the driving member 54 rotates in the counterclockwise direction under the control of the machine control system, the self-running yarn nozzle assembly 56 is driven to run from left to right along the corresponding wire guide rail 53 by the transmission of the same transmission belt 52, and the rightmost position of the self-running yarn nozzle assembly 56 running to the right is the position when the self-running yarn nozzle assembly 56 hits the right limiting block 58. Thus, when the main synchronizing wheel on the driving member 54 rotates back and forth, the self-running yarn nozzle assembly 56 is driven to run back and forth, and yarn is finally fed into knitting. During operation of the machine, the shield 55 is used to prevent yarn dust from entering the operating space in the back and forth operation of the self-threading nozzle assembly 56, and also to prevent contamination of fabrics or influence on the working environment due to outward splashing of lubricating oil from the self-threading nozzle assembly 56 during operation. Also in the operation of the machine, the self-running yarn nozzle lubricating component 59 can lubricate the running piece of the self-running yarn nozzle component 56 running back and forth on the steel wire guide rail 53 as required, so that the running piece can stably run with reduced friction resistance in running, and the service life of the running piece is prolonged.

The yarn nozzle driven by each set of self-running yarn nozzle transmission mechanism is independently arranged on the driving piece, so that the yarn nozzle driven by the self-running yarn nozzle transmission mechanism can be parked at any time and any place during operation, yarn can be fed according to the needs, and thus, various fabrics which have different structures and different patterns, are fashionable and suitable for the development of tides can be woven. According to the production or fabric process requirements, the multiple paths of the multiple-station type fabric can be arranged on the same machine to expand the diversity of the fabric.

The yarn feeding mechanism of the yarn nozzle is directly driven by a computer-controlled motor, the speed is faster than that of a mechanism that a computer-controlled electromagnet sucks and releases and then a pin arranged on a machine head to drive the yarn nozzle to feed yarns, and three reasons are that:

the reason is that the yarn feeding of the yarn nozzle is controlled directly and is easier than the yarn feeding of the yarn nozzle is controlled indirectly;

the second reason is influenced by the speed of entering and exiting the pin arranged on the machine head, the running speed is increased, the speed of entering and exiting the pin can not be kept up sometimes and is easy to slip, so that the indirect control of the yarn feeding mechanism of the yarn mouth is not superior to the direct control of the speed of the yarn feeding mechanism of the yarn mouth;

the yarn feeder can be automatically parked when the yarn feeder is directly controlled to park, and the yarn feeder which needs to be fed can also automatically run in advance, so that the machine head does not need to run to the yarn feeder exchange position when the yarn feeders exchange, the travel distance of the machine head is shortened, and the corresponding speed is improved.

Specifically, the embodiment further includes a moving scissor device 708, which is an auxiliary knitting device, and the moving scissor device 708 is disposed below the front needle plate and the rear needle plate, and between the front needle selecting roller and the rear needle selecting roller, and has the main functions of cutting yarns required to be cut in fabric knitting according to requirements, clamping the cut thread ends connected to the yarn nozzle, and preventing the cut thread ends from falling off from the yarn nozzle.

The front needle plate 706 and the rear needle plate 703 are respectively provided with a front fork knife 710 and a rear fork knife 711, and the front fork knife 710 and the rear fork knife 711 play an auxiliary knitting role in knitting, and the fork knives play a role when the fabric is knitted with a common needle.

Specifically, the section of the guide rail seat 51 is shaped like a Chinese character 'wang', a steel wire installation guide rail space 515, a synchronous belt running space 518 and a self-running yarn nozzle assembly running space 519 are arranged on the same side of the guide rail seat 51, and the driving belt 52 is provided with a part positioned in the synchronous belt running space 518; the installation wire rail space 515 is located at the upper and lower ends of the self-running yarn nozzle assembly running space 519, in which the wire rail 53 is fixed, and the self-running yarn nozzle assembly 56 is located in the self-running yarn nozzle assembly running space 519. Whether the wire guide space 515 is installed, the timing belt running space 518 and the self-running yarn nozzle assembly running space 519 pass through the entire guide rail seat 51. Wherein, the left and right sides of the guide rail seat 51 are respectively provided with a set of self-yarn running nozzle assembly 56 and a self-yarn running nozzle transmission mechanism.

Specifically, the diameter of the steel wire guide rail 53 is within 2.1mm-9mm, so that the processing is convenient, and the precision of parts is improved; if the diameter of the round shape is less than or equal to 2.1mm, the steel wire guide rail is easy to bend and deform during processing due to long steel wire guide rail; if the diameter of the round shape is more than or equal to 9mm, the weight of the steel wire guide rail is increased due to the length of the steel wire guide rail, materials are wasted, the manufacturing cost is increased, and the occupied space of the steel wire guide rail is enlarged.

