Liquid medicine filtering device for pharmaceutical manufacturing

Abstract

The utility model discloses a liquid medicine filtering device for pharmaceutical manufacturing, which comprises a filtering tank body, a sealing top cover is arranged at the top of the filtering tank body, a placing and positioning component is movably arranged in the filtering tank body, a filtering plate component is arranged on the placing and positioning component, and the side surface of the filtering plate component is tightly attached to the inner wall of the filtering tank body. The filter plate assembly comprises a filter frame and a filter plate body, and a placing groove is formed in the inner wall of the filter frame. According to the utility model, the placement positioning assembly and the filter plate assembly are arranged, and the filter plate assembly is movably placed in the filter tank body through the placement positioning assembly, so that the filter plate assembly is separated from the filter tank body, and after the sealing top cover is removed, the placement positioning assembly is lifted upwards to drive the filter plate body to be taken out from the interior of the filter tank body, so that the filter plate is convenient to clean; the filter plate body is pulled to translate from the opening of the placing groove to be separated from the placing groove, so that the filter plate body can be taken down, and the filter plate body is convenient to clean and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of medicine manufacturing, in particular to a liquid medicine filtering device for medicine manufacturing. Background Art

[0002] In the pharmaceutical manufacturing process, the drug liquid filtration device is one of the most important equipment. The drug liquid filtration device is mainly used to filter the drug liquid. One of the functions of the filtration operation is to improve the sterility of the drug liquid. The drug liquid is filtered through a microporous filter membrane to remove microorganisms and particles in the drug liquid, and finally the purpose of sterility of the drug liquid is achieved. The second function is to improve the purity and quality of the drug liquid. The impurities in the drug liquid are filtered through filter paper or filter plates with different pore sizes to improve the purity and quality of the drug liquid. The third function is to protect the production equipment and filter larger particles to avoid clogging of the equipment in the later production.

[0003] In the existing filtration technology, many of them are used to improve the purity and quality of the drug solution. When in use, the drug solution is drained from the outside into the drug solution filtration device, and the filter plate in the drug solution filtration device filters and purifies the drug solution. Therefore, the filter plate needs to be cleaned and replaced regularly. However, the existing filter plate is mostly integrated into the interior of the drug solution filtration device, which makes it difficult to clean and replace the filter plate, making it very inconvenient to combine the filter plate with the additional filtration.

[0004] Therefore, how to provide a liquid drug filtering device for pharmaceutical manufacturing is a problem that those skilled in the art need to solve urgently. Utility Model Content

[0005] One purpose of the utility model is to provide a liquid medicine filtering device for pharmaceutical manufacturing. The utility model solves the problem that the existing filter plate and liquid medicine filtering device are mostly designed as one body, which makes it difficult to clean and replace the filter plate.

[0006] According to an embodiment of the utility model, a liquid filtering device for pharmaceutical manufacturing includes a filter tank body, a sealed top cover is arranged on the top of the filter tank body, a placement and positioning component is movable inside the filter tank body, a filter plate component is arranged on the placement and positioning component, the side of the filter plate component is tightly fitted on the inner wall of the filter tank body, the filter plate component includes a filter frame and a filter plate body, a placement groove is arranged on the inner wall of the filter frame, one side of the placement groove passes through the filter frame, and the filter plate body moves inside the placement groove.

[0007] The placement and positioning assembly includes a top positioning ring and a bottom positioning ring, the top positioning ring is arranged between the filter tank body and the sealing top cover, the bottom positioning ring is movable on the inside of the filter tank body, a first guide rod and a second guide rod are respectively arranged between the top positioning ring and the bottom positioning ring, the first guide rod and the second guide rod are parallel to each other, a guide groove is opened on the side of the filter frame corresponding to the position of the first guide rod and the second guide rod, and the filter frame is movable on the surface of the first guide rod and the second guide rod through the guide groove.

[0008] The filter plate assembly also includes a position locking assembly, which includes a main lock body, a side surface of the filter frame embedded in the main lock body corresponding to the position of the guide groove, a side surface of the second guide rod away from the filter plate is provided with a lock groove, a surface of the main lock body corresponding to the position of the lock groove is provided with a lock piece groove, a lock block and a spring piece are movable inside the lock piece groove, the spring piece is movably sleeved on the surface of the lock block, one end of the spring piece is fitted on the surface of the fast protrusion, and the other end of the spring piece is movable on the inner wall of the lock piece groove away from the lock groove, a lock head is provided at one end of the lock block close to the lock groove, and when the lock head is stuck in the lock groove, the end of the lock block away from the lock head passes through the lock piece groove and fits on the inner wall of the filter tank body.

