CN111467235A

CN111467235A - Extrusion type decoction method and extrusion type traditional Chinese medicine decoction barrel assembly

Info

Publication number: CN111467235A
Application number: CN202010540336.2A
Authority: CN
Inventors: 蔡永潮
Original assignee: Hangzhou Yiyin Health Technology Co Ltd
Current assignee: Zhejiang Houdar Intelligent Technology Co Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-07-31
Anticipated expiration: 2040-06-15
Also published as: CN111467235B

Abstract

The invention discloses an extrusion type decoction method, which comprises the following steps of firstly, filling raw materials into a decoction barrel; the second step, heat for the raw and other materials in the bucket of decocting medicinal herbs, make the extrusion dish go up and down to reciprocate through pressing a set actuating mechanism in the heating process, thereby the cooperation is extruded raw and other materials to the roof of the bucket of decocting medicinal herbs when the extrusion dish goes up and is played the effect that promotes the liquid composition among the raw and other materials and flow out, sets up the drive unit that rises the switch and be equipped with magnet that acts on the switch that rises in the bottom wall outside of the bucket of decocting medicinal herbs, presses the ferromagnetic body on the dish when pressing the dish and rising to the settlement position magnet adsorbs and makes drive unit drive decline switch, presses a set actuating mechanism drive when decline switch is driven and presses the dish and rise. The invention provides an extrusion type decoction method with a good effect of promoting the outflow of decoction, and solves the problem that the effective ingredients of medicinal materials cannot be decocted out quickly when the traditional decoction is carried out through an induction cooker.

Description

Extrusion type decoction method and extrusion type traditional Chinese medicine decoction barrel assembly

Technical Field

The invention belongs to the technical field of production of traditional Chinese medicine preparations, and particularly relates to an extrusion type decoction method and an extrusion type traditional Chinese medicine decoction barrel assembly.

Background

The decoction is an essential link in the production of traditional Chinese medicines, the traditional Chinese medicines are decocted on an electric stove or an induction cooker, and the traditional Chinese medicines are decocted by the induction cooker, and the like, so that the following defects exist: effective components such as decoction in the traditional Chinese medicinal materials are not easy to be quickly decocted in the decoction process, the traditional method for accelerating decoction is to design a stirring mechanism to stir while decocting, and the stirring mode has the defect of poor effect of promoting the decoction to flow out.

Disclosure of Invention

The invention provides an extrusion type decoction method with a good effect of promoting the outflow of decoction, and solves the problem that the effective ingredients of medicinal materials cannot be decocted out quickly when the traditional decoction is carried out through an induction cooker.

The technical problem is solved by the following technical scheme: an extrusion type decoction method is characterized in that, firstly, raw materials are filled into a decoction barrel; the second step, heat for the raw and other materials in the bucket of decocting medicinal herbs, make the extrusion dish go up and down to reciprocate through pressing a set actuating mechanism in the heating process, thereby the cooperation is extruded raw and other materials to the roof of the bucket of decocting medicinal herbs when the extrusion dish goes up and is played the effect that promotes the liquid composition among the raw and other materials and flow out, sets up the drive unit that rises the switch and be equipped with magnet that acts on the switch that rises in the bottom wall outside of the bucket of decocting medicinal herbs, presses the ferromagnetic body on the dish when pressing the dish and rising to the settlement position magnet adsorbs and makes drive unit drive decline switch, presses a set actuating mechanism drive when decline switch is driven and presses the dish and rise.

The invention also provides an extrusion type traditional Chinese medicine decoction barrel assembly which comprises a decoction barrel with a cylindrical inner peripheral surface and an electric heater for heating materials in the decoction barrel, it is characterized by also comprising a pressing disc which is arranged in the decoction barrel and is matched with the top wall of the decoction barrel to extrude the materials in the decoction barrel and a pressing disc driving mechanism which is positioned outside the decoction barrel and drives the pressing disc to lift, a driving block and a lifting switch which drives the pressing disc to move upwards by the pressing disc driving mechanism are arranged outside the bottom wall of the decoction barrel, the lifting switch is a press switch, the press head of the lifting switch faces downwards, the driving block is connected with the outside of the decoction barrel through a supporting spring, the driving block is positioned right below the pressing head of the descending switch, the pressing block is provided with a magnet, and the pressing disc is provided with a ferromagnet matched with the magnet; when the pressing disc descends to a set bottommost position, the magnet adsorbs the ferromagnetic body to drive the driving block to ascend to press the pressing head of the ascending switch; when the driving block presses the pressing head of the ascending switch, the pressing plate driving mechanism drives the pressing plate to ascend. The setting mode of the ascending switch of the technical scheme realizes the ascending control of the pressing disc on the premise of not damaging the sealing property of the decoction barrel. The descending switch is located outside the decoction barrel, is not easy to be damaged by high-temperature and humidity and is not easy to pollute the future. During the use, the medicinal material is put in the space that the bucket of decocting medicinal herbs is located pressing the pressure dish top, and the process of decocting medicinal herbs is pressing a set actuating mechanism drive to press the dish and reciprocate, presses a set cooperation bucket roof of decocting medicinal herbs to extrude the medicinal material when moving up to play the especially composition of liquid of active ingredient in the promotion medicinal material and flow out with higher speed.

