Powder recovery device for pharmacy
By designing a drug powder recovery device including a powder collection box, a filter mechanism and a cam mechanism, the problem of blockage and low recycling efficiency of drug powder adhesion on the filter is solved, and efficient drug powder recovery and filter cleaning are achieved.
Patent Information
- Application Number
- CN202420713378.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-09
AI Technical Summary
In the prior art, when recycling drug powder, the drug powder is prone to adhere to the filter, causing the filter to be blocked, affecting the recycling efficiency, and requiring frequent cleaning.
A pharmaceutical powder recycling device is designed, including a powder collection box, a filter mechanism, a cam mechanism and a powder collection bucket. The filtering mechanism shakes it through the second filter and the cam mechanism to prevent the drug powder from adhering; the first filter is used to filter the drug powder to prevent it from being re-exhausted.
Effectively recycle and collect drug powder floating in the air to prevent drug powder from adhering to the filter, improve the efficiency of drug powder recycling and reduce the need for filter cleaning.
Smart Images
Figure CN222641519U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pharmaceutical manufacturing, and particularly relates to a powder recovery device for pharmaceutical use. Background Art
[0002] Drugs refer to substances used for preventing, treating, and diagnosing human diseases, which are used to purposefully regulate the physiological functions of humans and are specified with indications, functions, main indications, usage, and dosage. During the pharmaceutical manufacturing process, due to the light quality of pharmaceutical powders, drug powders and dust will inevitably be generated in the surrounding areas of pharmaceutical equipment. The drug powders and dust floating in the air will not only affect the air quality of the pharmaceutical workshop but also affect the physical health of production personnel. Therefore, it is necessary to recover and treat the drug powders and dust floating in the air.
[0003] The prior art usually adopts the method of filter screen separation to recover drug powders and dust. However, due to the long-term filtration of drug powders by the filter screen, a layer of drug powder will adhere to the filter screen. In severe cases, the filter screen will be blocked, affecting the filtration efficiency of the filter screen for drug powders and reducing the recovery efficiency of drug powders. Therefore, it is necessary to frequently clean the drug powder adhering to the filter screen, and the operation is rather troublesome. Summary of the Invention
[0004] In order to solve the problem that drug powders are easily attached to the filter screen during the recovery of drug powders in the prior art, the utility model provides a powder recovery device for pharmaceutical use. The device can effectively recover and collect the drug powders floating in the air, and can prevent the drug powders from easily adhering to the filter screen, avoiding the phenomenon of drug powder blockage of the filter screen and improving the recovery efficiency of drug powders.
[0005] To achieve the above object, the technical solution of the utility model is: a powder recovery device for pharmaceutical use, including a powder collection box. A filtering mechanism is arranged inside the powder collection box. A cam mechanism is arranged above the filtering mechanism, and a powder collection hopper is arranged below the filtering mechanism. An inlet powder hole is opened at the top of the powder collection box, and an exhaust hole is opened on one side of the powder collection box. A fan and a first filter screen are arranged at the exhaust hole, and external air can be pumped into the powder collection box through the inlet powder hole by the fan.
[0006] The filtering mechanism includes a fixed seat, a spring, an upper top plate, and a second filter screen. The fixed seats are arranged on the inner walls of both sides and the rear side of the powder collection box. The spring is arranged on each fixed seat. A filter screen frame is arranged around the second filter screen, and the filter screen frame is located inside the fixed seat. The upper top plate has a "U" - shaped structure. The bottom of the upper top plate is connected to the upper end of the spring, and the top abuts against the bottom of the filter screen frame. The second filter screen is installed in the powder collection box through the cooperation of the spring and the upper top plate.
[0007] The cam mechanism includes two cam assemblies, and the cam assembly includes a transmission shaft rotatably arranged in a powder collection box. A plurality of cams are arranged on the transmission shaft at intervals. The cams are driven to rotate by the transmission shaft, so that the cams can collide with the second filter screen, so that the second filter screen is deformed and shakes, making it difficult for drug powder to adhere to the second filter screen.
[0008] Furthermore, a guide rail is arranged on the top of the bottom plate of the powder collecting box, and a slider corresponding to the guide rail is arranged at the bottom of the powder collecting hopper, and the slider is slidably arranged on the guide rail; a square hole is opened at the front side of the powder collecting box corresponding to the position of the powder collecting hopper, and a handle is fixedly arranged on the powder collecting hopper, and the powder collecting hopper is conveniently pushed and pulled through the cooperation of the guide rail and the slider, so that the powder collecting hopper can be placed in the powder collecting box or moved out of the powder collecting box.
