Medicament particle screening device with controllable falling speed

Abstract

The utility model discloses a medicament particle screening device with controllable falling speed, which comprises a frame and a screen body obliquely arranged on the frame, a striker plate is movably arranged at the top of the screen body along the length direction, the striker plate is abutted against the screening surface of the screen body, a driving device is further arranged on the frame, and the driving device is used for driving the striker plate to move. The material blocking plate is used for blocking to-be-screened particles entering the top end of the screen body. During screening, to-be-screened particles are put at the top end of the screen body and are blocked by the material blocking plate, and then the driving device is controlled to drive the material blocking plate to move towards one side of the bottom end of the screen body at an expected speed. In the process, the particles to be screened can be screened through the filter holes of the screen body. Compared with the prior art, the screening device can more conveniently and controllably control the falling speed of medicament particles through the matching of the driving device and the striker plate, and the condition that the medicament particles are impacted and broken due to the too high falling speed does not occur easily.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a pharmaceutical particle screening device with controllable falling speed. Background Art

[0002] Granular drugs are a commonly used drug structure in medicine that is easy to take. The screening of granular drugs can effectively distinguish the dosage and medicinal properties of large and small particles, improve the effect of taking different doses for different groups of people, and ensure that the efficacy of the drug is fully coordinated with the patient's conditioning for diffusion operations.

[0003] At present, a Chinese patent with the announcement number CN211660439U discloses a granular medicine production screening device, including a vibrating discharging device and a sorting screen body connected to the discharge port of the vibrating discharging device, and a screen body inclination adjustment device is connected to the sorting screen body. When in use, the inclination angle of the sorting screen body is adjusted by the screen body inclination adjustment device to adjust the screening speed of the medicine particles. However, the method of adjusting the screening speed only by changing the inclination angle of the sorting screen body is inconvenient, and when the inclination angle is too large, the medicine particles may be impacted and broken due to the excessively high falling speed. Therefore, how to control the falling speed of medicine particles more conveniently and controllably is a problem to be solved urgently. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a medicine particle screening device with controllable falling speed.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A pharmaceutical particle screening device with controllable falling speed comprises a frame and a sieve body obliquely arranged on the frame, a material baffle plate is movably arranged on the top of the sieve body along the length direction, the material baffle plate abuts against the screening surface of the sieve body, and a driving device is also arranged on the frame, the driving device is used to drive the material baffle plate to move, and the material baffle plate is used to stop the particles to be screened that enter the top of the sieve body.

[0007] The driving device comprises a lead screw arranged on the screen body and a motor connected to the lead screw, and the baffle plate is drivingly connected to the lead screw.

[0008] The baffle plate is also provided with a vibrating member.

[0009] The sieve body is constructed with a plurality of sieving areas from top to bottom, and the sieving apertures of the plurality of sieving areas are increased in sequence.

[0010] The material blocking plate includes a main body and a vibration part elastically arranged on the main body, the vibration part is located at the front side of the main body, and the vibration member is arranged on the vibration part.

[0011] The vibrating member includes a vibrating motor.

[0012] The main body is provided with a plurality of connection holes, the vibration part is provided with connection posts, the connection posts are adapted to the connection holes, and an elastic member is connected between the main body and the vibration part.

[0013] Side plates are arranged on both sides of the screen body, and both sides of the material blocking plate are respectively attached to the two side plates.

[0014] A plurality of cavities are constructed in the material baffle plate, each of which is constructed with a plurality of suction holes connected to the bottom surface of the material baffle plate. A negative pressure device is also provided on the material baffle plate, and the negative pressure device can drive the cavity to generate negative pressure. The plurality of cavities are arranged in sequence along the length direction, and the plurality of suction holes are arranged in sequence along the width direction.

[0015] The beneficial effect of the utility model is that during screening, the particles to be screened are placed on the top of the screen body and are stopped by the baffle plate, and then the driving device is controlled to drive the baffle plate to move toward the bottom of the screen body at a desired speed. In this process, the particles to be screened can be screened through the filter holes of the screen body. Compared with the prior art, the screening device of the utility model can more conveniently and controllably control the falling speed of the pharmaceutical particles through the cooperation of the driving device and the baffle plate, and it is less likely for the pharmaceutical particles to be impacted and broken due to an excessively high falling speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment;

[0017] Figure 2 It is a schematic diagram of the top view structure of the screen body;

[0018] Figure 3 Schematic diagram of the cross-sectional structure of the baffle plate.

