Raw material medicine filtering device

Abstract

The utility model discloses a raw material medicine filtering device which comprises a first motor, the output end of the first motor is fixedly connected with a filtering cylinder, the end, away from the first motor, of the filtering cylinder is rotationally connected with a discharging hole plate, and the inner wall of the side of a box body is fixedly connected with an auger; one end of the conveying pipe is fixedly connected with a fan, one end, far away from the fan, of the conveying pipe is fixedly connected with the feeding pipe, the side surface of the conveying pipe is fixedly connected with a grinding hopper, the side surface of the grinding hopper is fixedly connected with a motor III, the output end of the motor III is fixedly connected with a roller, and one end, far away from the motor III, of the roller is fixedly connected with a gear; the upper surface of the grinding hopper is fixedly connected with a filter plate, the side surface of the filter plate is fixedly connected with a motor II, the output end of the motor II is fixedly connected with a screw, the side surface of the screw is in threaded connection with a sweeper, and the inner side surface of the filter plate is fixedly connected with a filter screen. By means of the components, raw material medicine powder, large-particle medicine powder and waste can be separated through the filter cartridge, and the waste and the large-particle medicine powder are separated through the filter screen, ground again and conveyed to the feeding pipe to be screened again.

Description

Technical Field

[0001] The utility model relates to the technical field of medical production, in particular to a filter device for raw pharmaceutical materials. Background Art

[0002] Existing filter devices for raw pharmaceutical materials all use filter screens to screen raw pharmaceutical powders, or put the powders into a drum for rolling screening. Although the fine powders can be effectively screened, the screening efficiency is too low. At the same time, the filter screen is easily blocked during screening, and there is no mechanism for re-grinding the large-particle pharmaceutical powders screened out, so the resources are not well utilized. For example, a rapid filter device for raw pharmaceutical powders disclosed in a Chinese patent, with the application number CN202221777347.3, although it uses a moving sieve drum for screening and the rotating moving sieve drum is not easily blocked, and a lot of powders can be filtered at one time to improve the filtering efficiency, but the powders can only be put into the moving sieve drum in advance for screening, which is complex to use and affects the filtering efficiency. At the same time, the large-particle pharmaceutical powders screened out are not processed, wasting the raw materials and reducing the utilization efficiency of the raw materials, and its use has limitations. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a filter device for raw pharmaceutical materials. Using a filter cylinder to screen raw pharmaceutical powders effectively solves the problem that the filter screen is easily blocked during screening. At the same time, the filter cylinder is provided with slot holes to enable the powders to enter the filter cylinder at a certain frequency, increasing the fineness during the screening of the powders. The large-particle pharmaceutical powders and waste materials are also transported to the filter screen by a screw conveyor for re-screening. After being ground, the large-particle pharmaceutical powders are sent back to the filter cylinder for screening again, improving the utilization efficiency of the powders.

[0004] The present utility model also provides an above-mentioned raw material drug filtering device, which includes: a feeding hopper is fixedly connected to the upper surface of a box body, one end of the feeding hopper close to the box body is fixedly connected to a feeding pipe, one end of the feeding pipe away from the feeding hopper is fixedly connected to a feeding orifice plate, a first motor is fixedly connected to the inner side wall of the box body, the output end of the first motor is fixedly connected to a filtering cylinder, one end of the filtering cylinder away from the first motor is rotatably connected to a discharging orifice plate, and a screw conveyor is fixedly connected to the inner side wall of the box body; a conveying pipe is fixedly connected to the lower bottom wall of the box body, one end of the conveying pipe is fixedly connected to a blower, the end of the conveying pipe away from the blower is fixedly connected to the feeding pipe, a grinding hopper is fixedly connected to the side surface of the conveying pipe, a third motor is fixedly connected to the side surface of the grinding hopper, the output end of the third motor is fixedly connected to a roller, a gear is fixedly connected to one end of the roller away from the third motor, a filtering plate is fixedly connected to the upper surface of the grinding hopper, a second motor is fixedly connected to the side surface of the filtering plate, the output end of the second motor is fixedly connected to a screw rod, a cleaning brush is threadedly connected to the side surface of the screw rod, one end of the screw rod away from the second motor is rotatably connected to the filtering plate, and a filter screen is fixedly connected to the inner side surface of the filtering plate. Through the above components, the raw material drug powder, large particle drug powder and waste can be separated by the filtering cylinder, and then the waste and the large particle drug powder are separated by the filter screen and then ground again and sent to the feeding pipe for re-screening.

