Filtering device for screening medical intermediates

Abstract

The utility model discloses a filtering device for screening medical intermediates, which comprises a screening box, a plurality of screening nets, a plurality of discharge ports and a feed pipe, the screening nets are fixedly arranged inside the screening box, the discharge ports are arranged on two sides of the screening box, the discharge ports are arranged on two sides of the screening box, and the feed pipe is arranged on the screening box. The feeding pipe fixedly communicates with the top of the screening box, a mounting base is fixedly connected to the right side of the top of the screening box, sealing plates are movably connected to the front side and the rear side of the top of the feeding pipe, and transmission assemblies are fixedly connected to the right sides of the sealing plates. By arranging the sealing plate, the feeding pipe can be sealed after the sealing plate is closed, and the problem that in the using process, the feeding port is not sealed, so that external dust can enter the machine body through the feeding port when the device is not used and idle, and the medicine quality is polluted and influenced is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering and screening, in particular to a filtering device for screening pharmaceutical intermediates. Background Art

[0002] The so-called pharmaceutical intermediates are actually some chemical raw materials or chemical products used in the process of drug synthesis. This kind of chemical product does not require a drug production license and can be produced in an ordinary chemical plant. As long as it reaches a certain level, it can be used in drug synthesis.

[0003] The production and preparation process of pharmaceutical intermediates includes many steps, including filtration and screening, so as to obtain pharmaceutical intermediates that meet the requirements. Filtration and screening require the use of filtration and screening devices, but the existing filtration and screening devices have some inconveniences.

[0004] For example, application number CN202120922829.2 The utility model relates to a pharmaceutical intermediate filtering and screening device, including a body and a screening mechanism, the screening mechanism including a screening box, the left and right side walls of the screening box are both provided with a first discharge port, the inner cavity of the screening box is provided with an inclined plate, the inner cavity of the screening box is provided with a screening plate, the left and right side walls of the inner cavity of the screening box are both provided with a card slot, and a card block is provided at the first discharge port. The pharmaceutical intermediate filtering and screening device pours the raw material from the feed port and then enters the screening mechanism. The screening mechanism is installed on the upper surface of the horizontal plate. At this time, the vibration motor on the lower surface of the horizontal plate works, and under the action of four springs, vibration is generated to screen the raw material in the screening mechanism, and finally discharged through multiple second discharge ports and a discharge plate. When the screening plate needs to be replaced, it is only necessary to open the cover plate, take out the screening mechanism, and the screening plate is connected to the screening mechanism. The screening plate can be removed by lifting it upward.

[0005] Based on the search of the above patents and in combination with the equipment in the prior art, it was found that although the above equipment can solve the problem that the existing filtering and screening devices are generally integral structures, it is not convenient to disassemble and clean the screening plates, which affects the efficiency of filtering and screening. However, the feed port is not sealed during use, so that when the device is not in use, external dust will enter the interior of the body through the feed port, thereby polluting and affecting the quality of the drugs. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a filtering device for screening pharmaceutical intermediates, which has the advantages of sealing and dustproofing, and solves the problem that the feed port is not sealed during use, so that when the device is not in use and idle, external dust will enter the interior of the body through the feed port, thereby polluting and affecting the quality of the medicines.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a filtering device for screening pharmaceutical intermediates, comprising a screening box, a screening net, a discharge port and a feed pipe, the screening net being fixedly installed inside the screening box, a plurality of screening nets being provided, the discharge ports being opened on both sides of the screening box, a plurality of discharge ports being opened, the feed pipe being fixedly connected to the top of the screening box, a mounting seat being fixedly connected to the right side of the top of the screening box, a sealing plate being movably connected to the front and rear sides of the top of the feed pipe, and a transmission assembly being fixedly connected to the right side of the sealing plate.

[0008] As a preferred embodiment of the utility model, the transmission assembly includes a transmission plate, the surface of the transmission plate is fixedly connected with teeth, a plurality of teeth are provided and distributed in a ring shape with equal distances, the teeth are meshed with each other, a motor is fixedly installed on the front side of the top of the mounting seat, the output end of the motor is fixedly connected with a gear, and the gear is meshed with the teeth.

[0009] As a preferred embodiment of the present invention, a limiting rod is arranged inside the transmission plate, and the bottom of the limiting rod is fixedly connected to the top of the mounting seat.

[0010] As a preferred embodiment of the utility model, a movable bearing is fixedly connected to the top of the surface of the limit rod, and the outer ring of the movable bearing is fixedly connected to the transmission plate.

[0011] As a preferred embodiment of the utility model, the front and rear sides of the top of the screening box are fixedly connected to support plates, the top of the support plate is movably inlaid with movable pins, a number of movable pins are provided and distributed in a circular shape with equal distances, and the movable pins are movably connected to the sealing plate.

