Papermaking repulping device

By introducing a pre-crumbing structure and pulp box design into the papermaking pulp device, the problems of excessive load and low efficiency when traditional pulp machines process raw materials are solved, and more efficient raw material crushing and paper quality improvement are achieved.

CN222685108UActive Publication Date: 2025-03-28TANSHANG JILUAN PAPER CO LTD
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Patent Information

Application Number
CN202421514691.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-03-28
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

When traditional papermaking pulpers treat wood and waste paper, due to the large differences in raw material size and hardness, they need to consume more energy and time, which increases the load and difficulty of crushing of the pulper, and the crushing efficiency needs to be improved.

Method used

A paper-making pulp device is designed, including a pre-crumbing structure and a pulp box. The pre-crumbing structure includes a crushing box, inlet port, crushing roller and inlet pipe, which is used to pre-crumble the raw materials to make their size more uniform. The pulp box is equipped with a rotating shaft, a spiral cutting knife and an auxiliary blade, which achieves more uniform mixing and dispersion through motor drive and belt drive.

Benefits of technology

By pre-crumbing the raw materials, the load and difficulty of crushing of the pulp box are reduced, and the crushing efficiency and paper quality are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of papermaking, and discloses a papermaking repulping device which comprises a repulping box, supporting legs are arranged at the four corners of the bottom of the repulping box, a fixing plate is arranged on one side of the repulping box, a first motor is arranged at the top end of the fixing plate, and a rotating shaft which is rotationally connected with the repulping box and driven by the first motor is arranged in the repulping box. A spiral cutting knife is arranged on the rotating shaft, a large number of auxiliary blades are arranged on the inner wall of the repulping box, and a pre-crushing structure communicated with the repulping box is arranged at the top end of the repulping box. Compared with the prior art, the pulping machine has the advantages that raw materials such as wood and waste paper can be directly crushed in advance and fed into the pulping box, so that the sizes of the raw materials are more uniform, and the load and the crushing difficulty of the pulping box are reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of papermaking, in particular to a papermaking pulping device. Background Art

[0002] Papermaking raw materials, such as wood and waste paper, usually contain a large number of fiber bundles, which need to be separated through the pulping process so that they can be better formed into paper in the subsequent papermaking process. Pulping can break up the fiber bundles into smaller fibers, so that the fibers can be more closely interwoven, improving the strength and uniformity of the paper.

[0003] When pulping, traditional pulpers usually directly put raw materials such as wood and waste paper into the pulper. Due to the large differences in the size and hardness of the raw materials, the pulper needs to consume more energy and time to crush these raw materials, which not only increases the load of the pulper, but also reduces the pulping efficiency. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is that conventionally, raw materials such as wood and waste paper are directly put into a pulper without any pre-crushing treatment, which increases the load of the pulper and the crushing difficulty, and the crushing efficiency needs to be further improved.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a papermaking pulping device, including a pulping box, wherein the four corners of the bottom of the pulping box are provided with supporting legs, a fixed plate is provided on one side of the pulping box, a first motor is provided on the top of the fixed plate, a rotating shaft rotatably connected and driven by the first motor is provided in the pulping box, a spiral cutting knife is provided on the rotating shaft, a large number of auxiliary blades are provided on the inner wall of the pulping box, and a pre-crushing structure communicated with the pulping box is provided on the top of the pulping box.

[0008] As an improvement, a first pulley is provided at the output end of the first motor, a second pulley is provided at the end of the rotating shaft extending outside the pulping box, and the first pulley and the second pulley are connected via a belt transmission.

[0009] As an improvement, a feed pipe is provided at one side of the bottom end of the pulp box, and a control valve is provided on the feed pipe.

[0010] As an improvement, the pre-crushing structure includes a crushing box arranged at the top of the pulping box, a feed port is provided at the top of the crushing box, a second motor is provided on one side of the crushing box, a crushing roller 1 and a crushing roller 2 driven by the second motor and used in conjunction with each other are provided in sequence in the crushing box, an opening is provided at the top of the pulping box, and a feed pipe is provided on one side of the crushing box that passes through the opening and extends into the pulping box.

[0011] As an improvement, one end of the crushing roller 1 extending outside the crushing box is connected to the output end of the second motor, and gear 1 is provided on the crushing roller 1. The end of the crushing roller 2 extending outside the crushing box is provided with gear 2 meshing with gear 1.

