A drying device for a depth filtration cardboard used in biopharmaceutical filtration

Abstract

The present invention relates to the technical field of filter paperboard drying, and discloses a drying device for a deep - layer filter paperboard used in biopharmaceutical filtration, which includes a drying and baking box. At the bottom end inside the drying and baking box, a detection and collection mechanism is placed. On both sides of the center at the top of the detection and collection mechanism, center fixing mechanisms are fixedly connected. On the sides of the two center fixing mechanisms, leveling and water - removing mechanisms are movably connected. On both sides of the two leveling and water - removing mechanisms, side fixing mechanisms are movably connected. Inside the two center fixing mechanisms, paperboards to be dried are placed; in the present invention, by placing the paperboards to be dried between the two leveling and water - removing mechanisms, when the servo motor starts, the reciprocating lead screw drives the leveling plate to move. When the leveling plate moves, the water in the paperboards to be dried is squeezed, and the water in the paperboards to be dried is pushed to both sides or the middle as the leveling plate moves. At this time, the water will be squeezed out by the center fixing mechanism and the side fixing mechanism, so that the paperboards to be dried can be quickly dried.

Description

Technical Field

[0001] The present invention relates to the technical field of drying filter paperboards, and more particularly to a drying device for a depth filter paperboard used in biopharmaceutical filtration. Background Art

[0002] A depth filter paperboard is a depth filtration medium composed of natural plant fibers, high-efficiency filter aids, and a cationic resin composite. It removes liquid impurities through two mechanisms: mechanical interception and electrostatic adsorption. The depth filter paperboard is mainly applied to the filtration and separation links of products in the fields of biotechnology, biological products, blood products, and transgenic products.

[0003] The uses of the depth filter paperboard include rough filtration, clarification, fine filtration, as well as microbial degradation and removal. It is more suitable for the effective and safe separation of colloidal haze, ultrafine particles, and microorganisms. The upper layer of the depth filter paperboard has relatively loose pores. Large impurity particles can be blocked on the surface, and small particle impurities are intercepted at different longitudinal gradients of the filter material. After the depth filter paperboard is used for filtration, it needs to be cleaned and dried so that it can be reused. Moreover, when new depth filter paperboards are produced, they also need to be dried. Therefore, drying is an important production process for filter paperboards.

[0004] When drying the depth filter paperboard, it is generally placed in a drying oven, and the high temperature generated by the drying oven is used to dry it. However, when the drying oven is drying, since the depth filter paperboard contains a large amount of water, the drying efficiency is poor at this time. Therefore, a large amount of time is required to complete the drying work of the depth filter paperboard, so its drying efficiency is low.

[0005] When the depth filter paperboard is dried from a water-containing state to a dry state, since the water inside it will continuously drain out, after the final drying is completed, there will be certain wrinkles on its surface. When the wrinkles appear, the quality of the depth filter paperboard will be affected to a certain extent when it is used again. When the wrinkles are too large, it will directly cause the depth filter paperboard to be unable to be used continuously. Summary of the Invention

[0006] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a drying device for a depth filter paperboard used in biopharmaceutical filtration to solve the technical problems raised in the background art.

[0007] To achieve the above object, the present invention provides the following technical solution: A drying device for a deep filtration cardboard used in biopharmaceutical filtration, including a drying and baking box. At the bottom end inside the drying and baking box, a detection and collection mechanism is placed. On both sides of the center at the top of the detection and collection mechanism, a center fixing mechanism is fixedly connected. On the sides of the two center fixing mechanisms, a leveling and water removal mechanism is movably connected. On both sides of the two leveling and water removal mechanisms, a side fixing mechanism is movably connected. Inside the two center fixing mechanisms, cardboard to be dried is placed. At the top of the detection and collection mechanism, a temperature sensor is fixedly connected. Inside the detection and collection mechanism, a humidity sensor is fixedly connected;

[0008] The leveling and water removal mechanism includes a servo motor that can provide power. On the side of the servo motor, a reciprocating lead screw is fixedly connected. On both sides of the reciprocating lead screw, a leveling plate is movably connected. On the side of the reciprocating lead screw away from the servo motor, a transmission gear is fixedly connected. The transmission gear rotates synchronously with the transmission gear on the other side through a connecting gear. The two reciprocating lead screws rotate synchronously. The side of the leveling plate is in contact with the side of the cardboard to be dried.

