Dehydrating and drying device for traditional Chinese medicinal material radix angelicae

Abstract

The invention relates to the technical field of medicinal material treatment equipment, in particular to a dehydrating and drying device for traditional Chinese medicinal material radix angelicae. The infrared thermal imager is arranged on the machine shell; the air pump is arranged on the machine shell and electrically connected with the infrared thermal imager, the top of the machine shell is further provided with a refrigerating machine connected with an air inlet of the air pump, an air outlet of the air pump communicates with an air conveying pipe, a second motor is installed on one side of the machine shell, the output end of the second motor is connected with a communicating pipe, and the tail end of the communicating pipe is rotationally connected with the air conveying pipe. And nozzles are arranged on the communicating pipe at intervals. A proper gradual dehydration condition is provided for the radix angelicae slices in a drying dehydration treatment mode of a heating pipe in a treatment frame, and the damage to the integrity of medicinal materials caused by a traditional extrusion dehydration mode is effectively avoided by combining a conveying belt and a grating belt; the infrared thermal imager monitors the drying degree and temperature change of the radix angelicae slices in real time, the air pump and the refrigerating machine work cooperatively, it is ensured that the radix angelicae slices are in the best drying state, and medicine property loss caused by high temperature is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of medicinal material processing equipment, and in particular to a dehydration and drying device for the Chinese medicinal material Angelica dahurica. Background Art

[0002] Angelica dahurica is a commonly used Chinese herbal medicine with a long history of application in traditional Chinese medicine and is widely used to treat a variety of diseases. The dehydration and drying of the Chinese herbal medicine Angelica dahurica refers to removing the water in the Angelica dahurica through certain technical means to make it reach a suitable dry state for easy storage, processing and use. This process is very important for maintaining the effective ingredients of Angelica dahurica and preventing mildew and insect infestation.

[0003] After searching, according to the patent authorization announcement number CN220338947U, a high-efficiency extrusion dehydration device for washing Chinese medicinal materials includes a base, a fixed frame and a push plate, a dehydration cylinder is installed in the base through a bearing, and recovery grooves are arranged on both sides of the dehydration cylinder in the base, and a fixed frame is arranged on the top of the base, a screw rod is installed in the fixed frame through a bearing, and a corresponding wire block is arranged on the periphery of the screw rod, and one side of the wire block is connected to a slide seat by bolts, and a push plate is arranged at the bottom of the slide seat; the device realizes the rotation centrifugal dehydration of Chinese medicinal materials through the above structure, and concentrates on vertically extruding the medicinal materials for physical extrusion dehydration, but this method is easy to destroy the integrity of the medicinal materials, and the uneven extrusion force will not only destroy the medicinal materials, but also the dehydration effect cannot reach the ideal state, and in the drying process, the medicinal materials should not be dehydrated too fast, otherwise it may affect the effect of the medicinal materials, and in the prior art, the temperature and humidity of the drying environment can only be affected by controlling a large range of space to affect the temperature and humidity of the Angelica dahurica body, the response is slow, and the effect is uneven, which shows that there is still room for improvement. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides a dehydration and drying device for Chinese medicinal material Angelica dahurica, comprising: The processing frame is a container with a built-in heating tube, which is used to contain and dry and dehydrate the Angelica dahurica slices. A lower hopper is connected to the top of the processing frame, and an organic shell is arranged in the middle of the top of the processing frame; A conveying assembly is arranged inside the processing frame, the conveying assembly includes a conveying belt, a grille belt is arranged on the conveying belt, slots for placing Angelica dahurica slices are arranged on the grille belt, a material blocking pocket capable of semi-enclosing the grille belt is arranged between the inner walls of the processing frame, a circular hole matching the layout of the grille belt slots is opened on the material blocking pocket, the size of the circular hole is smaller than the slots, and is used to limit the conveying position of the Angelica dahurica slices, and an opening is provided on the upper side of the material blocking pocket for unloading the Angelica dahurica slices; An infrared thermal imager is installed on the housing to monitor the dryness of the Angelica dahurica slices; An air pump is arranged on the casing and electrically connected to the infrared thermal imager. A refrigerator connected to the air inlet of the air pump is also arranged on the top of the casing. An air supply pipe is connected to the air outlet of the air pump. Motor 2 is installed on one side of the casing. A connecting pipe is connected to the output end of motor 2. The end of the connecting pipe is sealed and rotatably connected to the air supply pipe. Nozzles that are adapted to the slot arrangement of the grille are arranged at intervals on the connecting pipe. The nozzles extend into the casing to spray cold air.