[0009] Furthermore, a powder extraction pipe is provided at the top of the powder collection box at a position corresponding to the powder inlet hole, and a powder extraction hood is fixedly provided at the end of the powder extraction pipe. The external air can be drawn into the powder collection box through the powder extraction hood and the powder extraction pipe by a fan.
[0010] Furthermore, the height of the exhaust hole is lower than the height of the second filter, the fan is fixedly arranged on the outer wall of the powder collecting box, and the first filter is fixedly arranged on the inner wall of the powder collecting box. The first filter plays a role in filtering the drug powder to prevent the drug powder from being discharged into the external air.
[0011] Furthermore, the fixing seat comprises a fixing plate fixedly arranged on the inner wall of the powder collecting box, two mounting plates are arranged at intervals on the inner side of the fixing plate, the spring is fixedly arranged between the two mounting plates, and the fixing seat plays the role of installing and fixing the spring.
[0012] Furthermore, a partition is fixedly provided at the bottom of the filter frame, and the partition is located on the inner side of the fixing seat. The partition is used to block the medicine powder to prevent the medicine powder from accumulating between the two mounting plates.
[0013] Furthermore, an inspection hole is provided on the front side of the powder collecting box at a position corresponding to the filtering mechanism, and an inspection door is provided on the outer side wall of the powder collecting box at a position corresponding to the inspection hole, so that the second filter screen can be easily disassembled and installed through the inspection hole.
[0014] Furthermore, the cam mechanism also includes a reduction motor and a belt, a support plate is fixedly arranged on the rear side of the powder collection box, and the reduction motor is arranged on the support plate; one end of the transmission shaft of one of the cam assemblies extends to the outside of the powder collection box and is connected to the output shaft of the reduction motor.
[0015] Furthermore, the other ends of the transmission shafts of the two cam assemblies extend to the outside of the powder collection box and are connected to pulleys, and the belt sleeves are arranged on the two pulleys; the cams on the two transmission shafts are arranged relatively to each other, and through the cooperation of the belt and the two pulleys, the two transmission shafts can rotate synchronously, and the cams on the two transmission shafts alternately collide with the second filter screen, which can effectively prevent the drug powder from adhering to the second filter screen.
[0016] Furthermore, a plurality of legs are arranged at the bottom of the powder collecting box, and the legs support the powder collecting box.
[0017] Through the above technical solution, the beneficial effects of the utility model are:
[0018] The utility model has a reasonable structure and good use effect, can effectively recover and collect medicine powder floating in the air, and can make the medicine powder not easy to adhere to the filter screen, avoid the phenomenon that the medicine powder blocks the filter screen, does not need to clean the filter screen frequently, and improves the efficiency of recovering the medicine powder.
[0019] The utility model uses a fan to draw external air into a powder collecting box through a powder extraction hood and a powder extraction tube, uses a second filter to filter impurities contained in the air, and allows drug powder to pass through the second filter to reach the lower part of the powder collecting box, wherein the first filter is used to filter the drug powder to prevent the drug powder from being re-discharged to the outside of the powder collecting box, and the powder collecting hopper plays a role in collecting the drug powder.
[0020] The utility model drives the cam to rotate by the rotation of two transmission shafts, and achieves the purpose of deforming and shaking the second filter screen through the collision of the cam and the second filter screen, so as to achieve the effect that the medicine powder is not easy to adhere to the second filter screen, and improve the efficiency of recovering the medicine powder.
[0021] The utility model achieves the effect of fixing the filter frame and further achieving the effect of fixing the second filter screen by cooperating the spring on the fixed seat with the upper top plate so that the upper top plate pushes the filter frame to the mounting plate located at the upper part of the fixed plate; wherein the partition plate is used to block the medicine powder to prevent the medicine powder from accumulating between the two mounting plates of the fixed seat. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the structure of a pharmaceutical powder recovery device of the utility model. Figure 1 ;
[0023] Figure 2 This is a schematic diagram of the structure of a pharmaceutical powder recovery device of the utility model. Figure 2 ;
[0024] Figure 3 It is a structural schematic diagram of the fixing seat of the utility model;
[0025] Figure 4 It is a structural schematic diagram of the upper top plate of the utility model;
[0026] Figure 5 It is a structural schematic diagram of the filter frame and the partition plate of the utility model;
[0027] Figure 6 yes Figure 1 Schematic diagram of the enlarged structure at point A in the middle.
