Pulverizer for processing traditional Chinese medicine decoction pieces

Abstract

The invention relates to the field of traditional Chinese medicine decoction piece processing, and discloses a traditional Chinese medicine decoction piece processing pulverizer which comprises a rack, one side of the top of the rack is fixedly connected with a supporting seat, the top of the supporting seat is fixedly provided with a secondary pulverizing bin, the middle of the secondary pulverizing bin is fixedly connected with a shaft sleeve, and the interior of the shaft sleeve is rotatably connected with a rotating shaft; a mounting disc is fixedly connected to one end of the rotating shaft, a plurality of crushing hammers which are uniformly distributed are rotatably connected to the outer side of the mounting disc, crushing teeth are fixedly connected to the inner wall of the second-stage crushing bin, openings are formed in the upper and lower sides of the crushing teeth, and a driving assembly is mounted on one side of the interior of the rack. Through the combination of the multi-mesh filter ring, the worm and gear speed reducer and the second motor, the mesh number of the screen can be rapidly and accurately adjusted, and the processing requirements of different traditional Chinese medicine particle specifications are met. And through a multi-mesh filter ring structure distributed in an annular array, the tedious operation of frequently replacing a screen of a traditional crusher is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of processing Chinese herbal medicine slices, in particular to a pulverizer for processing Chinese herbal medicine slices. Background Art

[0002] In the processing of Chinese herbal medicine slices, the crushing process is a key step in achieving the granulation of medicinal materials. By crushing the dried Chinese herbal medicines into appropriate particle sizes, it can lay the foundation for subsequent extraction, compatibility and packaging. Crushing equipment is usually composed of a crushing mechanism, a screening device and a power system. It crushes Chinese herbal medicines into granular materials through mechanical cutting or impact, and at the same time screens out particles that meet the specifications to meet different processing needs.

[0003] In the prior art, the crusher's processing of Chinese herbal medicines of different particle sizes usually relies on the adjustment of the screen structure to achieve particle size control. Specifically, most traditional crushing equipment uses a fixed mesh screen, and when processing medicinal materials of different particle specifications, it is necessary to frequently replace the screens of different meshes to meet the processing requirements. This method not only increases the complexity of the operation, but is also prone to problems such as improper installation and positioning deviation during the screen replacement process, affecting the screening quality and production efficiency. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a pulverizer for processing Chinese herbal medicine slices, which solves the problem in the prior art that sieves of different mesh sizes need to be frequently replaced when processing medicinal material particles of different particle sizes.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a crusher for processing Chinese herbal medicine slices, comprising a frame, a support base is fixedly connected to one side of the top of the frame, a secondary crushing bin is fixedly installed on the top of the support base, a shaft sleeve is fixedly connected to the middle of the secondary crushing bin, a rotating shaft is rotatably connected inside the shaft sleeve, one end of the rotating shaft is fixedly connected to a mounting plate, a plurality of evenly distributed crushing hammers are rotatably connected to the outer side of the mounting plate, crushing teeth are fixedly connected to the inner wall of the secondary crushing bin, and openings are provided on the upper and lower sides of the crushing teeth, a driving assembly is installed on one side of the interior of the frame, a collecting assembly is installed on the other side of the interior of the frame, a bin cover is hingedly connected to the front side of the secondary crushing bin, a feed pipe is installed on the middle part of the bin cover extending outward, a pre-separation assembly is installed on the top of the feed pipe, a primary crushing assembly is installed on the top of the pre-separation assembly, an adjustable screen assembly is installed inside the secondary crushing bin, and a lubrication assembly is installed on the top of the secondary crushing bin.

[0006] Preferably, the driving assembly includes a motor 1 and a driven wheel, the bottom of the motor 1 is fixedly mounted on the inner bottom wall of the frame, the output end of the motor 1 passes through the frame and is fixedly connected to the driving wheel, the middle part of the driven wheel is fixedly connected to one end of the rotating shaft away from the mounting plate, and a belt is provided between the driving wheel and the driven wheel.

[0007] Preferably, the collecting component includes a collecting frame, the collecting frame and a discharge port, the outer side of the collecting frame is slidably connected to the inside of the frame, a textile collecting bag is fixedly connected to the bottom of the collecting frame, the outer side of the discharge port is fixedly connected to the top of the frame, and the top of the discharge port passes through the bottom of the secondary crushing bin.

