CN220300980U - Paying-off device of lace warp knitting machine - Google Patents

Abstract

The utility model discloses a paying-off device of a lace warp knitting machine, which relates to the technical field of textile equipment and comprises a frame body, wherein a plurality of reels provided with yarns are rotatably arranged on the frame body, and the yarns sequentially pass through a compression roller group and a tension adjusting component through traction until entering the warp knitting machine; the press roll set comprises an upper press roll and a lower press roll, the upper press roll and the lower press roll are driven by gear meshing, the outer side of the upper press roll is sleeved with a rubber sleeve, the upper press roll is movably sleeved on a fixed beam arranged on the frame body through an eccentric beam, and the lower press roll is fixedly connected with a rotating beam arranged on the frame body; when the eccentric beam is rotated, a threading gap for threading yarns is formed between the upper pressing roller and the lower pressing roller. Compared with the prior art, the design can enable the upper compression roller and the lower compression roller to form a certain threading gap by rotating the handle, and can facilitate the pre-traction of the yarn before the equipment is started.

Description

Paying-off device of lace warp knitting machine

Technical Field

The utility model relates to a paying-off device, in particular to a paying-off device of a lace warp knitting machine, and belongs to the technical field of textile equipment.

Background

When the warp knitting machine is used, yarn conveying is realized by means of a paying-off device. Through searching, the patent with the publication number of CN213896204U discloses a paying-off mechanism of a short yarn cutting device of a biaxial warp knitting machine, which mainly aims to solve the problem that the traditional paying-off mechanism is easy to loose when delivering yarns. The applicant believes that there is still room for optimization in the above designs, specifically: the rubber roller set is installed in a fixed rotation mode, and before the mechanism is used, a textile thread is not easy to penetrate into the rubber roller set manually.

Therefore, the applicant designs a pay-off device of a lace warp knitting machine and proposes the following application.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a paying-off device of a lace warp knitting machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a pay-off device of a lace warp knitting machine comprises a frame body, wherein a plurality of wire reels provided with yarns are rotatably arranged on the frame body, and the yarns sequentially pass through a compression roller group and a tension adjusting component through traction until entering the warp knitting machine; the press roll set comprises an upper press roll and a lower press roll, the upper press roll and the lower press roll are driven by gear meshing, the outer side of the upper press roll is sleeved with a rubber sleeve, the upper press roll is movably sleeved on a fixed beam arranged on the frame body through an eccentric beam, and the lower press roll is fixedly connected with a rotating beam arranged on the frame body; when the eccentric beam is rotated, a threading gap for threading yarns is formed between the upper pressing roller and the lower pressing roller.

Preferably, the gears for realizing the transmission of the press roller group are respectively locked and fixed with the corresponding upper press roller and lower press roller.

Preferably, the rotating beam is driven to rotate by a motor fixed on the frame body.

Preferably, the upper press roller is rotationally combined with the eccentric beam, and a handle is detachably fixed at the end part of the eccentric beam.

Preferably, the inner circle center of the eccentric beam is concentric with the fixed beam, and the outer circle center of the eccentric beam is concentric with the upper press roller.

Preferably, the end part of the eccentric beam is provided with a flat key, and the handle is annularly provided with a plurality of clamping grooves for being clamped with the flat key.

Preferably, the tension adjusting component comprises a tension shaft which can elastically slide up and down relative to the frame body, and a plurality of sensors longitudinally arranged on the frame body are used for sensing the real-time height of the tension shaft.

Preferably, a guide roller is further arranged between the compression roller group and the tension adjusting assembly, and a plurality of guide wheels are locked on the guide roller.

The utility model has at least the following advantages:

1. the rotating handle can form a certain gap between the upper compression roller and the lower compression roller, so that the yarn can be conveniently drawn in advance;

2. the gap between the upper compression roller and the lower compression roller can be adjusted during working, so that the problem of thread clamping caused by uneven yarns is avoided;

3. the sensor can make feedback according to the real-time height of the tension shaft and properly adjust the rotation rate of the motor.

Drawings

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

Fig. 2 is a schematic diagram of the transmission at a in fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 1.

Fig. 4 is a schematic view of the installation of the handle.

Fig. 5 is a schematic structural view of the handle.

