A solid-liquid separation process and system for extracting plant extracts

Abstract

The present invention discloses a solid-liquid separation process and system for the extraction of plant extracts, which relates to the technical field of solid-liquid separation equipment and includes a filtration barrel. A filter mesh cover is installed inside the filtration barrel. The top end of the filter mesh cover is fixedly connected with a feeding filter mesh. A conical surface is arranged on the outer wall of the feeding filter mesh. An extrusion auxiliary member, a connector, and an automatic discharging assembly are arranged inside the feeding filter mesh. By setting the extrusion auxiliary member and the liquid discharging unit, when the arc-shaped pressing block rotates to push the solid fixed inside the filter mesh cover into the empty shell, and then when the arc-shaped pressing block enters the inner cavity of the empty shell, the solid fibers filtered from the plant extract are extruded, so that the extruded liquid enters the diversion chamber through the partition filter mesh and then is introduced into the filtration barrel through the one-way discharging valve, thereby recovering the liquid remaining in the plant fibers and avoiding liquid waste.

Description

Technical Field

[0001] The present invention relates to the technical field of solid-liquid separation equipment, and specifically to a solid-liquid separation process and system for plant extract extraction. Background Art

[0002] Plants refer to eukaryotes that have chlorophyll and cell walls and can carry out autotrophy. Plants contain a variety of beneficial substances. Therefore, in order to obtain more and more complete beneficial substances from plants, the beneficial substances in plants are mainly purified. During the purification process, it is necessary to first obtain the plant extract. After obtaining the extract, it is then separated and purified to obtain a plant extract product with a higher purity. Therefore, special solid-liquid separation equipment is required to separate the solids and liquids in the extract.

[0003] According to the patent publication number "CN111729381B" for "A Plant Extract Separation and Purification Device for Extracting High-Value Products", it includes a support mechanism, a filter screen assembly, a distillation mechanism, and a condensation mechanism. Inside the support mechanism, a filter screen assembly for filtering the extract is movably arranged, and on one side of the support mechanism, a distillation mechanism for distilling the filtered extract is movably arranged. By setting the support mechanism and the filter screen assembly, when holding the first movable cylinder and lifting it upward, the first movable cylinder can be separated from the connecting cylinder. Then, when holding the second movable cylinder and lifting it upward, the second movable cylinder can be separated from the connecting cylinder, and the filter screen body can be cleaned. The disassembly method of the first movable cylinder and the second movable cylinder of this device is simple and fast, and the assembly is convenient, solving the problem that the filter screen inside the conventional separation and purification device is not easy to clean and ensuring the purification processing efficiency.

[0004] Although the above patent can achieve the function of cleaning its interior by disassembling the filter screen, the following problems still exist in the above patent:

[0005] In the above patent, the filter screen can only be disassembled and cleaned when the device is not in use, but it is impossible to clean the solids docked at the top of the filter screen during the use of the device, resulting in the pores of the filter screen being easily blocked during use, thereby affecting the filtering effect of the filter screen;

[0006] After separating the solids and liquids in the above patent, since the solids in the plant extract are generally residual plant fibers, there will be residual liquid in the plant fibers after being filtered by the filter screen, and it cannot be filtered, resulting in waste of liquid. Summary of the Invention

[0007] The purpose of the present invention is to provide a solid-liquid separation process and system for plant extract extraction in order to solve the problems that the filter screen is easily blocked during use and the solids filtered out are prone to residual liquid, resulting in waste of liquid.

[0008] To achieve the above object, the present invention provides the following technical solution: a solid-liquid separation system for extracting plant extracts, including a filtration barrel, wherein a filter mesh cover is installed inside the filtration barrel, a guide filter screen is fixedly connected to the top end of the filter mesh cover, a conical surface is arranged on the outer wall of the guide filter screen, an extrusion auxiliary member is arranged inside the guide filter screen, a hollow shell is fixedly connected to the inside of the filter mesh cover, arc-shaped partitions are symmetrically arranged inside the hollow shell, the arc-shaped partitions are horizontally slidably connected to the hollow shell, a first fixing block is fixedly connected to the inside of the hollow shell, second springs are fixedly connected to the outer walls on both sides of the first fixing block, one end of each second spring is fixedly connected to the arc-shaped partition, a connector is arranged between the top end of the hollow shell and the arc-shaped partition, and an automatic discharging component penetrating to the outside of the filtration barrel is arranged at the bottom end of the hollow shell;

[0009] The extrusion auxiliary member includes an arc-shaped linkage block arranged inside the filter mesh cover, arc-shaped pressing blocks are fixedly connected to the outer walls on both sides of the arc-shaped linkage block, and a liquid discharging unit is arranged inside the hollow shell.

[0010] As a further solution of the present invention: the extrusion auxiliary member further includes a second bevel gear rotatably connected to the top end of the guide filter screen, a first fixing seat is fixedly connected to the top end of the guide filter screen, a second driving motor is installed on the outer wall of the first fixing seat, an output end of the second driving motor is connected to a first bevel gear, and the first bevel gear meshes with the second bevel gear. A connecting plate is fixedly connected to the bottom end of the second bevel gear, one end of the connecting plate is fixedly connected to the arc-shaped linkage block, a connecting rod is fixedly connected to one end of the connecting plate, a scraping plate is fixedly connected to the bottom end of the connecting rod, and the scraping plate is attached to the conical surface.

[0011] As a further solution of the present invention: the liquid discharging unit includes a diversion chamber opened inside the hollow shell, a partition filter screen is fixedly connected to the top of the diversion chamber, a one-way discharging valve penetrating to the inside of the diversion chamber is fixedly connected to the outside of the hollow shell, and one end of the one-way discharging valve is located inside the filtration barrel.

[0012] As a further solution of the present invention: the connector includes an inclined surface opened inside the arc-shaped pressing block, a spherical rod is slidably connected to the front end of the hollow shell, a first spring is fixedly connected to the outer wall of the spherical rod, the bottom end of the first spring is fixedly connected to the hollow shell, a connecting block is fixedly connected to one side outer wall of the spherical rod, a fixing rod is fixedly connected to the bottom end of the connecting block, one end of the fixing rod penetrates into the inside of the arc-shaped partition, and a docking auxiliary device is arranged between the outer wall of the arc-shaped linkage block and the outer wall of the hollow shell.