[0009] Sealing pads are arranged at the inner wall of the guide groove, the side surface of the filter frame and the joint position between the inner wall of the placement groove and the filter plate body.

[0010] The shape and size of the filter plate match the size and shape of the placement slot, and a hand-drawn groove is provided on one side of the filter plate where the placement slot passes through the filter frame.

[0011] The beneficial effects of the utility model are:

[0012] By setting a placement and positioning component and a filter plate component, the placement and positioning component can movably place the filter plate component inside the filter tank body, so that it is separately set from the filter tank body. After the sealing top cover is removed, the placement and positioning component can be lifted up to drive the filter plate body to be taken out from the inside of the filter tank body, so that the filter plate is convenient to clean. The filter plate body can be pulled to translate from the opening of the placement slot and separated from the placement slot to remove the filter plate body, which is convenient for cleaning and replacing the filter plate body. This solves the problem that the existing filter plate and liquid medicine filtering device are mostly designed as one body, which makes it difficult to clean and replace the filter plate.

[0013] By setting a position locking component, when the positioning component is placed to take the filter plate assembly out of the filter tank body, the filter frame is moved up and down to move it to a suitable position on the first guide rod and the second guide rod, so that the height of the filter frame can be adjusted. The movement of the filter frame will drive the filter plate body to be adjusted, thereby changing the position of the filter plate body inside the filter tank body. After the adjustment is completed, the position locking component will first position the filter frame, and then the filter plate assembly is placed into the filter tank body and the position locking component is positioned, so that the position locking component is stably corresponding to the lock groove to position the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1The utility model is a cross-sectional flow chart showing the position of a filter plate assembly in a liquid filtering device for pharmaceutical manufacturing.

[0016] Figure 2 The utility model is a kind of liquid filtering device for medicine manufacturing Figure 1 Flowchart at A in the figure.

[0017] Figure 3 The utility model is a partial three-dimensional flow chart of one side of a positioning component and a filter plate component placed in a liquid filtering device for pharmaceutical manufacturing.

[0018] Figure 4 This is a three-dimensional flow chart of the other side of a liquid filter device for pharmaceutical manufacturing proposed by the utility model, in which a positioning component and a filter plate component are placed.

[0019] Figure 5 The utility model is a three-dimensional flow chart of a filter frame and a filter plate body in a disassembled state in a liquid filtering device for pharmaceutical manufacturing.

[0020] The attached drawings indicate: 1. filter tank body; 2. sealing top cover; 3. placement and positioning assembly; 4. filter plate assembly; 5. filter frame; 6. filter plate body; 7. placement groove; 8. top positioning ring; 9. bottom positioning ring; 10. first guide rod; 11. second guide rod; 12. guide groove; 13. position locking assembly; 14. main lock body; 15. lock groove; 16. lock member groove; 17. lock block; 18. spring member; 19. lock head; 20. sealing gasket; 21. hand pull groove. DETAILED DESCRIPTION

[0021] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0022] Example 1

[0023] refer to Figure 1 , Figure 3 and Figure 4, including a filter tank body 1, a sealing top cover 2 is provided on the top of the filter tank body 1, and the sealing top cover 2 is an existing component, which is mainly used to seal the top of the filter tank body 1. The internal movement of the filter tank body 1 has a placement and positioning component 3, and the placement and positioning component 3 includes a top positioning ring 8 and a bottom positioning ring 9. The top positioning ring 8 is arranged between the filter tank body 1 and the sealing top cover 2, and the top positioning ring 8 is pressed by the sealing top cover 2 to stabilize the position of the first guide rod 10 and the second guide rod 11. This design does not affect the sealing between the filter tank body 1 and the sealing top cover 2. It should be noted here that the top positioning ring 8 is respectively provided with a sealing ring at the connection between the sealing top cover 2 and the top of the filter tank body 1 to improve the sealing performance of the connection position, and the bottom positioning ring 9 is movable on the inside of the filter tank body 1, and the first guide rod 10 and the second guide rod 11 are respectively provided between the top positioning ring 8 and the bottom positioning ring 9. The number of the first guide rods 10 is two. In this embodiment, the two first guide rods 10 are in the same plane. It should be noted that the two first guide rods 10 do not necessarily need to be in the same plane. In a plane, only a large enough range is needed between the first guide rod 10 and the second guide rod 11 to remove the filter plate body 6. The first guide rod 10 and the second guide rod 11 are parallel to each other. A guide groove 12 is provided on the side of the filter frame 5 corresponding to the position of the first guide rod 10 and the second guide rod 11. The size of the guide groove 12 matches the diameter of the first guide rod 10 and the second guide rod 11. In this way, in order to avoid the liquid from penetrating from the gap between the guide groove 12 and the first guide rod 10 and the second guide rod 11 and affecting the filtration quality, the filter frame 5 passes The guide groove 12 moves on the surface of the first guide rod 10 and the second guide rod 11, and the filter plate assembly 4 is arranged on the first guide rod 10 and the second guide rod 11. When the filter plate assembly 4 needs to be taken out, the sealing top cover 2 is opened, and then the top positioning ring 8 is moved upward to drive the first guide rod 10 and the second guide rod 11 to be taken out from the filter tank body 1. The removal of the first guide rod 10 and the second guide rod 11 from the filter tank body 1 will drive the filter plate assembly 4 to be taken out from the filter tank body 1, so that the filter plate assembly 4 can be easily taken out of the filter tank body 1 for cleaning.

