A pharmaceutical particle screening device
Patent Information
- Application Number
- CN202522058080.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-24
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-09-24
AI Technical Summary
[0003]但现有的药物颗粒筛选装置仍然存在不足之处，具体为：现有的药物颗粒筛选装置在使用时，一次筛选只能够筛选出一种体积的药物颗粒，筛选效率较低
1、本实用新型中，通过设置一种药物颗粒筛选装置，利用该装置中的筛选机构来筛选药物颗粒，控制器启动电动推杆和伺服电机，电动推杆带动牵引绳向内移动，向内移动的牵引绳不再拉住挡板，涡卷弹簧带动挡板向上转动，挡板转动至垂直状态，伺服电机带动转动板和推动块旋转，向下转动的推动块会挤压固定板，受到挤压的固定板会带动滑动框向左移动，继续转动的转动板带动推动块脱离固定板，复位弹簧带动固定板和滑动框反向移动，不断转动的转动板会带动推动块不断脱离和挤压固定板，从而带动滑动框和筛网反复左右晃动，将药物颗粒通过进料斗投入筛选箱内，进入筛选箱内的药物颗粒会落到筛网上，晃动的筛网会筛选药物颗粒，被筛选下来的药物颗粒会落到出料板上并沿出料板滑出筛选箱，控制器启动该滑动框内的电动推杆，电动推杆拉动牵引绳向外移动，向外移动的牵引绳会拉动挡板向下转动，向下转动的挡板不再挡住药物颗粒，药物颗粒向下滑动到下一筛网上，重复上述步骤，药物颗粒在不同孔径的筛网上进行筛选，解决了现有的药物颗粒筛选装置在使用时，一次筛选只能够筛选出一种体积的药物颗粒，筛选效率较低的问题。
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Figure CN224912867U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drug manufacturing technology, specifically a drug particle screening device. Background Technology
[0002] Drug particle screening devices are equipment used in the drug manufacturing process to screen and classify drug particles according to their size. They generally use sieves for filtration and screening.
[0003] However, existing drug particle screening devices still have shortcomings. Specifically, when using existing drug particle screening devices, only one size of drug particle can be screened at a time, resulting in low screening efficiency. Utility Model Content
[0004] The purpose of this invention is to provide a drug particle screening device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: A drug particle screening device includes a screening box, an internal screening mechanism for screening drug particles, an observation window on the front of the screening box above the screening mechanism, a controller on the outer wall of the screening box, a terminal block on the outer wall of the screening box below the controller, a discharge plate fixedly connected inside the screening box below the screening mechanism, a micro air pump fixedly connected inside the screening box above the screening mechanism, and a feed hopper fixedly connected to the top of the screening box. The screening mechanism includes a sliding frame slidably connected inside the screening box. A screen is fixedly connected inside the sliding frame. A connecting shaft is fixedly connected inside the sliding frame and to the right of the screen. A baffle is rotatably connected to the outer wall of the connecting shaft. A spiral spring is fixedly connected inside the baffle and near the connecting shaft. A traction rope is fixedly connected to the bottom of the baffle. An electric push rod is fixedly connected to the outer wall of the traction rope at the end away from the baffle. Fixed plates are fixedly connected to both the front and back of the sliding frame. A push block is slidably connected to the outer wall of the fixed plate. A rotating plate is fixedly connected to the bottom of the push block and inside the screening box. A servo motor is fixedly connected to the center of the outer wall of the rotating plate. A return spring is fixedly connected to the outer wall of the fixed plate. An air nozzle is fixedly connected to the top of the screening box and above the sliding frame. A guide pipe is fixedly connected to the outer wall of the air nozzle. The screen, baffle, servo motor and air nozzle are all provided in multiple sets, and the aperture of the multiple sets of screens increases sequentially from left to right. The rotating plate, push block and screening box are all connected by rotation. The electric push rod, servo motor and controller are all connected by electrical connection.
[0006] As a preferred embodiment of this utility model, the screening box, the discharge plate and the feed hopper are all made of aluminum alloy, the observation window is made of transparent acrylic glass, and the terminal block and the connection between the micro air pump and the controller are all electrically connected.
[0007] As a preferred embodiment of this utility model, the discharge plate has a C-shaped structure design, and multiple sets of discharge plates and observation windows are provided. A sponge pad is fixedly connected to the inner wall of the discharge plate, and the discharge plate is installed at an angle inside the screening box.