[0008] Preferably, the adjustable screen assembly includes a multi-mesh filter ring, a worm gear reducer and a second motor; the outer side of the multi-mesh filter ring is rotatably connected to the inside of the crushing teeth; the outer wall of the multi-mesh filter ring is fixedly connected to a gear ring; the bottom of the worm gear reducer is fixedly connected to the top of the secondary crushing bin; the bottom of the second motor is fixedly connected to the top edge of the secondary crushing bin; the output end of the worm gear reducer is fixedly connected to a gear, the gear and the gear ring are meshed, and the output end of the second motor is connected to the input end of the worm gear reducer.

[0009] Preferably, the top of the discharge port is in contact with the bottom of the multi-mesh filter ring, and a groove is provided at the top of the discharge port to provide a movable space for the gear ring.

[0010] Preferably, the lubrication assembly includes a bracket, the bottom of the bracket is fixedly connected to the top of the side of the secondary crushing bin away from the bin cover, one side of the top of the bracket is fixedly connected to the oil tank, the other side of the top of the bracket is fixedly connected to a sleeve, and one end of the sleeve is closed and the other end is open on both sides, an oil inlet pipe is connected between the sleeve and the inside of the oil tank, and an electromagnetic one-way valve is installed in the middle of the oil inlet pipe, an oil outlet pipe is connected between the sleeve and the inside of the shaft sleeve, a one-way valve is installed on the top of the oil outlet pipe, a spring is installed inside the sleeve, a piston is provided at one end of the spring, and a linkage assembly is installed on the side of the piston away from the spring.

[0011] Preferably, the linkage assembly includes a T-rod and a cam, the middle part of the T-rod is slidably connected to the middle part of the sleeve, one end of the T-rod is fixedly connected to the middle part of the piston, the inside of the cam is fixedly connected to the outside of the second output shaft of the motor, and the other end of the T-rod is abutted against the cam.

[0012] Preferably, the pre-separation component includes a separation bin, the bottom of the separation bin is fixedly connected to the top of the feed pipe, a separation cylinder is fixedly connected to the middle side of the inner bottom wall of the separation bin, and the separation cylinder and the feed pipe are connected, a material guide port is fixedly connected to the top of the separation cylinder, the outer wall of the material guide port is fixedly connected to the top of the separation bin, a ventilation hood is fixedly connected to the outer wall of the separation bin, a shell is fixedly installed on the side of the separation bin away from the ventilation hood, a vent is fixedly connected to the middle of the shell, a fan is fixedly connected to one side inside the vent, a pulley is installed on the output shaft of the fan away from the fan blades, a barrier net is fixedly connected to the other side of the vent, and a collection box is fixedly connected to the bottom of the shell.

[0013] Preferably, the primary crushing assembly includes a primary crushing bin, the bottom of which is fixedly connected to the top of the separation bin, the top of which is fixedly connected to a hopper, the inside of the primary crushing bin is rotatably connected to a rotating rod, the outside of which is fixedly connected to a plurality of cutting knives, one end of the rotating rod passes through the primary crushing bin and is fixedly connected to a pulley, and the two pulleys are connected by a synchronous belt.

[0014] Preferably, an isolation cover is provided on the outer side of the pulley, and the isolation cover is fixedly connected between the primary crushing bin and the shell. A dust cover is provided on the outer side of the gear, and the bottom of the dust cover is fixedly connected to the top of the secondary crushing bin.

[0015] The present invention provides a pulverizer for processing Chinese herbal medicine slices. It has the following beneficial effects: 1. The present invention can efficiently remove dust and impurities on the surface of the medicinal materials before they enter the crushing process by setting up the pre-separation component. Through the synergistic effect of the separation bin and the fan, combined with the special structural design of the separation cylinder, aerodynamic separation is achieved without affecting the integrity of the medicinal materials, and impurities and medicinal materials are accurately separated to ensure the purity of the medicinal materials in subsequent processing, thereby improving the quality and hygiene standards of Chinese herbal medicines from the source, while reducing the wear and tear of the equipment caused by impurities and extending the service life of the equipment.