[0009] In a preferred embodiment, the leveling plates on the sides of each reciprocating lead screw move synchronously towards each other or in the opposite direction, and the leveling plates on the sides of the two reciprocating lead screws move synchronously. The connecting gear and the transmission gear are both located inside a connecting box. The bottom end of the connecting box is fixedly connected to the top of the detection and collection mechanism.

[0010] In a preferred embodiment, the center fixing mechanism includes a center fixing plate for support. Inside the center fixing plate, a limiting hole for the connecting cylinder to move is opened. Inside the limiting hole of the connecting cylinder, a limiting rod is fixedly connected. On the side of the connecting cylinder away from the limiting rod, a center plate is fixedly connected. On the side of the center fixing plate, an avoidance groove for the center plate to move is opened.

[0011] In a preferred embodiment, inside the connecting cylinder, a sliding groove for the limiting rod to move is opened. On the side of the limiting rod, a support spring is movably connected. At the top and bottom of the center plate, a connecting block is fixedly connected. On the side of the two connecting blocks away from the center plate, a moving inclined plate is fixedly connected.

[0012] In a preferred embodiment, on the top of one leveling plate close to the center fixing plate, a connecting inclined plate is fixedly connected. On the bottom of the other leveling plate close to the center fixing plate, a connecting inclined plate is fixedly connected. The side of the connecting inclined plate is adapted to the side of the moving inclined plate.

[0013] In a preferred embodiment, the side fixing mechanism includes a side fixing plate for support. A limiting hole for the side panel to move is provided inside the side fixing plate. An electromagnet is fixedly connected inside the limiting hole of the side fixing plate. A side panel is movably connected to the side of the electromagnet. A magnetic block is fixedly connected to the side of the side panel away from the electromagnet.

[0014] In a preferred embodiment, the sides of the magnetic block, the central plate, and the flat plate are in the same plane. Support blocks are fixedly connected to both the top and bottom of the side fixing plate. A reciprocating lead screw is movably connected inside the support block at the top. A connecting rod is movably connected inside the support block at the bottom. A limiting hole adapted to the connecting rod is provided inside the flat plate.

[0015] In a preferred embodiment, the detection and collection mechanism includes a bevel gear that rotates synchronously with the reciprocating lead screw. A gear rod is engaged with the bottom of the bevel gear. A connecting shaft is engaged with the bottom of the gear rod. A blade is fixedly connected to the side of the connecting shaft. A protection block is movably connected to the side of the gear rod. A collection box is fixedly connected to the bottom of the protection block. A through hole is provided at the top of the collection box. An inclined panel is fixedly connected inside the collection box. A drain pipe is fixedly connected to the lower end of the inclined surface of the inclined panel. The blade is located above the upper end of the inclined surface of the inclined panel.

[0016] The technical effects and advantages of the present invention:

[0017] 1. In the present invention, by providing a servo motor, a reciprocating lead screw, and a flat plate, the cardboard to be dried is placed between two flat water removal mechanisms. When the servo motor is started, the flat plate is driven to move by the reciprocating lead screw. When the flat plate moves, the water in the cardboard to be dried is squeezed, and the water in the cardboard to be dried is pushed to both sides or the middle as the flat plate moves. At this time, the water will be squeezed out by the central fixing mechanism and the side fixing mechanism, so that the cardboard to be dried can be quickly dried.