Preferably, the electric heater is provided in the pressing plate, and an upper surface of the pressing plate constitutes a heat radiation surface for radiating heat generated by the electric heater. Can improve the liquid outflow effect during decoction.

The invention also comprises a pressing force limiting mechanism and a descending switch which enables the pressing disc driving mechanism to drive the pressing disc to move upwards, the pressing disc is provided with a vertical pressing rod with the lower end positioned outside the top wall of the decoction barrel, the pressing disc driving mechanism is connected with the pressing disc through the vertical pressing rod, a sliding cavity with the lower end sealed is arranged on the upper surface of the pressing disc, the lower end of the sliding cavity is provided with a large-diameter section, a limiting step is formed between the large-diameter section and the sliding cavity, a movable pressing block is connected in the sliding cavity in a sliding and sealing manner, a liquid storage cavity is enclosed between the movable pressing block and the pressing disc, the movable pressing block is provided with a hooking block, the pressing force limiting mechanism comprises a force limiting spring which pushes the movable pressing block upwards to enable the hooking block to be hooked on the limiting step, a sliding hole which is arranged at the upper end in the vertical pressing rod and communicated with the liquid storage cavity, and a sliding block which is connected in the sliding manner in a sealing manner in the sliding hole, the space of the sealing cavity and the sliding hole above the sliding block is filled with liquid, the opening area of the sliding hole is less than one percent of the opening area of the liquid storage cavity, the descending switch is fixed on the vertical pressing rod and is a pressing switch, and a pressing head of the descending switch is aligned with the sliding block along the vertical direction; when the force for pressing the pressing block downwards is greater than a set value, the force limiting spring contracts to enable the movable pressing block to move towards the liquid storage cavity, the movable pressing block moves towards the liquid storage cavity, the sliding block is driven to descend to press the pressing head of the descending switch, and the pressing disc driving mechanism drives the pressing disc to descend when the sliding block presses the pressing head of the descending switch. The volume of medicinal material is different, and the distance that needs to go up to press the dish needs to change, if the ascending distance is the same then can lead to the medicinal material to lack and extrude inadequately, lead to the too big card of putting of extrusion force to put in the perpendicular damage equipment that dies when many. This technical scheme can make no matter when the medicinal material is many, the maximum power when can both guaranteeing to extrude is the same, then presses the dish and unclamp the pressure after the power reaches the requirement. The pressing can be made sufficient and the device is not easily damaged.

The invention also comprises a vertical rotating shaft which is arranged in the vertical pressing rod in a penetrating way and extends to the upper surface of the movable pressing block, the downward projection area of the movable pressing block is more than 90% of the downward projection area of the pressing disc, the upper end of the vertical rotating shaft is connected with a plurality of scraping strips which scrape the upper surface of the pressing block, and the lower end of the vertical rotating shaft is connected with a rotating mechanism which drives the vertical rotating shaft to rotate. Can prevent that the medicinal material from being detained and sticking on moving the press block.

Preferably, the upper surface of the movable pressing block is provided with a plurality of avoiding grooves for accommodating the scraping strips in a one-to-one correspondence manner, when the scraping strips are positioned in the avoiding grooves, the scraping strips are completely accommodated in the avoiding grooves, and the rotating mechanism is connected to the part, outside the medicine decocting barrel, of the vertical pressing rod through the rotating shaft lifting mechanism. When pressing the medicinal material, scrape the strip holding and dodge the inslot, scrape the strip outstanding and bear great power and lead to self to damage and damage the surface smoothness who moves the press block when can avoiding pressing. The decline in-process is scraped to the scraping strip, and vertical pivot moves down the settlement distance and makes the scraping strip stretch out from dodging the inslot under pivot elevating system's effect when scraping, and then vertical pivot is rotatory, scrapes the strip and scrapes moving the upper surface according to the briquetting.