Specifically, the left limit mounting hole 516 and the right limit mounting hole 517 provided on the guide rail seat 51 are used for mounting the corresponding left limit block 57 and right limit block 58. Not only to ensure maximum distance of the self-running yarn mouth assembly 56 from side to side when the wire guide 53 is running back, but also to prevent the self-running yarn mouth assembly 56 from rushing out of the desired parked position when it is running back on itself due to running inertia, thereby affecting normal machine reset, normal fabric weaving, etc.

Specifically, the upper portion of the guide rail seat 51 is provided with a lubrication assembly mounting hole 513 of the self-running yarn nozzle lubrication assembly 59 and a guard plate mounting hole 514 of the guard plate 55, the self-running yarn nozzle lubrication assembly 59 is fixed on the guide rail seat 51 by the lubrication assembly mounting hole 513, and the self-running yarn nozzle lubrication assembly 59 is used for lubricating the running piece of the self-running yarn nozzle assembly 56 when the steel wire guide rail 53 runs back, so that friction resistance of the running piece is reduced during running, the running piece runs stably, and meanwhile the service life of the running piece is prolonged.

Specifically, the guide rail seat 51 is provided with a guard plate 55 fixed by a guard plate mounting hole 514, and the guard plate 55 is in a strip shape and covers the outside of the driving belt 52 and the self-running yarn nozzle assembly 56. The guard plate 55 is provided to prevent yarn dust during weaving of the machine fabric from entering a running space in which the self-running yarn nozzle assembly 56 runs back and forth, so that the self-running yarn nozzle assembly 56 increases resistance during running, and thus the weaving efficiency of the fabric is reduced. On the other hand, to prevent contamination of fabrics or influence on the working environment due to outward splashing of the lubricating oil from the yarn running nozzle assembly 56 during operation.

The working principle of the flat knitting machine with the self-yarn running nozzle of the embodiment is as follows: when knitting is started, independent driving parts arranged in a needle selecting device simultaneously drive front and back needle selecting rollers to rotate around corresponding roller shafts to enter a needle selecting state under the control of a computer control system 2, knitting needles 7031 which are connected with corresponding needle jack 7032 for knitting are preselected, and the rotating directions of the front needle selecting roller 701 and the back needle selecting roller 702 are completely opposite when the front needle selecting roller 701 and the back needle selecting roller 702 rotate around the corresponding roller shafts. Under the control of the computer control system 2, the main servo motor arranged in the main transmission system 3 drives the front nose 705 and the rear nose 704 to move back and forth along the corresponding needle plates through transmission by the nose transmission mechanism 709, and the respective cams arranged in the front nose and the rear nose move along the corresponding needle plates, and drive the preselected knitting needles 7031 to move upwards or downwards along needle moving grooves 7035 arranged on the corresponding needle plates through transmission, so that the knitting needles 7031 participate in knitting of fabrics or complete knitting of fabrics. The automatic yarn running nozzle device 5 is internally provided with a plurality of paths of automatic yarn running nozzle transmission mechanisms, when the knitting needles 7031 vertically run, one path or more than one path of automatic yarn running nozzle transmission mechanisms are driven by the computer control system 2 to drive the automatic yarn running nozzle assemblies 56 correspondingly arranged in the automatic yarn running nozzle transmission mechanisms to run back and forth according to knitting requirements, and the automatic yarn running nozzle assemblies 56 in running drive knitting yarns to pass through the yarn frames and the threading frame devices 6 to feed the pre-selected knitting needles 7031 correspondingly knitted. In the fabric knitting process, the front and rear ejector rod mechanisms 707 can control corresponding triangular knitting positions in the front machine head 705 and the rear machine head 704 under the driving of the self-contained driving piece, the front ejector rod mechanism controls the front machine head 705, the rear ejector rod mechanism controls the rear machine head 704, the front ejector rod mechanism and the rear ejector rod mechanism are provided with respective driving pieces, the control of the front density triangular knitting position is one of the front ejector rod mechanism controls, and the control of the rear density triangular knitting position is one of the rear ejector rod mechanism controls; the front fork knife 710 and the back fork knife 711 are arranged to act when the shared needles (glove are forked) are used for knitting, the front fork knife line pressing opening 7101 corresponds to the front needle plate 706, the back fork knife line pressing opening 7111 corresponds to the back needle plate 703, when the shared needles are used for knitting, the knitted loops are hung on the shared needles, when the loops need to be knitted again on the shared needles, the same driving piece arranged in the front fork knife 710 and the back fork knife 711 is driven under the control of the computer control system 2, the front fork knife 710 and the back fork knife 711 are driven to move back and forth, the line pressing opening on each fork knife is moved to the position corresponding to the shared needles, the loops are pressed, the loops are called first loops, the first loops are not driven to rise along with the knitting needle 7031 in the subsequent knitting, the shared needles can participate in knitting again until the last loop of the second knitting is called the second loop, the fork knife opening pressed on the first loops is removed, the first loops and the second loops are combined together, and the knitting of the shared needles is completed. The movable scissors 708 can move back and forth under the drive of the driving member, and can move to proper positions according to knitting requirements to perform thread hooking, thread cutting and thread clamping actions, and the other driving member drives the thread hooking, thread cutting and thread clamping actions at the positions. The lubrication system 4 in this embodiment can lubricate the main driving members on the whole machine to ensure the smooth running of the machine, reduce noise, etc.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (9)

