CN216585416U

CN216585416U - Bunchy yarn device of air texturing machine

Info

Publication number: CN216585416U
Application number: CN202121914766.2U
Authority: CN
Inventors: 刘勤
Original assignee: Suzhou Zhijing Textile Co ltd
Current assignee: Suzhou Zhijing Textile Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-05-24
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a bunchy yarn device of an air texturing machine, which comprises a stretching assembly, a bunchy control assembly and a driving assembly, wherein the stretching assembly is arranged on the bunchy control assembly; the stretching assembly comprises a plurality of groups of stretching rollers, and each group of stretching rollers comprises a roller and a rotating roller; the rollers are coaxially arranged with the corresponding gears, and the adjacent gears are meshed; the driving component is connected to the gear; the bamboo joint control assembly includes: the solenoid valve, the drive actuating cylinder who connects the solenoid valve to and connect the connecting rod of driving piston rod in the actuating cylinder, the connecting rod is connected to the both sides of rotatory roller. The action control of the vertical reciprocating motion of the piston rod in the cylinder is realized by controlling the interval rotation of the motor, and then the distance between the rotating roller and the roller is controlled, so that the drafting multiple is changed, and the bunchy yarns of different styles are obtained. The rotating speed of the turntable also determines the opening of the electromagnetic valve, so that the moving speed of a piston rod in the driving cylinder is controlled, the contact speed of the rotating roller and the roller is changed, and different bamboo joints are generated without changing the rotating speed of the roller.

Description

Bunchy yarn device of air texturing machine

Technical Field

The utility model relates to the technical field of textile machinery, in particular to a bunchy yarn device of an air texturing machine.

Background

Air texturing machines, also known as air jet texturing machines, utilize a compressed air jet process to treat the filaments to impart bulk and to impart certain characteristics to spun yarns, the product of which is known as air textured yarns. The cloth woven by the bunchy yarn device has obvious concave-convex feeling and good layering, and is suitable for the development of high-grade fabrics.

In the prior art, the air texturing machine does not change the diversity of yarns by adding a bamboo joint device; and the protofilament cannot be positioned and accurately held. Therefore, in order to overcome the defects of the prior art, the inventor innovates and improves the function of the air texturing machine through the bamboo joint device so as to reduce the added value of the protofilament and the positioning of the protofilament.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the bunchy yarn device of the air texturing machine.

In order to achieve the purpose, the utility model adopts the technical scheme that: the bunchy yarn device of the air texturing machine is characterized by comprising a stretching assembly, a bunchy control assembly and a driving assembly, wherein the bunchy control assembly is used for controlling the stretching assembly;

the stretching assembly comprises a plurality of groups of stretching rollers, and each group of stretching rollers comprises a roller and a rotating roller; the roller and the rotating roller are arranged in parallel; the roller is formed by connecting a plurality of single sections, and the surface of the roller is provided with a wire guide groove for positioning yarns; the rollers and the corresponding gears are coaxially arranged, and the adjacent gears are meshed; the drive assembly is connected to the gear;

the bamboo joint control assembly includes: the electromagnetic valve is connected with a driving cylinder of the electromagnetic valve, and a connecting rod connected with a piston rod in the driving cylinder is connected with two sides of the rotating roller; the electromagnetic valve controls the action of the piston rod in the cylinder to vertically reciprocate by opening and closing the air path, and the connecting rod drives the rotating roller to be close to or far away from the corresponding roller.

In a preferred embodiment of the utility model, the wire groove is a V-shaped line, and the groove depth of the V-shaped line is 0.2-0.3 mm.

In a preferred embodiment of the present invention, a leather case is disposed on the surface of the rotating roller, and the leather case is made of rubber.

In a preferred embodiment of the present invention, the bamboo joint control assembly further comprises a control motor, a speed reducer connected to the control motor, a rotating disc connected to an output shaft of the speed reducer, and a rotation speed sensor circumferentially disposed on the rotating disc.

