Drug pulverizer for drug impurity treatment

Abstract

The utility model relates to the technical field of pharmaceutical equipment, and discloses a medicine pulverizer for treating medicine impurities, which comprises a base, a pulverizing frame is fixedly connected to the middle of the inner wall of the base, pulverizing rollers are rotatably connected to the front side and the rear side of the inner wall of the pulverizing frame, and the two pulverizing rollers are in meshing transmission. A direct current motor is fixedly connected to the front side of the left end of the base, the output end of the direct current motor penetrates through the base and the crushing frame and is fixedly connected with the corresponding crushing rollers, a rotating roller is rotationally connected to the inner side of the base, and screens are fixedly connected to the periphery of the outer wall of the rotating roller. The left side of the inner wall of the rotating roller is fixedly connected with a gear ring. According to the medicine smashing device, through cooperation of the direct current motor, the smashing roller and the screen, medicine can be smashed multiple times, and through cooperation of the belt, the brush and the lifting roller, the interior of the device can be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of pharmaceutical equipment, in particular to a medicine pulverizer used for processing medicine impurities. Background Art

[0002] Drug impurities refer to additional substances that may exist in the drug manufacturing process and should not be present in the drug. In order to increase the surface area of ​​the impurities and facilitate chemical reactions, dissolution or other treatments in subsequent steps, a drug pulverizer for drug impurity treatment is needed.

[0003] A pharmaceutical pulverizer is a device commonly used to process drugs or other substances into powdered substances. These devices can adopt different working principles and designs to meet the requirements of different particle sizes and shapes. The working principle of a pharmaceutical pulverizer usually involves one or more rotating parts, such as pulverizing rollers or blades, which pulverize the raw material into the desired powder state through rotation and friction. These devices are widely used in pharmaceutical manufacturing, chemical industry, food processing and other industries.

[0004] The drug grinders currently on the market usually collect the crushed drugs through a sieve after crushing. However, in actual use, the insufficiently crushed drugs intercepted by the sieve need to be crushed again manually, and the accumulation of insufficiently crushed impurities may also affect the operation of the device, thereby reducing the reliability of the device. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a medicine pulverizer for treating medicine impurities, aiming to improve the problem in the prior art that insufficiently pulverized medicines remain after pulverization.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a drug pulverizer for treating drug impurities, comprising a base, a pulverizing frame is fixedly connected to the middle part of the inner wall of the base, and the front and rear sides of the inner wall of the pulverizing frame are rotatably connected to pulverizing rollers, and the two pulverizing rollers are meshed for transmission, a DC motor is fixedly connected to the front side of the left end of the base, the output end of the DC motor passes through the base and the pulverizing frame and is fixedly connected to the corresponding pulverizing roller, a rotating roller is rotatably connected to the inner side of the base, a screen is fixedly connected to the outer wall of the rotating roller all around, a gear ring is fixedly connected to the left side of the inner wall of the rotating roller, a DC motor is fixedly connected to the middle part of the left side of the base, the output end of the DC motor passes through the base and is fixedly connected to a gear, the gear is meshed with the gear ring, a material receiving groove is provided at the bottom of the inner wall of the base, a discharge port is connected to the bottom of the left side of the base, and a cleaning mechanism is provided on the inner side of the base.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism comprises a groove, wherein the groove is engaged with the right side of the inner wall of the base, the front and rear sides of the inner wall of the groove are slidably connected with a slide groove, the outer side of the slide groove is rotatably connected with a rotating wheel, a reserved gap is provided on the right side of the base, an electric telescopic rod is fixedly connected to the middle part of the right side of the base, the telescopic end of the electric telescopic rod is fixedly connected to the first motor, the output end of the first motor passes through the reserved gap and is fixedly connected to a lifting wheel, a belt is provided on the outer side of the lifting wheel, the lifting wheel is transmission-connected to the rotating wheel through the belt, and a brush is fixedly connected to the outer side of the rotating wheel.

[0009] As a further description of the above technical solution:

[0010] A feed trough is fixedly connected to the right side of the base, a conduit is connected to the bottom of the feed trough, the left side of the conduit passes through the base, a second motor is fixedly connected to the right side of the bottom of the feed trough, and the output end of the second motor passes through the conduit and is fixedly connected to a ball valve.

[0011] As a further description of the above technical solution:

[0012] A controller is fixedly connected to the rear side of the left end of the base, and the controller is electrically connected to the DC motor, the servo motor, the second motor, the electric telescopic rod and the first motor respectively.

[0013] As a further description of the above technical solution:

[0014] The outer side of the controller is fixedly connected with a shell, and the outer side of the shell is rotatably connected with a shield.

