A Chinese herbal medicine extraction device

Abstract

The present invention belongs to the technical field of Chinese medicinal material extraction, and in particular, is a Chinese medicinal material extraction device, comprising a cylinder, a cover plate rotatably connected at a material port, a steam-making furnace arranged next to the cylinder, the steam-making furnace being connected to the cylinder through a first pipeline, the steam-making furnace being connected to a blower through a second pipeline, an inner shaft being rotatably connected at the bottom of the cylinder, a sleeve shaft being sleeved on the inner shaft and being able to move along the axial direction of the inner shaft, two groups of symmetrically distributed stirring blades being fixed on the circumferential outer wall of the sleeve shaft, a driving component being connected to the inner shaft, a push-pull mechanism being connected to the sleeve shaft, the driving component being used to drive the inner shaft to rotate, and the push-pull mechanism being used to drive the sleeve shaft to move up and down. In the present invention, the inner shaft, the sleeve shaft and the stirring blades are driven to rotate by the driving component to stir the Chinese medicinal materials, and during this process, the push-pull mechanism will drive the sleeve shaft to move up and down, so that the stirring blades can intermittently leave the Chinese medicinal materials, thereby effectively preventing the Chinese medicinal materials from being excessively stirred.

Description

Technical Field

[0001] The invention relates to the technical field of Chinese medicinal material extraction, and in particular to a Chinese medicinal material extraction device. Background Art

[0002] Traditional Chinese medicinal materials emphasize authentic medicinal materials, which refer to medicinal materials produced in a region with specific natural conditions and ecological environment. Because the production is relatively concentrated, the cultivation technology, harvesting and processing also have certain requirements, so that the quality and efficacy are better than the same medicinal materials produced in other regions. Chinese medicinal materials are of various types and sources, and various medicinal materials have various chemical components. The traditional extraction method of Chinese medicinal materials is decoction. Stirring is required during the extraction process to prevent local medicinal materials from being overheated and easily burnt, but stirring cannot be continued to avoid damage to the Chinese medicinal materials.

[0003] In order to solve the above problems, a Chinese patent with publication number CN217391639U discloses a Chinese herbal medicine extraction device, including a decoction cylinder, a first intermittent bevel gear is provided inside the decoction cylinder, the first intermittent bevel gear includes a stirring roller rotatably connected to the bottom end of the decoction cylinder through a bearing, a plurality of stirring blades are provided on the outer wall of the stirring roller inside the decoction cylinder, the first intermittent bevel gear is coaxially connected to the outer wall of the stirring roller outside the decoction cylinder, a rotating shaft is provided on one side of the first intermittent bevel gear, one end of the rotating shaft is coaxially connected to a second intermittent bevel gear meshing with the first intermittent bevel gear, the other end of the rotating shaft is coaxially connected to a motor, a steam heating mechanism is provided on one side of the decoction cylinder, the steam heating mechanism includes a blower, a steam making furnace located between the blower and the decoction cylinder, the steam making furnace is connected to the blower through a ventilation pipe, and the steam making furnace is connected to the decoction cylinder through a steam supply pipe. Although the existing technical problems have been solved, the following problems still exist: In this technical solution, when the two intermittent bevel gears disengage, the stirring blades continue to rotate due to inertia, and the period for the two intermittent bevel gears to engage again is very short, so the rotation speed of the stirring blades during the disengagement period is not much different, so the problem of over-stirring still exists. Summary of the invention

[0004] Based on the technical problems existing in the prior art, the present invention proposes a Chinese medicinal material extraction device.

[0005] The invention provides a Chinese medicinal material extraction device, comprising a cylinder, a material port is arranged at the edge position of the top of the cylinder, a cover plate is rotatably connected to the material port, a steam making furnace is arranged beside the cylinder, the steam making furnace is connected to the cylinder through a first pipeline, the steam making furnace is connected to a blower through a second pipeline, an exhaust hole is opened at the rear position of the circumferential outer wall of the cylinder, an inner shaft is rotatably connected to the bottom of the cylinder, a sleeve shaft which can move along the axial direction of the inner shaft is sleeved on the inner shaft, two groups of symmetrically distributed stirring blades are fixed on the circumferential outer wall of the sleeve shaft, a driving rotation component is connected to the inner shaft, the sleeve shaft is connected to a push-pull mechanism, the driving rotation component is used to drive the inner shaft to rotate, the push-pull mechanism The mechanism is used to drive the sleeve shaft to move up and down, open the cover plate and then add Chinese medicinal materials into the cylinder, then close the cover plate, turn on the blower and start the steam making furnace, the blower blows wind into the steam making furnace through the second pipe, water vapor is produced inside the steam making furnace, the wind blown in from the second pipe carries the water vapor into the cylinder from the first pipe, so as to realize steam heating of the Chinese medicinal materials, at the same time, the inner shaft, sleeve shaft and stirring blades are driven to rotate by the driving component to stir the Chinese medicinal materials, during this process, the push-pull mechanism drives the sleeve shaft to move up and down, so that the stirring blades can intermittently leave the Chinese medicinal materials, thereby effectively preventing the Chinese medicinal materials from being excessively stirred.

