Lightweight cardboard box material multi-layer composite tension control device
By using a multi-layer composite tension control device for lightweight cardboard materials, and by utilizing a motor-driven roller rotation and telescopic rod adjustment, precise control of paper tension is achieved. This solves the problem of insufficient flexibility in traditional tension adjustment methods and improves processing quality and material strength.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHU SUNSHINE CARTON PACKAGING CO LTD
- Filing Date
- 2025-09-01
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional fixed tension adjustment methods are difficult to adjust flexibly according to material characteristics, which can lead to material damage or reduced processing quality and fail to meet the tension requirements of the entire process. In particular, improper tension settings can easily lead to material deformation and reduced strength.
A multi-layer composite tension control device using lightweight cardboard material is employed. The second motor drives the first adjusting roller to rotate and the telescopic rod to adjust. Combined with the controller, the motor speed and roller swing frequency are precisely controlled to achieve dynamic tension adjustment. The position of the slider is finely adjusted by the telescopic rod to adapt to different paper characteristics.
It enables precise adjustment of paper tension, meets the requirements of different production processes, improves processing quality and material strength, and avoids material deformation and dimensional changes.
Smart Images

Figure CN224429686U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lightweight cardboard manufacturing technology, and more specifically, it relates to a multi-layer composite tension control device for lightweight cardboard materials. Background Technology
[0002] Lightweight linerboard refers to linerboard with the lowest possible weight without compromising strength or performance. In Europe, lightweight cartons are defined as linerboard weighing less than 100 g / m². This lightweight design aims to reduce material usage, lower packaging and transportation costs, while maintaining sufficient strength and performance to meet the requirements of packaging and transportation.
[0003] Traditional fixed tension adjustment methods are difficult to meet the tension requirements of all materials. They lack the flexibility to adjust flexibly according to material characteristics, easily leading to material damage or decreased processing quality. Furthermore, traditional fixed tension adjustment methods cannot automatically adjust tension according to process stages, making it difficult to meet the tension requirements throughout the entire process. When the tension adjustment remains constant and the tension setting is unreasonable, the material is prone to deformation. If the tension is too high, the material will be overstretched, leading to dimensional changes, reduced strength, and other problems. Utility Model Content
[0004] To address the challenges of traditional fixed tension adjustment methods, which struggle to meet the tension requirements of all materials, are ill-suited for flexible adjustments based on material properties, and are prone to material damage or reduced processing quality, this invention aims to provide a tension control device for lightweight multi-layer composite cardboard box materials. This device addresses the limitations of traditional fixed tension adjustment methods, which cannot automatically adjust tension according to process stages, making it difficult to meet the overall tension requirements. Furthermore, when tension remains constant or is improperly set, material deformation is highly likely. Excessive tension can lead to overstretching, dimensional changes, and reduced strength.
[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0006] This utility model is a multi-layer composite tension control device for lightweight cardboard box materials, including a main body, a lifting tension adjustment component fixedly connected to the top of the main body, and a flipping tension adjustment component provided on the side of the lifting tension adjustment component.
[0007] The overturning tension adjustment assembly includes a support plate, a second motor is mounted on the top of the support plate, a connecting rod is fixedly connected to the output end of the second motor, a connecting plate is fixedly connected to the side of the connecting rod, and a first adjusting roller is fixedly connected to the side of the connecting plate.
[0008] The lifting tension adjustment assembly includes a support base, a telescopic rod is installed on the top of the support base, a slider is fixedly connected to the output end of the telescopic rod, a groove is opened inside the support base, and a second adjusting roller is fixedly connected inside the slider.
[0009] As a preferred embodiment of this utility model, two mounting seats are provided, two connecting rods are provided, a third bearing seat is installed on the side of the mounting seats, and the connecting rods extend into the interior of the third bearing seat.
[0010] As a preferred embodiment of this utility model, two grooves are provided, and two telescopic rods and sliders are provided, with the sliders sliding inside the grooves.
[0011] As a preferred embodiment of the present invention, the main body includes a base plate, and a second bracket is fixedly connected to the side of the base plate, wherein two second brackets are provided.
[0012] As a preferred embodiment of this utility model, a second bearing seat is fixedly connected to the top of the second bracket, and a unwinding wheel is provided on the side of the second bearing seat.
[0013] As a preferred embodiment of this utility model, a first bracket is fixedly connected to the side of the mounting base, and two first brackets are provided.
[0014] As a preferred embodiment of this utility model, a first motor is installed on the top of the first bracket, a winding wheel is fixedly connected to the output end of the first motor, and a first bearing seat is installed on the top of the first bracket.
[0015] As a preferred embodiment of this utility model, the side of the mounting base is fixedly connected to a mounting seat, two mounting seats are provided, and an auxiliary roller is provided on the top of the mounting seat.
[0016] The advantages of this utility model are:
[0017] 1. This utility model utilizes a second motor to drive the first adjusting roller to rotate and swing, which can dynamically adjust the tension according to the real-time changes in paper tension during the conveying process. The speed and angle of the second motor can be precisely controlled by a controller, thereby achieving precise adjustment of the swing amplitude and frequency of the first adjusting roller. This greatly improves the accuracy of tension adjustment and can meet the strict requirements of different production processes for paper tension.
