Temperature-sensing color-changing spunlace non-woven fabric and pressing device thereof
By setting hot-pressed stripes on the underside of the nonwoven fabric substrate and combining hydroentanglement reinforcement and hot-pressing processes to manufacture the color-changing layer, the problems of the color-changing material's lack of durability and appearance impact are solved through hydroentanglement reinforcement and hot-pressing processes. This achieves reinforcement and pattern manufacturing of the color-changing layer, and is suitable for personal hygiene products such as masks, fever-reducing patches, and facial mask sheets.
Patent Information
- Application Number
- CN202423310336.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing pressing devices are unable to effectively bond the color-changing layer to the spunlace nonwoven fabric, resulting in the color-changing material being not durable and affecting the appearance of the nonwoven fabric.
The substrate is provided with hot-pressed stripes on the underside and color-changing holes and a color-changing layer on the upper side. By combining hydroentanglement reinforcement and hot pressing processes, the reinforcement of the color-changing layer and the pattern manufacturing are achieved through the synergistic effect of the conveyor roller, the hydroentanglement reinforcement chamber and the drying chamber.
Color-changing materials are more durable, have stronger structural strength, and have less impact on appearance, making them suitable for personal hygiene products such as masks, fever-reducing patches, and face mask sheets.
Smart Images

Figure CN223686126U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to non - woven fabric manufacturing technical field especially, relates to a kind of thermochromic spunlace non - woven fabric and its compression device. BACKGROUND
[0002] Thermochromic non - woven fabric is more applied to personal hygiene products such as mask, fever patch, mask cloth, and can realize intuitive temperature indicating effect using its temperature-variable characteristic.Because the color-changing effect of thermochromic non-woven fabric does not require the whole non-woven fabric to be realized, and the water jet process of spunlace non-woven fabric and the surface formed by the water jet process are not conducive to the preservation of color-changing materials, therefore, a thermochromic non-woven fabric is generally prepared by pressing the color-changing cloth and the spunlace non-woven fabric together. SUMMARY
[0003] The utility model aims at at least one of the technical problems existing in prior art is solved.For this purpose, the utility model provides a kind of thermochromic spunlace non - woven fabric and its compression device.
[0004] According to the thermochromic spunlace non-woven fabric of the first aspect embodiment of the utility model, the base material is prepared by cellulose fiber laying, water jet reinforcement, and the lower side of the base material is provided with hot-pressing stripes;The surface layer is located on the upper side of the base material, and the surface layer is provided with a color-changing area hole;The color-changing layer is located in the color-changing area hole, the connecting position between the edge of the color-changing layer and the surface layer is an interface, and the hot-pressing stripes are located below the interface.
[0005] According to some embodiments of the utility model, a moisture-absorbing layer is provided between the lower side of the surface layer and the upper side of the base material, and between the lower side of the color-changing layer and the upper side of the base material.
[0006] According to some embodiments of the utility model, the surface layer is a hot air non-woven fabric.
[0007] According to some embodiments of the utility model, the color-changing layer is a hemp fiber cloth, and the hemp fiber cloth is coated with a color-changing material.
[0008] The thermochromic spunlace non-woven fabric according to the embodiments of the utility model has at least the following technical effects: the base material is used as the main structure of the non-woven fabric, the surface layer and the color-changing layer are used as the upper surface layer, the color-changing layer can be made of a material that is more suitable for manufacturing patterns and preserving color-changing materials, ensuring that the color-changing material is more durable, and the hot-pressing stripes on the lower side of the base material can reinforce the structural strength of the color-changing layer while reducing the impact on the appearance of the non-woven fabric.
[0009] According to the pressing device of the second aspect of the utility model, for preparing the above-mentioned thermosensitive color-changing spunlace non-woven fabric, the pressing device comprises: a conveying roller for conveying the thermosensitive color-changing spunlace non-woven fabric; a spunlace reinforcing chamber, a spunlace compression roller is arranged in the spunlace reinforcing chamber, a high-pressure water chamber is arranged in the spunlace compression roller, the high-pressure water chamber is connected with a high-pressure water source, spunlace holes are distributed on the side wall of the spunlace compression roller, the spunlace holes are communicated with the high-pressure water chamber, and the spunlace compression roller presses the upper side position of the base material; a drying chamber, a hot pressing head is arranged in the drying chamber, and the hot pressing head can press the upper side position of the base material to hot-press the hot pressing stripes.
