Automotive trim non-woven fabric leveling device

By adopting an upper and lower leveling roller structure and double-sided positioning adjustment in the nonwoven fabric leveling device, the problem that the existing device cannot adapt to nonwoven fabrics of different thicknesses has been solved, achieving a high-efficiency and stable leveling effect, and improving production efficiency and product quality.

CN224119285UActive Publication Date: 2026-04-14JIANGSU HUIGU NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU HUIGU NEW MATERIALS CO LTD
Filing Date
2025-04-09
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing automotive interior nonwoven fabric leveling devices are inadequate in terms of thickness adjustment, cannot flexibly adapt to nonwoven fabrics of different thicknesses, are cumbersome to operate and prone to errors, thus affecting production efficiency.

Method used

A nonwoven fabric leveling device for automotive interiors was designed. It adopts an upper and lower leveling roller structure, and the spacing is adjusted by a support shaft and a locking sleeve. Combined with a movable lower leveling roller and a double-sided positioning structure, it can achieve precise leveling of nonwoven fabrics of different thicknesses.

Benefits of technology

It improves the leveling effect and stability of nonwoven fabrics, enhances the versatility of the equipment, simplifies the operation process, and improves production efficiency and product quality consistency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automotive trim non-woven fabric leveling device which comprises a base, a supporting frame is installed on the left side of the top of the base, an unwinding roller is movably installed in the supporting frame, and a conveying roller is installed on the upper right portion of the unwinding roller through a first positioning vertical plate. The upper leveling roller and the lower leveling roller are arranged on the upper side and the lower side of the right end of the non-woven fabric respectively, the upper surface and the lower surface of the non-woven fabric can be leveled at the same time, wrinkles and unevenness of the surface of the non-woven fabric can be effectively eliminated through the double-face leveling mode, the leveling effect is improved, the quality of the non-woven fabric for the automotive trim is guaranteed, and the production efficiency is improved. The lower leveling roller is installed on the second positioning vertical plate through the supporting shaft, the front end of the supporting shaft is sleeved with the locking sleeve, the position of the lower leveling roller can be adjusted according to actual needs, then the lower leveling roller is fixed through the locking sleeve, the distance between the two leveling rollers is changed so as to adapt to non-woven fabrics with different thicknesses, and the universality of the device is enhanced.
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Description

Technical Field

[0001] This utility model relates to the field of nonwoven fabric leveling technology, specifically a nonwoven fabric leveling device for automotive interiors. Background Technology

[0002] In the automotive interior manufacturing industry, nonwoven fabrics are a commonly used interior material, and their quality and performance have a significant impact on the quality of automotive interiors. Due to the diverse needs of automotive interiors, the nonwoven fabrics used vary greatly in thickness and material, ranging from thinner nonwoven fabrics used for decorative linings to thicker nonwoven fabrics with special functions (such as sound absorption and heat insulation). Therefore, in the nonwoven fabric leveling process, it is crucial to be able to flexibly and accurately adjust the leveling device to adapt to nonwoven fabrics of different thicknesses.

[0003] Currently available automotive interior nonwoven fabric leveling devices have many shortcomings in terms of thickness adjustment. Many devices use a fixed-gap upper and lower leveling roller structure, which is only suitable for nonwoven fabrics of a specific thickness range. When processing nonwoven fabrics of different thicknesses, operators often need to spend a lot of time and effort to disassemble and replace the leveling rollers or add auxiliary parts such as shims to adjust the spacing. The operation process is cumbersome and prone to errors, which seriously affects production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a non-woven fabric leveling device for automotive interiors, which has the advantage of effectively leveling non-woven fabrics.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a non-woven fabric leveling device for automotive interiors, comprising a base, a support frame installed on the left side of the top of the base, an unwinding roller movably installed inside the support frame, a conveying roller installed on the upper right side of the unwinding roller via a first positioning vertical plate, non-woven fabric being connected to the surfaces of the unwinding roller and the conveying roller, an upper leveling roller and a lower leveling roller respectively attached to the upper and lower sides of the right end of the non-woven fabric, a second positioning vertical plate installed on the front side of the lower leveling roller via a support shaft, a measuring ruler being snapped onto the left side of the front side of the second positioning vertical plate, and a locking sleeve sleeved at the front end of the support shaft on the front side of the lower leveling roller.

