Paper machine screen for papermaking filtration

Abstract

The utility model discloses a paper machine sieve for papermaking filtration, and relates to the technical field of paper machine sieves. The paper machine screen comprises a base, a paper machine screen body is fixedly arranged on the upper surface of the base, a connecting disc is detachably arranged on the paper machine screen body, a bolt is inserted into the connecting disc in a threaded mode, the end of the bolt is inserted into the paper machine screen body in a threaded mode, and an adjustable screening assembly is fixedly arranged on the lower surface of the connecting disc. The screening cylinder can be attached to the lower surface of the base, the limiting hole in the side face of the screening cylinder is attached to the rectangular limiting plate, then the screw rod can be driven to rotate through the rectangular shifting rod, the rectangular limiting plate arranged on the outer side surface of the screw rod in a sleeving mode can move towards the middle, and the end of the rectangular limiting plate is inserted into the limiting hole; similarly, screening cylinders with different diameters can be fixed according to the requirements of users.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper machine screen technology field, concretely is a kind of paper machine screen for papermaking filtration. BACKGROUND

[0002] Paper machine refers to various paper product machinery, that is, the machinery for producing and processing household paper and office paper. There are many types of paper machines, which can be divided into paper product forming machinery and paper product processing machinery. Among them, paper product forming machinery includes: napkin paper machine, toilet paper machine, face tissue paper machine, mini paper towel machine, handkerchief paper machine, non-woven fabric rewinder, square towel paper machine, handkerchief paper machine, etc., and paper product processing machinery includes: rewinder, paper cutter, slitting machine, etc.

[0003] Most of the existing pulp processing screens can only install fixed-size screen cylinders, and cannot be well adapted to screen cylinders of different sizes, have low practicality, and the existing screen cylinders are prone to internal screen blockage by pulp during use, resulting in normal screening of pulp, which affects the processing efficiency of pulp. UTILITY MODEL CONTENT

[0004] To solve the problem that most of the existing pulp processing screens can only install fixed-size screen cylinders, cannot be well adapted to screen cylinders of different sizes, have low practicality, and the existing screen cylinders are prone to internal screen blockage by pulp during use, resulting in normal screening of pulp, which affects the processing efficiency of pulp; the purpose of the utility model is to provide a paper machine screen for papermaking filtration.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a paper machine screen for papermaking filtration, comprising a base, a paper machine screen is fixedly arranged on the upper surface of the base, a connecting disc is detachably arranged on the paper machine screen, a bolt is threadedly inserted on the connecting disc, the end of the bolt is threadedly inserted in the paper machine screen, and an adjustable screening assembly is fixedly arranged on the lower surface of the connecting disc.

[0006] The adjustable screening assembly comprises a screening cylinder, the lower surface of the connecting disc is movably attached to the screening cylinder, a limiting hole is formed in the outer surface of the screening cylinder, a hollow plate is fixedly arranged on the lower surface of the connecting disc, a screw rod is rotatably arranged on the inner surface of the hollow plate, a rectangular limiting plate is threadedly sleeved on the outer surface of the screw rod, the rectangular limiting plate is slidably attached to the inner surface of the hollow plate, the rectangular limiting plate is movably inserted into the limiting hole, a rectangular lever is fixedly arranged at one end of the screw rod, a plurality of semicircular notches are formed in the outer surface of the rectangular lever, and the semicircular notches are arranged in a circular array on the outer surface of the rectangular lever, and the rectangular lever penetrates the hollow plate.

[0007] The paper machine screen and the paper machine screen are both provided with anti-blocking assemblies.

[0008] Preferably, the anti-blocking assembly comprises a round rod rotationally connected to the inner surface of the paper machine screen, an outer surface of the round rod is fixedly provided with a scraper, the scraper rotationally abuts against the inner surface of the screening cylinder, a lower end of the round rod is fixedly provided with a positioning rod, the positioning rod penetrates through the screening cylinder, the inner surface of the base is rotationally provided with a rotating block, an upper surface of the rotating block is provided with a positioning slot, the positioning rod is movably inserted into the positioning slot, the inner portion of the base is fixedly provided with a driving motor, and an output end of the driving motor is fixedly connected with the lower end of the rotating block.