[0010] According to some embodiments of the utility model, the conveying roller has a polyethylene surface layer.
[0011] According to some embodiments of the utility model, a pre-wetting roller is arranged at the input side of the spunlace reinforcing chamber, an infiltration layer is arranged on the pre-wetting roller, and the pre-wetting roller presses the base material.
[0012] According to some embodiments of the utility model, a water absorption roller is arranged in the spunlace reinforcing chamber, the water absorption roller is located at the lower side of the thermosensitive color-changing spunlace non-woven fabric, the water absorption roller has a water absorption cavity, the water absorption cavity is connected with a vacuum pumping device, water absorption holes are distributed on the side wall of the water absorption roller, the water absorption holes are communicated with the water absorption cavity, and the water absorption roller presses the surface layer.
[0013] According to some embodiments of the utility model, a hot pressing support roller is arranged in the drying chamber, the hot pressing support roller can support the surface layer, the hot pressing head is located above the hot pressing support roller, and the hot pressing head is controlled to move up and down through a hot pressing head lifting device.
[0014] According to some embodiments of the utility model, the hot pressing head is provided with hot pressing relief patterns.
[0015] The pressing device according to the embodiments of the utility model has at least the following beneficial effects: the base material is used as the main structure of the non-woven fabric, the surface layer and the color-changing layer are used as the upper surface layer, the color-changing layer can be made of a material more suitable for manufacturing patterns and retaining color-changing materials, the color-changing materials can be more durable, the hot pressing stripes on the lower side of the base material can reinforce the structural strength of the color-changing layer, and the influence on the appearance of the non-woven fabric is reduced.
[0016] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0017] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model.
[0018] Figure 1 is a perspective view of the thermosensitive color-changing spunlace nonwoven fabric of the present application;
[0019] Figure 2 is a structural schematic view of the thermosensitive color-changing spunlace nonwoven fabric of the present application;
[0020] Figure 3 is a structural schematic view of the pressing device of the present application;
[0021] Figure 4 is a perspective view of the hot pressing head in the present application.
[0022] Reference signs:
[0023] substrate 100, hot pressing stripe 110; surface layer 200, color-changing area hole 210, joint position 220; color-changing layer 300; moisture absorption layer 400; conveying roller 500, polyethylene surface layer 510; spunlace reinforcing chamber 600, spunlace pressing roller 610, high-pressure water chamber 611, spunlace hole 612, pre-wetting roller 620, infiltration layer 621, water absorption roller 630, water absorption cavity 631, water absorption hole 632; drying chamber 700, hot pressing head 710, hot pressing head lifting device 711, hot pressing convex pattern 712, hot pressing support roller 720. DETAILED DESCRIPTION
[0024] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings 620, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0025] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application. The device or element indicated is necessarily constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0026] In the description of the present application, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0027] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.
[0028] Reference is made below Figure 1 And Figure 2 The temperature-sensitive color-changing spunlace non-woven fabric according to the embodiments of the utility model is described.
[0029] As Figure 1 And Figure 2 The temperature-sensitive color-changing spunlace non-woven fabric according to the embodiments of the utility model includes a base material 100, a surface layer 200, and a color-changing layer 300.
[0030] The base material 100 is prepared by means of cellulose fiber laying and spunlace reinforcement, and the lower side of the base material 100 is provided with a hot-pressing stripe 110; the surface layer 200 is located on the upper side of the base material 100, and the surface layer 200 is provided with a color-changing area hole 210; the color-changing layer 300 is located in the color-changing area hole 210, and the connecting position between the edge of the color-changing layer 300 and the surface layer 200 is an intersection 220, and the hot-pressing stripe 110 is located below the intersection 220.
[0031] For example, as Figure 1 And Figure 2 The base material 100 is prepared by means of cellulose fiber laying and spunlace reinforcement, that is, the base material 100 is subjected to spunlace treatment. The lower side of the base material 100 is provided with a hot-pressing stripe 110. The surface layer 200 is located on the upper side of the base material 100. The surface layer 200 is provided with a color-changing area hole 210. The color-changing layer 300 is arranged on the color-changing area hole 210. The hot-pressing stripe 110 on the lower side of the base material 100 is located at the intersection position between the surface layer 200 and the color-changing layer 300.
