Winding device

By designing a winding device including a frame, a winding mechanism and a yarn guide structure, the problem of yarn defects caused by friction and tube yarn breakage during the weaving of glass fiber electronic fabrics is solved, and the yarn is replaced or supplemented in time, and the product quality is improved.

CN223149938UActive Publication Date: 2025-07-25JUSHI GRP CO
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Patent Information

Application Number
CN202422241715.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-07-25
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

During the weaving of glass fiber electronic fabrics, the yarn is prone to cause bleaching defects due to high-speed friction, which affects product quality. The yarn breakage of the tube yarn will affect production. A device that can replace or supplement a single yarn in time is needed to avoid defects and quality influences.

Method used

A winding device is designed, including a frame, a winding mechanism, a first driving mechanism and a yarn guide structure. The first driving mechanism drives the winding mechanism to rotate, and the second driving mechanism drives the yarn guide structure to move reciprocatingly along the preset path, so that the yarn reciprocating movement on the winding mechanism, and realizes winding of a single yarn.

Benefits of technology

Timely replacement or filling of abnormal tube yarns is achieved to avoid defects in the weaving fabric and improve product appearance quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223149938U_ABST
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Abstract

The utility model discloses a winding device, and relates to the technical field of fiber production equipment. The winding device comprises a rack; the winding mechanism is arranged on the rack and used for winding the yarn; the first driving mechanism is arranged on the rack, and the first driving mechanism is connected with the winding mechanism and used for driving the winding mechanism to rotate; the yarn guiding structure is located on one side of the winding mechanism and used for guiding the yarn; the second driving mechanism is arranged on the rack, the second driving mechanism is connected with the yarn guiding structure and used for driving the yarn guiding structure to reciprocate along a preset path so that the yarn can be wound to the winding mechanism, and the preset path is parallel to the plane where the axis of the winding mechanism is located. According to the winding device, winding of a single yarn can be achieved, so that abnormal cop can be replaced or supplemented in time, and defects in weaving and the influence on the appearance quality of products are avoided.
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Description

Technical Field

[0001] This application relates to the technical field of fiber production equipment, and particularly to a winding device. Background Art

[0002] During the weaving process of fiberglass electronic cloth, due to the high-speed friction between the yarn and the drop wires, reed tools, etc., the yarn is prone to warp fuzz defects, affecting the product quality and appearance. Therefore, before weaving, it is necessary to size the yarn to protect the yarn, improve the wear resistance of the yarn, and reduce the generation of fabric defects.

[0003] After sizing the cheese yarn through the sizing and beam forming processes, it is evenly wound onto the loom beam according to a certain yarn density for fabric production. However, during the preparation process, the cheese yarn may break due to various reasons, affecting the production. Therefore, a device capable of winding a single yarn is needed to facilitate the timely replacement or replenishment of abnormal cheese yarn. Utility Model Content

[0004] To solve the above technical problems, this application provides a winding device that can wind a single yarn, so as to facilitate the timely replacement or replenishment of abnormal cheese yarn, and avoid the generation of defects in weaving and the impact on the appearance quality of the product.

[0005] This application provides a winding device, and the winding device includes:

[0006] A frame;

[0007] A winding mechanism, arranged on the frame, for winding the yarn;

[0008] A first driving mechanism, arranged on the frame, the first driving mechanism is connected to the winding mechanism, and is used to drive the winding mechanism to rotate;

[0009] A yarn guiding structure, located on one side of the winding mechanism, for guiding the yarn;

[0010] A second driving mechanism, arranged on the frame, the second driving mechanism is connected to the yarn guiding structure, and is used to drive the yarn guiding structure to reciprocate along a preset path, so that the yarn is wound onto the winding mechanism, and the preset path is parallel to the plane where the axis of the winding mechanism is located.

[0011] In some embodiments of this application, the winding mechanism includes:

[0012] A gauze, arranged on the frame, for winding the yarn;

[0013] A connecting structure, arranged at both ends of the leno, for limiting the position of the leno;

[0014] The first driving mechanism is connected to the connecting structure, and drives the connecting structure to rotate, thereby driving the leno to rotate.