Preferably, the movable pressing block is provided with a sealing tube penetrating through the vertical pressing rod, the sealing tube is connected with the vertical pressing rod in a sealing and sliding manner, and the vertical rotating shaft penetrates through the sealing tube and is in clearance fit with the sealing tube and the vertical driving shaft. The sealing structure can not only keep reliable sealing between the transmission rotating shaft and the liquid storage cavity, but also increase the blocking caused by sealing when the vertical rotating shaft rotates. The maintenance and the replacement of the vertical rotating shaft are convenient.

Preferably, the force limiting spring is sleeved on a vertical thread head, an adjusting nut is connected to the vertical thread head in a threaded manner, the lower end of the force limiting spring is connected with the adjusting nut, and the upper end of the force limiting spring is connected with the movable pressing block. The pretightening force of the force limiting spring can be adjusted by adjusting the nut, namely the maximum pressing force during pressing is changed, so that the maximum pressing force can be adjusted to adapt to the pressing requirements of different traditional Chinese medicines.

The invention also comprises a knocking structure which is positioned above the decoction barrel and is used for knocking the top wall of the decoction barrel, and the top wall of the decoction barrel is of a spring plate structure. In the process of decocting the medicinal herbs, the top wall is knocked to prevent the medicinal herbs from adhering to the top wall.

As preferred, the roof top of decocting medicinal herbs bucket is equipped with spacing welt, be equipped with the deformation that supplies the roof to warp the usefulness between the roof of spacing welt and decocting medicinal herbs bucket and dodge the chamber, the vertical size that the chamber was dodged in deformation is less than 5 millimeters, strike structure includes the striking cylinder of impact bar and drive impact bar, the central department of spacing welt is equipped with the via hole that the worker impact bar passes through, the impact bar with the via hole aligns. Not only can keep the elastic deformation during knocking, but also can effectively extrude during pressing.

The invention has the following beneficial effects: the medicine can be extruded in the process of decocting the medicine, so that the effect of accelerating the rotation of the medicinal materials and accelerating the decoction of the effective components can be achieved.

Drawings

FIG. 1 is a schematic view of an extruded Chinese medicinal decoction barrel assembly of the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

Fig. 3 is a schematic top view of the pressing plate.

The figure is as follows: the device comprises a decoction barrel 1, a pressing plate 2, a pressing plate driving mechanism 3, a vertical pressing rod 5, a descending switch 6, a movable pressing block 7, a liquid storage cavity 8, a hooking block 9, a force limiting spring 10, a sliding hole 11, a sliding block 12, a pressing head 13 of the descending switch, a vertical rotating shaft 14, a scraping strip 15, a rotating mechanism 16, an avoiding groove 17, a rotating shaft lifting mechanism 18, a connecting seat 19, a connecting plate 20, a guide rod 21, a sealing pipe 22, a vertical thread head 23, an adjusting nut 24, an avoiding ring groove 25, a driving block 26, an ascending switch 27, a pressing head 28 of the ascending switch, a supporting spring 29, a ferromagnetic body 30, a limiting head 31, an overflow gap 32, a top wall 33 of the decoction barrel, a limiting lining plate 34, a deformation avoiding cavity 35, a striking rod 36, a striking cylinder 37 and a through hole 38.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 to 3, an extrusion type decoction method, first, the raw materials are loaded into a decoction barrel; the second step, heat for the raw and other materials in the bucket of decocting medicinal herbs, make the extrusion dish go up and down to reciprocate through pressing a set actuating mechanism in the heating process, thereby the cooperation is extruded raw and other materials to the roof of the bucket of decocting medicinal herbs when the extrusion dish goes up and is played the effect that promotes the liquid composition among the raw and other materials and flow out, sets up the drive unit that rises the switch and be equipped with magnet that acts on the switch that rises in the bottom wall outside of the bucket of decocting medicinal herbs, presses the ferromagnetic body on the dish when pressing the dish and rising to the settlement position magnet adsorbs and makes drive unit drive decline switch, presses a set actuating mechanism drive when decline switch is driven and presses the dish and rise. Is completed by an assembly of an extrusion type traditional Chinese medicine decoction barrel. Extrusion formula traditional chinese medicine decocting barrel assembly includes that the inner peripheral surface is the decocting barrel 1 of cylinder, sets up the diapire of the cooperation decocting barrel in the decocting barrel and presses dish 2 and the drive that is located the decocting barrel outside presses the dish actuating mechanism 3 that the pressure dish goes up and down to the material of decocting barrel extrudeing. The pressing disc driving mechanism is an air cylinder. The pressing disc is provided with a vertical pressing rod 5 the lower end of which is positioned outside the top wall of the decoction barrel. The pressing disc driving mechanism is connected with the pressing disc through a vertical pressing rod.

