CN112026231A - Chinese herbal medicine squeezing and extracting device - Google Patents

Abstract

The invention provides a Chinese herbal medicine pressing and extracting device applied in the technical field of Chinese herbal medicine processing. A telescopic cylinder (4), a telescopic cylinder (4) and a movement rod (5) are arranged on the top cover (2) of the Chinese herbal medicine pressing and extracting device. ) connection, the lower end of the movement rod (5) is provided with a pressing member (6), and a second filter screen (9) and a first sealing plate are arranged in the through groove (8) provided on the partition plate (7) in the pressing tank (3). (10), a second sealing plate (11), the upper surface of the second sealing plate (11) is provided with a sealing column (12), the first sealing plate (10) is provided with a slot (13), and the second sealing plate (11) A plurality of liquid leakage holes (14) are arranged on the upper part. The Chinese herbal medicine pressing and extracting device of the present invention can conveniently and efficiently press and extract the Chinese herbal medicine. The clean separation of the residue and the medicinal liquid can be achieved in the process, and the extraction efficiency and quality of the medicinal liquid can be improved.

Description

A device for pressing and extracting Chinese herbal medicine

technical field

The invention belongs to the technical field of processing Chinese herbal medicines, and more particularly relates to a pressing and extracting device for Chinese herbal medicines.

Background technique

Chinese herbal medicine is mainly composed of botanical medicine, animal medicine and mineral medicine. Since botanical medicine accounts for the majority of Chinese medicine, there are about 5,000 kinds of Chinese medicine used in various parts of China, and there are countless prescriptions formed by combining various medicinal materials. Traditional Chinese medicine is the crystallization of the clinical practice of medicine in the motherland. Traditional medicine has obvious effect on the treatment of diseases, and it is safe and reliable. It is only because traditional Chinese medicine is taken according to the traditional method that decoction is time-consuming and labor-intensive, resulting in the problem of laborious consumption of traditional Chinese medicine. Therefore, the development of traditional Chinese medicine medicine, the combination of research and development of traditional Chinese medicine and modern science and technology, and the improvement of modern processing and preparation equipment of traditional Chinese medicine are the only way to go. The modern processing and preparation device of traditional Chinese medicine uses the pressing and filtering technology to extract all the effective components of the traditional Chinese medicinal material itself, without destroying the function of the original traditional Chinese medicinal material, that is, the process method that the quantity and quality remain unchanged. However, when pressing and extracting Chinese herbal medicine, the pressing devices in the prior art are mostly large-scale, complex structures, and high-cost equipment. In order to overcome the problems of the existing pressing devices, it is now proposed to have a simplified structure and a relatively low cost. A Chinese herbal medicine pressing, extracting and mixing device with low and high filtration purity.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: in view of the deficiencies of the prior art, a simple structure is provided, which can press and extract Chinese herbal medicines conveniently and efficiently, which not only realizes the automation of pressing, improves the pressing efficiency, reduces the pressing labor intensity, but also reduces the pressing labor intensity during pressing. A Chinese herbal medicine pressing and extraction device that realizes the clean separation of residue and liquid medicine, and improves the extraction efficiency and quality of liquid medicine.

To solve the above-mentioned technical problems, the technical solution adopted by the present invention is:

The invention relates to a pressing and extracting device for Chinese herbal medicine, which comprises a pressing tank, a top cover is fastened on the opening part of the top end of the pressing tank, a liquid outlet part is arranged at the lower end of the pressing tank, a telescopic cylinder is arranged on the top cover, and the telescopic cylinder and a movable cylinder passing through the top cover are arranged. The upper end of the movement rod is connected, the lower end of the movement rod is provided with a pressing part, and the lower surface of the pressing part has a trapezoidal structure; A through groove, a second filter screen, a first sealing plate, and a second sealing plate are arranged in the through groove in sequence from top to bottom, a plurality of protruding sealing posts are arranged on the upper surface of the second sealing plate, and a The number and position of the columns correspond to the slots, the second sealing plate is provided with a plurality of leakage holes penetrating the second sealing plate, the side wall of the press tank is provided with a strip groove running through the press tank, the strip grooves are arranged vertically, and the second sealing plate The connecting rods on the sides extend through the bar grooves to the outside of the press tank.

