Rotary vibration sieve for medicine dust removal

By placing traceless tape patches and rubber pads on the inner wall of the sealing cover of the vibration screen, combining a multi-stage screening chamber and vibrating block, the noise and material damage caused by material jumps during the screening process of the existing vibration screen is solved, and a more efficient and quieter drug dust removal effect is achieved.

CN222519156UActive Publication Date: 2025-02-25TIANJIN CONVINCED & CONDAR PHARM CO LTD
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Patent Information

Application Number
CN202420063402.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-10
Publication Date
2025-02-25
Estimated Expiration
2034-01-10

AI Technical Summary

Technical Problem

During the screening process of existing rotary vibrating screens, the material jumps due to vibration force, which may cause noise in contact with the sealing cover and cause damage to the material.

Method used

A rotary vibration screen for drug dust removal was designed, markless tape patches were placed on the inner wall of the sealing cover, and rubber pads were placed on its surface. Combined with a centrifugal feed tube and a multi-stage screening chamber, activated carbon packets were used to absorb odors and vibrating blocks to provide power to ensure the material was quickly and completely discharged.

Benefits of technology

By buffering the impact force between the drug and the sealing cover, it reduces noise and ensures the integrity of the drug. At the same time, it improves the feed efficiency of the material, avoids clogging of the discharge port, and achieves a more efficient screening effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spin vibration sieve for medicine dust removal, which comprises a sealing cover and a rubber pad, a traceless adhesive tape is arranged on the inner wall of the sealing cover, the rubber pad is arranged on the surface of the traceless adhesive tape, a centrifugal feeding pipe is arranged at the upper end of the sealing cover, a first screening chamber is arranged at the lower end of the sealing cover, and a second screening chamber is arranged at the lower end of the sealing cover. A first discharging port is formed in the outer wall of the first screening chamber, a second screening chamber is arranged at the bottom end of the first screening chamber, and a second discharging port is formed in the outer wall of the second screening chamber. According to the spin vibration screen for medicine dust removal, peculiar smell in the first screening chamber (second screening chamber) can be adsorbed through an activated carbon bag, it is guaranteed that air in the first screening chamber (second screening chamber) is fresh, a centrifugal feeding pipe conveys materials into the first screening chamber through a material pumping pump, and the feeding efficiency can be improved; and the vibration block is convenient to install through the interlayer cavity, so that the vibration block can be connected with the first discharging opening (the second discharging opening).
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Description

Technical Field

[0001] The utility model relates to the technical field of rotary vibrating screens, in particular to a rotary vibrating screen used for drug dust removal. Background Art

[0002] The rotary vibrating screen is a high-precision fine powder screening machine with low noise and high efficiency. It takes 3-5 minutes to quickly change the screen. It has a fully enclosed structure and is suitable for screening and filtering of materials such as particles, powders, and mucus. The rotary vibrating screen uses an upright motor as the excitation source. Eccentric weights are installed at the upper and lower ends of the motor to convert the motor's rotational motion into horizontal, vertical, and inclined three-dimensional motion, and then transmit this motion to the screen surface. By adjusting the phase angles at the upper and lower ends, the motion trajectory of the material on the screen surface can be changed. The three-dimensional rotary vibrating screen uses an upright motor as the excitation source. Eccentric weights are installed at the upper and lower ends of the motor to convert the motor's rotational motion into horizontal, vertical, and inclined three-dimensional motion, and then transmit this motion to the screen surface, so that the material moves outward on the screen surface. Involute motion, so this series of vibrating screens is called a rotary vibrating screen. The rotary vibrating screen has the advantages of a long material running trajectory and high screen surface utilization. By adjusting the phase angles of the weights at the upper and lower ends, the motion trajectory of the material on the screen surface can be changed. The material can be finely screened and screened probabilistically.

[0003] As shown in application number CN201720174308.7, a rotary vibrating screen includes a base, an upper sieve grid and a lower sieve grid correspondingly arranged up and down are connected to the base, a screen is connected between the upper sieve grid and the lower sieve grid, a slag outlet is provided on the side wall of the upper sieve grid, a material outlet is provided on the side wall of the lower sieve grid, an upper cover is connected to the upper sieve grid, a feed inlet is provided on the upper cover, a feed pipe is fixedly connected to the upper cover through a bracket, the feed pipe passes through the feed inlet on the upper cover, a feed diverter ball is fixedly connected to the lower end of the feed pipe, the feed diverter ball is located in the upper sieve grid, the feed diverter ball includes an outer ball, the outer ball is in airtight communication with the feed pipe, a plurality of discharge circular holes are provided on the outer ball, and a movable inner ball is provided in the outer ball. The inner ball is a solid ball that can move in the outer ball. The discharge circular holes are provided in the middle and lower parts of the outer ball. The aperture of the discharge circular hole located at the top is smaller than the aperture of the discharge circular hole located at the bottom. The upper screen grid inside the slag outlet is fixedly connected with a baffle, which is arranged vertically.