[0028] The numbers in the accompanying drawings are: 1 is a powder collecting box, 2 is a powder inlet hole, 3 is a powder extraction pipe, 4 is a powder extraction cover, 5 is an exhaust hole, 6 is a fan, 7 is a first filter screen, 8 is a fixed seat, 801 is a fixed plate, 802 is a mounting plate, 9 is a spring, 10 is an upper top plate, 11 is a second filter screen, 12 is a filter screen frame, 13 is a partition plate, 14 is a transmission shaft, 15 is a cam, 16 is a support plate, 17 is a reduction motor, 18 is a pulley, 19 is a belt, 20 is an inspection door, 21 is a powder collecting hopper, 22 is a slider, 23 is a guide rail, and 24 is a support leg. DETAILED DESCRIPTION
[0029] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:
[0030] like Figure 1 to Figure 6 As shown, a pharmaceutical powder recovery device comprises a powder collecting box 1, which is a hollow structure inside. A filtering mechanism is arranged inside the powder collecting box 1, and the filtering mechanism is located at the upper part of the powder collecting box 1 to filter impurities. A cam mechanism is arranged above the filtering mechanism, and a powder collecting hopper 21 is arranged below the filtering mechanism; a powder inlet hole 2 is provided on the top of the powder collecting box 1, and the powder inlet hole 2 is located at the center position of the top of the powder collecting box 1; an exhaust hole 5 is provided on one side of the powder collecting box 1, and the exhaust hole 5 facilitates the fan 6 to extract the air inside the powder collecting box 1 so that the drug powder in the air moves downward inside the powder collecting box 1; a fan 6 and a first filter screen 7 are arranged at the exhaust hole 5, and the first filter screen 7 has the function of filtering the drug powder to prevent the drug powder from being discharged to the outside of the powder collecting box 1.
[0031] The filtering mechanism includes a fixed seat 8, a spring 9, an upper top plate 10, and a second filter screen 11. The fixed seats 8 are arranged on the inner walls of both sides and the rear side of the powder collection box 1, and the fixed seats 8 are not installed on the outer inner wall of the powder collection box 1. The three fixed seats 8 are bolted to the inner wall of the powder collection box 1. The three fixed seats 8 are located on the same horizontal line and are in a "U" - shaped structure. Each fixed seat 8 is provided with the spring 9, and the number of springs 9 on each fixed seat 8 is three. A filter screen frame 12 is arranged around the second filter screen 11, and the filter screen frame 12 is fixedly connected to the second filter screen 11. The filter screen frame 12 is located within the fixed seat 8. The upper top plate 10 is in a "凵" - shaped structure. The bottom of the upper top plate 10 is connected to the upper end of the spring 9, and the top abuts against the bottom of the filter screen frame 12. The filter screen frame 12 is located between the upper top plate 10 and the mounting plate 802. Under the action of the spring 9 on the fixed seat 8, the upper top plate 10 presses the filter screen frame 12 against the bottom of the mounting plate 802, so as to fix the second filter screen 11, and it also has the effect of facilitating the disassembly and installation of the second filter screen 11.
[0032] The cam mechanism includes two cam assemblies. Each cam assembly includes a transmission shaft 14 rotatably arranged in the powder collection box 1. A plurality of cams 15 are arranged at intervals on the transmission shaft 14. In this embodiment, five cams 15 are installed on each transmission shaft 14.
[0033] Guide rails 23 are arranged on the top of the bottom plate of the powder collection box 1, and the number of guide rails 23 is two. Sliders 22 corresponding to the guide rails 23 are arranged at the bottom of the powder collection hopper 21. Each guide rail 23 corresponds to three sliders 22. The sliders 22 are bolted to the bottom of the powder collection hopper 21. The sliders 22 are slidably arranged on the guide rails 23. Through the cooperation of the guide rails 23 and the sliders 22, it is convenient to draw out or push the powder collection hopper 21 from inside the powder collection box 1. A square hole is opened at the front side of the powder collection box 1 corresponding to the position of the powder collection hopper 21, and it is convenient to push and pull the powder collection hopper 21 through the square hole. A handle is fixedly arranged on the powder collection hopper 21. In this embodiment, the handle is fixedly installed on the front side of the powder collection hopper 21 and is located outside the powder collection box 1.
