Crushing device for waste paper recycling pretreatment

Abstract

The utility model discloses a crushing device for waste paper recovery pretreatment, which relates to the technical field of papermaking, and is characterized by comprising a shell, two first conveying rollers are rotatably connected onto the shell, and the two first conveying rollers are respectively in transmission connection with a second conveying roller through a conveying belt; one end of each second conveying roller is connected with a first motor through a coupler, a first baffle is fixedly connected to the interior of the shell, a transverse shaft is arranged on one side of the first baffle, a plurality of blades are fixedly connected to the transverse shaft, one end of the transverse shaft is connected with a second motor through a coupler, and a limiting roller and a transverse cutting roller are rotationally connected to the shell; a plurality of cutters are fixedly connected to the transverse cutting roller; the multiple blades can cut and crush waste paper in the vertical direction, and the multiple cutters on the transverse cutting roller can cut and crush the waste paper in the transverse direction, so that the waste paper is cut and crushed into small blocks, follow-up treatment is facilitated, and pulping efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of papermaking technology, and more specifically, to a crushing device for waste paper recycling pretreatment. Background Technology

[0002] Papermaking using waste paper is an environmentally friendly recycling process. The main steps include waste paper recycling, sorting, shredding, removal of impurities (such as plastics and adhesives), and deinking. Subsequently, bleaching (optional) restores fiber cleanliness, forming recycled pulp, which is then processed into new paper products through papermaking, pressing, and drying. This process significantly reduces wood consumption and energy use, lowers wastewater and carbon emissions, and gives waste paper a second life. It is widely used in the production of packaging paper, newsprint, and sanitary paper, representing an important practice for achieving efficient resource utilization and sustainable development.

[0003] To improve pulping efficiency, waste paper needs to be cut and crushed into small pieces before pulping. For example, in a waste paper recycling crushing device disclosed in CN221497200U, waste paper enters the main body of the device from the waste paper inlet, falls onto the conveyor belt, and passes through inclined compression rollers. The compression rollers and the conical blocks distributed on the surface of the compression rollers can compact the waste paper. After being cut by the cutter, it is formed into small, compact pieces, which are convenient for subsequent processing.

[0004] However, the aforementioned patent can only cut and crush waste paper in one direction, and the crushing effect is generally poor. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a crushing device for waste paper recycling pretreatment.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a crushing device for waste paper recycling pretreatment, comprising a housing and a drive assembly;

[0007] Two first conveying rollers are rotatably connected to the housing. The two first conveying rollers are each connected to a second conveying roller via a conveyor belt. Both second conveying rollers are rotatably connected to the housing. One end of each of the two second conveying rollers is connected to a first motor via a coupling. Both first motors are mounted on the housing. A first baffle is fixedly connected inside the housing. A horizontal shaft is provided on one side of the first baffle. The horizontal shaft is rotatably connected to the housing. Multiple blades are fixedly connected to the horizontal shaft. One end of the horizontal shaft is connected to a second motor via a coupling. The second motor is mounted on the housing. A limit roller and a cross-cutting roller are rotatably connected to the housing. Multiple cutters are fixedly connected to the cross-cutting roller.

[0008] The drive assembly is connected to the second conveying roller, and the drive assembly is used to drive the limiting roller and the cross-cutting roller to rotate.

[0009] Preferably, multiple support rollers are respectively abutting on the two conveyor belts, and the multiple support rollers are rotatably connected to the housing.

[0010] Preferably, a second baffle is provided on one side of the first baffle, the second baffle is fixedly connected to the housing, and the plurality of blades all penetrate the second baffle.

[0011] Preferably, the drive assembly includes a first synchronous pulley, a synchronous belt, and a second synchronous pulley. There are two first synchronous pulleys, each fixedly connected to one end of a second conveying roller. The two first synchronous pulleys are respectively connected to the second synchronous pulleys via synchronous belt drives. The two second synchronous pulleys are respectively fixedly connected to one end of a limiting roller and a cross-cutting roller.

[0012] Preferably, a plurality of support legs are fixedly connected to the housing.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] Waste paper is fed from the top of the casing between two conveyor belts. The two conveyor belts then move the waste paper downwards, squeezing and gathering it towards the center during the movement. The gathered waste paper is then pushed through a first baffle and multiple blades. The blades cut and shred the waste paper vertically. The cut waste paper then moves between a limiting roller and a cross-cutting roller. The drive assembly rotates the limiting roller and the cross-cutting roller, and the multiple cutters on the cross-cutting roller cut and shred the waste paper horizontally, thus breaking it into small pieces for easier subsequent processing and improving pulping efficiency.

