Grinding device for medicine safety detection

Abstract

The utility model discloses a grinding device for medicine safety detection, which relates to the field of medicine grinding and comprises a base, a placing mechanism is mounted on the upper surface of the base, and a grinding mechanism is arranged on the upper surface of the placing mechanism. Firstly, medicine powder on the inner surface of the grinding bowl can be ground through rotation of the grinding head, meanwhile, in the lifting process of the grinding bowl, a magnetic block at the bottom can be promoted to conduct lifting motion on an electromagnetic device above and a moving box, and when the moving box descends, the bottom of the inner wall of the grinding head can be impacted; medicine powder attached to the bottom of the outer surface of the grinding head is vibrated down, and it is avoided that the powder is attached to the bottom of the grinding head, and follow-up medicine detection quality is affected. The rotating speed of the rotating shaft is detected through the speed measuring sensor, the electric power intensity provided by the power source for the electromagnetic device is further controlled, and when the grinding head rotates fast, the impact force of the moving box on the inner wall of the grinding head can be controlled to be smaller.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical grinding, specifically to a grinding device for pharmaceutical safety testing. Background Technology

[0002] In the production or research and development of pharmaceuticals, quality testing is a crucial part, as it relates to the safety of users. Pharmaceutical testing must be meticulous and precise. During the testing process, testing personnel need to perform multiple steps, among which grinding is a particularly important one. The grinding equipment used determines the quality of the grinding process.

[0003] During the drug grinding process, the grinding head easily adheres to the ground powder, which reduces the grinding efficiency and affects the quality of subsequent drug testing. Currently, most grinding devices do not have the function of cleaning the grinding head, or the cleaning effect is poor. Therefore, this invention designs a grinding device for drug safety testing to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, the technical solution adopted by this utility model is as follows: a grinding device for drug safety testing, comprising a base, a placement mechanism mounted on the upper surface of the base, and a grinding mechanism disposed on the upper surface of the placement mechanism; the base provides support for the overall device, the placement mechanism can hold tablets for easy grinding of the tablets, and the grinding mechanism facilitates subsequent testing.

[0005] The placement mechanism includes a slide rail, on the outer surface of which a first sliding device is slidably connected. A fixing frame is mounted on both sides of the first sliding device. A stepper motor is mounted on the inner surface of the fixing frame. A grinding bowl is mounted on the output shaft of the stepper motor, and a magnetic block is mounted on the bottom of the grinding bowl. The first sliding device can slide up and down along the outer surface of the slide rail, and the stepper motor can drive the grinding bowl to rotate.

[0006] Furthermore, the bottom of the slide rail is mounted at the edge of the upper surface of the base.

[0007] Furthermore, the grinding mechanism includes a second sliding device. A support plate is mounted on the outer surface of the second sliding device, and a servo motor is mounted on the inner surface of the support plate. A rotating shaft is fixedly connected to the output end of the servo motor. A speed measuring frame is mounted on the outer surface of the rotating shaft, and a speed sensor is mounted on the inner surface of the speed measuring frame. A grinding head is disposed at the bottom of the speed sensor, and a moving part is disposed on the inner surface of the grinding head. A striking part is slidably connected to the outer surface of the moving part. The second sliding device can slide up and down along the outer surface of the slide rail. The speed sensor can detect the rotational speed of the rotating shaft. The interior of the grinding head is hollow, allowing for the installation of some parts. The grinding head cooperates with the grinding bowl to grind the tablets inside the grinding bowl.

[0008] Furthermore, the first sliding device is disposed above the second sliding device, the inner surface of the second sliding device is slidably connected to the outer surface of the slide rail, and the speed sensor is symmetrically disposed on both sides of the rotating shaft.

