Paper pulp screening device for paperboard production

Abstract

The utility model relates to the technical field of screening for paperboard production, and discloses a paperboard production paper pulp screening device which comprises a connecting frame, the left end of the connecting frame is fixedly connected with an air bellow, the front end of the air bellow is fixedly connected with a controller, and the right end of the connecting frame is connected with a screening bin through a screening assembly. The top end of the screening bin is fixedly connected with an air injection opening, the right end of the outer wall of the screening bin is fixedly connected with a material conveying opening and penetrates through the material conveying opening, the front end and the rear end of the outer wall of the screening bin are fixedly connected with material discharging openings and penetrate through the material discharging openings, and the upper end and the lower end of the inner wall of the screening bin are fixedly connected with filter screens. The inner wall of the supporting frame is connected with a connecting opening through an air conveying assembly. According to the screening device, the screening efficiency is improved, the treatment process of paper pulp can be accelerated by improving the screening efficiency, the material discharging efficiency is improved, and the screening device can treat more paper pulp within the same time by improving the material discharging efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of screening for paperboard production, in particular to a paper pulp screening device for paperboard production. Background Art

[0002] Cardboard is a common paper container packaging material, which is made of face paper, lining paper, core paper and corrugated paper by gluing together. It is widely used in the field of transportation packaging. Cardboard has many advantages, including good cushioning performance, light weight and strength, low cost and excellent printing performance. In the production process of cardboard, pulp screening machines are often used to screen the pulp.

[0003] After searching, a paperboard production pulp screening device with announcement number CN219218541U includes a vibrating screen body and an extension mechanism, the extension mechanism is arranged on the top of the vibrating screen body, the extension mechanism includes a mounting ring, the top of the mounting ring is provided with an annular receiving groove, the inside of the annular receiving groove is provided with an extension sleeve, the top of the extension sleeve is fixedly connected with a traction ring, one side of the traction ring is provided with a support assembly, and the bottom of the traction ring is symmetrically provided with a binding assembly. The utility model utilizes the arrangement of the mounting ring, the extension sleeve, the traction ring and the support assembly, and through the coordination of the mounting ring, the extension sleeve, the traction ring and the support assembly, the raw material storage space of the pulp vibrating screen can be increased, the problem of a small amount of single material addition is solved, the number of times the staff adds materials is reduced, and the convenience of using the pulp vibrating screen is improved.

[0004] Based on the above patent, the raw material storage space of the pulp vibrating screen can be increased by cooperating with the mounting ring, extension sleeve, traction ring and support assembly, which solves the problem of small amount of single material addition, reduces the number of times the staff adds materials, and improves the convenience of using the pulp vibrating screen. However, since the above screening device uses a vibration device, when vibrating and screening viscous materials, the vibration causes the material to be adsorbed on the filter screen, causing the filter screen to be blocked, making it inconvenient to screen the material, affecting the screening efficiency. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a pulp screening device for cardboard production to improve the screening efficiency. The improvement of the screening efficiency can accelerate the pulp processing process and improve the material discharge efficiency. By improving the material discharge efficiency, the screening device can process more pulp in the same time.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pulp screening device for cardboard production comprises a connecting frame, a bellows is fixedly connected to the left end of the connecting frame, a controller is fixedly connected to the front end of the bellows, a screening bin is connected to the right end of the connecting frame via a screening assembly, an air injection port is fixedly connected to the top of the screening bin, a feeding port is fixedly connected to and penetrates the right end of the outer wall of the screening bin, a discharge port is fixedly connected to and penetrates the front and rear ends of the outer wall of the screening bin, a filter is fixedly connected to the upper and lower ends of the inner wall of the screening bin, a support frame is fixedly connected to the top of the left end of the connecting frame, and the inner wall of the support frame is connected to the connecting port via an air delivery assembly.

[0008] Furthermore, the screening material assembly includes a driving motor fixedly connected to the top of the connecting frame, the driving end of the driving motor is fixedly connected to a connecting plate, the bottom of the right end of the connecting plate is connected to the middle of the top of the screening bin through a gear set, the bottom end of the screening bin is rotatably connected to a connecting column, the bottom end of the connecting column is fixedly connected to a connecting ring, and the bottom end of the connecting ring is installed with a support ring.