[0015] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it according to the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. The specific implementation methods of this utility model are given in detail in the following embodiments and their accompanying drawings. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0018] Figure 2 This is a cross-sectional view of the housing according to an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the drive component structure according to an embodiment of the present utility model.

[0020] In the diagram: 1. Housing; 2. First conveyor roller; 3. Conveyor belt; 4. Second conveyor roller; 5. First motor; 6. First baffle; 7. Horizontal shaft; 8. Blade; 9. Second motor; 10. Limiting roller; 11. Cross-cutting roller; 12. Cutter; 13. Support roller; 14. Second baffle; 15. First synchronous pulley; 16. Synchronous belt; 17. Second synchronous pulley; 18. Support leg. Detailed Implementation

[0021] 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.

[0022] In the description of the embodiments of this utility model, it should be noted that if terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," or "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first," "second," and "third" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] Reference Figures 1 to 3 This utility model provides a technical solution: a crushing device for waste paper recycling pretreatment, including a housing 1 and a drive assembly;

[0025] Two first conveying rollers 2 are rotatably connected to the housing 1. Each of the two first conveying rollers 2 is connected to a second conveying roller 4 via a conveyor belt 3. Both second conveying rollers 4 are rotatably connected to the housing 1. One end of each of the two second conveying rollers 4 is connected to a first motor 5 via a coupling. Both first motors 5 are mounted on the housing 1. Figure 2 and Figure 3 The first motor 5 drives the second conveyor roller 4 to rotate, and the second conveyor roller 4 drives the first conveyor roller 2 to rotate via the conveyor belt 3. A first baffle 6 is fixedly connected inside the housing 1. A horizontal shaft 7 is provided on one side of the first baffle 6 and is rotatably connected to the housing 1. Multiple blades 8 are fixedly connected to the horizontal shaft 7. One end of the horizontal shaft 7 is connected to a second motor 9 via a coupling. The second motor 9 is mounted on the housing 1. Figure 2 and Figure 3 The second motor 9 can drive the horizontal shaft 7 to rotate, and the horizontal shaft 7 can drive the multiple blades 8 on it to rotate and cut. The housing 1 is rotatably connected to the limiting roller 10 and the cross-cutting roller 11, and multiple cutters 12 are fixedly connected to the cross-cutting roller 11.

[0026] like Figure 2 and Figure 3 The distance between the two first conveyor rollers 2 is greater than the distance between the two second conveyor rollers 4. Waste paper is fed into the space between the two conveyor belts 3 through the upper end of the housing 1. The two conveyor belts 3 can then drive the waste paper to move downwards and squeeze and gather it towards the center during the movement of the waste paper. The gathered waste paper will be pushed through the space between the first baffle 6 and multiple blades 8. The multiple blades 8 can then cut and crush the waste paper vertically.

[0027] The drive assembly is connected to the second conveying roller 4, and the drive assembly is used to drive the limiting roller 10 and the cross-cutting roller 11 to rotate.

[0028] like Figure 2 and Figure 3 After being cut by the blade 8, the waste paper moves between the limiting roller 10 and the cross-cutting roller 11. The driving component drives the limiting roller 10 and the cross-cutting roller 11 to rotate. The multiple cutters 12 on the cross-cutting roller 11 can cut and crush the waste paper in the transverse direction, thereby cutting the waste paper into small pieces, which is convenient for subsequent processing and helps to improve pulping efficiency.

[0029] Specifically, multiple support rollers 13 are respectively attached to the two conveyor belts 3, and all of the multiple support rollers 13 are rotatably connected to the housing 1, such as... Figure 2 By using multiple support rollers 13 to provide auxiliary support for the conveyor belt 3, the squeezing force of the conveyor belt 3 on the waste paper can be increased, which is more conducive to the conveying of waste paper.

[0030] Specifically, a second baffle 14 is provided on one side of the first baffle 6. The second baffle 14 is fixedly connected to the housing 1, and the plurality of blades 8 all penetrate the second baffle 14. Figure 2 and Figure 3 The waste paper passes between the first baffle 6 and the second baffle 14, which restricts the movement of the waste paper and prevents the rotating blade 8 from scattering the waste paper.