[0009] Furthermore, the movable component includes a movable box, with a sliding plate slidably connected to its inner wall. An electromagnetic device is mounted on the inner surface of the movable box, and a wire is mounted on the upper surface of the electromagnetic device. A power supply is connected to the input end of the wire, and a pressing rod is positioned above the power supply. Two movable boxes are provided, with one movable box fixedly mounted to the other via the sliding plate. The electromagnetic device, when energized, exhibits strong magnetism and can repel the magnetic block at the bottom of the grinding bowl. The power supply provides power to the electromagnetic device. When the power supply is low, the two movable boxes can be separated and a new power supply can be used.

[0010] Furthermore, the movable box is placed inside the grinding head and the inner surface of the movable box is slidably connected to the outer surface of the rotating shaft, and the power supply is installed inside the movable box.

[0011] Furthermore, the striking component includes a fixed box, on the inner surface of which a stamping block is slidably connected. A connecting rope is installed at the center of the upper surface of the stamping block. A sliding rod is fixedly connected to the end of the connecting rope away from the stamping block. A compression spring is fixedly connected to the side of the sliding rod near the connecting rope. A striking ball is installed on the side of the sliding rod away from the compression spring. The compression spring is initially compressed because the stamping block, under the action of gravity, pulls the sliding rod through the connecting rope, thereby applying pressure to the compression spring. The weight of the stamping block is greater than the elastic force of the compression spring.

[0012] Furthermore, the fixed box is installed on the outer surface of the rotating shaft, the center of the bottom of the stamping block is positioned directly above the extrusion bar, and the end of the extrusion spring away from the sliding bar is installed on the inner surface of the fixed box.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. This utility model firstly grinds the medicine powder on the inner surface of the grinding bowl by rotating the grinding head. At the same time, during the lifting and lowering process of the grinding bowl, it can promote the lifting and lowering movement of the magnetic block at the bottom and the electromagnetic device and the moving box above. When the moving box descends, it can impact the bottom of the inner wall of the grinding head, vibrating the medicine powder attached to the bottom of the outer surface of the grinding head and preventing the powder from adhering to the bottom of the grinding head and affecting the quality of subsequent drug testing.

[0015] 2. In the process of raising and lowering the grinding bowl, this utility model uses a speed sensor to detect the rotational speed of the shaft, thereby further controlling the power intensity supplied to the electromagnetic device. When the grinding head rotates faster, the impact force of the moving box on the inner wall of the grinding head is reduced, and when the grinding head rotates slower, the impact force of the moving box on the inner wall of the grinding head is increased. In this way, the vibration intensity of the moving box on the inner wall of the grinding head is adjusted according to the thickness of the powder at the bottom of the outer surface of the grinding head. That is, the vibration intensity is dynamically adjusted according to the detected powder thickness to ensure that the powder can be effectively stripped at different thicknesses, avoiding energy waste caused by insufficient force leading to residue or excessive vibration.

[0016] 3. This utility model uses a moving box to move the extrusion rod, which can also move the stamping block upwards and promote the tapping ball to slide outwards along the inner surface of the fixed box, tapping the high part of the inner surface of the grinding head. Since the bottom of the grinding head is in direct contact with the medicine, it is subject to greater friction, resulting in more powder adhering. The vibration of the moving box can effectively reduce the degree of adhesion at the bottom. However, the high part of the side of the grinding head is subject to stronger centrifugal force, and some powder is easily thrown off the surface, resulting in a reduction in the amount of adhering powder. However, some small powder may still remain. The vibration generated by the impact at the bottom of the hollow grinding head is difficult to transmit to the high part of the side. With the auxiliary impact of the tapping ball, the powder adhering to the side can be removed, improving the overall cleanliness of the powder on the surface of the grinding head. Attached Figure Description

[0017] Figure 1 This is the front view of this utility model;

[0018] Figure 2 This is a schematic diagram of the placement mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the grinding mechanism of this utility model;

[0020] Figure 4 This is a diagram showing the internal structure of the grinding head of this utility model;

[0021] Figure 5 This is a cross-sectional view of the mobile box of this utility model;

[0022] Figure 6 This is a cross-sectional view of the fixing box of this utility model.

