Drawing type towel roll material tension control mechanism
By designing a pull-out towel roll tension control mechanism, precise tension adjustment is achieved using an eccentric turntable and friction plate assembly, solving the problem of limited adjustment methods in traditional equipment and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520648198.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-08
AI Technical Summary
Traditional towel production equipment has a complex tension control mechanism with limited adjustment methods, making it impossible to achieve precise and flexible tension control, which affects production efficiency and product quality.
A pull-out towel roll tension control mechanism was designed, comprising a mounting frame, a roll shaft, a tension adjustment module, and a guide assembly. Precise tension adjustment is achieved by using an eccentric turntable, a friction plate assembly, and a lateral adjustment assembly. The guide assembly reduces friction through an air cushion to ensure roll stability.
It enables precise adjustment of the tension of towel rolls, improves production stability and product quality, reduces equipment wear, and adapts to the production needs of different specifications and materials.
Smart Images

Figure CN223879140U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to the production technology field of drawing type towel, concretely relates to a drawing type towel roll material tension control mechanism. BACKGROUND
[0002] In the towel production and packaging industry, the tension control of the towel roll material in the drawing link plays a decisive role in the smoothness of the entire production process and product quality, however, the traditional tension control mechanism has a series of problems difficult to overcome.
[0003] The traditional equipment structure is complicated, a large number of complex mechanical parts are interwoven, not only greatly increase the manufacturing cost of the equipment, but also make the professional technical personnel need to spend a lot of time and energy in the installation and debugging process, and once the equipment fails, the difficulty of troubleshooting and maintenance is great, often needs to be shut down for a long time, seriously affects the production progress.
[0004] In the adjustment function, the traditional tension control mechanism has limited adjustment mode, usually only can carry out simple coarse adjustment, cannot carry out accurate, flexible regulation and control to the tension according to the material quality characteristics, thickness change and production speed adjustment of the towel roll material, in actual production, different batches of towels may adopt different raw materials, and the specifications are not the same, which requires that the tension control mechanism has high flexibility, but the traditional equipment is difficult to meet this requirement, and cannot adapt to diversified production demand.
[0005] It should be noted that the above content belongs to the technical cognition range of the inventor, because the technical content in the art is vast and complex, therefore the above content of the present application does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL
[0006] 1. Technical problem to be solved by the utility model:
[0007] The utility model provides a drawing type towel roll material tension control mechanism to solve the technical problems in the above background technology.
[0008] 2. Technical scheme:
[0009] In order to achieve the above object, the utility model provides a technical scheme for a drawing type towel roll tension control mechanism, which comprises a mounting frame and a roll shaft, one side of the roll shaft is provided with a tension adjusting module and a guide assembly, the roll shaft is located in the mounting frame, one side of the mounting frame close to the guide assembly is also provided with a discharging roller shaft, the tension adjusting module comprises a positioning shaft and a plurality of friction plate assemblies arranged on the positioning shaft, both ends of the positioning shaft are provided with eccentric turntables and linkage shafts, one end of the linkage shaft is connected with a transverse adjusting assembly, the guide assembly comprises guide shaft one and guide shaft two, both ends of the guide shaft one and the guide shaft two are connected through a positioning plate, one end of the positioning plate is provided with a ventilation shaft, one end of the ventilation shaft is connected with a driving motor one, one end of the discharging roller shaft is connected with a driving motor two.
[0010] Further, the tension adjusting module is located above the guide assembly, and the tension adjusting module further comprises a hand wheel connected with the linkage shaft.
[0011] Further, a plurality of friction plate assemblies are arranged equidistantly on the positioning shaft, the friction plate assembly comprises a positioning sheet and a friction sheet, a spring is embedded between the positioning sheet and the friction sheet, and one side of the friction sheet close to the roll shaft is an arc-shaped end face.
[0012] Further, a plurality of air holes are formed in the guide shaft one and the guide shaft two, and the plurality of air holes are in communication with the ventilation shaft.
[0013] Further, the transverse adjusting assembly comprises a fixed seat and an adjusting block sleeved on the linkage shaft, and one end of the adjusting block is provided with an adjusting bolt penetrating through the fixed seat.
[0014] Further, transverse adjusting grooves are formed in both sides of the mounting frame, and the transverse adjusting grooves are arranged correspondingly with the linkage shaft.
