Tensioning device for winding yarn

Abstract

The utility model provides a tensioning device for winding yarn, which comprises a box body, a yarn guide assembly, a translation assembly and a driving mechanism, two sides of the box body are oppositely provided with a yarn inlet hole and a yarn outlet hole, the yarn guide assembly is fixedly arranged in the box body, the yarn is wound on the yarn guide assembly, the translation assembly is arranged in the box body, and the driving mechanism is arranged in the box body. The translation assembly comprises a driving top plate arranged at the top of the box body and a driving bottom plate arranged at the bottom of the box body, and the driving mechanism is fixedly arranged in the box body and provides power for vertical movement of the translation assembly. According to the tensioning device for winding the yarn, it is ensured that the yarn can smoothly pass through the tensioning device while being tightened through the arrangement of the yarn guide assembly, it is ensured that the tension of the yarn can be rapidly adjusted through the arrangement of the translation assembly, and the tension of the yarn can be rapidly adjusted through the arrangement of the elastic assembly. And the problem that the yarn is broken due to overlarge external force when the yarn is tightened is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of yarn tightening, and particularly relates to a tensioning device for yarn winding. Background Art

[0002] Yarn tensioning technology is crucial in the textile industry, which directly affects the quality and production cost of fabrics. During the textile process, the yarn needs to be properly tensioned to ensure the flatness and uniformity of the fabric. The traditional tensioning method is to reduce the yarn unwinding speed, but this method will cause uneven yarn tension and difficult control of the yarn unwinding speed, thus affecting the quality stability of the fabric.

[0003] Therefore, a tensioning device for yarn winding is proposed to play a certain tensioning role when winding the yarn, and avoid the problem of impact on the yarn during the operation, resulting in yarn breakage, ensuring the stable output of the yarn. Content of the Utility Model

[0004] The purpose of the utility model is to propose a tensioning device for yarn winding to solve the problem that the tightening effect of the existing tightening device for yarn winding is not ideal.

[0005] To achieve the above purpose, the technical solution of the utility model is realized as follows:

[0006] A tensioning device for yarn winding, comprising:

[0007] A box body, with an inlet hole and an outlet hole oppositely arranged on both sides of the box body; a wire guiding assembly, fixedly arranged inside the box body, and the yarn is wound around the wire guiding assembly; a translation assembly, arranged inside the box body, the translation assembly includes a driving top plate arranged on the top of the box body and a driving bottom plate arranged on the bottom of the box body; a driving mechanism, fixedly arranged inside the box body, providing power for the up and down movement of the translation assembly.

[0008] Furthermore, the wire guiding assembly includes a first pulley group and a second pulley group fixedly arranged on both sides of the top of the box body, a third pulley group fixedly arranged on the bottom of the driving top plate, and a fourth pulley group and a fifth pulley group arranged on both sides of the top of the driving bottom plate, the fourth pulley group is arranged between the first pulley group and the third pulley group, and the fifth pulley group is arranged between the second pulley group and the third pulley group.

[0009] Further, threaded holes are correspondingly arranged at the middle positions of the front and rear ends of the driving top plate and the driving bottom plate. Circular grooves are respectively arranged at the middle positions on both sides of the driving bottom plate. A cylindrical groove is arranged on the driving bottom plate at the bottom of the circular groove. An elastic component is arranged on the cylindrical groove. A through groove is arranged at the corner of the driving bottom plate. A sliding rod is arranged on the through groove, and both ends of the sliding rod are respectively fixed on the top and bottom of the box body.

[0010] Further, the elastic component includes a supporting circular plate slidably arranged at the bottom of the cylindrical groove, a guiding column fixedly arranged on the supporting circular plate, and a spring arranged outside the guiding column. The top of the guiding column penetrates through the circular groove and is respectively fixedly connected to the bottoms of the fourth pulley group and the fifth pulley group. Both ends of the spring are respectively fixedly arranged on the top of the supporting circular plate and the driving bottom plate at the top of the cylindrical groove.

[0011] Further, the driving mechanism includes a worm rotatably arranged on the top of the box body, and worm wheels arranged at both ends of the worm. The bottom of the worm wheel penetrates through the top of the box body and is rotatably connected to a main driving rod. A main driving wheel is arranged at the bottom of the main driving rod. A driven driving rod is rotatably arranged at the bottom of the main driving rod. A driven driving wheel is arranged at the top of the driven driving rod. An auxiliary driving wheel is arranged between the main driving wheel and the driven driving wheel. An auxiliary driving rod is arranged on the auxiliary driving wheel. Driving threads are arranged at the top of the main driving rod and the bottom of the driven driving rod.