[0023] In the diagram: 1. Base; 2. Placement mechanism; 21. Slide rail; 22. First sliding device; 23. Fixing frame; 24. Stepper motor; 25. Grinding bowl; 26. Magnetic block; 3. Grinding mechanism; 31. Second sliding device; 32. Support plate; 33. Servo motor; 34. Rotating shaft; 35. Speed ​​measuring frame; 36. Speed ​​sensor; 37. Grinding head; 38. Moving part; 381. Moving box; 382. Insert plate; 383. Electromagnetic device; 384. Wire; 385. Power supply; 386. Extrusion rod; 39. Striking part; 391. Fixing box; 392. Stamping block; 393. Connecting rope; 394. Sliding rod; 395. Extrusion spring; 396. Striking ball. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0025] Example 1:

[0026] Please see Figure 1 - Figure 4 This utility model provides a technical solution: a grinding device for drug safety testing, including a base 1, a placement mechanism 2 installed on the upper surface of the base 1, and a grinding mechanism 3 provided on the upper surface of the placement mechanism 2; the base 1 provides support for the overall device, the placement mechanism 2 can place tablets, which is convenient for grinding the tablets later, and the grinding mechanism 3 grinds the tablets, which is convenient for subsequent testing work.

[0027] The placement mechanism 2 includes a slide rail, with a first sliding device 21 slidably connected to the outer surface of the slide rail. Fixing frames 22 are mounted on both sides of the first sliding device 21. A stepper motor 23 is mounted on the inner surface of the fixing frame 22. A grinding bowl 24 is mounted on the output shaft of the stepper motor 23, and a magnet 25 is mounted on the bottom of the grinding bowl 24. The first sliding device 21 can slide up and down along the outer surface of the slide rail, and the stepper motor 23 can drive the rotation of the grinding bowl 24.

[0028] The bottom of the slide rail is mounted on the edge of the upper surface of the base 1.

[0029] The grinding mechanism 3 includes a second sliding device 31. A support plate 32 is mounted on the outer surface of the second sliding device 31. A servo motor 33 is mounted on the inner surface of the support plate 32. A rotating shaft 34 is fixedly connected to the output end of the servo motor 33. A speed measuring frame 35 is mounted on the outer surface of the rotating shaft 34. A speed measuring sensor 36 is mounted on the inner surface of the speed measuring frame 35. A grinding head 37 is provided at the bottom of the speed measuring sensor 36. A moving part 38 is provided on the inner surface of the grinding head 37. A striking part 39 is slidably connected to the outer surface of the moving part 38. The second sliding device 31 can slide up and down along the outer surface of the slide rail. The speed measuring sensor 36 can detect the rotation speed of the rotating shaft 34. The interior of the grinding head 37 is hollow and can accommodate some parts. The grinding head 37 cooperates with the grinding bowl 24 to grind the tablets inside the grinding bowl 24.

[0030] The first sliding device 21 is disposed above the second sliding device 31. The inner surface of the second sliding device 31 is slidably connected to the outer surface of the slide rail. The speed sensor 36 is symmetrically disposed on both sides of the rotating shaft 34.

[0031] In use, the tablets to be tested are first placed inside the grinding bowl 24, with the opening of the grinding bowl 24 facing upwards. The first sliding device 21 slides upwards along the outer surface of the slide rail until the inner surface of the grinding bowl 24 is in contact with the bottom of the grinding head 37. The servo motor 33 is then activated to drive the rotation of the rotating shaft 34, the speed measuring frame 35, and the grinding head 37. During rotation, the grinding head 37 grinds the tablets on the inner wall of the grinding bowl 24. During the grinding process, the second sliding device 31 drives the support plate 32 and the grinding head 37 to slide up and down, and grinds the tablets during rotation.

[0032] The speed measuring frame 35 rotates, which in turn drives the speed measuring sensor 36 to rotate. The speed measuring sensor 36 detects the rotational speed of the rotating shaft 34 and the grinding head 37. In the initial stage of grinding, rapid rotation can quickly break up larger tablet particles. Once the speed has reached a certain level, reducing the grinding speed allows for finer grinding. Therefore, in this grinding stage, the speed of the rotating shaft 34 can be controlled to be fast at first and then slow down.

