Vibrating screen for pharmacy

By introducing a center seat and a feeding mechanism into the vibrating screen, the problems of material residue and difficulty in cleaning are solved, automated screen cleaning is achieved, and screening efficiency and stability are improved.

CN223683946UActive Publication Date: 2025-12-19JILIN BAISHAN ZHENGMAO PHARM CO LTD
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Patent Information

Application Number
CN202520241410.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-19
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

In the screening process of existing pharmaceutical vibrating screens, factors such as particle size, moisture content, mud content, and shape of the material affect the screening effect, resulting in some material residue, which is difficult to clean. Furthermore, when the operation is unstable, the material movement trajectory and speed are not good, which affects the screening efficiency.

Method used

A material scraping mechanism including a central seat, a rotating shaft, and a deflector plate was designed. Through the slope design of the central seat and the screen and the synchronous drive of the rotating shaft, the residual material inside the screen can be automatically scraped and cleaned.

Benefits of technology

It effectively solves the problem of material residue, simplifies the cleaning process, improves screening efficiency and stability, and reduces the difficulty of cleaning residual materials in the vibrating screen.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vibrating screen for pharmacy, which relates to the technical field of screening equipment and comprises a blanking hopper, two vibration exciters are fixedly mounted on the outer side of the blanking hopper and are respectively and electrically connected with an external controller through connecting wires, a base is arranged at the lower end of the blanking hopper, and the blanking hopper is fixedly connected with the base through a plurality of supporting springs. A first screening frame is fixedly installed at the upper end of the discharging hopper, and a first discharging pipe is fixedly installed on the outer side of the first screening frame. The center seats are arranged in the first screening frame and the first discharging pipe, and the two center seats and the screen cloth connected between the first screening frame and the first discharging pipe have gradients which are reduced from the center to the outer side, so that discharging of materials is facilitated; the material stirring mechanism is composed of a center base, a first rotating shaft, a second rotating shaft, a stirring plate and the like and can be matched with a ring piece and a fixing shaft to rapidly clean materials left in a first screening frame and a first discharging pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening equipment, especially to a pharmaceutical oscillating screen. BACKGROUND

[0002] The pharmaceutical oscillating screen is a screening machine for the pharmaceutical industry, which separates and screens particles by forming a vortex motion of materials on the screen through centrifugal force generated by oscillation.

[0003] As disclosed in the Chinese utility model patent with publication number CN216678982U: a pharmaceutical vortex oscillating screen, the application can fix the screen by setting a fixing mechanism, and the screen can constantly shake when vibrating, improving the screening effect. Meanwhile, the abutting assembly can prevent the screen from being damaged by the vibration impact on the case, reducing the occurrence of screen damage. However, since the screen inside the oscillating screen is arranged in a plane, the particle size, moisture content, mud content, and shape of the material will affect its passability on the screen during the screening of raw materials or pharmaceutical particles, making it difficult to completely screen some materials. Meanwhile, unstable operation of the oscillating screen will also affect the movement trajectory and speed of the materials on the screen, making it difficult for some materials to be smoothly discharged. As a result, after the oscillating screen completes its work, some materials will remain inside the oscillating screen, and during the later cleaning, the oscillating screen needs to be disassembled, increasing the difficulty of cleaning the residual materials inside the oscillating screen. SUMMARY

[0004] The utility model aims to provide a pharmaceutical oscillating screen that can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0006] The utility model provides a pharmaceutical use vibrating screen, including hopper, two exciting vibrator fixedly installed outside of hopper, and two exciting vibrator is electrically connected with external controller through connecting wire respectively, the bottom of hopper is provided with base, and hopper is fixedly connected through a plurality of support spring between base, first screening frame is fixedly installed in the upper end of hopper, first screening frame is fixedly installed with first feeding pipe outside, second screening frame is fixedly installed in the upper end of first screening frame, second screening frame is fixedly installed with second feeding pipe outside, dust cover is fixedly installed in the upper end of second screening frame, fixed pipe is fixedly installed in the upper end of dust cover, connecting pipe is provided with connecting pipe between fixed pipe, ring piece is movably connected between fixed pipe and connecting pipe, the inside of first screening frame and second screening frame, dust cover is provided with poking mechanism, the poking mechanism includes two center seats, two center seats are fixedly installed in the inner center position of first screening frame and first feeding pipe respectively, and the inside of two center seats is fixedly connected with screen cloth outside respectively, first rotating shaft and second rotating shaft are movably installed in two center seats respectively, and poking plate is movably installed outside first rotating shaft and second rotating shaft respectively.