[0006] Preferably, the driving assembly includes a motor, a mounting frame is fixed at the bottom of the cylinder, the motor is fixed on the mounting frame, gear cylinders are installed on the output shaft and the inner shaft of the motor, and the two gear cylinders are connected by a synchronous belt. After starting the motor, the output shaft of the motor will drive one of the gear cylinders to rotate, and then it will drive the other gear cylinder and the inner shaft to rotate through the synchronous belt.

[0007] Preferably, the push-pull mechanism consists of a reciprocating component and a synchronous component, the reciprocating component includes a guide frame fixed on the side of the cylinder, the guide frame is provided with a guide groove, a guide block is slidably connected in the guide groove, a connecting rod is fixed to the outside of the guide block, a shaft column is fixed to the top end of the sleeve shaft, the top end of the shaft column passes through the cylinder body and is rotatably connected to the connecting rod, a reciprocating screw is rotatably connected in the guide groove, a transmission connection is formed between the reciprocating screw and the guide block, the reciprocating screw is connected to the inner shaft through the synchronous component, when the inner shaft rotates, the reciprocating screw will be driven to rotate through the synchronous component, and then the reciprocating screw will drive the guide block to move back and forth along the guide groove, and the guide block will synchronously drive the connecting rod, the shaft column and the sleeve shaft to move.

[0008] Preferably, the synchronous component includes a belt and a pair of pulleys, the two pulleys are fixedly mounted on the inner shaft and the bottom end of the reciprocating screw respectively, and the belt is connected between the two pulleys, so that when the inner shaft rotates, the reciprocating screw will be driven to rotate through the transmission cooperation of the pulley and the belt.

[0009] Preferably, the push-pull mechanism includes a bottom rod located below the cylinder body, the bottom rod has an L-shaped cross-section, an elastic connection is formed between the bottom rod and the cylinder body, a push block with an inclined surface is provided on the top of the bottom rod, a socket is provided on the top of the cylinder body, the push rod is inserted in the socket, the top end of the push rod is rotatably connected to the top end of the sleeve shaft, the bottom end of the push rod abuts on the inclined surface, and a mounting block that can contact the end of the bottom rod is fixed on the outer surface of the synchronous belt. When the synchronous belt rotates, the mounting block on the synchronous belt will periodically contact the bottom rod, and then the mounting block will push the bottom rod to move, and the push block on the bottom rod will push the push rod upward through the inclined surface, and the push rod will drive the sleeve shaft upward. When the mounting block and the bottom rod are out of contact, the bottom rod will reset and move, and the sleeve shaft will move downward.

[0010] Preferably, a pair of ear seats are fixed at the bottom of the cylinder, guide posts are fixed on the ear seats, a pair of guide holes are opened on the bottom rod for the corresponding guide posts to pass through, a spring is sleeved on the guide post, and the two ends of the spring are respectively fixedly connected to the bottom rod and the ear seats, so that an elastic connection can be formed between the bottom rod and the cylinder through the spring, the bottom rod can be driven to reset and move through the spring, and the bottom rod can be laterally limited and moved through the cooperation of the guide holes and the guide posts.

[0011] Preferably, the bottom end of the push rod is rotatably connected to a pair of rollers via a rotating shaft, and the rollers are in rolling contact with the inclined surface, so that rolling friction can be formed between the push rod and the inclined surface through the rollers, thereby making the movement process of the push rod smoother.