[0033] Example 2:

[0034] Please see Figure 1 - Figure 6This utility model provides a technical solution: Based on Embodiment 1, the movable component 38 includes a movable box 381. A sliding plate 382 is slidably connected to the inner wall of the movable box 381. An electromagnetic device 383 is installed on the inner surface of the movable box 381. A wire 384 is installed on the upper surface of the electromagnetic device 383. A power supply 385 is installed at the input end of the wire 384. A pressing rod 386 is positioned above the power supply 385. Two movable boxes 381 are provided, with one movable box 381 fixedly installed to the other via the sliding plate 382. The electromagnetic device 383, when energized, has strong magnetism and can repel the magnetic block 25 at the bottom of the grinding bowl 24. The power supply 385 supplies power to the electromagnetic device 383. When the power supply 385 has low power, the two fixed movable boxes 381 can be separated, and a new power supply 385 can be used.

[0035] The movable box 381 is placed inside the grinding head 37 and the inner surface of the movable box 381 is slidably connected to the outer surface of the rotating shaft 34. The power supply 385 is installed inside the movable box 381.

[0036] The striking component 39 includes a fixed box 391. A stamping block 392 is slidably connected to the inner surface of the fixed box 391. A connecting rope 393 is installed at the center of the upper surface of the stamping block 392. A sliding rod 394 is fixedly connected to the end of the connecting rope 393 away from the stamping block 392. A compression spring 395 is fixedly connected to the side of the sliding rod 394 near the connecting rope 393. A striking ball 396 is installed on the side of the sliding rod 394 away from the compression spring 395. The compression spring 395 is initially compressed. Due to the gravity of the stamping block 392, the sliding rod 394 is pulled by the connecting rope 393, which applies pressure to the compression spring 395. The gravity of the stamping block 392 is greater than the elastic force of the compression spring 395.

[0037] The fixed box 391 is installed on the outer surface of the rotating shaft 34, the center of the bottom of the stamping block 392 is located directly above the extrusion bar 386, and the end of the extrusion spring 395 away from the sliding bar 394 is installed on the inner surface of the fixed box 391.

[0038] During use, as the grinding head 37 grinds the medicine on the inner surface of the grinding bowl 24, the rotation of the grinding head 37 is controlled to grind and crush the tablets in the grinding bowl 24. The grinding bowl 24 repeatedly moves up and down during the grinding process. When the grinding bowl 24 rises, the magnetic block 25 at the bottom gradually approaches the moving device inside the grinding head 37, generating a huge thrust on the electromagnetic device 383 inside the moving device. This forces the entire moving box 381 and the extrusion rod 386 on the upper surface to move upward. The power supply 385 supplies power to the electromagnetic device 383 through the wire 384. When the grinding bowl 24 descends and the magnetic block 25 gradually moves out of the magnetic field of the electromagnetic device 383 and leaves a certain space distance, the power supply 385 is turned off. The entire moving box 381 and the electromagnetic device 383 will descend to their original position under the action of gravity, and the moving box 381 will impact the bottom of the inner wall of the grinding head 37, shaking off the medicine powder attached to the bottom of the outer surface of the grinding head 37.