[0013] As a further solution of the present invention: The docking assistor includes a fourth fixing block fixedly connected to the top end of the empty shell. A second worm is rotatably connected inside the fourth fixing block. A rotating shaft is rotatably connected to an outer wall of one side of the empty shell. An arc-shaped correction block is fixedly connected to the bottom end of the rotating shaft. A second worm gear is fixedly connected to an outer wall of the rotating shaft, and the second worm gear meshes with the second worm. One end of the second worm is fixedly connected to a first straight gear. A third straight rack is fixedly connected to an outer wall of the connecting block, and the third straight rack meshes with the first straight gear. A guide wheel is rotatably connected to an outer wall of one side of the arc-shaped linkage block.

[0014] As a further solution of the present invention: The automatic discharging assembly includes a fixed shell fixedly connected to the bottom of the empty shell. A discharging barrel is fixedly connected inside the fixed shell. A first driving motor is installed at one end of the discharging barrel. An output end of the first driving motor is connected to a spiral feeding rod. A third fixing block is fixedly connected to an outer wall of one side of the arc-shaped partition plate. A third driving motor is fixedly connected to the top end of the third fixing block. An output end of the third driving motor is connected to a unidirectional threaded lead screw. A second fixing block is fixedly connected to an outer wall of one side of the arc-shaped partition plate. A U-shaped pushing block is sleeved on an outer wall of the unidirectional threaded lead screw. A push plate is fixedly connected to the bottom end of the U-shaped pushing block. A limiting sliding groove matching the U-shaped pushing block is formed in an outer wall of the second fixing block. A dredging assistor is arranged inside the first fixing block and the arc-shaped partition plate.

[0015] As a further solution of the present invention: The dredging assistor includes a second fixing seat fixedly connected to the bottom end of the first fixing block. A rotating column is rotatably connected inside the second fixing seat. A rotating push plate is fixedly connected to one end of the rotating column. A first worm gear is fixedly connected to an outer wall of the rotating column. A first worm is rotatably connected to one side of the second fixing seat, and the first worm meshes with the first worm gear. A third bevel gear is fixedly connected to one end of the first worm. A rotating push column is fixedly connected to one end of the rotating push plate. A return-shaped frame is sleeved on an outer wall of the rotating push column. A rectangular guide block is fixedly connected to the top end of the return-shaped frame. The top end of the rectangular guide block penetrates to the inside of the first fixing block. An arc-shaped bevel rack is fixedly connected to the inside of the rotating push plate. A plurality of helical teeth meshing with the third bevel gear are arranged inside the arc-shaped bevel rack. A swinging block is arranged at the bottom end of the return-shaped frame. A connecting column is fixedly connected to the bottom end of the swinging block. A dredging rod is fixedly connected to the bottom end of the connecting column, and the dredging rod is arranged in a discharging port of the empty shell. A swinging driving assembly is arranged inside the swinging block and at the bottom end of the return-shaped frame.

[0016] As a further solution of the present invention: The swing drive assembly includes a third fixed seat fixedly connected to the bottom end of the rectangular frame. A connecting shaft is rotatably connected to the inner side of the third fixed seat. A second straight gear is fixedly connected to the outer wall of the connecting shaft. One end of the connecting shaft is fixedly connected to the swing block. A reciprocating lead screw is rotatably connected to the outer wall of one side of the third fixed seat. A second straight rack is slidably connected to the outer wall of one side of the third fixed seat. The second straight rack is sleeved on the outer wall of the reciprocating lead screw. The second straight rack meshes with the second straight gear. One end of the reciprocating lead screw is fixedly connected to a power column, and the power column is rotatably connected to the rectangular frame. One end of the power column is fixedly connected to a third straight gear. A first straight rack is fixedly connected to the bottom end of the first fixed block, and the first straight rack meshes with the third straight gear.

[0017] As a further solution of the present invention: There are two arc-shaped partitions and two arc-shaped bevel racks. The two arc-shaped bevel racks are arranged in a staggered manner. A crescent pin matching the reciprocating lead screw is arranged inside the second straight rack. A limiting block is fixedly connected to the outer wall of the second straight rack. A guiding groove matching the limiting block is formed in the outer wall of the third fixed seat. The second straight rack is slidably connected to the third fixed seat through the limiting block fixedly connected to its outer wall.

[0018] The present invention also discloses a solid-liquid separation process for plant extract extraction, using the above-mentioned solid-liquid separation system for plant extract extraction, including the following steps:

[0019] S1. First, when filtering the extract using the filter mesh cover and the guide filter screen, start the second drive motor. The output end of the second drive motor rotates forward and backward. When the output end of the second drive motor rotates forward, it drives the first bevel gear to rotate, thereby driving the second bevel gear to drive the arc-shaped linkage block to rotate inside the filter mesh cover through the connecting plate. While the connecting plate rotates, it drives the scraper to rotate through the connecting rod, cleaning the solids accumulated on the conical surface to the inside of the filter mesh cover. Subsequently, the arc-shaped pressing block rotates to push the filter mesh cover fixed inside into the empty shell. Then, when the arc-shaped pressing block enters the inner cavity of the empty shell, it squeezes the solid fibers filtered from the plant extract, so that the squeezed liquid enters the diversion chamber through the partition filter screen, and then is introduced into the filter barrel through the one-way discharge valve, thereby recovering the liquid remaining in the plant fibers and avoiding liquid waste.

[0020] S2. When the arc-shaped pressing block has not yet moved inside the empty shell, the spherical surface at the bottom of the spherical rod abuts against the inclined surface. Since the arc-shaped pressing block continues to move, under the action of the inclined surface, the spherical rod is pushed to pull the fixed rod upward through the connecting block. After the arc-shaped pressing block extrudes the solid material inside the arc-shaped partition for a certain distance, when the fixed rod is pulled out from inside the arc-shaped partition, the outer wall of the arc-shaped pressing block fits against the third fixed block. When the arc-shaped pressing block continues to move, it pushes the third fixed block to drive the arc-shaped partition to move into the empty shell, thereby opening the feeding port of the empty shell, so that the solid inside the arc-shaped partition and the arc-shaped pressing block falls into the feeding port of the empty shell. Then, the first driving motor is started, and the output end of the first driving motor drives the spiral feeding rod to rotate, thereby discharging the solid in the feeding port of the empty shell to the outside, thus realizing the function of automatically discharging the solid inside the filter mesh cover;

[0021] S3. When the arc-shaped pressing block fits against the outer wall of the third fixed block and at the same time fits against the outer wall of the push plate, while the arc-shaped pressing block pushes the arc-shaped partition to move, the third driving motor is started. The output end of the third driving motor drives the single-threaded screw rod to rotate, thereby driving the U-shaped pushing block to drive the push plate to move downward, so as to actively push the solid between the arc-shaped partition and the arc-shaped pressing block into the feeding port of the empty shell, thus avoiding the residue of solid materials and improving the discharging effect of solid materials;