[0005] In addition, it is particularly preferred that the conveying assembly also includes a motor 1, a main roller and a slave roller, and the motor 1 is installed on one side of the processing frame. The main roller and the slave roller rotate in the processing frame, and the end of the main roller is connected to the output end of the motor 1, and the main roller and the slave roller are symmetrically arranged, and the conveyor belt is wound between the main roller and the slave roller.

[0006] In addition, it is particularly preferred that it also includes a baffle and a motor, the lower side of the material baffle pocket has an empty groove, a baffle embedded in the empty groove of the material baffle pocket is rotatably arranged between the inner walls of the processing frame, and a motor with an output end connected to the end of the baffle is installed on the processing frame to drive the baffle to rotate and open for discharging the processed Angelica dahurica slices.

[0007] In addition, it is particularly preferred that it also includes a focusing frame and a closing door, a closing door that allows opening and closing to be rotated on the processing frame, and a focusing frame is slidably arranged inside the processing frame, and the focusing frame is used to collect the processed Angelica dahurica slices.

[0008] In addition, it is particularly preferred that a breathable net is further included, and the housing is symmetrically provided with breathable nets for air circulation.

[0009] In addition, it is particularly preferred that it also includes an electric slide rail, a moving rod and a shifting block. The electric slide rail is installed inside the lower hopper, and the slider of the electric slide rail is connected to the moving rod extending into the processing frame. The bottom end of the moving rod is provided with a shifting block for leveling the angelica slices.

[0010] In addition, it is particularly preferred that it also includes a synchronous belt, a cam and an extrusion rod. A cam that contacts and cooperates with the conveyor belt rotates between the inner walls of the processing frame, and an extrusion rod that is symmetrical up and down rotates on the processing frame. A synchronous belt is wound between the ends of the main roller and the slave roller on the same side, and the middle section of the synchronous belt is embedded between the extrusion rod and the cam. The extrusion rod causes the synchronous belt to fit tightly against the end of the cam, thereby driving the cam to rotate.

[0011] In addition, it is particularly preferred that a sealing strip is further included, a straight groove is opened in the middle of the casing, and the sealing strip is arranged in the straight groove to allow the nozzle to pass through the sealing strip and extend into the interior of the casing.

[0012] Beneficial effects: 1. The present invention provides suitable gradual dehydration conditions for Angelica dahurica slices by drying and dehydrating the slices with the heating tubes in the processing frame, thereby preventing the efficacy from being affected by overly rapid dehydration. Combined with the ingenious design of the conveyor belt and the grid belt, the Angelica dahurica slices are ensured to be evenly distributed during the processing process, effectively avoiding the damage to the integrity of the medicinal materials caused by the traditional extrusion dehydration method. In addition, the introduction of the infrared thermal imager realizes real-time monitoring of the drying degree and temperature changes of the Angelica dahurica slices. Once the temperature is detected to be too high, the air pump and the refrigerator will work together to release cold air through the nozzle to cool down, thereby ensuring that the Angelica dahurica slices are always in the best drying state and avoiding the loss of medicinal properties due to high temperature.