[0024] Example 2

[0025] refer to Figure 4 and 5, the placement and positioning assembly 3 is provided with a filter plate assembly 4, and there are three groups of filter plate assemblies 4. Of course, the number of groups can be set according to the filtering requirements in actual use. The three groups of filter plate assemblies 4 here are used to filter the liquid medicine, and the side of the filter plate assembly 4 is tightly fitted on the inner wall of the filter tank body 1, so as to prevent the liquid medicine from penetrating from the gap between the side of the filter frame 5 and the inner wall of the filter tank body 1. The filter plate assembly 4 includes a filter frame 5 and a filter plate body 6. The filter frame 5 is designed in a "round cake" shape so that it fits the inner wall of the filter tank body 1. It should be noted that the shape of the filter frame 5 is designed according to the shape of the inner wall of the filter tank body 1, and it is not limited to the "round cake" shape. A placement groove 7 is provided on the inner wall of the filter frame 5. The placement groove 7 is mainly used to place the filter plate body 6. The inner wall of the guide groove 12, the side of the filter frame 5 and the inner wall of the placement groove 7 are all provided with a sealing gasket 20 at the joint with the filter plate body 6. Used to enhance the sealing of these connection positions, one side of the placement groove 7 passes through the filter frame 5, and the shape of the placement groove 7 is circular, so that it can be used in conjunction with the filter frame 5, so that there is an opening at the placement groove 7, and the length of the opening is the same as the diameter length of the placement groove 7, so that the filter plate body 6 can be easily taken out from the placement groove 7, and the filter plate body 6 moves inside the placement groove 7. The shape and size of the filter plate match the size and shape of the placement groove 7, and the height matching design is used to improve the tightness of the connection. The filter plate is located on the side of the placement groove 7 that passes through the filter frame 5 and is provided with a hand-pull groove 21. When replacing, after the filter plate assembly 4 is taken out from the filter tank body 1, the finger is pinched in the hand-pull groove 21 and then moved in the direction away from the placement groove 7, so that the filter plate body 6 is translated and separated from the placement groove 7, so that the filter plate body 6 can be cleaned and replaced, and it is also convenient to clean the filter frame 5 and the inside of the placement groove 7.