[0022] S4. When the connecting block moves upward, it drives the third straight rack to move upward at the same time, thereby driving the first straight gear to drive the second worm to rotate, and then driving the second worm wheel to drive the arc-shaped correction block to rotate towards the arc-shaped linkage block through the rotating shaft. When the teeth on the outer wall of the third straight rack are separated from the first straight gear, the arc-shaped pressing block has not yet entered the inner cavity of the empty shell. At the same time, the arc-shaped correction block rotates to the maximum position, so that the arc-shaped correction block pushes the arc-shaped linkage block to move, thereby calibrating the position of the offset arc-shaped linkage block, enabling the arc-shaped pressing block to accurately insert into the inner cavity of the empty shell, and improving the accuracy of the docking between the arc-shaped pressing block and the empty shell;

[0023] S5. While the arc-shaped partition plate moves towards the inside of the empty shell, it drives the arc-shaped bevel rack to move. When the helical teeth on the outer wall of the arc-shaped bevel rack come into contact with the third bevel gear, it drives the third bevel gear to drive the first worm to rotate, thereby driving the first worm gear to drive the rotary push plate to perform a circular rotation through the rotary column. Furthermore, it pushes the loop-shaped frame through the rotary push column to pull the connecting column to perform an up-and-down reciprocating movement. While the connecting column performs an up-and-down reciprocating movement, it drives the dredging rod to perform a reciprocating movement. In this way, the solid material docked at the blanking port of the empty shell is dredged by the dredging rod, thus avoiding the blockage of solid materials, and further improving the efficiency of material discharge;

[0024] S6. While the loop-shaped frame moves upward, it drives the third spur gear to move through the power column, thereby driving the third spur gear to rotate through the first straight rack. Furthermore, it drives the reciprocating lead screw to rotate through the power column, driving the second straight rack to perform a horizontal reciprocating movement, thereby driving the second spur gear to drive the swing block to perform a reciprocating swing through the connecting shaft. The reciprocating swing of the swing block drives the dredging rod to perform a reciprocating swing through the connecting column, thereby increasing the dredging range of the dredging rod.

[0025] Compared with the prior art, the beneficial effects of the present invention are:

[0026] 1. By setting the extrusion auxiliary part and the liquid discharge unit, the output end of the second drive motor rotates forward and backward. When the output end of the second drive motor rotates forward, it drives the first bevel gear to rotate, thereby driving the second bevel gear to drive the arc-shaped linkage block to rotate inside the filter mesh cover through the connecting plate. While the connecting plate rotates, it drives the scraper to rotate through the connecting rod, cleaning the solids accumulated on the conical surface to the inside of the filter mesh cover. Subsequently, when the arc-shaped pressing block rotates and pushes the filter mesh cover fixed inside to enter the empty shell, and then when the arc-shaped pressing block enters the inner cavity of the empty shell, it presses the solid fibers filtered from the plant extract, so that the squeezed liquid enters the diversion chamber through the partition filter mesh, and then is introduced into the filter barrel through the one-way discharge valve, thereby recovering the liquid remaining in the plant fibers and avoiding liquid waste;

[0027] 2. By setting the cooperation between the connector and parts such as the spiral feeding rod, when the arc-shaped pressing block has not yet moved into the empty shell, the spherical surface at the bottom of the spherical rod abuts against the inclined plane. Since the arc-shaped pressing block continues to move, the spherical rod is pushed by the inclined plane to drive the fixed rod to move upward through the connecting block. After the arc-shaped pressing block extrudes the solid material inside the arc-shaped partition for a certain distance, when the fixed rod is pulled out from the inside of the arc-shaped partition, the outer wall of the arc-shaped pressing block fits against the third fixed block. When the arc-shaped pressing block continues to move, it pushes the third fixed block to drive the arc-shaped partition to move into the empty shell, thereby opening the blanking port of the empty shell, and enabling the solid inside the arc-shaped partition and the arc-shaped pressing block to fall into the blanking port of the empty shell. Subsequently, the first drive motor is started, and the output end of the first drive motor drives the spiral feeding rod to rotate, thereby discharging the solid in the blanking port of the empty shell to the outside, thus realizing the function of automatically discharging the solid inside the filter mesh cover without manual operation by the staff, and further improving the solid-liquid separation efficiency of the plant extract;

[0028] 3. By setting the docking auxiliary device, when the connecting block moves upward, it drives the third straight rack to move upward at the same time, thereby driving the first straight gear to drive the second worm to rotate, and then driving the second worm wheel to drive the arc-shaped correction block to rotate towards the arc-shaped linkage block through the rotating shaft. When the teeth on the outer wall of the third straight rack are separated from the first straight gear, the arc-shaped pressing block has not yet entered the inner cavity of the empty shell, and at the same time, the arc-shaped correction block rotates to the maximum position, enabling the arc-shaped correction block to push the arc-shaped linkage block to move, thereby calibrating the position of the offset arc-shaped linkage block, so that the arc-shaped pressing block can accurately insert into the inner cavity of the empty shell, thus improving the accuracy of the docking between the arc-shaped pressing block and the empty shell;

[0029] 4. By setting the automatic discharging component, when the arc-shaped pressing block fits against the outer wall of the third fixed block and at the same time fits against the outer wall of the push plate, while the arc-shaped pressing block drives the arc-shaped partition to move, the third drive motor is started. The output end of the third drive motor drives the one-way threaded lead screw to rotate, thereby driving the U-shaped push block to drive the push plate to move downward, thereby actively pushing the solid between the arc-shaped partition and the arc-shaped pressing block into the blanking port of the empty shell, thus avoiding the residue of solid materials and improving the discharging effect of solid materials;

[0030] 5. By setting the dredging auxiliary device, when the arc-shaped partition moves into the empty shell, it drives the arc-shaped tapered rack to move. When the helical teeth on the outer wall of the arc-shaped tapered rack contact the third bevel gear, it drives the third bevel gear to drive the first worm to rotate, and then drives the first worm wheel to drive the rotary push plate to rotate in a circle through the rotating column. Furthermore, the rotary push column is used to push the return frame to pull the connecting column to move up and down reciprocally. When the connecting column moves up and down reciprocally, it drives the dredging rod to move reciprocally, thereby dredging the solid materials docked in the blanking port of the empty shell through the dredging rod, thus avoiding the blockage of solid materials and further improving the discharging efficiency of the materials;