[0005] According to the raw material drug filtering device of the present utility model, a raw material drug box is slidably connected to the upper bottom wall of the box body, and the raw material drug box is located below the filtering cylinder. Through the above components, the separated raw material drug powder can be collected into the raw material drug box.

[0006] According to the raw material drug filtering device of the present utility model, a waste box is slidably connected to the upper bottom wall of the box body, there are two waste boxes and they are symmetrically distributed, and the filtering plate is located between the two waste boxes. Through the above components, the waste can be collected into the waste box.

[0007] According to the raw material drug filtering device of the present utility model, there are two rollers and they are symmetrically distributed, and the two rollers are in contact with each other during operation. Through the above components, the large particle drug powder can be ground again by the rollers.

[0008] According to the raw material drug filtering device of the present utility model, there are two gears and they are symmetrically distributed, and the two gears are meshed with each other. Through the above components, the two rollers can be driven to rotate to grind the large particle drug powder again.

[0009] According to the raw material drug filtering device of the present utility model, a cleaning brush is fixedly connected to the inner side wall of the box body, and the cleaning brush is in contact with the filtering cylinder. Through the above components, the filtering cylinder can be cleaned by the cleaning brush to prevent the filtering cylinder from being blocked.

[0010] An API filtering device according to the present utility model, one end of the filter cylinder away from the discharge orifice plate is rotatably connected to the feed orifice plate, and a slot hole is provided at one end of the filter cylinder away from the discharge orifice plate. Through the above components, the powder can enter the filter cylinder through the slot hole.

[0011] An API filtering device according to the present utility model, one end of the auger away from the box body extends into the filter cylinder, and the side surface of the auger is fixedly connected to the discharge orifice plate. Through the above components, by rotating the filter cylinder, the auger can transport the powder to the discharge orifice plate.

[0012] An API filtering device according to the present utility model, a feed inlet is provided on the side surface of the feed orifice plate, and a discharge outlet is provided on the side surface of the discharge orifice plate. Through the above components, the powder can enter the filter cylinder through the feed inlet provided on the feed orifice plate, and the large particle powder and waste can be discharged from the discharge outlet provided on the discharge orifice plate out of the filter cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0014] Figure 1 is the overall structure diagram of the API filtering device of the present utility model;

[0015] Figure 2 is the front sectional view structure diagram of the API filtering device of the present utility model;

[0016] Figure 3 is the overall sectional view structure diagram of the API filtering device of the present utility model;

[0017] Figure 4 is the structure diagram of the grinding hopper mechanism of the API filtering device of the present utility model.

[0018] Legend Explanation:

