Extraction device and process of plant extract

Abstract

The present invention relates to the technical field of plant component extraction, and specifically discloses a plant extract extraction device and process, the plant extract extraction device includes a base, an extraction tank and a spray mechanism, a guide column is provided at the center of the extraction tank, and partitions are evenly spaced at the periphery of the guide column, the bottoms of the partitions are connected, a driving member is provided in the extraction tank, and a placement space for placing a material box is formed between two adjacent partitions; a lifting groove is provided on the periphery of the guide column, and a guide component adapted to the lifting groove is fixedly connected to the material box, and a feeding port is provided on one side of the extraction tank. When the driving member drives the partition to push the material box to move, the guide component of the material box moves along the lifting groove to drive the material box to move in a direction close to the discharge port. The plant extract extraction device and process of the present invention can continuously add new material boxes into the placement space, ensuring the continuity of the extraction process and improving the extraction efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of plant component extraction, and in particular to a plant extract extraction device and process. Background Art

[0002] Plant ingredient extraction uses plants as raw materials. According to the use requirements of the final product, the active ingredients in the plants are obtained and concentrated through physical and chemical extraction and separation processes. Among them, liquid extractants play a vital role in plant ingredient extraction. They must not only be able to dissolve the active ingredients in the plants, but also be easy to separate from these ingredients for subsequent purification and utilization. When using liquid extractants to extract plant ingredients, extraction and separation tanks are usually used.

[0003] A Chinese patent with announcement number CN214019299U discloses a plant ingredient extraction tank, comprising a tank body, a tank cover and an immersion device placed in the tank body, wherein the tank cover is sealed and installed on the opening of the tank body, and the immersion device comprises a material basket, a cover body and a vertical rod, wherein the vertical rod is connected to the inner wall of the tank body, the material basket is fixedly connected to the vertical rod, the cover body is installed on the material basket, and the material basket is provided with a hole.

[0004] The material basket of the above technical solution is connected to the vertical rod and placed in the tank body. After the liquid extractant is injected into the tank body, the plant material is placed in the material basket, covered with a cover body, and placed in the tank body through the vertical rod until the liquid extractant completely soaks the plant material. Due to the obstruction of the cover body, the plant material cannot float on the liquid surface, so that the plant material is completely soaked in the liquid extractant during the entire extraction process. The operation is convenient, practical, and can improve the extraction efficiency of the plant material.

[0005] However, in the actual extraction process of the above technical solution, the plant materials placed in the material basket each time are limited, and the cover needs to be opened frequently to manually replace new plant materials. Not only is the operation cumbersome, but the machine needs to be stopped when the plant materials are replaced, resulting in an inconsistent extraction process and affecting the working efficiency of the extraction tank.

[0006] Therefore, the art needs an extraction device and process for plant extracts to solve the above problems. Summary of the invention

[0007] The present invention provides an extraction device and process for plant extracts, aiming to solve the problem in the related art that an extraction tank needs to be manually replaced with new plant materials, resulting in cumbersome operation, discontinuous extraction process and affecting the working efficiency of the extraction tank.

[0008] On the one hand, the present invention provides an extraction device for plant extracts, comprising a base, an extraction tank arranged on the base, and a spray mechanism arranged in the extraction tank, wherein a guide column is fixedly connected to the center of the extraction tank, at least two partitions are evenly arranged at intervals on the periphery of the guide column, the bottom of the partition is fixedly connected through a leakage plate, a driving member is arranged in the extraction tank to drive the leakage plate to drive the partition to move along the periphery of the guide column, and a placement space for placing a material box is formed between two adjacent partitions, and the material box is used to place plant materials;

[0009] A lifting groove is provided on the outer periphery of the guide column, and a guide component adapted to the lifting groove is fixedly connected to the material box. A feeding port is provided on one side of the extraction tank, a discharging port is provided on the top, and a liquid outlet is provided on the bottom. A door body is provided at the feeding port. When the driving member drives the partition to push the material box to move, the guide component of the material box moves along the lifting groove to drive the material box to move toward the direction close to the discharging port.

[0010] The present invention places a material box into the placement space and inserts the guide assembly on the material box into the lifting groove. In the process of the partition pushing the material box to move, the material box moves upward along the lifting groove, and the extractant sprayed by the spray mechanism is sprayed from top to bottom, so that the material box can continuously contact the extractant during the movement from bottom to top, so as to obtain the extraction of plant components. When the material box moves to the discharge port, the material box can be taken out. During the extraction process, new material boxes can be continuously added to the placement space through the feeding port, thereby ensuring the continuity of the extraction process and improving the extraction efficiency. Moreover, the process of adding and taking out the material box does not require shutdown operation.