[0016] 2. The present invention effectively reduces the friction and wear between the rotating shaft and the sleeve through an automated lubrication mechanism. Through the cooperation of the electromagnetic one-way valve and the spring-piston, the lubricating oil can be precisely controlled and directional delivered during the operation of the equipment, greatly reducing the temperature rise and mechanical fatigue caused by long-term high-speed operation of the equipment, ensuring that the operation of the equipment is more stable and reliable. The self-locking design of the lubrication component makes the operation easier, reduces the frequency of manual maintenance, and further extends the service life of the equipment.

[0017] 3. The present invention can quickly and accurately adjust the mesh size of the screen to meet the processing requirements of different specifications of Chinese medicine particles through the combination of a multi-mesh filter ring, a worm gear reducer and a motor 2. The multi-mesh filter ring structure distributed in an annular array avoids the cumbersome operation of frequently replacing the screen in a traditional grinder, thereby improving the flexibility and adaptability of the equipment. In addition, the self-locking characteristics of the worm gear reducer ensure the stability of the position and the screening accuracy during the switching process of the screen, which not only significantly improves the processing efficiency, but also ensures the screening quality of Chinese medicine pieces of different specifications, greatly meeting the diversified needs in the production of modern Chinese medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A stereogram of the present invention from a first viewing angle; Figure 2 A stereogram of the second viewing angle of the present invention; Figure 3 It is a structural schematic diagram of a motor of the present invention; Figure 4 It is a schematic diagram of the structure of the driven wheel of the present invention; Figure 5 for Figure 4 Enlarged view of point A in the middle; Figure 6 is a cross-sectional view of a sleeve of the present invention; Figure 7 It is a schematic diagram of the shaft sleeve structure of the present invention; Figure 8 This is a schematic diagram of the internal structure of the secondary crushing bin of the present invention; Fig. 9 This is an exploded view of the secondary crushing bin of the present invention; Fig.10 It is a schematic diagram of the structure of the pre-separation component of the present invention.

[0019] Among them, 1. frame; 2. support seat; 3. secondary crushing bin; 4. bushing; 5. rotating shaft; 6. mounting plate; 7. breaker; 8. crushing teeth; 9. motor 1; 10. driving wheel; 11. driven wheel; 12. bin cover; 13. feed pipe; 14. collection box; 15. dust cover; 16. hopper; 17. multi-mesh filter ring; 18. gear ring; 19. worm gear reducer; 20. motor 2; 21. gear; 22. bracket; 23. oil tank; 24. sleeve; 25. feed Oil pipe; 26, electromagnetic one-way valve; 27, oil outlet pipe; 28, one-way valve; 29, spring; 30, piston; 31, T-bar; 32, cam; 33, collection frame; 34, textile collection bag; 35, discharge port; 36, separation bin; 37, separation cylinder; 38, material guide port; 39, shell; 40, ventilation port; 41, fan; 42, barrier net; 43, ventilation hood; 44, primary crushing bin; 45, rotating rod; 46, cutting knife; 47, pulley; 48, isolation cover. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Please see attached Figure 1 , Figure 2 , Figure 3 and Figure 8 The embodiment of the present invention provides a pulverizer for processing Chinese herbal medicine slices, including a frame 1, a support seat 2 is fixedly connected to one side of the top of the frame 1, and a secondary pulverizing bin 3 is fixedly installed on the top of the support seat 2. The secondary pulverizing bin 3 is the core component of the entire device, which is used to complete the deep pulverization processing of medicinal materials to ensure that the required particle specifications are finally achieved. A shaft sleeve 4 is fixedly connected to the middle of the secondary pulverizing bin 3, and the shaft sleeve 4 plays the role of supporting the rotating shaft 5, and through its internal lubrication structure, it ensures stable operation under long-term high-speed operation. The shaft sleeve 4 is rotatably connected to the inside of the shaft sleeve 4, and a mounting plate 6 is fixedly connected to one end of the rotating shaft 5. The mounting plate 6 is used to install and fix a breaker 7. A plurality of evenly distributed breaker hammers 7 are rotatably connected to the outside of the mounting plate 6. The breaker hammers 7 are extended by the action of centrifugal force under the drive of the high-speed rotating mounting plate 6, and the medicinal materials entering the secondary pulverizing bin 3 are efficiently crushed during high-speed rotation, and cooperate with the crushing teeth 8 on the inner wall of the secondary pulverizing bin 3 to further refine the medicinal material particles. The crushing teeth 8 are provided with openings on both the upper and lower sides. The bottom opening is convenient for discharging the crushed qualified medicinal materials into the interior of the secondary crushing bin 3, while the top opening is convenient for connecting the structural components in the adjustable screen assembly to enable its normal operation.

