CN216891462U

CN216891462U - Flat knitting machine yarn nozzle running device

Info

Publication number: CN216891462U
Application number: CN202121375524.0U
Authority: CN
Inventors: 郑建林; 张文宁
Original assignee: Ningbo Beworth Textile Machinery Co ltd
Current assignee: Ningbo Beworth Textile Machinery Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-07-05
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to the technical field of computerized flat knitting machines, in particular to a yarn nozzle running device of a flat knitting machine, which comprises a plurality of guide rails arranged in parallel, wherein a yarn nozzle seat is arranged on the guide rails in a sliding manner, and a yarn nozzle capable of sliding along the height direction of the yarn nozzle seat is arranged on the yarn nozzle seat; the utility model relates to an overline bridge, which is characterized in that the overline bridge is arranged above a guide rail in a crossing manner through front and rear mountain plates, a lifting control unit for controlling the height of a yarn nozzle is arranged in the overline bridge above each yarn nozzle seat, each lifting control unit comprises a swinging block base and an electromagnet unit, and the swinging block base is transversely connected with a swinging block through a leg pressing pin.

Description

Flat knitting machine yarn nozzle running device

Technical Field

The utility model relates to the technical field of computerized flat knitting machines, in particular to a yarn nozzle running device of a flat knitting machine.

Background

At present, a front and a rear mountain plate bases are connected through an overpass by a traditional computerized flat knitting machine, and a front and a rear knitting parts are respectively arranged on the front and the rear mountain plate bases, so that the synchronism of the front and the rear knitting parts is ensured. Meanwhile, the yarn nozzle seat is driven to transversely reciprocate by the color changing device arranged on the head overline bridge, and when the color changing device is reset, the color changing ejector rod rises and the yarn nozzle seat stops running. The traditional yarn mouth seat can only do transverse motion when being knitted, the operation of the yarn mouth seat can only move along with the operation of a machine head, when the yarn mouth seat stops in a knitting area, the yarn mouth is in an inoperative position, the yarn mouth is easy to interfere with a knitting needle normally knitted under the yarn mouth, and a yarn hooking phenomenon occurs.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and shortcomings of a computerized flat knitting machine in the prior art, the utility model provides the yarn nozzle running device of the flat knitting machine, which not only can independently control the lifting of each yarn nozzle and ensure the running reasonability of the yarn nozzles, but also has stable structure and work stability, can effectively reduce the number of redundant running lines of a machine head, saves the operation time of a system and improves the work efficiency.

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

a yarn nozzle running device of a flat knitting machine comprises a plurality of guide rails arranged in parallel, wherein a yarn nozzle seat is arranged on the guide rails in a sliding manner, and a yarn nozzle capable of sliding along the height direction of the yarn nozzle seat is arranged on the yarn nozzle seat; the overline bridge, the overline bridge strides through front and back mountain plates and establishes in the guide rail top, it is provided with the lift control unit who is used for controlling the height of yarn mouth to correspond every yarn mouth seat top in the overline bridge, every lift control unit includes pendulum block base and electromagnetic unit, and this pendulum block base is connected with the pendulum block through a leg pressing round pin on horizontal, the leg pressing round pin endotheca is equipped with the torsional spring, the conflict of torsional spring one end is at the pendulum block outer wall, and the other end is contradicted or is inserted the electromagnetic unit, pendulum block bottom is connected with the pressure piece seat that corresponds position yarn mouth top, the pendulum block is equipped with the activity piece to the electromagnetic unit direction, the mesh iron core cooperation conflict of hanging that stretches out in the upper end of activity piece and the electromagnetic unit is connected.

Preferably, the method comprises the following steps: and the outer wall of the swing block base is provided with fixing pressing plates at two ends respectively corresponding to the leg pressing pins, and the fixing pressing plates are connected to the swing block base through screws and abut against and press the assembly positions of the leg pressing pins to be limited.

Preferably, the method comprises the following steps: the pressing sheet seat is connected and fixed with the outer wall of the swinging block through a pin in a matching mode, and at least one magnetic steel is arranged on the upper end face of the pressing sheet seat.

Preferably, the method comprises the following steps: and a yarn pressing sensor is arranged on the swinging block base, and the bottom end of the yarn pressing sensor corresponds to or is in contact with the position right above the magnetic steel.