[0011] Preferably, the extraction tank is vertically divided into a buffer zone and an extraction zone, a partition is located in the extraction zone, and a guide cylinder located in the buffer zone is fixedly connected to the top of the partition, a guide groove adapted to the guide assembly on the material box is vertically opened on the guide cylinder, and the spraying area of ​​the spray mechanism is located between the buffer zone and the extraction zone, and the lifting groove includes a lifting groove 1 located in the extraction zone and a lifting groove 2 located in the buffer zone, the helix rise angle of the lifting groove 2 is greater than the helix rise angle of the lifting groove 1, and the adjacent lifting groove 1 is connected to the lifting groove 2.

[0012] After the material box moves to the buffer zone, it is no longer sprayed with the extractant. By setting the buffer zone and the second lifting tank, the material box can drip the existing extractant and the extracted plant components in the material box into the extraction tank as much as possible in the buffer zone to avoid wasting resources.

[0013] Preferably, there are multiple lifting grooves and they are distributed at intervals along the vertical direction. The lifting groove includes a lifting part and a horizontal part. The lifting part located at the bottom is connected to the adjacent horizontal part located above it. Limiting grooves are respectively provided on the groove walls on both sides of the lifting groove that are opposite to each other. The guide assembly includes a guide rod, a guide block and a clamping block evenly spaced along the outer periphery of the guide rod. The guide block is adapted to the guide groove. The clamping block is slidably matched with the guide rod along the radial direction of the guide rod and is elastically connected. An inclined wedge surface is provided on the side of the clamping block facing the lifting groove. When the guide rod is inserted into the lifting groove, the clamping block is located in the limiting groove.

[0014] By setting the lifting groove 1 as the lifting part 1 and the horizontal part 1, it not only satisfies the upward lifting of the material box, but also prolongs the time that the material box stays in the extraction tank, so that the material in the material box can fully contact and react with the extractant, thereby improving the extraction effect.

[0015] Preferably, the material box includes an upper mesh plate, a lower mesh plate and a storage frame, the guide rod is fixedly connected to the storage frame, a compression assembly is arranged between the upper mesh plate and the lower mesh plate, and a driving structure for driving the compression assembly to compress the material is arranged on the guide cylinder. When the material box moves above the spraying area, the driving structure drives the compression assembly to compress the material.

[0016] After the material box moves to the top of the spray mechanism, the driving structure drives the compression component to compress the material, thereby squeezing out the extractant and the extracted plant components in the material to avoid wasting resources.

[0017] Preferably, the compression assembly includes rack 1, rack 2 and a ratchet, a mounting cylinder is fixedly connected to the side of the storage frame facing the partition, a rotating shaft is fixedly connected inside the mounting cylinder, the ratchet is connected to the rotating shaft through a torsion spring, and the ratchet is fixedly connected to gear 1, rack 1 is fixedly connected to the upper mesh plate, rack 2 is fixedly connected to the lower mesh plate, rack 1 and rack 2 pass through the mounting cylinder and mesh with gear 1, the rotating shaft is slidably connected to a limiting plate and an elastic member is connected between the limiting plate, and the limiting plate is fixedly connected to a pawl adapted to the ratchet.

[0018] Preferably, the driving structure includes an extrusion rod, which is elastically connected to the guide cylinder, and the end of the extrusion rod is an arc-shaped raised surface. When the material box rises to the mounting cylinder and contacts the extrusion rod, the extrusion arc-shaped raised surface drives the extrusion rod to move in a direction away from the mounting cylinder. When the extrusion rod contacts the limit plate, the extrusion rod pushes the limit plate to move, so that the pawl on the limit plate disengages from the ratchet wheel, and the torsion spring drives the ratchet wheel and gear 1 to rotate, and gear 1 drives the upper mesh plate and the lower mesh plate through rack 1 and rack 2 to extrude the material.

[0019] Preferably, the spray mechanism includes a liquid inlet ring and a spray pipe connected to the bottom of the liquid inlet ring. The number of the spray pipes is the same as the placement space and they are located above the corresponding placement space. A tooth segment is provided on the slot arm of the lifting slot 2 close to the spray pipe, and a gear 2 is fixedly connected to the guide rod. When the guide cylinder drives the material box to move along the lifting slot 2, the gear 2 engages with the tooth segment to drive the material box to flip over to above the spray pipe.