[0012] Further, the main driving rod is arranged on the threaded hole of the driving top plate, and the driven driving rod is arranged on the threaded hole of the driving bottom plate.

[0013] Further, a support rod is arranged inside the box body, and both ends of the support rod are fixed at the middle positions of the front and rear two faces of the box body.

[0014] Further, the bottom of the main driving rod is rotatably arranged on the top of the support rod. Both ends of the driven driving rod are respectively rotatably arranged at the bottom of the support rod and the bottom of the box body. The auxiliary driving rod is rotatably arranged on both sides of the support rod.

[0015] Further, the first pulley group is arranged on one side close to the wire inlet hole.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] For the yarn winding tensioning device of the utility model, through the arrangement of the wire guiding component, it is ensured that the yarn can smoothly pass through the tensioning device while being tightened. Through the arrangement of the translation component, it is ensured that the tension of the yarn can be quickly adjusted. Through the arrangement of the elastic component, the problem that the yarn breaks due to excessive external force during tightening is avoided. Brief Description of the Drawings

[0018] The drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0019] Figure 1 It is the internal structure diagram of the tensioning device for yarn winding according to the embodiment of the present utility model;

[0020] Figure 2 It is the structural diagram of the connection of the worm and worm gear in the top view of the tensioning device for yarn winding according to the embodiment of the present utility model;

[0021] Figure 3 It is the overall schematic diagram of the driving base plate according to the embodiment of the present utility model;

[0022] Figure 4 It is the side sectional view of the driving base plate and the overall structural diagram of the elastic component according to the embodiment of the present utility model;

[0023] Figure 5 It is the overall schematic diagram of the driving top plate according to the embodiment of the present utility model;

[0024] Figure 6 It is the overall structural diagram of the driving mechanism according to the embodiment of the present utility model.

[0025] Description of the reference numerals: 1, box body; 101, wire inlet hole; 102, wire outlet hole; 103, support rod; 2, wire guiding assembly; 201, first pulley group; 202, second pulley group; 203, third pulley group; 204, fourth pulley group; 205, fifth pulley group; 3, translation assembly; 301, driving top plate; 302, driving base plate; 3021, circular groove; 3022, cylindrical groove; 3023, elastic component; 3024, through groove; 3025, sliding rod; 3026, supporting circular plate; 3027, guiding column; 3028, spring; 303, threaded hole; 4, driving mechanism; 401, worm; 402, worm gear; 403, main driving rod; 404, main driving wheel; 405, slave driving rod; 406, slave driving wheel; 407, auxiliary driving wheel; 408, auxiliary driving rod; 409, driving thread. Detailed Description of the Preferred Embodiments

[0026] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0027] In the description of the present utility model, it should be noted that if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, if terms such as "first", "second", etc. appear, they are also only for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, if terms such as "first", "second", etc. appear, they are also only for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0029] The present utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0030] This embodiment relates to a tensioning device for yarn winding. In terms of the overall structure, as Figure 1 shown, it includes a box body, a wire guiding assembly, a translation assembly, and a driving mechanism.

[0031] Among them, inlet holes 101 and outlet holes 102 are oppositely opened on both sides of the box body 1; the wire guiding assembly 2 is fixedly arranged inside the box body 1, and the yarn is wound around the wire guiding assembly 2; the translation assembly 3 is arranged inside the box body 1, and the translation assembly 3 includes a driving top plate 301 arranged on the top of the box body 1 and a driving bottom plate 302 arranged on the bottom of the box body 1; the driving mechanism 4 is fixedly arranged inside the box body 1 to provide power for the up and down movement of the translation assembly 3.

[0032] It is worth mentioning that the inlet hole 101 and the outlet hole 102 are respectively arranged on both sides of the box body 1 and have the same height, and are used for the yarn to enter and exit the box body 1. The wire guiding assembly 2 is installed inside the box body 1 and is used for pre-tightening the yarn before winding and guiding the yarn during its movement inside the box body 1. The driving top plate 301 is installed at the middle position of the inner top of the box body 1 and can move up and down under the action of the driving mechanism 4. The driving bottom plate 302 is installed at the middle position of the inner bottom of the box body 1 and can move up and down under the action of the driving mechanism 4. The driving mechanism 4 is installed inside the box body 1 and is used to provide power for the movement of the translation assembly 3.