[0015] As a further description of the above technical solution:

[0016] A movable door is arranged on the top of the feed chute, a hinge is fixedly connected to the outer side of the movable door, and the movable door is rotatably connected to the base through the hinge.

[0017] As a further description of the above technical solution:

[0018] The front and rear sides of the bottom of the feed trough are both fixedly connected with brackets, and the outer side of the bracket is fixedly connected to the base.

[0019] As a further description of the above technical solution:

[0020] A dust cover is fixedly connected to the inner side of the base, and positioning blocks are fixedly connected to the front and rear sides of the outer wall of the base, and positioning holes are provided on the outer sides of the two positioning blocks.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by starting the DC motor and driving the two crushing rollers to rotate at the same time through meshing transmission, the medicine is crushed. The crushed impurities will fall into the receiving trough after being screened by the screen and discharged through the discharge port, while the impurities that are not fully screened will accumulate on the top of the screen. After that, the servo motor is started to drive the gear to rotate, and the gear ring and the rotating roller can be driven to rotate through the meshing transmission, so that the impurities on the top of the screen fall back into the crushing frame for crushing. While the material is being crushed, the impurities that are not fully crushed can be crushed multiple times to prevent the accumulation of impurities that are not fully crushed from affecting the operation of the device, thereby improving the reliability of the device.

[0023] 2. In the utility model, the lifting wheel is driven to rotate by starting the first motor, and the rotating wheel and the brush thereon are driven to rotate by the belt. At this time, starting the electric telescopic rod can drive the lifting wheel to move up and down, and the rotating wheel is driven to move along the slide groove through the restriction of the belt, so that the brush contacts the screen to clean the screen, which can facilitate the cleaning of the inside of the device and prevent the accumulation of drug impurities and the influence on the subsequent crushing, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a drug pulverizer for treating drug impurities proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of a feeding box of a drug pulverizer for treating drug impurities proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of a rotating roller of a drug pulverizer for treating drug impurities proposed by the utility model;

[0027] Figure 4 A schematic diagram of a cleaning mechanism of a drug pulverizer for treating drug impurities proposed by the utility model;

[0028] Figure 5 The utility model discloses a schematic diagram of the base structure of a medicine pulverizer for treating medicine impurities.

[0029] Legend:

[0030] 1. Base; 2. Cleaning mechanism; 201. Groove; 202. Slide; 203. Reserved gap; 204. Rotating wheel; 205. Lifting wheel; 206. Belt; 207. Electric telescopic rod; 208. First motor; 209. Brush; 3. Crushing frame; 4. Crushing roller; 5. DC motor; 6. Rotating roller; 7. Screen; 8. Gear ring; 9. Servo motor; 10. Gear; 11. Receiving trough; 12. Feeding trough; 13. Second motor; 14. Conduit; 15. Ball valve; 16. Bracket; 17. Hinge; 18. Movable door; 19. Controller; 20. Housing; 21. Protective cover; 22. Discharge port; 23. Dust cover; 24. Positioning block; 25. Positioning hole. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1 , Figure 3 and Figure 4 , the utility model provides an embodiment: a drug pulverizer for treating drug impurities, comprising a base 1, a pulverizing frame 3 is fixedly connected to the middle of the inner wall of the base 1, and pulverizing rollers 4 are rotatably connected to the front and rear sides of the inner wall of the pulverizing frame 3, and the two pulverizing rollers 4 are meshed and driven, a DC motor 5 is fixedly connected to the front side of the left end of the base 1, and the output end of the DC motor 5 passes through the base 1 and the pulverizing frame 3 and is fixedly connected to the corresponding pulverizing roller 4, a rotating roller 6 is rotatably connected to the inner side of the base 1, and a screen 7 is fixedly connected to the outer wall of the rotating roller 6, and a gear ring 8 is fixedly connected to the left side of the inner wall of the rotating roller 6, a DC motor 5 is fixedly connected to the middle of the left side of the base 1, and the output end of the DC motor 5 passes through the base 1 and is fixedly connected to a gear 10, and the gear 10 is meshed and connected to the gear ring 8, a material receiving groove 11 is provided at the bottom of the inner wall of the base 1, and a discharge port 22 is connected to the bottom of the left side of the base 1, and a cleaning mechanism 2 is arranged on the inner side of the base 1;

[0033] Specifically, by starting the DC motor 5 and driving the two crushing rollers 4 to rotate at the same time through meshing transmission, the medicine is crushed. The crushed impurities will be screened by the screen 7 and fall into the receiving trough 11, and discharged through the discharge port 22, while the impurities that are not fully screened will accumulate on the top of the screen 7. Then, the servo motor 9 is started to drive the gear 10 to rotate, and the gear ring 8 and the rotating roller 6 can be driven to rotate through meshing transmission, so that the impurities on the top of the screen 7 fall back into the crushing frame 3 and are crushed. While the material is being crushed, the impurities that are not fully crushed can be crushed multiple times to prevent the accumulation of impurities that are not fully crushed from affecting the operation of the device.