[0018] 2. In the present invention, by providing a flat plate, a central fixing mechanism, and a side fixing mechanism, when the flat plate moves outwards, the central plates in the two central fixing mechanisms move inwards at this time to fix the cardboard to be dried. When the flat plate moves inwards, when the magnetic blocks in the side fixing mechanisms on both sides of the cardboard to be dried move inwards at this time, the two sides of the cardboard to be dried are fixed. When the flat plate moves, the cardboard to be dried will not move. While squeezing out the water from the cardboard to be dried, the central fixing mechanism and the side fixing mechanism can keep the cardboard to be dried in a flat state all the time, so that the cardboard to be dried is relatively flat after drying.

[0019] 3. In the present invention, with the provision of blades, a collection box, and an inclined panel, when the water in the cardboard to be dried is squeezed out, it will fall on the collection box at this time, enter the inclined panel through the through holes on the collection box, and when the blades rotate, the water on the inclined panel is blown into the drain pipe and discharged through the drain pipe, preventing the squeezed-out water from evaporating back into the cardboard to be dried and improving the drying efficiency of the cardboard to be dried. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 is a schematic diagram of the structure of the present invention after removing the drying and baking box.

[0022] Figure 3 is a schematic diagram of the structure of the position where the cardboard to be dried is located in the present invention.

[0023] Figure 4 is a schematic diagram of the structure of the flat water removal mechanism of the present invention.

[0024] Figure 5 is a schematic diagram of the internal structure of the connection box of the present invention.

[0025] Figure 6 is a schematic diagram of the overall of the central fixing mechanism and the side fixing mechanism of the present invention.

[0026] Figure 7 is a schematic diagram of the structure of the central fixing mechanism of the present invention.

[0027] Figure 8 is a schematic diagram of the structure of the side fixing mechanism of the present invention.

[0028] Figure 9 is a schematic diagram of the detection and collection mechanism of the present invention.

[0029] Figure 10 is a schematic diagram of the internal structure of the collection box of the present invention.

[0030] The reference numerals are: 1, drying and baking oven; 2, detection and collection mechanism; 201, bevel gear; 202, gear rod; 203, protection block; 204, connecting shaft; 205, blade; 206, collection box; 207, inclined panel; 208, drain pipe; 3, central fixing mechanism; 301, central fixing plate; 302, moving inclined plate; 303, connecting block; 304, connecting cylinder; 305, central plate; 306, connecting inclined plate; 307, limiting rod; 308, support spring; 4, side fixing mechanism; 401, side fixing plate; 402, support block; 403, magnetic block; 404, side panel; 405, electromagnet; 5, flattening and water removing mechanism; 501, servo motor; 502, reciprocating lead screw; 503, flattening plate; 504, connecting box; 505, connecting rod; 506, driving gear; 507, connecting gear; 6, temperature sensor; 7, cardboard to be dried; 8, humidity sensor. Detailed implementation manners

[0031] Next, the technical solutions in the present invention will be clearly and completely described in conjunction with the drawings in the present invention. In addition, the forms of each structure described in the following embodiments are merely examples, and a drying device for a deep filtration cardboard for biopharmaceutical filtration involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0032] Referring to Figure 1 , Figure 2 and Figure 10 , the present invention provides a drying device for a deep filtration cardboard for biopharmaceutical filtration, including a drying and baking oven 1. At the bottom end inside the drying and baking oven 1, a detection and collection mechanism 2 is placed. On both sides of the center at the top of the detection and collection mechanism 2, a central fixing mechanism 3 is fixedly connected. On the sides of the two central fixing mechanisms 3, a flattening and water removing mechanism 5 is movably connected. On both sides of the two flattening and water removing mechanisms 5, a side fixing mechanism 4 is movably connected. Inside the two central fixing mechanisms 3, a cardboard to be dried 7 is placed. At the top of the detection and collection mechanism 2, a temperature sensor 6 is fixedly connected. Inside the detection and collection mechanism 2, a humidity sensor 8 is fixedly connected.