[0032] The base material 100 serves as the main structure to ensure the structural strength of the whole non-woven fabric. The surface layer 200 and the color-changing layer 300 are located on the upper side as the upper surface of the non-woven fabric. The color-changing layer 300 is located on the color-changing area hole 210 of the surface layer 200, so that the color-changing layer 300 can adopt a material more suitable for manufacturing patterns and retaining color-changing materials to ensure that the color-changing materials are more durable.
[0033] The hot-pressing stripe 110 is manufactured on the lower side of the base material 100, and the hot-pressing stripe 110 is located at the intersection position between the surface layer 200 and the color-changing layer 300, which can reinforce the structural strength of the color-changing layer 300 on the whole non-woven fabric while reducing the influence on the appearance effect of the upper surface of the non-woven fabric.
[0034] In some embodiments of the present application, the color-changing area hole 210 of the surface layer 200 is overlapped with the color-changing layer 300 to form an interface 220, which can make the color-changing layer 300 more solid.
[0035] In some embodiments of the present application, a moisture absorption layer 400 is arranged between the underside of the surface layer 200 and the underside of the color-changing layer 300 and the upper side of the base material 100, which is conducive to making the color-changing material on the color-changing layer 300 more durable.
[0036] In some embodiments of the present application, the moisture absorption layer 400 is made of polyester fiber moisture absorption material.
[0037] In some embodiments of the present application, the surface layer 200 is hot air non-woven fabric, which can produce better appearance effect.
[0038] In some embodiments of the present application, the color-changing layer 300 is hemp fiber cloth, and the color-changing material is coated on the hemp fiber cloth, which further makes the color-changing layer 300 more durable by using the air permeability, washing resistance and sun resistance of the hemp fiber cloth.
[0039] In some embodiments of the present application, the surface layer 200 and the color-changing layer 300 are made of the same color material, which can make the color-changing area hole 210 not too conspicuous to affect the appearance effect.
[0040] According to the pressing device of the second aspect of the present application, the warm-feeling color-changing spunlace non-woven fabric is prepared. Figure 3 The pressing device comprises: a conveying roller 500 for conveying the warm-feeling color-changing spunlace non-woven fabric; a spunlace reinforcing chamber 600, the spunlace reinforcing chamber 600 is provided with a spunlace pressing roller 610, the spunlace pressing roller 610 is provided with a high-pressure water chamber 611, the high-pressure water chamber 611 is connected with a high-pressure water source, the spunlace pressing roller 610 is provided with a spunlace hole 612 on the side wall, the spunlace hole 612 is communicated with the high-pressure water chamber 611, and the spunlace pressing roller 610 presses the upper side of the base material 100; and a drying chamber 700, the drying chamber 700 is provided with a hot pressing head 710, and the hot pressing head 710 can press the upper side of the base material 100 to hot-press out hot-pressing stripes 110.
[0041] For example, as shown in Figure 3As shown, the conveying roller 500 is used to convey the temperature-sensitive color-changing spunlace non-woven fabric. The base material 100 on the conveying roller 500 faces upward, and the surface layer 200 faces downward, which facilitates monitoring the effect of subsequent spunlace reinforcement and hot pressing processes. The spunlace reinforcement chamber 600 is provided with a spunlace pressure roller 610 responsible for reinforcing the non-woven fabric. The spunlace pressure roller 610 is provided with a high-pressure water chamber 611 connected to a high-pressure water source. The spunlace pressure roller 610 is provided with spunlace holes 612 distributed on the side wall, which are in communication with the high-pressure water chamber 611. The spunlace pressure roller 610 presses the upper side of the base material 100. The drying chamber 700 is provided with a hot pressing head 710, which can press the upper side of the base material 100 to hot press out hot pressing stripes 110.
[0042] In actual work, the non-woven fabric first enters the spunlace reinforcement chamber 600 under the traction of the conveying roller 500. The spunlace pressure roller 610 sprays water needles to perform spunlace on the base material 100, which can reinforce the connection between the base material 100 and the surface layer 200 and the color-changing layer 300. Moreover, the above can reduce the influence of spunlace reinforcement on the appearance of the surface layer 200 and the color-changing layer 300. After drying in the drying chamber 700, the non-woven fabric is subjected to hot pressing by the hot pressing head 710 to form hot pressing stripes 110.