[0034] Reference Figure 4 and Figure 5 The cleaning mechanism 2 includes a groove 201, which is engaged with the right side of the inner wall of the base 1. The front and rear sides of the inner wall of the groove 201 are slidably connected with a slide groove 202, and the outer side of the slide groove 202 is rotatably connected with a rotating wheel 204. A reserved gap 203 is provided on the right side of the base 1, and an electric telescopic rod 207 is fixedly connected to the middle part of the right side of the base 1. The telescopic end of the electric telescopic rod 207 is fixedly connected to a first motor 208. The output end of the first motor 208 passes through the reserved gap 203 and is fixedly connected to a lifting wheel 205. A belt 206 is provided on the outer side of the lifting wheel 205. The lifting wheel 205 is transmission-connected to the rotating wheel 204 through the belt 206, and a brush 209 is fixedly connected to the outer side of the rotating wheel 204;

[0035] Specifically, by starting the first motor 208 to drive the lifting wheel 205 to rotate, the belt 206 can be used to drive the rotating wheel 204 and the brush 209 thereon to rotate. At this time, starting the electric telescopic rod 207 can drive the first motor 208 and the lifting wheel 205 thereon to move up and down along the reserved gap 203. At this time, through the restriction of the belt 206, the rotating wheel 204 can be driven to move along the slide groove 201, so that the brush 209 contacts the screen 7 to clean the screen 7, which can facilitate the cleaning of the inside of the device and prevent the accumulation of drug impurities and affect the subsequent crushing.

[0036] Reference Figure 2 , Figure 4 and Figure 5 The right side of the base 1 is fixedly connected with a feed trough 12, the bottom of the feed trough 12 is connected with a conduit 14, the left side of the conduit 14 passes through the base 1, and the right side of the bottom of the feed trough 12 is fixedly connected with a second motor 13, the output end of the second motor 13 passes through the conduit 14 and is fixedly connected with a ball valve 15; the left rear end of the base 1 is fixedly connected with a controller 19, and the controller 19 is electrically connected with the DC motor 5, the servo motor 9, the second motor 13, the electric telescopic rod 207 and the first motor 208 respectively; the outer side of the controller 19 is fixedly connected with a housing 20, and the outer side of the housing 20 is rotatably connected with a shield 21;

[0037] Specifically, a threaded part is installed in the feed trough 12, and then material can be added to the crushing frame 3 through the conduit 14. By starting the second motor 13, the ball valve 15 can be driven to rotate in the conduit 14. The ball valve 15 can limit and adjust the amount of material added to the device to prevent the device from being blocked by excessive material addition. The controller 19 can control the starting and operating power between the DC motor 5, the servo motor 9, the second motor 13, the electric telescopic rod 207 and the first motor 208 respectively. The housing 20 can enhance the protection capability of the controller 19. By opening and closing the protective cover 21, the device can be prevented from being accidentally touched when the controller 19 is not in use.

[0038] Reference Figure 1 , Figure 2 and Figure 5 A movable door 18 is provided on the top of the feed chute 12, and a hinge 17 is fixedly connected to the outer side of the movable door 18, and the movable door 18 is rotatably connected to the base 1 through the hinge 17; the front and rear sides of the bottom of the feed chute 12 are fixedly connected to the bracket 16, and the outer side of the bracket 16 is fixedly connected to the base 1; a dust cover 23 is fixedly connected to the inner side of the base 1, and the front and rear sides of the outer wall of the base 1 are fixedly connected to the positioning blocks 24, and the outer sides of the two positioning blocks 24 are provided with positioning holes 25;

[0039] Specifically, the movable door 18 can be opened and closed by the hinge 17 to facilitate the addition of materials into the device and prevent dust from entering the device when the device is not in use. The bracket 16 can improve the stability of the fixation between the base 1 and the feed trough 12. The dust cover 23 can protect the device and prevent dust from being generated during crushing. The device can be easily installed and fixed by installing a threaded part in the positioning hole 25 on the positioning block 25.