[0033] In the embodiment of the present application, when the present application is drying, the number of the detection and collection mechanisms 2 is set to three. However, in actual use, it can be set according to the actual production situation. And on each detection and collection mechanism 2, two flattening and water removing mechanisms 5, two central fixing mechanisms 3 and four side fixing mechanisms 4 are provided. And the above mechanisms are equally spaced on both sides above the detection and collection mechanism 2. And the cardboard to be dried 7 is placed between the central fixing mechanisms 3. Before drying, it is only necessary to place the cardboard to be dried 7 into the central fixing mechanism 3, and the subsequent fixing work will be automatically completed.

[0034] Referring to Figure 2 、 Figure 4 and Figure 5 , the water-removing and flattening mechanism 5 includes a servo motor 501 that can provide power. A reciprocating lead screw 502 is fixedly connected to the side of the servo motor 501. Flattening plates 503 are movably connected to both sides of the reciprocating lead screw 502. A transmission gear 506 is fixedly connected to the side of the reciprocating lead screw 502 away from the servo motor 501. The transmission gear 506 rotates synchronously with the transmission gear 506 on the other side through a connecting gear 507. The two reciprocating lead screws 502 rotate synchronously. The side of the flattening plate 503 is in contact with the side of the cardboard to be dried 7. The flattening plates 503 on the side of each reciprocating lead screw 502 move synchronously towards or away from each other, and the flattening plates 503 on the sides of the two reciprocating lead screws 502 move synchronously. The connecting gear 507 and the transmission gear 506 are both located in the connecting box 504. The bottom end of the connecting box 504 is fixedly connected to the top end of the detection and collection mechanism 2.

[0035] In the embodiment of the present application, when the cardboard to be dried 7 is placed, at this time, the flattening plate 503 will move. When the flattening plate 503 moves, the water in the cardboard to be dried 7 is squeezed, and the water in the cardboard to be dried 7 is pushed to both sides or the middle as the flattening plate 503 moves. At this time, the water will be squeezed out by the central fixing mechanism 3 and the side fixing mechanism 4. Therefore, the water in the cardboard to be dried 7 can be squeezed out. At this time, the water content in the cardboard to be dried 7 is reduced. Therefore, there is no need for a long-time drying operation. The present application can perform rapid drying. Moreover, the number of flattening plates 503 is four, and the cardboard to be dried 7 can be mutually squeezed between every two flattening plates 503. In addition, the reciprocating lead screw 502 of the present application is divided into two parts. Its central part is a smooth cylinder and is connected to the central fixing mechanism 3. The two sides of the reciprocating lead screw 502 are mirror-symmetrical.

[0036] Referring to Figure 6 and Figure 7, the central fixing mechanism 3 includes a central fixing plate 301 for support. A limiting hole for the movement of the connecting cylinder 304 is provided inside the central fixing plate 301. A limiting rod 307 is fixedly connected inside the limiting hole of the connecting cylinder 304. A central plate 305 is fixedly connected to the side of the connecting cylinder 304 away from the limiting rod 307. An avoidance groove for the movement of the central plate 305 is provided on the side of the central fixing plate 301. A sliding groove for the movement of the limiting rod 307 is provided inside the connecting cylinder 304. A support spring 308 is movably connected to the side of the limiting rod 307. Connecting blocks 303 are fixedly connected to both the top end and the bottom end of the central plate 305. Moving inclined plates 302 are fixedly connected to the sides of the two connecting blocks 303 away from the central plate 305. Connecting inclined plates 306 are fixedly connected to the top end of one flat plate 503 close to the central fixing plate 301 and to the bottom end of the other flat plate 503 close to the central fixing plate 301. The side of the connecting inclined plate 306 is adapted to the side of the moving inclined plate 302.