[0018] 2. This utility model can precisely control the movement distance of the slider by utilizing the telescopic rod's extension and retraction action, thereby achieving fine-tuning of the position of the second adjusting roller. This fine-tuning capability makes tension adjustment more precise and can adapt to papers of different thicknesses, materials, and process requirements. The extension and retraction range of the telescopic rod can be adjusted according to the characteristics of the paper, thereby achieving tension adjustment for different types of paper. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of the lightweight cardboard box material multilayer composite tension control device of this utility model.
[0020] Figure 2 This is a schematic diagram of the flipping tension adjustment component of the lightweight cardboard box material multilayer composite tension control device of this utility model.
[0021] Figure 3 This is a schematic diagram of the lifting tension adjustment component of the multi-layer composite tension control device for lightweight cardboard box materials according to this utility model.
[0022] Figure 4 This is a schematic diagram of the winding and conveying structure of the multi-layer composite tension control device for lightweight cardboard box material of this utility model.
[0023] In the attached diagram: 1. Main body; 101. Base plate; 102. First support; 103. First motor; 104. Take-up roller; 105. First bearing seat; 106. Second support; 107. Second bearing seat; 108. Unwinding roller; 109. Mounting seat; 110. Auxiliary roller; 2. Tilting tension adjustment assembly; 201. Support plate; 202. Second motor; 203. Connecting rod; 204. Connecting plate; 205. First adjusting roller; 206. Third bearing seat; 3. Lifting tension adjustment assembly; 301. Mounting seat; 302. Telescopic rod; 303. Slider; 304. Slide groove; 305. Second adjusting roller. Detailed Implementation
[0024] The principles and features of this utility model will be described in detail below with reference to the accompanying drawings. The examples listed herein are only for illustrating the technical points of this utility model and should not be considered as limiting the scope of this utility model. In the subsequent description, this utility model will be further illustrated with specific examples using the accompanying drawings. It should be noted that the accompanying drawings are in a simplified form and are not precisely proportioned; they are only used to assist in illustrating the embodiments of this utility model.
[0025] Regarding the description of relationships between components: When it is said that a component is "fixed to" another component, it includes both the case of direct fixation and the scenario of fixation through an intermediate component. Similarly, the expressions "connected to" and "set to" also include the cases of direct connection / setting and indirect connection / setting through an intermediate component, respectively.
[0026] Unless otherwise stated, the technical and scientific terms used herein are consistent with the common understanding of those skilled in the art to which this invention pertains. The use of terminology herein is intended to specifically describe embodiments and not to limit the scope of the invention. Furthermore, the term "and / or" signifies all possible combinations encompassing any one or more of the listed items.
[0027] Example 1:
[0028] Please see Figures 1-4 Structural diagram; the present invention provides the following technical solution:
[0029] Specifically, it refers to a multi-layer composite tension control device for lightweight cardboard box materials, including a main body 1, a lifting tension adjustment component 3 fixedly connected to the top of the main body 1, and a flipping tension adjustment component 2 provided on the side of the lifting tension adjustment component 3.
[0030] The flipping tension adjustment assembly 2 includes a support plate 201, a second motor 202 mounted on the top of the support plate 201, a connecting rod 203 fixedly connected to the output end of the second motor 202, a connecting plate 204 fixedly connected to the side of the connecting rod 203, and a first adjusting roller 205 fixedly connected to the side of the connecting plate 204. The lifting tension adjustment assembly 3 includes a mounting base 301, a telescopic rod 302 mounted on the top of the mounting base 301, a slider 303 fixedly connected to the output end of the telescopic rod 302, a groove 304 opened inside the mounting base 301, and a second adjusting roller 305 fixedly connected inside the slider 303. The second motor 202 drives the first adjusting roller 205 to flip and swing, which can be dynamically adjusted according to the real-time tension changes of the paper during the conveying process. The speed and angle of the second motor 202 can be precisely controlled by a controller, thereby achieving precise adjustment of the swing amplitude and frequency of the first adjusting roller 205. This greatly improves the accuracy of tension adjustment and can meet the strict requirements of different production processes for paper tension.
[0031] The working principle of the lightweight cardboard box material multilayer composite tension control device provided by this utility model is as follows:
[0032] Working principle: The second motor 202 drives the connecting rod 203 to rotate and swing the first adjusting roller 205 at the bottom of the connecting plate 204, which can press or lift the paper, thereby adjusting the paper tension. The second motor 202 can control the first adjusting roller 205 to swing downward, increasing the pressing force on the paper and thus reducing the tension. Conversely, when the tension is too low, the first adjusting roller 205 swings upward, reducing the pressing force and increasing the tension. The first adjusting roller 205 driven by the second motor 202 can quickly respond to tension changes and make timely adjustments. At the same time, the extension and retraction of the telescopic rod 302 can drive the slider 303 to slide inside the slide groove 304, thereby driving the second adjusting roller 305 inside the slider 303 to rise and fall, thereby adjusting the tension of the paper at the top of the second adjusting roller 305.