[0022] Please see attached Figure 3 , Figure 4 , Figure 5 , Figure 8 and Fig.10A driving assembly is installed on one side of the frame 1. The driving assembly is the power source of the equipment, which can efficiently drive the crushing device to operate while maintaining the stability of the entire device during operation. A collecting assembly is installed on the other side of the frame 1. The collecting assembly is used to collect the medicinal material particles after processing and facilitate subsequent use and storage. A bin cover 12 is hinged on the front side of the secondary crushing bin 3. The bin cover 12 is used to close the crushing bin to prevent the medicinal materials from overflowing during the working process. At the same time, a corresponding locking and closing structure is provided to facilitate the operator to open the bin cover for cleaning and maintenance when necessary. A feed pipe 13 is installed extending outward from the middle of the bin cover 12. The feed pipe 13 is used to connect the primary crushing bin 44 and the secondary crushing bin 3 to achieve the transition of the medicinal materials from primary crushing to fine crushing. A pre-separation assembly is installed on the top of the feed pipe 13. The design of the pre-separation assembly can effectively remove dust and impurities on the surface of the medicinal materials, improve the cleanliness of the medicinal materials and the quality of subsequent processing, and avoid unnecessary subsequent secondary screening. A primary crushing assembly is installed on the top of the pre-separation assembly. The primary crushing assembly is used to pre-process larger pieces of Chinese medicinal materials so that they can achieve the ideal crushing effect when entering the secondary crushing bin later. An adjustable screen assembly is installed inside the secondary crushing bin 3. The adjustable screen assembly enables the equipment to flexibly adapt to the needs of different particle specifications. The screening and processing of medicinal materials of multiple specifications can be achieved through the adjustment of the screen, and then the device can conveniently complete the crushing and adjustment needs of particles of different particle sizes, without the need to stop the machine to replace the screen of the corresponding mesh number, which greatly improves the scope of application of the equipment. A lubrication assembly is installed on the top of the secondary crushing bin 3. The lubrication assembly can realize the extraction and injection operation of lubricating oil to ensure the long-term stable operation of the rotating shaft 5 and the sleeve 4, and extend the service life of the equipment.

[0023] Please see attached Figure 3 and Figure 4 The driving assembly includes a motor 9 and a driven wheel 11, wherein the bottom of the motor 9 is fixedly mounted on the inner bottom wall of the frame 1 by bolts to ensure the stability of the motor 9 during operation. The output end of the motor 9 passes through the frame 1 and is fixedly connected to the driving wheel 10, which transmits power to the driven wheel 11 through a belt transmission. The middle part of the driven wheel 11 is fixedly connected to the end of the rotating shaft 5 away from the mounting plate 6, and the belt transmission is used to realize efficient power transmission, and the driving wheel 10 with a smaller diameter drives the driven wheel 11 with a larger diameter to increase the transmission torque and drive the operation of the crushing device more efficiently. The driving wheel 10 and the driven wheel 11 are connected by a belt to achieve a higher driving torque when the device is in operation, ensuring that the medicinal materials can be fully crushed during the crushing process.

[0024] Please see attached Figure 3 and Figure 8The collection component includes a collection frame 33, which is arranged inside the frame 1. The outer side of the collection frame 33 is slidably connected to facilitate the disassembly and assembly of the collection frame 33, and is convenient for workers to clean and replace. A textile collection bag 34 is fixedly connected to the bottom of the collection frame 33. The textile collection bag is made of high-strength material with good air permeability, which can effectively prevent the leakage of fine particles and facilitate the discharge of airflow and heat generated during the processing. The outer side of the discharge port 35 is fixedly connected to the top of the frame 1, and the top of the discharge port 35 passes through the bottom of the secondary crushing bin 3, ensuring that the crushed medicinal material particles can be quickly discharged and enter the collection component for collection.

