Multi-stage filter for paper pulp

Abstract

The utility model discloses a multi-stage paper pulp filter, which relates to the field of filter paper production and comprises a case and a filter plate. A plurality of filter plates are movably installed in the machine box from top to bottom, the filter precision of the filter plates is sequentially increased from top to bottom, baffles are fixedly installed on the two sides of the filter plates, a plurality of pairs of openings are formed in the positions, located on the baffles, of the two side walls of the machine box, and lifting rods are fixedly installed on the baffles; a plurality of lifting rods are arranged in the machine box, the lifting rods extend out of the machine box through the opening, cams are rotatably mounted on the side walls, located at the opening, of the machine box, the lifting rods are slidably mounted on the cams, and each pair of cams are fixedly connected through a rotating rod. The technical problems that in the prior art, paper pulp is mostly introduced to a filter plate and then filtered by means of the gravity of the paper pulp, the time needed by the filtering mode is long, and the filtering effect is poor are solved.

Description

Technical Field

[0001] This utility model relates to the field of filter paper production, specifically a multi-stage pulp filter. Background Technology

[0002] Filter paper, also known as filter cartridge paper, is paper used for filtering air, lubricating oil, or fuel oil. The production process of filter paper mainly includes: crushing raw materials, pulping, pulp filtration, and then preparing filter paper through papermaking. After that, the paper is dried and sterilized. Different types of filter paper have different requirements for pulp quality, so the pulp needs to be screened and filtered to select the pulp suitable for each grade of filter paper according to the pulp's precision.

[0003] However, most existing multi-stage filtration devices filter pulp by feeding it onto a filter plate and relying on the pulp's own gravity. This filtration method is time-consuming and has poor filtration efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a multi-stage pulp filter, which solves the technical problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-stage pulp filter, comprising a casing and filter plates; a plurality of filter plates are movably installed from top to bottom inside the casing, the filtration accuracy of the plurality of filter plates increases sequentially from top to bottom, baffles are fixedly installed on both sides of the plurality of filter plates, a plurality of pairs of openings are provided on the side walls of the casing located at the baffles, lifting rods are fixedly installed on the plurality of baffles, the plurality of lifting rods extend to the outside of the casing through the openings, cams are rotatably installed on the side walls of the casing located at the openings, the lifting rods are slidably installed on the cams, and each pair of cams is fixedly connected by a rotating rod.

[0006] Preferably, a drive assembly for driving each pair of cams to rotate is fixedly installed on the side wall of the chassis.

[0007] Preferably, the drive assembly includes a motor, with a first gear fixedly mounted on each of the cams on one side, and a second gear meshing with the first gear rotatably mounted on the side wall of the chassis located between the two first gears.

[0008] Preferably, each pair of baffles has a sliding groove on opposite sides, and sliders are fixedly installed on both sides of the filter plate, with the sliders slidably installed in the sliding grooves.

[0009] Preferably, a feed hopper is fixedly connected to the top of the chassis.

[0010] Preferably, a discharge pipe is fixedly connected to the bottom of the chassis, and a valve is installed on the discharge pipe.

[0011] Preferably, the front side wall of the chassis is hinged with a door.

[0012] Preferably, a rubber pad is provided at the bottom of each opening.

[0013] Beneficial effects

[0014] This utility model provides a multi-stage pulp filter, which has the following beneficial effects:

[0015] By installing a casing, pulp can be filtered in multiple stages within the casing. Filter plates are installed to filter the pulp, and the filtration precision of the filter plates is set to increase sequentially from top to bottom, allowing for step-by-step filtration. Baffles are installed to effectively prevent pulp from flowing out of the opening when the filter plates are raised and lowered. A cam is installed, and its rotation drives the lifting rod to rise and fall, thereby raising and lowering the baffles and filter plates. When the lifting rod falls to the bottom of the opening, it impacts the bottom of the opening, causing the filter plates to vibrate, which greatly shortens the pulp filtration time and effectively improves the filtration efficiency of the filter plates. Attached Figure Description

[0016] Figure 1 This is a front view of the internal structure of this utility model;

[0017] Figure 2 for Figure 1 Enlarged diagram of A in the middle;

[0018] Figure 3 This is a front view of the present invention.