[0012] As an improvement, the inclination angles of the auxiliary blades are different.

[0013] 3. Beneficial Effects

[0014] The advantages of the utility model compared with the prior art are:

[0015] 1. Through the crushing box, feeding port, second motor, crushing roller 1, crushing roller 2, gear 1, gear 2 and feeding pipe, raw materials such as wood and waste paper can be directly pre-crushed and sent into the pulping box, so that the size of the raw materials is more uniform, reducing the load of the pulping box and the difficulty of crushing.

[0016] 2. Through the first motor, the first pulley, the second pulley, the belt, the rotating shaft, the spiral cutting knife and the auxiliary blade, the raw materials can be mixed and dispersed more evenly in the pulping box, thereby improving the pulping efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional schematic diagram of a papermaking pulping device of the utility model. Figure 1 .

[0018] Figure 2 This is a three-dimensional schematic diagram of a papermaking pulping device of the utility model. Figure 2 .

[0019] Figure 3 The utility model is a cross-sectional structural schematic diagram of a papermaking pulping device.

[0020] Figure 4 The utility model is a partial structural schematic diagram of a papermaking pulping device.

[0021] As shown in the figure: 1. Pulping box; 2. Support legs; 3. Fixed plate; 4. First motor; 5. Rotating shaft; 6. Spiral cutting knife; 7. Auxiliary blade; 8. Pulley 1; 9. Pulley 2; 10. Belt; 11. Feeding pipe; 12. Crushing box; 13. Feeding port; 14. Second motor; 15. Crushing roller 1; 16. Crushing roller 2; 17. Gear 1; 18. Gear 2; 19. Opening; 20. Feeding pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] Combined with Figure 1 and attached Figure 3 A papermaking pulping device comprises a pulping box 1, wherein the four corners of the bottom of the pulping box 1 are provided with supporting legs 2, a fixed plate 3 is provided on one side of the pulping box 1, a first motor 4 is provided on the top of the fixed plate 3, a rotating shaft 5 rotatably connected and driven by the first motor 4 is provided in the pulping box 1, a spiral cutting knife 6 is provided on the rotating shaft 5, a large number of auxiliary blades 7 are provided on the inner wall of the pulping box 1, a discharge pipe 11 is provided on one side of the bottom end of the pulping box 1, and a control valve is provided on the discharge pipe 11.

[0025] Through the above structure, the first motor 4 drives the rotating shaft 5 to rotate continuously, and the spiral cutting knife 6 rotates accordingly, so that the crushed raw materials and water in the pulping box 1 can be mixed and crushed. In addition, a large number of auxiliary blades 7 on the inner wall of the pulping box 1 can further assist the crushing, and the crushing efficiency is high.

[0026] Combined with Figure 1 and attached Figure 2 A pulley 1 8 is provided at the output end of the first motor 4 , and a pulley 2 9 is provided at one end of the rotating shaft 5 extending outside the pulp box 1 , and the pulley 1 8 and the pulley 2 9 are connected to each other through a belt 10 .

[0027] Through the above structure, by using the pulley 1 8, the pulley 2 9 and the belt 10, the first motor 4 can stably drive the rotating shaft 5 to rotate, the structure is simple, and the transmission is stable.

[0028] Combined with Figure 3The inclination angles of the auxiliary blades 7 are different. Since the inclination angles of the auxiliary blades 7 are different, the pulp can be completely crushed when rotating, and the crushing effect is good.

[0029] Embodiment 2

[0030] Combined with Figure 2 and attached Figure 3 The top of the pulping box 1 is provided with a pre-crushing structure connected to the pulping box 1, and the pre-crushing structure includes a crushing box 12 arranged at the top of the pulping box 1, and the top of the crushing box 12 is provided with a feeding port 13, and one side of the crushing box 12 is provided with a second motor 14, and the crushing box 12 is provided with a crushing roller 15 and a crushing roller 2 16 driven by the second motor 14 and used in conjunction with each other in sequence, and the top of the pulping box 1 is provided with an opening 19, and one side of the crushing box 12 is provided with a feeding pipe 20 that passes through the opening 19 and extends into the pulping box 1.

[0031] Through the above structure, the papermaking raw material directly enters the crushing box 12 through the feed pipe 20, and the second motor 14 drives the crushing roller 15 and the crushing roller 2 16 to rotate toward the middle, so that the papermaking raw material can be directly crushed, and then directly enters the pulping box 1 along the discharge pipe 11, which is convenient for pre-crushing, making the raw material size more uniform, reducing the load of the pulper and the crushing difficulty.

