Dry pulping device for paper processing
By designing a dry pulping device for paper processing with shear plates and driving systems, the problem that existing devices cannot chop plant fibers is solved, and the smoothness of the paper surface is improved.
Patent Information
- Application Number
- CN202421680056.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-16
AI Technical Summary
The existing dry pulping device for paper processing cannot effectively chop plant fibers, resulting in large pieces of fibers in the pulp, affecting the smoothness of the paper.
A dry pulping device including a mixing barrel, a shear plate and a driving system is designed. The gear and the end-face gear are rotated inversely by crankshaft, and the shear plate is driven to shear and crush the plant fibers inside the mixing barrel.
Effectively avoids the aggregation of pulp fibers, ensuring the smoothness and quality of the paper.
Smart Images

Figure CN222781864U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulping devices, in particular to a dry pulping device for paper processing. Background Art
[0002] The solvent dry pulping process is a new type of pulp production method that has entered large-scale production. It gets rid of the traditional dehydration mechanism of strong alkali or strong acid, and uses the catalytic cracking and dissolution process to selectively react and dissolve lignin, colloids, etc. in the fiber raw materials, thereby obtaining good fiber pulp. Pulping is one of the steps in pulping. It is an operation process that uses mechanical action to treat pulp fibers suspended in water to make them have the characteristics required for production on a papermaking machine and to ensure that the produced paper can achieve the expected quality.
[0003] An existing dry pulping device for paper processing (publication number: CN211285047U) has at least the following disadvantages:
[0004] When the above patent is in use, the sleeve, sleeve rod and spring provided can play a role of buffering and shock absorption for the device, so as to facilitate the pulping process. Since the interior of the pulp contains plant fiber tissue, the above patent can only stir the pulp but cannot shred the plant fiber tissue. The unshredded fibers may gather into clumps, resulting in large pieces of fibers in the pulp, affecting the surface smoothness of the subsequent paper. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and proposes a dry pulping device for paper processing.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A dry pulping device for paper processing comprises a stirring barrel, a plurality of legs are fixedly mounted on the bottom end of the stirring barrel, a barrel cover is fixedly mounted on the top end of the stirring barrel, a bracket is fixedly mounted on the upper surface of the barrel cover, a first hollow shaft is rotatably mounted on the lower surface of the bracket, a second hollow shaft is rotatably mounted on the lower surface of the barrel cover, the first hollow shaft is inserted into the interior of the second hollow shaft, a shear plate is fixedly mounted on the bottom end of the first hollow shaft passing through the bottom end of the second hollow shaft, the same shear plate is fixedly mounted on the outer surface of the second hollow shaft near the bottom end, the upper and lower surfaces of the two shear plates are abutted against each other, and a plurality of stirring rods are evenly fixedly mounted on the outer surface of the second hollow shaft.
[0008] As a further solution of the utility model, an end face gear is fixedly installed on the outer surface of the first hollow shaft near the top, and the top of the second hollow shaft passes through the upper surface of the barrel cover and is fixedly installed with the same end face gear, and the two end face gears are symmetrically arranged up and down.
[0009] As a further solution of the utility model, a driving motor is fixedly mounted on the upper surface of the barrel cover, a crankshaft is fixedly mounted on the output end of the driving motor, a gear is fixedly mounted on one end of the crankshaft, and the gear is arranged between two end face gears and meshed therewith.
[0010] As a further solution of the utility model, a sliding column is slidably inserted inside the first hollow shaft, the bottom end of the sliding column passes through the bottom end of the first hollow shaft and is fixedly installed with a stirring plate, the top end of the sliding column passes through the upper surface of the bracket and is fixedly installed with a connecting rod, the upper surface of the barrel cover is fixedly installed with a limiting block, the outer surface of the limiting block passes through a limiting groove, and the connecting rod is slidably installed on the inner wall of the limiting groove.
[0011] As a further solution of the utility model, one end of the connecting rod passes through the limiting groove and is rotatably mounted with a driving rod, the outer surface of the crankshaft is provided with a crank neck, and the bottom end of the driving rod is rotatably mounted with the crank neck.