[0040] Working principle: before using the device, first start the DC motor 5 and drive the two crushing rollers 4 to rotate at the same time through meshing transmission to crush the medicine. The crushed impurities will be screened by the screen 7 and fall into the receiving trough 11 and discharged through the discharge port 22. The impurities that are not fully screened will accumulate on the top of the screen 7. Start the servo motor 9 to drive the gear 10 to rotate, and drive the gear ring 8 and the rotating roller 6 to rotate through meshing transmission, so that the impurities on the top of the screen 7 fall back into the crushing frame 3 and crush. In this way, the material can be crushed while the impurities that are not fully crushed can be crushed multiple times to prevent the accumulation of impurities that are not fully crushed. The operation of the device is affected, thereby improving the reliability of the device, and by starting the first motor 208, the lifting wheel 205 is driven to rotate, and the rotating wheel 204 and the brush 209 thereon are driven to rotate through the belt 206. Starting the electric telescopic rod 207 can drive the first motor 208 and the lifting wheel 205 thereon to move up and down along the reserved gap 203, and through the restriction of the belt 206, the rotating wheel 204 is driven to move along the slide groove 201, and the brush 209 contacts the screen 7 to clean the screen 7, which is convenient for cleaning the inside of the device, preventing the accumulation of drug impurities and affecting the subsequent crushing, thereby improving the practicability of the device.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drug pulverizer for treating drug impurities, comprising a base (1), characterized in that: A crushing frame (3) is fixedly connected to the middle of the inner wall of the base (1), and crushing rollers (4) are rotatably connected to the front and rear sides of the inner wall of the crushing frame (3), and the two crushing rollers (4) are meshed and driven. A DC motor (5) is fixedly connected to the front side of the left end of the base (1), and the output end of the DC motor (5) passes through the base (1) and the crushing frame (3) and is fixedly connected to the corresponding crushing roller (4). A rotating roller (6) is rotatably connected to the inner side of the base (1), and the outer wall of the rotating roller (6) is fixedly connected to the outer wall of the rotating roller (6). A screen (7) is connected, a gear ring (8) is fixedly connected to the left side of the inner wall of the rotating roller (6), a DC motor (5) is fixedly connected to the middle of the left side of the base (1), the output end of the DC motor (5) passes through the base (1) and is fixedly connected to a gear (10), the gear (10) is meshingly connected to the gear ring (8), a material receiving groove (11) is provided at the bottom of the inner wall of the base (1), a material discharge port (22) is connected to the left bottom of the base (1), and a cleaning mechanism (2) is provided on the inner side of the base (1).

2. A drug pulverizer for treating drug impurities according to claim 1, characterized in that: The cleaning mechanism (2) comprises a groove (201), wherein the groove (201) is engaged with the right side of the inner wall of the base (1), the front and rear sides of the inner wall of the groove (201) are both slidably connected with a slide groove (202), the outer side of the slide groove (202) is rotatably connected with a rotating wheel (204), a reserved slit (203) is provided on the right side of the base (1), an electric telescopic rod (207) is fixedly connected to the middle part of the right side of the base (1), the telescopic end of the electric telescopic rod (207) is fixedly connected to a first motor (208), the output end of the first motor (208) passes through the reserved slit (203) and is fixedly connected to a lifting wheel (205), a belt (206) is provided on the outer side of the lifting wheel (205), the lifting wheel (205) is transmission-connected to the rotating wheel (204) through the belt (206), and a brush (209) is fixedly connected to the outer side of the rotating wheel (204).

3. The drug pulverizer for treating drug impurities according to claim 1, characterized in that: A feed trough (12) is fixedly connected to the right side of the base (1), a conduit (14) is connected to the bottom of the feed trough (12), the left side of the conduit (14) passes through the base (1), a second motor (13) is fixedly connected to the right side of the bottom of the feed trough (12), and an output end of the second motor (13) passes through the conduit (14) and is fixedly connected to a ball valve (15).

4. The drug pulverizer for treating drug impurities according to claim 1, characterized in that: A controller (19) is fixedly connected to the rear side of the left end of the base (1), and the controller (19) is electrically connected to the DC motor (5), the servo motor (9), the second motor (13), the electric telescopic rod (207) and the first motor (208) respectively.

5. A drug pulverizer for treating drug impurities according to claim 4, characterized in that: The outer side of the controller (19) is fixedly connected to a housing (20), and the outer side of the housing (20) is rotatably connected to a protective cover (21).

6. The drug pulverizer for treating drug impurities according to claim 3, characterized in that: A movable door (18) is provided at the top of the feed trough (12), a hinge (17) is fixedly connected to the outer side of the movable door (18), and the movable door (18) is rotatably connected to the base (1) via the hinge (17).

7. A drug pulverizer for treating drug impurities according to claim 6, characterized in that: The front and rear sides of the bottom of the feed trough (12) are fixedly connected to brackets (16), and the outer side of the bracket (16) is fixedly connected to the base (1).

8. The drug pulverizer for treating drug impurities according to claim 1, characterized in that: A dust cover (23) is fixedly connected to the inner side of the base (1), and positioning blocks (24) are fixedly connected to the front and rear sides of the outer wall of the base (1), and positioning holes (25) are provided on the outer sides of the two positioning blocks (24).

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