[0007] As a further preferred embodiment of the utility model, the screen cloth connected between the two center seats and the first screening frame and the first feeding pipe has a slope, and the longitudinal section of the screen cloth is in the shape of a truncated cone.

[0008] As a further preferred embodiment of the utility model, a limiting ring is fixedly installed inside the fixed pipe, and a limiting ring is also fixedly installed inside the connecting pipe. The longitudinal section of the limiting ring is in the shape of L structure, the longitudinal section of the ring piece is in the shape of T structure, and two fixed rings are fixedly installed outside the ring piece. A plurality of adjusting handles are fixedly installed between the two fixed rings. The ring piece is rotatably installed between the fixed pipe and the connecting pipe through the two fixed rings. A plurality of connecting rods are fixedly installed inside the ring piece. A connecting ring is fixedly connected between the plurality of connecting rings. The fixed pipe and the connecting pipe are rotatably connected through the ring piece, which facilitates the rotational operation of the first rotating shaft and the second rotating shaft.

[0009] As a further preferred embodiment of the utility model, a plurality of fixed shafts are fixedly installed at the lower end of the center seat. A sealing seat is fixedly installed at the upper end of the center seat, and the sealing seat is made of rubber. A bearing seat is also provided at the lower end of the center seat. The insertion holes at both sides of the bearing seat are respectively inserted on the corresponding fixed shafts and are fixed by a snap spring. With the provision of the bearing seat, the first rotating shaft or the second rotating shaft can move axially. With the provision of the sealing seat, the connection between the first rotating shaft or the second rotating shaft can be sealed by the characteristics of the rubber material.

[0010] As a further preferred scheme of the utility model, the first rotating shaft outside is fixedly installed with a fixed seat, the second rotating shaft outside is also fixedly installed with a fixed seat, a limiting shaft is fixedly installed in the fixed seat, the first rotating shaft lower end is fixedly installed with an insertion block, the second rotating shaft upper end is provided with an insertion slot, the first rotating shaft and the second rotating shaft are rotatably installed in the corresponding center seat and sealing seat, bearing seat respectively, and the second rotating shaft and the insertion block are mutually inserted and connected, and the first rotating shaft upper end passes through the connecting ring and is clamped with the clamping spring.

[0011] As a further preferred scheme of the utility model, the first rotating shaft outside is fixedly installed with a fixed seat, the second rotating shaft outside is also fixedly installed with a fixed seat, a limiting shaft is fixedly installed in the fixed seat, the first rotating shaft lower end is fixedly installed with an insertion block, the second rotating shaft upper end is provided with an insertion slot, the first rotating shaft and the second rotating shaft are rotatably installed in the corresponding center seat and sealing seat, bearing seat respectively, and the second rotating shaft and the insertion block are mutually inserted and connected, and the first rotating shaft upper end passes through the connecting ring and is clamped with the clamping spring.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The pharmaceutical oscillating screen has the advantages of:

[0014] In addition, the setting of the material pushing mechanism, that is, the material pushing mechanism is composed of the center seat, the first rotating shaft, the second rotating shaft and the pushing plate, can quickly clean the residual material in the first screening frame and the first discharge pipe in cooperation with the ring piece and the fixed shaft. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the main body structure schematic view of the utility model;

[0016] Figure 2 It is the first screening frame and the second screening frame sectional view of the utility model;

[0017] Figure 3 It is Figure 2 It is the enlarged view of A in the middle;

[0018] Figure 4 It is the material pushing mechanism structure split schematic view of the utility model;

[0019] Figure 5 It is the center seat and the sealing seat, bearing seat structure split schematic view of the utility model;

[0020] Figure 6 It isFigure 4 Enlarged view at B.