[0012] As a further solution of the utility model, a feed pipe is fixedly installed on the upper surface of the barrel cover, and a discharge pipe is fixedly installed on the bottom end of the mixing barrel, and the feed pipe and the discharge pipe are connected to the interior of the mixing barrel.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The crankshaft drives the gear to rotate, so that the gear drives the two end gears to rotate in the opposite direction. The first hollow shaft is driven to rotate by one of the end gears, so that the first hollow shaft drives the shear plate to rotate. The second hollow shaft is driven to rotate by the other end gear, so that the second hollow shaft drives the other shear plate to rotate. The two shear plates rotate in opposite directions. The plant fibers inside the mixing barrel can be sheared and crushed by the two shear plates to prevent the pulp from agglomerating and ensure the smoothness of subsequent paper production. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of a dry pulping device for paper processing proposed by the utility model;
[0016] Figure 2 This is a cross-sectional structural schematic diagram of a dry pulping device for paper processing proposed by the utility model;
[0017] Figure 3 This is a schematic diagram of the internal structure of a dry pulping device for paper processing proposed by the utility model;
[0018] Figure 4 This is a schematic diagram of a shear plate of a dry pulping device for paper processing proposed by the utility model;
[0019] Figure 5 The utility model is a schematic diagram of a driving motor of a dry pulping device for paper processing.
[0020] In the figure: 1. mixing barrel; 2. feed pipe; 3. discharge pipe; 4. bracket; 5. drive motor; 6. first hollow shaft; 7. end gear; 8. slide column; 9. gear; 10. crankshaft; 11. drive rod; 12. connecting rod; 13. limit block; 14. limit groove; 15. stirring plate; 16. shear plate; 17. second hollow shaft. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] Reference Figure 1-Figure 5A dry pulping device for paper processing comprises a mixing barrel 1, a plurality of legs are fixedly installed at the bottom end of the mixing barrel 1, a barrel cover is fixedly installed at the top end of the mixing barrel 1, a bracket 4 is fixedly installed on the upper surface of the barrel cover, a first hollow shaft 6 is rotatably installed on the lower surface of the bracket 4, a second hollow shaft 17 is rotatably installed on the lower surface of the barrel cover, the first hollow shaft 6 is inserted into the interior of the second hollow shaft 17, a shear plate 16 is fixedly installed at the bottom end of the first hollow shaft 6 penetrating through the bottom end of the second hollow shaft 17, and the same shear plate 16 is fixedly installed on the outer surface of the second hollow shaft 17 near the bottom end, The upper and lower surfaces of the two shear plates 16 are abutted against each other, a plurality of stirring rods are evenly fixedly installed on the outer surface of the second hollow shaft 17, an end face gear 7 is fixedly installed on the outer surface of the first hollow shaft 6 near the top, the top of the second hollow shaft 17 passes through the upper surface of the barrel cover and is fixedly installed with the same end face gear 7, the two end face gears 7 are symmetrically arranged up and down, a drive motor 5 is fixedly installed on the upper surface of the barrel cover, a crankshaft 10 is fixedly installed on the output end of the drive motor 5, a gear 9 is fixedly installed on one end of the crankshaft 10, and the gear 9 is arranged between the two end face gears 7 and meshes with them.
[0025] The crankshaft 10 drives the gear 9 to rotate, so that the gear 9 drives the two end gears 7 to rotate in the opposite direction, and the first hollow shaft 6 is driven to rotate through one of the end gears 7, so that the first hollow shaft 6 drives the shear plate 16 to rotate, and the second hollow shaft 17 is driven to rotate through the other end gear 7, so that the second hollow shaft 17 drives the other shear plate 16 to rotate, and the two shear plates 16 rotate in opposite directions. The plant fibers inside the mixing barrel 1 can be sheared and crushed by the two shear plates 16 to prevent the pulp from agglomerating, thereby ensuring the smoothness of subsequent paper production.
[0026] In this embodiment, a sliding column 8 is slidably inserted inside the first hollow shaft 6, and the bottom end of the sliding column 8 passes through the bottom end of the first hollow shaft 6 and is fixedly installed with a stirring plate 15, the top end of the sliding column 8 passes through the upper surface of the bracket 4 and is fixedly installed with a connecting rod 12, a limiting block 13 is fixedly installed on the upper surface of the barrel cover, and a limiting groove 14 is penetrated through the outer surface of the limiting block 13, the connecting rod 12 is slidably installed on the inner wall of the limiting groove 14, one end of the connecting rod 12 passes through the limiting groove 14 and is rotatably installed with a driving rod 11, the outer surface of the crankshaft 10 is provided with a crank neck, and the bottom end of the driving rod 11 is rotatably installed with the crank neck.
[0027] In this embodiment, the crankshaft 10 is driven to rotate by the driving motor 5, and the crankshaft 10 drives the driving rod 11 to move up and down through the crank neck, and the driving rod 11 drives the connecting rod 12 to move up and down along the limit groove 14. The connecting rod 12 drives the stirring plate 15 to move up and down through the sliding column 8, so that the pulp inside the mixing barrel 1 can be stirred up and down, which is convenient for the subsequent shearing plate 16 to shear the plant fiber. In this embodiment, a feed pipe 2 is fixedly installed on the upper surface of the barrel cover, and a discharge pipe 3 is fixedly installed on the bottom end of the mixing barrel 1. The feed pipe 2 and the discharge pipe 3 are connected to the interior of the mixing barrel 1. The pulp is added to the interior of the mixing barrel 1 through the feed pipe 2, and the processed pulp can flow out to the inside of the collection box by opening the valve on the discharge pipe 3, which is convenient for subsequent processing.