[0031] 6. By setting up a swing drive assembly, while the loop-shaped frame moves upward, the third straight gear is driven to move through the power column, so that the third straight gear is driven to rotate by the first straight rack, and then the reciprocating lead screw is driven to rotate through the power column, driving the second straight rack to move horizontally back and forth, thereby driving the second straight gear to drive the swing block to swing back and forth through the coupling shaft. The reciprocating swing of the swing block drives the dredging rod to swing back and forth through the connecting column, thus increasing the dredging range of the dredging rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a schematic structural diagram of the present invention;

[0033] Figure 2 of the present invention Figure 1 is an enlarged view of part A in;

[0034] Figure 3 is a sectional view of the filter barrel of the present invention;

[0035] Figure 4 is a sectional view of the empty shell of the present invention;

[0036] Figure 5 is a schematic structural diagram of the dredging rod of the present invention;

[0037] Figure 6 is a schematic diagram of a partial structure of the empty shell of the present invention;

[0038] Figure 7 of the present invention Figure 6 is an enlarged view of part B in;

[0039] Figure 8 is a schematic diagram of the inner structure of the second fixed seat of the present invention;

[0040] Figure 9 is a schematic diagram of a partial structure of the dredging aid of the present invention;

[0041] Figure 10 is a side view of the empty shell of the present invention;

[0042] Figure 11 is a schematic diagram of a partial structure of the arc-shaped partition of the present invention;

[0043] Figure 12 is a schematic diagram of the structure of the connector of the present invention;

[0044] Figure 13 is a schematic diagram of the structure of the automatic discharging assembly of the present invention;

[0045] Figure 14 is a schematic diagram of the structure of the docking aid of the present invention.

[0046] In the figure: 1, filter barrel; 2, filter screen cover; 3, material guiding filter screen; 4, discharging barrel; 5, first driving motor; 6, first fixing seat; 7, second driving motor; 8, first bevel gear; 9, second bevel gear; 10, connecting plate; 11, arc linkage block; 12, arc pressing block; 13, inclined plane; 14, spherical rod; 15, first spring; 16, connecting block; 17, fixing rod; 18, first spur gear; 19, empty shell; 20, guide wheel; 21, arc correction block; 22, rotating shaft; 23, fixing shell; 24, scraper; 25, conical surface; 26, connecting rod; 27, arc partition plate; 28, spiral feeding rod; 29, connecting column; 30, dredging rod; 31, first fixing block; 32, arc bevel rack; 33, first worm; 34, third bevel gear; 35, first straight rack; 36, rectangular guide block; 37, rotating push plate; 38, return frame; 39, rotating push column; 40, second fixing seat; 41, coupling shaft; 42, swinging block; 43, second spur gear; 44, second straight rack; 45, power column; 46, reciprocating lead screw; 47, third fixing seat; 48, rotating column; 49, first worm gear; 50, third spur gear; 51, dividing filter screen; 52, diversion chamber; 53, one-way discharging valve; 54, push plate; 55, second fixing block; 56, one-way threaded lead screw; 57, second spring; 58, third driving motor; 59, second worm gear; 60, U-shaped pushing block; 61, second worm; 62, third fixing block; 63, third straight rack; 64, fourth fixing block. Detailed implementation manners

[0047] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0048] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. The following describes the embodiments according to the overall structure of the present invention.

[0049] Please refer to Figures 1 to 14 , in the embodiment of the present invention, a solid-liquid separation system for extracting plant extracts includes a filter barrel 1. A filter mesh cover 2 is installed inside the filter barrel 1. A guide material filter mesh 3 is fixedly connected to the top end of the filter mesh cover 2. A conical surface 25 is provided on the outer wall of the guide material filter mesh 3. An extrusion auxiliary member is provided inside the guide material filter mesh 3. An empty shell 19 is fixedly connected to the inside of the filter mesh cover 2. Arc-shaped partition plates 27 are symmetrically arranged inside the empty shell 19. The arc-shaped partition plates 27 are horizontally slidably connected to the empty shell 19. A first fixing block 31 is fixedly connected to the inside of the empty shell 19. Second springs 57 are fixedly connected to the outer walls on both sides of the first fixing block 31. One end of the second spring 57 is fixedly connected to the arc-shaped partition plate 27. A connector is provided between the top end of the empty shell 19 and the arc-shaped partition plate 27. An automatic discharging component penetrating to the outside of the filter barrel 1 is provided at the bottom end of the empty shell 19;

[0050] The extrusion auxiliary member includes an arc-shaped linkage block 11 provided inside the filter mesh cover 2. Arc-shaped pressing blocks 12 are fixedly connected to the outer walls on both sides of the arc-shaped linkage block 11. A liquid discharging unit is arranged inside the empty shell 19.

[0051] In this embodiment: When using the filtering barrel 1 to filter the plant extract, the sealing cover can be placed on the top of the filtering barrel 1 so that the filtering barrel 1 is in a closed space. Then, the extract is filtered through the filter mesh cover 2 and the material guiding filter screen 3. Subsequently, the solid fibers filtered out are pushed into the inner cavity of the empty shell 19 by the extrusion auxiliary part and the solid fibers are extruded, so that the extruded liquid flows back into the filtering barrel 1 through the liquid discharge unit. When the extrusion of the solid fibers is completed, the fixing of the arc-shaped partition plate 27 is released through the connector, so that the extrusion auxiliary part can push the arc-shaped partition plate 27 to move, thereby opening the blanking port of the empty shell 19, enabling the solid fibers to be discharged into the blanking port of the empty shell 19, and then discharged to the outside through the automatic discharging assembly.

[0052] Please refer specifically to Figure 1 、 Figure 2 、 Figure 10 and Figure 12 , the extrusion auxiliary part further includes a second bevel gear 9 rotatably connected to the top of the material guiding filter screen 3. A first fixing seat 6 is fixedly connected to the top of the material guiding filter screen 3. A second driving motor 7 is installed on the outer wall of the first fixing seat 6. The output end of the second driving motor 7 is connected to a first bevel gear 8, and the first bevel gear 8 meshes with the second bevel gear 9. The bottom end of the second bevel gear 9 is fixedly connected to a connecting plate 10. One end of the connecting plate 10 is fixedly connected to an arc-shaped linkage block 11. One end of the connecting plate 10 is fixedly connected to a connecting rod 26. The bottom end of the connecting rod 26 is fixedly connected to a scraping plate 24. The scraping plate 24 is attached to the conical surface 25. The liquid discharge unit includes a diversion chamber 52 opened on the inner side of the empty shell 19. A partition filter screen 51 is fixedly connected to the top of the diversion chamber 52. A one-way discharge valve 53 penetrating through to the inside of the diversion chamber 52 is fixedly connected to the outside of the empty shell 19. One end of the one-way discharge valve 53 is located inside the filtering barrel 1.