[0004] Similar to the above application, there are still the following deficiencies:

[0005] When the existing device is screening, the material will jump due to the vibration force, so that the material can collide with the sealing cover to generate noise and cause damage to the material.

[0006] Therefore, in view of this, the existing structure and defects are studied and improved, and a rotary vibrating screen for drug dust removal is proposed, in order to achieve a more practical purpose. Utility Model Content

[0007] The utility model aims to provide a rotary vibrating screen for drug dust removal to solve the problems raised in the above background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary vibrating screen for drug dust removal, comprising a sealing cover and a rubber pad, the inner wall of the sealing cover is provided with a traceless tape, the rubber pad is provided on the surface of the traceless tape, the upper end of the sealing cover is provided with a centrifugal feed pipe, and the lower end of the sealing cover is installed with a first screening chamber, the outer wall of the first screening chamber is provided with a discharge port 1, the bottom end of the first screening chamber is provided with a second screening chamber, and the outer wall of the second screening chamber is provided with a discharge port 2.

[0009] Furthermore, the traceless tape is in a cross shape, and the rubber pad is connected to the traceless tape by adhesive bonding.

[0010] Furthermore, a supporting spring is installed at the bottom end of the second screening chamber, and a fixed base is provided at the bottom end of the supporting spring.

[0011] Furthermore, a screening net is arranged inside the first screening chamber, and an activated carbon bag is arranged on the inner wall of the first screening chamber.

[0012] Furthermore, the activated carbon packages are distributed in a ring shape about the center of the first screening chamber, and the activated carbon packages are rectangular.

[0013] Furthermore, the shape and structure of the discharge port 1 match the shape and structure of the discharge port 2, and an interlayer cavity is provided inside the discharge port 1.

[0014] Furthermore, a vibration block is installed inside the interlayer cavity, and eight vibration blocks are provided.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model can absorb the odor inside the first screening chamber (second screening chamber) through the activated carbon bag to ensure the freshness of the air inside the first screening chamber (second screening chamber). The centrifugal feed pipe transports the material to the inside of the first screening chamber through the suction pump, which can improve the feeding efficiency and reduce the workload of the staff. The interlayer cavity is convenient for installing the vibration block, so that the vibration block can be connected to the discharge port 1 (discharge port 2).

[0017] 2. The utility model provides power to the first discharge port (second discharge port) through a vibration block, so that the material can be discharged quickly and completely, avoiding the blockage of the first discharge port (second discharge port). The traceless tape and the rubber pad are adhesively connected, and the rubber pad can be placed inside the sealing cover. When working, it can buffer the impact force between the medicine and the sealing cover, reduce noise, and ensure the integrity of the medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main three-dimensional structure of a rotary vibrating screen for drug dust removal according to the utility model;

[0019] Figure 2 This is a schematic diagram of the interior of the first screening chamber of a rotary vibrating screen material for drug dust removal according to the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of a rotary vibrating screen outlet for drug dust removal according to the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the bottom view of the structure of a rotary vibration screen sealing cover for drug dust removal.

[0022] In the figure: 1. Sealing cover; 2. Centrifugal feed pipe; 3. First screening chamber; 4. Discharge port 1; 5. Second screening chamber; 6. Discharge port 2; 7. Support spring; 8. Fixed machine base; 9. Screening net; 10. Activated carbon bag; 11. Interlayer cavity; 12. Vibrating block; 13. Traceless tape; 14. Rubber pad. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0024] Implementation 1:

[0025] like Figure 1 and Figure 4 As shown, a rotary vibrating screen for drug dust removal comprises a sealing cover 1 and a rubber pad 14, the inner wall of the sealing cover 1 is provided with a traceless tape 13, the rubber pad 14 is provided on the surface of the traceless tape 13, the upper end of the sealing cover 1 is provided with a centrifugal feeding tube 2, and the lower end of the sealing cover 1 is provided with a first screening chamber 3, the outer wall of the first screening chamber 3 is provided with a discharge port 1 4, the bottom end of the first screening chamber 3 is provided with a second screening chamber 5, and the outer wall of the second screening chamber 5 is provided with a discharge port 2 6, further, the traceless tape 13 is in a cross shape, and the rubber pad 14 is adhesively connected to the traceless tape 13, further, the bottom end of the second screening chamber 5 is provided with a supporting spring 7, and the bottom end of the supporting spring 7 is provided with a fixed machine base 8, the traceless tape 13 and the rubber pad 14 are adhesively connected, the rubber pad 14 can be placed inside the sealing cover 1, and the impact force between the drug and the sealing cover 1 can be buffered during operation, noise can be reduced, and the integrity of the drug can be ensured.