In the figure, 1-frame body; 2-a wire coil roller; 201-a wire coil; 3-a press roll set; 301-pressing roller; 311-eccentric beam; 3111-a flat key; 321-fixing beams; 302-a lower press roll; 312-motor; 322-rotating the beam; 303-a gear; 313-a drive gear; 323-driven gear; 4-a tension adjustment assembly; 401-a tension shaft; 411-tension shaft mounting rack; 402-a sensor; 5-a handle; 501-a clamping groove; 6-a guide roller; 601-guiding wheels.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-5: a pay-off device of a lace warp knitting machine comprises a frame body 1, a wire coil roller 2 is arranged at the top of the frame body, a plurality of wire coils 201 provided with yarns are arranged on the wire coil roller 2, and the yarns pass through a compression roller group 3 and a tension adjusting component 4 through traction until entering the warp knitting machine.

Further, the press roll set 3 includes an upper press roll 301 and a lower press roll 302 which are disposed up and down and realize transmission through a gear 303. Wherein, the upper press roller 301 is internally rotatably provided with an eccentric beam 311, and the eccentric beam 311 is movably sleeved on a fixed beam arranged on the frame body 1; the lower pressing roller 302 is fixedly mounted on a rotating beam 322 provided on the frame body 1. When the eccentric beam 311 rotates, a large threading gap may be formed between the upper press roller 301 and the lower press roller 302, enabling the yarn to be drawn therein.

Specifically, the eccentric beam 311 has an inner center concentric with the fixed beam 321 and an outer center concentric with the upper press roller 301.

Specifically, the rotation of the rotating beam 322 is realized by the motor 312 arranged on the frame body 1 and matched with a synchronous belt and a synchronous wheel.

Specifically, the eccentric beam 311 is detachably and fixedly provided with a handle 5 at its end; as shown in fig. 4 to 5, the end of the eccentric beam 311 is provided with a key slot, and is provided with a flat key 3111, a plurality of clamping grooves 501 are annularly arranged on the handle 5, and the flat key 3111 of the eccentric beam 311 can be mutually clamped with any one of the clamping grooves 501 of the handle 5, so that the eccentric beam 311 and the handle 5 are fixedly combined. When the handle 5 is rotated to rotate the eccentric beam 311, the upper press roller 301 is also correspondingly shifted up and down, so that the threading gap is formed together with the lower press roller 302 or the yarn is pressed and pulled together with the lower press roller 302.

Specifically, the handle 5 is mounted on the inner side of the frame 1, two ends of the handle are respectively abutted against the frame 1 and the upper press roller 301, and a gasket is further mounted at the position where the handle is abutted against the frame 1, and the gasket enables the handle 5 to have a certain damping sense when rotating, and can prevent the eccentric beam 311 from rotating automatically.

Specifically, as shown in fig. 2, the gears 303 for implementing the transmission of the upper press roller 301 and the lower press roller 302 are a driving gear 313 and a driven gear 323 respectively; the driving gear 313 is locked with the lower press roller 302 and the rotating beam 322 to fix the lower press roller 302 and the rotating beam 322, and the driven gear 323 is rotatably sleeved on the eccentric beam 311 and locked with the upper press roller 301.

Specifically, in the present design, the upper press roller 301 and the lower press roller 302 are the same as in the prior art, and are also provided with elastic rubber sleeves outside the rubber sleeves, so that the gap difference between the upper press roller 301 and the lower press roller 302 is compensated, and the upper press roller 301 and the lower press roller 302 can clamp yarns together when moving downwards, so that yarn conveying is realized, and meanwhile, the rubber sleeves themselves have a certain anti-slip effect, so that sliding deviation during yarn conveying can be prevented.

Further, the tension adjusting component 4 includes a tension shaft 401, the frame 1 is elastically lifted by a spring to form a tension shaft mounting frame 411, the tension shaft 401 is mounted on the tension shaft mounting frame 411, and at the same time, a plurality of sensors 402 are further longitudinally disposed on the frame 1. Normally, the tension shaft 401 will make itself in the middle position of the frame 1 under the pulling action of the yarn, and the spring is in a slightly stretched state at this time, which indicates that the tension of the yarn is in an equilibrium state; when the tension shaft 401 rises or falls and is sensed by the corresponding sensor 402, the tension of the yarn is in a state of obvious unbalance, and at this time, the sensor 402 sends a signal feedback through a circuit to adjust the rotation speed of the motor 312 so as to adjust the paying-off speed of the yarn.