[0053] In this embodiment: The output end of the second driving motor 7 rotates forward and backward. When the output end of the second driving motor 7 rotates forward, it drives the first bevel gear 8 to rotate, thereby driving the second bevel gear 9 to drive the arc-shaped linkage block 11 to rotate inside the filter mesh cover 2 through the connecting plate 10. While the connecting plate 10 rotates, it drives the scraping plate 24 to rotate through the connecting rod 26, cleaning the solids accumulated on the conical surface 25 to the inside of the filter mesh cover 2. Subsequently, the arc-shaped pressing block 12 rotates to push the inside of the filter mesh cover 2 fixed into the inside of the empty shell 19. Then, when the arc-shaped pressing block 12 enters the inner cavity of the empty shell 19, the solid fibers filtered from the plant extract are extruded, so that the extruded liquid enters the diversion chamber 52 through the partition filter screen 51, and then is introduced into the filtering barrel 1 through the one-way discharge valve 53, thereby recovering the liquid remaining in the plant fibers and avoiding liquid waste.

[0054] Please refer specifically to Figure 2 and Figure 12, the connector includes an inclined surface 13 formed on the inner side of the arc-shaped pressing block 12. A spherical rod 14 is slidably connected to the front end of the empty shell 19. A first spring 15 is fixedly connected to the outer wall of the spherical rod 14, and the bottom end of the first spring 15 is fixedly connected to the empty shell 19. A connecting block 16 is fixedly connected to the outer wall of one side of the spherical rod 14. A fixing rod 17 is fixedly connected to the bottom end of the connecting block 16. One end of the fixing rod 17 penetrates into the interior of the arc-shaped partition 27. A docking auxiliary device is provided between the outer wall of the arc-shaped linkage block 11 and the outer wall of the empty shell 19.

[0055] In this embodiment: When the arc-shaped pressing block 12 has not yet moved into the empty shell 19, the spherical surface at the bottom end of the spherical rod 14 abuts against the inclined surface 13. Since the arc-shaped pressing block 12 continues to move, the spherical rod 14 is pushed by the inclined surface 13 to pull the fixing rod 17 upward through the connecting block 16. After the arc-shaped pressing block 12 extrudes the solid material inside the arc-shaped partition 27 for a certain distance, when the fixing rod 17 is pulled out from the interior of the arc-shaped partition 27, the outer wall of the arc-shaped pressing block 12 fits against the third fixing block 62, so that when the arc-shaped pressing block 12 continues to move, it pushes the third fixing block 62 to drive the arc-shaped partition 27 to move into the empty shell 19, thereby opening the discharge port of the empty shell 19, so that the solid between the arc-shaped partition 27 and the inner side of the arc-shaped pressing block 12 falls into the discharge port of the empty shell 19, facilitating the discharge of the solid material.

[0056] Please refer specifically to Figure 2 and Figure 14 , the docking auxiliary device includes a fourth fixing block 64 fixedly connected to the top end of the empty shell 19. A second worm 61 is rotatably connected to the inner side of the fourth fixing block 64. A rotating shaft 22 is rotatably connected to the outer wall of one side of the empty shell 19. An arc-shaped correction block 21 is fixedly connected to the bottom end of the rotating shaft 22. A second worm gear 59 is fixedly connected to the outer wall of the rotating shaft 22, and the second worm gear 59 meshes with the second worm 61. A first straight gear 18 is fixedly connected to one end of the second worm 61. A third straight rack 63 is fixedly connected to the outer wall of one side of the connecting block 16, and the third straight rack 63 meshes with the first straight gear 18. A guide wheel 20 is rotatably connected to the outer wall of one side of the arc-shaped linkage block 11.

[0057] In this embodiment: When the connecting block 16 moves upward, it drives the third straight rack 63 to move upward at the same time, thereby driving the first straight gear 18 to drive the second worm 61 to rotate, and then driving the second worm gear 59 to drive the arc-shaped correction block 21 to rotate towards the arc-shaped linkage block 11 through the rotating shaft 22. When the teeth on the outer wall of the third straight rack 63 are separated from the first straight gear 18, the arc-shaped pressing block 12 has not yet entered the inner cavity of the empty shell 19. At the same time, the arc-shaped correction block 21 rotates to the maximum position, so that the arc-shaped correction block 21 pushes the arc-shaped linkage block 11 to move, thereby calibrating the position of the offset arc-shaped linkage block 11, enabling the arc-shaped pressing block 12 to accurately insert into the inner cavity of the empty shell 19, thereby improving the docking accuracy between the arc-shaped pressing block 12 and the empty shell 19.

[0058] Please refer particularly to Figure 4 and Figure 12 , the automatic discharging assembly includes a fixed shell 23 fixedly connected to the bottom of the empty shell 19. A discharging barrel 4 is fixedly connected to the inner side of the fixed shell 23. A first driving motor 5 is installed at one end of the discharging barrel 4. The output end of the first driving motor 5 is connected to a spiral feeding rod 28. A third fixing block 62 is fixedly connected to the outer wall of one side of the arc-shaped partition plate 27. A third driving motor 58 is fixedly connected to the top of the third fixing block 62. The output end of the third driving motor 58 is connected to a one-way threaded lead screw 56. A second fixing block 55 is fixedly connected to the outer wall of one side of the arc-shaped partition plate 27. A U-shaped pushing block 60 is sleeved on the outer wall of the one-way threaded lead screw 56. A pushing plate 54 is fixedly connected to the bottom end of the U-shaped pushing block 60. A limiting sliding groove matching the U-shaped pushing block 60 is formed in the outer wall of the second fixing block 55. A dredging auxiliary device is arranged between the first fixing block 31 and the inner side of the arc-shaped partition plate 27.

[0059] In this embodiment: When the arc-shaped pressing block 12 fits on the outer wall of the third fixing block 62 and at the same time fits on the outer wall of the pushing plate 54, the arc-shaped pressing block 12 pushes the arc-shaped partition plate 27 to move and at the same time starts the third driving motor 58. The output end of the third driving motor 58 drives the one-way threaded lead screw 56 to rotate, so as to drive the U-shaped pushing block 60 to drive the pushing plate 54 to move downward, so as to actively push the solid between the arc-shaped partition plate 27 and the arc-shaped pressing block 12 into the blanking port of the empty shell 19, so as to avoid the residue of solid materials, thereby improving the discharging effect of solid materials. Then start the first driving motor 5. The output end of the first driving motor 5 drives the spiral feeding rod 28 to rotate, so as to discharge the solid in the blanking port of the empty shell 19 to the outside, thereby realizing the function of automatically discharging the solid inside the filter mesh cover 2.