[0015] Further, the discharging roller shaft is embedded in one side of the mounting frame, and a driving end of the driving motor two is connected with the discharging roller shaft.
[0016] 3. Beneficial effects:
[0017] Compared with the prior art, the utility model has the following beneficial effects:
[0018] The utility model discloses a reasonable design, through eccentric turntable, friction plate subassembly and the synergistic effect of horizontal adjustment subassembly, can realize accurate regulation to towel roll material tension, satisfy the strict requirement of different production technology to tension, through the spring in friction plate subassembly can automatic adjustment contact pressure according to roll material rotation situation, realize the dynamic balance of roll material tension, ensure the stability of roll material in the process of pulling, and the guiding component utilizes air cushion to reduce the friction of roll material and guide shaft, effectively avoid the surface of roll material damage, improve product quality, reduce equipment wear and tear simultaneously, prolong the service life of equipment, realize to the tension regulation of the towel roll material of different specifications and material quality, and the applicability is extensive, satisfies the diversified production demand.
[0019] It should be noted that the structures not introduced in the utility model are the same as the prior art or can be realized by using the prior art since they do not involve the design points and improvement direction of the utility model, and thus no further description is made herein. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic diagram of the utility model;
[0021] Figure 2 It is another angle whole structure schematic diagram of the utility model;
[0022] Figure 3 It is a partial structure schematic diagram of the utility model;
[0023] Figure 4 It is a mounting rack structure schematic diagram of the utility model.
[0024] Reference signs:
[0025] 1, mounting rack, 101, discharging roller shaft, 102, driving motor two, 103, horizontal adjustment groove, 2, roll material shaft, 3, tension adjustment module, 301, positioning shaft, 302, friction plate subassembly, 3021, positioning sheet, 3022, friction sheet, 3023, spring, 303, eccentric turntable, 304, linkage shaft, 305, horizontal adjustment subassembly, 3051, fixed seat, 3052, adjustment block, 3053, adjustment bolt, 306, hand wheel, 4, guiding component, 401, guiding shaft one, 402, guiding shaft two, 403, positioning plate, 404, air shaft, 405, driving motor one, 406, air hole. DETAILED DESCRIPTION
[0026] In order to facilitate understanding the utility model, below will refer to relevant drawings and carry out more comprehensive description to the utility model, and the drawings have shown several embodiments of the utility model, but, the utility model can realize in many different forms, and is not limited to the embodiment described in this paper, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0027] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.
[0028] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0029] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with", "provided in" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment
[0030] Referring to the drawings Figures 1-4 A kind of pull type towel roll tension control mechanism, including mounting frame 1 and roll material shaft 2, roll material shaft 2 side is equipped with tension adjustment module 3 and guide assembly 4, roll material shaft 2 is located in mounting frame 1, mounting frame 1 is also equipped with discharge roller shaft 101 on the side close to guide assembly 4, tension adjustment module 3 includes positioning shaft 301 and multiple friction plate assemblies 302 arranged on positioning shaft 301, both ends of positioning shaft 301 are equipped with eccentric turntable 303 and linkage shaft 304, one end of linkage shaft 304 is connected with transverse adjustment assembly 305, guide assembly 4 includes guide shaft one 401 and guide shaft two 402, both ends of guide shaft one 401 and guide shaft two 402 are connected by positioning plate 403, one end of positioning plate 403 is equipped with air shaft 404, one end of air shaft 404 is connected with drive motor one 405, one end of discharge roller shaft 101 is connected with drive motor two 102.
[0031] The mounting frame 1 is made of high-strength metal material and serves as a support body of the whole device, providing a stable mounting base for other components. The roll shaft 2 is used for bearing the towel roll and has a smooth surface to reduce the friction with the roll and facilitate the rotation of the roll. The mounting frame 1 not only protects the components but also ensures the relative position accuracy between the components. The mounting frame 1 is provided with a discharge roller shaft 101 on the side close to the guide assembly 4, which is used to guide the pulled-out towel roll to be smoothly output into the subsequent production or packaging process.