[0025] Please see attached Figure 7-Figure 9 , the adjustable screen assembly includes a multi-mesh filter ring 17, a worm gear reducer 19 and a motor 20. The multi-mesh filter ring 17 is the core part of the assembly, and its outer side is rotatably connected to the inside of the crushing tooth 8 through a bearing structure. The filter holes on it are distributed in a ring array, and the mesh numbers of the filter holes are distributed in a sequentially increasing manner, so that the screening standard of the medicinal material particles can be flexibly adjusted during the processing. The outer wall of the multi-mesh filter ring 17 is fixedly connected with a toothed ring 18, and the toothed ring 18 is connected to the output end gear 21 of the worm gear reducer 19 through a tooth meshing mode, ensuring that the multi-mesh filter ring 17 can rotate smoothly inside the crushing tooth 8. The bottom of the worm gear reducer 19 is fixedly connected to the top of the secondary crushing bin 3, and the design of the reduction structure is adopted to ensure that the multi-mesh filter ring 17 can rotate at a slow and stable speed, thereby realizing the switching of sieve holes of different mesh numbers. The motor 20 is fixedly connected to the top edge of the secondary crushing bin 3 by bolts, and its output end is connected to the input end of the worm gear reducer 19 through a coupling. By starting the motor 20, the worm gear reducer 19 drives the gear 21 to rotate, and the gear 21 further drives the gear ring 18 and the multi-mesh filter ring 17 connected thereto to complete the rotation angle adjustment. During the rotation process, the multi-mesh filter ring 17 can switch to a sieve hole structure with different mesh numbers, so that the screen assembly can quickly adapt to the requirements of different particle specifications. During use, the worm gear reducer 19 has a self-locking function, which can effectively prevent the multi-mesh filter ring 17 from rotating due to force, thereby ensuring the stability of the processing accuracy. It avoids the cumbersome operation of frequent replacement of the screen in traditional grinders, and at the same time meets the requirements for a variety of particle specifications in the processing of Chinese herbal medicines.

[0026] Please see attached Figure 8 and Fig. 9 The top of the discharge port 35 is in contact with the bottom of the multi-mesh filter ring 17, and a groove is provided at the top of the discharge port 35 to provide a movable space for the toothed ring 18, so that when the multi-mesh filter ring 17 is rotated to adjust the angle, the toothed ring 18 structure outside it can operate smoothly, and at the same time, the qualified medicinal materials that have been crushed for the second time will pass through the multi-mesh filter ring 17 and enter the inside of the discharge port 35.

[0027] Please see attached Figure 5-Figure 7The lubrication assembly includes a bracket 22, the bottom of which is fixedly connected to the top of the secondary crushing bin 3 away from the bin cover 12, providing a solid mounting support for the lubrication assembly. An oil tank 23 is fixedly connected to one side of the top of the bracket 22, and the oil tank 23 stores lubricating oil inside. Its oil outlet is connected to the sleeve 24 through an oil inlet pipe 25. The sleeve 24 is closed at one end and open at the other end. The compression and delivery of the lubricating oil are achieved through the piston 30 inside it. An electromagnetic one-way valve 26 is installed in the middle of the oil inlet pipe 25, which is used to control the flow of the lubricating oil and ensure that the lubricating oil is delivered along a specific path. The other end of the sleeve 24 is connected to the inside of the sleeve 4 through an oil outlet pipe 27, and a one-way valve 28 is installed in the middle of the oil outlet pipe 27 to ensure that the lubricating oil can only flow into the sleeve 4 in one direction to avoid reverse backflow. A spring 29 is installed inside the sleeve 24, one end of the spring 29 is fixedly connected to the inner wall of the sleeve 24, and the other end pushes the piston 30 to move in the sleeve 24. The side of the piston 30 away from the spring 29 is connected to the cam 32 through the T-bar 31, and the cam 32 is fixedly connected to the outside of the output shaft of the motor 20. As the motor 20 is started, the cam 32 rotates so that its raised part periodically pushes the T-bar 31 to move, thereby pushing the piston 30 to complete the reciprocating motion. When the piston 30 moves outward, a negative pressure state is formed inside the sleeve 24, and the lubricating oil in the oil tank 23 is sucked into the sleeve 24. When the piston 30 is compressed inward, a high pressure state is formed inside the sleeve 24, and the lubricating oil is pressed into the oil outlet pipe 27, and finally transported to the inside of the sleeve 4, so as to fully lubricate the rotating shaft 5 and the sleeve 4.