[0031] Specifically, the drive assembly includes a first synchronous pulley 15, a synchronous belt 16, and a second synchronous pulley 17. There are two first synchronous pulleys 15, which are respectively fixedly connected to one end of two second conveying rollers 4. The two first synchronous pulleys 15 are respectively connected to the second synchronous pulleys 17 via the synchronous belt 16. The two second synchronous pulleys 17 are respectively fixedly connected to one end of the limiting roller 10 and the cross-cutting roller 11.

[0032] like Figure 1 and Figure 3 The two second conveying rollers 4 rotate in opposite directions. The two second conveying rollers 4 drive the limiting roller 10 and the cross-cutting roller 11 to rotate via the synchronous belt 16. The limiting roller 10 and the cross-cutting roller 11 also rotate in opposite directions, so that the multiple cutters 12 can smoothly cut the waste paper.

[0033] Specifically, a plurality of support legs 18 are fixedly connected to the housing 1, such as Figure 1 Multiple support legs 18 can raise the housing 1, making it easy to mount the housing 1 on an external conveyor belt, thereby enabling the conveying of shredded waste paper.

[0034] Working principle: Waste paper is fed from the top of the housing 1 between two conveyor belts 3. The two conveyor belts 3 can drive the waste paper to move downwards and squeeze and gather the waste paper towards the center during the movement. The gathered waste paper is pushed through the first baffle 6 and multiple blades 8. The multiple blades 8 can cut and crush the waste paper vertically. The waste paper cut by the blades 8 will move between the limiting roller 10 and the cross-cutting roller 11. The driving component drives the limiting roller 10 and the cross-cutting roller 11 to rotate. The multiple cutters 12 on the cross-cutting roller 11 can cut and crush the waste paper horizontally, thereby cutting the waste paper into small pieces, which is convenient for subsequent processing and helps to improve pulping efficiency.

[0035] It should be noted that all electrical components appearing in this application are connected to an external main controller and 220V AC mains power. The main controller can be a processor, alarm module, or drive module, etc., to control conventional known devices. All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as bolts, rivets, and welding, which are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, and will not be described in detail here.

[0036] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A crushing device for waste paper recycling pretreatment, characterized in that, Includes housing (1) and drive assembly; Two first conveying rollers (2) are rotatably connected to the housing (1). The two first conveying rollers (2) are respectively connected to second conveying rollers (4) via conveyor belts (3). The two second conveying rollers (4) are rotatably connected to the housing (1). One end of the two second conveying rollers (4) is connected to a first motor (5) via a coupling. The two first motors (5) are installed on the housing (1). A first baffle (6) is fixedly connected inside the housing (1). A horizontal shaft (7) is provided on one side of the first baffle (6). The horizontal shaft (7) is rotatably connected to the housing (1). Multiple blades (8) are fixedly connected on the horizontal shaft (7). One end of the horizontal shaft (7) is connected to a second motor (9) via a coupling. The second motor (9) is installed on the housing (1). A limit roller (10) and a cross-cutting roller (11) are rotatably connected to the housing (1). Multiple cutters (12) are fixedly connected on the cross-cutting roller (11). The drive assembly is connected to the second conveying roller (4), and the drive assembly is used to drive the limiting roller (10) and the cross-cutting roller (11) to rotate.

2. The crushing device for waste paper recycling pretreatment according to claim 1, characterized in that: Multiple support rollers (13) are respectively abutting on the two conveyor belts (3), and the multiple support rollers (13) are rotatably connected to the housing (1).

3. The crushing device for waste paper recycling pretreatment according to claim 1, characterized in that: A second baffle (14) is provided on one side of the first baffle (6). The second baffle (14) is fixedly connected to the housing (1), and the multiple blades (8) all penetrate the second baffle (14).

4. The waste paper recycling pretreatment crushing device according to claim 1, characterized in that: The drive assembly includes a first synchronous pulley (15), a synchronous belt (16), and a second synchronous pulley (17). There are two first synchronous pulleys (15) and they are respectively fixedly connected to one end of two second conveying rollers (4). The two first synchronous pulleys (15) are respectively connected to the second synchronous pulleys (17) via the synchronous belt (16). The two second synchronous pulleys (17) are respectively fixedly connected to one end of the limiting roller (10) and the cross-cutting roller (11).

5. The crushing device for waste paper recycling pretreatment according to claim 1, characterized in that: Multiple support legs (18) are fixedly connected to the housing (1).

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