The second sealing plate of the Chinese herbal medicine pressing and extracting device is movably arranged in the through groove, the lower surface of the partition plate is also provided with a sliding cavity, the sliding cavity is communicated with the through groove through a connecting channel, and a spring and a sliding rod are arranged in the sliding cavity in sequence, and the sliding cavity is arranged in sequence. The rod is fixedly connected with the side surface of the second sealing plate through the fixing rod.

In the pressing tank of the Chinese herbal medicine pressing and extracting device, a filter part is arranged at a position below the partition plate. The filter part includes a positioning sleeve, a filter plate and a horizontal groove. The filter screen, one end of the filter plate is clamped in the positioning sleeve plate, and the pull ring at the other end of the filter plate extends through the horizontal groove to the outside of the pressing tank.

The sliding cavity of the Chinese herbal medicine pressing and extracting device is arranged vertically on the partition plate, the sliding rod in the sliding cavity is arranged vertically, the spring is sleeved on the sliding rod, the fixed rod is vertically arranged with the sliding rod, and one end of the spring is connected with the sliding rod. The bottom of the cavity is fixedly connected, the other end of the spring is fixedly connected with the fixing rod, and the spring is set to a structure capable of exerting upward pulling force on the fixing rod.

The connecting rod of the Chinese herbal medicine pressing and extracting device extends to one end of the pressing tank and is fixedly provided with a dial, the connecting rod is set to a structure that can slide up and down in the strip groove, and a downward external force is applied to drive the dial to move downward. When the dial plate is set to be able to exert downward force on the connecting rod, so as to drive the second sealing plate to move downward through the connecting rod, when the connecting rod drives the second sealing plate to move downward, the The sealing post is configured to be able to withdraw from the slot on the first sealing plate.

The telescopic cylinder of the Chinese herbal medicine pressing and extracting device is connected with a control component capable of controlling the expansion and contraction of the telescopic cylinder. When the control component controls the expansion and contraction of the telescopic cylinder, the telescopic cylinder is arranged to be able to drive the lower surface of the pressing component and the upper surface of the partition to continuously approach through the movement rod. and away, so as to press the Chinese herbal medicine between the lower surface of the pressing part and the upper surface of the separator.

The second filter screen in the through groove on the partition plate of the Chinese herbal medicine pressing and extracting device is clamped and connected with the inner wall of the through groove, the first sealing plate is fixedly connected with the inner wall of the through groove, and the second filter screen and the first sealing plate are fixedly connected. A gap is set between them, and the second filter screen is movably clamped in the through groove.

The liquid outlet part includes a liquid outlet pipe and a valve. The liquid outlet pipe runs through the lower end of the squeezing tank, and one end of the liquid outlet pipe extending to the outside of the squeezing tank is provided with a valve.

The inner bottom surface of the squeeze tank is designed to be a downwardly protruding arc structure.

A plurality of support legs are fixedly arranged at the lower end of the squeeze tank.

Adopting the technical scheme of the present invention, the following beneficial effects can be obtained:

The Chinese herbal medicine pressing and extracting device of the present invention, when pressing and extracting the Chinese herbal medicine, is to press the raw material of the Chinese herbal medicine, so that the medicinal liquid and the residue (dregs) in the raw material are separated, and the medicinal liquid is collected by the collecting part after flowing out. The residue is isolated by filtration. When the Chinese herbal medicine needs to be pressed, the operator opens the top cover, adds the Chinese herbal medicine to be pressed into the pressing tank through the opening, the Chinese herbal medicine raw material falls on the partition, and then closes the top cover, the top cover and the pressing tank are fixedly connected by bolts, and then The expansion and contraction of the telescopic cylinder is controlled by the control component, the telescopic cylinder drives the movement rod to move up and down, and the movement rod drives the trapezoidal plate to move up and down to press the Chinese herbal medicine in the pressing tank. Move the dial plate), the connecting rod drives the second sealing plate to move downward, and the sealing column (arc-shaped sealing column) on the second sealing plate leaves the corresponding slot (arc-shaped groove) on the first sealing plate, The squeezed liquid passes through multiple arc grooves, flows into the through groove, and finally leaks to the bottom of the squeeze tank through multiple leakage holes on the second sealing plate. The residue will remain above the second filter screen, and a small amount of leakage The residue will also be intercepted by the first filter screen on the filter plate of the filter part at the bottom, and the final medicinal liquid will flow out to the collecting part through the liquid outlet part at the inner bottom of the squeeze tank to realize the medicinal liquid collection. In this way, the pressing and extraction of Chinese herbal medicines are completed efficiently and with high quality, the liquid medicine contains less residue, and the quality is high, and post-processing is not required, the process is simplified, and the processing efficiency is improved. The Chinese herbal medicine pressing and extracting device of the invention has a simple structure, can conveniently and efficiently press and extract the Chinese herbal medicine, not only realizes the pressing automation, improves the pressing efficiency, reduces the labor intensity of the Chinese herbal medicine pressing, but also realizes the cleaning of the residue and the medicinal liquid during the pressing. Separation, improve the extraction efficiency and quality of liquid medicine.

Description of drawings

Below is a brief description of the contents expressed in the drawings of this specification and the symbols in the drawings:

Fig. 1 is the structural representation of the apparatus for pressing and extracting Chinese herbal medicine according to the present invention;

Fig. 2 is the partial enlarged structural representation of the A part of the Chinese herbal medicine pressing and extracting device described in Fig. 1;

3 is a schematic side view of the structure of the pressing tank of the Chinese herbal medicine pressing and extracting device according to the present invention;

4 is a schematic structural diagram of the first sealing plate of the device for pressing and extracting Chinese herbal medicine according to the present invention;

5 is a schematic structural diagram of the second sealing plate of the Chinese herbal medicine pressing and extracting device according to the present invention;

The symbols in the accompanying drawings are: 1. Pressing tank; 2. Top cover; 3. Liquid outlet part; 4. Telescopic cylinder; 5. Movement rod; 6. Pressing part; The second filter screen; 10, the first sealing plate; 11, the second sealing plate; 12, the sealing column; 13, the slot; 14, the leakage hole; 15, the strip groove; ; 18, spring; 19, sliding rod; 20, fixed rod; 21, filter part; 22, positioning sleeve; 23, filter plate; 24, horizontal groove; 25, first filter screen; 26, pull ring; 27, dial; 28, liquid outlet pipe; 29, valve; 30, connecting channel; 31, support leg; 32, control part.

Detailed ways

In the following, referring to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the function and working principle of each part, etc. will be further described. Details of:

As shown in the accompanying drawings 1 to 5, the present invention is a pressing and extracting device for Chinese herbal medicine, comprising a pressing tank 1, a top cover 2 is buckled at the opening part of the upper end of the pressing tank 1, and a liquid outlet part 3 is arranged at the lower end of the pressing tank 1, The top cover 2 is provided with a telescopic cylinder 4, and the telescopic cylinder 4 is connected with the upper end of the moving rod 5 that passes through the top cover 2. The lower end of the moving rod 5 is provided with a pressing part 6, and the lower surface of the pressing part 6 has a trapezoidal structure. The pressing tank 3 A separator 7 is arranged under the pressing member 6, and the upper surface of the separator 7 is in a trapezoidal structure. The separator 7 is provided with a through groove 8 that penetrates the separator 7. The second filter screen 9, The first sealing plate 10, the second sealing plate 11, the upper surface of the second sealing plate 11 is provided with a plurality of protruding sealing posts 12, the first sealing plate 10 is provided with slots 13 corresponding to the number and position of the sealing posts 12, The second sealing plate 11 is provided with a plurality of leakage holes 14 penetrating the second sealing plate 11 , the side wall of the press tank 3 is provided with a strip groove 15 which penetrates the press tank 3 , the strip groove 15 is arranged vertically, and the side wall of the second sealing plate 11 is The connecting rod 16 extends through the strip groove 15 to the outside of the press tank 3 . In the above structure, when pressing and extracting the Chinese herbal medicine, the raw material of the Chinese herbal medicine is pressed, so that the medicinal liquid and the residue (dregs) in the raw material are separated. After the medicinal liquid flows out, it is collected by the collecting part, and the residue is filtered and isolated. When the Chinese herbal medicine needs to be pressed, the operator opens the top cover 2, adds the Chinese herbal medicine to be squeezed into the pressing tank through the opening, the Chinese herbal medicine raw material falls on the partition 7, and then closes the top cover 2, and the top cover 2 and the pressing tank 1 pass through. The bolts are fixed and connected, and then the telescopic cylinder 4 is controlled by the control part to expand and contract, the telescopic cylinder 4 drives the movement rod 5 to move up and down, and the movement rod 5 drives the pressing part 6 (trapezoid plate) to move up and down reciprocatingly to press the Chinese herbal medicine in the pressing tank 1. The lower surface of the component 6 and the upper surface of the partition 7 are in shape, and the movable pressing component 6 can reliably exert force on the fixed partition 7 to smash and squeeze the Chinese herbal medicine, so that the Chinese herbal medicine is separated into medicinal liquid and residue. After pressing, the connecting rod 5 is moved downward (which can be achieved by moving the dial downward), and the connecting rod 16 drives the second sealing plate 11 to move downward. At this time, the sealing column 12 (arc shape sealing column) leaves the corresponding slot 13 (arc-shaped groove) on the first sealing plate 10, the squeezed medicinal liquid passes through the plurality of arc-shaped grooves, flows into the through groove 8, and finally passes through the plurality of arc-shaped grooves on the second sealing plate 11. Each leakage hole 15 leaks to the bottom of the press tank 1, the residue will remain above the second filter screen 9, and a small amount of missing residue will also be removed by the first filter on the filter plate 23 of the filter element 21 located at the bottom of the press tank 1. The filter screen 25 is intercepted, and the finally generated medicinal liquid will flow out through the liquid outlet part 3 at the inner bottom of the squeeze tank 1 and flow to the collecting part to realize the medicinal liquid collection. In this way, the pressing and extraction of Chinese herbal medicines can be accomplished simply, efficiently and with high quality. The medicinal liquid contains less residue and is of high quality, does not require post-processing, simplifies the process, and improves processing efficiency. The Chinese herbal medicine pressing and extracting device of the invention has a simple structure, can conveniently and efficiently press and extract the Chinese herbal medicine, not only realizes the pressing automation, improves the pressing efficiency, reduces the pressing labor intensity, but also realizes the clean separation of the residue and the medicinal liquid during the pressing. , to improve the extraction efficiency and quality of liquid medicine.

The second sealing plate 11 of the Chinese herbal medicine pressing and extracting device is movably arranged in the through groove 8, and the lower surface of the partition plate 4 is also provided with a sliding cavity 17. The sliding cavity 17 communicates with the through groove 8 through the connecting channel 30, and inside the sliding cavity 17 The spring 18 and the sliding rod 19 are arranged in sequence, and the sliding rod 19 is fixedly connected to the side surface of the second sealing plate 11 through the fixing rod 20 . In the above structure, the through grooves are vertically arranged structures, which are used for the flow down of the medicinal liquid after the medicinal liquid is squeezed. The second filter screen is installed in the upper part of the through groove, so that, on the one hand, it does not affect the normal filtration during pressing. Clean up for the next job. In the sliding cavity 17, a spring 18 and a sliding rod 19 are arranged in sequence, so that the spring exerts pressure on the second sealing plate, so that the sealing column is clamped in the corresponding slot, and the through-slot is disconnected. When no force is exerted on the connecting rod, the squeezed liquid will not flow down from the through groove, but a downward force must be exerted on the connecting rod to overcome the pulling force of the spring, drive the second sealing plate downward, and the sealing column will leave the first The groove of the seal plate, at this time, the residue is isolated, and the liquid medicine quickly leaks from the groove and then leaks through the leakage hole 15.