[0013] 2. The present invention adopts an electric slide rail to drive the shifting block to level the Angelica dahurica slices, ensuring that a piece of Angelica dahurica slices is placed in each slot, ensuring that the Angelica dahurica slices are heated evenly, and ensuring the consistency of treatment. In addition, the device also realizes automatic discharging by controlling the rotation of the baffle through a motor, and the centralized frame is responsible for collecting the processed Angelica dahurica slices, so that the entire process is automated and manual intervention is significantly reduced.

[0014] 3. The design of the cam, synchronous belt and extrusion rod of the present invention causes the conveyor belt to vibrate slightly during operation, causing the Angelica dahurica slices to be slightly displaced under force, providing necessary flow space for heat flow, thereby further improving the heating uniformity of the Angelica dahurica slices and optimizing the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0016] Figure 2 It is a three-dimensional structural cross-sectional view of components such as the main rotating roller, the slave rotating roller and the conveyor belt of the present invention.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of components such as the conveyor belt, grille belt and material blocking pocket of the present invention.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the housing, the air permeable net and the infrared thermal imager of the present invention.

[0019] Figure 5 It is a three-dimensional structural cross-sectional view of components such as the air pump, refrigerator, and air pipe of the present invention.

[0020] Figure 6 It is a three-dimensional structural cross-sectional view of components such as the baffle, motor and central frame of the present invention.

[0021] Figure 7 It is a three-dimensional structural sectional view of the lower hopper, electric slide rail, moving rod and shift block of the present invention.

[0022] Figure 8It is a three-dimensional structural cross-sectional view of components such as the main rotating roller, the slave rotating roller and the synchronous belt of the present invention.

[0023] Fig. 9 It is a three-dimensional structural schematic diagram of components such as a processing frame, a synchronous belt, a cam and an extrusion rod of the present invention.

[0024] In the figure: 1. processing frame, 11. lower hopper, 12. casing, 121. air permeable net, 2. motor 1, 21. main roller, 22. slave roller, 23. conveyor belt, 24. grille belt, 25. material blocking pocket, 251. baffle, 252. motor, 253. central frame, 254. closing door, 3. infrared thermal imager, 4. air pump, 41. refrigerator, 42. air pipe, 421. nozzle, 43. motor 2, 44. connecting pipe, 441. sealing strip, 5. electric slide rail, 51. moving rod, 52. shift block, 6. synchronous belt, 61. cam, 62. extrusion rod. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0026] In addition, the terms "first", "second" and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. It should be noted that the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0027] Embodiment: A dehydration and drying device for Chinese medicinal material Angelica dahurica, such as Figure 1-Figure 5 As shown, including: The processing frame 1 is a container with a built-in heating tube, which is used to accommodate the Angelica dahurica slices to be processed, and can provide a heat source to evaporate the moisture in the Angelica dahurica slices, so as to achieve the effect of drying and dehydrating the Angelica dahurica slices. A vertical lower hopper 11 is connected to the right side of the top of the processing frame 1, which is convenient for putting the Angelica dahurica slices to be processed into the device. An organic shell 12 is arranged in the middle of the top of the processing frame 1 for carrying device components; The conveying assembly is arranged inside the processing frame 1, and the conveying assembly can drive the Angelica dahurica slices to be stably conveyed from right to left. The conveying assembly includes a conveyor belt 23, and a grille belt 24 is arranged on the conveyor belt 23. The grille belt 24 is provided with slots for placing the Angelica dahurica slices. The slots are rectangular slots, which can accommodate Angelica dahurica slices of various shapes to a greater extent and place them stably. A material blocking pocket 25 that can semi-surround the grille belt 24 is arranged between the front and rear inner walls of the processing frame 1, so that the material blocking pocket 2 is placed on the periphery of the grille belt 24 to form a wrapped pocket net structure, and the material blocking pocket 25 has a plurality of slots for placing the Angelica dahurica slices. A circular hole adapted to the slot layout of the grid belt 24 is provided. The size of the circular hole is smaller than the slot, which can effectively limit the position of the angelica slices in the slot, thereby ensuring that the angelica slices always remain stable during the transportation process and avoid deviation or falling. At the same time, the upper side of the blocking pocket 25 has an opening for the angelica slices to be discharged, so that the angelica slices dropped from the discharge hopper 11 will directly fall onto the grid belt 24. With the transportation, the angelica slices are smoothly transferred to the surrounding area of ​​the blocking pocket 25, providing consistent and stable transportation conditions for the subsequent drying and dehydration process, and ensuring the integrity of the angelica slices in the entire processing process; The infrared thermal imager 3 is arranged on the housing 12 and is used to monitor the drying degree and overall temperature of the Angelica dahurica tablets in real time. The drying state of the Angelica dahurica tablets can be visually presented through thermal imaging technology, effectively avoiding the risk of drug loss due to high temperature, and further improving the quality control of the production process; The air pump 4 is arranged on the housing 12 and is electrically connected to the infrared thermal imager 3. Through the real-time monitoring of the infrared thermal imager 3, the corresponding signal can be transmitted to the controller (not shown in the figure) placed on the processing frame 1, so as to timely identify and process the abnormally high temperature angelica slices. Once the temperature is detected to be too high, the air pump 4 will start quickly to effectively cool down the slices, so as to ensure that the drying process of the angelica slices is stable and controllable. A refrigerator 41 connected to the air inlet of the air pump 4 is also arranged on the top of the housing 12 to provide the required cooling and cooling. In order to obtain a cold air flow, an air pipe 42 is connected to the air outlet of the air pump 4, and a motor 43 is fixedly installed on the rear side of the casing 12. A connecting pipe 44 is connected to the output end of the motor 43, which is a closed connection. The end of the connecting pipe 44 is sealed and rotatably connected to the air pipe 42, and the two are internally connected. Nozzles 421 adapted to the front and rear layout of the grid belt 24 slots are arranged at intervals on the connecting pipe 44. The nozzles 421 extend into the interior of the casing 12 to accurately spray cold air to the Angelica dahurica slices to achieve efficient cooling.