[0060] Please refer particularly to Figures 4 to 9The dredging assistant includes a second fixed seat 40 fixedly connected to the bottom end of the first fixed block 31, a rotary column 48 is rotatably connected to the inner side of the second fixed seat 40, one end of the rotary column 48 is fixedly connected to a rotary push disk 37, the outer wall of the rotary column 48 is fixedly connected to a first worm gear 49, one side of the second fixed seat 40 is rotatably connected to a first worm 33, and the first worm 33 is meshed with the first worm gear 49, one end of the first worm 33 is fixedly connected to a third bevel gear 34, one end of the rotary push disk 37 is fixedly connected to a rotary push column 39, the outer wall of the rotary push column 39 is sleeved with a circular frame 38, and the circular frame 3 The top of 8 is fixedly connected with a rectangular guide block 36, the top of the rectangular guide block 36 passes through the inner side of the first fixed block 31, the inner side of the rotary push plate 37 is fixedly connected with an arcuate bevel rack 32, the inner side of the arcuate bevel rack 32 is provided with a plurality of helical teeth meshing with the third bevel gear 34, the bottom end of the circular frame 38 is provided with a swing block 42, the bottom end of the swing block 42 is fixedly connected with a connecting column 29, the bottom end of the connecting column 29 is fixedly connected with a dredging rod 30, and the dredging rod 30 is arranged in the discharge port of the empty shell 19, and the inner side of the swing block 42 and the bottom end of the circular frame 38 are provided with a swing drive assembly.

[0061] In this embodiment: the arc partition 27 moves toward the inside of the empty shell 19 while driving the arc bevel rack 32 to move. When the outer wall helical teeth of the arc bevel rack 32 contact the third bevel gear 34, the third bevel gear 34 is driven to drive the first worm 33 to rotate, thereby driving the first worm gear 49 to drive the rotary push plate 37 to rotate in a circle through the rotary column 48, and then the rotary push column 39 pushes the circular frame 38 to pull the connecting column 29 to move up and down reciprocatingly. The connecting column 29 moves up and down and drives the dredging rod 30 to move back and forth at the same time, so that the solid materials docked in the discharge port of the empty shell 19 are dredged through the dredging rod 30, thereby avoiding blockage of solid materials, thereby improving the efficiency of material discharge.

[0062] Please refer to Figures 6 to 9, the swing drive assembly includes a third fixed seat 47 fixedly connected to the bottom end of the loop-shaped frame 38. A coupling shaft 41 is rotatably connected to the inner side of the third fixed seat 47. A second spur gear 43 is fixedly connected to the outer wall of the coupling shaft 41. One end of the coupling shaft 41 is fixedly connected to a swing block 42. A reciprocating lead screw 46 is rotatably connected to the outer wall of one side of the third fixed seat 47. A second straight rack 44 is slidably connected to the outer wall of one side of the third fixed seat 47. The second straight rack 44 is sleeved on the outer wall of the reciprocating lead screw 46. The second straight rack 44 meshes with the second spur gear 43. One end of the reciprocating lead screw 46 is fixedly connected to a power column 45, and the power column 45 is rotatably connected to the loop-shaped frame 38. One end of the power column 45 is fixedly connected to a third spur gear 50. A first straight rack 35 is fixedly connected to the bottom end of the first fixed block 31, and the first straight rack 35 meshes with the third spur gear 50. There are two arc-shaped partitions 27 and two arc-shaped cone racks 32. The two arc-shaped cone racks 32 are arranged in a staggered manner. A crescent pin matching the reciprocating lead screw 46 is arranged inside the second straight rack 44. A limiting block is fixedly connected to the outer wall of the second straight rack 44. A guiding groove matching the limiting block is formed in the outer wall of the third fixed seat 47. The second straight rack 44 is slidably connected to the third fixed seat 47 through the limiting block fixedly connected to the outer wall.

[0063] In this embodiment: while the loop-shaped frame 38 moves upward, it drives the third spur gear 50 to move through the power column 45, thereby driving the third spur gear 50 to rotate through the first straight rack 35, and then driving the reciprocating lead screw 46 to rotate through the power column 45, driving the second straight rack 44 to perform a horizontal reciprocating movement, thereby driving the second spur gear 43 to drive the swing block 42 to perform a reciprocating swing through the coupling shaft 41. The reciprocating swing of the swing block 42 drives the dredging rod 30 to perform a reciprocating swing through the connecting column 29, thereby increasing the dredging range of the dredging rod 30.

[0064] The following combines the above-mentioned solid-liquid separation system for extracting plant extracts to provide a solid-liquid separation process for extracting plant extracts, which specifically includes the following steps:

[0065] S1. First, when using the filter screen cover 2 and the material guiding filter screen 3 to filter the extract, start the second driving motor 7. The output end of the second driving motor 7 rotates in both forward and reverse directions. When the output end of the second driving motor 7 rotates forward, it drives the first bevel gear 8 to rotate, thereby driving the second bevel gear 9 to drive the arc-shaped linkage block 11 to rotate inside the filter screen cover 2 through the connecting plate 10. While the connecting plate 10 rotates, it drives the scraping plate 24 to rotate through the connecting rod 26, cleaning the solids accumulated on the conical surface 25 to the inside of the filter screen cover 2. Subsequently, the filter screen cover 2 fixed inside is pushed into the empty shell 19 by the rotation of the arc-shaped pressing block 12. Then, when the arc-shaped pressing block 12 enters the inner cavity of the empty shell 19, it squeezes the solid fibers filtered from the plant extract, so that the squeezed liquid enters the diversion chamber 52 through the dividing filter screen 51, and then is introduced into the filter barrel 1 through the one-way discharge valve 53, thereby recovering the liquid remaining in the plant fibers and avoiding liquid waste;