The invention also comprises a pressing force limiting mechanism and a descending switch 6 which enables the pressing disc driving mechanism to move downwards. An overflow gap 32 for liquid to pass through is arranged between the pressing disc and the inner surface of the decoction barrel. The width (along the radial size of decocting medicinal herbs bucket promptly) of overflow gap is below 2 millimeters to can produce the efflux when making to push down and wash the bucket wall of decocting medicinal herbs bucket, prevent to produce the adhesion. The pressing speed of the pressing disc is more than 5 meters per second. The upper surface of the pressing disc is provided with a sliding cavity with a closed upper end. The lower end of the sliding cavity is provided with a large-diameter section. And a limiting step is formed between the large-diameter section and the sliding cavity. The sliding cavity is connected with a movable pressing block 7 in a sliding and sealing way. The electric heater is arranged in the movable pressing block, and the upper surface of the movable pressing block forms a radiating surface for radiating heat generated by the electric heater. A liquid storage cavity 8 is enclosed between the movable pressing block and the pressing disc. The movable pressing block is provided with a hooking block 9. The hooking block is in the shape of a ring extending along the circumferential direction of the movable pressing block. The pressing force limiting mechanism comprises a force limiting spring 10, a sliding hole 11 and a sliding block 12, wherein the force limiting spring 10 enables the hooking block to be hooked on the limiting step through the lifting movable pressing block, the sliding hole 11 is formed in the vertical pressing rod, the upper end of the sliding hole is communicated with the liquid storage cavity, and the sliding block 12 is connected with a driving descending switch in the sliding hole in a sealing sliding mode. The space of the sealing cavity and the sliding hole above the sliding block is filled with liquid. The opening area of the sliding hole is less than one percent of the opening area of the liquid storage cavity. The descending switch is fixed on the vertical pressing rod. The descending switch is a press switch, and a press head 13 of the descending switch is aligned with the sliding block along the up-down direction; during the use, press the ascending roof of cooperation decocting medicinal herbs bucket of dish actuating mechanism drive press the dish and press traditional chinese medicine, press the reaction that produces and press down the pressure piece, when pressing down and pressing the power of pressing the piece and being greater than the setting value (when the default of limit force spring promptly) limit force spring produces the shrink and makes to move and press the piece and remove towards the stock solution intracavity, thereby move and press the liquid flow in the stock solution intracavity when the piece removes towards the stock solution intracavity and drive the sliding block decline and press the press head of decline switch, thereby press the drive of dish actuating mechanism and press the dish decline when the press head of decline switch is pressed to the sliding block. The present invention also includes a tapping structure located above the decocting barrel to tap the top wall 33 of the decocting barrel. The top wall of the decoction barrel is of a spring piece structure. A limiting lining board 34 is arranged above the top wall of the decoction barrel. Be equipped with the deformation that supplies the roof to warp the usefulness between the roof of spacing welt and decocting medicinal herbs bucket and dodge chamber 35, the vertical dimension in chamber is dodged in deformation is below 5 millimeters. The knocking structure comprises a knocking rod 36 and a knocking cylinder 37 for driving the knocking rod, and a through hole 38 through which the knocking rod passes is formed in the center of the limiting lining plate. The striker bar is aligned with the via hole. In the extrusion, strike the roof of decocting medicinal herbs bucket through striking the structure to avoid the medicinal material to produce the adhesion on the roof of decocting medicinal herbs bucket.