[0019] Figure numerals: 1. frame; 2. screen body; 3. material baffle plate; 4. screening surface; 5. driving device; 6. screw; 7. motor; 8. vibrating member; 9. screening area; 10. main body; 11. vibrating part; 12. connecting hole; 13. connecting column; 14. elastic member; 15. side plate; 16. cavity; 17. suction hole. DETAILED DESCRIPTION

[0020] The following will be combined with the embodiments to clearly and completely describe the technical solution 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 of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0021] like Figure 1 , Figure 2 , Figure 3 As shown, a pharmaceutical particle screening device with controllable falling speed comprises a frame 1 and a sieve body 2 obliquely arranged on the frame 1. According to the screening direction of the sieve body 2, a top end located at a higher position and a bottom end located at a lower position can be defined, and the top of the sieve body 2 can be positioned as the top of the sieve body 2. As a common screening process of the screening device in the prior art, the material to be screened is placed on the sieve body 2 from the top, and then, under the action of gravity, it rolls to the bottom at a free fall speed, and the screening purpose is achieved through the filter holes of the sieve body 2 during the process.

[0022] However, when screening certain materials, such as pharmaceutical particles, the speed of the pharmaceutical particles in free fall is difficult to control, which can easily cause the pharmaceutical particles to break due to impact due to an excessively high falling speed.

[0023] In this regard, a material blocking plate 3 is movably provided on the top of the screen body 2 along the length direction, and a driving device 5 for driving the material blocking plate 3 to move is also provided on the frame 1. The material blocking plate 3 abuts against the screening surface 4 of the screen body 2, so the particles to be screened on the screen body 2 can be stopped by the material blocking plate 3.

[0024] During screening, the particles to be screened are placed on the top of the screen body 2 and are stopped by the material blocking plate 3, and then the driving device 5 is controlled to drive the material blocking plate 3 to move toward the bottom of the screen body 2 at a desired speed. In this process, the particles to be screened can pass through the filter holes of the screen body 2 to achieve screening.

[0025] It can be understood that the cooperation between the driving device 5 and the baffle plate 3 can more conveniently and controllably control the falling speed of the pharmaceutical particles, and it is less likely that the pharmaceutical particles will be impacted and broken due to an excessively high falling speed.

[0026] In some embodiments, the baffle plate 3 includes a main body 10 and a vibrating portion 11 elastically arranged on one side of the top of the main body 10, that is, the vibrating portion 11 should be located above the main body 10. Therefore, the particles to be screened placed on the top of the sieve body 2 will be stopped at the side wall of the vibrating portion 11. A vibrating member 8 is also arranged on the vibrating portion 11, for example, the vibrating member 8 can be a vibration motor 7. In the process of the baffle plate 3 moving downward as a whole to gradually screen the particles to be screened, the vibrating member 8 can vibrate the vibrating portion 11, so that the particles to be screened stopped at the side wall of the vibrating portion 11 oscillate, so that the particles to be screened can be fully mixed and achieve a better screening rate and effect under the action of the shaking force.

[0027] In a preferred embodiment, a plurality of connecting holes 12 are constructed on the main body 10, and a plurality of connecting columns 13 are provided on the vibration part 11. The plurality of connecting columns 13 are adapted in the plurality of connecting holes 12 one by one, and an elastic member 14 is also sleeved outside the connecting column 13, for example, the elastic member 14 can be a spring. In other words, the two ends of the spring are respectively connected to the main body 10 and the vibration part 11. When the vibration member 8 oscillates the vibration part 11, the elastic member 14 can provide the vibration freedom of the vibration part 11, and through the restriction of the connecting columns 13 and the connecting holes 12, the vibration part 11 is not easy to move away from one side of the screen body 2, so it is not easy for the particles to be screened to fall freely through the baffle plate 3.

[0028] For example, side plates 15 are further provided on both sides of the sieve body 2, and both sides of the baffle plate 3 are configured to be respectively attached to the two side plates 15. An accommodation space for accommodating particles to be screened is formed between the two side walls and the baffle plate 3. Therefore, when the vibrating member 8 vibrates the particles to be screened, the particles to be screened are not likely to separate from the sieve body 2.

[0029] In some embodiments, the driving device 5 may preferably include a lead screw 6 disposed on the side of the screen body 2 and a motor 7 connected to the lead screw 6, and the main body 10 is connected to the lead screw 6 by transmission. A lead screw 6 transmission pair is formed between the lead screw 6 and the main body 10, which is a prior art and is not described in detail in this disclosure. In short, when the motor 7 rotates, the rotating lead screw 6 will drive the main body 10 to move along the length direction of the screen body 2, thereby achieving the purpose of screening.