[0012] Preferably, the cross-section of the stirring blade is a <-shaped structure with the pointed end facing downward, so that when the stirring blade moves upward, more Chinese medicinal materials can be lifted up and then dropped down, so that the Chinese medicinal materials can be dispersed as much as possible and avoid being piled together, so that they can be better stirred. When the stirring blade moves downward, the shape of the lower surface of the stirring blade will push the Chinese medicinal materials on both sides apart, thereby avoiding crushing the Chinese medicinal materials.

[0013] Preferably, a pair of sliders are provided on the circumferential inner wall of the sleeve shaft, and a pair of sliding grooves are opened on the circumferential outer wall of the inner shaft, and a sliding fit is formed between the sliding grooves and the sliders. In this way, the sleeve shaft can be limitedly moved in the up and down directions through the fit between the sliding grooves and the sliders, and the sleeve shaft can be kept rotating with the inner shaft.

[0014] Compared with the prior art, the present invention provides a Chinese medicinal material extraction device, which has the following beneficial effects: 1. A Chinese medicinal material extraction device, which is provided with a stirring blade that can move up and down, and drives the inner shaft, sleeve shaft and stirring blade to rotate through a driving component to stir the Chinese medicinal materials. During this process, the push-pull mechanism drives the sleeve shaft to move up and down, so that the stirring blade can intermittently leave the Chinese medicinal materials, thereby effectively preventing the Chinese medicinal materials from being over-stirred.

[0015] 2. A Chinese herbal medicine extraction device is provided with a reciprocating screw. When the inner shaft rotates, the reciprocating screw is driven to rotate through the transmission cooperation of the pulley and the belt, and then the reciprocating screw drives the guide block to move back and forth along the guide groove, and the guide block synchronously drives the connecting rod, shaft column and sleeve shaft to move.

[0016] 3. A Chinese herbal medicine extraction device, by setting a push rod, when the synchronous belt rotates, the mounting block on the synchronous belt will periodically contact the bottom rod, and then the mounting block will push the bottom rod to move, and the push block on the bottom rod will push the push rod upward through the inclined surface, and the push rod will drive the sleeve shaft upward, when the mounting block and the bottom rod are out of contact, the bottom rod will reset and move, and the sleeve shaft will move downward.

[0017] 4. A Chinese medicinal material extraction device is provided with a stirring blade with a <-shaped structure. When the stirring blade moves upward, more Chinese medicinal materials can be lifted up and then dropped down, so that the Chinese medicinal materials can be dispersed as much as possible to avoid the Chinese medicinal materials being piled together, so that they can be better stirred. When the stirring blade moves downward, the shape of the lower surface of the stirring blade will push the Chinese medicinal materials to both sides, thereby avoiding the Chinese medicinal materials being crushed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a Chinese medicinal material extraction device proposed by the present invention from a first angle; Figure 2 This is a schematic diagram of the structure of a Chinese medicinal material extraction device proposed by the present invention from a second angle; Figure 3 A schematic diagram of the internal structure of a Chinese medicinal material extraction device proposed by the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure at point A; Figure 5 This is a schematic diagram of the overall structure of a Chinese medicinal material extraction device proposed in Example 2 of the present invention; Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure at B; Figure 7 A schematic diagram of a roller installation structure of a Chinese herbal medicine extraction device proposed by the present invention; Figure 8 This is a schematic diagram of the installation structure between the inner shaft and the sleeve shaft of a Chinese medicinal material extraction device proposed by the present invention; Fig. 9 For the present invention Figure 8 Enlarged structural diagram at C.

[0019] In the figure: 1. cylinder; 2. cover plate; 3. steam making furnace; 4. blower; 5. first pipeline; 6. second pipeline; 7. inner shaft; 8. sleeve shaft; 9. stirring blade; 10. mounting frame; 11. motor; 12. gear cylinder; 13. synchronous belt; 14. guide frame; 15. guide groove; 16. guide block; 17. reciprocating screw; 18. connecting rod; 19. shaft column; 20. pulley; 21. belt; 22. bottom rod; 23. push rod; 24. push block; 25. mounting block; 26. ear seat; 27. guide hole; 28. guide column; 29. ​​spring; 30. rotating shaft; 31. roller; 32. slide groove; 33. slider; 34. socket. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are 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 cannot be understood as a limitation on the present invention.