[0015] In some embodiments of the present application, the first driving mechanism includes:

[0016] A first driving motor is arranged on the frame;

[0017] The driving wheel is meshed with the winding mechanism, and the output shaft of the first driving motor is fixedly connected to the driving wheel for driving the driving wheel to rotate.

[0018] In some embodiments of the present application, the second driving mechanism includes:

[0019] A second driving motor is arranged on the frame;

[0020] A first sector wheel, fixedly connected to an output shaft of the second drive motor;

[0021] The second sector wheel is meshed with the first sector wheel, and one end of the second sector wheel facing away from the first sector wheel is fixedly connected to the yarn guide structure.

[0022] In some embodiments of the present application, the yarn guiding structure includes a connecting rod, a first yarn guiding rod and a second yarn guiding rod arranged opposite to each other, and a channel for the yarn to pass through is provided between the first yarn guiding rod and the second yarn guiding rod;

[0023] One end of the connecting rod is fixedly connected to one end of the first yarn guide rod and the second yarn guide rod away from the winding mechanism, and the other end of the connecting rod is fixedly connected to the second driving mechanism.

[0024] In some embodiments of the present application, a first arcuate groove is provided on the frame, and one end of the first yarn guide rod and the second yarn guide rod close to the winding mechanism passes through the first arcuate groove, and the first yarn guide rod and the second yarn guide rod reciprocate along the first arcuate groove.

[0025] In some embodiments of the present application, a second arc-shaped groove is provided on the frame, and the second arc-shaped groove is spaced apart and arranged on one side of the first arc-shaped groove;

[0026] The winding device further comprises a limiting structure arranged on the second arc-shaped groove, and the limiting structure is used to limit the moving path of the yarn guiding structure.

[0027] In some embodiments of the present application, the winding device further includes a fixing mechanism, and the fixing mechanism includes:

[0028] At least one first connecting rod, one end of at least one of the first connecting rods is connected to the winding mechanism for supporting the winding mechanism;

[0029] A second connecting rod, one end of the second connecting rod is arranged to intersect with the other end of the first connecting rod;

[0030] A counterweight, the counterweight is fixedly connected to the other end of the second connecting rod.

[0031] In some embodiments of the present application, the fixing mechanism further includes a fixing rod, one end of the fixing rod is fixedly connected to the frame, and the other end of the fixing rod is connected to the other end of the first connecting rod.

[0032] In some embodiments of the present application, the winding mechanism further includes a support shaft, and the gauze of the winding mechanism is arranged on the support shaft;

[0033] A strip-shaped groove is arranged at one end of the first connecting rod, and the support shaft is arranged in the strip-shaped groove.

[0034] The technical solution provided by the present application may include the following beneficial effects:

[0035] In the present application, the winding mechanism is driven to rotate by the first driving mechanism, so that the yarn is wound onto the winding mechanism. The yarn guiding structure is driven by the second driving mechanism to reciprocate along a preset path, so that the yarn makes a reciprocating motion on the winding mechanism while being wound, and a single yarn can be made into a cheese, which is convenient for timely replacing or supplementing abnormal cheeses, and avoiding the generation of defects in weaving and the influence on the appearance quality of products.

[0036] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The drawings herein are incorporated into the specification and form a part of the specification, showing embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application.

[0038] Figure 1 is a schematic structural diagram of a winding device from one perspective shown according to an exemplary embodiment.

[0039] Figure 2 is a schematic structural diagram of a winding device from another perspective shown according to an exemplary embodiment.

[0040] Figure 3 is a schematic structural diagram of a second driving mechanism shown according to an exemplary embodiment.

[0041] Figure 4 isFigure 3 Partial enlarged view at A in the middle.

[0042] Reference numerals

[0043] 1. Frame; 11. First support part; 111. First arc groove; 112. Second arc groove; 12. Second support part; 2. Winding mechanism; 21. Gauze; 22. Connection structure; 23. Support shaft; 3. First driving mechanism; 31. First driving motor; 32. Driving wheel; 4. Yarn guiding structure; 41. Connecting rod; 42. First yarn guiding rod; 43. Second yarn guiding rod; 44. Channel; 5. Second driving mechanism; 51. Second driving motor; 52. First sector wheel; 53. Second sector wheel; 6. Limiting structure; 7. Fixing mechanism; 71. First connecting rod; 711. Strip groove; 712. Protective layer; 72. Second connecting rod; 73. Counterweight; 74. Fixing rod; 75. Axle pin; 76. Third connecting rod. Specific embodiments

[0044] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are some, but not all, of the embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of this application without creative efforts shall fall within the scope of protection of this application. It should be noted that, without conflict, the embodiments in this application and the features in the embodiments may be combined with each other arbitrarily.

