Paper pulp medium fiber classifying screen

Abstract

The utility model belongs to the technical field of classifying screens, and particularly relates to a paper pulp medium fiber classifying screen which comprises a base, a motor and a screen body are fixedly arranged on the upper surface of the base, a driving wheel is fixedly arranged on an output shaft of the motor, a belt is meshed on the driving wheel, a rotor is meshed on the belt, and the motor is connected with a motor shaft. The screen body comprises a feeding pipe, a discharging pipe, a screen cylinder, a mounting groove and a cover body, a sealing ring is fixedly arranged at the bottom of the screen body, and an overturning structure is fixedly arranged on the side wall of the screen body. The overturning structure is arranged on the side wall of the screen body, the rotating rod is controlled by the handle to rotate clockwise, the first connecting rod pushes the second connecting rod and the overturning plate upwards, the protrusion at the bottom of the cover body leaves the mounting groove, the rotating rod continues to be rotated, and the overturning rod slides towards the arc-shaped groove of the sliding groove; and the overturning plate can rotate anticlockwise around the sliding block on the overturning plate, so that the cover body at the top rotates to the side edge of the screen body, the cover body is further opened, and a worker can conveniently clean paper pulp in the screen body.

Description

Technical Field

[0001] The utility model relates to the technical field of grading screens, in particular to a pulp medium fiber grading screen. Background Art

[0002] The medium fiber grading screen is a device specially designed for grading fibers in paper pulp. It uses a specific screening mechanism to classify the fibers in the pulp into different grades according to their length, diameter and other characteristics, mainly separating relatively long medium fibers and relatively short staple fibers.

[0003] The existing medium fiber grading screen is composed of a shell and an internal screen drum. The rotation of the screen drum generates centrifugal force to screen the short fibers to the outside of the screen drum, thereby separating the long and short fibers. After use, there will be a lot of residual pulp accumulation inside and outside the screen drum. At this time, the staff is required to clean the inside of the device to ensure that the next use will not affect the screening effect of the device.

[0004] In order to solve the above problems, the present application proposes a pulp fiber classification screen. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pulp fiber grading screen, comprising a base, a motor and a screen body are fixedly provided on the upper surface of the base, a driving wheel is fixedly provided on the output shaft of the motor, a belt is meshed on the driving wheel, a rotor is meshed on the belt, the screen body comprises a feed pipe, a discharge pipe, a screen drum, a mounting groove and a cover body, a sealing ring is fixedly provided on the bottom of the screen body, a flip structure is fixedly provided on the side wall of the screen body, and the flip structure comprises a fixed plate, a slide groove, a rotating rod, a first connecting rod, a second connecting rod, a flip plate, a flip rod and a handle.

[0006] Preferably, the fixed plate is fixedly connected to the side wall of the screen body, the slide groove is opened on the fixed plate, the flip rod is movably connected in the slide groove, and the first connecting rod, the second connecting rod and the flip plate are located between the two fixed plates.

[0007] Preferably, the rotating rod is rotatably connected to the fixed plate, the handle is fixedly connected to both ends of the rotating rod, the first connecting rod is fixedly connected to the rotating rod, the second connecting rod is rotatably connected to the first connecting rod, the flip plate and the flip rod are both rotatably connected to the second connecting rod, and the flip plate is fixedly connected to the flip rod.

[0008] Preferably, the side surface of the flip plate is slidably connected to the inner side surface of the fixed plate, the top of the flip plate is fixedly connected to the cover body, and bolts are spirally provided on the screen body and the cover body.

[0009] Preferably, an annular protrusion is fixedly provided on the bottom of the cover body, the bottom of the cover body is movably connected in a mounting groove, and a bolt is spirally provided in the mounting groove.

[0010] Preferably, the sealing ring is located at the connection between the bottom of the sieve body and the rotor.

[0011] The above technical solution of the utility model has the following beneficial technical effects:

[0012] The utility model provides a flip structure on the side wall of the screen body, and when the cover body is fixed above the screen body, the annular protrusion at the bottom of the cover body is fixedly installed in the installation groove, and the screen body is in a sealed state at this time, which can prevent pulp from leaking. When the device is used, simply flipping the cover body from one side will be blocked by the protrusion at the bottom of the cover body, resulting in the cover body cannot be opened. Therefore, the handle controls the rotating rod to rotate clockwise, so that the first connecting rod pushes the second connecting rod upward, and the flip plate will also be pushed by the second connecting rod, and the slider on the flip plate will move vertically from the middle of the slide groove to the top of the vertical groove of the slide groove. At this time, the protrusion at the bottom of the cover body will leave the installation groove, thereby not blocking the flipping of the cover body, and the rotating rod continues to be rotated. At this time, the flip rod will slide towards the arc groove of the slide groove, and the flip plate will rotate counterclockwise around the middle slider, so that the top cover body rotates counterclockwise to the side of the screen body, and then the cover body is opened, which is convenient for the staff to clean the pulp inside the screen body, avoids affecting the next use, and improves the screening effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0016] Reference numerals:

[0017] 1. Base; 2. Motor; 201. Drive wheel; 202. Belt; 203. Rotor; 3. Screen body; 301. Feed pipe; 302. Discharge pipe; 303. Screen drum; 304. Mounting groove; 4. Bolt; 5. Sealing ring; 6. Cover; 7. Flip structure; 701. Fixed plate; 702. Slide groove; 703. Rotating rod; 704. First connecting rod; 705. Second connecting rod; 706. Flip plate; 707. Flip rod; 708. Handle. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0019] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0020] A pulp fiber classification screen provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings. Embodiment 1

[0021] Combination Figure 1-3 As shown, the utility model provides a pulp medium fiber classification screen, including a base 1, a motor 2 and a screen body 3 are fixedly provided on the upper surface of the base 1, a driving wheel 201 is fixedly provided on the output shaft of the motor 2, a belt 202 is meshed on the driving wheel 201, a rotor 203 is meshed on the belt 202, the screen body 3 includes a feed pipe 301, a discharge pipe 302, a screen drum 303, a mounting groove 304 and a cover body 6, and a sealing member 304 is fixedly provided at the bottom of the screen body 3. The sealing ring 5, the side wall of the sieve body 3 is fixedly provided with a flip structure 7, the flip structure 7 includes a fixed plate 701, a slide groove 702, a rotating rod 703, a first connecting rod 704, a second connecting rod 705, a flip plate 706, a flip rod 707 and a handle 708, the fixed plate 701 is fixedly connected to the side wall of the sieve body 3, the slide groove 702 is opened on the fixed plate 701, the flip rod 707 is movably connected in the slide groove 702, the first connecting rod 704 , the second connecting rod 705 and the flip plate 706 are located between the two fixed plates 701, the rotating rod 703 is rotatably connected to the fixed plate 701, the handle 708 is fixedly connected to the two ends of the rotating rod 703, the first connecting rod 704 is fixedly connected to the rotating rod 703, the second connecting rod 705 is rotatably connected to the first connecting rod 704, the flip plate 706 and the flip rod 707 are both rotatably connected to the second connecting rod 705, the flip plate 706 is fixedly connected to the flip rod 707, the side surface of the flip plate 706 is slidably connected to the inner side surface of the fixed plate 701, the top of the flip plate 706 is fixedly connected to the cover body 6, the bolts 4 are spirally provided on the sieve body 3 and the cover body 6, the bottom of the cover body 6 is fixedly provided with an annular protrusion, the bottom of the cover body 6 is movably connected in the mounting groove 304, the bolts 4 are spirally provided in the mounting groove 304, and the sealing ring 5 is located at the connection between the bottom of the sieve body 3 and the rotor 203.

[0022] Specifically, a motor 2 and a screen body 3 are fixedly installed on the upper surface of the base 1, so that the base 1 provides an installation position and support capacity for the motor 2 and the screen body 3, a driving wheel 201 is fixedly welded on the output shaft of the motor 2, a belt 202 is meshed on the driving wheel 201, and a rotor 203 is meshed at the other end of the belt 202, so that the motor 2 can drive the driving wheel 201 to rotate, thereby driving the belt 202 and the rotor 203 to rotate, and a screen drum 303 is fixedly connected to the rotor 203, so that the rotor 203 can drive the screen drum 303 to rotate, and the screen drum 303 is located inside the screen body 3, so that the pulp in the screen drum 303 generates centrifugal force through rotation, so that the short fibers in the pulp can pass through the screen on the screen drum 303 and reach At the position between the screen drum 303 and the screen body 3, long fibers cannot pass through the screen drum 303 and are retained in the screen drum 303. A feed pipe 301 and a discharge pipe 302 are fixedly welded on the screen body 3, so that pulp can enter the screen drum 303 from the feed pipe 301, and short fiber pulp will flow out from the discharge pipe 302. A mounting groove 304 is opened on the top of the screen body 3, and a cover body 6 is movably connected in the mounting groove 304, and a bolt 4 is spirally connected in the mounting groove 304, so that the bolt 4 can fix the cover body 6 on the screen body 3, so that the screen body 3 is in a sealed state to prevent the pulp in the screen body 3 from leaking. A flip structure 7 is fixedly welded on the side wall of the screen body 3, and a fixing plate 701 is fixedly welded on the base 1. 1 is provided with a slide groove 702, and the slide groove 702 includes a vertical groove and an arc groove, a flip rod 707 and a flip plate 706 are slidably connected in the slide groove 702, a rotating rod 703 is rotatably connected to the fixed plate 701, and handles 708 are fixedly welded at both ends of the rotating rod 703, so that the staff can conveniently control the rotation of the rotating rod 703 through the handles 708, a first connecting rod 704 is fixedly welded to the rotating rod 703, a second connecting rod 705 is rotatably connected to the other end of the first connecting rod 704, and a flip plate 706 and a flip rod 707 are rotatably connected to the other end of the second connecting rod 705, and the flip rod 707 and the flip plate 706 are fixedly connected together, so that when the rotating rod 703 rotates clockwise, the first connecting rod 704 rotates clockwise. The first connecting rod 704 will also rotate accordingly, thereby pushing the second connecting rod 705 to move upward, and the second connecting rod 705 will push the flip plate 706 and the flip plate 706 to slide from the bottom of the vertical groove of the slide groove 702 to the middle position of the vertical groove. At this time, the slider in the middle of the flip plate 706 will move to the top of the vertical groove of the slide groove 702. Continuing to rotate the rotating rod 703, the connection between the flip plate 706 and the flip rod 707 will enter the arc groove of the slide groove 702. When the flip rod 707 slides to the top of the arc groove, the flip plate 706 and the flip rod 707 will rotate around the slider on the flip plate 706, thereby driving the cover body 6 to flip to the side of the screen body 3, and then quickly open the cover body 6, making it convenient for the staff to clean the inside of the screen body 3.