In a preferred embodiment of the present invention, the rotation speed sensor is electrically connected to an ECU, and the ECU adjusts the opening degree of the electromagnetic valve by using the rotation speed signal of the turntable as a limiting condition.

In a preferred embodiment of the present invention, when the piston rod in the driving cylinder is at the maximum stroke, the motor is intermittently operated for 2-5 seconds.

In a preferred embodiment of the utility model, several sets of said stretching rollers are at the same height or at different heights.

In a preferred embodiment of the utility model, the number of teeth of adjacent gears is not the same.

In a preferred embodiment of the present invention, the stroke range of the piston rod in the driving cylinder is 60mm to 120 mm.

In a preferred embodiment of the utility model, the roller is of an integrated structure.

The utility model solves the defects in the background technology, and has the following beneficial effects:

(1) according to the device, the action control of the vertical reciprocating motion of the piston rod in the cylinder is realized by controlling the interval rotation of the motor, so that the distance between the rotating roller and the roller is controlled, the drafting multiple is changed, and the bunchy yarns with different styles are obtained.

(2) The surface of the roller is provided with a guide groove for positioning yarns. The wire groove is V-shaped lines, and the depth of the groove of the V-shaped lines is 0.2-0.3 mm. Through the design of V-shaped grains, the yarns can be gathered when passing through the wire guide grooves, the guiding and positioning effects are achieved, the inclination of the yarns is avoided, the disorder or the displacement of patterns is avoided, and the spinning quality is further improved.

(3) The rotating speed of the turntable also determines the opening of the electromagnetic valve, so that the moving speed of the piston rod in the driving cylinder is controlled, the contact speed of the rotating roller and the roller is changed, and different bamboo joints are generated without changing the rotating speed of the roller.

(4) The V-shaped grains can be machined by adopting common turning, the whole roller machining and cutting process can be finished on one lathe, repeated clamping and positioning are not needed, the machining error is small, and the turning precision is ensured.

(5) The center of the rotating roller is provided with the iron core of the bearing, the surface of the rotating roller is provided with the leather shell, the leather shell is made of rubber, the thickness of the leather shell is at least 2mm, and the leather shell plays a role in wear resistance. The leather shell is arranged on the surface of the rotating roller, so that the service life of the rotating roller is prolonged, and the production cost is reduced.

(6) In the utility model, each group of stretching rollers are arranged in parallel, and the middle roller and the rotating roller of each group of stretching rollers are also arranged in parallel. When the rotating roller is contacted with the roller, the rotating roller can automatically keep parallel with the roller, and the uniform tension is ensured when the spinning passes through the contact area of the rotating roller and the roller.

Drawings

The utility model is further explained below with reference to the figures and examples;

FIG. 1 is a schematic perspective view of a bunchy yarn device of an air texturing machine according to a preferred embodiment of the present invention;

FIG. 2 is a schematic perspective view of a bamboo joint control assembly according to a preferred embodiment of the present invention;

FIG. 3 is an enlarged view of a roller wire slot of a preferred embodiment of the present invention;

in the figure: 1. a stretching assembly; 11. a stretching roller; 12. a roller; 13. a rotating roller; 14. a gear; 15. a wire guide groove; 2. a bamboo joint control assembly; 21. an electromagnetic valve; 22. a driving cylinder; 23. a piston rod; 24. a connecting rod; 25. controlling the motor; 26. a speed reducer; 27. a turntable; 28. a rotational speed sensor; 3. a drive assembly.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the utility model in a schematic manner, and thus show only the constituents relevant to the utility model.

As shown in fig. 1 and fig. 2, a schematic perspective view of a slub yarn device of an air texturing machine according to the present invention is shown. The bunchy yarn device comprises a stretching assembly 1, a bunchy control assembly 2 used for controlling the stretching assembly 1, and a driving assembly 3 used for driving the stretching assembly 1.