[0043] In some embodiments of the present application, the conveying roller 500 has a polyethylene surface layer 510 to reduce the wear of the non-woven fabric surface of the present application by the conveying roller 500.
[0044] In some embodiments of the present application, the input side of the spunlace reinforcement chamber 600 is provided with a pre-wetting roller 620 provided with an impregnation layer 621. The pre-wetting roller 620 presses the base material 100 to wet the non-woven fabric of the present application through the impregnation layer 621, thereby improving the subsequent spunlace reinforcement effect.
[0045] In some embodiments of the present application, the spunlace reinforcement chamber 600 is provided with a water absorption roller 630 located on the lower side of the temperature-sensitive color-changing spunlace non-woven fabric. The water absorption roller 630 has a water absorption cavity 631 connected to a vacuum pumping device. The water absorption roller 630 is provided with water absorption holes 632 distributed on the side wall, which are in communication with the water absorption cavity 631. The water absorption roller 630 presses the surface layer 200.
[0046] In some embodiments of the present application, the drying chamber 700 is provided with a hot pressing support roller 720 capable of pressing the surface layer 200. The hot pressing head 710 is located above the hot pressing support roller 720 and is controlled to move up and down by a hot pressing head lifting device 711. When the color-changing area hole 210 of the non-woven fabric of the present application reaches the position corresponding to the hot pressing head 710, the hot pressing head lifting device 711 controls the hot pressing head 710 to descend
[0047] In some embodiments of the utility model, refer to Figure 4 The hot pressing convex grain 712 is arranged on the hot pressing head 710, and the hot pressing convex grain 712 is used for hot pressing the base material 100, so that the accurate hot pressing grain effect is more easily pressed out.
[0048] In some embodiments of the utility model, the hot pressing stripe 110 hot pressed by the hot pressing convex grain 712 is a linear hot pressing grain arranged on the left and right sides of the base material 100.
[0049] According to the mask of the third aspect of the utility model, the mask body is made of the temperature-sensitive color-changing spunlace nonwoven fabric, the silver ion disinfecting antibacterial film is arranged between the base material 100 and the surface layer 200, and the anti-static film is arranged on the base material 100.
[0050] According to the fever-reducing patch of the fourth aspect of the utility model, the fever-reducing patch body is made of the temperature-sensitive color-changing spunlace nonwoven fabric, and the hydrogel is arranged on the lower side of the base material 100.
[0051] According to the mask cloth of the fifth aspect of the utility model, the temperature-sensitive color-changing spunlace nonwoven fabric is used.
[0052] Other configurations and operations of the pressing device according to the embodiments of the utility model are known to those skilled in the art, and will not be described in detail here.
[0053] In the following Figure 1 and Figure 2 , the temperature-sensitive color-changing spunlace nonwoven fabric according to the embodiments of the utility model is described in detail with a specific embodiment. It should be understood that the following description is only exemplary and is not a specific limitation of the utility model.
[0054] As shown in Figure 1 and Figure 2 , the temperature-sensitive color-changing spunlace nonwoven fabric according to the embodiments of the utility model includes a base material 100, a surface layer 200, a color-changing layer 300, and a moisture-absorbing layer 400.
[0055] The base material 100 is provided with a hot pressing stripe 110. The surface layer 200 is provided with a color-changing area hole 210. The color-changing layer 300 is located in the color-changing area hole 210. The moisture-absorbing layer 400 is located between the base material 100 and the surface layer 200.
[0056] In some embodiments of the utility model, as shown in Figure 3 and Figure 4 , the pressing device according to the embodiments of the utility model includes a conveying roller 500, a spunlace reinforcing chamber 600, and a drying chamber 700.
[0057] The conveying roller 500 is provided with a polyethylene surface layer 510. The spunlace reinforcing chamber 600 is provided with a spunlace pressure roller 610, a pre-wetting roller 620, and a water absorption roller 630. The spunlace pressure roller 610 comprises a high-pressure water chamber 611 and spunlace holes 612. The pre-wetting roller 620 comprises a soaking layer 621. The water absorption roller 630 comprises a water absorption cavity 631 and water absorption holes 632. The drying chamber 700 is provided with a hot pressing head 710 and a hot pressing support roller 720. The hot pressing head 710 is provided with a hot pressing head lifting device 711 and hot pressing ridges 712.
