Crossed double-thread rotary false twisting device

Abstract

The utility model discloses a crossed double-thread rotary false twisting device which comprises two threaded rods which are distributed in a crossed mode and are symmetrical in thread, the two threaded rods can rotate in the axial direction of the two threaded rods, the rotating directions of the two threaded rods are opposite, and a sliver is located at the crossed position of the two threaded rods. And the threaded rods can be in contact with the groove walls of the threaded grooves of the two threaded rods. Three-dimensional control arrangement and all-dimensional transverse dynamic gathering are carried out on upper fibers in different directions of slivers through pushing force of the two threaded rods in different directions, the false twisting effect generates an untwisting effect on the slivers at the two free ends, and part of short fiber edges are evenly stretched and straightened. Uniform flock edge fibers are twisted again through three-dimensional control and transverse dynamic gathering of the false twisting device and longitudinal winding and conveying of slivers, so that surface fibers are tightly wound again, yarn neps are reduced, the surface property is improved, the problems of broken ends and the like in the spinning process are solved, and meanwhile the device is simple in structure and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of textile processing, in particular to a cross double-thread rotary false twist device. Background Art

[0002] Traditional ring spinning machines have unique twisting methods and yarn structures. However, the high yarn breakage rate during twisting is a problem in the traditional ring spinning process. Currently, textile workers have proposed a method of using false twisting to assist spinning to reduce problems such as yarn breakage during spinning.

[0003] At present, there are two methods for applying false twist: mechanical contact and air flow contact. However, from the perspective of practical feasibility, only mechanical contact center rotation false twist is relatively convenient to implement and is also widely used. However, other various false twist forms are basically not used in practice due to poor actual effects, overly complex mechanisms, or even other additional problems during application. In addition, the current false twist mechanism, such as the invention of Chinese patent number CN02118588.3 entitled "Processing method and equipment for single-strand torque-free ring yarn", has a complex structure and complex operation. Therefore, a cross double-thread rotary false twist device is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a cross double-thread rotary false twisting device which has a simple structure and reduces yarn breakage during the spinning process.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a cross double-thread rotary false twist device, involving a yarn strip of approximately cylindrical shape, including two cross-distributed and threaded symmetrical threaded rods, and both of the two threaded rods can rotate along their own axes, and the rotation directions of the two threaded rods are opposite, the yarn strip is located at the intersection of the two threaded rods, and can contact the groove walls of the thread grooves of the two threaded rods.

[0006] Furthermore, it also includes two motors corresponding to the two threaded rods, and each threaded rod is threadedly connected to the corresponding motor.

[0007] Furthermore, it also includes a base and two turntables rotatably arranged on the base, and the two motors are respectively arranged on the two turntables.

[0008] Furthermore, each of the turntables is provided with a through hole, and the base is provided with a plurality of threaded holes at positions corresponding to the turntables, and the plurality of threaded holes are distributed along the circumference of the corresponding turntables, and any of the threaded holes can be fixed to the through hole by a reinforcing screw.

[0009] Furthermore, the base is provided with two bearings corresponding to the two turntables one by one, and the turntable is provided with a plurality of plugs, the outer ring of the bearing is provided with a plurality of slots corresponding to the plurality of plugs one by one, and the plugs are plugged into and matched with the corresponding slots.

[0010] Furthermore, it also includes a magnetic steel shaft arranged on the base and located at the center of the bearing, and the magnetic steel shaft can adsorb the motor.

[0011] Furthermore, a plug post with a polygonal cross section is provided at the bottom of the magnetic steel shaft, a groove matching the plug post is provided on the base, and the plug is plugged into and fits in the groove.

[0012] The beneficial effects of the utility model are embodied in:

[0013] The utility model cross double thread rotary false twist device first pushes the yarn to move in one direction in the thread groove of the thread rod through the thread peak of a thread rod, and then pushes the yarn to move in the opposite direction in the thread groove of the thread rod through the thread peak of another thread rod. During the whole movement process, the yarn is rubbed and turned along the side wall of the thread groove, and the yarn is falsely twisted in the process of friction and turning. The false twist method of the cross rotary thread performs three-dimensional control and omnidirectional horizontal dynamic aggregation on the upper fibers of the yarn in different directions, and at the same time produces an untwisting effect on the short flannel fibers of the yarn at the two free ends of the false twist point due to the transmission effect of the yarn twist.