[0037] In the embodiment of the present application, when the two flat plates 503 drive the connecting inclined plate 306 to move inwards, at this time the connecting inclined plate 306 will contact the moving inclined plate 302, so that the moving inclined plate 302 moves inwards. When the moving inclined plate 302 moves, it drives the central plate 305 to move through the connecting block 303. When the central plate 305 moves away, avoidance can be carried out to facilitate the placement of the cardboard 7 to be dried. And when the central plate 305 moves towards the central fixing plate 301, it drives the connecting cylinder 304 to move, thereby compressing the support spring 308. Therefore, when the connecting inclined plate 306 moves away from the position where the moving inclined plate 302 is located, at this time the support spring 308 resets and makes the central plate 305 reset, the cardboard 7 to be dried can be fixed and the water in the cardboard 7 to be dried can be squeezed out. And the connecting inclined plate 306 drives the moving inclined plate 302 to move respectively from the top end and the bottom end, so that the central plate 305 is stressed in both the up and down directions when moving, improving the stability when it moves.

[0038] Refer to Figure 6 And Figure 8 , the side fixing mechanism 4 includes a side fixing plate 401 for support. A limiting hole for the movement of the side panel 404 is provided inside the side fixing plate 401. An electromagnet 405 is fixedly connected inside the limiting hole of the side fixing plate 401. A side panel 404 is movably connected to the side of the electromagnet 405. A magnetic block 403 is fixedly connected to the side of the side panel 404 away from the electromagnet 405. The sides of the magnetic block 403, the central plate 305 and the flat plate 503 are in the same plane. Support blocks 402 are fixedly connected to both the top end and the bottom end of the side fixing plate 401. A reciprocating lead screw 502 is movably connected inside the top support block 402. A connecting rod 505 is movably connected inside the bottom support block 402. A limiting hole adapted to the connecting rod 505 is provided inside the flat plate 503.

[0039] In the embodiment of the present application, when the electromagnet 405 is energized forward, a magnetic attraction force is generated between the electromagnet 405 and the side panel 404. The side panel 404 drives the magnetic block 403 to move inward for avoidance. At this time, it is convenient to place the cardboard 7 to be dried. When the electromagnet 405 is energized reversely and a magnetic repulsion force is generated between the electromagnet 405 and the side panel 404, the magnetic block 403 can clamp the cardboard 7 to be dried and extrude water. The sides of the magnetic block 403, the central plate 305 and the flat plate 503 are in the same plane. When fixing the cardboard 7 to be dried, it can ensure that the cardboard 7 to be dried is flat enough.

[0040] Refer to Figure 9 and Figure 10 , the detection and collection mechanism 2 includes a bevel gear 201 that rotates synchronously with the reciprocating lead screw 502. A gear rod 202 is engaged with the bottom end of the bevel gear 201. A connecting shaft 204 is engaged with the bottom end of the gear rod 202. A blade 205 is fixedly connected to the side of the connecting shaft 204. A protection block 203 is movably connected to the side of the gear rod 202. A collection box 206 is fixedly connected to the bottom end of the protection block 203. A through hole is opened at the top of the collection box 206. An inclined panel 207 is fixedly connected to the inside of the collection box 206. A drain pipe 208 is fixedly connected to the low end of the inclined surface of the inclined panel 207. The blade 205 is located above the high end of the inclined surface of the inclined panel 207.

[0041] In the embodiment of the present application, when the reciprocating lead screw 502 rotates, it will drive the bevel gear 201 to rotate, and finally make the blade 205 rotate. When the blade 205 rotates, it blows the water on the inclined panel 207 into the drain pipe 208. And the top end of the inclined panel 207 is an inclined surface, which is convenient for water to flow out and is discharged through the drain pipe 208, avoiding the re-evaporation of the extruded water back into the cardboard 7 to be dried, improving the drying efficiency of the cardboard 7 to be dried. And the humidity sensor 8 can detect the humidity in the collection box 206, while the temperature sensor 6 detects the temperature in the drying and baking box 1, and adjusts the drying power immediately.