[0009] Compared with the prior art, the anti-blocking assembly has the beneficial effects that:

[0010] 1、The screening cylinder can be abutted with the lower surface of the base, the side limiting hole can be abutted with the rectangular limiting plate, then the rectangular rod can drive the screw to rotate, so that the rectangular limiting plate outside the screw can move to the middle, the end of the rectangular limiting plate can be inserted into the limiting hole, so that the screening cylinder can be fixed, and different diameter screening cylinders can be fixed according to the needs of users.

[0011] 2、The positioning rod below the screening cylinder can be inserted into the positioning slot of the rotating block, the rotating block can be rotated by starting the driving motor, the round rod can be rotated by the positioning rod, and the scraper can rotate along the inner wall of the screening cylinder, so that the screening cylinder can be prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0013] Figure 1 The structure of the present application is shown in the figure.

[0014] Figure 2 The structure of the present application is shown in the figure.

[0015] Figure 3 The structure of the present application is shown in the figure. Figure 2 The structure of the present application is shown in the figure.

[0016] Figure 4 The structure of the present application is shown in the figure.

[0017] Figure 5 The structure of the present application is shown in the figure.

[0018] In the diagram: 1-base; 2-paper machine screen; 21-connecting plate; 22-bolt; 3-adjustable screening component; 31-screening cylinder; 32-limiting hole; 33-hollow plate; 34-screw; 35-rectangular limit plate; 37-rectangular lever; 38-semi-circular notch; 4-anti-clogging component; 41-round rod; 42-scraper; 43-positioning rod; 44-rotating block; 45-positioning groove; 46-drive motor. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Example:

[0021] like Figures 1 to 5 As shown, this utility model provides a paper machine sieve for papermaking filtration, including a base 1, a paper machine sieve 2 fixedly mounted on the upper surface of the base 1, a connecting plate 21 detachably mounted on the paper machine sieve 2, and an adjustable screening component 3 fixedly mounted on the lower surface of the connecting plate 21.

[0022] The adjustable screening assembly 3 includes a screening cylinder 31, which is movably fitted to the lower surface of the connecting plate 21. A limiting hole 32 is formed on the outer surface of the screening cylinder 31. A hollow plate 33 is fixedly provided on the lower surface of the connecting plate 21. A screw 34 is rotatably provided on the inner surface of the hollow plate 33. A rectangular limiting plate 35 is threaded onto the outer surface of the screw 34. The rectangular limiting plate 35 is slidably fitted to the inner surface of the hollow plate 33 and is movably inserted into the limiting hole 32. A rectangular lever is fixedly provided at one end of the screw 34. 37. A rectangular lever 37 passes through the hollow plate 33 and can make the screening cylinder 31 fit against the lower surface of the base 1. The limiting hole 32 on its side fits against the rectangular limiting plate 35. Then, the rectangular lever 37 can drive the screw 34 to rotate, thereby moving the rectangular limiting plate 35 sleeved on the outer surface of the screw 34 towards the center. The end of the rectangular limiting plate 35 is inserted into the limiting hole 32, thereby fixing the screening cylinder 31. Similarly, screening cylinders 31 of different diameters can be fixed according to the user's needs.

[0023] Both the screening cylinder 31 and the paper machine screen 2 are equipped with anti-clogging components 4 to prevent the screening cylinder 31 from becoming clogged.

[0024] See Figure 3The outer side of the rectangular lever 37 is provided with a plurality of semicircular openings 38, and the plurality of semicircular openings 38 are arranged in an annular array on the outer side surface of the rectangular lever 37, facilitating the rotation of the rectangular lever 37; the cross-sectional shape of the rectangular lever 37 is a "T" shape, facilitating the connection with the screw rod 34; the connecting disc 21 is provided with a threaded bolt 22, and the end of the threaded bolt 22 is inserted into the paper machine screen 2, facilitating the installation of the connecting disc 21.

[0025] Referring to Figure 1 , Figure 4 and Figure 5 , the anti-blocking assembly 4 comprises a round rod 41 rotatably connected to the inner surface of the paper machine screen 2, a scraper 42 fixedly arranged on the outer surface of the round rod 41, the scraper 42 being rotatably attached to the inner surface of the screening cylinder 31, a positioning rod 43 fixedly arranged at the lower end of the round rod 41, the positioning rod 43 penetrating the screening cylinder 31, a rotating block 44 rotatably arranged on the inner surface of the base 1, an upper surface of the rotating block 44 being provided with a positioning groove 45, the positioning rod 43 being movably inserted into the positioning groove 45, and a drive motor 46 fixedly arranged in the inner portion of the base 1, the output end of the drive motor 46 being fixedly connected to the lower end of the rotating block 44.