[0014] When false twisting is applied twice as mentioned above, the driving forces of the two threaded rods in different directions perform three-dimensional controlled arrangement and all-round horizontal dynamic aggregation on the upper fibers in different directions of the yarn. At the same time, the false twisting action produces an untwisting effect on part of the yarn at both free ends, and some short pile edge fibers are evenly stretched and straightened. The three-dimensional control and horizontal dynamic aggregation of the false twist device plus the longitudinal winding and conveying of the yarn twist the uniform short pile edge fibers again, making the surface fibers tightly entangled again, thereby reducing yarn knots, improving surface properties and reducing problems such as breakage during spinning. At the same time, the device has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the cross double thread rotary false twist device of the utility model in use state;

[0016] Figure 2 This is a top view of the structure of the cross double thread rotary false twist device of the utility model;

[0017] Figure 3 This is a partial structural exploded view of the cross double thread rotary false twist device of the utility model;

[0018] Figure 4This is a schematic diagram of the bearing structure of the utility model;

[0019] Figure 5 This is a bottom view of the turntable structure of the utility model;

[0020] Figure 6 It is a schematic diagram of the magnetic steel shaft structure of the utility model.

[0021] The components in the accompanying drawings are marked as follows: 1. yarn strip; 2. threaded rod; 3. motor; 4. base; 401. threaded hole; 402. magnetic steel shaft; 403. plug; 5. turntable; 501. through hole; 502. plug; 6. reinforcement screw; 7. bearing; 701. outer ring; 7011. slot; 8. front roller; 9. wire ring; 10. bobbin; 11. twisting triangle; 12. front leather roller; 13. yarn guide hook. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 and Figure 2 .

[0024] It should be noted that the utility model device is used together with the front roller 8, the front leather roller 12, the yarn guide hook 13, the wire ring 9, and the bobbin 10, and is arranged at the outlet end of the front roller 8. After being drawn, the fiber strips are drawn and output by the front roller 8 and the front leather roller 12 and are in the shape of a flat belt. Due to the high-speed rotating wire ring 9 and the bobbin 10, the yarn twist is first transmitted from bottom to top in sequence, and then rotates around the axis at the twisting point of the twisting triangle area 11, and the width gradually shrinks, changing from a flat belt to a nearly cylindrical yarn strip 1.

[0025] The utility model discloses a cross double-thread rotary false twist device, which relates to a yarn strip 1 of approximately cylindrical shape, comprising two cross-distributed and threaded symmetrical threaded rods 2, wherein the two threaded rods 2 can rotate along their own axes, and the rotation directions of the two threaded rods 2 are opposite, and the yarn strip 1 is located at the intersection of the two threaded rods 2 and can contact the groove walls of the thread grooves of the two threaded rods 2.

[0026] The utility model cross double thread rotary false twist device first pushes the yarn 1 through the thread peak of a threaded rod to move in one direction in the thread groove of the threaded rod 2, and then pushes the yarn 1 through the thread peak of another threaded rod to move in the opposite direction in the thread groove of the threaded rod 2. During the whole left-right movement of the yarn 1, the yarn 1 undergoes friction flipping along the side wall of the thread groove, and the yarn 1 produces false twist during the friction flipping process. The false twist method of the cross rotary thread performs three-dimensional control and omnidirectional horizontal dynamic aggregation on the upper fibers of the yarn 1 in different directions, and at the same time produces an untwisting effect on some short flannel fibers of the yarn 1 at the free ends of the false twist point.

[0027] Due to the transmission effect of the twist of the yarn 1, when the false twist is applied twice, the driving forces in different directions of the two threaded rods 2 perform three-dimensional control and finishing and all-round horizontal dynamic aggregation on the fibers on the sides of the yarn 1 in different directions. At the same time, the false twisting effect produces an untwisting effect on the two free ends of the yarn 1, and some short flannel fibers are evenly stretched and straightened. The three-dimensional control and horizontal dynamic aggregation of the false twist device plus the longitudinal winding and transportation of the yarn 1 twist the uniform short flannel fibers again, so that the surface fibers are tightly wound again, thereby reducing yarn neps, improving surface properties and reducing problems such as broken ends during spinning. At the same time, the device has a simple structure and is easy to operate.

[0028] And in this embodiment, the two threaded rods 2 are arranged in high and low positions, and the height difference ranges from 0.1 to 5 cm;

[0029] And in this embodiment, the upper threaded rod 2 of the two threaded rods 2 drives the yarn 1 to move rightward, and the lower threaded rod 2 drives the yarn 1 to move leftward.

[0030] In one embodiment, see Figure 2 , and also includes two motors 3 corresponding to the two threaded rods 2, and each threaded rod 2 is threadedly connected to the corresponding motor 3. This design allows the threaded rod 2 to be replaceable, and threaded rods 2 with different pitches, different thread groove depths, and different outer nut thread lengths can be selected to adjust the twist size of the false twisting effect, and the threaded connection is easy to disassemble and install.