[0022] Reference Figure 1-Figure 9 A Chinese medicinal material extraction device comprises a cylinder 1, a material port is arranged at the edge position of the top of the cylinder 1, a cover plate 2 is rotatably connected to the material port, a steam making furnace 3 is arranged next to the cylinder 1, the steam making furnace 3 is connected to the cylinder 1 through a first pipe 5, the steam making furnace 3 is connected to a blower 4 through a second pipe 6, an exhaust hole is opened at the rear position of the circumferential outer wall of the cylinder 1, an inner shaft 7 is rotatably connected to the bottom of the cylinder 1, a sleeve shaft 8 which can move along the axial direction of the inner shaft 7 is sleeved on the inner shaft 7, two groups of symmetrically distributed stirring blades 9 are fixed on the circumferential outer wall of the sleeve shaft 8, the inner shaft 7 is connected to a driving rotation component, the sleeve shaft 8 is connected to a push-pull mechanism, the driving rotation component is used to drive the inner shaft 7 to rotate, and the push-pull mechanism It is used to drive the sleeve shaft 8 to move up and down, open the cover plate 2 and then add Chinese medicinal materials into the cylinder body 1, then close the cover plate 2, turn on the blower 4 and start the steam making furnace 3, the blower 4 blows wind into the steam making furnace 3 through the second pipe 6, water vapor is produced inside the steam making furnace 3, the wind blown in by the second pipe 6 carries the water vapor into the cylinder body 1 through the first pipe 5, so as to realize steam heating of the Chinese medicinal materials, at the same time, the inner shaft 7, the sleeve shaft 8 and the stirring blade 9 are driven to rotate by the driving component to stir the Chinese medicinal materials, during this process, the push-pull mechanism will drive the sleeve shaft 8 to move up and down, so that the stirring blade 9 can intermittently leave the Chinese medicinal materials, thereby effectively preventing the Chinese medicinal materials from being over-stirred.

[0023] Among them, the driving component includes a motor 11, a mounting frame 10 is fixed at the bottom of the cylinder 1, the motor 11 is fixed on the mounting frame 10, and a gear cylinder 12 is installed on the output shaft of the motor 11 and the inner shaft 7. The two gear cylinders 12 are connected by a synchronous belt 13. After starting the motor 11, the output shaft of the motor 11 will drive one of the gear cylinders 12 to rotate, and then it will drive the other gear cylinder 12 and the inner shaft 7 to rotate through the synchronous belt 13.

[0024] In Example 1, the push-pull mechanism consists of a reciprocating component and a synchronous component. The reciprocating component includes a guide frame 14 fixed to the side of the cylinder 1. The guide frame 14 is provided with a guide groove 15. A guide block 16 is slidably connected in the guide groove 15. A connecting rod 18 is fixed to the outside of the guide block 16. A shaft column 19 is fixed to the top of the sleeve shaft 8. The top of the shaft column 19 passes through the cylinder 1 and is rotatably connected to the connecting rod 18. A reciprocating screw 17 is rotatably connected in the guide groove 15. A transmission connection is formed between the reciprocating screw 17 and the guide block 16. The reciprocating screw 17 is connected to the inner shaft 7 through the synchronous component. When the inner shaft 7 rotates, the reciprocating screw 17 will be driven to rotate through the synchronous component, and then the reciprocating screw 17 will drive the guide block 16 to move back and forth along the guide groove 15, and the guide block 16 will synchronously drive the connecting rod 18, the shaft column 19 and the sleeve shaft 8 to move.

[0025] Among them, the synchronous component includes a belt 21 and a pair of pulleys 20. The two pulleys 20 are fixedly mounted on the bottom ends of the inner shaft 7 and the reciprocating screw 17 respectively. The belt 21 is connected between the two pulleys 20. In this way, when the inner shaft 7 rotates, the reciprocating screw 17 will be driven to rotate through the transmission cooperation of the pulley 20 and the belt 21.

[0026] In Example 2, the push-pull mechanism includes a bottom rod 22 located below the cylinder 1. The cross-section of the bottom rod 22 is L-shaped, and an elastic connection is formed between the bottom rod 22 and the cylinder 1. A push block 24 with an inclined surface is provided on the top of the bottom rod 22, and a socket 34 is opened on the top of the cylinder 1. The push rod 23 is inserted in the socket 34. The top of the push rod 23 is rotatably connected to the top of the sleeve shaft 8, and the bottom end of the push rod 23 abuts on the inclined surface. The outer surface of the synchronous belt 13 is fixed with a mounting block 25 that can contact the end of the bottom rod 22. When the synchronous belt 13 rotates, the mounting block 25 on the synchronous belt 13 will periodically contact the bottom rod 22, and then the mounting block 25 will push the bottom rod 22 to move, and the push block 24 on the bottom rod 22 will push the push rod 23 upward through the inclined surface, and the push rod 23 will drive the sleeve shaft 8 upward. When the mounting block 25 and the bottom rod 22 are out of contact, the bottom rod 22 will reset and move, and the sleeve shaft 8 will move downward.