[0028] Please see attached Figure 5 and Figure 6 The linkage assembly includes a T-shaped rod 31 and a cam 32. The middle of the T-shaped rod 31 is slidably connected to the middle of the sleeve 24, and one end of the T-shaped rod 31 is fixedly connected to the middle of the piston 30, so that the T-shaped rod 31 can maintain sufficient stability during reciprocating motion. The cam 32 is fixedly connected to the outside of the output shaft of the motor 20, and the other end of the T-shaped rod 31 is in contact with the cam 32, so that the cam 32 will cross-push the T-shaped rod 31 to operate during the rotation process, thereby achieving the purpose of driving the lubrication assembly to operate.

[0029] Please see attached Fig.10The pre-separation component includes a separation bin 36, the bottom of which is fixedly connected to the top of the feed pipe 13, a separation cylinder 37 is fixedly installed in the middle side of the separation bin, and a guide port 38 is fixedly connected to the top of the separation bin 36, which is connected to the top of the separation bin 36. The separation bin 37 adopts a hollow structure, which is convenient for blowing away impurities on the surface of the medicinal materials through the airflow generated by the fan 41. The fan 41 is fixedly installed inside the shell 39, which generates negative pressure through high-speed rotation, driving the external air into the separation bin 36 through the ventilation hood 43, forming a continuous airflow cycle. Under the action of the airflow, the dust and impurities on the surface of the medicinal materials inside the separation cylinder 37 are blown away by the airflow, and then pass through the separation cylinder 37 and are discharged into the shell 39. A blocking net 42 is installed inside the vent 40 to prevent dust and impurities from entering the external environment. All separated impurities will fall into the collection box 14 under the action of gravity, which is convenient for subsequent cleaning and processing. The pre-separation component can efficiently separate impurities after primary crushing and improve the cleanliness of the medicinal materials.

[0030] Please see attached Fig.10 The bottom of the primary crushing bin 44 is fixedly connected to the top of the separation bin 36, and the top is fixedly connected to the hopper 16 by bolts. The hopper 16 is used to transport medicinal materials into the primary crushing bin 44. The inner wall is smooth and has good flow conductivity, which can effectively prevent the medicinal materials from being blocked at the entrance. A rotating rod 45 is rotatably connected inside the primary crushing bin 44. A plurality of cutting knives 46 are evenly distributed and installed on the surface of the rotating rod 45. The cutting knives 46 are distributed in an array and can rotate at high speed to cut the medicinal materials and quickly cut them into suitable segments. One end of the rotating rod 45 passes through the primary crushing bin 44 and is fixedly connected to a pulley 47. The pulley 47 is connected to another pulley 47 on the output shaft of the fan 41 through a synchronous belt to realize power transmission. The internal structure of the primary crushing bin 44 is compact, which can reduce the accumulation of medicinal materials during the cutting process and improve processing efficiency.

[0031] Please see attached Fig. 9 and Fig.10 An isolation cover 48 is arranged outside the pulley 47, and the isolation cover 48 is fixedly connected between the primary crushing bin 44 and the housing 39. The design of the isolation cover 48 can prevent dust from entering between the pulley 47 and the synchronous belt, thereby ensuring stable operation. A dust cover 15 is arranged outside the gear 21, and the bottom of the dust cover 15 is fixedly connected to the top of the secondary crushing bin 3. The dust cover 15 can prevent foreign impurities or dust from entering between the gear 21 and the gear ring 18.

