CN219003648U

CN219003648U - Powder screening plant

Info

Publication number: CN219003648U
Application number: CN202223252531.9U
Authority: CN
Inventors: 徐伏彪; 江尔胜; 苏子轩
Original assignee: Suzhou Huanghe Pharmaceutical Co ltd
Current assignee: Suzhou Huanghe Pharmaceutical Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-12
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a powder screening device which effectively solves the problem that the existing powder can only fall under the action of centrifugal force and self gravity, so that screening efficiency is low.

Description

Powder screening plant

Technical Field

The utility model belongs to the field of powder screening, and particularly relates to a powder screening device.

Background

In the production process of the powdery medicine, the size of the powdery medicine needs to be screened, and the powder of different types adopts a screening device slightly different.

According to the patent document with the publication number of CN211488442U, the utility model is named as a screening device for large powder particles, and the specification of the patent document is as follows: when the novel screening box is used, firstly, the temperature is raised for the inside of the box body through the electric heating pipe, then powder to be screened is added into the screening barrel from the feed hopper, the transverse plate is driven to move downwards through the electric telescopic rod, the short rod is close to the screening plate, the motor is started, the vertical shaft is driven to rotate, the vertical shaft drives the fixing plate to rotate, the fixing plate finally drives the whole screening barrel to rotate, powder particles smaller than the target mesh in size flow downwards from the screening plate in the rotating process of the screening barrel, finally are discharged from the discharge hole and collected through the collecting box, meanwhile, the powder is influenced by centrifugal force in the rotating process, on one hand, the powder can be contacted with the short rod, and the short rod breaks up the powder, so that screening blanking is facilitated. By adopting the technical scheme, the electric heating pipe can be used for drying the wetted part of the powder, preventing the powder from caking and being matched with the scattering mechanism, the screening efficiency of the powder can be greatly improved, but the following defects still exist:

because the screening plate cannot vibrate, the powder can only fall under the action of centrifugal force and self gravity, so that the screening efficiency is lower.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the powder screening device, which effectively solves the problem that the existing powder can only fall under the action of centrifugal force and self gravity, so that the screening efficiency is lower.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the powder screening device comprises a base, wherein a supporting plate is arranged at the top end of the base, a screening component is arranged at the top end of the base, and a top cover component is arranged above the screening component;

the screening subassembly is including locating the barrel of base top, and the feed bin is installed to the bottom of barrel, and the supporting leg is installed to the bottom equiangular of feed bin down, and supporting leg fixed mounting is on the base, installs the solid fixed ring on the inside of barrel, and the inboard rotation of solid fixed ring is connected with the expansion ring, and the bottom of expansion ring is equipped with the screening board, is equipped with the moving part between expansion ring and the screening board.

Preferably, the movable piece comprises a sleeve which is installed at equal angles, a movable rod is movably connected in the sleeve, the bottom end of the movable rod is fixedly connected with the screening plate, a spring is installed at the top end of the movable rod, and the top end of the spring is fixedly connected with the inner top wall of the sleeve.

Preferably, teeth are arranged at the top end of the movable ring at equal angles, one side of each tooth is meshed with an output bevel gear connected with a first motor, and the first motor is fixedly arranged on the fixed ring.

Preferably, the top cap subassembly is including locating the top cap body of barrel top, and the inlet pipe is installed on the top of top cap body, and the second motor is installed on the top of top cap body, and the axis of rotation is installed to the output of second motor, and the axis of rotation is connected with the top cap body rotation.

Preferably, the inside of axis of rotation has been seted up spacing spout, and the inside sliding connection of spacing spout has spacing slide bar, and broken pole is installed to the outside equiangular degree of spacing slide bar, and the diapire of spacing slide bar is hugged closely with the roof of screening board.

Preferably, the magnetic block is installed on the top end of the limiting slide bar, an electromagnet is installed on the bottom wall of the top cover body, the electromagnet is externally connected with a power supply, and the electromagnet is magnetically connected with the magnetic block.

Preferably, the sliding block is installed on one side of the top cover body, which is close to the supporting plate, the sliding block is slidably connected inside the sliding groove, the sliding groove is formed in one side of the supporting plate, which is close to the top cover body, the screw is rotationally connected with the inside of the sliding groove, the screw is in threaded connection with the sliding block, the screw is fixedly connected with the output shaft of the third motor, and the third motor is fixedly installed on the supporting plate.