[0028] Specifically, by using the infrared thermal imager 3 for real-time monitoring, the drying environment and heating state of the Angelica dahurica slices can be observed intuitively and quickly. The thermal imaging technology can clearly show the heating area and degree of the Angelica dahurica slices, and timely discover the problem of excessive dehydration caused by high temperature. Once an abnormality is detected, the refrigerator 41 and the air pump 4 will be quickly started, and the high-temperature Angelica dahurica slices will be cooled through the nozzle 421, so as to ensure the stability of the drying process and keep the Angelica dahurica slices uniformly dried; It is more noteworthy that each nozzle 421 is allowed to be equipped with an independent solenoid valve, supporting the nozzle 421 to independently control the jet operation, so as to achieve accurate cooling of the local high temperature area, and utilize the motor 2 43 set in this scheme to drive the connecting pipe 44 to rotate, drive the nozzle 421 to swing synchronously, expand the cooling coverage, and further improve the processing efficiency. This method is combined with the drying function of the heating tube in the processing frame 1, making the dehydration and drying process of the angelica tablets more stable and efficient, effectively ensuring the integrity of the medicine and the uniformity of the processing.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 8 and Fig. 9 As shown, the conveying assembly also includes a motor 2, a main roller 21 and a slave roller 22. The motor 2 is fixedly installed on the front side of the processing frame 1. The main roller 21 and the slave roller 22 rotate in the processing frame 1. The end of the main roller 21 is connected to the output end of the motor 2, and the main roller 21 and the slave roller 22 are arranged symmetrically. The conveyor belt 23 is wound between the main roller 21 and the slave roller 22 to form a stable transmission and conveying structure, thereby driving the conveyor belt 23 and its upper components to rotate smoothly, thereby realizing efficient transportation of the Angelica dahurica slices.