In the pressing tank 3 of the Chinese herbal medicine pressing and extracting device, a filter element 21 is arranged at a position below the partition plate 7. The filter element 21 includes a positioning sleeve 22, a filter plate 23, and a transverse groove 24, and the transverse groove 24 is arranged on the side of the pressing tank 3. On the wall, the filter plate 23 is provided with a first filter screen 25, one end of the filter plate 23 is clamped in the positioning sleeve 22, and the pull ring 26 at the other end of the filter plate 23 extends through the transverse groove 24 to the outside of the press tank 3. With the above structure, after the medicinal liquid passes through the first filter screen, some residue will remain in the medicinal liquid, and the second filter screen is used for secondary filtration of the medicinal liquid to improve the filtration quality.

The sliding chamber 17 of the Chinese herbal medicine pressing and extracting device is arranged vertically on the partition 7, the sliding rod 19 in the sliding chamber 17 is vertically arranged, the spring 18 is sleeved on the sliding rod 19, and the fixed rod 20 is connected to the sliding rod. 19 is arranged vertically, one end of the spring 18 is fixedly connected to the bottom of the sliding cavity 17, and the other end of the spring 18 is fixedly connected to the fixing rod 20. In the above structure, during the pressing process, due to the action of the spring, the second sealing plate receives an upward force, so that the sealing column is located in the corresponding slot to achieve sealing. In this way, during the pressing process, there will be no liquid medicine from down the channel. However, after the pressing is completed, a downward external force must be applied to the connecting rod in order to realize the flow of the medicinal liquid. When the sliding cavity is set, two can also be set to apply force from different positions to improve the stability.

The connecting rod 16 of the Chinese herbal medicine pressing and extracting device extends to one end outside the pressing tank 3 and a dial 27 is fixedly arranged. When the plate 27 is toggled downward, the toggle plate 27 is set to be able to exert a downward force on the connecting rod 16, so as to drive the second sealing plate 11 to move downward through the connecting rod 16, and the connecting rod 16 drives the second sealing plate. When the 11 moves downward, the sealing posts 12 on the second sealing plate 11 are arranged to be able to withdraw from the slots 14 on the first sealing plate 10 . In the above structure, the dial is used to drive the connecting rod to move up and down. A downward force is applied to the connecting rod through the dial, and the sealing column leaves the slot. After the applied force disappears, the sealing column is re-slipped into the slot.

The telescopic cylinder 4 of the Chinese herbal medicine pressing and extracting device is connected to the control part 32 which can control the telescopic cylinder 4 to expand and contract. When the control part 32 controls the expansion and contraction of the telescopic cylinder 4, the telescopic cylinder 3 is set to be able to drive the pressing part 6 down through the movement rod 5. The surface and the upper surface of the separator 7 are continuously approached and separated, so as to press the Chinese herbal medicine between the lower surface of the pressing part 6 and the upper surface of the separator 7 . In the above structure, through the control component, the telescopic cylinder is driven to reciprocate and expand, thereby driving the movement rod to drive the pressing component to reciprocate up and down to realize the pressing.

The second filter screen 9 in the through groove 8 on the partition plate 7 of the Chinese herbal medicine pressing and extracting device is clamped and connected with the inner wall of the through groove 8, and the first sealing plate 10 is fixedly connected with the inner wall of the through groove 8 or clamped in the through groove 8. On the limiting boss in the groove, the second filter screen is movably clamped in the through groove. In the above structure, the second filter screen is movably installed, which can be easily removed to clean the residue or replace it, and the first sealing plate is fixedly connected or clamped on the boss in the through groove, so that the first sealing plate can also be replaced. . The second cover plate is movably clamped, so that the second cover plate can be controlled to move downward through the connecting rod.

The liquid outlet part 3 includes a liquid outlet pipe 28 and a valve 29 . The liquid outlet pipe 28 runs through the lower end of the squeeze tank 3 , and a valve 29 is provided at one end of the liquid outlet pipe 28 extending to the outside of the squeeze tank 3 . In the above structure, the liquid storage tank is used for liquid discharge, and the valve is used to realize the on-off control of the liquid storage tank.

The inner bottom surface of the squeeze tank 3 is designed to be a downwardly protruding arc structure.

A plurality of support legs 31 are fixedly arranged at the lower end of the squeeze tank 3 .