[0027] Among them, a pair of ear seats 26 are fixed at the bottom of the cylinder 1, and a guide column 28 is fixed on the ear seat 26. A pair of guide holes 27 are opened on the bottom rod 22 for the corresponding guide columns 28 to pass through. A spring 29 is sleeved on the guide column 28, and the two ends of the spring 29 are respectively fixedly connected to the bottom rod 22 and the ear seat 26. In this way, an elastic connection can be formed between the bottom rod 22 and the cylinder 1 through the spring 29, and the bottom rod 22 can be driven to reset and move through the spring 29. The bottom rod 22 can be moved laterally by the cooperation of the guide hole 27 and the guide column 28.

[0028] Furthermore, the bottom end of the push rod 23 is rotatably connected to a pair of rollers 31 via a rotating shaft 30, and the rollers 31 are in rolling contact with the inclined surface, so that rolling friction can be formed between the push rod 23 and the inclined surface through the rollers 31, thereby making the movement process of the push rod 23 smoother.

[0029] Furthermore, the cross-section of the stirring blade 9 is a <-shaped structure with the pointed end facing downward, so that when the stirring blade 9 moves upward, more Chinese medicinal materials can be lifted up and then dropped down, so that the Chinese medicinal materials can be dispersed as much as possible and avoid being piled together, so that they can be better stirred. When the stirring blade 9 moves downward, the shape of the lower surface of the stirring blade 9 will push the Chinese medicinal materials on both sides apart, thereby avoiding crushing the Chinese medicinal materials.

[0030] Among them, a pair of sliders 33 are provided on the circumferential inner wall of the sleeve shaft 8, and a pair of sliding grooves 32 are opened on the circumferential outer wall of the inner shaft 7. A sliding fit is formed between the sliding grooves 32 and the sliders 33. In this way, the sleeve shaft 8 can be limitedly moved in the up and down directions through the cooperation between the sliding grooves 32 and the sliders 33, and the sleeve shaft 8 can be kept rotating together with the inner shaft 7.

[0031] Working principle: open the cover plate 2 and then add Chinese medicinal materials into the cylinder 1, then close the cover plate 2, turn on the blower 4 and start the steam making furnace 3, the blower 4 blows the wind into the steam making furnace 3 through the second pipe 6, and water vapor is produced inside the steam making furnace 3, and the wind blown in from the second pipe 6 carries the water vapor into the cylinder 1 from the first pipe 5, so as to realize steam heating of the Chinese medicinal materials, and at the same time start the motor 11, the output shaft of the motor 11 will drive one of the gear cylinders 12 to rotate, and then drive the other gear cylinder 12 and the inner shaft 7, the sleeve shaft 8 and the stirring blade 9 to rotate through the synchronous belt 13, so as to stir the Chinese medicinal materials, and in this process, the push-pull mechanism will drive the sleeve shaft 8 to move up and down, so that the stirring blade 9 can intermittently leave the Chinese medicinal materials, so as to effectively prevent the Chinese medicinal materials from being over-stirred; The push-pull mechanism works as follows: When the inner shaft 7 rotates, the reciprocating screw 17 will be driven to rotate through the transmission cooperation of the pulley 20 and the belt 21, and then the reciprocating screw 17 will drive the guide block 16 to move back and forth along the guide groove 15, and the guide block 16 will synchronously drive the connecting rod 18, the shaft column 19 and the sleeve shaft 8 to move; When the synchronous belt 13 rotates, the mounting block 25 on the synchronous belt 13 will periodically contact the bottom rod 22, and then the mounting block 25 will push the bottom rod 22 to move, and the push block 24 on the bottom rod 22 will push the push rod 23 upward through the inclined surface, and the push rod 23 will drive the sleeve shaft 8 upward. When the mounting block 25 and the bottom rod 22 are out of contact, the bottom rod 22 will reset and move, and the sleeve shaft 8 will move downward.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A Chinese herbal medicine extraction device, comprising a cylinder (1), characterized in that: The top edge of the cylinder (1) is provided with a material opening, to which a cover plate (2) is rotatably connected; a steam-generating furnace (3) is provided next to the cylinder (1); the steam-generating furnace (3) is connected to the cylinder (1) via a first pipe (5); the steam-generating furnace (3) is connected to a blower (4) via a second pipe (6); an exhaust hole is provided at the rear of the circumferential outer wall of the cylinder (1); an inner shaft (7) is rotatably connected to the bottom of the cylinder (1); a sleeve shaft (8) is sleeved on the inner shaft (7) and is movable along the axial direction of the inner shaft (7); two groups of symmetrically distributed stirring blades (9) are fixed to the circumferential outer wall of the sleeve shaft (8); the inner shaft (7) is connected to a driving assembly; and the sleeve shaft (8) is connected to a push-pull mechanism; The driving assembly is used to drive the inner shaft (7) to rotate; The push-pull mechanism is used to drive the sleeve shaft (8) to move up and down.