[0034] A powder extraction pipe 3 is arranged at the top of the powder collection box 1 corresponding to the position of the powder inlet hole 2. The powder extraction pipe 3 is in an "L" - shaped structure. A powder extraction cover 4 is fixedly arranged at the end of the powder extraction pipe 3. When the fan 6 is started, the external air enters the powder collection box 1 through the powder extraction cover 4, the powder extraction pipe 3, and the powder inlet hole 2 in sequence, and the filtering mechanism filters the impurities contained in the air.
[0035] The height of the exhaust hole 5 is lower than that of the second filter 11, and its purpose is to allow the external air drawn in to pass through the second filter 11. The fan 6 is fixedly arranged on the outer wall of the powder collecting box 1, and the first filter 7 is fixedly arranged on the inner wall of the powder collecting box 1. The first filter 7 filters the drug powder in the air to prevent the drug powder from being discharged from the powder collecting box 1.
[0036] The fixed seat 8 includes a fixed plate 801 fixedly arranged on the inner wall of the powder collecting box 1, the fixed plate 801 is bolted to the inner wall of the powder collecting box 1, two mounting plates 802 are arranged at intervals on the inner side of the fixed plate 801, the spring 9 is fixedly arranged between the two mounting plates 802, the lower end of the spring 9 is fixedly connected to the mounting plate 802 located below, and the upper end is fixedly connected to the upper top plate 10.
[0037] A partition plate 13 is fixedly disposed at the bottom of the filter frame 12 . The partition plate 13 is in a “U”-shaped structure and is located on the inner side of the fixing seat 8 .
[0038] An inspection hole is provided at the front side of the powder collecting box 1 at the position of the filtering mechanism, and the inspection hole is in a square structure. An inspection door 20 is provided at the outer wall of the powder collecting box 1 corresponding to the inspection hole. The inspection door 20 is bolted to the outer wall of the powder collecting box 1. The inspection hole facilitates the installation and disassembly of the second filter 11, and also facilitates the cleaning of impurities filtered by the second filter 11.
[0039] The cam mechanism also includes a reduction motor 17 and a belt 19. A support plate 16 is fixedly arranged on the rear side of the powder collecting box 1. The support plate 16 is in an "L"-shaped structure, and the reduction motor 17 is arranged on the support plate 16. One end of the transmission shaft 14 of one of the cam assemblies extends to the outside of the powder collecting box 1 and is connected to the output shaft of the reduction motor 17. Both ends of the transmission shaft 14 are rotatably connected to the powder collecting box 1 by bolts. When the reduction motor 17 is turned on, the output end of the reduction motor 17 drives the transmission shaft 14 to rotate, and the transmission shaft 14 drives the cam 15 installed thereon to rotate.
[0040] The other ends of the transmission shafts 14 of the two cam assemblies extend to the outside of the powder collection box 1 and are connected to pulleys 18. The belt 19 is sleeved on the two pulleys 18. Through the cooperation between the belt 19 and the two pulleys 18, the two transmission shafts 14 rotate synchronously; the cams 15 on the two transmission shafts 14 are arranged opposite to each other, and the cams 15 on the two transmission shafts 14 collide with the second filter 11 alternately.
[0041] The bottom of the powder collecting box 1 is provided with a plurality of legs 24 . The number of the legs 24 is four, and each leg 24 is fixedly installed at a corner of the powder collecting box 1 .
[0042] The working principle of the utility model is as follows: turn on the reduction motor 17 and the fan 6, the fan 6 draws the external air into the powder collecting box 1 through the powder extraction cover 4, the powder extraction tube 3 and the powder inlet hole 2, and under the action of the fan 5, the external air passes through the second filter 11 to filter the impurities contained therein, and the drug powder in the air passes through the second filter 11 to reach the lower part of the powder collecting box 1, and the air is discharged through the exhaust hole 5. At the same time, the first filter 7 filters the drug powder in the air and leaves the drug powder inside the powder collecting box 1, and the powder collecting hopper 21 recovers and collects the drug powder.