[0031] In one embodiment, see Figure 2 , and also includes a base 4 and two turntables 5 respectively rotatably arranged on the base 4, and the two motors 3 are respectively arranged on the two turntables 5. In this way, the crossing angle 2 between the two threaded rods 2 can be adjusted to adjust the twist size of the false twisting effect.

[0032] In one embodiment, see Figure 3, each of the turntables 5 is provided with a through hole 501, and the base 4 is provided with a plurality of threaded holes 401 at positions corresponding to the turntables 5, and the plurality of threaded holes 401 are distributed along the circumference of the corresponding turntables 5, and any of the threaded holes 401 can be fixed to the through hole 501 by a reinforcing screw 6. With this design, the cross angle 2 between the two threaded rods 2 can be adjusted by fixing the threaded holes 401 with different through holes 501 by reinforcing screws 6, and the structure is simple and easy to operate. In this embodiment, the base 4 is provided with 12 threaded holes 401 at positions corresponding to each turntable 5, and the 12 threaded holes 401 are evenly distributed, and the angle between each two adjacent threaded holes 401 is 30°.

[0033] In one embodiment, see Figure 3-5 The base 4 is provided with two bearings 7 corresponding to the two rotating disks 5, and the rotating disk 5 is provided with a plurality of plugs 502. The outer ring 701 of the bearing 7 is provided with a plurality of slots 7011 corresponding to the plurality of plugs 502, and the plugs 502 are plugged into and matched with the corresponding slots 7011. In this design, the rotating disk 5 and the bearing 7 are fixed by plugging and matching the slots 7011 and the plugs 502, and the rotating disk 5 and the base 4 are rotated. The structure is simple and easy to disassemble and assemble.

[0034] In one embodiment, see Figure 3 , further comprising a magnetic steel shaft 402 disposed on the base 4 and located at the center of the bearing 7, and the magnetic steel shaft 402 can absorb the motor 3. This design makes the motor 3 easy to disassemble and assemble.

[0035] In one embodiment, see Figure 6 The bottom of the magnetic steel shaft 402 is provided with a plug 403 with a polygonal cross section, the base 4 is provided with a groove matching the plug 403, and the plug 502 is plugged into the groove. This design makes the connection between the magnetic steel shaft 402 and the base 4 have strong stability, and in this embodiment, the cross section of the plug 403 is a regular hexagon.

[0036] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0037] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes that satisfy both A and B. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0038] It should be understood that the examples and implementation modes described herein are for illustrative purposes only and are not intended to limit the present invention. Those skilled in the art may make various modifications or changes based on the examples and implementation modes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cross double thread rotary false twist device, involving a nearly cylindrical yarn (1), characterized in that , comprising two cross-distributed and symmetrically threaded rods (2), wherein both of the threaded rods (2) can rotate along their own axes, and the rotation directions of the two threaded rods (2) are opposite, and the yarn strip (1) is located at the intersection of the two threaded rods (2) and can contact the groove walls of the thread grooves of the two threaded rods (2); It also includes two motors (3) corresponding to the two threaded rods (2) one by one, and each threaded rod (2) is threadedly connected to the corresponding motor (3); It also comprises a base (4) and two turntables (5) respectively rotatably arranged on the base (4), and the two motors (3) are respectively arranged on the two turntables (5).

2. The cross double thread rotary false twist device according to claim 1 is characterized in that Each of the turntables (5) is provided with a through hole (501), and the base (4) is provided with a plurality of threaded holes (401) at positions corresponding to the turntables (5), and the plurality of threaded holes (401) are distributed along the circumference of the corresponding turntables (5), and any of the threaded holes (401) can be fixed to the through hole (501) by a reinforcing screw (6).

3. The cross double thread rotary false twist device according to claim 1 is characterized in that The base (4) is provided with two bearings (7) corresponding one-to-one to the two turntables (5), and the turntable (5) is provided with a plurality of plugs (502); the outer ring (701) of the bearing (7) is provided with a plurality of slots (7011) corresponding one-to-one to the plurality of plugs (502), and the plugs (502) are plugged into and matched with the corresponding slots (7011).

4. The cross double thread rotary false twist device according to claim 3 is characterized in that , and also includes a magnetic steel shaft (402) disposed on the base (4) and located at the center of the bearing (7), and the magnetic steel shaft (402) can adsorb the motor (3).

5. The cross double thread rotary false twist device according to claim 4 is characterized in that The bottom of the magnetic steel shaft (402) is provided with a plug post (403) with a polygonal cross section, the base (4) is provided with a groove matching the plug post (403), and the plug (502) is plugged into and matched with the groove.

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