[0030] like Figure 3 and Figure 6 As shown, it also includes a baffle 251 and a motor 252. There is an empty groove in the middle position on the lower side of the material blocking pocket 25. A baffle 251 embedded in the empty groove of the material blocking pocket 25 is rotatably arranged between the front and rear inner walls of the processing frame 1. The baffle 251 fits tightly with the empty groove. A motor 252 with an output end connected to the end of the baffle 251 is installed on the processing frame 1 for driving the baffle 251 to rotate. When discharging is required, the baffle 251 can be opened to discharge the processed Angelica dahurica slices.

[0031] like Figure 6 As shown, it also includes a concentration frame 253 and a closing door 254. The front side of the processing frame 1 is provided with a closing door 254 that can be opened and closed by rotating, so as to facilitate the operation and maintenance inside the device. A concentration frame 253 is slidingly provided inside the processing frame 1. The concentration frame 253 is located below the baffle 251 and is used to collect the processed Angelica dahurica slices that fall from the baffle 251 for centralized storage and subsequent processing.

[0032] like Figure 4 and Figure 5 As shown, a breathable net 121 is also included. The housing 12 is symmetrically provided with breathable nets 121 for air circulation, which are used to realize the circulation of water vapor and ensure the improvement of internal air exchange and drying effect.

[0033] like Figure 7 As shown, it also includes an electric slide rail 5, a moving rod 51 and a shifting block 52. The electric slide rail 5 is installed inside the lower hopper 11. The slider of the electric slide rail 5 is connected to the moving rod 51 extending into the processing frame 1. The bottom end of the moving rod 51 is provided with a shifting block 52 for leveling the Angelica dahurica slices. The Angelica dahurica slices can be evenly leveled after being unloaded to ensure that the Angelica dahurica slices are distributed more neatly and evenly in the slots 24 of the grid belt.

[0034] like Figure 8 and Fig. 9 As shown, it also includes a synchronous belt 6, a cam 61 and an extrusion rod 62. The cam 61 that contacts and cooperates with the conveyor belt 23 rotates between the front and rear inner walls of the processing frame 1, and the extrusion rod 62 that is symmetrical up and down rotates on the front side wall of the processing frame 1. The synchronous belt 6 is wound between the ends of the main roller 21 and the slave roller 22 on the same side. The middle section of the synchronous belt 6 is embedded between the extrusion rod 62 and the cam 61. The synchronous belt 6 is closely attached to the end of the cam 61 through the action of the extrusion rod 62, and the details are shown in FIG. Fig. 9 A tooth groove is provided on the inner side of the synchronous belt 6, and the ends connected to the main roller 21, the slave roller 22 and the cam 61 are equipped with a serrated structure meshing with the tooth groove to ensure stable transmission among the three, thereby realizing coordinated rotation and driving the cam 61 to operate normally. The rotating cam 61 contacts and collides with the conveyor belt 23, exerting an upward force on the Angelica dahurica slices being conveyed, causing them to shake slightly, which helps the air flow in the bottom space of the Angelica dahurica slices and ensures a more uniform distribution of heat flow, thereby ensuring the uniformity of heating of the Angelica dahurica slices and improving the drying effect.

[0035] like Figure 5 As shown, a sealing strip 441 is also included. A straight groove is opened in the middle of the housing 12, and the sealing strip 441 is arranged in the straight groove. The nozzle 421 can extend into the interior of the housing 12 after passing through the sealing strip 441 to ensure the sealing and stability of the structure.