Compared with the prior art, the utility model has the beneficial effects that: through opening the first motor, the movable ring rotates to drive the screening plate to rotate, and meanwhile, powder is introduced into the screening plate from the feeding pipe, so that the powder is uniformly spread on the top end of the screening plate, the screening effect is improved, small-particle powder is discharged from the filtering holes of the screening plate, the limiting slide rod rotates after the second motor is started, the rotating direction of the limiting slide rod is opposite to the rotating direction of the screening plate, and therefore, the crushing rod breaks up large-particle powder on the top end of the screening plate, and the screening of the powder is facilitated; this novel circular telegram through electro-magnet intermittent, when the electro-magnet circular telegram, spacing slide bar downwardly moving produces decurrent pressure to screening board for the spring is tensile, and after the electro-magnet outage, makes screening board vibration from top to bottom under spring self elastic action, thereby shakes screening board top granule powder and falls, improves screening efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

fig. 1 is a schematic diagram of a powder screening device according to the present utility model;

FIG. 2 is a schematic view of the structure of the cylinder of the present utility model;

FIG. 3 is a schematic view of the internal structure of the cylinder according to the present utility model;

FIG. 4 is a schematic view of a screen deck structure according to the present utility model;

FIG. 5 is a schematic view of the structure of the top cover body of the present utility model;

FIG. 6 is a schematic view of the internal structure of the rotating shaft of the present utility model;

in the figure: 1. a base; 2. a support plate; 3. a screen assembly; 301. a cylinder; 302. discharging the material bin; 303. support legs; 304. a fixing ring; 305. a first motor; 306. a movable ring; 307. teeth; 309. a sleeve; 310. a movable rod; 311. a screening plate; 312. a spring; 4. a top cover assembly; 401. a top cover body; 402. a feed pipe; 403. a second motor; 404. a rotating shaft; 405. limiting sliding grooves; 406. a limit slide bar; 407. a breaker bar; 408. a magnetic block; 409. an electromagnet; 5. a sliding groove; 6. a sliding block; 7. a screw; 8. and a third motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, the present utility model is a powder screening device, which comprises a base 1, a supporting plate 2 is installed at the top end of the base 1, a screening assembly 3 is arranged at the top end of the base 1, and a top cover assembly 4 is arranged above the screening assembly 3.

The screening assembly 3 comprises a cylinder 301 arranged above a base 1, a lower bin 302 is arranged at the bottom end of the cylinder 301, supporting legs 303 are arranged at the bottom end of the lower bin 302 at equal angles, the supporting legs 303 are fixedly arranged on the base 1, a fixed ring 304 is arranged in the cylinder 301, a movable ring 306 is rotatably connected to the inner side of the fixed ring 304, a screening plate 311 is arranged at the bottom end of the movable ring 306, a movable piece is arranged between the movable ring 306 and the screening plate 311 and comprises a sleeve 309 which is arranged at equal angles, a movable rod 310 is movably connected to the inside of the sleeve 309, the bottom end of the movable rod 310 is fixedly connected with the screening plate 311, a spring 312 is arranged at the top end of the movable rod 310, the top end of the spring 312 is fixedly connected with the inner top wall of the sleeve 309, teeth 307 are arranged at equal angles at the top end of the movable ring 306, one side of the teeth 307 is meshed with an output bevel gear of a first motor 305, and the first motor 305 is fixedly arranged on the fixed ring 304.

The top cover assembly 4 comprises a top cover body 401 arranged above the cylinder 301, a feed pipe 402 is arranged at the top end of the top cover body 401, a second motor 403 is arranged at the top end of the top cover body 401, a rotating shaft 404 is arranged at the output end of the second motor 403, the rotating shaft 404 is rotationally connected with the top cover body 401, a limit sliding groove 405 is arranged in the rotating shaft 404, a limit sliding rod 406 is slidingly connected in the limit sliding groove 405, a crushing rod 407 is arranged at the outer side of the limit sliding rod 406 at equal angles, the bottom wall of the limit sliding rod 406 is tightly attached to the top wall of the screening plate 311, a magnetic block 408 is arranged at the top end of the limit sliding rod 406, an electromagnet 409 is arranged on the bottom wall of the top cover body 401, an electromagnet 409 is externally connected with a power supply, the electromagnet 409 is magnetically connected with the magnetic block 408, a sliding block 6 is arranged at one side of the top cover body 401 close to the support plate 2, the sliding block 6 is slidingly connected in the sliding groove 5, the sliding groove 5 is arranged on one side of the supporting plate 2, which is close to the top cover body 401, the screw 7 is rotationally connected to the inside of the sliding groove 5, the screw 7 is in threaded connection with the sliding block 6, the screw 7 is fixedly connected with the output shaft of the third motor 8, the third motor 8 is fixedly arranged on the supporting plate 2, the first motor 305 is started, the movable ring 306 rotates to drive the sieving plate 311 to rotate, meanwhile, medicine powder is introduced into the sieving plate 311 from the feeding pipe 402, so that the medicine powder is evenly spread on the top end of the sieving plate 311, the sieving effect is improved, small-particle medicine powder is discharged from the filtering hole of the sieving plate 311, the limiting slide rod 406 rotates after the second motor 403 is started, the rotating direction of the limiting slide rod 406 is opposite to the rotating direction of the sieving plate 311, so that the crushing rod 407 breaks up large-particle medicine powder on the top end of the sieving plate 311, the medicine powder is conveniently sieved, the electromagnet 409 is electrified intermittently, and when the electromagnet 409 is electrified, the limiting slide bar 406 moves downwards to generate downward pressure on the sieving plate 311, so that the spring 312 is stretched, after the electromagnet 409 is powered off, the sieving plate 311 vibrates up and down under the elastic action of the spring 312, and small-particle medicine powder at the top end of the sieving plate 311 is vibrated down, so that the sieving efficiency is improved.