[0033] Preferably, still as Figure 1As shown in the figure, in this embodiment, the wire assembly 2 includes a first pulley set 201 and a second pulley set 202 fixedly arranged on both sides of the top of the box body 1, a third pulley set 203 fixedly arranged at the bottom of the driving top plate 301, and a fourth pulley set 204 and a fifth pulley set 205 arranged on both sides of the top of the driving bottom plate 302. The fourth pulley set 204 is arranged between the first pulley set 201 and the third pulley set 203, and the fifth pulley set 205 is arranged between the second pulley set 202 and the third pulley set 203. The first pulley set 201 is arranged on the side close to the wire inlet hole 101.

[0034] It should be noted that the first pulley set 201 is fixedly installed on one side of the top of the box body 1 close to the wire inlet hole 101, the second pulley set 202 is fixedly installed on one side of the top of the box body 1 close to the wire outlet hole 102, the third pulley set 203 is fixedly installed at the bottom of the driving top plate 301, the fourth pulley set 204 and the fifth pulley set 205 are respectively located at the middle positions on both sides of the driving bottom plate 302. After the yarn enters the box body 1 from the wire inlet hole 101, it first winds around the pulleys of the first pulley set 201. After passing through the first pulley set 201, the yarn is obliquely pulled downward and winds around the pulleys of the fourth pulley set 204. After passing through the fourth pulley set 204, the yarn is obliquely pulled upward and winds around the pulleys of the third pulley set 203. After passing through the third pulley set 203, the yarn is obliquely pulled downward and winds around the pulleys of the fifth pulley set 205. After passing through the fifth pulley set 205, the yarn is obliquely pulled upward and winds around the pulleys of the second pulley set 202. After passing through the second pulley set 202, it is led out of the box body 1 from the wire outlet hole 102 and wound around the take-up roller.

[0035] Preferably, still as Figure 1 , Figure 3 , Figure 4 and Figure 5 shown, in this embodiment, threaded holes 303 are correspondingly arranged at the middle positions of the front and rear ends of the driving top plate 301 and the driving bottom plate 302. Circular grooves 3021 are respectively arranged at the middle positions on both sides of the driving bottom plate 302. A cylindrical groove 3022 is arranged on the driving bottom plate 302 at the bottom of the circular groove 3021. An elastic component 3023 is arranged on the cylindrical groove 3022. A through groove 3024 is arranged at the corner of the driving bottom plate 302. A sliding rod 3025 is arranged on the through groove 3024, and both ends of the sliding rod 3025 are respectively fixed to the top and bottom of the box body 1.

[0036] Specifically, the threaded holes 303 on the driving top plate 301 and the driving bottom plate 302 correspond to each other in the vertical direction, facilitating the installation of the driving mechanism 4. Circular grooves 3021 are provided at the middle positions on both sides of the driving bottom plate 302, and cylindrical grooves 3022 are provided at the bottoms of the two circular grooves 3021 for installing the elastic component 3023. Through grooves 3024 are provided at the corner positions of the driving bottom plate 302. The through grooves 3024 are smooth round holes. The driving bottom plate 302 is arranged on the sliding rod 3025 through the through grooves 3024. The two ends of the sliding rod 3025 are respectively fixed to the top and bottom of the box body 1, providing guidance and limitation for the up and down movement of the driving bottom plate 302 to ensure that the driving bottom plate 302 is more stable during lifting and lowering.

[0037] Preferably, still as Figure 1 and Figure 3 shown, in this embodiment, the elastic component 3023 includes a supporting circular plate 3026 slidably arranged at the bottom of the cylindrical groove 3022, a guiding column 3027 fixedly arranged on the supporting circular plate 3026, and a spring 3028 arranged outside the guiding column 3027. The top of the guiding column 3027 penetrates through the circular groove 3021 and is respectively fixedly connected to the bottoms of the fourth pulley group 204 and the fifth pulley group 205. The two ends of the spring 3028 are respectively fixedly arranged on the top of the supporting circular plate 3026 and the driving bottom plate 302 at the top of the cylindrical groove 3022.