[0006] As a preferred embodiment, a third positioning vertical plate is fixedly installed on the back of the right end of the base. The interior of the third positioning vertical plate is provided with a rear moving groove. The rear end of the lower leveling roller passes through the rear moving groove through a support shaft and is connected by a threaded sleeve.

[0007] As a preferred embodiment, the second positioning vertical plate has a front moving groove vertically opened inside, and one end of the support shaft at the front end of the lower leveling roller is located inside the front moving groove and is slidably connected.

[0008] As a preferred embodiment, the end of the upper leveling roller is fixedly mounted with a connecting frame via a bushing, and the left end of the connecting frame is connected to the outside of the first positioning vertical plate.

[0009] As a preferred embodiment, a heating roller is installed inside the upper leveling roller, and the heating roller is sleeved on the surface of the internal support shaft of the upper leveling roller.

[0010] As a preferred embodiment, a drive motor is fixedly installed on the back of the support frame, and the output shaft of the drive motor passes through the support frame and is connected to the end of the unwinding roller.

[0011] As a preferred embodiment, the upper leveling roller and the lower leveling roller are arranged symmetrically, and the lower leveling roller is designed to be movable.

[0012] As a preferred embodiment, positioning plates are fixedly installed on both the upper and lower sides of the left side of the front of the second positioning vertical plate, and the end of the measuring ruler is engaged with the inner wall of the positioning plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model, by setting an upper leveling roller and a lower leveling roller on the upper and lower sides of the right end of the nonwoven fabric, can simultaneously perform leveling operations on the upper and lower surfaces of the nonwoven fabric. This double-sided leveling method can more effectively eliminate wrinkles and unevenness on the surface of the nonwoven fabric, improve the leveling effect, and ensure the quality of nonwoven fabric for automotive interiors. The lower leveling roller is mounted on the second positioning vertical plate through a support shaft, and a locking sleeve is sleeved at the front end of the support shaft. The position of the lower leveling roller can be adjusted according to actual needs, and then fixed by the locking sleeve, thereby changing the distance between the two leveling rollers to adapt to nonwoven fabrics of different thicknesses, enhancing the versatility of the device.

[0015] 2. This utility model uses the third positioning vertical plate and the second positioning vertical plate to position and support the support shaft of the lower leveling roller from the rear end and the front end, respectively, so that the lower leveling roller can maintain a more stable state during operation. This double-sided positioning structure can effectively reduce the shaking and offset of the lower leveling roller when rotating and adjusting its position, ensuring the accuracy and stability of the leveling work, improving the leveling quality of non-woven fabric. Operators can easily adjust the position of the lower leveling roller according to the thickness and material of the non-woven fabric and the actual leveling requirements, thereby changing the distance between the two leveling rollers. Attached Figure Description

[0016] Figure 1 This is a first-person perspective structural perspective view of the present invention;

[0017] Figure 2 This is a second-view perspective structural perspective view of the present invention;

[0018] Figure 3 This is a schematic diagram of the cooperation between the upper and lower leveling rollers of this utility model;

[0019] Figure 4 This is a three-dimensional view of the second positioning vertical plate structure of this utility model.

[0020] In the diagram: 1. Base; 2. Unwinding roller; 3. Support frame; 4. Conveyor roller; 5. Upper leveling roller; 6. Lower leveling roller; 7. Non-woven fabric; 8. First positioning vertical plate; 9. Second positioning vertical plate; 10. Third positioning vertical plate; 11. Measuring ruler; 12. Locking sleeve; 13. Front moving groove; 14. Rear moving groove; 15. Connecting frame. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0023] Example 1:

[0024] Please see Figure 1 As shown, this utility model provides a non-woven fabric leveling device for automotive interiors, including a base 1, a support frame 3 installed on the left side of the top of the base 1, an unwinding roller 2 movably installed inside the support frame 3, a conveying roller 4 installed on the upper right side of the unwinding roller 2 via a first positioning vertical plate 8, non-woven fabric 7 being connected to the surfaces of the unwinding roller 2 and the conveying roller 4, an upper leveling roller 5 and a lower leveling roller 6 respectively attached to the upper and lower sides of the right end of the non-woven fabric 7, a second positioning vertical plate 9 installed on the front of the lower leveling roller 6 via a support shaft, a measuring ruler 11 snapped onto the left side of the front of the second positioning vertical plate 9, and a locking sleeve 12 sleeved on the front end of the support shaft of the lower leveling roller 6.