1. The flat knitting machine with the self-yarn-running nozzle comprises a frame component, a computer control system, a main transmission system, a needle selecting device and a knitting device which are fixed on the frame component, wherein the frame component is provided with a yarn frame and a threading frame device,

the needle selecting device is positioned below the knitting device and comprises a front needle selecting roller, a rear needle selecting roller, a front needle plate and a rear needle plate which are correspondingly arranged above the front needle selecting roller and the rear needle selecting roller, wherein the front needle selecting roller and the rear needle selecting roller are driven by the same driving motor to rotate, and knitting needles on the corresponding front needle plate and rear needle plate are selected to participate in knitting;

the braiding device comprises a front machine head and a rear machine head which are arranged above the front needle plate and the rear needle plate correspondingly, and the front needle plate and the rear needle plate are connected with a machine head transmission mechanism so as to move back and forth along the corresponding front needle plate and rear needle plate;

the self-yarn-running nozzle device is arranged above a knitting area formed by the front needle plate and the rear needle plate and comprises a plurality of guide rail seats which are arranged side by side and a self-yarn-running nozzle transmission mechanism which is arranged on the guide rail seats, and each guide rail seat is provided with a wire yarn nozzle which is independently driven by the self-yarn-running nozzle transmission mechanism in a transmission belt mode, so that the wire yarn nozzle can move or park.

2. The flat knitting machine with the self-running yarn nozzle according to claim 1, characterized in that the self-running yarn nozzle transmission mechanism comprises a driving piece and a transmission belt driven by the driving piece to rotate, the wire yarn nozzle is arranged on the self-running yarn nozzle component which is in sliding fit with the guide rail seat, the transmission belt is positioned in the guide rail seat and is fixed with the self-running yarn nozzle component, a steel wire guide rail which is distributed along the length of the guide rail seat and is fixedly arranged up and down is arranged on the guide rail seat, the steel wire guide rail is a long steel wire with a circular section, and a roller of the self-running yarn nozzle component is matched with the steel wire guide rail.

3. The flat knitting machine with self-threading nozzle as in claim 1 further comprising a moving scissor assembly positioned below the front needle plate and the rear needle plate and intermediate the front selector cylinder and the rear selector cylinder.

4. A flat knitting machine with self-threading nozzle according to any one of claims 1 to 3 characterized in that the front needle plate and the rear needle plate are each provided with a front fork and a rear fork.

5. The flat knitting machine with the self-running yarn nozzle according to claim 2, wherein the section of the guide rail seat is shaped like a Chinese character 'wang', and a steel wire installation guide rail space, a synchronous belt running space and a self-running yarn nozzle assembly running space are arranged on the same side of the guide rail seat, and the transmission belt is partially positioned in the synchronous belt running space; the installation steel wire guide rail space is located from the upper and lower both ends of running space of yarn mouth subassembly, and its internal fixation steel wire guide rail, from running yarn mouth subassembly to be located from running yarn mouth subassembly running space.

6. A flat knitting machine with self-threading mouth according to claim 5, characterized in that the diameter of the wire guide rail is within 2.1mm-9 mm.

7. The flat knitting machine with the self-running yarn nozzle as in claim 6 wherein the guide rail seat is provided with a left limit block, a right limit block and a self-running yarn nozzle lubrication assembly.

8. The flat knitting machine with a self-threading nozzle as in claim 5 wherein a guard plate is provided on the guide rail seat, the guard plate being elongated and covering the belt and the self-threading nozzle assembly.

9. The flat knitting machine with a self-threading nozzle as claimed in claim 5 wherein the self-threading nozzle assembly and the self-threading nozzle transmission mechanism are provided on both sides of each guide rail seat.