[0036] When using the device, ensure that the device is placed stably, start the motor 2, and the motor 2 drives the main roller 21 to rotate, thereby driving the conveyor belt 23 to rotate, and the slave roller 22 rotates accordingly, so that the grille belt 24 on the conveyor belt 23 operates synchronously, and then the staff puts the Angelica dahurica slices to be processed into the processing frame 1 through the lower hopper 11, and the fallen Angelica dahurica slices fall into the various slots of the grille belt 24, and starts the electric slide rail 5 to drive the moving rod 51 and the shifting block 52 to move, and uses the shifting block 52 to level the Angelica dahurica slices on the grille belt 24, so that each slot can accommodate a piece of Angelica dahurica slice, ensuring that the Angelica dahurica slices are evenly placed. At the same time, the heating tube in the processing frame 1 starts to work to heat the Angelica dahurica slices. The Angelica dahurica slices are transported from right to left. During this process, the Angelica dahurica slices are heated and their internal moisture gradually evaporates and is discharged through the breathable net 121 to achieve a drying and dehydration effect. When the Angelica dahurica slices are transported to the bottom of the casing 12, the cam 61 rotates under the drive of the timing belt 6, and the extrusion rod 62 maintains the fit between the timing belt 6 and the cam 61, so that the cam 61 strikes the conveyor belt 23 in an intermittent manner through rotation, and shakes the grille belt 24 and the Angelica dahurica slices thereon, so that the Angelica dahurica slices are displaced by force, thereby providing the necessary flow space for the heat flow and ensuring that the Angelica dahurica slices are heated evenly. In addition, the infrared thermal imager 3 monitors the temperature of the Angelica dahurica slices in real time. If the temperature of the Angelica dahurica slices is too high, the infrared thermal imager 3 will send a signal to the controller to trigger the air pump 4 to start. After the refrigerator 41 cools the airflow, the air pump 4 delivers the cold air to the connecting pipe 44 through the air pipe 42, and sprays it through the nozzle 421 to cool the high-temperature Angelica dahurica slices, thereby avoiding the loss of medicinal properties caused by high temperature. At this time, the starting motor 43 can drive the connecting pipe 44 and the nozzle 421 to rotate synchronously, expand the cooling range, and enable the device to cool the Angelica dahurica slices at different positions during operation, further ensuring the uniform drying of the Angelica dahurica slices; As the Angelica dahurica slices continue to be conveyed to the left, they eventually reach the bottom of the equipment. Due to the design of the material blocking pocket 25, the Angelica dahurica slices are restricted and continue to be placed on the grid belt 24. The Angelica dahurica slices continue to be conveyed by the grid belt 24. At this time, the motor 252 is started to drive the baffle 251 to rotate and open, and the Angelica dahurica slices fall into the collecting frame 253 through the empty slots. After all the Angelica dahurica slices have completed the dehydration and drying process, the device is closed, and the closing door 254 is opened to take out the collecting frame 253.

[0037] The technical principles of the embodiments of the present invention are described above in conjunction with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present invention and cannot be interpreted in any way as limiting the protection scope of the embodiments of the present invention. Based on the explanations herein, those skilled in the art can think of other specific implementation methods of the embodiments of the present invention without creative work, and these methods will fall within the protection scope of the embodiments of the present invention.

Claims

1. A dehydration and drying device for Chinese medicinal material Angelica dahurica, comprising: The processing frame (1) is a container with a built-in heating tube, a lower hopper (11) is connected to the top of the processing frame (1), and an organic shell (12) is arranged in the middle of the top of the processing frame (1); The method is characterized in that it further comprises: a conveying assembly arranged inside the processing frame (1), the conveying assembly comprising a conveying belt (23), a grille belt (24) arranged on the conveying belt (23), slots for placing angelica dahurica slices arranged on the grille belt (24), a material blocking pocket (25) capable of semi-enclosing the grille belt (24) arranged between the inner walls of the processing frame (1), the material blocking pocket (25) being provided with circular holes adapted to the layout of the slots of the grille belt (24), the size of the circular holes being smaller than the slots, and being used to limit the conveying position of the angelica dahurica slices, and an opening for discharging the angelica dahurica slices on the upper side of the material blocking pocket (25); An infrared thermal imager (3) is arranged on the housing (12) and is used to monitor the degree of dryness of the angelica dahurica slices; An air pump (4) is arranged on the casing (12) and is electrically connected to the infrared thermal imager (3). A refrigerator (41) connected to an air inlet of the air pump (4) is also arranged on the top of the casing (12). An air delivery pipe (42) is connected to an air outlet of the air pump (4). A second motor (43) is installed on one side of the casing (12). A connecting pipe (44) is connected to an output end of the second motor (43). The end of the connecting pipe (44) is connected to the air delivery pipe (42) in a sealed and rotatable manner. Nozzles (421) adapted to the arrangement of the slots of the grille belt (24) are arranged at intervals on the connecting pipe (44). The nozzles (421) extend into the interior of the casing (12) for spraying cold air.