[0009] Furthermore, the air delivery assembly includes a connecting pipe fixedly connected to the top of the bellows and passing through it, a dustproof net is fixedly connected to the left end of the bellows, a circulating fan is installed on the inner wall of the bellows, and a winding column is rotatably connected to the inner wall of the support frame through a spring sheet.

[0010] Furthermore, the bottom end of the connecting port is fixedly connected to the top end of the connecting pipe.

[0011] Furthermore, the gear set includes a transmission gear rotatably connected to the bottom end of the connecting plate and a gear ring fixedly connected to the top end of the inner wall of the connecting frame. The gear ring and the transmission gear are meshed and the bottom end of the transmission gear is fixedly connected to the top end of the screening bin.

[0012] Furthermore, the bottom end of the support ring is fixedly connected to the bottom end of the inner wall of the connecting frame.

[0013] Furthermore, the left side of the top end of the connecting plate is rotatably connected to the inner wall of the top end of the connecting frame.

[0014] Furthermore, the front end of the spring sheet is fixedly connected to the inner wall of the rear end of the support frame, and the front end of the spring sheet is fixedly connected to the rear end of the winding column.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the screening efficiency is improved by using a driving motor, a connecting plate, a transmission gear, a transfer column, a connecting ring, a support ring and a gear ring in combination. The improvement of the screening efficiency can accelerate the pulp processing process, thereby improving the operation speed and production efficiency of the entire production line, which not only helps to reduce costs, but also meets the requirements of environmental protection and sustainable development.

[0017] 2. In the utility model, the material discharge efficiency is improved by using a combination of a bellows, an air injection port, a dustproof net, a circulating fan, a connecting pipe, a wire winding column and a spring sheet. By improving the material discharge efficiency, the screening device can process more pulp in the same time, which is beneficial to increase production volume, improve energy efficiency and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of a pulp screening device for paperboard production proposed by the utility model;

[0019] Figure 2 A half-section diagram of a bellows of a pulp screening device for paperboard production proposed by the utility model;

[0020] Figure 3 A half-section diagram of a screening bin of a paperboard production pulp screening device proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the connecting pipe structure of a paperboard production pulp screening device proposed by the utility model;

[0022] Figure 5 This is a half-section view of a support frame of a pulp screening device for paperboard production proposed by the utility model.

[0023] Legend:

[0024] 1. Connecting frame; 2. Bellows; 3. Controller; 4. Screening chamber; 5. Air injection port; 6. Feed port; 7. Discharge port; 8. Filter; 9. Support frame; 10. Connecting port; 11. Drive motor; 12. Connecting plate; 13. Transmission gear; 14. Adapter column; 15. Connecting ring; 16. Support ring; 17. Gear ring; 18. Dustproof net; 19. Circulation fan; 20. Connecting pipe; 21. Wire winding column; 22. Spring sheet. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-5, the utility model provides an embodiment: a paperboard production pulp screening device, including a connecting frame 1, a bellows 2 is fixedly connected to the left end of the connecting frame 1, a controller 3 is fixedly connected to the front end of the bellows 2, a screening bin 4 is connected to the right end of the connecting frame 1 through a screening assembly, an air injection port 5 is fixedly connected to the top of the screening bin 4, a feeding port 6 is fixedly connected to the right end of the outer wall of the screening bin 4 and penetrates, a discharge port 7 is fixedly connected to the front and rear ends of the outer wall of the screening bin 4 and penetrates, a filter screen 8 is fixedly connected to the upper and lower ends of the inner wall of the screening bin 4, a support frame 9 is fixedly connected to the top of the left end of the connecting frame 1, a connecting port 10 is connected to the inner wall of the support frame 9 through an air supply assembly, and the bottom end of the connecting port 10 is fixedly connected to the top of the connecting pipe 20. When screening materials, the materials are input into the screening bin 4 through the feeding port 6, and the filter screen 8 can screen the materials, and the screened materials can be discharged from the discharge port 7.