The Chinese herbal medicine pressing and extracting device of the present invention, when pressing and extracting the Chinese herbal medicine, is to press the raw material of the Chinese herbal medicine, so that the medicinal liquid and the residue (dregs) in the raw material are separated, and the medicinal liquid is collected by the collecting part after flowing out. The residue is isolated by filtration. When the Chinese herbal medicine needs to be pressed, the operator opens the top cover, adds the Chinese herbal medicine to be pressed into the pressing tank through the opening, the Chinese herbal medicine raw material falls on the partition, and then closes the top cover, the top cover and the pressing tank are fixedly connected by bolts, and then The expansion and contraction of the telescopic cylinder is controlled by the control component, the telescopic cylinder drives the movement rod to move up and down, and the movement rod drives the trapezoidal plate to move up and down to press the Chinese herbal medicine in the pressing tank. Move the dial plate), the connecting rod drives the second sealing plate to move downward, and the sealing column (arc-shaped sealing column) on the second sealing plate leaves the corresponding slot (arc-shaped groove) on the first sealing plate, The squeezed liquid passes through multiple arc grooves, flows into the through groove, and finally leaks to the bottom of the squeeze tank through multiple leakage holes on the second sealing plate. The residue will remain above the second filter screen, and a small amount of leakage The residue will also be intercepted by the first filter screen on the filter plate of the filter part at the bottom, and the final medicinal liquid will flow out to the collecting part through the liquid outlet part at the inner bottom of the squeeze tank to realize the medicinal liquid collection. The device of the present invention has a simple and novel structure, low production and use costs, a total of two layers of filtering devices, and both the first filter screen and the second filter screen can be disassembled, which is convenient for cleaning and prevents cross-contamination. The filtration purity can reach more than 95%. By setting the liquid outlet device, the elastic device, the separation device and the filter device to cooperate with each other, the liquid and the residue can be separated easily and quickly, and the filtration quality is improved; the structure at A in Figure 1 can control the outflow of the liquid medicine at a constant speed and slowly, which can increase the filtration efficiency; When in use, the filter can be started or stopped with one key by turning the dial of the device at A, which is convenient to operate.

The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-mentioned methods, as long as various improvements made by the method concept and technical solutions of the present invention are adopted, or the present invention is modified without improvement. If the concept and technical solution of the invention are directly applied to other occasions, they are all within the protection scope of the present invention.

Claims (10)