[0042] The working principle of the present invention: Before drying, at this time, the flat plate 503 is in contact with the side surface of the central fixing plate 301. Therefore, the connecting inclined plate 306 will drive the moving inclined plate 302 to move. When the moving inclined plate 302 moves, it drives the connecting cylinder 304 to move towards the central fixing plate 301 through the connecting block 303. The connecting cylinder 304 drives the central plate 305 to move for avoidance. And when the electromagnet 405 is energized forward, a magnetic attraction force is generated between the electromagnet 405 and the side panel 404. The side panel 404 drives the magnetic block 403 to move inward for avoidance. At this time, the cardboard 7 to be dried can be placed between a group of two central fixing mechanisms 3 and the flat and water-removing mechanism 5;

[0043] During drying, structures such as the cardboard 7 to be dried, the central fixing mechanism 3 for limiting, and the side fixing mechanism 4 are all placed into the drying oven 1. The door of the drying oven 1 is closed. At this time, the drying oven 1 performs the drying operation. When the drying oven 1 is drying, the servo motor 501 starts and drives the reciprocating lead screw 502 to rotate. When the reciprocating lead screw 502 rotates, the two flat plates 503 move towards or away from each other, and the flat plates 503 in the two flat water removing mechanisms 5 move to the same position. When the flat plate 503 moves outwards, at this time, the connecting inclined plate 306 moves from the side of the moving inclined plate 302, and the two central plates 305 reset and fix the center of the cardboard 7 to be dried. When the flat plate 503 moves outwards, it will squeeze the water in the cardboard 7 to be dried to both sides;

[0044] When the flat plate 503 moves to both sides of the cardboard 7 to be dried and turns to move inwards, the electromagnet 405 is energized in the reverse direction and generates a magnetic repulsive force with the side panel 404. Therefore, the magnetic block 403 will move inwards. At this time, the four, that is, two groups of magnetic blocks 403 move inwards to fix both sides of the cardboard 7 to be dried. When the magnetic block 403 moves inwards, it will also squeeze the water pushed to both sides of the cardboard 7 to be dried downwards. When the magnetic block 403 moves inwards, the connecting inclined plate 306 contacts the moving inclined plate 302, and again causes the central plate 305 to move outwards. The flat plate 503 pushes the water to the middle of the cardboard 7 to be dried and then moves outwards again. At this time, the electromagnet 405 is energized in the forward direction, and after the connecting inclined plate 306 moves away, the central plate 305 moves inwards to squeeze the water downwards;

[0045] The water squeezed downwards will fall on the collection box 206 and enter the inclined panel 207 through the through holes on the collection box 206. When the reciprocating lead screw 502 rotates, it will drive the bevel gear 201 to rotate. When the bevel gear 201 rotates, it drives the connecting shaft 204 to rotate through the gear rod 202, and further causes the blade 205 to rotate. When the blade 205 rotates, it blows the water on the inclined panel 207 into the drain pipe 208 and discharges it through the drain pipe 208, preventing the squeezed water from evaporating back into the cardboard 7 to be dried again and improving the drying efficiency of the cardboard 7 to be dried.