[0020] Preferably, a sleeve is provided at the bottom of the liquid inlet ring, and the sleeve is slidingly connected to the liquid inlet ring along the circumference of the liquid inlet ring. The spray pipe is L-shaped, and the vertical part of the spray pipe is slidingly provided in the sleeve and elastically connected to the sleeve. The transverse part of the spray pipe is rotatably connected to its vertical part, and multiple spray branches are symmetrically provided on both sides of the transverse part.

[0021] By arranging the spray pipe above the placement space, it is beneficial to spray the extractant evenly onto the material box. However, the material box will interfere with the spray pipe during the upward movement. By rotating the horizontal and vertical parts of the spray pipe, the horizontal part of the spray pipe is driven to rotate during the flipping of the material box, so that the material box can be smoothly flipped to the top of the spray pipe, thereby ensuring the normal operation of the material box in the extraction tank.

[0022] Preferably, a sinking trough connected to the lifting trough is opened at the position of the guide column corresponding to the discharge port, and a material storage box is installed on one side of the extraction tank. A push plate and an electric push rod 1 for driving the push plate to move toward the feeding port are provided in the material storage box, and an electric push rod 2 for driving the door body to open and close is fixedly connected to the extraction tank.

[0023] On the other hand, the present invention also provides a method for extracting a plant extract, using the plant extract extraction device described in any one of the preferred technical schemes above, the method for extracting a plant extract comprises the following steps:

[0024] Put plant materials into the material box, open the door, put the material box into the placement space, and insert the guide component on the material box into the lifting slot;

[0025] The control driving member drives the leakage plate to drive the partition plate to move along the periphery of the guide column, and controls the spraying mechanism to spray, and the partition plate pushes the material box to move along the lifting groove;

[0026] Whenever there is an empty placement space aligned with the feeding port, a material box is placed in the placement space, the material box gradually fills the extraction tank, and moves upward along the lifting groove. The extractant sprayed by the spray mechanism enters each material box from top to bottom, and extracts the plant components in the material box. The material box that has completed the extraction finally moves along the lifting groove to the discharge port for discharge;

[0027] The liquid extracted with the plant components drops from the leakage plate to the bottom of the extraction tank and is discharged from the liquid outlet.

[0028] It should be noted that the beneficial effects of the plant extract extraction method of the present invention are the same as the beneficial effects of the plant extract extraction device described above, which will not be described in detail herein.

[0029] The beneficial effects of the present invention are as follows: the present invention places the material box in the placement space, and inserts the guide assembly on the material box into the lifting groove. When the partition pushes the material box to move, the material box moves upward along the lifting groove, and the extractant sprayed by the spray mechanism sprays from top to bottom, so that the material box can continuously contact the extractant during the movement from bottom to top, thereby obtaining effective extraction of plant components;

[0030] During the extraction process of the present invention, new material boxes can be continuously added into the placement space through the material filling port, thereby ensuring the continuity of the extraction process and improving the extraction efficiency, and the process of adding and removing the material box does not require shutdown operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the extraction device of the plant extract of the present invention.

[0032] Figure 2 It is a schematic structural diagram of an extraction tank of an extraction device for plant extracts of the present invention.

[0033] Figure 3 It is a schematic diagram of the internal structure of the extraction device of the plant extract of the present invention.

[0034] Figure 4 The invention discloses an assembly diagram of a guide column, a partition plate and a guide cylinder of an extraction device for plant extracts.

[0035] Figure 5 The present invention is a schematic diagram of the structure of the guide column of the plant extract extraction device.

[0036] Figure 6 yes Figure 5 A partial enlarged view of part A.

[0037] Figure 7 It is a schematic diagram of the structure of a material box of the plant extract extraction device of the present invention.

[0038] Figure 8 It is a cross-sectional view of a material box of the plant extract extraction device of the present invention.

[0039] Fig. 9 The present invention is a schematic diagram of the structure of the spray mechanism of the plant extract extraction device.