The invention also comprises a vertical rotating shaft 14 which is arranged in the vertical pressing rod in a penetrating way and extends to the upper surface of the movable pressing block. The downward projection area of the movable pressing block is more than 90% of the downward projection area of the pressing disc, and the upper end of the vertical rotating shaft is connected with a plurality of scraping strips 15 which scrape the lower surface of the pressing block. The lower end of the vertical rotating shaft is connected with a rotating mechanism 16 which drives the vertical rotating shaft to rotate. The rotating mechanism is a motor. The upper surface of the movable pressing block is provided with a plurality of avoidance grooves 17 for accommodating the scraping strips in a one-to-one correspondence manner. When the medicinal materials are extruded, the scraping strips are positioned in the avoiding grooves and are completely accommodated in the avoiding grooves. Rotary mechanism connects on the outside part of the vertical pressure pole position decocting medicinal herbs bucket through pivot elevating system 18, and pivot elevating system is the cylinder, specifically: the vertical pressing rod is provided with a connecting seat 19, the rotating mechanism is provided with a connecting plate 20, one end of the lifting mechanism is connected to the connecting seat, the other end of the lifting mechanism is connected to the connecting plate, and the connecting seat is further provided with a guide rod 21 penetrating through the connecting plate. The movable pressing block is provided with a sealing tube 22 which is arranged on the vertical pressing rod in a penetrating way. The sealing tube is connected with the vertical pressing rod in a sealing and sliding way. The vertical rotating shaft is arranged in the sealing pipe in a penetrating way and is in clearance fit with the sealing pipe and the vertical driving shaft.

The rotating mechanism is provided with a limiting head 31, and when the lifting mechanism drives the rotating mechanism to ascend to the limiting head to be supported on the lower end face of the vertical driving rod, the scraping strip integrally extends out of the avoiding groove and the scraping strip can abut against the upper surface of the movable pressing block to scrape the movable pressing block. The output distance that can conveniently control the scraping strip is to the requirement, and too few then the card can not rotate in dodging the inslot, and too much scraping strip can not the butt when then rotating and lead to scraping the effect poor on moving the lower surface of pressing the piece.

The force limiting spring is sleeved on the vertical thread head 23. The vertical thread head is in threaded connection with an adjusting nut 24. The movable pressing block is provided with an avoiding ring groove 25. One end of the vertical thread head is connected with the pressing disc, and the other end of the vertical thread head is arranged in the avoiding ring groove in a penetrating mode. The lower end of the force limiting spring is connected with the adjusting nut, and the upper end of the force limiting spring is connected with the pressing block in a pushing and connecting mode.

The top wall of the decoction barrel is externally provided with a driving block 26 and a lifting switch 27 for making the pressing disc driving mechanism move downwards. The switch is a push switch. The pressing head 28 of the switch faces upwards. The driving block is connected to the decoction barrel through a supporting spring 29. The driving block is positioned right below the pressing head of the ascending switch. The pressing block is provided with a magnet. A ferromagnetic body 30 matched with the magnet is arranged on the pressing disc; when the pressing disc descends to a set lowest position in the using process, the magnet adsorbs the ferromagnetic body to drive the driving block to ascend to press the pressing head of the ascending switch; when the driving block presses the pressing head of the lifting switch, the pressing disk driving mechanism drives the pressing disk to lift.

Claims

1. An extrusion type decoction method is characterized in that, firstly, raw materials are filled into a decoction barrel; the second step, heat for the raw and other materials in the bucket of decocting medicinal herbs, make the extrusion dish go up and down to reciprocate through pressing a set actuating mechanism in the heating process, thereby the cooperation is extruded raw and other materials to the roof of the bucket of decocting medicinal herbs when the extrusion dish goes up and is played the effect that promotes the liquid composition among the raw and other materials and flow out, sets up the drive unit that rises the switch and be equipped with magnet that acts on the switch that rises in the bottom wall outside of the bucket of decocting medicinal herbs, presses the ferromagnetic body on the dish when pressing the dish and rising to the settlement position magnet adsorbs and makes drive unit drive decline switch, presses a set actuating mechanism drive when decline switch is driven and presses the dish and rise.

2. An extrusion type traditional Chinese medicine decoction barrel assembly comprises a decoction barrel with a cylindrical inner peripheral surface and an electric heater for heating materials in the decoction barrel, and is characterized by further comprising a pressing disc arranged in the decoction barrel and matched with the top wall of the decoction barrel to extrude the materials in the decoction barrel and a pressing disc driving mechanism arranged outside the decoction barrel and used for driving the pressing disc to ascend and descend, wherein a driving block and an ascending switch which enables the pressing disc driving mechanism to drive the pressing disc to move upwards are arranged outside the bottom wall of the decoction barrel; when the pressing disc descends to a set bottommost position, the magnet adsorbs the ferromagnetic body to drive the driving block to ascend to press the pressing head of the ascending switch; when the driving block presses the pressing head of the ascending switch, the pressing plate driving mechanism drives the pressing plate to ascend.