[0026] Implementation 2:

[0027] like Figure 2 and Figure 3As shown, a screening net 9 is arranged inside the first screening chamber 3, and an activated carbon bag 10 is arranged on the inner wall of the first screening chamber 3. Further, the activated carbon bag 10 is distributed in a ring shape about the center of the first screening chamber 3, and the activated carbon bag 10 is rectangular. Further, the shape structure of the discharge port 14 is consistent with the shape structure of the discharge port 26, and an interlayer cavity 11 is arranged inside the discharge port 14. Further, a vibration block 12 is installed inside the interlayer cavity 11, and eight vibration blocks 12 are arranged. The activated carbon bag 10 can adsorb the first screening chamber 3 (second The peculiar smell inside the screening chamber 5 is ensured to ensure the freshness of the air inside the first screening chamber 3 (the second screening chamber 5). The centrifugal feed pipe 2 transports the material to the inside of the first screening chamber 3 through the suction pump, which can improve the feeding efficiency and reduce the workload of the staff. The interlayer cavity 11 is convenient for installing the vibration block 12, so that the vibration block 12 can be connected to the discharge port 4 (discharge port 2 6); the vibration block 12 provides power to the discharge port 4 (discharge port 2 6), so that the material can be discharged quickly and completely, avoiding the blockage of the discharge port 4 (discharge port 2 6).

[0028] Working principle: When this rotary vibrating screen for drug dust removal is used, first Figure 1-Figure 4 , put the centrifugal feeding tube 2 into the medicine barrel, use the centrifugal fan to push the medicine from the centrifugal feeding tube 2 into the first screening chamber 3, the aperture of the screening net 9 of the first screening chamber 3 is relatively large, the first screening chamber 3 and the second screening chamber 5 continuously reciprocate under the action of the vibration force, and drive the screening net 9 to vibrate periodically, so that the material on the screening net 9 moves in a directional and active manner with the first screening chamber 3, during which the medicine smaller than the aperture of the screening net 9 and the impurity dust will fall to the lower layer through the aperture of the screening net 9, becoming Screening , drugs larger than the aperture of the screening net 9 are discharged from the discharge port 1 4 after continuous jumping motion, and dust impurities make directional and active motion together with the second screening chamber 5, and are discharged from the discharge port 2 6 after continuous jumping motion, and finally the screening work is completed. When the drug in the first screening chamber 3 jumps, the drug will not directly contact the sealing cover 1, but will contact the rubber pad 14, which can buffer the impact force between the drug and the sealing cover 1, reduce noise, and ensure the integrity of the drug. There are vibration blocks 12 inside the discharge port 1 4 and the discharge port 2 6, and the vibration block 12 provides power to the discharge port 1 4 (discharge port 2 6), so that the material can be discharged quickly and completely, avoiding the blockage of the discharge port 1 4 (discharge port 2 6).

[0029] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A rotary vibrating screen for drug dust removal, comprising a sealing cover (1) and a rubber pad (14), characterized in that: The inner wall of the sealing cover (1) is provided with a traceless tape (13), the rubber pad (14) is provided on the surface of the traceless tape (13), the upper end of the sealing cover (1) is provided with a centrifugal feeding tube (2), and the lower end of the sealing cover (1) is installed with a first screening chamber (3), the outer wall of the first screening chamber (3) is provided with a discharge port 1 (4), the bottom end of the first screening chamber (3) is provided with a second screening chamber (5), and the outer wall of the second screening chamber (5) is provided with a discharge port 2 (6).

2. A rotary vibrating screen for drug dust removal according to claim 1, characterized in that: The traceless adhesive tape (13) is in a cross shape, and the rubber pad (14) is connected to the traceless adhesive tape (13) by adhesive bonding.

3. The rotary vibrating screen for drug dust removal according to claim 1, characterized in that: A supporting spring (7) is installed at the bottom end of the second screening chamber (5), and a fixed base (8) is arranged at the bottom end of the supporting spring (7).

4. The rotary vibrating screen for drug dust removal according to claim 1, characterized in that: A screening net (9) is arranged inside the first screening chamber (3), and an activated carbon bag (10) is arranged on the inner wall of the first screening chamber (3).

5. A rotary vibrating screen for drug dust removal according to claim 4, characterized in that: The activated carbon bag (10) is distributed in a ring shape with respect to the center of the first screening chamber (3), and the activated carbon bag (10) is rectangular.

6. The rotary vibrating screen for drug dust removal according to claim 1, characterized in that: The shape and structure of the discharge port 1 (4) match the shape and structure of the discharge port 2 (6), and an interlayer cavity (11) is provided inside the discharge port 1 (4).

7. A rotary vibrating screen for drug dust removal according to claim 6, characterized in that: A vibration block (12) is installed inside the interlayer cavity (11), and eight vibration blocks (12) are provided.

Citation Information

Patent Citations

  • Rotary vibration sieve

    CN206549282U