[0040] Reference numerals:

[0041] 1. Base; 2. Extraction tank; 21. Feeding port; 22. Discharging port; 23. Liquid outlet; 24. Door; 25. Electric push rod 2; 26. Valve; 3. Storage box; 31. Electric push rod 1; 4. Material box; 41. Upper screen; 42. Lower screen; 43. Storage frame; 44. Guide rod; 45. Guide block; 46. Block; 47. Rack 1; 48. Rack 2; 49. Gear 2; 5. Guide column; 51. Lifting slot 1; 511. Lifting part 1 ; 512, horizontal part one; 52, lifting groove two; 521, lifting part two; 522, horizontal part two; 53, sinking groove; 54, tooth segment; 55, limiting groove; 6, partition; 61, leakage plate; 7, guide cylinder; 71, guide groove; 72, extrusion rod; 8, mounting cylinder; 81, rotating shaft; 82, ratchet; 83, torsion spring; 84, gear one; 85, limiting plate; 86, pawl; 9, liquid inlet ring; 91, sleeve; 92, spray pipe; 93, spray branch pipe. DETAILED DESCRIPTION

[0042] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0043] like Figures 1 to 9 As shown, the plant extract extraction device of the present invention comprises a base 1, an extraction tank 2 fixedly mounted on the base 1, and a spray mechanism arranged in the extraction tank 2. A feeding port 21 is provided on one side of the extraction tank 2, a discharging port 22 is provided on the top, and a liquid outlet 23 is provided on the bottom. A material storage box 3 is installed on one side of the extraction tank 2, a material box 4 is stored in the material storage box 3, and plant materials are placed in the material box 4. A push plate (not shown in the figure) and an electric push rod 31 for driving the push plate to move toward the feeding port 21 are provided in the material storage box 3. A door body 24 is provided at the feeding port 21, and an electric push rod 25 for driving the door body 24 to open and close is fixedly connected to the extraction tank 2. A valve 26 is provided at the liquid outlet 23, and when the liquid extracted from the plant components needs to be discharged from the extraction tank 2, the valve 26 is opened.

[0044] like Figure 3 and Figure 4 As shown, the center of the extraction tank 2 is fixedly connected to a guide column 5, and four partitions 6 are evenly spaced at the periphery of the guide column 5. The bottom of the partition 6 is fixedly connected by a leakage plate 61, and a placement space for placing the material box 4 is formed between two adjacent partitions 6. A driving member (not shown in the figure) is provided in the extraction tank 2 to drive the leakage plate 61 to drive the partition 6 to move along the periphery of the guide column 5. As an example, the driving member is a driving motor installed on the extraction tank 2, and the output end of the driving motor is fixedly connected to the leakage plate 61.

[0045] like Figure 1 , Figure 3 , Figure 5 and Figure 7 As shown, a lifting groove is provided on the outer periphery of the guide column 5, and a guide assembly adapted to the lifting groove is fixedly connected to the material box 4. When the driving member drives the partition plate 6 to push the material box 4 to move, the guide assembly of the material box 4 moves along the lifting groove, driving the material box 4 to move from bottom to top toward the direction close to the discharge port 22.

[0046] The extractant sprayed by the spray mechanism sprays the material box 4 in the extraction tank 2 from top to bottom. During the movement of the material box 4 from bottom to top, the material box 4 is continuously immersed in the extractant to extract the plant components. Finally, the liquid extracted with the plant components falls from the leakage plate 61 and gathers at the bottom of the extraction tank 2. When the material box 4 rises along the lifting groove to the discharge port 22, the material box 4 is discharged from the discharge port 22 to complete the extraction. The door body 24 is pushed downward by the electric push rod 25, and the push plate is driven by the electric push rod 1 31 to push the material box 4 in the storage box 3 to move into the feeding port 21, so that the material box 4 enters the placement space, and the guide assembly on the material box 4 is inserted into the lifting groove, so as to realize the continuous replenishment of new plant materials, and the process of replenishing and removing materials does not require shutdown operation, which ensures the continuity of the extraction process and improves the extraction efficiency.

[0047] like Figures 3 to 6 As shown, the extraction tank 2 is vertically divided into a buffer zone and an extraction zone, the partition 6 is located in the extraction zone, and the top of the partition 6 is fixedly connected to a guide cylinder 7 located in the buffer zone, and a guide groove 71 adapted to the guide assembly on the material box 4 is vertically opened on the guide cylinder 7. The spraying area of ​​the spraying mechanism is located between the buffer zone and the extraction zone, and the lifting grooves include a lifting groove 1 51 located in the extraction zone and a lifting groove 2 52 located in the buffer zone, the helical rise angle of the lifting groove 2 52 is greater than the helical rise angle of the lifting groove 1 51, and the adjacent lifting grooves 1 51 and 2 52 are connected.