2. A dehydration and drying device for Chinese medicinal material Angelica dahurica according to claim 1, characterized in that: The conveying assembly further comprises a motor 1 (2), a main rotating roller (21) and a slave rotating roller (22). The motor 1 (2) is installed on one side of the processing frame (1). The main rotating roller (21) and the slave rotating roller (22) rotate in the processing frame (1). The end of the main rotating roller (21) is connected to the output end of the motor 1 (2). The main rotating roller (21) and the slave rotating roller (22) are arranged symmetrically. The conveying belt (23) is wound between the main rotating roller (21) and the slave rotating roller (22).

3. A dehydration and drying device for the Chinese medicinal material Angelica dahurica according to claim 2, characterized in that: The processing frame (1) further comprises a baffle (251) and a motor (252). The lower side of the baffle pocket (25) has an empty groove. The baffle (251) embedded in the empty groove of the baffle pocket (25) is rotatably arranged between the inner walls of the processing frame (1). The processing frame (1) is provided with a motor (252) whose output end is connected to the end of the baffle (251) so as to drive the baffle (251) to rotate and open, so as to discharge the processed angelica dahurica slices.

4. A dehydration and drying device for the Chinese medicinal material Angelica dahurica according to claim 3, characterized in that: It also comprises a collecting frame (253) and a closing door (254); the processing frame (1) is provided with a rotatable closing door (254) that allows opening and closing; a collecting frame (253) is slidably arranged inside the processing frame (1); the collecting frame (253) is used to collect the processed angelica dahurica slices.

5. A dehydration and drying device for the Chinese medicinal material Angelica dahurica according to claim 4, characterized in that: It also includes a breathable net (121), and the housing (12) is symmetrically provided with the breathable net (121) for air circulation.

6. A dehydration and drying device for the Chinese medicinal material Angelica dahurica according to claim 5, characterized in that: The invention also comprises an electric slide rail (5), a moving rod (51) and a shifting block (52); the electric slide rail (5) is installed inside the lower hopper (11); the sliding block of the electric slide rail (5) is connected to the moving rod (51) extending into the processing frame (1); and the bottom end of the moving rod (51) is provided with a shifting block (52) for shifting the angelica dahurica slices flat.

7. A dehydration and drying device for the Chinese medicinal material Angelica dahurica according to claim 6, characterized in that: The invention also comprises a synchronous belt (6), a cam (61) and an extrusion rod (62). The cam (61) which contacts and cooperates with the conveyor belt (23) is rotated between the inner walls of the processing frame (1), and an extrusion rod (62) which is symmetrical with respect to the upper and lower sides is also rotated on the processing frame (1). The synchronous belt (6) is wound between the ends of the main rotating roller (21) and the slave rotating roller (22) on the same side. The middle section of the synchronous belt (6) is embedded between the extrusion rod (62) and the cam (61). The extrusion rod (62) causes the synchronous belt (6) to be closely attached to the end of the cam (61), thereby driving the cam (61) to rotate.

8. A dehydration and drying device for the Chinese medicinal material Angelica dahurica according to claim 7, characterized in that: It also includes a sealing strip (441). A straight groove is provided in the middle of the housing (12). The sealing strip (441) is arranged in the straight groove to allow the nozzle (421) to pass through the sealing strip (441) and extend into the interior of the housing (12).

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