Papermaking forming net with porous structure

By designing a porous paper forming wire, the ability to guide and drain water is enhanced, solving the problem of low dewatering efficiency of traditional paper forming wires, improving pulp dewatering effect and paper quality, and increasing production efficiency and ease of maintenance.

CN223706116UActive Publication Date: 2025-12-23JIANGSU JINNI ENGINEERED FABRIC CO LTD
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Patent Information

Application Number
CN202520175428.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2025-12-23
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

The existing paper forming wire mesh has a single mesh shape, resulting in insufficient water guidance and drainage capacity, low pulp dewatering efficiency, uneven fiber distribution in the paper sheet, and reduced quality of finished paper.

Method used

The paper forming wire with a porous structure is designed, including a forming wire fixing frame, a forming wire body and a locking structure. The forming wire body is provided with diamond or hexagonal holes to enhance the ability to guide and drain water, and the forming wire body can be easily replaced by locking screws.

Benefits of technology

It improves pulp dewatering efficiency and paper forming quality, optimizes water discharge paths, reduces water accumulation, and enhances production efficiency and ease of maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a papermaking forming net with a porous structure, which comprises a forming net fixing frame, the forming net fixing frame is of a cylindrical structure, a rotating shaft is arranged on the inner side of the forming net fixing frame, and a plurality of cavities for fixing are arranged on the forming net fixing frame; and the forming net main body is inserted into the cavity of the forming net fixing frame and is fixed through a locking structure. The rhombic or hexagonal hole sites are arranged on the forming net main body, so that the water guiding and discharging capability is enhanced, the paper pulp dehydration is more uniform and efficient, the dehydration effect is greatly improved, and the forming quality of paper sheets is improved; and the water passing groove formed in the inner side of the forming net fixing frame communicates with the cavity, the water discharging path is further optimized, water accumulation is reduced, and the production efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to a paper forming wire, specifically a paper forming wire with a porous structure. Background Technology

[0002] In the papermaking industry, the forming wire is a crucial component of the paper machine, primarily used for pulp dewatering and paper sheet formation. Its performance significantly impacts pulp dewatering efficiency, paper quality, and overall production efficiency. However, existing forming wires still suffer from the following technical problems and shortcomings in practical applications:

[0003] Traditional paper forming wire meshes are mostly of a single shape with a relatively simple hole design, which cannot effectively optimize the guidance and drainage of water, resulting in a slow dewatering process and difficulty in evenly draining water from the pulp. Due to insufficient dewatering efficiency, the pulp cannot be formed quickly, which can easily lead to uneven distribution of paper fibers and further affect the quality of the finished paper. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a porous paper forming wire to solve the problems existing in the background art.

[0005] The porous paper forming wire of this utility model is achieved through the following technical solutions, including:

[0006] A molding mesh fixing frame is provided, which has a cylindrical structure and a rotating shaft is provided on the inner side of the molding mesh fixing frame. The molding mesh fixing frame is provided with multiple chambers for fixing.

[0007] The main body of the forming mesh is inserted into the cavity of the forming mesh fixing frame and fixed by a locking structure.

[0008] As a preferred technical solution, a support base is provided on the inner side of the mesh frame;

[0009] The outer ring of the support base is connected to the molded mesh frame, and a connecting rod is provided on the inner side of the support base, and the connecting rod is connected to the rotating shaft.

[0010] As a preferred technical solution, an outer filter screen is wrapped around the outside of the molded mesh fixing frame;

[0011] The inner side of the outer filter screen passes through the molding mesh fixing frame and is placed in the chamber; the inner side of the molding mesh fixing frame is provided with a water passage trough that communicates with the chamber.

[0012] As a preferred technical solution, the locking structure includes fixing seats and locking screws disposed at both ends of the inner side of the molding mesh fixing frame;

[0013] The main body of the formed mesh is provided with locking holes corresponding to the locking screws, and the locking screws are set on the fixing base;

[0014] When it is necessary to replace the main body of the molding mesh, simply loosen the locking screws, remove the main body of the molding mesh, and then replace it with another molding mesh main body.

[0015] As a preferred technical solution, the main body of the wire mesh is provided with holes arranged in a rhombus or hexagonal shape, which enhances the ability to guide and discharge water, thereby significantly improving the dewatering efficiency of the pulp.

[0016] As a preferred technical solution, partitions are provided between the chambers of the forming mesh fixing frame to limit the left and right movement of the forming mesh body.

[0017] The beneficial effects of this utility model are:

[0018] The main body of the forming wire of this utility model is provided with rhomboid or hexagonal holes, which enhances the ability to guide and discharge water, making pulp dewatering more uniform and efficient, greatly improving the dewatering effect and improving the forming quality of the paper sheet; the water channel provided on the inner side of the forming wire fixing frame is connected to the chamber, further optimizing the water discharge path, reducing water accumulation, and improving production efficiency.