[0048] There are multiple lifting grooves 51, which are evenly distributed along the vertical intervals. The lifting groove 51 includes a lifting part 511 and a horizontal part 512 that are connected. The lifting part 511 located at the bottom is connected to the adjacent horizontal part 512 located above it. The limiting grooves 55 are respectively provided on the groove walls on both sides of the lifting groove 51 that are opposite to each other. There are also multiple lifting grooves 52, which are evenly distributed along the vertical intervals. The lifting grooves 52 and the lifting grooves 51 have the same structure as the lifting groove 51. The lifting grooves 52 include a lifting part 521 and a horizontal part 522. The lifting part 521 located at the bottom is connected to the adjacent horizontal part 522 located above it. The limiting grooves 55 are also respectively provided on the groove walls on both sides of the lifting groove 52 that are opposite to each other. A sinking groove 53 connected to the lifting groove 2 52 is provided at the position corresponding to the guide column 5 and the discharge port 22. When the material box 4 moves along the lifting groove 2 52 to the sinking groove 53, the guide assembly on the material box 4 disengages from the limiting groove 55, and the material box 4 is separated from the guide column 5, making it convenient to take the material box 4 away.

[0049] like Figures 5 to 7 As shown, the material box 4 includes an upper mesh plate 41, a lower mesh plate 42 and a storage frame 43, and through holes are provided on the upper mesh plate 41, the lower mesh plate 42 and the storage frame 43, and the storage frame 43 has elastic deformation capability. The guide assembly includes a guide rod 44, a guide block 45 and a clamping block 46 evenly spaced along the outer periphery of the guide rod 44, the guide rod 44 is fixedly connected to the storage frame 43, the guide block 45 is fixedly connected to the guide rod 44, and the guide block 45 is adapted to the guide groove 71, the clamping block 46 is slidably matched with the guide rod 44 along the radial direction of the guide rod 44 and is elastically connected, and the clamping block 46 is provided with an inclined wedge surface (not shown in the figure) on the side facing the lifting groove 51.

[0050] When the guide rod 44 is inserted into the lifting groove 51, the edge of the lifting groove 51 squeezes the inclined wedge surface, so that the block 46 moves into the guide rod 44. When the guide rod 44 continues to be inserted until the block 46 is aligned with the limiting groove 55 of the lifting groove 51, the block 46 pops out and is inserted into the limiting groove 55. In the process of the material box 4 moving along the lifting groove, the stability of the assembly between the material box 4 and the lifting groove is improved, ensuring the stable rise of the material box 4.

[0051] A compression assembly is arranged between the upper mesh plate 41 and the lower mesh plate 42, and a driving structure for driving the compression assembly to compress the material is arranged on the guide cylinder 7. When the material box 4 moves above the spraying area, the driving structure drives the compression assembly to compress the material, so that the extractant and plant components in the material leak out from the material box 4, thereby avoiding waste of the extractant and plant components.

[0052] like Figure 7 and Figure 8As shown, the compression assembly includes a rack 1 47, a rack 2 48 and a ratchet 82. The storage frame 43 is fixedly connected to a mounting tube 8 on one side facing the partition 6. A rotating shaft 81 is fixedly connected inside the mounting tube 8. The ratchet 82 is connected to the rotating shaft 81 through a torsion spring 83, and the ratchet 82 is fixedly connected to the rotating shaft 81. The rack 1 47 is fixedly connected to the upper mesh plate 41, the rack 2 48 is fixedly connected to the lower mesh plate 42, the rack 1 47 and the rack 2 48 penetrate the mounting tube 8 and mesh with the gear 1 84. The rotating shaft 81 is slidably connected to the limiting plate 85 along its axial direction, and a spring (not shown in the figure) is connected between the limiting plate 85. The limiting plate 85 is slidably connected to the rotating shaft 81 through a sliding groove (not shown in the figure) and a slider (not shown in the figure), and the limiting plate 85 and the rotating shaft 81 cannot rotate relative to each other. The limiting plate 85 is fixedly connected to a ratchet 86 adapted to the ratchet 82.