[0027] Specifically, a driving motor 11 is fixedly connected to the top of the connecting frame 1, and a connecting plate 12 is fixedly connected to the driving end of the driving motor 11. The bottom of the right end of the connecting plate 12 is connected to the middle of the top of the screening bin 4 through a gear set. The bottom of the screening bin 4 is rotatably connected to an adapter column 14, and a connecting ring 15 is fixedly connected to the bottom end of the adapter column 14. A support ring 16 is installed at the bottom end of the connecting ring 15. The bottom end of the connecting plate 12 is rotatably connected to a transmission gear 13 and a gear ring 17 is fixedly connected to the top of the inner wall of the connecting frame 1. The gear ring 17 and the transmission gear 13 are meshed. The bottom end of the transmission gear 13 is fixedly connected to the top of the screening bin 4, the left side of the top of the connecting plate 12 is rotatably connected to the inner wall of the top of the connecting frame 1, and the bottom end of the support ring 16 is fixedly connected to the connecting plate 12. At the bottom end of the inner wall of the frame 1, the controller 3 can be used to control the driving motor 11 to drive the connecting plate 12 to rotate, so that the connecting plate 12 drives the transmission gear 13 to rotate along the gear ring 17, so that the screening bin 4, with the cooperation of the connecting plate 12 and the transmission gear 13, makes the connecting ring 15 of the transfer column 14 at the screening bin 4 perform a circular motion along the support ring 16, and the screening bin 4 can be rotated, so that the material in the screening bin 4 generates centrifugal force through the cooperation of the components, so that the filter screen 8 can better screen the material, thereby improving the screening efficiency. The improvement of the screening efficiency can accelerate the pulp processing process, thereby improving the operation speed and production efficiency of the entire production line, which not only helps to reduce costs, but also meets the requirements of environmental protection and sustainable development.

[0028] Specifically, a connecting pipe 20 is fixedly connected to the top of the bellows 2 and passes through it, a dustproof net 18 is fixedly connected to the left end of the bellows 2, a circulating fan 19 is installed on the inner wall of the bellows 2, and the inner wall of the support frame 9 is rotatably connected to the winding column 21 through a spring sheet 22. The front end of the spring sheet 22 is fixedly connected to the inner wall of the rear end of the support frame 9, and the front end of the spring sheet 22 is fixedly connected to the rear end of the winding column 21. After the material screening is completed, the controller 3 is used to inhale air through the dustproof net 18, and the dustproof net 18 infuses the air to the connecting port 10 through the connecting pipe 20, and the connecting pipe 20 is wound around the winding column 21, and the spring Under the action of the sheet 22, the wire winding column 21 can be rotated when the connecting pipe 20 is pulled, driving the wire winding column 21 to rotate, so that the wire winding column 21 is again wound around the connecting pipe 20 to shrink, and the connecting port 10 is installed at the air injection port 5, so that the connecting port 10 injects high-pressure gas into the screening bin 4, so that the air pressure in the screening bin 4 increases, and the viscous material can be discharged from the discharge port 7 more conveniently, thereby improving the material discharge efficiency. By improving the material discharge efficiency, the screening device can process more pulp in the same time, which is conducive to increasing production, improving energy efficiency, and reducing production costs.