As shown in fig. 1, the stretching assembly 1 is provided with a plurality of groups of stretching rollers 11, and each group of stretching rollers 11 comprises a roller 12 and a rotating roller 13. The roller 12 is formed by connecting a plurality of single sections, the single sections of the roller 12 are all cylinders, the roller 12 is of an integrated structure and is finished by adopting common turning. Several sets of stretching rollers 11 are at the same height or at different heights.

The center of the rotating roller 13 is provided with an iron core of a bearing, the surface of the rotating roller 13 is provided with a leather shell, the leather shell is made of rubber, the thickness of the leather shell is at least 2mm, and the leather shell plays a role in wear resistance. The leather case is arranged on the surface of the rotating roller 13, so that the service life of the rotating roller 13 is prolonged, and the production cost is reduced.

As shown in fig. 3, an enlarged view of the wire guide slots 15 of the roller 12 of the present invention is shown. In the utility model, the surface of the roller 12 is provided with a thread guide groove 15 for positioning the yarn. The wire groove 15 is a V-shaped line, and the depth of the groove of the V-shaped line is 0.2-0.3 mm. Through the design of V-shaped grains, the yarns can be gathered when passing through the wire guide groove 15, the guiding and positioning effects are achieved, the phenomenon that patterns are disordered or shifted due to the inclination of the yarns is avoided, and the spinning quality is further improved. The V-shaped grains can be machined by common turning, the whole machining and cutting process of the roller 12 can be finished on one lathe, repeated clamping and positioning are not needed, machining errors are small, and the turning precision is guaranteed.

In the present invention, each set of stretching rollers 11 is arranged in parallel, and the roller 12 and the rotating roller 13 in each set of stretching rollers 11 are also arranged in parallel. When the rotating roller 13 contacts the roller 12, the rotating roller 13 automatically keeps parallel with the roller 12, and the spinning has consistent tension when passing through the contact area of the rotating roller 13 and the roller 12.

In the utility model, the rollers 12 and the corresponding gears 14 are coaxially arranged, and the adjacent gears 14 are meshed. If the number of teeth of the adjacent gears 14 is not uniform, the draft ratio between the adjacent rollers 12 is not uniform. The drive assembly 3 is connected to a gear 14, in the present invention a motor drive is used. When the uppermost rotating roller 13 is far away from the corresponding roller 12 in fig. 1, the tension of the contact surface between the rotating roller 13 and the roller 12 disappears, and the draft multiple of the whole roller 12 is equal to the draft multiple of the lower two sets of meshing. When the uppermost rotating roller 13 contacts the corresponding roller 12 in fig. 1, the contact surface between the rotating roller 13 and the roller 12 has a uniform tension, and the draft ratio of the entire roller 12 is equal to the draft ratio between the uppermost and middle rollers 12 multiplied by the draft ratio of the lower two sets of intermeshing rollers.

The present invention also requires control of the moving stroke, moving speed or drawing forming speed of the uppermost rotating roller 13. The bamboo joint control component 2 comprises: an electromagnetic valve 21, a driving cylinder 22 connected to the electromagnetic valve 21, and a link 24 connected to a piston rod 23 in the driving cylinder 22, the link 24 being connected to both sides of the rotary roller 13. The electromagnetic valve 21 controls the action of the piston rod 23 in the cylinder to reciprocate vertically by opening and closing the air passage, and the connecting rod 24 drives the rotating roller 13 to approach or depart from the corresponding roller 12. The pressure of compressed air in the cylinder is 3-5 kg.

As shown in FIG. 2, the bamboo joint control assembly 2 of the present invention further comprises a control motor 25, a speed reducer 26 connected to the control motor 25, a rotating disc 27 connected to an output shaft of the speed reducer 26, and a rotation speed sensor 28 circumferentially disposed on the rotating disc 27. The rotation speed sensor 28 is electrically connected to the ECU, and the ECU adjusts the opening degree of the electromagnetic valve 21 using the rotation speed signal of the dial 27 as a limiting condition. The stroke range of the piston rod 23 in the driving cylinder 22 is 60mm to 120 mm. When the piston rod 23 in the driving cylinder 22 is in the maximum stroke, the motor is intermittent for 2-5 s. The size and the length of the slub yarn are determined by the length of the intermittent time, and the motor intermittent length is adjusted at will, so that slub yarns with different styles can be obtained.