[0028] It should be noted that when the utility model is in use, the operator adds pulp into the mixing barrel 1 through the feed pipe 2, drives the crankshaft 10 to rotate through the drive motor 5, and the crankshaft 10 drives the driving rod 11 to move up and down through the curved neck, drives the connecting rod 12 to move up and down along the limit groove 14 through the driving rod 11, and drives the stirring plate 15 to move up and down through the sliding column 8, so that the pulp inside the mixing barrel 1 can be stirred up and down, which is convenient for the subsequent shearing plate 16 to shear the plant fiber; the crankshaft 10 drives the gear 9 to rotate, so that the gear 9 drives the two end gears 7 to rotate in the opposite direction, drives the first hollow shaft 6 to rotate through one of the end gears 7, so that the first hollow shaft 6 drives the shearing plate 16 to rotate, drives the second hollow shaft 17 to rotate through the other end gear 7, so that the second hollow shaft 17 drives the other shearing plate 16 to rotate, and the two shearing plates 16 rotate in opposite directions, and the plant fibers inside the mixing barrel 1 can be sheared and crushed through the two shearing plates 16 to avoid the pulp from agglomerating into a mass, thereby ensuring the smoothness of subsequent paper production.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A dry pulping device for paper processing, comprising a stirring barrel (1), wherein a plurality of legs are fixedly mounted on the bottom end of the stirring barrel (1), characterized in that: A barrel cover is fixedly mounted on the top of the mixing barrel (1), a bracket (4) is fixedly mounted on the upper surface of the barrel cover, a first hollow shaft (6) is rotatably mounted on the lower surface of the bracket (4), a second hollow shaft (17) is rotatably mounted on the lower surface of the barrel cover, the first hollow shaft (6) is inserted into the interior of the second hollow shaft (17), a shear plate (16) is fixedly mounted on the bottom end of the first hollow shaft (6) passing through the bottom end of the second hollow shaft (17), the same shear plate (16) is fixedly mounted on the outer surface of the second hollow shaft (17) near the bottom end, the upper surface and lower surface of the two shear plates (16) are abutted against each other, and a plurality of stirring rods are evenly fixedly mounted on the outer surface of the second hollow shaft (17).
2. A dry pulping device for paper processing according to claim 1, characterized in that: An end face gear (7) is fixedly mounted on the outer surface of the first hollow shaft (6) near the top end, and an identical end face gear (7) is fixedly mounted on the top end of the second hollow shaft (17) that passes through the upper surface of the barrel cover, wherein the two end face gears (7) are symmetrically arranged up and down.
3. A dry pulping device for paper processing according to claim 2, characterized in that: A drive motor (5) is fixedly mounted on the upper surface of the barrel cover, a crankshaft (10) is fixedly mounted on the output end of the drive motor (5), a gear (9) is fixedly mounted on one end of the crankshaft (10), and the gear (9) is arranged between the two end face gears (7) and meshes with the two end face gears (7).
4. A dry pulping device for paper processing according to claim 3, characterized in that: A sliding column (8) is slidably inserted inside the first hollow shaft (6), the bottom end of the sliding column (8) passes through the bottom end of the first hollow shaft (6) and is fixedly mounted with a stirring plate (15), the top end of the sliding column (8) passes through the upper surface of the bracket (4) and is fixedly mounted with a connecting rod (12), the upper surface of the barrel cover is fixedly mounted with a limiting block (13), the outer surface of the limiting block (13) passes through a limiting groove (14), and the connecting rod (12) is slidably mounted on the inner wall of the limiting groove (14).
5. A dry pulping device for paper processing according to claim 4, characterized in that: One end of the connecting rod (12) passes through the limiting groove (14) and is rotatably mounted with a driving rod (11); a crank neck is provided on the outer surface of the crankshaft (10); and the bottom end of the driving rod (11) is rotatably mounted on the crank neck.
6. The dry pulping device for paper processing according to claim 1, characterized in that: A feed pipe (2) is fixedly mounted on the upper surface of the barrel cover, and a discharge pipe (3) is fixedly mounted on the bottom end of the mixing barrel (1); the feed pipe (2) and the discharge pipe (3) are in communication with the interior of the mixing barrel (1).
Citation Information
Patent Citations
Dry pulping device for paper processing
CN211285047U