[0058] According to the temperature-sensitive color-changing spunlace non-woven fabric, the base material 100 serves as the main structure, the surface layer 200 and the color-changing layer 300 serve as the upper surface layer, the color-changing layer 300 can be made of a material that is more suitable for manufacturing patterns and retaining color-changing materials, so that the color-changing materials are more durable, the hot pressing stripes 110 on the lower side of the base material 100 can reinforce the structural strength of the color-changing layer 300 and reduce the influence on the appearance of the non-woven fabric, the non-woven fabric first enters the spunlace reinforcing chamber 600 to perform the spunlace reinforcing work, so that the connection effect between the base material 100 and the surface layer 200 and the color-changing layer 300 is achieved. Moreover, the spunlace reinforcing work can reduce the influence on the appearance of the surface layer 200 and the color-changing layer 300.
[0059] In the description of the present specification, the description of the terms “some embodiments” or “it is conceivable that” and the like means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0060] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A temperature-sensitive color-changing spunlace nonwoven fabric, characterized in that, include: The substrate (100) is prepared by cellulose fiber web laying and hydroentanglement reinforcement, and the substrate (100) has hot-pressed stripes (110) on its lower side. A surface layer (200) is located on the upper side of the substrate (100), and a color-changing area hole (210) is provided on the surface layer (200). The color-changing layer (300) is located in the color-changing area hole (210), and the connection position between the edge of the color-changing layer (300) and the surface layer (200) is the junction position (220). The hot-pressed stripe (110) is located below the junction position (220).
2. The temperature-sensitive color-changing spunlace nonwoven fabric according to claim 1, characterized in that, A moisture-absorbing layer (400) is provided between the lower side of the surface layer (200) and the upper side of the substrate (100), and between the lower side of the color-changing layer (300) and the upper side of the substrate (100).
3. The temperature-sensitive color-changing spunlace nonwoven fabric according to claim 1, characterized in that, The surface layer (200) is hot air nonwoven fabric.
4. The temperature-sensitive color-changing spunlace nonwoven fabric according to claim 1, characterized in that, The color-changing layer (300) is a hemp fiber cloth coated with a color-changing material.
5. A pressing device, characterized in that, For preparing thermochromic spunlace nonwoven fabric according to any one of claims 1 to 4, the pressing device comprises: Conveyor roller (500) is used to convey the temperature-sensitive color-changing spunlace nonwoven fabric; A hydroentangled reinforcement chamber (600) is provided with a hydroentangled pressure roller (610) and a high-pressure water chamber (611) is provided inside the hydroentangled pressure roller (610). The high-pressure water chamber (611) is connected to a high-pressure water source. Hydroentangled holes (612) are distributed on the side wall of the hydroentangled pressure roller (610). The hydroentangled holes (612) are connected to the high-pressure water chamber (611). The hydroentangled pressure roller (610) presses against the upper side of the substrate (100). A drying chamber (700) is provided with a hot press head (710), which can press the upper side of the substrate (100) to hot press out the hot press stripes (110).
6. The pressing device according to claim 5, characterized in that, The conveyor roller (500) has a polyethylene surface layer (510).
7. The pressing device according to claim 5, characterized in that, A pre-wetting roller (620) is provided on the input side of the hydroentangled reinforcement chamber (600), and an impregnation layer (621) is provided on the pre-wetting roller (620). The pre-wetting roller (620) presses down on the substrate (100).
8. The pressing device according to claim 5, characterized in that, A water-absorbing roller (630) is provided inside the hydroentangled reinforcement chamber (600). The water-absorbing roller (630) is located on the underside of the temperature-sensitive color-changing hydroentangled nonwoven fabric. The water-absorbing roller (630) has a water-absorbing cavity (631) inside. The water-absorbing cavity (631) is connected to a vacuum device. Water-absorbing holes (632) are distributed on the side wall of the water-absorbing roller. The water-absorbing holes (632) are connected to the water-absorbing cavity (631). The water-absorbing roller (630) presses against the surface layer (200).
9. The pressing device according to claim 5, characterized in that, The drying chamber (700) is equipped with a hot-press support roller (720), which can support the surface layer (200). The hot-press head (710) is located above the hot-press support roller (720), and the hot-press head (710) is controlled to move up and down by a hot-press head lifting device (711).
10. The pressing device according to claim 5, characterized in that, The hot press head (710) is provided with hot press ridges (712).