[0026] Referring to Figure 4 and Figure 5 , the scraper 42 is provided with two, and the scrapers 42 are symmetrically arranged on the outer surface of the round rod 41, avoiding the blocking of the screening cylinder 31, a circular groove is arranged in the base 1 to cooperate with the drive motor 46, and the output end of the drive motor 46 penetrates the circular groove, improving the sealing performance.

[0027] The working principle of the application is as follows: in use, the screening cylinder 31 is attached to the lower surface of the base 1, the side limiting hole 32 is attached to the rectangular limiting plate 35, then the rectangular lever 37 is used to drive the screw rod 34 to rotate, so that the rectangular limiting plate 35 movably arranged on the outer surface of the screw rod 34 moves to the middle, the end of the rectangular limiting plate 35 is inserted into the limiting hole 32, so that the screening cylinder 31 is fixed, and similarly, different diameters of the screening cylinder 31 can be fixed according to the user's needs.

[0028] Then the positioning rod 43 below the screening cylinder 31 is inserted into the positioning groove 45 arranged on the rotating block 44, the rotating block 44 is rotated by starting the drive motor 46, the round rod 41 is rotated by the positioning rod 43, and the scraper 42 rotates along the inner wall of the screening cylinder 31, so that the blocking of the screening cylinder 31 is avoided.

[0029] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A paper machine screen for use in papermaking filtration, characterized by: Including the base (1), the upper surface of the base (1) is fixedly provided with a paper machine screen (2), the paper machine screen (2) is detachably provided with a connecting disc (21), the lower surface of the connecting disc (21) is fixedly provided with an adjustable screening assembly (3); The adjustable screening assembly (3) includes a screening cylinder (31), the screening cylinder (31) is movably attached to the lower surface of the connecting disc (21), the outer surface of the screening cylinder (31) is provided with a limiting hole (32), the lower surface of the connecting disc (21) is fixedly provided with a hollow plate (33), the inner surface of the hollow plate (33) is rotatably provided with a screw rod (34), the outer surface of the screw rod (34) is threadedly provided with a rectangular limiting plate (35), the rectangular limiting plate (35) is slidably attached to the inner surface of the hollow plate (33), the rectangular limiting plate (35) is movably inserted into the limiting hole (32), one end of the screw rod (34) is fixedly provided with a rectangular lever (37), the rectangular lever (37) penetrates the hollow plate (33); The screening cylinder (31) and the paper machine screen (2) are both provided with an anti-blocking assembly (4).

2. A paper machine screen for use in papermaking filtration as defined in claim 1, characterized by The anti-blocking assembly (4) includes a round rod (41), the round rod (41) is rotatably connected to the inner surface of the paper machine screen (2), the outer surface of the round rod (41) is fixedly provided with a scraper (42), the scraper (42) is rotatably attached to the inner surface of the screening cylinder (31), the lower end of the round rod (41) is fixedly provided with a positioning rod (43), the positioning rod (43) penetrates the screening cylinder (31), the inner surface of the base (1) is rotatably provided with a rotating block (44), the upper surface of the rotating block (44) is provided with a positioning groove (45), the positioning rod (43) is movably inserted into the positioning groove (45), the inside of the base (1) is fixedly provided with a drive motor (46), the output end of the drive motor (46) is fixedly connected to the lower end of the rotating block (44).

3. A paper machine screen for use in papermaking filtration as defined in claim 1, wherein, The outer side of the rectangular lever (37) is provided with a plurality of semicircular notches (38), and the plurality of semicircular notches (38) are annularly arrayed on the outer surface of the rectangular lever (37).

4. A paper machine screen for use in papermaking filtration as defined in claim 1, wherein, The cross-sectional shape of the rectangular lever (37) is "T" shaped.

5. A paper machine screen for use in papermaking filtration as defined in claim 1, wherein, The connecting disc (21) is threadedly provided with a bolt (22), the end of the bolt (22) is threadedly inserted into the inside of the paper machine screen (2).

6. A paper machine screen for use in papermaking filtration as defined in claim 2, wherein, The scraper (42) is provided with two, and the scraper (42) is symmetrically arranged on the outer surface of the round rod (41).

7. A paper machine screen for use in papermaking filtration as defined in claim 2, wherein, The base (1) is provided with a circular groove for cooperating with the drive motor (46).

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