The utility model has the beneficial effects that: the automatic lifting device has reasonable structural design, can independently control the lifting of each yarn nozzle, enables the yarn nozzles which are not in a working state to deviate from the needle plate, ensures the running reasonability of each yarn nozzle, has stable structural work, can effectively reduce the redundant running line number of the machine head, saves the system operation time and improves the working efficiency.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic structural diagram of the lifting control unit of the present invention.

Fig. 3 is an exploded view of the lift control unit of the present invention.

Fig. 4 is a schematic view of the structure of the pendulum block of the present invention.

Reference numerals: 1. a guide rail; 2. a yarn nozzle seat; 3. a yarn nozzle; 4. an overbridge; 40. a lift control unit; 41. a swing block base; 42. an electromagnet unit; 410. a cavity; 411. a leg pressing pin; 412. a torsion spring; 413. swinging a block; 414. a wafer pressing seat; 415. magnetic steel; 416. a movable support block; 417. fixing the pressing plate; 418. a yarn pressing sensor; 420. and (4) hanging the iron core.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, a weft feeder 3 running device of a flat knitting machine comprises a plurality of guide rails 1 arranged in parallel, a weft feeder base 2 is arranged on the guide rails 1 in a sliding manner, and a weft feeder 3 capable of sliding along the height direction of the weft feeder base 2 is arranged on the weft feeder base 2; the overline bridge 4 is spanned above the guide rail 1 through front and rear mountain plates, a lifting control unit 40 for controlling the height of the yarn feeder 3 is arranged in the overline bridge 4 corresponding to the upper part of each yarn feeder seat 2, each lifting control unit 40 comprises a swing block base 41 and an electromagnet unit 42, the swing block base 41 is transversely connected with a swing block 413 through a leg pressing pin 411, the leg pressing pin 411 is sleeved with a torsion spring 412, one end of the torsion spring 412 is abutted against the outer wall of the swing block 413, the other end of the torsion spring is abutted against or inserted into the electromagnet unit 42, the bottom of the swing block 413 is connected with a sheet pressing seat 414 above the yarn feeder 3 at a corresponding position, the swing block 413 is provided with a movable support block 416 towards the electromagnet unit 42, and the upper end of the movable support block 416 is in abutted fit connection with a mesh iron core 420 extending out of the electromagnet unit 42;

the lifting control units 40 are provided with three groups which are integrally arranged in the platform bridge 4, so that the lifting control units respectively correspond to three weaving systems and adapt to the running requirements of different weaving systems, and the bottom end of each lifting control unit 40 respectively corresponds to the setting of each yarn mouth seat 2, so that the lifting action of each yarn mouth 3 is effectively regulated and controlled;

the swing block base 41 is vertically connected to the inner wall of the overpass 4, a cavity 410 for assembling the leg pressing pin 411 is transversely arranged on the swing block base 41, the leg pressing pin 411 is matched in the cavity 410 and can be connected with the swing block 413 in a shaft mode, so that the swing block 413 can rotate by taking the leg pressing pin 411 as a rotation reference, meanwhile, the rotation state of the swing block 413 can be recovered through the torsion spring 412, when the torsion spring 412 is matched on the leg pressing pin 411, one end of the torsion spring 412 is pressed against the back of the swing block 413, a reverse thrust relative to the back is generated on the swing block 413, the upper end of the movable supporting block 416 at the other end of the torsion spring 412 is pressed against the eye iron core 420, so that the swing block 413 can be continuously pressed against the inner wall of the swing block base 41 under a normal state to keep a relatively stable balance position, when the action of retracting the eye iron core 420 into the electromagnet unit 42 needs to be controlled, the electromagnet unit 42 needs to overcome the elasticity of the torsion spring 412, so that the movable supporting block 416 is matched to continuously pressed against the bottom end of the eye iron core upwards, therefore, the swinging block 413 tilts from the initial direction vertical to the inner wall of the platform bridge 4 to the direction opposite to the swinging block base 41, and finally the pressing piece seat 414 is controlled to be matched with the tilting deviation position of the swinging block 413, so that the yarn nozzle 3 deviates from the needle plate to avoid interference, when the eye hanging iron core 420 extends out, the swinging block 413 is forced to be in the initial fixed state, and meanwhile, the yarn nozzle 3 is pressed downwards to achieve the purpose of controlling the yarn nozzle 3 to lift;

this design can the lift of every yarn mouth 3 of independent control, makes the yarn mouth 3 skew fallers that are not at operating condition, guarantees the rationality of 3 operations of each yarn mouth, and structural work is stable moreover, can effectively reduce the unnecessary line number of operation of aircraft nose, saves system operating time, promotes work efficiency.