[0045] This application provides a winding device, including a frame, a winding mechanism, a first driving mechanism, a yarn guiding structure, and a second driving mechanism. The winding mechanism is arranged on the frame and is used for winding yarn; the first driving mechanism is arranged on the frame and is connected to the winding mechanism for driving the winding mechanism to rotate; the yarn guiding structure is located on one side of the winding mechanism and is used for guiding the yarn; the second driving mechanism is arranged on the frame and is connected to the yarn guiding structure. By driving the winding mechanism to rotate through the first driving mechanism, the yarn is wound onto the winding mechanism. By driving the yarn guiding structure to reciprocate along a preset path through the second driving mechanism, the yarn makes a reciprocating movement on the winding mechanism while being wound, and a single yarn can be made into a cheese, so as to facilitate timely replacement or replenishment of abnormal cheeses, and avoid the generation of defects in weaving and the impact on the appearance quality of the product.

[0046] Some of the specific embodiments described below are intended to facilitate the understanding of those skilled in the art of this embodiment, and this embodiment is not limited to some of the specific embodiments described below.

[0047] Such as Figure 1As shown in the figure, an exemplary embodiment of the present application provides a winding device, including a frame 1, a winding mechanism 2, a first driving mechanism 3, a yarn guiding structure 4 and a second driving mechanism 5. The winding mechanism 2 is arranged on the frame 1 and is used for winding yarn. The first driving mechanism 3 is arranged on the frame 1 and is connected to the winding mechanism 2 for driving the winding mechanism 2 to rotate. The yarn guiding structure 4 is located on one side of the winding mechanism 2 and is used for guiding the yarn. The second driving mechanism 5 is arranged on the frame 1 and is connected to the yarn guiding structure 4 for driving the yarn guiding structure 4 to reciprocate along a preset path, so that the yarn is wound onto the winding mechanism 2, and the preset path is parallel to the plane where the axis of the winding mechanism 2 is located.

[0048] In this embodiment, the second driving mechanism 5 drives the yarn guiding structure 4 to reciprocate along the preset path, so that the yarn makes a reciprocating movement on the winding mechanism 2 while being wound, and a single yarn can be made into a cheese, which is convenient for timely replacing or supplementing abnormal cheeses, and avoiding the generation of defects in weaving and the influence on the appearance quality of the product.

[0049] In one embodiment, as Figure 1 and Figure 2 shown, the winding mechanism 2 includes a gauze 21 and a connecting structure 22. The gauze 21 is arranged on the frame 1 and is used for winding yarn. The connecting structure 22 is arranged at both ends of the gauze 21 and is used for limiting the gauze 21. The first driving mechanism 3 is connected to the connecting structure 22 and drives the connecting structure 22 to rotate to drive the gauze 21 to rotate.

[0050] In this embodiment, the connecting structure 22 is located at both ends of the gauze 21 and can play two roles. On the one hand, it can limit the gauze 21 to prevent the position of the gauze 21 from shifting during rotation. On the other hand, the first driving mechanism 3 drives the connecting structure 22 to rotate to drive the gauze 21 to rotate, so that the yarn can be wound onto the gauze 21.

[0051] In one embodiment, the first driving mechanism 3 includes a first driving motor 31 and a driving wheel 32. The first driving motor 31 is arranged on the frame 1. The driving wheel 32 is meshed with the winding mechanism 2, and the output shaft of the first driving motor 31 is fixedly connected to the driving wheel 32 for driving the driving wheel 32 to rotate.