[0019] 1. Box body; 2. Feed hopper; 3. API box; 4. Waste box; 5. Feed pipe; 6. Feed orifice plate; 7. Filter cylinder; 8. Auger; 9. Discharge orifice plate; 10. Motor I; 11. Cleaning brush; 12. Filter plate; 13. Sweeping brush; 14. Grinding hopper; 15. Filter screen; 16. Drum; 17. Motor II; 18. Feed pipe; 19. Fan; 20. Gear; 21. Motor III; 22. Screw. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0021] Referring to Figures 1-4 , in an embodiment of the present utility model, a filtering device for bulk drugs includes: a feeding hopper 2 is fixedly connected to the upper surface of a box body 1, and the drug powder is fed into the device through the feeding hopper 2. One end of the feeding hopper 2 close to the box body 1 is fixedly connected to a feeding pipe 5, and the drug powder is fed to a feeding orifice plate 6. One end of the feeding pipe 5 away from the feeding hopper 2 is fixedly connected to the feeding orifice plate 6. The side surface of the feeding orifice plate 6 is provided with a feeding port, and when the feeding port is in fit with the slot holes formed in a filtering cylinder 7, the drug powder can be fed into the filtering cylinder 7. A first motor 10 is fixedly connected to the inner side wall of the box body 1 to provide power for the rotation of the filtering cylinder 7. The output end of the first motor 10 is fixedly connected to the filtering cylinder 7 to screen the bulk drug powder from large particle drug powder and waste materials. One end of the filtering cylinder 7 away from the first motor 10 is rotatably connected to a discharging orifice plate 9. The side surface of the discharging orifice plate 9 is provided with a discharging port, and the large particle drug powder and waste materials are sent out through the discharging port. An auger 8 is fixedly connected to the inner side wall of the box body 1, and one end of the auger 8 away from the box body 1 extends into the filtering cylinder 7. The side surface of the auger 8 is fixedly connected to the discharging orifice plate 9, and can transport the large particle drug powder and waste materials; a conveying pipe 18 is fixedly connected to the bottom wall of the box body 1 to send the ground drug powder to the feeding pipe 5 for screening again. One end of the conveying pipe 18 is fixedly connected to a blower 19 to provide power for sending the drug powder to the feeding pipe 5. The end of the conveying pipe 18 away from the blower 19 is fixedly connected to the feeding pipe 5. A grinding hopper 14 is fixedly connected to the side surface of the conveying pipe 18. A roller 16 is provided to grind the large particle drug powder. A third motor 21 is fixedly connected to the side surface of the grinding hopper 14 to provide power for the rotation of the roller 16. The output end of the third motor 21 is fixedly connected to the roller 16. There are two rollers 16 which are symmetrically distributed. The two rollers 16 are in contact with each other during operation and can grind the large particle drug powder. One end of the roller 16 away from the third motor 21 is fixedly connected to a gear 20. There are two gears 20 which are symmetrically distributed. The two gears 20 are meshed with each other, so that the two rollers 16 can rotate synchronously to grind the drug powder. A filtering plate 12 is fixedly connected to the upper surface of the grinding hopper 14. A sweeping brush 13 and a filter screen 15 are provided to screen and clean the waste materials. A second motor 17 is fixedly connected to the side surface of the filtering plate 12 to provide power for the rotation of a screw 22. The output end of the second motor 17 is fixedly connected to the screw 22 to drive the sweeping brush 13 to move back and forth. The side surface of the screw 22 is threadedly connected to the sweeping brush 13. One end of the screw 22 away from the second motor 17 is rotatably connected to the filtering plate 12 to move back and forth to clean the waste materials separated on the filter screen 15. A filter screen 15 is fixedly connected to the inner side surface of the filtering plate 12 to screen the waste materials and the large particle drug powder.

[0022] The upper bottom wall of the box body 1 is slidably connected with the raw material medicine box 3. The raw material medicine box 3 is located below the filter cylinder 7, so that the raw material medicine box 3 can collect the raw materials screened by the filter cylinder 7. The upper bottom wall of the box body 1 is slidably connected with the waste box 4. There are two waste boxes 4 and they are symmetrically distributed. The filter plate 12 is located between the two waste boxes 4 and can collect the waste cleaned by the sweeping brush 13.

[0023] The side inner wall of the box body 1 is fixedly connected with a cleaning brush 11. The cleaning brush 11 is attached to the filter cylinder 7 to clean the filter cylinder 7 and prevent the filter cylinder 7 from being blocked. One end of the filter cylinder 7 far away from the discharge hole plate 9 is rotatably connected with the feed hole plate 6. A slot hole is opened at one end of the filter cylinder 7 far away from the discharge hole plate 9. When the slot hole is opposite to the hole of the feed hole plate 6, the powder can be sent into the filter cylinder 7. The powder is sent into the filter cylinder 7 in batches according to the rotation frequency of the filter cylinder 7, which reduces the burden on the filter cylinder 7 and improves the screening efficiency.