[0021] In the figure: 1, the hopper; 2, the exciter; 3, the base; 4, the support spring; 5, the first screening frame; 6, the first feeding pipe; 7, the second screening frame; 8, the second feeding pipe; 9, the fixed pipe; 10, the connecting pipe; 11, the ring piece; 12, the stirring mechanism; 13, the center base; 14, the first rotating shaft; 15, the second rotating shaft; 16, the stirring plate; 17, the limiting ring; 18, the fixed ring; 19, the adjusting handle; 20, the connecting rod; 21, the connecting ring; 22, the fixed shaft; 23, the sealing base; 24, the bearing base; 25, the fixed base; 26, the limiting shaft; 27, the insertion block; 28, the insertion slot; 29, the mounting slot; 30, the limiting slot; 31, the dust cover. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described in conjunction with the specific embodiments.

[0023] As shown in Figures 1-6 The utility model provides a pharmaceutical use oscillating screen, including hopper 1, two exciters 2 are fixedly installed outside hopper 1, and two exciters 2 are electrically connected with external controller through connecting wire respectively, the bottom base 3 is arranged to the lower end of hopper 1, and hopper 1 is fixedly connected with bottom base 3 through a plurality of support springs 4, the first screening frame 5 is fixedly installed at the upper end of hopper 1, the first screening frame 5 is fixedly installed with the first feeding pipe 6 outside, the second screening frame 7 is fixedly installed at the upper end of first screening frame 5, the second screening frame 7 is fixedly installed with the second feeding pipe 8 outside, the dust cover 31 is fixedly installed at the upper end of second screening frame 7, the fixed pipe 9 is fixedly installed at the upper end of dust cover 31, the connecting pipe 10 is arranged to the upper end of fixed pipe 9, the ring piece 11 is movably connected between fixed pipe 9 and connecting pipe 10, the stirring mechanism 12 is arranged in first screening frame 5 and second screening frame 7, dust cover 31, the stirring mechanism 12 includes two center bases 13, two center bases 13 are fixedly installed in the central position in first screening frame 5 and first feeding pipe 6 respectively, and the screen is fixedly connected with the inner side of first screening frame 5, first feeding pipe 6 outside two center bases 13 respectively, first rotating shaft 14 and second rotating shaft 15 are movably installed in two center bases 13 respectively, and stirring plate 16 is movably installed with first rotating shaft 14 and second rotating shaft 15 outside respectively.

[0024] As shown in Figure 2 The screen connected between two center bases 13 and first screening frame 5, first feeding pipe 6 has a slope, and the longitudinal section of the screen is in the shape of a truncated cone.

[0025] As shown in Figures 2-3As shown, the inner side of the fixed tube 9 is fixedly installed with a limiting ring 17, and the inner side of the connecting tube 10 is also fixedly installed with a limiting ring 17. The longitudinal section of the limiting ring 17 is in L-shaped structure, the longitudinal section of the ring piece 11 is in T-shaped structure, and the outer side of the ring piece 11 is fixedly installed with two fixed rings 18. The ring piece 11 located between the two fixed rings 18 is fixedly installed with a plurality of adjusting handles 19. The ring piece 11 is rotatably installed between the fixed tube 9 and the connecting tube 10 through the two fixed rings 18. The inner side of the ring piece 11 is fixedly installed with a plurality of connecting rods 20. A plurality of connecting rings 21 are fixedly connected between the connecting rods 20. The fixed tube 9 and the connecting tube 10 are rotatably connected through the ring piece 11, which can facilitate the rotation operation of the first rotating shaft 14 and the second rotating shaft 15 from the outside.