When the novel sieving machine is used, the third motor 8 is started, the screw rod 7 rotates, the screw rod 7 is in threaded connection with the sliding block 6, the top cover body 401 is driven to move downwards, the bottom wall of the top cover body 401 is made to be clung to the top wall of the cylinder 301, the bottom wall of the limit sliding rod 406 is made to be clung to the top wall of the sieving plate 311, the first motor 305 is started, the output helical gear of the first motor 305 is meshed with the teeth 307 at the top end of the movable ring 306, the movable ring 306 is driven to rotate along the fixed ring 304, the sieving plate 311 is driven to rotate, powder is introduced from the feeding pipe 402 to the top end of the sieving plate 311, the powder uniformly falls to the top end of the sieving plate 311, the second motor 403 is driven to rotate, the rotating shaft 404 is driven to rotate, the limit sliding rod 406 is driven to rotate in the rotating direction opposite to the rotating direction of the sieving plate 311, the breaking rod 407 is made to break up large particles at the top end of the sieving plate 311, the small particles fall into the inside of the middle-down bin 302 from the filtering hole of the sieving plate 311 and slide down to the outside, in the sieving process, the electromagnet 409 is driven to rotate along the fixed ring 304, the sieving plate 311 is driven to rotate, the powder is driven to move downwards, the elastic repulsion force is generated, the small particles at the top end of the sieving plate 311 is driven to move down, and the sieving plate 311 is driven to move down, and the sieving plate is driven to move down to the sieving plate 311, and the magnetic force is driven to move down to the sieving plate 311.

Claims

1. A powder screening device, characterized in that: the screening assembly comprises a base (1), a supporting plate (2) arranged at the top end of the base (1) and a screening assembly (3) arranged at the top end of the base (1), wherein the screening assembly (3) comprises a barrel (301) arranged above the base (1), a discharging bin (302) arranged at the bottom end of the barrel (301) and supporting legs (303) arranged at the bottom end of the discharging bin (302), the supporting legs (303) are fixedly arranged on the base (1), a fixed ring (304) is arranged on the inside of the barrel (301), a movable ring (306) is connected to the inner side of the fixed ring (304) in a rotating mode, a screening plate (311) is arranged at the bottom end of the movable ring (306), and a movable piece is arranged between the movable ring (306) and the screening plate (311).

2. A powder screening device according to claim 1, characterized in that: the movable piece comprises a sleeve (309) which is installed at equal angles, a movable rod (310) is movably connected in the sleeve (309), the bottom end of the movable rod (310) is fixedly connected with the screening plate (311), a spring (312) is installed at the top end of the movable rod (310), and the top end of the spring (312) is fixedly connected with the inner top wall of the sleeve (309).

3. A powder screening device according to claim 1, characterized in that: teeth (307) are arranged at the top end of the movable ring (306) at equal angles, one side of the teeth (307) is connected with an output bevel gear of a first motor (305) in a meshed mode, and the first motor (305) is fixedly arranged on the fixed ring (304).

4. A powder screening device according to claim 1, characterized in that: top cap subassembly (4) are equipped with in the top of screening subassembly (3), top cap subassembly (4) are including locating top cap body (401) of barrel (301) top, and inlet pipe (402) are installed on top of top cap body (401), and second motor (403) are installed on top of top cap body (401), and axis of rotation (404) are installed to the output of second motor (403), and axis of rotation (404) are connected with top cap body (401) rotation.

5. The powder screening device of claim 4, wherein: a limit sliding groove (405) is formed in the rotating shaft (404), a limit sliding rod (406) is connected to the inside of the limit sliding groove (405) in a sliding mode, a crushing rod (407) is arranged on the outer side of the limit sliding rod (406) at equal angles, and the bottom wall of the limit sliding rod (406) is tightly attached to the top wall of the screening plate (311).

6. A powder screening device as claimed in claim 5, wherein: the top end of the limit sliding rod (406) is provided with a magnetic block (408), the bottom wall of the top cover body (401) is provided with an electromagnet (409), the electromagnet (409) is externally connected with a power supply, and the electromagnet (409) is magnetically connected with the magnetic block (408).

7. The powder screening device of claim 4, wherein: and a sliding block (6) is arranged on one side of the top cover body (401) close to the supporting plate (2), and the sliding block (6) is in sliding connection with the inside of the sliding groove (5).

8. The powder screening device of claim 7, wherein: the sliding groove (5) is formed in one side, close to the top cover body (401), of the supporting plate (2), a screw (7) is connected to the inside of the sliding groove (5) in a rotating mode, the screw (7) is in threaded connection with the sliding block (6), the screw (7) is fixedly connected with an output shaft of the third motor (8), and the third motor (8) is fixedly mounted on the supporting plate (2).