[0032] The tension adjusting module 3 includes a positioning shaft 301 and a plurality of friction plate assemblies 302 arranged on the positioning shaft 301. The positioning shaft 301 serves as a carrier for supporting the friction plate assemblies 302 and is mounted on the mounting frame 1 through bearings at both ends to realize stable rotation. The plurality of friction plate assemblies 302 are arranged at equal intervals on the positioning shaft 301, which can uniformly apply friction to the roll shaft 2 to accurately control the tension of the roll. The positioning shaft 301 is provided with an eccentric turntable 303 and a linkage shaft 304 at both ends. The eccentric turntable 303 can change its eccentric position by rotating to adjust the contact pressure between the friction plate assemblies 302 and the roll shaft 2, realizing fine adjustment of the roll tension. The linkage shaft 304 is responsible for transmitting the movement of the eccentric turntable 303 to each friction plate assembly 302 to ensure synchronous action of each assembly. The linkage shaft 304 is connected with a transverse adjusting assembly 305 at one end. The transverse adjusting assembly 305 can change the relative position of the friction plate assemblies 302 and the roll shaft 2 by adjusting the transverse position of the linkage shaft 304, further expanding the range of tension adjustment.
[0033] The guide assembly 4 includes a guide shaft one 401 and a guide shaft two 402. The guide shaft one 401 and the guide shaft two 402 are connected through a positioning plate 403 at both ends. The positioning plate 403 provides stable support for the guide shaft one 401 and the guide shaft two 402 to ensure their parallelism and relative position accuracy. The positioning plate 403 is provided with an air shaft 404 at one end. The air shaft 404 is connected with a drive motor one 405 at one end. The drive motor one 405 provides power for the rotation of the air shaft 404 and is used to rotate the two guide shafts to alternately realize the guiding action of the two guide shafts. An air source is connected externally, and air flow is generated inside. A plurality of air holes 406 are formed on the guide shaft one 401 and the guide shaft two 402 and are in communication with the air shaft 404. The air flow sprayed through the air holes 406 can form an air cushion on the surface of the guide shaft to reduce the friction between the towel roll and the guide shaft, avoid damage to the surface of the roll, and ensure the stability of the roll during the pulling process.
[0034] The one end of the discharging roller shaft 101 is connected with a driving motor two 102, the driving motor two 102 provides rotating power for the discharging roller shaft 101, and the rotating speed can be adjusted according to the production requirement, so that the discharging speed of the towel roll material is controlled to match the whole production process.
[0035] The tension adjusting module 3 is located above the guide assembly 4, and this layout design reasonably utilizes the space and avoids interference between the components, and the tension adjusting module 3 further includes a hand wheel 306 connected with the linkage shaft 304, and the hand wheel 306 provides a manual adjusting mode for the operator, when the roll material tension needs to be quickly and intuitively adjusted, the operator can rotate the hand wheel 306 to drive the linkage shaft 304 and the eccentric turntable 303 to rotate, so that the roll material tension is conveniently adjusted.
[0036] A plurality of friction plate assemblies 302 are arranged at equal intervals on the positioning shaft 301, the friction plate assembly 302 includes a positioning plate 3021 and a friction plate 3022, the positioning plate 3021 is used to fix the position of the friction plate 3022 to ensure that it does not displace during the working process, and a spring 3023 is embedded between the positioning plate 3021 and the friction plate 3022, the spring 3023 can automatically adjust the contact pressure between the friction plate 3022 and the roll shaft 2 according to the rotation of the roll shaft 2, so that the dynamic balance of the roll material tension is realized, and the side of the friction plate 3022 close to the roll shaft 2 is an arc-shaped end face, so that the friction force is more evenly distributed, and the precision of the tension control is improved.
[0037] The transverse adjusting assembly 305 includes a fixed seat 3051 and an adjusting block 3052 sleeved on the linkage shaft 304, the fixed seat 3051 is used to fix the position of the adjusting block 3052 and provide support for the adjusting screw 3053, and one end of the adjusting block 3052 is provided with the adjusting screw 3053 penetrating through the fixed seat 3051, the operator can rotate the adjusting screw 3053 to push the adjusting block 3052 and drive the linkage shaft 304 to move along the transverse adjusting groove 103, so that the transverse position of the linkage shaft 304 is accurately adjusted.