[0053] When the upper mesh plate 41 and the lower mesh plate 42 move away from each other, the rack 1 47 and the rack 2 48 are on both sides of the gear 1 84, driving the gear 1 84 and the ratchet 82 to rotate relative to the rotating shaft 81, storing force on the torsion spring 83, and the pawl 86 does not affect the rotation of the ratchet 82. When the torsion spring 83 wants to release its elastic force and drive the ratchet 82 and the gear 1 84 to rotate in the opposite direction, the pawl 86 clamps the ratchet 82, preventing the torsion spring 83 from releasing its elastic force, so that the torsion spring 83 remains in a state of storing force.

[0054] like Figure 4 , Figure 7 and Figure 8 As shown, the driving structure includes an extrusion rod 72, which is elastically connected to the guide cylinder 7, and the end of the extrusion rod 72 is an arc-shaped convex surface. When the material box 4 rises to the installation cylinder 8 and contacts the extrusion rod 72, the installation cylinder 8 squeezes the arc-shaped convex surface to drive the extrusion rod 72 to move away from the installation cylinder 8, and when the extrusion rod 72 contacts the limit plate 85, the extrusion rod 72 pushes the limit plate 85 to move, so that the pawl 86 on the limit plate 85 is separated from the ratchet 82. At this time, the ratchet 82 loses the restriction of the pawl 86. Driven by the torsion spring 83, the ratchet 82 and the gear 1 84 rotate, and the gear 1 84 drives the upper mesh plate 41 and the lower mesh plate 42 to move in a direction close to each other to extrude the material through the rack 1 47 and the rack 2 48.

[0055] like Figure 3 and Fig. 9As shown, the spray mechanism includes a liquid inlet ring 9, a sleeve 91 disposed at the bottom of the liquid inlet ring 9, and a spray pipe 92 connected to the sleeve 91. The liquid inlet ring 9 is located above the partition 6 and is connected to the external pump body. The liquid inlet ring 9 is connected to the partition 6 through a connecting rod (not shown in the figure). The liquid inlet ring 9 is driven to rotate synchronously during the rotation of the partition 6. The number of spray pipes 92 is the same as the number of placement spaces, and is located above the corresponding placement spaces. In order to avoid interference between the material box 4 and the spray mechanism during the rising process, in this embodiment, the sleeve 91 is slidably connected to the liquid inlet ring 9 along the circumference of the liquid inlet ring 9, and the spray pipe 92 is L-shaped. The vertical part of the spray pipe 92 is slidably disposed in the sleeve 91 and is elastically connected to the sleeve 91. The horizontal part of the spray pipe 92 is rotatably connected to its vertical part, and multiple spray branches 93 are symmetrically arranged on both sides of the horizontal part.

[0056] like Figure 3 , Figure 6 , Figure 7 and Fig. 9 As shown, a tooth segment 54 is provided on the slot arm of the lifting slot 2 52 near the spray pipe 92, and a gear 2 49 is fixedly connected to the guide rod 44. When the guide cylinder 7 drives the material box 4 to move along the lifting slot 2 52, the gear 2 49 meshes with the tooth segment 54 to drive the material box 4 to flip over to the top of the spray pipe 92. When the material box 4 rises to the buffer zone, it will contact the spray pipe 92 and push the spray pipe 92 to shrink into the sleeve 91. When the material box 4 flips, it will contact the spray branch pipe 93 and squeeze the spray branch pipe 93 to drive the lateral part of the spray pipe 92 to rotate, thereby avoiding interference between the material box 4 and the spray pipe 92 during the rising process.

[0057] The method for extracting a plant extract of the present invention uses the plant extract extraction device in the above embodiment, and the method for extracting a plant extract comprises the following steps:

[0058] Put plant materials into the material box 4, and make the torsion spring 83 between the ratchet 82 and the rotating shaft 81 in the power storage state, put the material box 4 into the storage box, control the electric push rod 25 to open the door 24, control the electric push rod 1 31 to push the material box 4 in the storage box into the placement space between the two partitions 6, the guide rod 44 on the material box 4 enters the lifting groove 1 51, and the block 46 on the guide rod 44 enters the limit groove 55;

[0059] The control driving member drives the leakage plate 61 to drive the partition 6 to move along the periphery of the guide column 5, and controls the spraying mechanism to spray. The partition 6 pushes the material box 4 to move along the lifting groove 51. The extractant sprayed by the spraying mechanism enters each material box 4 from top to bottom, and extracts the plant components in the material box 4;

[0060] When the material box 4 moves to the buffer zone, the guide rod 44 on the material box 4 moves along the second lifting groove 52, the block 46 on the guide rod 44 is located in the limit groove 55 of the second lifting groove 52, and the guide block 45 on the guide rod 44 enters the guide groove 71 on the guide cylinder 7, and the material box 4 is pushed by the guide cylinder 7 instead of the partition plate 6.