[0052] In this embodiment, the first driving motor 31 drives the driving wheel 32 to rotate, thereby driving the winding mechanism 2 meshed with the driving wheel 32 to rotate to realize the winding of the yarn. Among them, the connecting structure 22 can be made of a toothed nylon workpiece, and this toothed nylon workpiece can be used as a driven wheel to mesh with the driving wheel 32. The first driving motor 31 drives the driving wheel 32 to rotate to drive the connecting structure 22 meshed with the driving wheel 32 to rotate, thereby driving the gauze 21 to rotate.

[0053] In one embodiment, if Figure 1 and Figure 3 As shown, the second driving mechanism 5 includes a second driving motor 51, a first sector wheel 52 and a second sector wheel 53, and the second driving mechanism 5 is arranged on the frame 1; the first sector wheel 52 is fixedly connected to the output shaft of the second driving motor 51; the second sector wheel 53 is meshed with the first sector wheel 52, and the end of the second sector wheel 53 facing away from the first sector wheel 52 is fixedly connected to the yarn guiding structure 4.

[0054] In this embodiment, the first sector wheel 52 is driven to rotate by the second driving motor 51 to drive the second sector wheel 53 meshing with the first sector wheel 52 to rotate, thereby driving the yarn guide structure 4 connected to the second sector wheel 53 to reciprocate along a preset path, so that the yarn is wound onto the leno 21. Among them, the first sector wheel 52 and the second sector wheel 53 have the same structure, both of which are semicircular sector wheels, and the arc surfaces of the first sector wheel 52 and the second sector wheel 53 are tooth structures, which mesh with each other, and the reciprocating movement of the yarn guide structure 4 can be realized through the movement of the first sector wheel 52 and the second sector wheel 53.

[0055] In one embodiment, if Figure 3 and Figure 4 As shown, the yarn guiding structure 4 includes a connecting rod 41, a first yarn guiding rod 42 and a second yarn guiding rod 43 arranged opposite to each other, and a channel 44 for the yarn to pass through is provided between the first yarn guiding rod 42 and the second yarn guiding rod 43; one end of the connecting rod 41 is fixedly connected to one end of the first yarn guiding rod 42 and the second yarn guiding rod 43 away from the winding mechanism 2, and the other end of the connecting rod 41 is fixedly connected to the second driving mechanism 5.

[0056] In this embodiment, the yarn passes through the channel 44, and with the cooperation of the first yarn guide rod 42 and the second yarn guide rod 43, the yarn can be reciprocated along the axis of the leno 21 to be wound onto the leno 21. Among them, the second sector wheel 53 is fixedly connected to the connecting rod 41. The shape of the connecting rod 41 is not limited and can be adjusted according to the structure and position of each component. For example, it can be a straight line or a straight line. Figure 3 "S" type shown.

[0057] In one embodiment, if Figures 2 - 4 As shown, a first arcuate groove 111 is provided on the frame 1 , and one end of the first yarn guide rod 42 and the second yarn guide rod 43 close to the winding mechanism 2 passes through the first arcuate groove 111 , and the first yarn guide rod 42 and the second yarn guide rod 43 reciprocate along the first arcuate groove 111 .

[0058] In this embodiment, the frame 1 includes a first support portion 11 and a second support portion 12. The second support portion 12 is located below the first support portion 11. The winding mechanism 2 and the first driving mechanism 3 are both arranged on the first support portion 11, and the second driving mechanism 5 is arranged on the second support portion 12. The first arc-shaped groove 111 is arranged on the first support portion 11. One ends of the first yarn guide rod 42 and the second yarn guide rod 43 close to the connecting rod 41 are located in the second support portion 12. One ends of the first yarn guide rod 42 and the second yarn guide rod 43 close to the winding mechanism 2 pass through the first arc-shaped groove 111 and perform reciprocating movements in the first arc-shaped groove 111. The radian of the first arc-shaped groove 111 is adapted to the preset path of the yarn guiding structure 4.

[0059] In one embodiment, a second arc-shaped groove 112 is arranged on the frame 1. The second arc-shaped grooves 112 are arranged at intervals on one side of the first arc-shaped groove 111. The winding device further includes a limiting structure 6 arranged on the second arc-shaped groove 112. The limiting structure 6 is used for limiting the moving path of the yarn guiding structure 4.