[0026] As shown in the figure, Figures 2-6 As shown, the lower end of the center seat 13 is fixedly installed with a plurality of fixed shafts 22, and the upper end of the center seat 13 is fixedly installed with a sealing seat 23, which is made of rubber material. The lower end of the center seat 13 is also provided with a bearing seat 24. The insertion holes on both sides of the bearing seat 24 are respectively inserted and installed on the corresponding fixed shafts 22 and are fixed by a snap spring. With the help of the setting of the bearing seat 24, the first rotating shaft 14 or the second rotating shaft 15 can move axially. The setting of the sealing seat 23 can seal the connection between the first rotating shaft 14 or the second rotating shaft 15 by using the characteristics of rubber material. The outer side of the first rotating shaft 14 is fixedly installed with a fixed seat 25, and the outer side of the second rotating shaft 15 is also fixedly installed with a fixed seat 25. The fixed seat 25 is fixedly installed with a limiting shaft 26 inside. The lower end of the first rotating shaft 14 is fixedly installed with an insertion block 27, and the upper end of the second rotating shaft 15 is provided with an insertion slot 28. The first rotating shaft 14 and the second rotating shaft 15 are respectively rotatably installed in the corresponding center seat 13, sealing seat 23 and bearing seat 24, and the second rotating shaft 15 and the insertion block 27 are mutually inserted and connected. The upper end of the first rotating shaft 14 passes through the connecting ring 21 and is clamped with a snap spring. One end of the push plate 16 is provided with a mounting slot 29, and the inner side of the mounting slot 29 is provided with two limiting grooves 30. One end of the push plate 16 is inserted and installed in the corresponding fixed seat 25 through the mounting slot 29, and the two mounting slots 29 are inserted and installed on the limiting shaft 26, and the limiting shaft 26 above the push plate 16 is clamped with a snap spring. Through the setting of the first rotating shaft 14 and the second rotating shaft 15, the two push plates 16 can be synchronously driven to rotate on the screen in the first screening frame 5 and the first discharging pipe 6, so as to scrape and clean the materials remaining in the first screening frame 5 and the first discharging pipe 6.

[0027] It should be noted that the utility model discloses a kind of pharmaceutical oscillating screen, when oscillating screen completes current screening processing, because the upper end of connecting pipe 10 is connected with feeding mechanism through pipeline, at this time, it can be made that ring piece 11 is rotated between two fixed pipes 9, connecting pipe 10 and two limit rings 17 by adjusting handle 19 outside rotating ring piece 11, so that ring piece 11 is also driven connecting ring 21 to rotate by multiple connecting rods 20, and connecting ring 21 is connected with the rectangular portion of the upper end of first rotating shaft 14 and synchronously drives first rotating shaft 14 to rotate, so that first rotating shaft 14 rotates in corresponding center seat 13, and the plug 27 of the lower end of first rotating shaft 14 is connected with the slot 28 of the upper end of second rotating shaft 15, that is, it can make that second rotating shaft 15 also rotates in corresponding center seat 13, so that first rotating shaft 14 and second rotating shaft 15 are synchronously driven corresponding paddle 16 to rotate by outside fixed seat 25 respectively, so that two paddle 16 are rotated on screen in first screening frame 5 and first discharge pipe 6 respectively, and then, residual material on screen is scraped to the position of first discharge pipe 6 or second discharge pipe 8 by paddle 16, and then, the function of exciter 2 is run for a certain time, that is, material placed in first discharge pipe 6 and second discharge pipe 8 is shaken off.