[0061] During the upward movement of the material box 4 along the lifting groove 52, the material box 4 contacts the spray pipe 92 and pushes the spray pipe 92 to move upward. When the gear 2 49 on the guide rod 44 meshes with the tooth segment 54 on the lifting groove 52, the gear 2 49 drives the material box 4 to rotate, and the material box 4 pushes the spray branch pipe 93 to drive the lateral part of the spray pipe 92 to rotate. When the material box 4 is turned over to the top of the lateral part of the spray pipe 92 and is in a horizontal state, the gear 2 49 is disengaged from the tooth segment 54, and the material box 4 continues to move along the lifting groove 52;

[0062] After the installation cylinder 8 on the material box 4 contacts the extrusion rod 72 on the guide cylinder 7, the extrusion rod 72 is pushed to move away from the installation cylinder 8. When the extrusion rod 72 passes over the cylinder wall of the installation cylinder 8 and contacts the limit plate 85, the extrusion rod 72 pushes the limit plate 85 to move, so that the pawl 86 on the limit plate 85 is disengaged from the ratchet 82. At this time, the ratchet 82 loses the restriction of the pawl 86. Driven by the torsion spring 83, the ratchet 82 and the gear 1 84 rotate. The gear 1 84 drives the upper mesh plate 41 and the lower mesh plate 42 to move toward each other through the rack 1 47 and the rack 2 48 to squeeze the material, so that the extractant and the plant component in the material are separated out;

[0063] The material box 4 continues to move along the lifting groove 2 52 , and when the material box 4 moves to the discharge port 22 , the guide rod 44 on the material box 4 enters the sinking groove 53 , and the material box 4 is separated from the assembly with the guide column 5 , so that the material box 4 is conveniently taken away;

[0064] Whenever there is an empty placement space aligned with the feeding port 21, the material box 4 is automatically placed into the placement space through the electric push rod 31 to achieve uninterrupted replenishment of materials. The material box 4 newly entering the extraction tank 2 performs the above-mentioned extraction process under the push of the partition 6 until it moves to the discharge port 22 for discharge.

[0065] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0066] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0067] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. An extraction device for plant extracts, comprising a base, an extraction tank disposed on the base, and a spray mechanism disposed in the extraction tank, characterized in that: A guide column is fixedly connected to the center of the extraction tank, at least two partitions are evenly spaced at the periphery of the guide column, the bottom of the partition is fixedly connected through a leakage plate, a driving member is arranged in the extraction tank to drive the leakage plate to drive the partition to move along the periphery of the guide column, and a placement space for placing a material box is formed between two adjacent partitions, and the material box is used to place plant materials; A lifting groove is provided on the outer periphery of the guide column, and a guide component adapted to the lifting groove is fixedly connected to the material box. A feeding port is provided on one side of the extraction tank, a discharging port is provided on the top, and a liquid outlet is provided on the bottom. A door body is provided at the feeding port. When the driving member drives the partition to push the material box to move, the guide component of the material box moves along the lifting groove to drive the material box to move in a direction close to the discharging port. The inside of the extraction tank is vertically divided into a buffer zone and an extraction zone, a partition is located in the extraction zone and a guide cylinder located in the buffer zone is fixedly connected to the top of the partition, a guide groove adapted to the guide assembly on the material box is vertically opened on the guide cylinder, a spraying area of ​​the spraying mechanism is located between the buffer zone and the extraction zone, and the lifting grooves include a lifting groove 1 located in the extraction zone and a lifting groove 2 located in the buffer zone, a helical rise angle of the lifting groove 2 is greater than a helical rise angle of the lifting groove 1, and adjacent lifting grooves 1 and 2 are connected; There are multiple lifting grooves, which are distributed at intervals along the vertical direction. The lifting groove includes a lifting part and a horizontal part. The lifting part located at the bottom is connected to the adjacent horizontal part located above it. Limiting grooves are respectively provided on the groove walls on both sides of the lifting groove that are opposite to each other. The guide assembly includes a guide rod, a guide block and a card block evenly arranged along the outer periphery of the guide rod. The guide block is adapted to the guide groove. The card block is slidably matched with the guide rod along the radial direction of the guide rod and is elastically connected. An inclined wedge surface is provided on the side of the card block facing the lifting groove. When the guide rod is inserted into the lifting groove, the card block is located in the limiting groove.