[0060] In this embodiment, the second arc-shaped groove 112 is arranged on the first support portion 11. The radian of the second arc-shaped groove 112 is the same as that of the first arc-shaped groove 111. By means of the limiting structure 6 arranged on the second arc-shaped groove 112, the preset path of the yarn guiding structure 4 can be limited, so as to facilitate the adjustment of the winding width of the yarn. Among them, the limiting structure 6 can be, for example, an infrared sensor. The infrared sensor is fixed on the second arc-shaped groove 112 through a bolt-nut assembly, and the position of the infrared sensor in the second arc-shaped groove 112 can be adjusted. When the yarn guiding structure 4 moves in the first arc-shaped groove 111, the yarn guiding structure 4 can stop moving and adjust the running direction when it reaches the position of the infrared sensor, so as to realize reciprocating movement in the first arc-shaped groove 111.

[0061] In one embodiment, the winding device further includes a fixing mechanism 7. The fixing mechanism 7 includes at least one first connecting rod 71, a second connecting rod 72 and a counterweight 73. One end of at least one first connecting rod 71 is connected to the winding mechanism 2 for supporting the winding mechanism 2. One end of the second connecting rod 72 intersects with the other end of the first connecting rod 71. The counterweight 73 is fixedly connected to the other end of the second connecting rod 72.

[0062] In this embodiment, the fixing mechanism 7 can play a role in fixedly supporting the winding mechanism 2. Under the action of the gravity of the counterweight 73, one end of the second connecting rod 72 close to the counterweight 73 can move downward, and one end of the second connecting rod 72 close to the first connecting rod 71 can move upward, so that the second connecting rod 72 drives the first connecting rod 71 to move upward, making the first connecting rod 71 fit more closely with the winding mechanism 2 to improve the smoothness of the rotation of the leno 21. Among them, two first connecting rods 71 can be arranged, such as Figure 1 and Figure 2As shown, the two first link rods 71 are respectively connected to both ends of the winding mechanism 2 to improve the stability of the support of the fixing mechanism 7 for the winding mechanism 2.

[0063] In one embodiment, the fixing mechanism 7 further includes a fixing rod 74. One end of the fixing rod 74 is fixedly connected to the frame 1, and the other end of the fixing rod 74 is connected to the other end of the first link rod 71.

[0064] In this embodiment, by connecting the first link rod 71 with the fixing rod 74, the stability of the overall structure of the fixing mechanism 7 can be improved. Among them, two fixing rods 74 can be provided. The two fixing rods 74 are respectively arranged on one side of the first link rod 71 and are connected to the first link rod 71 through a shaft pin 75. In order to further improve the stability of the fixing mechanism 7, the two fixing rods 74 can be connected through a third link rod 76.

[0065] In one embodiment, the winding mechanism 2 further includes a support shaft 23. The gauze 21 of the winding mechanism 2 is arranged on the support shaft 23; a strip-shaped groove 711 is arranged at one end of the first link rod 71, and the support shaft 23 is arranged in the strip-shaped groove 711.

[0066] In this embodiment, the gauze 21 is arranged on the support shaft 23, and the support shaft 23 is arranged in the strip-shaped groove 711 to realize the support of the first link rod 71 for the support shaft 23. Among them, both the gauze 21 and the connection structure 22 are sleeved on the support shaft 23, and the connection structure 22 can be fixed on the support shaft 23 through a threaded step nut. In order to reduce the wear when the strip-shaped groove 711 contacts the support shaft 23, a protective layer 712 can be arranged in the strip-shaped groove 711 to avoid the direct contact between the support shaft 23 and the strip-shaped groove 711.

[0067] In an exemplary embodiment of the present application, a working principle of a winding device is provided:

[0068] After the yarn passes through the channel 44 between the first yarn guide rod 42 and the second yarn guide rod 43, the first driving mechanism 3 and the second driving mechanism 5 are started. The first driving mechanism 3 drives the winding mechanism 2 to rotate so that the yarn is wound onto the gauze 21; meanwhile, under the action of the second driving mechanism 5, the yarn guiding structure 4 moves in the first arc-shaped groove 111. When the yarn guiding structure 4 reaches the position of the limiting structure 6, it can stop moving and adjust the running direction to realize reciprocating movement in the first arc-shaped groove 111, so that the yarn makes a reciprocating movement along the axis of the gauze 21 and is wound onto the gauze 21 to realize the winding of a single yarn.