[0012] As a preferred embodiment of the utility model, a protective plate is fixedly connected to the top of the limiting rod, and the protective plate is movably connected to the transmission plate.

[0013] As a preferred embodiment of the utility model, the bottom of the transmission plate is movably inlaid with balls, a plurality of the balls are provided and distributed in a ring shape with equal distances, and the top of the sealing plate is fixedly inlaid with an observation window.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a sealing plate so that the sealing plate can seal the feed pipe after closing, thereby solving the problem that the feed port is not sealed during use, so that when the device is not in use, external dust will enter the interior of the body through the feed port, thereby polluting and affecting the quality of the medicines, and has the advantages of sealing and dustproofing.

[0016] 2. The utility model sets a transmission component so that the motor can drive the gear to rotate after it is started, and the gear can drive the transmission plate to rotate through the teeth after it rotates. At the same time, the meshing of the teeth can drive the transmission plate to rotate outward synchronously, so that the sealing plate can be unfolded. Then, a limit rod is set so that the use of the limit rod can limit the transmission plate, so that the transmission plate can rotate according to the axis of the limit rod.

[0017] 3. The utility model provides a movable bearing so that the use of the movable bearing can reduce the friction between the limit rod and the transmission plate, making the transmission plate rotate more smoothly. The support plate and the movable pin are provided so that the support plate can support the sealing plate, thereby avoiding the phenomenon of the unfolded sealing plate falling. At the same time, the movable pin can reduce the friction between the sealing plate and the support plate, making the sealing plate move more smoothly on the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0020] Figure 3 It is a three-dimensional exploded schematic diagram of the mounting base of the utility model.

[0021] In the figure: 1. screening box; 2. screening net; 3. discharge port; 4. feed pipe; 5. mounting seat; 6. sealing plate; 7. transmission assembly; 71. transmission plate; 72. teeth; 73. motor; 74. gear; 8. limit rod; 9. movable bearing; 10. support plate; 11. movable pin; 12. protective plate; 13. ball bearing; 14. observation window. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figures 1 to 3As shown, the utility model provides a filtering device for screening pharmaceutical intermediates, comprising a screening box 1, a screening net 2, a discharge port 3 and a feed pipe 4, the screening net 2 is fixedly installed inside the screening box 1, a plurality of screening nets 2 are provided, the discharge ports 3 are opened on both sides of the screening box 1, a plurality of discharge ports 3 are opened, the feed pipe 4 is fixedly connected to the top of the screening box 1, a mounting seat 5 is fixedly connected to the right side of the top of the screening box 1, a sealing plate 6 is movably connected to the front and rear sides of the top of the feed pipe 4, and a transmission component 7 is fixedly connected to the right side of the sealing plate 6.

[0024] refer to Figure 3 The transmission assembly 7 includes a transmission plate 71, and a tooth 72 is fixedly connected to the surface of the transmission plate 71. The tooth 72 is provided with a plurality of teeth and is distributed in a ring shape with equal distances. The teeth 72 are meshed with the teeth 72. A motor 73 is fixedly installed on the front side of the top of the mounting seat 5. The output end of the motor 73 is fixedly connected to a gear 74, and the gear 74 is meshed with the teeth 72.

[0025] As a technical optimization scheme of the utility model, by setting up the transmission component 7, the motor 73 can drive the gear 74 to rotate after being started, and the gear 74 can drive the transmission plate 71 to rotate through the teeth 72 after rotating. At the same time, the meshing of the teeth 72 and the teeth 72 can drive the transmission plate 71 to rotate synchronously outward, thereby expanding the sealing plate 6.

[0026] refer to Figure 3 A limiting rod 8 is arranged inside the transmission plate 71 , and the bottom of the limiting rod 8 is fixedly connected to the top of the mounting seat 5 .

[0027] As a technical optimization solution of the present invention, by providing a limit rod 8 , the limit rod 8 can be used to limit the transmission plate 71 , so that the transmission plate 71 can rotate according to the axis of the limit rod 8 .

[0028] refer to Figure 3 A movable bearing 9 is fixedly connected to the top of the surface of the limiting rod 8 , and the outer ring of the movable bearing 9 is fixedly connected to the transmission plate 71 .

[0029] As a technical optimization solution of the utility model, by providing a movable bearing 9, the use of the movable bearing 9 can reduce the friction between the limit rod 8 and the transmission plate 71, so that the transmission plate 71 can rotate more smoothly.

[0030] refer to Figure 3 The front and rear sides of the top of the screening box 1 are fixedly connected with a support plate 10, and the top of the support plate 10 is movably inlaid with a movable pin 11. A plurality of movable pins 11 are arranged and distributed in a circular shape with equal distances. The movable pin 11 is movably connected to the sealing plate 6.