[0032] Combined with Figure 4 The end of the crushing roller 15 extending outside the crushing box 12 is connected to the output end of the second motor 14, and a gear 17 is provided on the crushing roller 15. The end of the crushing roller 2 16 extending outside the crushing box 12 is provided with a gear 2 18 meshing with the gear 17.

[0033] Through the above structure, the second motor 14 drives the crushing roller 15 and the gear 17 to rotate continuously, and the gear 2 18 meshing with the gear 17 follows the rotation, driving the crushing roller 2 16 to follow the rotation, so that the crushing roller 15 and the crushing roller 2 16 both rotate toward the middle, and the papermaking raw material is directly pre-crushed.

[0034] When the utility model is implemented:

[0035] The papermaking raw material is directly fed into the crushing box 12 through the feed port 13, and the second motor 14 is started. The second motor 14 drives the crushing roller 15 and the gear 17 to rotate continuously, and the gear 2 18 meshing with the gear 17 rotates accordingly, driving the crushing roller 2 16 to rotate accordingly, so that the crushing roller 15 and the crushing roller 2 16 both rotate toward the middle, and the papermaking raw material is directly pre-crushed to make the raw material size more uniform, thereby reducing the load and crushing difficulty of the pulping box 1.

[0036] The papermaking raw material that has been crushed in advance directly enters the pulping box 1 along the feeding pipe 20, and water is directly injected into the pulping box 1 through the opening 19, and the first motor 4 is started. The first motor 4 drives the pulley 1 8 to rotate, and under the transmission connection of the belt 10, the pulley 2 9 is driven to rotate continuously, and then the rotating shaft 5 is driven to rotate continuously, and the spiral cutting knife 6 rotates accordingly, so that the crushed raw material and water in the pulping box 1 can be mixed and crushed, and a large number of auxiliary blades 7 on the inner wall of the pulping box 1 can further assist in crushing, and the crushing efficiency is high.

[0037] Open the control valve and discharge the pulp directly through the discharge pipe 11.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0040] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A papermaking pulping device, comprising a pulping box (1), wherein the four corners of the bottom of the pulping box (1) are each provided with supporting legs (2), characterized in that: A fixed plate (3) is provided on one side of the pulping box (1), a first motor (4) is provided on the top of the fixed plate (3), a rotating shaft (5) rotatably connected and driven by the first motor (4) is provided inside the pulping box (1), a spiral cutting knife (6) is provided on the rotating shaft (5), a large number of auxiliary blades (7) are provided on the inner wall of the pulping box (1), and a pre-crushing structure connected to the pulping box (1) is provided on the top of the pulping box (1).

2. A papermaking pulping device according to claim 1, characterized in that: The output end of the first motor (4) is provided with a pulley 1 (8), and the end of the rotating shaft (5) extending outside the pulping box (1) is provided with a pulley 2 (9), and the pulley 1 (8) and the pulley 2 (9) are connected to each other through a belt (10).

3. A papermaking pulping device according to claim 1, characterized in that: A discharge pipe (11) is provided on one side of the bottom end of the pulp box (1), and a control valve is provided on the discharge pipe (11).

4. A papermaking pulping device according to claim 1, characterized in that: The pre-crushing structure comprises a crushing box (12) arranged at the top of the pulping box (1), a feeding port (13) is provided at the top of the crushing box (12), a second motor (14) is provided on one side of the crushing box (12), a crushing roller 1 (15) and a crushing roller 2 (16) driven by the second motor (14) and used in conjunction with each other are provided in the crushing box (12) in sequence, an opening (19) is provided at the top of the pulping box (1), and a feeding pipe (20) is provided on one side of the crushing box (12) which passes through the opening (19) and extends into the pulping box (1).

5. A papermaking pulping device according to claim 4, characterized in that: One end of the crushing roller 1 (15) extending outside the crushing box (12) is connected to the output end of the second motor (14), and a gear 1 (17) is provided on the crushing roller 1 (15). One end of the crushing roller 2 (16) extending outside the crushing box (12) is provided with a gear 2 (18) meshing with the gear 1 (17).

6. A papermaking pulping device according to claim 1, characterized in that: The inclination angles of the auxiliary blades (7) are different.