[0024] Working principle: The processed powder is sent to the feed hole plate 6 through the feed hopper 2. When the slot hole opened on the side surface of the filter cylinder 7 is opposite to the feed port opened on the feed hole plate 6, the powder can be sent into the filter cylinder 7. Under the action of the auger 8, the powder is transported to the discharge hole plate 9. The raw material powder enters the raw material medicine box 3 through the filter cylinder 7. The large particle powder and waste are sent to the filter screen 15 for screening again. The waste is swept into the waste box 4 by the sweeping brush 13. The large particle powder is ground by the roller 16 and then sent to the feed pipe 5 through the action of the fan 19 and the conveying pipe 18 for screening again.

[0025] The above has described the embodiments of the present invention in detail with reference to the drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. A bulk drug filtering device, characterized in that: include: The upper surface of the box body (1) is fixedly connected to a feed hopper (2); the end of the feed hopper (2) close to the box body (1) is fixedly connected to a feed pipe (5); the end of the feed pipe (5) away from the feed hopper (2) is fixedly connected to a feed orifice plate (6); the side inner wall of the box body (1) is fixedly connected to a motor 1 (10); the output end of the motor 1 (10) is fixedly connected to a filter cartridge (7); the end of the filter cartridge (7) away from the motor 1 (10) is rotatably connected to a discharge orifice plate (9); and the side inner wall of the box body (1) is fixedly connected to an auger (8); The lower bottom wall of the box body (1) is fixedly connected to a material conveying pipe (18), one end of the material conveying pipe (18) is fixedly connected to a fan (19), the end of the material conveying pipe (18) away from the fan (19) is fixedly connected to the feeding pipe (5), the side surface of the material conveying pipe (18) is fixedly connected to a grinding bucket (14), the side surface of the grinding bucket (14) is fixedly connected to a motor three (21), the output end of the motor three (21) is fixedly connected to a roller (16), and the roller (16) is away from the motor three (21). One end of the grinding bucket (14) is fixedly connected to a gear (20), the upper surface of the grinding bucket (14) is fixedly connected to a filter plate (12), the side surface of the filter plate (12) is fixedly connected to a second motor (17), the output end of the second motor (17) is fixedly connected to a screw rod (22), the side surface of the screw rod (22) is threadedly connected to a sweeping brush (13), the end of the screw rod (22) away from the second motor (17) is rotatably connected to the filter plate (12), and the inner side surface of the filter plate (12) is fixedly connected to a filter screen (15).

2. A bulk drug filtering device according to claim 1, characterized in that: The upper bottom wall of the box body (1) is slidably connected to a raw material medicine box (3), and the raw material medicine box (3) is located below the filter cylinder (7).

3. A bulk drug filtering device according to claim 1, characterized in that: The upper bottom wall of the box body (1) is slidably connected to a waste box (4), there are two waste boxes (4) which are symmetrically distributed, and the filter plate (12) is located between the two waste boxes (4).

4. A bulk drug filtering device according to claim 1, characterized in that: There are two rollers (16) which are symmetrically distributed, and the two rollers (16) fit closely together during operation.

5. A bulk drug filtering device according to claim 1, characterized in that: There are two gears (20) which are symmetrically distributed, and the two gears (20) are meshed with each other.

6. A bulk drug filtering device according to claim 1, characterized in that: A cleaning brush (11) is fixedly connected to the inner side wall of the box body (1), and the cleaning brush (11) is in close contact with the filter cartridge (7).

7. A bulk drug filtering device according to claim 1, characterized in that: One end of the filter cartridge (7) away from the discharge orifice plate (9) is rotatably connected to the feed orifice plate (6), and one end of the filter cartridge (7) away from the discharge orifice plate (9) is provided with a slot.

8. A bulk drug filtering device according to claim 1, characterized in that: One end of the auger (8) away from the housing (1) extends to the interior of the filter cartridge (7), and the side surface of the auger (8) is fixedly connected to the discharge orifice plate (9).

9. A bulk drug filtering device according to claim 1, characterized in that: The side surface of the material inlet orifice plate (6) is provided with an inlet port, and the side surface of the material outlet orifice plate (9) is provided with an outlet port.

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