[0019] In the diagram: 1. Chassis; 2. Filter plate; 3. Opening; 4. Baffle; 5. Lifting rod; 6. Cam; 7. Motor; 8. Rotating rod; 9. Rubber pad; 10. Feed hopper; 11. Discharge pipe; 12. Valve; 13. Slide groove; 14. Sliding block; 15. Box door; 16. First gear; 17. Second gear. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Wherein, directional terms such as "upper" and "lower" mentioned herein are used in conjunction with... Figure 1 The orientation is used as a reference.

[0021] Please see Figure 1-3This utility model provides a technical solution: a multi-stage pulp filter, including a casing 1 and filter plates 2; several filter plates 2 are movably installed from top to bottom inside the casing 1, and the filtration accuracy of the filter plates 2 increases sequentially from top to bottom; baffles 4 are fixedly installed on both sides of the filter plates 2; several pairs of openings 3 are opened on the side walls of the casing 1 located at the baffles 4; lifting rods 5 are fixedly installed on the baffles 4; the lifting rods 5 extend to the outside of the casing 1 through the openings 3; cams 6 are rotatably installed on the side walls of the casing 1 located at the openings 3; the lifting rods 5 are slidably installed on the cams 6; and each pair of cams 6 are fixedly connected by a rotating rod 8.

[0022] By installing a housing 1, pulp can be filtered in multiple stages within the housing 1. By installing filter plates 2, the pulp can be filtered. By setting the filtration precision of filter plates 2 to increase sequentially from top to bottom, the pulp can be filtered step by step. By installing baffles 4, the pulp can be effectively prevented from flowing out of openings 3 when filter plates 2 are raised and lowered. By installing cams 6, the rotation of cams 6 can drive the lifting rod 5 to rise and fall, thereby driving the baffles 4 and filter plates 2 to rise and fall. When the lifting rod 5 falls to the bottom of opening 3, the lifting rod 5 impacts the bottom of opening 3, causing the filter plates 2 to vibrate, thereby greatly shortening the pulp filtration time and effectively improving the filtration efficiency of filter plates 2 for pulp.

[0023] Furthermore, a drive assembly for driving each pair of cams 6 to rotate is fixedly installed on the side wall of the chassis 1.

[0024] By installing a drive assembly, activating the drive assembly drives one side of the cam 6 to rotate, which in turn drives the rotating rod 8 to rotate, and simultaneously drives the other side of the cam 6 to rotate as well.

[0025] Furthermore, the drive assembly includes a motor 7, with a first gear 16 fixedly mounted on one side of the cam 6, and a second gear 17 rotatably mounted on the side wall of the housing 1 between the two first gears 16, meshing with the first gear 16.

[0026] By installing a motor 7, starting the motor 7 can drive a first gear 16 and a cam 6 to rotate. The first gear 16 meshes with a second gear 17, which can drive a second gear 17 to rotate, thereby driving another first gear 16 and another pair of cams 6 to rotate, and so on, driving all the cams 6 to rotate.

[0027] Furthermore, each pair of baffles 4 has a groove 13 on opposite sides, and sliders 14 are fixedly installed on both sides of the filter plate 2, with the sliders 14 slidably installed in the grooves 13.

[0028] By providing a sliding groove 13, the slider 14 can slide within the sliding groove 13, thereby facilitating the movement of the filter plate 2, moving the filter plate 2 in and out, and making it easier to clean the filter plate 2.

[0029] Furthermore, a feed hopper 10 is fixedly connected to the top of the chassis 1.

[0030] The pulp can be fed into the machine box 1 through the feed hopper 10.