[0026] Example 3

[0027] refer to Figure 2 and Figure 3The filter plate assembly 4 also includes a position locking assembly 13, which is mainly used to locate the position of the filter frame 5, so as to facilitate the adjustment of the position of the filter plate assembly 4 and prevent the filter plate assembly 4 from being moved due to the impact of the liquid medicine when in use. The position locking assembly 13 includes a main lock body 14, and the side of the filter frame 5 embedded in the main lock body 14 corresponds to the position of the guide groove 12. The side of the second guide rod 11 is provided with a locking groove 15 away from the filter plate. The number of the locking grooves 15 is greater than one, and the locking grooves 15 greater than one are arranged along the surface of the second guide rod 11. A lock groove 16 is provided on the surface of the lock body 14 at a position corresponding to the lock groove 15. The lock groove 16 limits the spring member 18 and the lock block 17. The lock block 17 and the spring member 18 are respectively movable inside the lock groove 16. The spring member 18 is movably sleeved on the surface of the lock block 17. One end of the spring member 18 is attached to the surface of the fast protrusion. The other end of the spring member 18 is movable at a position of the inner wall of the lock groove 16 away from the lock groove 15. The elastic force of the spring member 18 pushes the lock block 17 to the position of the lock groove 15. A lock head 19 is provided at one end of the lock block 17 close to the lock groove 15. The lock block 17 pushed by the spring member 18 will drive The lock head 19 is stuck in the lock groove 15, so that the position of the filter frame 5 can be positioned. When the lock head 19 is stuck in the lock groove 15, the end of the lock block 17 away from the lock head 19 passes through the lock groove 16 and fits on the inner wall of the filter tank body 1. When one side of the lock block 17 fits on the inner wall of the filter tank body 1, the lock head 19 is stuck in the lock groove 15 to limit the position of the lock block 17, thereby preventing the lock head 19 from being separated from the lock groove 15 during use, ensuring that the positions of the filter frame 5 and the filter plate body 6 are locked during use, and preventing the filter frame 5 and the filter plate body 6 from moving under the impact of the liquid medicine. When adjusting, it is necessary to take out the filter plate assembly 4 from the filter tank body 1 by placing the positioning component 3. After taking it out, the locking block 17 is no longer limited by the filter tank body 1, and then the filter frame 5 is moved up and down, so that it drives the locking block 17 and the locking head 19 to move up and down. When the locking head 19 moves, it will be squeezed by the locking groove 15 and separated from the locking groove 15 at this position. When the filter frame 5 is adjusted to a suitable position, the locking block 17 and the locking head 19 will be squeezed by the spring member 18 and pushed toward the locking groove 15 at this position until the locking head 19 is stuck in the locking groove 15 to position the filter frame 5, thereby achieving the effect of adjusting the height of the filter frame 5 and the filter plate body 6.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A liquid medicine filtering device for pharmaceutical manufacturing, characterized in that: The invention comprises a filter tank body (1), a sealing top cover (2) is arranged on the top of the filter tank body (1), a positioning assembly (3) is movably arranged inside the filter tank body (1), a filter plate assembly (4) is arranged on the positioning assembly (3), the side of the filter plate assembly (4) is tightly fitted on the inner wall of the filter tank body (1), the filter plate assembly (4) comprises a filter frame (5) and a filter plate body (6), a placement groove (7) is arranged on the inner wall of the filter frame (5), one side of the placement groove (7) passes through the filter frame (5), and the filter plate body (6) is movable inside the placement groove (7).

2. A liquid medicine filtering device for pharmaceutical manufacturing according to claim 1, characterized in that: The placement and positioning assembly (3) comprises a top positioning ring (8) and a bottom positioning ring (9), wherein the top positioning ring (8) is arranged between the filter tank body (1) and the sealing top cover (2), and the bottom positioning ring (9) is movable on the inside of the filter tank body (1), and a first guide rod (10) and a second guide rod (11) are respectively arranged between the top positioning ring (8) and the bottom positioning ring (9), and the first guide rod (10) and the second guide rod (11) are parallel to each other, and a guide groove (12) is provided on the side surface of the filter frame (5) corresponding to the position of the first guide rod (10) and the second guide rod (11), and the filter frame (5) is movable on the surface of the first guide rod and the second guide rod (11) through the guide groove (12).

3. A liquid medicine filtering device for pharmaceutical manufacturing according to claim 2, characterized in that: The filter plate assembly (4) further comprises a position locking assembly (13), wherein the position locking assembly (13) comprises a main lock body (14), wherein the side surface of the main lock body (14) is embedded in the filter frame (5) at a position corresponding to the guide groove (12), a locking groove (15) is provided on the side surface of the second guide rod (11) away from the filter plate, a locking element groove (16) is provided on the surface of the main lock body (14) at a position corresponding to the locking groove (15), and a locking block (17) and a spring element (18) are respectively movable inside the locking element groove (16), and the spring element (18) is provided to lock the filter frame (5). The spring member (18) is movably sleeved on the surface of the lock block (17), one end of the spring member (18) is attached to the surface of the protrusion, and the other end of the spring member (18) is movably located at a position of the inner wall of the lock member groove (16) away from the lock groove (15). A lock head (19) is arranged at one end of the lock block (17) close to the lock groove (15). When the lock head (19) is stuck in the lock groove (15), the end of the lock block (17) away from the lock head (19) passes through the lock member groove (16) and then attaches to the inner wall of the filter tank body (1).

4. A liquid medicine filtering device for pharmaceutical manufacturing according to claim 3, characterized in that: Sealing pads (20) are provided at the locations where the inner wall of the guide groove (12), the side surface of the filter frame (5), the inner wall of the placement groove (7) and the filter plate body (6) are in contact with each other.

5. A liquid medicine filtering device for pharmaceutical manufacturing according to claim 4, characterized in that: The shape and size of the filter plate match the size and shape of the placement groove (7), and a hand-drawn groove (21) is provided on one side of the filter plate where the placement groove (7) passes through the filter frame (5).

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