Composite core containing wood pulp and production line thereof
By introducing a multi-layer structure and wood pulp cotton into the absorbent core, the problem of slow absorption speed of existing cores has been solved, and a significant improvement in absorption speed has been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2026-03-13
AI Technical Summary
The absorption rate of existing absorption cores cannot be effectively increased.
The composite core design employs a multi-layer structure, including a bottom layer, a lower absorbent layer, a middle layer, and an upper absorbent layer. Each layer is made of different composite materials, with wood pulp cotton added to the lower absorbent layer, and the process is carried out through a specific production line.
It effectively improves the absorption rate of the core.
Smart Images
Figure CN223987978U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of diaper core processing, and in particular to a composite core containing wood pulp and its production line. Background Technology
[0002] Currently, there are two main types of absorbent cores: all-wood pulp and composite cores. Neither of these two types of cores can effectively improve the absorption rate.
[0003] Therefore, there is an urgent need for a wood pulp-containing composite core and its production line to solve the above problems. Utility Model Content
[0004] The purpose of this invention is to provide a wood pulp-containing composite core and its production line to solve the problems existing in the prior art.
[0005] To achieve the above objectives, this utility model provides the following solution:
[0006] This utility model provides a composite core containing wood pulp, including a bottom layer, a lower absorbent layer composited above the bottom layer, an intermediate layer composited above the lower absorbent layer, an upper absorbent layer composited above the intermediate layer, and a surface layer composited above the upper absorbent layer.
[0007] Preferably, the bottom layer is a non-woven fabric layer.
[0008] Preferably, the lower absorbent layer is a mixture of polymer and wood pulp cotton.
[0009] Preferably, the intermediate layer is made of a fluffy fabric.
[0010] Preferably, the upper absorbent layer is a polymer layer.
[0011] Preferably, the surface layer is a dust-free paper layer.
[0012] The present invention also provides a composite core production line containing wood pulp, including a nonwoven fabric unwinding device, a cotton mixing box in front of the nonwoven fabric unwinding device, a first polymer spreading device in front of the cotton mixing box, a fluffy fabric unwinding device in front of the first polymer spreading device, a second polymer spreading device in front of the fluffy fabric unwinding device, a dust-free paper unwinding device in front of the second polymer spreading device, and a slitting and winding device in front of the dust-free paper unwinding device.
[0013] Preferably, the cotton mixing box is connected to the wood pulp crusher via a turbine fan.
[0014] The present invention achieves the following beneficial technical effects compared to the prior art:
[0015] This utility model provides a wood pulp-containing composite core and its production line. The composite core includes a bottom layer, a lower absorbent layer on top of the bottom layer, an intermediate layer on top of the lower absorbent layer, an upper absorbent layer on top of the intermediate layer, and a surface layer on top of the upper absorbent layer. By adding wood pulp cotton to the existing composite core, the absorption rate of the core can be effectively improved. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A schematic diagram of a composite core structure containing wood pulp provided by this utility model;
[0018] Figure 2 A schematic diagram of a composite core production line containing wood pulp provided for this utility model. Detailed Implementation
[0019] 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.
[0020] The purpose of this invention is to provide a composite core containing wood pulp and its production line to solve the problems existing in the prior art.
[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0022] Example 1:
[0023] This embodiment provides a composite core containing wood pulp, such as... Figure 1 As shown, it includes a bottom layer 1, a lower absorption layer 2 laminated above the bottom layer 1, an intermediate layer 3 laminated above the lower absorption layer 2, an upper absorption layer 4 laminated above the intermediate layer 3, and a surface layer 5 laminated above the upper absorption layer 4.
[0024] As one implementation method, the bottom layer 1 is made of non-woven fabric.
[0025] In one implementation, the lower absorbent layer 2 is a mixture of polymer and wood pulp cotton.
[0026] As one implementation method, the intermediate layer 3 is made of a fluffy fabric.
[0027] In one implementation, the upper absorber layer 4 is a polymer layer.
[0028] As one implementation method, the surface layer 5 is made of dust-free paper.
[0029] This embodiment also provides a composite core production line containing wood pulp, such as... Figure 2 As shown, the device includes a nonwoven fabric unwinding device 6, a cotton mixing box 7 in front of the nonwoven fabric unwinding device 6, a first polymer spreading device 8 in front of the cotton mixing box 7, a fluffy fabric unwinding device 9 in front of the first polymer spreading device 8, a second polymer spreading device 10 in front of the fluffy fabric unwinding device 9, a dust-free paper unwinding device 11 in front of the second polymer spreading device 10, and a slitting and winding device 12 in front of the dust-free paper unwinding device 11.
[0030] In one implementation, the cotton mixing box 7 is connected to the wood pulp pulverizer 14 via a turbine fan 13, thereby achieving the mixing of wood pulp cotton.
[0031] This utility model provides a wood pulp-containing composite core and its production line, which can effectively improve the absorption rate of the core by adding wood pulp cotton to the existing composite core.
[0032] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.
Claims
1. A composite core body comprising wood pulp, characterized by: The bottom layer is compounded with a lower absorbing layer, the lower absorbing layer is compounded with an intermediate layer, the intermediate layer is compounded with an upper absorbing layer, and the upper absorbing layer is compounded with a surface layer; the lower absorbing layer is a mixed layer of polymer and wood pulp cotton.
2. The wood pulp-containing composite core according to claim 1, characterized in that: The bottom layer is a non-woven fabric layer.
3. The wood pulp-containing composite core according to claim 1, characterized in that: The intermediate layer is a fluffy cloth layer.
4. The wood pulp-containing composite core according to claim 1, characterized in that: The upper absorbing layer is a polymer layer.
5. The wood pulp-containing composite core of claim 1, wherein: The surface layer is a dust-free paper layer.
6. A wood pulp containing composite core production line characterized by: The wood pulp-containing composite core body is produced by using a non-woven fabric unwinding device, a cotton mixing box arranged in front of the non-woven fabric unwinding device, a first polymer spreading device arranged in front of the cotton mixing box, a fluffy cloth unwinding device arranged in front of the first polymer spreading device, a second polymer spreading device arranged in front of the fluffy cloth unwinding device, a dust-free paper unwinding device arranged in front of the second polymer spreading device, and a slitting and winding device arranged in front of the dust-free paper unwinding device.
7. The wood pulp containing composite core production line of claim 6, wherein: The cotton mixing box is connected with a wood pulp grinder through a turbine fan.