1. A device for pressing and extracting Chinese herbal medicines, characterized in that: comprising a pressing tank (1), a top cover (2) is buckled at the opening at the upper end of the pressing tank (1), and a liquid outlet part (3) is provided at the lower end of the pressing tank (1). ), the top cover (2) is provided with a telescopic cylinder (4), the telescopic cylinder (4) is connected with the upper end of the moving rod (5) that passes through the top cover (2), and the lower end of the moving rod (5) is provided with a pressing part (6) , the lower surface of the pressing part (6) is in a trapezoidal structure, and a separator (7) is arranged under the pressing part (6) in the pressing tank (3), and the upper surface of the separator (7) is in a trapezoidal structure, and the separator (7) ) is provided with a through groove (8) penetrating the partition plate (7), and a first filter screen (9), a first sealing plate (10) and a second sealing plate (11) are arranged in the through groove (8) in order from top to bottom. ), the upper surface of the second sealing plate (11) is provided with a plurality of protruding sealing posts (12), the first sealing plate (10) is provided with slots (13) corresponding to the number and position of the sealing posts (12), The second sealing plate (11) is provided with a plurality of liquid leakage holes (14) penetrating the second sealing plate (11), and the side wall of the pressing tank (3) is provided with a strip groove (15) passing through the pressing tank (3). The grooves (15) are arranged vertically, and the connecting rods (16) on the side surfaces of the second sealing plate (11) extend through the strip grooves (15) to the outside of the press tank (3). 2. The device for pressing and extracting Chinese herbal medicine according to claim 1, characterized in that: the second sealing plate (11) of the device for pressing and extracting Chinese herbal medicine is movably arranged in the through groove (8), and the partition plate (4) The lower surface is also provided with a sliding cavity (17), the sliding cavity (17) communicates with the through groove (8) through the connecting channel (30), and a spring (18) and a sliding rod (19) are arranged in the sliding cavity (17) in sequence, and the sliding rod (19) is fixedly connected with the side surface of the second sealing plate (11) through the fixing rod (20). 3. The Chinese herbal medicine pressing and extracting device according to claim 1 or 2, characterized in that: a filter element (21) is provided in the pressing tank (3) of the Chinese herbal medicine pressing and extracting device at a position below the partition plate (7). , the filter component (21) comprises a positioning sleeve (22), a filter plate (23), a transverse groove (24), the transverse groove (24) is arranged on the side wall of the pressing tank (3), and the filter plate (23) is provided with a first A filter screen (25), one end of the filter plate (23) is clamped in the positioning sleeve (22), and the pull ring (26) at the other end of the filter plate (23) extends through the transverse groove (24) to the pressing tank (3) )external. 4. The device for pressing and extracting Chinese herbal medicine according to claim 2, characterized in that: the sliding cavity (17) of the device for pressing and extracting Chinese herbal medicine is set as a structure vertically arranged on the partition plate (7), and the sliding cavity (17) is arranged vertically on the partition plate (7). The sliding rod (19) in 17) is arranged vertically, the spring (18) is sleeved on the sliding rod (19), the fixing rod (20) is vertically arranged with the sliding rod (19), and one end of the spring (18) is connected with the sliding cavity (17) The bottom is fixedly connected, the other end of the spring (18) is fixedly connected with the fixing rod (20), and the spring (18) is arranged in a structure capable of exerting upward pulling force on the fixing rod (20). 5. The device for pressing and extracting Chinese herbal medicine according to claim 1 or 2, characterized in that: the connecting rod (16) of the device for pressing and extracting Chinese herbal medicine extends to one end outside the pressing tank (3) and is fixedly provided with a dial (16). 27), the connecting rod (16) is set to a structure that can slide up and down in the strip groove (15), and when a downward external force is applied to drive the dial (27) to move downward, the dial (27) is set to be able to apply The downward force is on the connecting rod (16), so as to drive the second sealing plate (11) to move downward through the connecting rod (16), when the connecting rod (16) drives the second sealing plate (11) to move downward , the sealing post (12) on the second sealing plate (11) is arranged to be able to withdraw from the slot (14) on the first sealing plate (10). 6. The device for pressing and extracting Chinese herbal medicine according to claim 1 or 2, characterized in that: a telescopic cylinder (4) of the device for pressing and extracting Chinese herbal medicine and a control part (32) capable of controlling the expansion and contraction of the telescopic cylinder (4) When the control part (32) controls the expansion and contraction of the telescopic cylinder (4), the telescopic cylinder (3) is arranged to be able to drive the lower surface of the pressing part (6) and the upper surface of the partition plate (7) to continuously approach and move away through the movement rod (5). , so as to press the Chinese herbal medicine between the lower surface of the pressing part (6) and the upper surface of the separator (7). 7. The device for pressing and extracting Chinese herbal medicine according to claim 1 or 2, characterized in that: the second filter screen (9) in the through groove (8) on the partition plate (7) of the device for pressing and extracting Chinese herbal medicine ) is clamped and connected with the inner wall of the through groove (8), the first sealing plate (10) is fixedly connected with the inner wall of the through groove (8), and the second sealing plate (11) is movably clamped in the through groove (8). 8. The device for pressing and extracting Chinese herbal medicine according to claim 1 or 2, wherein the liquid outlet part (3) comprises a liquid outlet pipe (28) and a valve (29), and the liquid outlet pipe (28) runs through A valve (29) is provided at the lower end of the pressing tank (3), and one end of the liquid outlet pipe (28) extending to the outside of the pressing tank (3). 9 . The device for pressing and extracting Chinese herbal medicine according to claim 1 or 2 , characterized in that: the inner bottom surface of the pressing tank ( 3 ) is designed to have a downwardly protruding arc structure. 10 . 10. The device for pressing and extracting Chinese herbal medicine according to claim 1 or 2, characterized in that: a plurality of supporting legs (31) are fixedly arranged at the lower end of the pressing tank (3).

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