2. A Chinese medicinal material extraction device according to claim 1, characterized in that: The driving assembly comprises a motor (11), a mounting frame (10) is fixed to the bottom of the cylinder (1), the motor (11) is fixed to the mounting frame (10), a gear cylinder (12) is installed on the output shaft of the motor (11) and the inner shaft (7), and the two gear cylinders (12) are connected via a synchronous belt (13).

3. A Chinese medicinal material extraction device according to claim 1, characterized in that: The push-pull mechanism is composed of a reciprocating assembly and a synchronous assembly. The reciprocating assembly includes a guide frame (14) fixed to the side of the barrel (1). The guide frame (14) is provided with a guide groove (15). A guide block (16) is slidably connected in the guide groove (15). A connecting rod (18) is fixed to the outside of the guide block (16). A shaft column (19) is fixed to the top end of the sleeve shaft (8). The top end of the shaft column (19) passes through the barrel (1) and is rotatably connected to the connecting rod (18). A reciprocating screw (17) is rotatably connected in the guide groove (15). A transmission connection is formed between the reciprocating screw (17) and the guide block (16). The reciprocating screw (17) is connected to the inner shaft (7) through the synchronous assembly.

4. A Chinese medicinal material extraction device according to claim 3, characterized in that: The synchronous assembly comprises a belt (21) and a pair of pulleys (20), the two pulleys (20) being fixedly sleeved on the inner shaft (7) and the bottom end of the reciprocating screw (17) respectively, and the belt (21) being connected between the two pulleys (20).

5. The Chinese medicinal material extraction equipment according to claim 1, characterized in that: The push-pull mechanism comprises a bottom rod (22) located below the cylinder (1), the bottom rod (22) having an L-shaped cross section, an elastic connection being formed between the bottom rod (22) and the cylinder (1), a push block (24) having an inclined surface being provided at the top of the bottom rod (22), a socket (34) being provided at the top of the cylinder (1), a push rod (23) being inserted into the socket (34), the top end of the push rod (23) being rotatably connected to the top end of the sleeve shaft (8), the bottom end of the push rod (23) being in contact with the inclined surface, and a mounting block (25) being fixed to the outer surface of the synchronous belt (13) and being capable of contacting the end of the bottom rod (22).

6. The Chinese medicinal material extraction equipment according to claim 5, characterized in that: A pair of ear seats (26) are fixed at the bottom of the cylinder (1), a guide column (28) is fixed on the ear seat (26), a pair of guide holes (27) are opened on the bottom rod (22) for the corresponding guide columns (28) to pass through, a spring (29) is sleeved on the guide column (28), and two ends of the spring (29) are respectively fixedly connected to the bottom rod (22) and the ear seat (26).

7. The Chinese medicinal material extraction equipment according to claim 5, characterized in that: The bottom end of the push rod (23) is rotatably connected to a pair of rollers (31) via a rotating shaft (30), and the rollers (31) are in rolling contact with the inclined surface.

8. The Chinese medicinal material extraction equipment according to claim 1, characterized in that: The cross section of the stirring blade (9) is a <-shaped structure with the pointed end facing downward.

9. The Chinese medicinal material extraction equipment according to claim 1, characterized in that: A pair of sliding blocks (33) are provided on the circumferential inner wall of the sleeve shaft (8), and a pair of sliding grooves (32) are provided on the circumferential outer wall of the inner shaft (7), wherein a sliding fit is formed between the sliding grooves (32) and the sliding blocks (33).

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