[0025] This technical solution uses an upper leveling roller 5 and a lower leveling roller 6 on the upper and lower sides of the right end of the nonwoven fabric 7, respectively, to simultaneously level the upper and lower surfaces of the nonwoven fabric 7. This double-sided leveling method can more effectively eliminate wrinkles and unevenness on the surface of the nonwoven fabric 7, improve the leveling effect, and ensure the quality of nonwoven fabrics used in automotive interiors. The lower leveling roller 6 is mounted on the second positioning vertical plate 9 via a support shaft, and a locking sleeve 12 is sleeved at the front end of the support shaft. The position of the lower leveling roller 6 can be adjusted according to actual needs and then fixed by the locking sleeve 12, thereby changing the distance between the two leveling rollers to adapt to nonwoven fabrics of different thicknesses and enhance the versatility of the device.

[0026] Example 2:

[0027] Based on Embodiment 1, this utility model is as follows: Figure 3 As shown, a third positioning vertical plate 10 is fixedly installed on the back of the right end of the base 1. The interior of the third positioning vertical plate 10 is provided with a rear moving groove 14. The rear end of the lower leveling roller 6 passes through the rear moving groove 14 through the support shaft and is connected by a threaded sleeve. The interior of the second positioning vertical plate 9 is provided with a front moving groove 13. One end of the support shaft at the front end of the lower leveling roller 6 is located inside the front moving groove 13 and is slidably connected.

[0028] Adopting such Figure 1 The technical solution shown uses the third positioning vertical plate 10 and the second positioning vertical plate 9 to position and support the support shaft of the lower leveling roller 6 from the rear and front ends, respectively, so that the lower leveling roller 6 can maintain a more stable state during operation. This double-sided positioning structure can effectively reduce the shaking and offset of the lower leveling roller 6 when rotating and adjusting its position, ensuring the accuracy and stability of the leveling work, improving the leveling quality of nonwoven fabric. Operators can easily adjust the position of the lower leveling roller 6 according to the thickness and material of the nonwoven fabric and the actual leveling requirements, thereby changing the distance between the two leveling rollers.

[0029] Secondly, in the technical solution, the end of the upper leveling roller 5 is fixedly installed with a connecting frame 15 through a bushing, and the left end of the connecting frame 15 is connected to the outside of the first positioning vertical plate 8; a heating roller is installed inside the upper leveling roller 5, and the heating roller is sleeved on the surface of the internal support shaft of the upper leveling roller 5.

[0030] Its adoption is as follows Figure 1 The technical solution shown has a heating roller installed inside the upper leveling roller 5. The heating roller can heat the upper leveling roller 5. During the leveling process of the nonwoven fabric 7, the heated upper leveling roller 5 can make the fibers of the nonwoven fabric 7 softer and more malleable. The heat effect can more effectively eliminate the internal stress of the nonwoven fabric 7, making it easier to smooth out wrinkles. Compared with simple mechanical extrusion leveling, it can significantly improve the flatness and smoothness of the nonwoven fabric 7 and improve the quality of nonwoven fabrics used in automotive interiors.

[0031] Example 3:

[0032] This utility model is as follows Figures 1-4 As shown, a drive motor is fixedly installed on the back of the support frame 3, and the output shaft of the drive motor passes through the support frame 3 and is connected to the end of the unwinding roller 2; the upper leveling roller 5 and the lower leveling roller 6 are arranged symmetrically, and the lower leveling roller 6 is a movable design; positioning plates are fixedly installed on the upper and lower sides of the left side of the front of the second positioning vertical plate 9, and the end of the measuring ruler 11 is engaged with the inner wall of the positioning plate.