[0033] Example 2:
[0034] Based on Specific Embodiment 1, the difference in this embodiment is as follows:
[0035] like Figure 1 , Figure 2 and Figure 3 As shown, there are two mounting bases 301 and two connecting rods 203. A third bearing seat 206 is installed on the side of the mounting base 301, and the connecting rods 203 extend into the interior of the third bearing seat 206. There are two slide grooves 304, and two telescopic rods 302 and two sliders 303. The sliders 303 slide inside the slide grooves 304. The telescopic movement of the telescopic rods 302 can be used to precisely control the movement distance of the sliders 303, thereby achieving fine adjustment of the position of the second adjusting roller 305. This fine adjustment capability makes the tension adjustment more precise and can adapt to papers of different thicknesses, materials and process requirements. The telescopic range of the telescopic rods 302 can be adjusted according to the characteristics of the paper, thereby achieving tension adjustment for different papers.
[0036] Example 3:
[0037] Based on specific embodiment two, the difference in this embodiment is as follows:
[0038] like Figure 1 and Figure 4As shown, the main body 1 includes a base plate 101. Two second supports 106 are fixedly connected to the side of the base plate 101. A second bearing seat 107 is fixedly connected to the top of the second support 106. A winding wheel 108 is provided on the side of the second bearing seat 107. Two first supports 102 are fixedly connected to the side of the mounting base 301. A first motor 103 is mounted on the top of the first support 102. A winding wheel 104 is fixedly connected to the output end of the first motor 103. A first bearing seat 105 is mounted on the top of the first support 102. A winding wheel 104 is fixedly connected to the side of the mounting base 301. Mounting base 109, two mounting bases 109 are provided. The top of the mounting base 109 is provided with an auxiliary roller 110. The take-up roller 104 driven by the first motor 103 can precisely control the winding speed and tension according to the process requirements. The first motor 103 of the take-up roller 104 can automatically adjust the speed according to the real-time tension data to ensure the stability and uniformity of the tension during the winding process. The undriven unwinding roller 108 usually relies on the material's own gravity or tension to achieve unwinding. This passive unwinding method can automatically adjust the unwinding speed according to the traction force of the take-up roller 104 to avoid material loosening or breakage due to excessively fast or slow unwinding speed.
[0039] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.
Claims
1. A lightweight cardboard box material multilayer composite tension control device, comprising a main body (1), characterized in that: The top of the main body (1) is fixedly connected to a lifting tension adjustment component (3), and a flipping tension adjustment component (2) is provided on the side of the lifting tension adjustment component (3). The flipping tension adjustment assembly (2) includes a support plate (201), a second motor (202) is installed on the top of the support plate (201), a connecting rod (203) is fixedly connected to the output end of the second motor (202), a connecting plate (204) is fixedly connected to the side of the connecting rod (203), and a first adjusting roller (205) is fixedly connected to the side of the connecting plate (204). The lifting tension adjustment assembly (3) includes a support base (301), a telescopic rod (302) is installed on the top of the support base (301), a slider (303) is fixedly connected to the output end of the telescopic rod (302), a sliding groove (304) is opened inside the support base (301), and a second adjusting roller (305) is fixedly connected inside the slider (303).
2. The lightweight paperboard carton material multi-ply composite tension control apparatus of claim 1, wherein, Two mounting bases (301) are provided, two connecting rods (203) are provided, a third bearing seat (206) is installed on the side of the mounting base (301), and the connecting rod (203) extends into the interior of the third bearing seat (206).
3. The lightweight paperboard carton material multi-layer composite tension control device according to claim 1, wherein, Two grooves (304) are provided, and two telescopic rods (302) and sliders (303) are provided. The sliders (303) slide inside the grooves (304).
4. The lightweight paperboard carton material multi-layer composite tension control apparatus according to claim 1, wherein, The main body (1) includes a base plate (101), and a second bracket (106) is fixedly connected to the side of the base plate (101). There are two second brackets (106).
5. The lightweight carton material multi-ply composite tension control apparatus of claim 4, wherein, The top of the second bracket (106) is fixedly connected to a second bearing seat (107), and the side of the second bearing seat (107) is provided with a unwinding wheel (108).
6. The lightweight paperboard carton material multi-ply composite tension control apparatus of claim 1, wherein, The side of the mounting base (301) is fixedly connected to a first bracket (102), and there are two first brackets (102).
7. The lightweight paperboard carton material multi-ply composite tension control apparatus of claim 6, wherein, A first motor (103) is mounted on the top of the first bracket (102), and a winding wheel (104) is fixedly connected to the output end of the first motor (103). A first bearing seat (105) is mounted on the top of the first bracket (102).
8. The lightweight paperboard carton material multi-ply composite tension control apparatus of claim 1, wherein, The side of the mounting base (301) is fixedly connected to the mounting base (109), and there are two mounting bases (109). An auxiliary roller (110) is provided on the top of the mounting base (109).