[0008] Through the above technical solution, the sponge pad can absorb the kinetic energy of the falling drug particles, preventing the drug particles from being damaged due to excessive impact force when they collide with the discharge plate.
[0009] As a preferred embodiment of this utility model, the sliding frame, baffle, fixed plate, pushing block, and rotating plate are all made of aluminum alloy. The sliding frame has a rectangular structure design. The length of the baffle is adapted to the width of the screen. The servo motor is fixedly connected to the screening box, the reset spring is fixedly connected to the screening box, and the spiral spring is fixedly connected to the connecting shaft.
[0010] As a preferred embodiment of this utility model, the sliding frame and the air nozzle are both installed at an angle inside the screening box, a silicone pad is fixedly connected to the outer wall of the screen near the baffle, the fixing plate has a U-shaped structure design, and the traction rope is connected to the sliding frame by a sliding connection.
[0011] Through the above technical solution, the silicone pad can block the gap between the screen and the baffle, preventing drug particles from entering.
[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. In this utility model, a drug particle screening device is set up. The screening mechanism in the device is used to screen drug particles. The controller starts the electric push rod and the servo motor. The electric push rod drives the traction rope to move inward. The traction rope moving inward no longer pulls the baffle. The spiral spring drives the baffle to rotate upward. When the baffle rotates to a vertical state, the servo motor drives the rotating plate and the pushing block to rotate. The downward rotating pushing block will squeeze the fixed plate. The squeezed fixed plate will drive the sliding frame to move to the left. The continuing to rotate the rotating plate will drive the pushing block to disengage from the fixed plate. The return spring will drive the fixed plate and the sliding frame to move in the opposite direction. The continuously rotating rotating plate will drive the pushing block to continuously disengage from and squeeze the fixed plate, thereby driving the sliding frame and the screen to repeatedly... The device oscillates left and right, feeding drug granules into the screening box through the feed hopper. The granules fall onto the screen, where the oscillating screen filters them. The filtered granules fall onto the discharge plate and slide out of the screening box. The controller activates the electric push rod within the sliding frame, which pulls the traction rope outwards. This pull rope causes a baffle to rotate downwards, allowing the granules to slide onto the next screen. This process is repeated, allowing drug granules to be screened on screens of different apertures. This solves the problem of existing drug granule screening devices, which can only screen one type of granule size at a time, resulting in low screening efficiency. Attached Figure Description
[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This utility model Figure 2 Enlarged view of point A in the middle; Figure 4 This is a three-dimensional structural diagram of the sliding frame of this utility model.
[0014] In the diagram: 1. Screening box; 2. Screening mechanism; 3. Observation window; 4. Controller; 5. Terminal block; 6. Discharge plate; 7. Miniature air pump; 8. Feed hopper; 201. Sliding frame; 202. Screen; 203. Connecting shaft; 204. Baffle; 205. Scroll spring; 206. Traction rope; 207. Electric push rod; 208. Fixing plate; 209. Push block; 210. Rotating plate; 211. Servo motor; 212. Return spring; 213. Air nozzle; 214. Guide pipe. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0016] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and complete.
[0017] For examples, please refer to Figure 1-4 This utility model provides a technical solution: A drug particle screening device includes a screening box 1, a screening mechanism 2 inside the screening box 1 for screening drug particles, an observation window 3 on the front of the screening box 1 above the screening mechanism 2, a controller 4 on the outer wall of the screening box 1, a terminal block 5 on the outer wall of the screening box 1 below the controller 4, a discharge plate 6 fixedly connected inside the screening box 1 below the screening mechanism 2, a micro air pump 7 fixedly connected inside the screening box 1 above the screening mechanism 2, and a feed hopper 8 fixedly connected to the top of the screening box 1.
[0018] The screening box 1, the discharge plate 6, and the feed hopper 8 are all made of aluminum alloy, the observation window 3 is made of transparent acrylic glass, and the terminal block 5 and the micro air pump 7 are all electrically connected to the controller 4.
[0019] The discharge plate 6 has a C-shaped structure design. Both the discharge plate 6 and the observation window 3 are equipped with multiple sets. The inner wall of the discharge plate 6 is fixedly connected with a sponge pad. The discharge plate 6 is installed at an angle in the screening box 1. The sponge pad can absorb the kinetic energy of the falling drug particles and prevent the drug particles from being damaged due to excessive impact force when they collide with the discharge plate 6.