3. The extrusion type traditional Chinese medicine decocting barrel assembly as claimed in claim 2, wherein the electric heater is arranged in the pressing plate, and the upper surface of the pressing plate forms a heat dissipating surface for dissipating heat generated by the electric heater.

4. The extrusion type traditional Chinese medicine decoction barrel assembly according to claim 2, further comprising a pressing force limiting mechanism and a descending switch for driving a pressing disc to move upwards by the pressing disc driving mechanism, wherein the pressing disc is provided with a vertical pressing rod with the lower end positioned outside the top wall of the decoction barrel, the pressing disc driving mechanism is connected with the pressing disc through the vertical pressing rod, the upper surface of the pressing disc is provided with a sliding cavity with a closed lower end, the lower end of the sliding cavity is provided with a large-diameter section, a limiting step is formed between the large-diameter section and the sliding cavity, a movable pressing block is connected in the sliding cavity in a sliding sealing manner, a liquid storage cavity is enclosed between the movable pressing block and the pressing disc, the movable pressing block is provided with a hooking block, and the pressing force limiting mechanism comprises a force limiting spring which pushes the movable pressing block upwards to enable the hooking block to be hooked on the limiting step, The upper end of the vertical pressing rod is communicated with the liquid storage cavity, the sliding block is connected in the sliding hole in a sealing and sliding mode and used for driving the descending switch, the space, above the sliding block, of the sealing cavity and the sliding hole is filled with liquid, the opening area of the sliding hole is smaller than one percent of the opening area of the liquid storage cavity, the descending switch is fixed on the vertical pressing rod and is a pressing switch, and the pressing head of the descending switch is aligned with the sliding block in the vertical direction; when the force for pressing the pressing block downwards is greater than a set value, the force limiting spring contracts to enable the movable pressing block to move towards the liquid storage cavity, the movable pressing block moves towards the liquid storage cavity, the sliding block is driven to descend to press the pressing head of the descending switch, and the pressing disc driving mechanism drives the pressing disc to descend when the sliding block presses the pressing head of the descending switch.

5. The extrusion type traditional Chinese medicine decoction barrel assembly according to claim 4, further comprising a vertical rotating shaft penetrating through the vertical pressing rod and extending to the upper surface of the movable pressing block, wherein the downward projection area of the movable pressing block is more than 90% of the downward projection area of the pressing disc, the upper end of the vertical rotating shaft is connected with a plurality of scraping strips for scraping the upper surface of the movable pressing block, and the lower end of the vertical rotating shaft is connected with a rotating mechanism for driving the vertical rotating shaft to rotate.

6. The extrusion type traditional Chinese medicine decocting barrel assembly according to claim 5, wherein a plurality of avoiding grooves for accommodating the scraping strips in a one-to-one correspondence manner are formed in the upper surface of the movable pressing block, the scraping strips are completely accommodated in the avoiding grooves when being positioned in the avoiding grooves, and the rotating mechanism is connected to the part, outside the decocting barrel, of the vertical pressing rod through a rotating shaft lifting mechanism.

7. The extrusion type traditional Chinese medicine decocting barrel assembly according to claim 6, wherein the movable pressing block is provided with a sealing tube penetrating through the vertical pressing rod, the sealing tube is connected with the vertical pressing rod in a sealing and sliding manner, and the vertical rotating shaft penetrates through the sealing tube and is in clearance fit with the sealing tube and the vertical driving shaft.

8. The extrusion type traditional Chinese medicine decocting barrel assembly according to claim 5, wherein the force limiting spring is sleeved on a vertical thread head, an adjusting nut is in threaded connection with the vertical thread head, the lower end of the force limiting spring is connected with the adjusting nut, and the upper end of the force limiting spring is connected with the movable pressing block.

9. The extrusion type traditional Chinese medicine decocting barrel assembly according to claim 1, further comprising a knocking structure which is located above the decocting barrel and is used for knocking the top wall of the decocting barrel, wherein the top wall of the decocting barrel is of a spring plate structure.

10. The extrusion type traditional Chinese medicine decoction barrel assembly according to claim 9, wherein a limiting lining plate is arranged above the top wall of the decoction barrel, a deformation avoiding cavity for deformation of the top wall is arranged between the limiting lining plate and the top wall of the decoction barrel, the vertical size of the deformation avoiding cavity is less than 5 mm, the knocking structure comprises an impact rod and an impact cylinder for driving the impact rod, a through hole for the worker to pass through is arranged at the center of the limiting lining plate, and the impact rod is aligned with the through hole.