[0023] The working principle and use process of the utility model are as follows: first, when in use, the motor 2 is used to control the driving wheel 201, the belt 202 and the rotor 203 to rotate, driving the screen drum 303 to rotate, and the short fiber pulp is thrown to the position between the screen drum 303 and the screen body 3. After use, the discharge pipe 302 is opened to discharge the short fiber pulp, and then the bolt 4 on the side wall of the base 1 is unscrewed, and the handle 708 is turned clockwise to control the rotating rod 703, the first connecting rod 704, the second connecting rod 705, the flip plate 706 and the flip rod 707 to start moving. When the slider in the middle of the flip plate 706 slides to the slide groove When the top of the vertical groove 702 is reached, the annular protrusion at the bottom of the cover body 6 will leave the mounting groove 304, thereby not affecting the flipping and opening of the cover body 6. Continue to turn the handle 708 clockwise to move the flip rod 707 to the top of the arc groove of the slide groove 702. During this process, the flip plate 706 and the flip rod 707 will rotate counterclockwise along the slider at the top of the vertical groove of the slide groove 702, thereby driving the cover body 6 to flip to the side of the screen body 3, thereby realizing rapid opening of the cover body 6, making it convenient for the staff to collect the long fiber pulp in the screen body 3, and convenient for cleaning the inside of the screen body 3 to avoid affecting the next use.

[0024] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A pulp fiber classification screen, comprising a base (1), characterized in that: A motor (2) and a screen body (3) are fixedly provided on the upper surface of the base (1); a driving wheel (201) is fixedly provided on the output shaft of the motor (2); a belt (202) is meshed on the driving wheel (201); a rotor (203) is meshed on the belt (202); the screen body (3) comprises a feed pipe (301), a discharge pipe (302), a screen drum (303), a mounting groove (304) and a cover body (6); a sealing ring (5) is fixedly provided on the bottom of the screen body (3); a flip structure (7) is fixedly provided on the side wall of the screen body (3); the flip structure (7) comprises a fixed plate (701), a slide groove (702), a rotating rod (703), a first connecting rod (704), a second connecting rod (705), a flip plate (706), a flip rod (707) and a handle (708).

2. A pulp fiber classification screen according to claim 1, characterized in that: The fixed plate (701) is fixedly connected to the side wall of the screen body (3), the slide groove (702) is opened on the fixed plate (701), the flip rod (707) is movably connected in the slide groove (702), and the first connecting rod (704), the second connecting rod (705) and the flip plate (706) are located between the two fixed plates (701).

3. A pulp fiber classification screen according to claim 1, characterized in that: The rotating rod (703) is rotatably connected to the fixed plate (701), the handle (708) is fixedly connected to both ends of the rotating rod (703), the first connecting rod (704) is fixedly connected to the rotating rod (703), the second connecting rod (705) is rotatably connected to the first connecting rod (704), the flip plate (706) and the flip rod (707) are both rotatably connected to the second connecting rod (705), and the flip plate (706) is fixedly connected to the flip rod (707).

4. A pulp fiber classification screen according to claim 1, characterized in that: The side surface of the flip plate (706) is slidably connected to the inner side surface of the fixed plate (701); the top of the flip plate (706) is fixedly connected to the cover body (6); and bolts (4) are spirally provided on the screen body (3) and the cover body (6).

5. The pulp fiber classification screen according to claim 1, characterized in that: An annular protrusion is fixedly provided at the bottom of the cover body (6), and the bottom of the cover body (6) is movably connected in the installation groove (304), and a bolt (4) is spirally provided in the installation groove (304).

6. The pulp fiber classification screen according to claim 1, characterized in that: The sealing ring (5) is located at the connection between the bottom of the screen body (3) and the rotor (203).

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