[0019] The main body of the molding mesh of this utility model is fixed by locking screws and a fixing base, and locking holes corresponding to the locking screws are provided. When it is necessary to replace the main body of the molding mesh, the disassembly and replacement operation can be completed simply by loosening the locking screws, which greatly shortens the maintenance time and improves the continuity and efficiency of the production line. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0023] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Forming mesh fixing frame; 2. Forming mesh body; 3. Rotating shaft; 4. Chamber; 5. Support base; 6. Connecting rod; 7. Outer filter screen; 8. Water passage groove; 9. Fixing base; 10. Locking screw; 11. Locking hole; 12. Hole position; 13. Partition plate. Detailed Implementation

[0026] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0027] like Figures 1-3 As shown, a porous paper forming wire of this utility model includes:

[0028] A forming mesh fixing frame 1 is provided, which has a cylindrical structure and a rotating shaft 3 is provided on the inner side of the forming mesh fixing frame 1. The forming mesh fixing frame 1 is provided with multiple chambers 4 for fixing.

[0029] The forming mesh body 2 is inserted into the cavity 4 of the forming mesh fixing frame 1 and fixed by a locking structure.

[0030] In order to provide support, in this embodiment, a support base 5 is provided on the inner side of the formed mesh frame;

[0031] The outer ring of the support base 5 is connected to the molded mesh frame, and a connecting rod 6 is provided on the inner side of the support base 5, and the connecting rod 6 is connected to the rotating shaft 3.

[0032] In order to adapt to different pulps, in this embodiment, the outer layer of filter screen 7 is wrapped around the outside of the forming wire fixing frame 1;

[0033] The inner side of the outer filter screen 7 passes through the molding mesh fixing frame 1 and is placed in the chamber 4; the inner side of the molding mesh fixing frame 1 is provided with a water passage trough 8 that communicates with the chamber 4.

[0034] The porous paper forming wire mesh described above, the locking structure includes fixing seats 9 and locking screws 10 disposed at both ends of the inner side of the forming wire fixing frame 1;

[0035] The forming mesh body 2 is provided with locking holes 11 corresponding to locking screws 10, and locking screws 10 are provided on the fixing base 9;

[0036] When it is necessary to replace the different molding mesh body 2, simply loosen the locking screw 10, remove the molding mesh body 2, and then replace it with another molding mesh body 2.

[0037] In order to enhance the ability to guide and drain water, in this embodiment, the forming wire body 2 is provided with holes 12 arranged in a rhombus or hexagonal shape, which enhances the ability to guide and drain water, thereby significantly improving the dewatering efficiency of pulp.

[0038] In order to facilitate the limiting of the main body of the forming mesh, in this embodiment, a partition 13 is provided between the chambers 4 of the forming mesh fixing frame 1 to limit the left and right sides of the main body 2 of the forming mesh.

[0039] The main body of the forming wire of this utility model is provided with rhomboid or hexagonal holes, which enhances the ability to guide and discharge water, making pulp dewatering more uniform and efficient, greatly improving the dewatering effect and improving the forming quality of the paper sheet; the water channel provided on the inner side of the forming wire fixing frame is connected to the chamber, further optimizing the water discharge path, reducing water accumulation, and improving production efficiency.

[0040] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. A porous paper forming wire, characterized in that, include: A forming mesh fixing frame (1) is provided in a cylindrical structure, and a rotating shaft (3) is provided on the inner side of the forming mesh fixing frame (1). The forming mesh fixing frame (1) is provided with multiple chambers (4) for fixing. The forming mesh body (2) is inserted into the cavity (4) of the forming mesh fixing frame (1) and fixed by a locking structure.

2. The porous paper forming wire according to claim 1, characterized in that: The inner side of the fixed frame of the formed mesh is provided with a support base (5); The outer ring of the support base (5) is connected to the molded mesh frame, and a connecting rod (6) is provided on the inner side of the support base (5), and the connecting rod (6) is connected to the rotating shaft (3).

3. The porous paper forming wire according to claim 1, characterized in that: The outer layer of filter screen (7) is wrapped around the outside of the forming mesh fixing frame (1); The inner side of the outer filter screen (7) passes through the molding mesh fixing frame (1) and is placed in the chamber (4); the inner side of the molding mesh fixing frame (1) is provided with a water passage (8) that communicates with the chamber (4).

4. The porous paper forming wire according to claim 1, characterized in that: The locking structure includes a fixing seat (9) and a locking screw (10) disposed at both ends of the inner side of the forming mesh fixing frame (1); The forming mesh body (2) is provided with locking holes (11) corresponding to the locking screws (10), and the locking screws (10) are provided on the fixing base (9); When it is necessary to replace a different molding mesh body (2), simply loosen the locking screw (10), remove the molding mesh body (2), and then replace it with another molding mesh body (2).

5. The porous paper forming wire according to claim 1, characterized in that: The forming wire body (2) is provided with holes (12) arranged in a rhombus or hexagonal shape, which enhances the ability to guide and discharge water, thereby significantly improving the dewatering efficiency of pulp.

6. The porous paper forming wire according to claim 1, characterized in that: A partition (13) is provided between the chambers (4) of the forming mesh fixing frame (1) to limit the left and right positions of the forming mesh body (2).