[0066] S2. When the arc-shaped pressing block 12 has not yet moved into the empty shell 19, the spherical surface at the bottom of the spherical rod 14 abuts against the inclined surface 13. Due to the continuous movement of the arc-shaped pressing block 12, it pushes the spherical rod 14 to pull the fixed rod 17 upward through the action of the inclined surface 13. After the arc-shaped pressing block 12 squeezes the solid material inside the arc-shaped partition plate 27 for a certain distance, when the fixed rod 17 is pulled out from the inside of the arc-shaped partition plate 27, the outer wall of the arc-shaped pressing block 12 fits on the third fixing block 62, so that when the arc-shaped pressing block 12 continues to move, it pushes the third fixing block 62 to drive the arc-shaped partition plate 27 to move into the empty shell 19, thereby opening the discharge port of the empty shell 19, causing the solids inside the arc-shaped partition plate 27 and the arc-shaped pressing block 12 to fall into the discharge port of the empty shell 19. Subsequently, start the first driving motor 5, and the output end of the first driving motor 5 drives the spiral feeding rod 28 to rotate, thereby discharging the solids in the discharge port of the empty shell 19 to the outside, thus realizing the function of automatically discharging the solids inside the filter screen cover 2;

[0067] S3. When the arc-shaped pressing block 12 fits on the outer wall of the third fixing block 62 and at the same time fits on the outer wall of the push plate 54, while the arc-shaped pressing block 12 pushes the arc-shaped partition plate 27 to move, start the third driving motor 58. The output end of the third driving motor 58 drives the one-way threaded lead screw 56 to rotate, thereby driving the U-shaped pushing block 60 to drive the push plate 54 to move downward, thereby actively pushing the solids between the arc-shaped partition plate 27 and the arc-shaped pressing block 12 into the discharge port of the empty shell 19, thus avoiding the residue of solid materials and improving the discharge effect of solid materials;

[0068] S4. While the connecting block 16 moves upward, it drives the third straight rack 63 to move upward, thereby driving the first straight gear 18 to drive the second worm 61 to rotate, and then driving the second worm gear 59 to drive the arc-shaped correction block 21 to rotate towards the arc-shaped linkage block 11 through the rotating shaft 22. When the teeth on the outer wall of the third straight rack 63 are separated from the first straight gear 18, the arc-shaped pressing block 12 has not yet entered the inner cavity of the empty shell 19. At the same time, the arc-shaped correction block 21 rotates to the maximum position, causing the arc-shaped correction block 21 to push the arc-shaped linkage block 11 to move, thereby calibrating the position of the offset arc-shaped linkage block 11, enabling the arc-shaped pressing block 12 to accurately insert into the inner cavity of the empty shell 19, and thus improving the accuracy of the docking between the arc-shaped pressing block 12 and the empty shell 19;

[0069] S5. While the arc-shaped partition 27 moves into the empty shell 19, it drives the arc-shaped cone rack 32 to move. When the helical teeth on the outer wall of the arc-shaped cone rack 32 contact the third bevel gear 34, it drives the third bevel gear 34 to drive the first worm 33 to rotate, and then drives the first worm gear 49 to drive the rotary push plate 37 to rotate in a circle through the rotating column 48. Furthermore, it pushes the connecting column 29 to move up and down reciprocally through the rotary push column 39, and the connecting column 29 moves up and down reciprocally while driving the dredging rod 30 to move reciprocally, thereby dredging the solid materials docked at the discharge port of the empty shell 19 through the dredging rod 30, avoiding the blockage of solid materials, and thus improving the efficiency of material discharge;

[0070] S6. While the return-shaped frame 38 moves upward, it drives the third straight gear 50 to move through the power column 45, thereby driving the third straight gear 50 to rotate through the first straight rack 35. Furthermore, it drives the reciprocating lead screw 46 to rotate through the power column 45, driving the second straight rack 44 to move horizontally reciprocally, and then driving the second straight gear 43 to drive the swing block 42 to swing reciprocally through the connecting shaft 41. The swing block 42 swings reciprocally to drive the dredging rod 30 to swing reciprocally through the connecting column 29, thereby increasing the dredging range of the dredging rod 30.

[0071] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A solid-liquid separation system for extracting plant extracts, comprising a filtration barrel (1), characterized in that, A filter net cover (2) is installed inside the filter barrel (1). A material guiding filter net (3) is fixedly connected to the top end of the filter net cover (2). A conical surface (25) is arranged on the outer wall of the material guiding filter net (3). An extrusion auxiliary member is arranged inside the material guiding filter net (3). An empty shell (19) is fixedly connected to the inside of the filter net cover (2). Arc-shaped partition plates (27) are symmetrically arranged inside the empty shell (19). The arc-shaped partition plates (27) are horizontally slidably connected to the empty shell (19). A first fixing block (31) is fixedly connected to the inside of the empty shell (19). Second springs (57) are fixedly connected to the outer walls on both sides of the first fixing block (31). One end of each second spring (57) is fixedly connected to the arc-shaped partition plate (27). A connector is arranged between the top end of the empty shell (19) and the arc-shaped partition plate (27). An automatic discharging assembly penetrating to the outside of the filter barrel (1) is arranged at the bottom end of the empty shell (19). The extrusion auxiliary member includes an arc-shaped linkage block (11) arranged inside the filter net cover (2). Arc-shaped pressing blocks (12) are fixedly connected to the outer walls on both sides of the arc-shaped linkage block (11). A liquid discharging unit is arranged inside the empty shell (19). The extrusion auxiliary member further includes a second bevel gear (9) rotatably connected to the top end of the material guiding filter net (3). A first fixing seat (6) is fixedly connected to the top end of the material guiding filter net (3). A second driving motor (7) is installed on the outer wall of the first fixing seat (6). The output end of the second driving motor (7) is connected with a first bevel gear (8), and the first bevel gear (8) meshes with the second bevel gear (9). A connecting plate (10) is fixedly connected to the bottom end of the second bevel gear (9). One end of the connecting plate (10) is fixedly connected to the arc-shaped linkage block (11). One end of the connecting plate (10) is fixedly connected with a connecting rod (26). A scraping plate (24) is fixedly connected to the bottom end of the connecting rod (26). The scraping plate (24) is attached to the conical surface (25). The liquid discharging unit includes a diversion chamber (52) opened inside the empty shell (19). A dividing filter net (51) is fixedly connected to the top of the diversion chamber (52). The connector includes an inclined surface (13) opened inside the arc-shaped pressing block (12). A spherical rod (14) is slidably connected to the front end of the empty shell (19). A first spring (15) is fixedly connected to the outer wall of the spherical rod (14). The bottom end of the first spring (15) is fixedly connected to the empty shell (19). A connecting block (16) is fixedly connected to one side outer wall of the spherical rod (14). A fixing rod (17) is fixedly connected to the bottom end of the connecting block (16). One end of the fixing rod (17) penetrates into the inside of the arc-shaped partition plate (27). A docking auxiliary device is arranged between the outer wall of the arc-shaped linkage block (11) and the outer wall of the empty shell (19).