[0046] Finally: The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A drying device for a depth filtration cardboard for biopharmaceutical filtration, comprising a drying and baking box (1), characterized in that: At the bottom inside the drying and baking oven (1), a detection and collection mechanism (2) is placed. On both sides of the center at the top of the detection and collection mechanism (2), a center fixing mechanism (3) is fixedly connected. On the sides of the two center fixing mechanisms (3), a flattening and water removal mechanism (5) is movably connected. On both sides of the two flattening and water removal mechanisms (5), a side fixing mechanism (4) is movably connected. Inside the two center fixing mechanisms (3), a cardboard to be dried (7) is placed. At the top of the detection and collection mechanism (2), a temperature sensor (6) is fixedly connected. Inside the detection and collection mechanism (2), a humidity sensor (8) is fixedly connected; The flattening and water removal mechanism (5) includes a servo motor (501) that can provide power. On the side of the servo motor (501), a reciprocating lead screw (502) is fixedly connected. On both sides of the reciprocating lead screw (502), a flattening plate (503) is movably connected. On the side of the reciprocating lead screw (502) away from the servo motor (501), a transmission gear (506) is fixedly connected. The transmission gear (506) rotates synchronously with the transmission gear (506) on the other side through a connecting gear (507). The two reciprocating lead screws (502) rotate synchronously. The side of the flattening plate (503) is in contact with the side of the cardboard to be dried (7); The center fixing mechanism (3) includes a center fixing plate (301) for support. Inside the center fixing plate (301), a limiting hole for the movement of a connecting cylinder (304) is opened. Inside the limiting hole of the connecting cylinder (304), a limiting rod (307) is fixedly connected. On the side of the connecting cylinder (304) away from the limiting rod (307), a center plate (305) is fixedly connected. On the side of the center fixing plate (301), an avoidance groove for the movement of the center plate (305) is opened; Inside the connecting cylinder (304), a sliding groove for the movement of the limiting rod (307) is opened. On the side of the limiting rod (307), a support spring (308) is movably connected. At the top and bottom of the center plate (305), a connecting block (303) is fixedly connected. On the sides of the two connecting blocks (303) away from the center plate (305), a moving inclined plate (302) is fixedly connected; On the top of one flattening plate (503) close to the center fixing plate (301), a connecting inclined plate (306) is fixedly connected. On the bottom of the other flattening plate (503) close to the center fixing plate (301), a connecting inclined plate (306) is fixedly connected. The side of the connecting inclined plate (306) is adapted to the side of the moving inclined plate (302).

2. The drying device for the deep filtration cardboard used in biopharmaceutical filtration according to claim 1, wherein: On the side of each reciprocating lead screw (502), the flattening plates (503) move synchronously towards or away from each other, and the flattening plates (503) on the sides of the two reciprocating lead screws (502) move synchronously. The connecting gear (507) and the transmission gear (506) are both located inside a connecting box (504). The bottom of the connecting box (504) is fixedly connected to the top of the detection and collection mechanism (2).

3. The drying device for the deep filtration cardboard used in biopharmaceutical filtration according to claim 1, characterized in that: The side fixing mechanism (4) includes a side fixing plate (401) for support. A limiting hole for the movable side panel (404) is formed inside the side fixing plate (401). An electromagnet (405) is fixedly connected inside the limiting hole of the side fixing plate (401). The side of the electromagnet (405) is movably connected to the side panel (404). A magnetic block (403) is fixedly connected to the side of the side panel (404) away from the electromagnet (405).

4. The drying device for a depth filtration cardboard for biopharmaceutical filtration according to claim 3, characterized in that: The sides of the magnetic block (403), the central plate (305), and the flat plate (503) are in the same plane. Support blocks (402) are fixedly connected to both the top and bottom of the side fixing plate (401). A reciprocating lead screw (502) is movably connected inside the support block (402) at the top. A connecting rod (505) is movably connected inside the support block (402) at the bottom. A limiting hole adapted to the connecting rod (505) is formed inside the flat plate (503).

5. The drying device for a deep filtration cardboard for biopharmaceutical filtration according to claim 1, characterized in that: The detection and collection mechanism (2) includes a bevel gear (201) that rotates synchronously with the reciprocating lead screw (502). A gear rod (202) is engaged with the bottom of the bevel gear (201). A connecting shaft (204) is engaged with the bottom of the gear rod (202). A blade (205) is fixedly connected to the side of the connecting shaft (204). A protection block (203) is movably connected to the side of the gear rod (202). A collection box (206) is fixedly connected to the bottom of the protection block (203). A through hole is formed at the top of the collection box (206). An inclined panel (207) is fixedly connected inside the collection box (206). A drain pipe (208) is fixedly connected to the low end of the inclined surface of the inclined panel (207). The blade (205) is located above the high end of the inclined surface of the inclined panel (207).

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