[0038] Specifically, the elastic component 3023 is arranged in the cylindrical groove 3022. The supporting circular plate 3026 is slidably installed at the bottom of the cylindrical groove 3022. A guiding column 3027 is installed at the middle position of its top. A spring 3028 is arranged outside the guiding column 3027. The bottom of the spring 3028 is fixedly installed on the supporting circular plate 3026, and its top is fixed on the driving plate at the top of the cylindrical groove 3022. The top of the guiding column 3027 penetrates through the circular groove 3021 and is respectively connected to the bottoms of the fourth pulley group 204 and the fifth pulley group 205. Under the combined action of the supporting circular plate 3026, the guiding column 3027 and the spring 3028, the fourth pulley group 204 and the fifth pulley group 205 are respectively buffered to avoid problems such as yarn breakage when the yarn is tightened. When the spring 3028 is in a normal state, the supporting circular plate 3026 is located at the bottom of the cylindrical groove 3022. The fourth pulley group 204 and the fifth pulley group 205 are attached to the driving bottom plate 302, and the elastic force of the spring 3028 is slightly greater than the force acting on the fourth pulley group 204 and the fifth pulley group 205 when the yarn is tightened, avoiding the problem of the fourth pulley group 204 and the fifth pulley group 205 bouncing up and down when the yarn is tightened.

[0039] Preferably, as Figure 2 and Figure 6As shown in the figure, in this embodiment, the driving mechanism 4 includes a worm 401 rotatably arranged on the top of the box body 1 and worm wheels 402 arranged at both ends of the worm 401. The bottom of the worm wheel 402 penetrates through the top of the box body 1 and is rotatably connected to a main driving rod 403. A main driving wheel 404 is arranged at the bottom of the main driving rod 403. A driven driving rod 405 is rotatably arranged at the bottom of the main driving rod 403. A driven driving wheel 406 is arranged at the top of the driven driving rod 405. An auxiliary driving wheel 407 is arranged between the main driving wheel 404 and the driven driving wheel 406. An auxiliary driving rod 408 is arranged on the auxiliary driving wheel 407. Driving threads 409 are arranged at the top of the main driving rod 403 and the bottom of the driven driving rod 405.

[0040] Specifically, the worm wheel 402 is fixedly installed at the top of the main driving rod 403. The worm wheel 402 meshes with the worm 401. By driving the worm 401 to rotate, the worm wheel 402 is driven to rotate, and at the same time, the main driving rod 403 at the bottom of the worm wheel 402 is driven to rotate. A main driving wheel 404 is fixedly installed at the bottom of the main driving rod 403. The main driving wheel 404 meshes with the auxiliary driving wheels 407 on both sides of its bottom. The auxiliary driving wheel 407 meshes with the driven driving wheel 406 at the top of the driven driving rod 405. By driving the main driving rod 403 to rotate, the main driving wheel 404 is driven to rotate. The main driving wheel 404 drives the auxiliary driving wheel 407 to rotate. The auxiliary driving wheel 407 drives the driven driving wheel 406 to rotate. The driven driving wheel 406 drives the driven driving rod 405 to rotate. And after the transmission of the auxiliary driving wheel 407, the rotation directions between the main driving rod 403 and the driven driving rod 405 are opposite. The driving threads 409 are respectively arranged at the top of the main driving rod 403 and the bottom of the driven driving rod 405, and the rotations on the main driving rod 403 and the driven driving rod 405 are in opposite directions.

[0041] As a preference, still as Figure 1 、 Figure 3 、 Figure 5 and Figure 6 shown, in this embodiment, the main driving rod 403 is arranged on the threaded hole 303 of the driving top plate 301, and the driven driving rod 405 is arranged on the threaded hole 303 of the driving bottom plate 302. Specifically, the driving thread 409 sections of the main driving rod 403 and the driven driving rod 405 in the driving mechanism 4 are respectively threadedly connected to the threaded holes 303 of the driving top plate 301 and the driving bottom plate 302. By driving the main driving rod 403 to rotate, the driven driving rod 405 is driven to rotate at the same time, so that the driving top plate 301 and the driving bottom plate 302 move in the direction of approaching or separating at the same time, and the tightening operation of the yarn is more rapid.

[0042] As a preference, still as Figure 1As shown, in this embodiment, a support rod 103 is provided inside the box body 1, and both ends of the support rod 103 are fixed at the middle positions of the front and rear surfaces of the box body 1. The bottom of the main drive rod 403 is rotatably arranged on the top of the support rod 103, and both ends of the slave drive rod 405 are respectively rotatably arranged on the bottom of the support rod 103 and the bottom of the box body 1. The auxiliary drive rod 408 is rotatably arranged on both sides of the support rod 103. Specifically, the support rod 103 is installed inside the box body 1, and both ends of it are respectively fixed on the front and rear side walls of the box body 1, which is used to provide support for the rotation of the main drive rod 403, the slave drive rod 405 and the auxiliary drive rod 408, and can ensure the stability of the transmission of the drive mechanism 4 inside the box body 1.