[0028] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pharmaceutical oscillating sieve, characterized in that: Including lower hopper (1), two excitation vibrator (2) are fixedly installed outside the lower hopper (1), and two excitation vibrator (2) are electrically connected with external controller through connecting wire respectively, the lower end of lower hopper (1) is provided with base (3), and lower hopper (1) is fixedly connected with base (3) through multiple support springs (4), the upper end of lower hopper (1) is fixedly installed with first screening frame (5), the outer side of first screening frame (5) is fixedly installed with first downpipe (6), the upper end of first screening frame (5) is fixedly installed with second screening frame (7), the outer side of second screening frame (7) is fixedly installed with second downpipe (8), and the upper end of second screening frame (7) is fixedly installed with dust cover (31). The upper end of dust cover (31) is fixedly installed with fixed tube (9), the upper end of fixed tube (9) is provided with connecting pipe (10), and movable connection ring piece (11) is arranged between fixed tube (9) and connecting pipe (10), the first screening frame (5) and second screening frame (7) are provided with stirring mechanism (12) in dust cover (31), the stirring mechanism (12) comprises two center seats (13), the two center seats (13) are fixedly installed in the central position in first screening frame (5) and first downpipe (6) respectively, and the outer sides of the two center seats (13) are fixedly connected with the inner sides of first screening frame (5) and first downpipe (6) respectively, the first screening frame (5) and first downpipe (6) are provided with screen cloth, the first rotating shaft (14) and second rotating shaft (15) are movably installed in the two center seats (13) respectively, and the outer sides of the first rotating shaft (14) and second rotating shaft (15) are movably installed with stirring plate (16).

2. A pharmaceutical oscillating sieve according to claim 1, characterized in that: The screen cloth connected between the two center seats (13) and the first screening frame (5) and the first downpipe (6) has a slope, and the longitudinal section of the screen cloth is in the shape of a circular truncated cone.

3. A pharmaceutical oscillating sieve according to claim 1, characterized in that: The inner side of fixed tube (9) is fixedly installed with limit ring (17), the inner side of connecting pipe (10) is also fixedly installed with limit ring (17), the longitudinal section of limit ring (17) is in L-shaped structure, the longitudinal section of ring piece (11) is in T-shaped structure, the outer side of ring piece (11) is fixedly installed with two fixed rings (18), a plurality of adjusting handles (19) are fixedly installed on the ring piece (11) between the two fixed rings (18), the ring piece (11) is rotatably installed between fixed tube (9) and connecting pipe (10) through the two fixed rings (18), a plurality of connecting rods (20) are fixedly installed on the inner side of ring piece (11), and a connecting ring (21) is fixedly connected between the plurality of connecting rods (20).

4. A pharmaceutical oscillating sieve according to claim 3, characterized in that: The lower end of center seat (13) is fixedly installed with a plurality of fixed shafts (22), the upper end of center seat (13) is fixedly installed with sealing seat (23), and sealing seat (23) is made of rubber material, the lower end of center seat (13) is also provided with bearing seat (24), and the insertion holes on both sides of bearing seat (24) are respectively inserted on the corresponding fixed shafts (22) and are fixed by snap spring.

5. A pharmaceutical oscillating sieve according to claim 4, characterized in that: The first rotating shaft (14) is fixedly installed with a fixed seat (25) outside, the second rotating shaft (15) is also fixedly installed with a fixed seat (25) outside, the fixed seat (25) is fixedly installed with a limiting shaft (26) inside, the first rotating shaft (14) is fixedly installed with an insertion block (27) at the lower end, the second rotating shaft (15) is provided with an insertion slot (28) at the upper end, the first rotating shaft (14) and the second rotating shaft (15) are respectively rotatably installed in the corresponding center seat (13), sealing seat (23) and bearing seat (24), and the second rotating shaft (15) and the insertion block (27) are mutually inserted and connected, and the first rotating shaft (14) passes through the connecting ring (21) and is clamped with a clamping spring.

6. A pharmaceutical oscillating sieve according to claim 5, characterized in that: One end of the dial plate (16) is provided with an installation slot (29), the inner side of the installation slot (29) is provided with two limiting grooves (30), one end of the dial plate (16) is inserted and installed on the corresponding fixed seat (25) through the installation slot (29), and the two installation slots (29) are inserted and installed on the limiting shaft (26), and the limiting shaft (26) located above the dial plate (16) is clamped with a clamping spring.

Citation Information

Patent Citations

  • Vortex vibrating screen for pharmacy

    CN216678982U