[0031] As a technical optimization solution of the utility model, by providing a support plate 10 and a movable pin 11, the support plate 10 can support the sealing plate 6, thereby preventing the unfolded sealing plate 6 from falling. At the same time, the movable pin 11 can reduce the friction between the sealing plate 6 and the support plate 10, so that the sealing plate 6 moves more smoothly on the support plate 10.

[0032] refer to Figure 3 A protective plate 12 is fixedly connected to the top of the limiting rod 8, and the protective plate 12 is movably connected to the transmission plate 71.

[0033] As a technical optimization solution of the utility model, by providing a protective plate 12, the protective plate 12 can protect the movable bearing 9 on the surface of the limiting rod 8 to prevent foreign matter from entering the movable bearing 9 and causing damage to the movable bearing 9.

[0034] refer to Figure 3 The bottom of the transmission plate 71 is movably inlaid with a ball 13, and a plurality of balls 13 are arranged and distributed in a ring shape with equal distances. The top of the sealing plate 6 is fixedly inlaid with an observation window 14.

[0035] As a technical optimization solution of the utility model, by providing the ball 13 and the observation window 14, the use of the ball 13 can reduce the friction between the transmission plate 71 and the mounting seat 5, and the use of the observation window 14 can facilitate the user to observe the inside of the feed pipe 4 through the sealing plate 6.

[0036] The working principle and use process of the utility model are as follows: when in use, the motor 73 on the mounting base 5 is started, so that the motor 73 can drive the gear 74 to rotate after starting, and the gear 74 can drive the transmission plate 71 to rotate through the teeth 72 meshing with the transmission plate 71 after rotating, so that the teeth 72 meshing between the transmission plates 71 can make the transmission plate 71 rotate in the opposite direction according to the axis of the limit rod 8, so that the transmission plate 71 drives the sealing plate 6 to unfold, thereby opening the feed pipe 4, and when the feed pipe 4 needs to be sealed, the steps are the same as above, so that the two sealing plates 6 are closed, thereby achieving the effect of sealing protection.

[0037] In summary, this filtering device for screening pharmaceutical intermediates, by providing a sealing plate 6, can seal the feed pipe 4 after the sealing plate 6 is closed, thereby solving the problem that the feed port is not sealed during use, so that when the device is not in use and idle, external dust will enter the interior of the body through the feed port, thereby contaminating and affecting the quality of the medicines.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filtering device for screening pharmaceutical intermediates, comprising a screening box (1), a screening net (2), a discharge port (3) and a feed pipe (4), characterized in that: The screening net (2) is fixedly installed inside the screening box (1), and a plurality of the screening nets (2) are provided. The discharge ports (3) are provided on both sides of the screening box (1), and a plurality of the discharge ports (3) are provided. The feed pipe (4) is fixedly connected to the top of the screening box (1), and a mounting seat (5) is fixedly connected to the right side of the top of the screening box (1). The front and rear sides of the top of the feed pipe (4) are movably connected to a sealing plate (6), and a transmission assembly (7) is fixedly connected to the right side of the sealing plate (6).

2. A filtering device for screening pharmaceutical intermediates according to claim 1, characterized in that: The transmission assembly (7) comprises a transmission plate (71), a surface of the transmission plate (71) is fixedly connected with teeth (72), a plurality of teeth (72) are provided and are distributed in a ring shape with equal distances, the teeth (72) mesh with the teeth (72), a motor (73) is fixedly mounted on the front side of the top of the mounting seat (5), an output end of the motor (73) is fixedly connected with a gear (74), and the gear (74) meshes with the teeth (72).

3. A filtering device for screening pharmaceutical intermediates according to claim 2, characterized in that: A limiting rod (8) is arranged inside the transmission plate (71), and the bottom of the limiting rod (8) is fixedly connected to the top of the mounting seat (5).

4. A filtering device for screening pharmaceutical intermediates according to claim 3, characterized in that: A movable bearing (9) is fixedly connected to the top of the surface of the limiting rod (8), and the outer ring of the movable bearing (9) is fixedly connected to the transmission plate (71).

5. The filtering device for screening pharmaceutical intermediates according to claim 1, characterized in that: The front and rear sides of the top of the screening box (1) are fixedly connected to a support plate (10), the top of the support plate (10) is movably inlaid with a movable pin (11), a plurality of movable pins (11) are provided and distributed in a circular shape with equal distances, and the movable pins (11) are movably connected to the sealing plate (6).

6. A filtering device for screening pharmaceutical intermediates according to claim 3, characterized in that: A protective plate (12) is fixedly connected to the top of the limiting rod (8), and the protective plate (12) is movably connected to the transmission plate (71).

7. A filtering device for screening pharmaceutical intermediates according to claim 2, characterized in that: A ball (13) is movably embedded in the bottom of the transmission plate (71), and a plurality of the ball (13) are arranged and distributed in an annular shape at equal distances. An observation window (14) is fixedly embedded in the top of the sealing plate (6).

Images