[0039] Meanwhile, the speed of the rotating shaft 34 is detected by the speed sensor 36. When the speed of the rotating shaft 34 is slow, the power supply 385 provides a larger amount of power to the electromagnetic device 383 through the wire 384. The electromagnetic device 383 has a stronger magnetic force, and when it approaches the magnetic block 25, the repulsive force on the moving box 381 and the electromagnetic device 383 is also stronger, that is, the pushing force on the moving box 381 is also stronger. Similarly, when the magnetic block 25 descends and moves away from the repulsive distance of the electromagnetic device 383, the electromagnetic device 383 and the moving box 381 fall directly to the bottom of the inner wall of the grinding head 37 from a higher position, and the impact force on the bottom of the inner wall of the grinding head 37 is also stronger. When the speed of the rotating shaft 34 is fast, that is, the centrifugal force of the rotating grinding head 37 is strong, which may cause insufficiently crushed particles to be thrown off the surface, resulting in less adhesion. Therefore, the power supply 385 can be controlled to provide less power to the electromagnetic device 383. The impact force exerted by the moving box 381 and the electromagnetic device 383 on the bottom of the inner wall of the grinding head 37 is controlled by the magnitude of the electrical input. This allows the device to adjust the vibration intensity of the moving box 381 on the inner wall of the grinding head 37 based on the thickness of the powder on the bottom of the outer surface of the grinding head 37, ensuring that the pharmaceutical powder adhering to the surface of the grinding head 37 falls onto the inner surface of the grinding bowl 24 for subsequent grinding. The moving box 381 is made of lightweight plastic, so it does not bear a significant force load during the upward movement driven by the electromagnetic device 383.

[0040] As the moving box 381 moves the extrusion rod 386 upward, the extrusion rod 386 pushes the stamping block 392 upward along the inner wall of the fixed box 391. This causes the sliding rod 394 at the other end of the connecting rope 393 to slide the striking ball 396 outward along the inner surface of the fixed box 391 under the elasticity of the extrusion spring 395. This allows the striking ball 396 to strike the high part of the inner surface of the grinding head 37. As the extrusion rod 386 descends, the stamping block 392, under the action of gravity, also pulls the sliding rod 394 and the striking ball 396 through the connecting rope 393. This causes the sliding rod 394 to tightly fit against the extrusion spring 395 and squeeze it, causing the striking ball 396 to detach from the high part of the inner wall of the grinding head 37. Through the striking of the striking ball 396, the medicine powder attached to the higher side of the outer surface of the grinding head 37 can be knocked off.

[0041] Finally, when the grinding of the medicine is completed, the first sliding device 21 controls the fixed frame 22 and the grinding bowl 24 to descend to a certain height, and the stepper motor 23 starts and drives the grinding bowl 24 to rotate a certain angle through the output shaft. If so... Figure 2 As shown, this facilitates the subsequent scraping of the powdered tablets from inside the grinding bowl 24 by the staff, making it easier to collect.

[0042] Working principle:

[0043] Firstly, the rotation of the grinding head 37 can grind the drug powder on the inner surface of the grinding bowl 24. At the same time, during the lifting and lowering process of the grinding bowl 24, it can promote the lifting and lowering movement of the magnetic block 25 at the bottom and the electromagnetic device 383 and the moving box 381 above. When the moving box 381 descends, it can impact the bottom of the inner wall of the grinding head 37, vibrating the drug powder attached to the bottom of the outer surface of the grinding head 37 and preventing the powder from adhering to the bottom of the grinding head 37, which would affect the quality of subsequent drug testing.

[0044] During the lifting and lowering of the grinding bowl 24, the rotational speed of the shaft 34 is detected by the speed sensor 36 to further control the power intensity provided by the power supply 385 to the electromagnetic device 383. When the grinding head 37 rotates faster, the impact force of the moving box 381 on the inner wall of the grinding head 37 is reduced, and when the grinding head 37 rotates slower, the impact force of the moving box 381 on the inner wall of the grinding head 37 is increased. In this way, the vibration intensity of the moving box 381 on the inner wall of the grinding head 37 is adjusted according to the thickness of the powder at the bottom of the outer surface of the grinding head 37. That is, the vibration intensity is dynamically adjusted according to the detected powder thickness to ensure that the powder can be effectively stripped at different thicknesses, avoiding energy waste caused by insufficient force leading to residue or excessive vibration.