[0043] During this process, the reduction motor 17 drives one of the transmission shafts 14 to rotate. Through the cooperation of the belt 19 and the two pulleys 18, the two transmission shafts 14 rotate synchronously. The transmission shaft 14 drives the cam 15 to rotate. The cams 15 on the two transmission shafts 14 collide with the second filter screen 11 alternately, and the second filter screen 11 deforms and shakes, thereby preventing drug powder from adhering to the second filter screen 11.
[0044] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.
Claims
1. A pharmaceutical powder recovery device, comprising a powder collection box (1), characterized in that: A filtering mechanism is arranged inside the powder collection box (1). Above the filtering mechanism, a cam mechanism is arranged, and below it, a powder collection hopper (21) is arranged; a powder inlet hole (2) is opened at the top of the powder collection box (1), and an exhaust hole (5) is opened on one side of the powder collection box (1). A blower (6) and a first filter screen (7) are arranged at the exhaust hole (5). The filtering mechanism includes a fixed seat (8), a spring (9), an upper top plate (10) and a second filter screen (11). The fixed seats (8) are arranged on the inner walls of both sides and the rear side of the powder collection box (1). The spring (9) is arranged on each fixed seat (8). A filter screen frame (12) is arranged around the second filter screen (11). The filter screen frame (12) is located inside the fixed seat (8). The upper top plate (10) is in a "U" - shaped structure. The bottom of the upper top plate (10) is connected to the upper end of the spring (9), and the top abuts against the bottom of the filter screen frame (12). The cam mechanism includes two cam assemblies. Each cam assembly includes a transmission shaft (14) rotatably arranged inside the powder collection box (1). A plurality of cams (15) are arranged at intervals on the transmission shaft (14).
2. A pharmaceutical powder recovery device according to claim 1, characterized in that: Guide rails (23) are arranged on the top of the bottom plate of the powder collection box (1). A slider (22) corresponding to the guide rails (23) is arranged at the bottom of the powder collection hopper (21). The slider (22) is slidably arranged on the guide rails (23); a square hole is opened at the front side of the powder collection box (1) corresponding to the position of the powder collection hopper (21). A handle is fixedly arranged on the powder collection hopper (21).
3. A pharmaceutical powder recovery device according to claim 1, characterized in that: A powder extraction pipe (3) is arranged at the top of the powder collection box (1) corresponding to the powder inlet hole (2). A powder extraction cover (4) is fixedly arranged at the end of the powder extraction pipe (3).
4. A pharmaceutical powder recovery device according to claim 1, characterized in that: The height of the exhaust hole (5) is lower than the height of the second filter screen (11). The blower (6) is fixedly arranged on the outer side wall of the powder collection box (1), and the first filter screen (7) is fixedly arranged on the inner side wall of the powder collection box (1).
5. A pharmaceutical powder recovery device according to claim 1, characterized in that: The fixed seat (8) includes a fixing plate (801) fixedly arranged on the inner side wall of the powder collection box (1). Two mounting plates (802) are arranged at intervals on the inner side of the fixing plate (801). The spring (9) is fixedly arranged between the two mounting plates (802).
6. A pharmaceutical powder recovery device according to claim 1, characterized in that: A partition plate (13) is fixedly arranged at the bottom of the filter screen frame (12). The partition plate (13) is located inside the fixed seat (8).
7. A pharmaceutical powder recovery device according to claim 1, characterized in that: An inspection hole is opened at the front side of the powder collection box (1) corresponding to the position of the filtering mechanism. An inspection door (20) is arranged on the outer side wall of the powder collection box (1) corresponding to the inspection hole.
8. A pharmaceutical powder recovery device according to claim 1, characterized in that: The cam mechanism further includes a reduction motor (17) and a belt (19). A support plate (16) is fixedly arranged at the rear side of the powder collection box (1). The reduction motor (17) is arranged on the support plate (16); one end of the transmission shaft (14) of one of the cam assemblies extends outside the powder collection box (1) and is connected to the output shaft of the reduction motor (17).
9. A pharmaceutical powder recovery device according to claim 8, characterized in that: The other ends of the transmission shafts (14) of the two cam assemblies extend to the outside of the powder collecting box (1) and are connected to pulleys (18), and the belts (19) are sleeved on the two pulleys (18); the cams (15) on the two transmission shafts (14) are arranged opposite to each other.
10. A pharmaceutical powder recovery device according to claim 1, characterized in that: A plurality of supporting legs (24) are arranged at the bottom of the powder collecting box (1).