[0030] In addition, the sieve body 2 may also be preferably configured with a plurality of sieving areas 9 from top to bottom, and the sieving apertures of the plurality of sieving areas 9 are increased in sequence. In this way, the particles to be sieved through the sieve body 2 can be sieved to obtain a variety of particle sizes, so as to facilitate subsequent recycling and processing.

[0031] In some embodiments, a plurality of cavities 16 are further configured in the main body 10, and the plurality of cavities 16 are sequentially arranged along the length direction of the sieve body 2, and a plurality of suction holes 17 connected to the bottom surface of the material retaining plate 3 are configured at the bottom of each cavity 16, and the plurality of suction holes 17 are sequentially arranged along the width direction of the sieve body 2. In addition, a negative pressure device (not shown) is also connected to the material retaining plate 3, and negative pressure can be generated in the cavity 16 through the negative pressure device. The negative pressure device is also a prior art, so it will not be described in detail in this disclosure.

[0032] In the process of the baffle plate 3 moving downward as a whole to gradually screen the particles to be screened, the cavity 16 on the main body 10 can first perform negative pressure adsorption on the screening area 9 below, for example, the pharmaceutical particles blocked in the filter hole can be sucked out and stored in the corresponding cavity 16 through the suction hole 17. In addition, the corresponding cavity 16 can be selected according to different screening areas 9 to adsorb the pharmaceutical particles. When the baffle plate 3 rises again to perform the next screening action, for example, the pharmaceutical particles adsorbed from the previous screening area 9 can be put into the next screening area 9, so as to achieve secondary screening of the adsorbed pharmaceutical particles. Preferably, an electromagnetic opening and closing valve can be set in the suction hole 17 to achieve controllable opening and closing.

[0033] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A pharmaceutical particle screening device with controllable falling speed, comprising a frame (1) and a screen body (2) obliquely arranged on the frame (1), wherein: A material baffle plate (3) is movably provided on the top of the sieve body (2) along the length direction, and the material baffle plate (3) abuts against the screening surface (4) of the sieve body (2). A driving device (5) is also provided on the frame (1), and the driving device (5) is used to drive the material baffle plate (3) to move, and the material baffle plate (3) is used to stop the particles to be screened that enter the top of the sieve body (2).

2. The pharmaceutical particle screening device with controllable falling speed according to claim 1 is characterized in that: The driving device (5) comprises a lead screw (6) arranged on the screen body (2) and a motor (7) connected to the lead screw (6), and the material blocking plate (3) is drivingly connected to the lead screw (6).

3. The pharmaceutical particle screening device with controllable falling speed according to claim 1 is characterized in that: The material blocking plate (3) is also provided with a vibrating member (8).

4. The pharmaceutical particle screening device with controllable falling speed according to any one of claims 1 to 3, characterized in that: The sieve body (2) is configured with a plurality of sieving areas (9) from top to bottom, and the sieving apertures of the plurality of sieving areas (9) increase in sequence.

5. The pharmaceutical particle screening device with controllable falling speed according to claim 3 is characterized in that: The baffle plate (3) comprises a main body (10) and a vibration part (11) elastically arranged on the main body (10); the vibration part (11) is located on the front side of the main body (10); and the vibration member (8) is arranged on the vibration part (11).

6. The pharmaceutical particle screening device with controllable falling speed according to claim 5 is characterized in that: The vibrating member (8) comprises a vibrating motor (7).

7. The pharmaceutical particle screening device with controllable falling speed according to claim 5 is characterized in that: The main body (10) is provided with a plurality of connection holes (12), the vibration part (11) is provided with a connection column (13), the connection column (13) is adapted to fit into the connection hole (12), and an elastic member (14) is connected between the main body (10) and the vibration part (11).

8. The pharmaceutical particle screening device with controllable falling speed according to claim 3 is characterized in that: Side plates (15) are provided on both sides of the screen body (2), and both sides of the material blocking plate (3) are respectively attached to the two side plates (15).

9. The pharmaceutical particle screening device with controllable falling speed according to claim 4 is characterized in that: The baffle plate (3) is provided with a plurality of cavities (16), each of the cavities (16) being provided with a plurality of suction holes (17) connected to the bottom surface of the baffle plate (3). The baffle plate (3) is also provided with a negative pressure device, which can drive the cavity (16) to generate negative pressure. The plurality of cavities (16) are arranged in sequence along the length direction, and the plurality of suction holes (17) are arranged in sequence along the width direction.

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