[0020] In this embodiment, reference Figure 2 , Figure 3 as well as Figure 4The screening mechanism 2 includes a sliding frame 201 slidably connected inside the screening box 1. A screen 202 is fixedly connected inside the sliding frame 201. A connecting shaft 203 is fixedly connected inside the sliding frame 201 and to the right of the screen 202. A baffle 204 is rotatably connected to the outer wall of the connecting shaft 203. A spiral spring 205 is fixedly connected inside the baffle 204 and near the connecting shaft 203. A traction rope 206 is fixedly connected to the bottom of the baffle 204. An electric motor is fixedly connected to the outer wall of the traction rope 206 at the end away from the baffle 204. The push rod 207 and the sliding frame 201 are both fixedly connected to the front and back of the fixed plate 208. The outer wall of the fixed plate 208 is slidably connected to the push block 209. The bottom of the push block 209 and the screen box 1 are fixedly connected to the rotating plate 210. The center of the outer wall of the rotating plate 210 is fixedly connected to the servo motor 211. The outer wall of the fixed plate 208 is fixedly connected to the return spring 212. The top of the screen box 1 and the sliding frame 201 are fixedly connected to the air nozzle 213. The outer wall of the air nozzle 213 is fixedly connected to the guide pipe 214.
[0021] The sliding frame 201, baffle 204, fixed plate 208, push block 209, and rotating plate 210 are all made of aluminum alloy. The sliding frame 201 has a rectangular structure design. The length of the baffle 204 is adapted to the width of the screen 202. The servo motor 211 is fixedly connected to the screening box 1, the reset spring 212 is fixedly connected to the screening box 1, and the spiral spring 205 is fixedly connected to the connecting shaft 203.
[0022] The sliding frame 201 and the air nozzle 213 are both installed at an angle inside the screening box 1. A silicone pad is fixedly connected to the outer wall of the screen 202 near the baffle 204. The silicone pad can block the gap between the screen 202 and the baffle 204 to prevent drug particles from entering. The fixing plate 208 has a U-shaped structure design. The traction rope 206 is connected to the sliding frame 201 by a sliding connection.
[0023] The screen 202, baffle 204, servo motor 211 and air nozzle 213 are all provided in multiple sets, and the aperture of the multiple sets of screens 202 increases from left to right. The rotating plate 210, the push block 209 and the screening box 1 are all connected by rotation. The electric push rod 207, the servo motor 211 and the controller 4 are all connected by electrical connection.
[0024] The working process of this utility model is as follows: When using the drug particle screening device designed in this scheme, the controller 4 activates the electric push rod 207 and the servo motor 211. The electric push rod 207 pushes the traction rope 206 inward. The inwardly moving traction rope 206 no longer pulls the baffle 204. The spiral spring 205 drives the baffle 204 to rotate upward around the connecting shaft 203. The baffle 204 rotates to a vertical state. The servo motor 211 drives the rotating plate 210 and the pushing block 209 to rotate. The downward rotating pushing block 209 will squeeze the fixed plate 208. The squeezed fixed plate 208 will drive the sliding frame 201 to move to the left. The continuously rotating rotating plate 210 will drive the pushing block 209 to disengage from the fixed plate 208. The return spring 212 will drive the fixed plate 208 and the sliding frame 201 to move in the opposite direction. The continuously rotating rotating plate 210 will drive the pushing block 209 to continuously disengage from and squeeze the fixed plate 208, thereby driving the sliding frame 201 to move to the left. The frame 201 and screen 202 repeatedly sway left and right, feeding the drug particles into the screening box 1 through the feed hopper 8. The drug particles entering the screening box 1 fall onto the screen 202, and the swaying screen 202 filters the drug particles. The filtered drug particles fall onto the discharge plate 6 and slide out of the screening box 1 along the discharge plate 6. The controller 4 activates the electric push rod 207 in the sliding frame 201. The electric push rod 207 pulls the traction rope 206 to move outward. The outward-moving traction rope 206 pulls the baffle 204 to rotate downward. The downward-rotating baffle 204 no longer blocks the drug particles, and the drug particles slide down to the next screen 202. At the same time, the controller 4 activates the micro air pump 7. The micro air pump 7 sends air into the air nozzle 213 through the guide pipe 214. The airflow from the air nozzle 213 slows down the sliding speed of the drug particles. The above steps are repeated, and the drug particles are filtered on screens 202 with different aperture sizes.