2. The plant extract extraction device according to claim 1, characterized in that: The material box includes an upper mesh plate, a lower mesh plate and a storage frame. The guide rod is fixedly connected to the storage frame. A compression assembly is arranged between the upper mesh plate and the lower mesh plate. A driving structure for driving the compression assembly to compress the material is arranged on the guide cylinder. When the material box moves above the spraying area, the driving structure drives the compression assembly to compress the material.

3. The plant extract extraction device according to claim 2, characterized in that: The compression assembly includes rack 1, rack 2 and a ratchet. A mounting cylinder is fixedly connected to the side of the storage frame facing the partition. A rotating shaft is fixedly connected inside the mounting cylinder. The ratchet is connected to the rotating shaft through a torsion spring, and the ratchet is fixedly connected to gear 1. Rack 1 is fixedly connected to the upper mesh plate, and rack 2 is fixedly connected to the lower mesh plate. Rack 1 and rack 2 pass through the mounting cylinder and mesh with gear 1. The rotating shaft is slidably connected to a limiting plate and an elastic member is connected between the limiting plate. The limiting plate is fixedly connected to a pawl adapted to the ratchet.

4. The plant extract extraction device according to claim 3, characterized in that: The driving structure includes an extrusion rod, which is elastically connected to the guide cylinder, and the end of the extrusion rod is an arc-shaped convex surface. When the material box rises to the mounting cylinder and contacts the extrusion rod, the extrusion arc-shaped convex surface drives the extrusion rod to move in the direction away from the mounting cylinder. When the extrusion rod contacts the limit plate, the extrusion rod pushes the limit plate to move, so that the pawl on the limit plate is disengaged from the ratchet wheel, and the torsion spring drives the ratchet wheel and gear 1 to rotate, and gear 1 drives the upper screen plate and the lower screen plate through rack 1 and rack 2 to extrude the material.

5. The plant extract extraction device according to claim 1, characterized in that: The spray mechanism includes a liquid inlet ring and a spray pipe connected to the bottom of the liquid inlet ring. The number of the spray pipes is the same as the placement space and they are located above the corresponding placement space. A tooth segment is provided on the groove wall of the lifting groove 2 close to the spray pipe, and a gear 2 is fixedly connected to the guide rod. When the guide cylinder drives the material box to move along the lifting groove 2, the gear 2 engages with the tooth segment to drive the material box to flip over to the top of the spray pipe.

6. The plant extract extraction device according to claim 5, characterized in that: A sleeve is provided at the bottom of the liquid inlet ring, and the sleeve is slidably connected to the liquid inlet ring along the circumference of the liquid inlet ring. The spray pipe is L-shaped, and the vertical part of the spray pipe is slidably arranged in the sleeve and elastically connected to the sleeve. The transverse part of the spray pipe is rotatably connected to its vertical part, and multiple spray branches are symmetrically arranged on both sides of the transverse part.

7. The plant extract extraction device according to claim 1, characterized in that: A sinking trough connected to the lifting trough is provided at the position corresponding to the guide column and the discharge port. A storage box is installed on one side of the extraction tank. A push plate and an electric push rod 1 for driving the push plate to move toward the feeding port are provided in the storage box. An electric push rod 2 for driving the door body to open and close is fixedly connected to the extraction tank.

8. A method for extracting a plant extract, characterized in that: Using the plant extract extraction device according to any one of claims 1 to 7, the plant extract extraction method comprises the following steps: Put plant materials into the material box, open the door, put the material box into the placement space, and insert the guide component on the material box into the lifting slot; The control driving member drives the leakage plate to drive the partition plate to move along the periphery of the guide column, and controls the spraying mechanism to spray, and the partition plate pushes the material box to move along the lifting groove; Whenever there is an empty placement space aligned with the feeding port, a material box is placed in the placement space, the material box gradually fills the extraction tank, and moves upward along the lifting groove. The extractant sprayed by the spray mechanism enters each material box from top to bottom, and extracts the plant components in the material box. The material box that has completed the extraction finally moves along the lifting groove to the discharge port for discharge; The liquid extracted with the plant components drops from the leakage plate to the bottom of the extraction tank and is discharged from the liquid outlet.

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