In this embodiment, the outer wall of the swing block base 41 is provided with fixing pressing plates 417 at two ends respectively corresponding to the leg pressing pins 411, and the fixing pressing plates 417 are connected to the swing block base 41 through a screw and abut against and limit the assembling position of the leg pressing pins 411; when the leg pressing pin 411 is placed in the cavity 410, in order to avoid the problem that the leg pressing pin 411 is not stably assembled or is separated from the cavity 410, the two fixed pressing plates 417 are fixed on the swing block base 41, and meanwhile, the fixed pressing plates 417 are correspondingly attached to the position of the cavity 410, so that the leg pressing pin 411 is positioned, and the stability of the installation structure of the leg pressing pin 411 is enhanced.

In this embodiment, the pressing sheet seat 414 is fixed to the outer wall of the swinging block 413 by a pin, and at least one magnetic steel 415 is disposed on the upper end surface of the pressing sheet seat 414; the presser seat 414 can be integrally connected with the outer wall of the swing block 413 or detachably connected in a split manner, so that the bottom surface of the presser seat 414 corresponds to the position right above the yarn nozzle 3, the electromagnet unit 42 is used for controlling the lifting of the presser seat 414, the magnetic steel 415 on the upper end surface of the presser seat 414 is designed to be in inductive connection with the yarn pressing sensor 418, the swing block 413 drives the presser seat 414 to be separated from or realize the induction with the yarn pressing sensor 418, the real-time monitoring on each lifting control unit 40 is facilitated, and the use safety of the flat knitting machine is improved.

In this embodiment, the swing block base 41 is provided with a yarn pressing sensor 418, and the bottom end of the yarn pressing sensor 418 corresponds to or contacts the right above the magnetic steel 415;

the yarn pressing sensor 418 is constantly located at a position right above the magnetic steel 415 in a normal state, so that the yarn pressing sensor 418 can constantly monitor the position and the state of the yarn pressing seat 414, when the yarn pressing seat 414 needs to be adjusted to be deviated to control the height of the yarn nozzle 3, the electromagnet unit 42 can drive the swing block 413 to move reversely towards the swing block base 41, the magnetic steel 415 on the yarn pressing seat 414 can be separated from the induction of the yarn pressing sensor 418, the required deviation action is achieved, and real-time observation and monitoring are facilitated.

The above description is only a preferred embodiment of the present invention, and it should be understood that the present invention is not limited to the above description, but the present invention can be modified within the scope of the present invention.

Claims

1. A yarn nozzle running device of a flat knitting machine comprises a plurality of guide rails arranged in parallel, wherein a yarn nozzle seat is arranged on the guide rails in a sliding manner, and a yarn nozzle capable of sliding along the height direction of the yarn nozzle seat is arranged on the yarn nozzle seat; the overline bridge, the overline bridge is striden through preceding back and forth mountain plate and is established in the guide rail top, correspond every yarn mouth seat top in the overline bridge and be provided with the lift control unit who is used for controlling the height of yarn mouth, its characterized in that: every lift control unit includes pendulum piece base and electromagnet unit, and this pendulum piece base is connected with the pendulum piece through a leg pressing round pin on horizontal, the leg pressing round pin is gone up the cover and is equipped with the torsional spring, torsional spring one end is contradicted at pendulum piece outer wall, and the other end is contradicted or is inserted electromagnet unit, pendulum piece bottom be connected with the pressure piece seat that corresponds position yarn mouth top, the pendulum piece is equipped with movable piece to electromagnet unit direction, the mesh iron core cooperation conflict that hangs that stretches out in the upper end of movable piece and the electromagnet unit is connected.

2. The weft feeder operating device according to claim 1, wherein: the outer wall of the swing block base is provided with fixing pressing plates at two ends corresponding to the leg pressing pins respectively, and the fixing pressing plates are connected to the swing block base through screws and abut against and limit the assembling positions of the leg pressing pins.

3. The weft feeder operating device according to claim 1, wherein: the pressing sheet seat is connected and fixed with the outer wall of the swinging block through a pin in a matching mode, and at least one magnetic steel is arranged on the upper end face of the pressing sheet seat.

4. A weft feeder operating device for a flat knitting machine according to claim 3, characterized in that: and a yarn pressing sensor is arranged on the swinging block base, and the bottom end of the yarn pressing sensor corresponds to or contacts the right upper part of the magnetic steel.