2. The solid-liquid separation system for extracting a plant extract according to claim 1, characterized in that, The outside of the empty shell (19) is fixedly connected with a one-way discharge valve (53) that penetrates into the inside of the diversion chamber (52), and one end of the one-way discharge valve (53) is located inside the filter barrel (1).

3. A solid-liquid separation system for extracting a plant extract according to claim 2, characterized in that, The docking assistor includes a fourth fixing block (64) fixedly connected to the top of the empty shell (19). A second worm (61) is rotatably connected to the inner side of the fourth fixing block (64). A rotating shaft (22) is rotatably connected to the outer wall of one side of the empty shell (19). An arc-shaped correction block (21) is fixedly connected to the bottom end of the rotating shaft (22). A second worm gear (59) is fixedly connected to the outer wall of the rotating shaft (22), and the second worm gear (59) meshes with the second worm (61). A first straight gear (18) is fixedly connected to one end of the second worm (61). A third straight rack (63) is fixedly connected to the outer wall of one side of the connecting block (16), and the third straight rack (63) meshes with the first straight gear (18). A guide wheel (20) is rotatably connected to the outer wall of one side of the arc-shaped linkage block (11).

4. A solid-liquid separation system for extracting a plant extract according to claim 3, characterized in that, The automatic discharging assembly includes a fixed shell (23) fixedly connected to the bottom of the empty shell (19). A discharging barrel (4) is fixedly connected to the inside of the fixed shell (23). A first driving motor (5) is installed at one end of the discharging barrel (4). The output end of the first driving motor (5) is connected to a spiral feeding rod (28). A third fixing block (62) is fixedly connected to the outer wall of one side of the arc-shaped partition plate (27). A third driving motor (58) is fixedly connected to the top of the third fixing block (62). The output end of the third driving motor (58) is connected to a one-way threaded lead screw (56). A second fixing block (55) is fixedly connected to the outer wall of one side of the arc-shaped partition plate (27). A U-shaped pushing block (60) is sleeved on the outer wall of the one-way threaded lead screw (56). A push plate (54) is fixedly connected to the bottom end of the U-shaped pushing block (60). A limiting sliding groove matching the U-shaped pushing block (60) is formed in the outer wall of the second fixing block (55). A dredging assistor is arranged between the first fixing block (31) and the inside of the arc-shaped partition plate (27).

5. A solid-liquid separation system for extracting a plant extract according to claim 4, characterized in that, The dredging auxiliary device includes a second fixed seat (40) fixedly connected to the bottom end of the first fixed block (31). A rotating column (48) is rotatably connected to the inner side of the second fixed seat (40). One end of the rotating column (48) is fixedly connected to a rotating push plate (37). A first worm gear (49) is fixedly connected to the outer wall of the rotating column (48). A first worm (33) is rotatably connected to one side of the second fixed seat (40), and the first worm (33) meshes with the first worm gear (49). One end of the first worm (33) is fixedly connected to a third bevel gear (34). One end of the rotating push plate (37) is fixedly connected to a rotating push column (39). A return frame (38) is sleeved on the outer wall of the rotating push column (39). The top end of the return frame (38) is fixedly connected to a rectangular guide block (36). The top end of the rectangular guide block (36) penetrates through the inner side of the first fixed block (31). An arc-shaped bevel gear rack (32) is fixedly connected to the inner side of the rotating push plate (37). A plurality of helical teeth meshing with the third bevel gear (34) are arranged on the inner side of the arc-shaped bevel gear rack (32). A swinging block (42) is arranged at the bottom end of the return frame (38). A connecting column (29) is fixedly connected to the bottom end of the swinging block (42). A dredging rod (30) is fixedly connected to the bottom end of the connecting column (29), and the dredging rod (30) is arranged in the discharge port of the empty shell (19). A swing driving assembly is arranged between the inner side of the swinging block (42) and the bottom end of the return frame (38).

6. A solid-liquid separation system for extracting a plant extract according to claim 5, characterized in that, The swing driving assembly includes a third fixed seat (47) fixedly connected to the bottom end of the return frame (38). A connecting shaft (41) is rotatably connected to the inner side of the third fixed seat (47). A second spur gear (43) is fixedly connected to the outer wall of the connecting shaft (41). One end of the connecting shaft (41) is fixedly connected to the swinging block (42). A reciprocating lead screw (46) is rotatably connected to the outer wall of one side of the third fixed seat (47). A second spur rack (44) is slidably connected to the outer wall of one side of the third fixed seat (47). The second spur rack (44) is sleeved on the outer wall of the reciprocating lead screw (46). The second spur rack (44) meshes with the second spur gear (43). One end of the reciprocating lead screw (46) is fixedly connected to a power column (45), and the power column (45) is rotatably connected to the return frame (38). A third spur gear (50) is fixedly connected to one end of the power column (45). A first spur rack (35) is fixedly connected to the bottom end of the first fixed block (31), and the first spur rack (35) meshes with the third spur gear (50).

7. A solid-liquid separation system for extracting a plant extract according to claim 6, characterized in that, There are two of the arc-shaped partition plates (27) and the arc-shaped bevel racks (32). The two arc-shaped bevel racks (32) are arranged in a staggered manner. A crescent pin matching the reciprocating lead screw (46) is arranged inside the second straight rack (44). A limiting block is fixedly connected to the outer wall of the second straight rack (44). A guiding groove matching the limiting block is formed in the outer wall of the third fixing seat (47). The second straight rack (44) is slidably connected to the third fixing seat (47) through the limiting block fixedly connected to the outer wall.

8. A solid-liquid separation process for extracting plant extracts, characterized in that, Using a solid-liquid separation system for extracting a plant extract as described in any one of claims 1-7, comprising the following steps: S1. First, filter the extract using the filter mesh cover (2) and the guide filter screen (3); S2. Subsequently, push the filtered solid fibers into the inner cavity of the empty shell (19) through the extrusion auxiliary member and extrude the solid fibers, so that the extruded liquid flows back into the inside of the filter barrel (1) through the liquid discharge unit. S3. When the extrusion of the solid fibers is completed, release the fixation of the arc-shaped partition plate (27) through the connector, so that the extrusion auxiliary member can push the arc-shaped partition plate (27) to move, thereby opening the discharge port of the empty shell (19), enabling the solid fibers to be discharged into the discharge port of the empty shell (19), and then discharged to the outside through the automatic discharge assembly.

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