Further, at least one guide roller 6 is further disposed between the press roller set 3 and the tension adjusting assembly 4, and a plurality of guide wheels 601 are fixedly locked on the guide roller 6, wherein the guide wheels 601 are used for preventing the deviation of the yarn during the traction process.

As described in the background art, the above-mentioned "CN213896204U" patent uses a fixed installation form between two rubber rollers, and the rubber rollers themselves can also have the capability of driving yarn to move and convey through the motor while being matched with other traction devices of the warp knitting machine. However, in order to achieve yarn conveying, the two rubber rollers must clamp the yarn, that is, the gap between the two rubber rollers should be smaller than or equal to the line width of the yarn, otherwise, the yarn conveying function is difficult to achieve, and therefore the yarn is not easy to pull through the two rubber rollers manually by the paying-off device before starting. Compared with the design, the upper press roller can upwards deviate a small distance by rotating the handle, so that the yarn can be conveniently pulled in and pulled out.

On the other hand, the yarn itself belongs to a textile product, the surface of which may not be perfectly flat, and there may be protrusions of particles. During the use of the paying-off device, the protrusion of particles can lead to the yarn to be clamped between two rubber rollers, and because other traction devices of the warp knitting machine are arranged at the end part of the yarn to be pulled, the yarn is easy to break under the continuous action of the two traction devices, and even the warp knitting machine is damaged. When the design is used, if the situation occurs, the upper press roller can be immediately adjusted upwards, so that yarns pass through temporarily, and whether the operation of the device is stopped is selected according to the needs, so that the problem is avoided (the movement of the upper press roller in the design belongs to offset fine adjustment, and the gear transmission cannot be influenced).

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. The utility model provides a pay-off of lace warp knitting machine, includes support body (1), and drum (201) that a plurality of dishes are equipped with the yarn rotate and set up on support body (1), and its yarn passes compression roller group (3) and tension adjusting component (4) in proper order through the traction, until get into among the warp knitting machine, its characterized in that: the press roller set (3) comprises an upper press roller (301) and a lower press roller (302), wherein the upper press roller (301) and the lower press roller (302) are in transmission realized by meshing of gears (303), rubber sleeves are sleeved on the outer sides of the upper press roller (301), the upper press roller (301) is movably sleeved on a fixed beam (321) arranged on the frame body (1) through an eccentric beam (311), and the lower press roller (302) is fixedly connected with a rotating beam (322) arranged on the frame body (1); when the eccentric beam (311) is rotated, a threading gap for threading yarn is formed between the upper press roller (301) and the lower press roller (302).

2. The payout device of the lace warp knitting machine as defined in claim 1, wherein: the gears (303) for realizing the transmission of the press roller group (3) are respectively locked and fixed with the corresponding upper press roller (301) and lower press roller (302).

3. The payout device of the lace warp knitting machine as defined in claim 1, wherein: the rotating beam (322) is driven to rotate by a motor (312) fixed on the frame body (1).

4. The payout device of the lace warp knitting machine as defined in claim 1, wherein: the upper press roller (301) is rotationally combined with the eccentric beam (311), and a handle (5) is detachably fixed at the end part of the eccentric beam (311).

5. The pay-off device of a lace warp knitting machine as claimed in claim 4, wherein: the inner circle center of the eccentric beam (311) is concentric with the fixed beam (321), and the outer circle center is concentric with the upper press roller (301).

6. The pay-off device of a lace warp knitting machine as claimed in claim 4, wherein: the handle (5) is annularly provided with a plurality of clamping grooves (501), and a flat key (3111) arranged at the end part of the eccentric beam (311) can be mutually clamped with at least one of the clamping grooves (501).

7. The payout device of the lace warp knitting machine as defined in claim 1, wherein: the tension adjusting component (4) comprises a tension shaft (401) which can elastically slide up and down relative to the frame body (1), and a plurality of sensors (402) which are longitudinally arranged on the frame body (1) are used for sensing the real-time height of the tension shaft (401).

8. A thread releasing device for a lace warp knitting machine as claimed in any one of claims 1 to 7, characterized in that: a guide roller (6) is further arranged between the compression roller set (3) and the tension adjusting assembly (4), and a plurality of guide wheels (601) are locked on the guide roller (6).