[0025] The controller 4, terminal 5, micro air pump 7, electric push rod 207, and servo motor 211 used in this utility model are all existing known electrical devices, and all can be purchased and used directly on the market. Their structure, circuit, and control principle are all existing known technologies. Therefore, the structure, circuit, and control principle of the controller 4, terminal 5, micro air pump 7, electric push rod 207, and servo motor 211 will not be described in detail here.
[0026] All standard parts used in this application can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art and are also general components, which are common knowledge in this field.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A drug particle screening device, comprising a screening box (1), characterized in that: The screening box (1) is equipped with a screening mechanism (2) for screening drug particles. An observation window (3) is installed on the front of the screening box (1) and above the screening mechanism (2). A controller (4) is installed on the outer wall of the screening box (1). A terminal block (5) is installed on the outer wall of the screening box (1) and below the controller (4). A discharge plate (6) is fixedly connected inside the screening box (1) and below the screening mechanism (2). A micro air pump (7) is fixedly connected inside the screening box (1) and above the screening mechanism (2). A feed hopper (8) is fixedly connected to the top of the screening box (1). The screening mechanism (2) includes a sliding frame (201) slidably connected inside the screening box (1). A screen (202) is fixedly connected inside the sliding frame (201). A connecting shaft (203) is fixedly connected inside the sliding frame (201) and to the right of the screen (202). A baffle (204) is rotatably connected to the outer wall of the connecting shaft (203). A spiral spring (205) is fixedly connected inside the baffle (204) and near the connecting shaft (203). A traction rope (206) is fixedly connected to the bottom of the baffle (204). An electric motor is fixedly connected to the outer wall of the traction rope (206) at the end away from the baffle (204). Push rod (207), fixed plate (208) is fixedly connected to the front and back of the sliding frame (201), push block (209) is slidably connected to the outer wall of the fixed plate (208), rotating plate (210) is fixedly connected to the bottom of the push block (209) and inside the screening box (1), servo motor (211) is fixedly connected to the center of the outer wall of the rotating plate (210), reset spring (212) is fixedly connected to the outer wall of the fixed plate (208), air nozzle (213) is fixedly connected to the top of the screening box (1) and above the sliding frame (201), and guide pipe (214) is fixedly connected to the outer wall of the air nozzle (213). The screen (202), baffle (204), servo motor (211) and air nozzle (213) are all provided in multiple sets, and the aperture of the multiple sets of screens (202) increases from left to right. The rotating plate (210), the push block (209) and the screening box (1) are all connected by rotation. The electric push rod (207), the servo motor (211) and the controller (4) are all connected by electrical connection.
2. The drug particle screening device according to claim 1, characterized in that: The screening box (1), the discharge plate (6) and the feed hopper (8) are all made of aluminum alloy, the observation window (3) is made of transparent acrylic glass, and the terminal block (5) and the micro air pump (7) are connected to the controller (4) by electrical connection.
3. The drug particle screening device according to claim 1, characterized in that: The discharge plate (6) is designed with a C-shaped structure. Both the discharge plate (6) and the observation window (3) are provided with multiple sets. The inner wall of the discharge plate (6) is fixedly connected with a sponge pad. The discharge plate (6) is installed at an angle inside the screening box (1).
4. The drug particle screening device according to claim 1, characterized in that: The sliding frame (201), baffle (204), fixed plate (208), push block (209), and rotating plate (210) are all made of aluminum alloy. The sliding frame (201) has a rectangular structure design. The length of the baffle (204) is adapted to the width of the screen (202). The servo motor (211) is fixedly connected to the screening box (1), the reset spring (212) is fixedly connected to the screening box (1), and the spiral spring (205) is fixedly connected to the connecting shaft (203).
5. The drug particle screening device according to claim 1, characterized in that: The sliding frame (201) and the air nozzle (213) are both installed at an angle inside the screening box (1). The outer wall of the screen (202) is fixedly connected with a silicone pad near the baffle (204). The fixing plate (208) has a U-shaped structure design. The traction rope (206) is connected to the sliding frame (201) by a sliding connection.