In the present invention, the rotation speed of the turntable 27 also determines the opening degree of the electromagnetic valve 21, and further controls the movement speed of the piston rod 23 in the driving cylinder 22, so as to change the contact speed of the rotating roller 13 and the roller 12, thereby generating different bamboo joints without changing the rotation speed of the roller 12.

In addition, the feeding roller 12 is in constant speed under the condition of normal spinning, and the bamboo joints can be rapidly fed in a clearance type by controlling the roller 12, so that different bamboo joints are generated without changing the rotating speed of the roller 12. The device has stable quality and high efficiency in spinning bunchy yarn.

When the utility model is used, the control motor 25 drives the speed reducer 26 and the rotary table 27 to rotate at intervals, the rotating speed sensor 28 is electrically connected with the ECU, the ECU adjusts the opening degree of the electromagnetic valve 21 by taking a rotating speed signal of the rotary table 27 as a limiting condition, the electromagnetic valve 21 controls the action of the vertical reciprocating motion of the piston rod 23 in the cylinder by opening and closing an air passage, the connecting rod 24 drives the rotating roller 13 to be close to or far away from the corresponding roller 12, when the uppermost rotating roller 13 is far away from the corresponding roller 12, the tension of the contact surface of the rotating roller 13 and the roller 12 disappears, and the draft multiple of the whole roller 12 is equal to the draft multiple of the two groups of lower groups of engagement. When the uppermost rotating roller 13 contacts the corresponding roller 12, the contact surface of the rotating roller 13 and the roller 12 has consistent tension, and the draft multiple of the whole roller 12 is equal to the draft multiple between the uppermost and middle rollers 12 multiplied by the draft multiple of the two groups of meshed rollers below, so that the change of the draft multiple is realized, and the slubby yarns with different styles are obtained. In addition, the bamboo joints can be quickly fed in a clearance type by controlling the roller 12, so that different bamboo joints can be generated without changing the rotating speed of the roller 12.

In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The bunchy yarn device of the air texturing machine is characterized by comprising a stretching assembly, a bunchy control assembly and a driving assembly, wherein the bunchy control assembly is used for controlling the stretching assembly;

2. The bunchy yarn device of an air texturing machine according to claim 1, characterized in that: the wire groove is a V-shaped line, and the depth of the groove of the V-shaped line is 0.2-0.3 mm.

3. The bunchy yarn device of an air texturing machine according to claim 1, characterized in that: the surface of rotatory roller is provided with the leather sheath, the leather sheath is the rubber material.

4. The bunchy yarn device of an air texturing machine according to claim 1, characterized in that: the bamboo joint control assembly further comprises a control motor, a speed reducer connected with the control motor, a rotary table connected with an output shaft of the speed reducer, and a rotating speed sensor circumferentially arranged on the rotary table.

5. The slub yarn device of an air texturing machine according to claim 4, characterized in that: the rotation speed sensor is electrically connected with an ECU, and the ECU adjusts the opening degree of the electromagnetic valve by taking the rotation speed signal of the turntable as a limiting condition.

6. The slub yarn device of an air texturing machine according to claim 4, characterized in that: and when the piston rod in the driving cylinder is in the maximum stroke, the motor is controlled to be intermittent for 2-5 s.

7. The bunchy yarn device of an air texturing machine according to claim 1, characterized in that: several groups of the stretching rollers are on the same height or different heights.

8. The bunchy yarn device of an air texturing machine according to claim 1, characterized in that: the number of teeth of adjacent gears is not consistent.

9. The bunchy yarn device of an air texturing machine according to claim 1, characterized in that: the stroke range of the piston rod in the driving cylinder is 60 mm-120 mm.

10. The bunchy yarn device of an air texturing machine according to claim 1, characterized in that: the roller is of an integrated structure.