[0033] By adopting the above technical solution, the drive motor installed on the back of the support frame 3 realizes the automation of the unwinding process. This not only saves manpower, but also allows for precise control of the unwinding speed, so that the nonwoven fabric 7 can enter the subsequent conveying and leveling stages evenly and stably, thereby improving production efficiency and product quality consistency.

[0034] The working principle of this utility model is as follows: The operator can adjust the position of the lower leveling roller 6 according to the actual situation such as the thickness of the nonwoven fabric 7 to be leveled. The support shaft at the front end of the lower leveling roller 6 slides in the front moving groove 13 inside the second positioning vertical plate 9, and the support shaft at the rear end moves in the rear moving groove 14 of the third positioning vertical plate 10. At the same time, the rear support shaft is finely adjusted by the threaded sleeve. During the adjustment process, the measuring ruler 11 that is snapped on the front of the second positioning vertical plate 9 can be used to accurately determine the moving distance of the lower leveling roller 6. After the position is adjusted, the front support shaft of the lower leveling roller 6 is fixed with the locking sleeve 12. A heating roller is installed inside the upper leveling roller 5. The heating roller will heat the upper leveling roller 5. When the nonwoven fabric enters between the upper and lower leveling rollers, the heated upper leveling roller 5 makes the nonwoven fabric fibers softer and more malleable. At the same time, the upper and lower leveling rollers squeeze the nonwoven fabric. Under the combined action of heat and mechanical extrusion, the wrinkles on the surface of the nonwoven fabric and the internal stress are effectively eliminated, and the nonwoven fabric is leveled.

[0035] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0036] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.

Claims

1. An automotive interior nonwoven fabric flattening device comprising a base (1), characterized in that: A support frame (3) is installed on the left side of the top of the base (1). An unwinding roller (2) is movably installed inside the support frame (3). A conveying roller (4) is installed on the upper right side of the unwinding roller (2) via a first positioning vertical plate (8). Non-woven fabric (7) is connected to the surfaces of the unwinding roller (2) and the conveying roller (4). An upper leveling roller (5) and a lower leveling roller (6) are respectively attached to the upper and lower sides of the right end of the non-woven fabric (7). A second positioning vertical plate (9) is installed on the front side of the lower leveling roller (6) via a support shaft. A measuring ruler (11) is snapped onto the left side of the front side of the second positioning vertical plate (9). A locking sleeve (12) is sleeved on the front end of the support shaft of the lower leveling roller (6).

2. The automobile interior nonwoven fabric flattening device according to claim 1, characterized by: A third positioning vertical plate (10) is fixedly installed on the back of the right end of the base (1). The third positioning vertical plate (10) has a rear moving groove (14) inside. The rear end of the lower leveling roller (6) passes through the rear moving groove (14) through the support shaft and is connected by a threaded sleeve.

3. The device according to claim 1, wherein: The second positioning vertical plate (9) has a front moving groove (13) vertically opened inside, and one end of the support shaft at the front end of the lower leveling roller (6) is located inside the front moving groove (13) and is slidably connected.

4. The automotive interior nonwoven fabric flattening device according to claim 1, characterized by: The end of the upper leveling roller (5) is fixedly mounted with a connecting frame (15) through a bushing, and the left end of the connecting frame (15) is connected to the outside of the first positioning vertical plate (8).

5. The device according to claim 1, wherein: The upper leveling roller (5) is equipped with a heating roller inside, and the heating roller is sleeved on the surface of the internal support shaft of the upper leveling roller (5).

6. The automotive interior nonwoven fabric flattening device according to claim 1, characterized by: A drive motor is fixedly installed on the back of the support frame (3), and the output shaft of the drive motor passes through the support frame (3) and is connected to the end of the unwinding roller (2).

7. The device according to claim 1, wherein: The upper leveling roller (5) and the lower leveling roller (6) are arranged symmetrically, and the lower leveling roller (6) is a movable design.

8. The device according to claim 1, wherein: Positioning plates are fixedly installed on both the upper and lower sides of the left side of the front of the second positioning vertical plate (9), and the end of the measuring ruler (11) is engaged with the inner wall of the positioning plate.