[0031] Furthermore, a discharge pipe 11 is fixedly connected to the bottom of the casing 1, and a valve 12 is installed on the discharge pipe 11.

[0032] By providing a discharge pipe 11, the pulp filtered by the highest precision filter plate 2 can be discharged through the discharge pipe 11.

[0033] Furthermore, a door 15 is hinged to the front side wall of the chassis 1.

[0034] The filter plate 2 can be cleaned by opening the door 15.

[0035] Furthermore, rubber pads 9 are provided at the bottom of each opening 3.

[0036] By incorporating rubber pads 9, the impact of the filter plate 2 rising and falling against the bottom of the opening 3 can be prevented from generating excessive noise.

[0037] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires, and should select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical connections between the various electrical components are completed in sequence. The detailed connection methods are well-known technologies in the field. The following mainly introduces the working principle and process, and will not describe the electrical control further.

[0038] The working principle and usage process of this utility model are as follows: In use, pulp is fed into the machine box 1 through the feed hopper 10 and falls onto the uppermost filter plate 2. The motor 7 is started, and the drive end of the motor 7 rotates, driving a first gear 16 and a cam 6 to rotate. The first gear 16 meshes with the second gear 17, which in turn drives the second gear 17 to rotate, thereby driving all the cams 6 to rotate, which in turn drives the lifting rod 5 to rise and fall, and thus drives the filter plate 2 to rise and fall. The lifting rod 5 descends to the bottom of the opening 3, causing the filter plate 2 to vibrate, thereby achieving a better filtration effect on the pulp. The filtered pulp falls onto the next layer of filter plate 2 through the uppermost filter plate 2. The above steps are repeated to continue filtering it. In this way, the pulp filtered by the lowermost filter plate 2 falls to the bottom of the machine box 1. The valve 12 is opened to discharge the pulp from the bottom through the discharge pipe 11.

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

Claims

1. A multi-stage pulp filter, characterized in that Includes a housing (1) and filter plates (2); several filter plates (2) are movably installed in the housing (1) from top to bottom, and the filtration accuracy of the filter plates (2) increases from top to bottom. Baffles (4) are fixedly installed on both sides of the filter plates (2). Several pairs of openings (3) are opened on the side walls of the housing (1) located at the baffles (4). Lifting rods (5) are fixedly installed on the baffles (4). The lifting rods (5) extend to the outside of the housing (1) through the openings (3). Cams (6) are rotatably installed on the side walls of the housing (1) located at the openings (3). The lifting rods (5) are slidably installed on the cams (6). Each pair of cams (6) is fixedly connected by a rotating rod (8).

2. A multi-stage filter for paper pulp according to claim 1, characterized in that A drive assembly for driving each pair of cams (6) to rotate is fixedly installed on the side wall of the chassis (1).

3. A multi-stage filter for paper pulp according to claim 2, characterized in that The drive assembly includes a motor (7), and a first gear (16) is fixedly mounted on one side of the cam (6). A second gear (17) that meshes with the first gear (16) is rotatably mounted on the side wall of the housing (1) between the two first gears (16).

4. A multi-stage filter for paper pulp according to claim 1, characterized in that, Each pair of baffles (4) has a sliding groove (13) on opposite sides, and sliders (14) are fixedly installed on both sides of the filter plate (2), and the sliders (14) are slidably installed in the sliding grooves (13).

5. A multi-stage filter for paper pulp according to claim 1, characterized in that, The top of the casing (1) is fixedly connected to the feed hopper (10).

6. A multi-stage pulp filter according to claim 1, characterized in that The bottom of the chassis (1) is fixedly connected to a discharge pipe (11), and a valve (12) is provided on the discharge pipe (11).

7. A multi-stage filter for paper pulp according to claim 1, characterized in that, The front side wall of the chassis (1) is hinged with a door (15).

8. A multi-stage pulp filter according to claim 1, characterized in that Each of the openings (3) has a rubber pad (9) at the bottom.

Images