[0029] Working principle: First, when screening materials, the materials are input into the screening bin 4 through the feed port 6, and the filter screen 8 can screen the materials. The screened materials can be discharged from the discharge port 7, and the controller 3 can be used to control the drive motor 11 to drive the connecting plate 12 to rotate, so that the connecting plate 12 drives the transmission gear 13 to rotate along the gear ring 17, so that the screening bin 4, under the cooperation of the connecting plate 12 and the transmission gear 13, makes the connecting ring 15 of the transfer column 14 at the screening bin 4 perform a circular motion along the support ring 16, and the screening bin 4 can be rotated, so that the materials in the screening bin 4 generate centrifugal force through the cooperation of the components, so that the filter screen 8 can better screen the materials, thereby improving the screening efficiency. The improvement of screening efficiency can accelerate the pulp processing process, thereby improving the operation speed and production efficiency of the entire production line, which not only helps to reduce costs, but also It complies with the requirements of environmental protection and sustainable development. After the material screening is completed, the controller 3 is used to inhale air through the dustproof net 18, so that the dustproof net 18 injects air into the connecting port 10 through the connecting pipe 20, and the connecting pipe 20 is wound around the winding column 21. Under the action of the spring sheet 22, the winding column 21 can be rotated when the connecting pipe 20 is pulled, driving the winding column 21 to rotate, so that the winding column 21 is again wound around the connecting pipe 20 for contraction, and the connecting port 10 is installed at the air injection port 5, so that the connecting port 10 injects high-pressure gas into the screening bin 4, so that the air pressure in the screening bin 4 increases, so that the viscous material can be discharged more conveniently from the discharge port 7, thereby improving the material discharge efficiency. By improving the material discharge efficiency, the screening device can process more pulp in the same time, which is conducive to increasing production volume, improving energy efficiency, and reducing production costs.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pulp screening device for paperboard production, comprising a connecting frame (1), characterized in that: The left end of the connecting frame (1) is fixedly connected to a bellows (2), the front end of the bellows (2) is fixedly connected to a controller (3), the right end of the connecting frame (1) is connected to a screening bin (4) via a screening material assembly, the top of the screening bin (4) is fixedly connected to an air injection port (5), the right end of the outer wall of the screening bin (4) is fixedly connected to a material delivery port (6) and penetrates therethrough, the front and rear ends of the outer wall of the screening bin (4) are fixedly connected to a material discharge port (7) and penetrate therethrough, the upper and lower ends of the inner wall of the screening bin (4) are fixedly connected to a filter screen (8), the top of the left end of the connecting frame (1) is fixedly connected to a support frame (9), and the inner wall of the support frame (9) is connected to a connection port (10) via an air delivery assembly.

2. A paperboard production pulp screening device according to claim 1, characterized in that: The screening material assembly comprises a driving motor (11) fixedly connected to the top of the connecting frame (1), a connecting plate (12) fixedly connected to the driving end of the driving motor (11), the bottom of the right end of the connecting plate (12) being connected to the middle of the top of the screening bin (4) through a gear set, a transfer column (14) being rotatably connected to the bottom of the screening bin (4), a connecting ring (15) being fixedly connected to the bottom of the transfer column (14), and a supporting ring (16) being installed at the bottom of the connecting ring (15).

3. A paperboard production pulp screening device according to claim 1, characterized in that: The gas delivery assembly comprises a connecting pipe (20) fixedly connected to the top of the bellows (2) and passing through the bellows (2); a dust screen (18) is fixedly connected to the left end of the bellows (2); a circulating fan (19) is installed on the inner wall of the bellows (2); and a winding column (21) is rotatably connected to the inner wall of the support frame (9) via a spring sheet (22).

4. A paperboard production pulp screening device according to claim 1, characterized in that: The bottom end of the connecting port (10) is fixedly connected to the top end of the connecting pipe (20).

5. A paperboard production pulp screening device according to claim 2, characterized in that: The gear set comprises a transmission gear (13) rotatably connected to the bottom end of the connecting plate (12) and a gear ring (17) fixedly connected to the top end of the inner wall of the connecting frame (1), wherein the gear ring (17) and the transmission gear (13) are meshingly connected, and the bottom end of the transmission gear (13) is fixedly connected to the top end of the screening bin (4).

6. A paperboard production pulp screening device according to claim 2, characterized in that: The bottom end of the support ring (16) is fixedly connected to the bottom end of the inner wall of the connecting frame (1).

7. A paperboard production pulp screening device according to claim 2, characterized in that: The left side of the top end of the connecting plate (12) is rotatably connected to the inner wall of the top end of the connecting frame (1).

8. A paperboard production pulp screening device according to claim 3, characterized in that: The front end of the spring sheet (22) is fixedly connected to the inner wall of the rear end of the support frame (9), and the front end of the spring sheet (22) is fixedly connected to the rear end of the winding column (21).

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