[0069] Other embodiments of the present application will be readily apparent to those skilled in the art upon consideration of the specification and practice of the embodiments disclosed herein. The present application is intended to cover any variations, uses, or adaptations of the present application, which follow the general principles of the present application and include known common general knowledge or conventional technical means in the technical field not disclosed in the present application. The specification and examples are only illustrative, and the true scope and spirit of the present application are pointed out by the claims of the present application.

[0070] It should be understood that the present application is not limited to the exact structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present application is only limited by the appended claims.

Claims

1. A winding device, characterized in that, The winding device comprises: frame; A winding mechanism, arranged on the frame, for winding the yarn; A first driving mechanism, disposed on the frame, connected to the winding mechanism and used to drive the winding mechanism to rotate; A yarn guiding structure, located on one side of the winding mechanism, for guiding the yarn; The second driving mechanism is arranged on the frame, and the second driving mechanism is connected to the yarn guiding structure, and is used to drive the yarn guiding structure to move back and forth along a preset path so that the yarn is wound onto the winding mechanism. The preset path is parallel to the plane where the axis of the winding mechanism is located.

2. The winding device according to claim 1, characterized in that, The winding mechanism comprises: A leno, arranged on the frame, for winding the yarn; A connecting structure, arranged at both ends of the leno, for limiting the position of the leno; The first driving mechanism is connected to the connecting structure, and drives the connecting structure to rotate, thereby driving the leno to rotate.

3. The winding device according to claim 1, characterized in that, The first driving mechanism comprises: A first driving motor is arranged on the frame; The driving wheel is meshed with the winding mechanism, and the output shaft of the first driving motor is fixedly connected to the driving wheel for driving the driving wheel to rotate.

4. The winding device according to claim 1, characterized in that, The second driving mechanism comprises: A second driving motor is arranged on the frame; A first sector wheel, fixedly connected to an output shaft of the second drive motor; The second sector wheel is meshed with the first sector wheel, and one end of the second sector wheel facing away from the first sector wheel is fixedly connected to the yarn guide structure.

5. The winding device according to any one of claims 1 to 4, characterized in that The yarn guiding structure comprises a connecting rod, a first yarn guiding rod and a second yarn guiding rod which are arranged opposite to each other, and a passage for the yarn to pass through is provided between the first yarn guiding rod and the second yarn guiding rod; One end of the connecting rod is fixedly connected to one end of the first yarn guide rod and the second yarn guide rod away from the winding mechanism, and the other end of the connecting rod is fixedly connected to the second driving mechanism.

6. The winding device according to claim 5, characterized in that, The frame is provided with a first arcuate groove, and one end of the first yarn guide rod and the second yarn guide rod close to the winding mechanism passes through the first arcuate groove, and the first yarn guide rod and the second yarn guide rod reciprocate along the first arcuate groove.

7. The winding device according to claim 6, characterized in that The frame is provided with a second arc-shaped groove, and the second arc-shaped groove is arranged at a distance on one side of the first arc-shaped groove; The winding device further comprises a limiting structure arranged on the second arc-shaped groove, and the limiting structure is used to limit the moving path of the yarn guiding structure.

8. The winding device according to any one of claims 1 to 4, characterized in that, The winding device also includes a fixing mechanism, and the fixing mechanism includes: at least one first connecting rod, one end of at least one first connecting rod being connected to the winding mechanism for supporting the winding mechanism; a second connecting rod, one end of which is arranged to intersect with the other end of the first connecting rod; A counterweight block is fixedly connected to the other end of the second connecting rod.

9. The winding device according to claim 8, characterized in that, The fixing mechanism further comprises a fixing rod, one end of which is fixedly connected to the frame, and the other end of which is connected to the other end of the first connecting rod.

10. The winding device according to claim 8, characterized in that, The winding mechanism further comprises a supporting shaft, and the leno of the winding mechanism is arranged on the supporting shaft; One end of the first connecting rod is provided with a strip-shaped groove, and the support shaft is arranged in the strip-shaped groove.