[0043] For the yarn winding tensioning device of the present utility model, through the setting of the wire guiding assembly 2, it is ensured that the yarn can smoothly pass through the tensioning device while being tightened. Through the setting of the translation assembly 3, it is ensured that the yarn tension can be quickly adjusted. Through the setting of the elastic assembly 3023, the problem that the yarn breaks due to excessive external force during tightening is avoided.

[0044] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A tension device for yarn winding, characterized in that, Comprising: A box body (1), with inlet holes (101) and outlet holes (102) oppositely arranged on both sides of the box body (1); A wire assembly (2), fixedly arranged inside the box body (1), with yarn wound around the wire assembly (2); A translation assembly (3), arranged inside the box body (1), the translation assembly (3) includes a driving top plate (301) arranged on the top of the box body (1) and a driving bottom plate (302) arranged on the bottom of the box body (1); A driving mechanism (4), fixedly arranged inside the box body (1), providing power for the up and down movement of the translation assembly (3).

2. The tensioning device for yarn winding according to claim 1, characterized in that: The wire assembly (2) includes a first pulley group (201) and a second pulley group (202) fixedly arranged on both sides of the top of the box body (1), a third pulley group (203) fixedly arranged on the bottom of the driving top plate (301), and a fourth pulley group (204) and a fifth pulley group (205) arranged on both sides of the top of the driving bottom plate (302), the fourth pulley group (204) is arranged between the first pulley group (201) and the third pulley group (203), and the fifth pulley group (205) is arranged between the second pulley group (202) and the third pulley group (203).

3. The tensioning device for yarn winding according to claim 2, characterized in that: Threaded holes (303) are correspondingly arranged at the middle positions of the front and rear ends of the driving top plate (301) and the driving bottom plate (302), circular grooves (3021) are respectively arranged at the middle positions on both sides of the driving bottom plate (302), a cylindrical groove (3022) is arranged on the driving bottom plate (302) at the bottom of the circular groove (3021), an elastic component (3023) is arranged on the cylindrical groove (3022), through grooves (3024) are arranged at the corners of the driving bottom plate (302), sliding rods (3025) are arranged on the through grooves (3024), and both ends of the sliding rods (3025) are respectively fixed to the top and bottom of the box body (1).

4. The tensioning device for yarn winding according to claim 3, characterized in that: The elastic component (3023) includes a supporting circular plate (3026) slidably arranged at the bottom of the cylindrical groove (3022), a guiding column (3027) fixedly arranged on the supporting circular plate (3026), and a spring (3028) arranged on the outside of the guiding column (3027), the top of the guiding column (3027) penetrates through the circular groove (3021) and is respectively fixedly connected to the bottoms of the fourth pulley group (204) and the fifth pulley group (205), and both ends of the spring (3028) are respectively fixedly arranged on the top of the supporting circular plate (3026) and the driving bottom plate (302) at the top of the cylindrical groove (3022).

5. The tensioning device for yarn winding according to claim 3, characterized in that: The driving mechanism (4) includes a worm (401) rotatably arranged on the top of the box body (1), and worm wheels (402) arranged at both ends of the worm (401). The bottom of the worm wheel (402) penetrates through the top of the box body (1) and is rotatably connected to a main driving rod (403). A main driving wheel (404) is arranged at the bottom of the main driving rod (403). A secondary driving rod (405) is rotatably arranged at the bottom of the main driving rod (403). A secondary driving wheel (406) is arranged at the top of the secondary driving rod (405). An auxiliary driving wheel (407) is arranged between the main driving wheel (404) and the secondary driving wheel (406). An auxiliary driving rod (408) is arranged on the auxiliary driving wheel (407). Driving threads (409) are arranged at the top of the main driving rod (403) and the bottom of the secondary driving rod (405).

6. The yarn winding tensioning device according to claim 5, wherein: The main driving rod (403) is arranged on the threaded hole (303) of the driving top plate (301), and the secondary driving rod (405) is arranged on the threaded hole (303) of the driving bottom plate (302).

7. The yarn winding tensioning device according to claim 5, wherein: A support rod (103) is arranged inside the box body (1), and both ends of the support rod (103) are fixed at the middle positions of the front and rear surfaces of the box body (1).

8. The yarn winding tensioning device according to claim 7, wherein: The bottom of the main driving rod (403) is rotatably arranged on the top of the support rod (103), both ends of the secondary driving rod (405) are respectively rotatably arranged at the bottom of the support rod (103) and the bottom of the box body (1), and the auxiliary driving rod (408) is rotatably arranged on both sides of the support rod (103).

9. The yarn winding tensioning device according to claim 2, wherein: The first pulley group (201) is arranged on one side close to the inlet hole (101).

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