[0038] The transverse adjusting groove 103 is provided corresponding to the linkage shaft 304, and the transverse adjusting groove 103 provides space for the transverse movement of the linkage shaft 304 to ensure the smoothness during the adjusting process, and also facilitates the observation and adjustment of the position of the linkage shaft 304.
[0039] The discharging roller shaft 101 is embedded on one side of the mounting frame 1, and the driving end of the driving motor two 102 is connected with the discharging roller shaft 101, and this mounting mode ensures the stability of the discharging roller shaft 101, so that it does not shake during the working process, and ensures that the towel roll material can be smoothly discharged.
[0040] In summary, the present pull type towel roll material tension control mechanism is mainly composed of a mounting frame 1, a roll material shaft 2, a tension adjusting module 3, a guide assembly 4 and an outlet roller shaft 101; the mounting frame 1 provides support and protection, the roll material shaft 2 carries the towel roll material, the tension adjusting module 3 contains a positioning shaft 301, a friction plate assembly 302, an eccentric turntable 303, a linkage shaft 304 and a transverse adjusting assembly 305, can accurately adjust the roll material tension, the guide assembly 4 passes through a guide shaft one 401, a guide shaft two 402, a positioning plate 403, a ventilation shaft 404 and a driving motor one 405, uses air holes to spray air to form an air cushion, reduces friction and ensures that the roll material is pulled smoothly, the outlet roller shaft is driven by a driving motor two 102, controls the outlet speed, in addition, a hand wheel 306 provides a manual tension adjusting mode, and each component cooperates to realize accurate control of the towel roll material tension.
[0041] The above-described embodiments only express some implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.
Claims
1. A tension control mechanism for a pull-type towel roll, comprising a mounting bracket (1) and a roll shaft (2), characterized in that: One side of the roll shaft (2) is provided with a tension adjusting module (3) and a guide assembly (4), the roll shaft (2) is located in the mounting frame (1), one side of the mounting frame (1) close to the guide assembly (4) is also provided with a discharge roller shaft (101), the tension adjusting module (3) comprises a positioning shaft (301) and a plurality of friction plate assemblies (302) provided on the positioning shaft (301), both ends of the positioning shaft (301) are provided with eccentric turntables (303) and linkage shafts (304), one end of the linkage shaft (304) is connected with a transverse adjusting assembly (305), the guide assembly (4) comprises guide shafts (401) and guide shafts (402), both ends of the guide shafts (401) and the guide shafts (402) are connected through positioning plates (403), one end of the positioning plate (403) is provided with an air shaft (404), one end of the air shaft (404) is connected with a driving motor (405), one end of the discharge roller shaft (101) is connected with a driving motor (102).
2. A tension control mechanism for a pull-type towel roll according to claim 1, characterized in that: The tension adjusting module (3) is located above the guide assembly (4), the tension adjusting module (3) further comprises a hand wheel (306) connected with the linkage shaft (304).
3. A tension control mechanism for a pull-type towel roll according to claim 1, wherein: A plurality of the friction plate assemblies (302) are arranged equidistantly on the positioning shaft (301), the friction plate assembly (302) comprises a positioning sheet (3021) and a friction sheet (3022), a spring (3023) is embedded between the positioning sheet (3021) and the friction sheet (3022), one side of the friction sheet (3022) close to the roll shaft (2) is an arc-shaped end face.
4. A tension control mechanism for a pull-type towel roll according to claim 1, wherein: A plurality of air holes (406) are formed in the guide shafts (401) and the guide shafts (402), and the air holes (406) are in communication with the air shaft (404).
5. A tension control mechanism for a pull-type towel roll according to claim 1, wherein: The transverse adjusting assembly (305) comprises a fixed seat (3051) and an adjusting block (3052) sleeved on the linkage shaft (304), one end of the adjusting block (3052) is provided with an adjusting bolt (3053) penetrating through the fixed seat (3051).
6. A tension control mechanism for a pull-type towel roll according to claim 1, characterized in that: Both sides of the mounting frame (1) are provided with transverse adjusting grooves (103), and the transverse adjusting grooves (103) are correspondingly arranged with the linkage shafts (304).
7. A tension control mechanism for a pull-type towel roll according to claim 1, wherein: The discharge roller shaft (101) is embedded on one side of the mounting frame (1), and a driving end of the driving motor (102) is connected with the discharge roller shaft (101).