[0045] The movement of the extrusion rod 386 driven by the moving box 381 can also drive the stamping block 392 to move upward, and promote the knocking ball 396 to slide outward along the inner surface of the fixed box 391, knocking the high part of the inner surface of the grinding head 37. Since the bottom of the grinding head 37 is in direct contact with the medicine, it is subject to greater friction, resulting in more powder adhering. The vibration of the moving box 381 can effectively reduce the degree of adhesion at the bottom. However, the high part of the side of the grinding head 37 is subject to stronger centrifugal force, and some powder is easily thrown off the surface, resulting in a reduction in the amount of adhering. However, some small powder may still remain. The vibration generated by the impact at the bottom of the hollow grinding head 37 is difficult to transmit to the high part of the side. With the auxiliary impact of the knocking ball 396, the powder adhering to the side can be removed, improving the overall cleanliness of the powder on the surface of the grinding head 37.

[0046] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A grinding device for medicine safety detection, comprising a base (1), characterized in that: The upper surface of the base (1) is equipped with a placement mechanism (2), and the upper surface of the placement mechanism (2) is provided with a grinding mechanism (3); The placement mechanism (2) includes a slide rail (21), and a first sliding device (22) is slidably connected to the outer surface of the slide rail (21). Fixing frames (23) are installed on both sides of the first sliding device (22). A stepper motor (24) is installed on the inner surface of the fixing frame (23). A grinding bowl (25) is installed on the output shaft of the stepper motor (24). A magnetic block (26) is installed at the bottom of the grinding bowl (25).

2. The grinding device for medicine safety detection according to claim 1, characterized in that: The bottom of the slide rail (21) is mounted on the edge of the upper surface of the base (1).

3. The grinding device for medicine safety detection according to claim 1, characterized in that: The grinding mechanism (3) includes a second sliding device (31), a support plate (32) is mounted on the outer surface of the second sliding device (31), a servo motor (33) is mounted on the inner surface of the support plate (32), a rotating shaft (34) is fixedly connected to the output end of the servo motor (33), a speed measuring frame (35) is mounted on the outer surface of the rotating shaft (34), a speed measuring sensor (36) is mounted on the inner surface of the speed measuring frame (35), a grinding head (37) is provided at the bottom of the speed measuring sensor (36), a moving part (38) is provided on the inner surface of the grinding head (37), and a striking part (39) is slidably connected to the outer surface of the moving part (38).

4. The grinding device for medicine safety detection according to claim 3, characterized in that: The first sliding device (22) is positioned above the second sliding device (31), the inner surface of the second sliding device (31) is slidably connected to the outer surface of the slide rail (21), and the speed sensor (36) is symmetrically positioned on both sides of the rotating shaft (34).

5. The grinding device for medicine safety detection according to claim 3, characterized in that: The moving component (38) includes a moving box (381), an insert plate (382) is slidably connected to the inner wall of the moving box (381), an electromagnetic device (383) is installed on the inner surface of the moving box (381), an electric wire (384) is installed on the upper surface of the electromagnetic device (383), a power supply (385) is installed at the input end of the electric wire (384), and a pressing rod (386) is arranged above the power supply (385).

6. The grinding device for pharmaceutical safety detection according to claim 5, characterized in that: The movable box (381) is placed inside the grinding head (37) and the inner surface of the movable box (381) is slidably connected to the outer surface of the rotating shaft (34). The power supply (385) is installed inside the movable box (381).

7. The grinding device for pharmaceutical safety testing according to claim 6, characterized in that: The striking component (39) includes a fixed box (391), a stamping block (392) is slidably connected to the inner surface of the fixed box (391), a connecting rope (393) is installed at the center of the upper surface of the stamping block (392), a sliding rod (394) is fixedly connected to one end of the connecting rope (393) away from the stamping block (392), a compression spring (395) is fixedly connected to one side of the sliding rod (394) near the connecting rope (393), and a striking ball (396) is installed on the side of the sliding rod (394) away from the compression spring (395).

8. The grinding device for pharmaceutical safety testing according to claim 7, characterized in that: The fixed box (391) is installed on the outer surface of the rotating shaft (34), the center of the bottom of the stamping block (392) is located directly above the extrusion bar (386), and the end of the extrusion spring (395) away from the sliding bar (394) is installed on the inner surface of the fixed box (391).

Images