[0032] Working principle: When making Chinese herbal medicine slices, first put the dried finished Chinese herbal medicine into the hopper 16, then start the fan 41 and the motor 9. The operation of the fan 41 will drive the rotating rod 45 to rotate through the pulley 47 on the rear output shaft, and then the rotating rod 45 can drive the cutting knife 46 to rotate at high speed, cutting the herbal medicine falling into the hopper 16. As the herbal medicine enters the primary crushing bin 44 under the action of gravity, the preliminary crushing of the herbal medicine is completed. At this time, the herbal medicine is cut into segments and falls into the guide port 38. The vibration generated during the chopping process will also cause the dust and impurities mixed on the surface of the herbal medicine to fall off, and then enter the separation cylinder 37 together. At the same time, after the fan 41 is started, the gas inside the separation bin 36 and the shell 39 will be continuously discharged from the inside of the vent 40, so that the separation bin 36 and the shell 39 form a negative pressure state. As a result, the outside air continuously passes through the ventilation hood 43 and enters the separation chamber 36. The airflow generated will directly pass through the hollow separation cylinder 37, blowing the medicinal materials that are initially chopped and fall into the separation cylinder 37, so that the dust and impurities mixed in the medicinal materials are separated from the separation cylinder 37 under the action of the fan 41. The separated dust will be blocked by the blocking net 42 to prevent it from flowing to the outside. The separated dust and impurities will fall into the collection box 14 under the action of gravity for collection. After that, the medicinal materials that have been initially chopped and separated will enter the feed pipe 13 and enter the secondary crushing bin 3 along the feed pipe 13. Before that, the motor 9 will start to drive the driving wheel 10 to rotate, and will synchronously drive the driven wheel 11 to rotate under the drive of the belt, and then drive the rotating shaft 5 and the mounting plate 6 to rotate. As the mounting plate 6 rotates inside the secondary crushing bin 3, the crushing hammer 7 on its outer side will be deployed under the action of centrifugal force. At this time, the inside of the secondary crushing bin 3 rotates at a high speed with the mounting plate 6 and the crushing hammer 7, and the gas inside it will be compressed and pass through the multi-mesh filter ring 17 into the inside of the discharge port 35. Then the airflow passes through the discharge port 35 into the inside of the frame 1 and is discharged from the exhaust port on the side. At the same time, negative pressure will be formed inside the secondary crushing bin 3, so that the outside air will continuously flow in from the hopper 16, pass through the feed pipe 13 and enter the secondary crushing bin 3, so that the medicinal materials inside the hopper 16 are pressed into the secondary crushing bin 3 under the action of suction. When the medicinal materials pass through the feed pipe 13 and enter the secondary crushing bin 3, they will be crushed by the high-speed rotating hammer 7, and at the same time, the crushing teeth 8 on the inner wall of the secondary crushing bin 3 will further crush the medicinal materials, so that the medicinal materials are crushed into particles of appropriate size. With the air pressure inside the secondary crushing bin 3, the crushed medicinal materials will directly pass through the multi-mesh filter ring 17 into the discharge port 35, and fall into the textile collection bag 34 for collection; When it is necessary to process granular medicinal materials of different sizes, it is only necessary to start the motor 20 to drive the worm gear reducer 19 to operate, and then the worm gear reducer 19 will drive the gear 21 to rotate, and the gear 21 rotates to drive the tooth ring 18 to rotate, so that the tooth ring 18 drives the multi-mesh filter ring 17 to rotate inside the crushing tooth 8. Since the mesh size of the multi-mesh filter ring 17 is distributed in a circular array, and the mesh size of each section is different, it is distributed in increasing order. As the motor 20 starts to drive the multi-mesh filter ring 17 to rotate a fixed angle, the filter holes of different mesh sizes on the multi-mesh filter ring 17 are switched to be exposed from the inside of the crushing tooth 8, so that during the processing and crushing process, the angle of rotation of the multi-mesh filter ring 17 inside the crushing tooth 8 can be switched according to the characteristics of different medicinal materials, and the structure of different mesh number sections is switched to the gap at the bottom of the crushing tooth 8, so that the medicinal materials that reach a specific mesh size during crushing will directly pass through the multi-mesh filter ring 17 into the discharge port 35, and then fall into the textile collection bag 34 for collection. At the same time, the worm gear reducer 19 drives the gear 21 to realize the rotation switching of the multi-mesh filter ring 17. With the help of the self-locking characteristics of the worm gear reducer 19, it is possible to process medicinal materials with different particle sizes, and avoid the multi-mesh filter ring 17 from rotating due to force. It can avoid the need for workers to constantly replace the crushing and screening filter structure when processing different medicinal materials. By quickly adjusting the position of the multi-mesh filter ring 17, it is possible to screen medicinal materials with different particle sizes, and then meet the crushing particle size requirements of different specifications, greatly improving the processing efficiency and convenience of the crushing device; As the motor 9 drives the driven wheel 11 to rotate at high speed, the driven wheel 11 will also drive the rotating shaft 5 to rotate at high speed inside the sleeve 4 to achieve secondary crushing of the medicinal materials. During the process, a high friction force will be generated between the high-speed rotation of the rotating shaft 5 and the sleeve 4, resulting in rapid heating of the rotating shaft 5 and the sleeve 4, and increasing their wear, resulting in a rapid reduction in service life. At this time, when switching to process different pieces of medicinal materials, accompanied by the operation of the adjustable screen assembly, the staff can open the electromagnetic one-way valve 26, so that the inside of the oil inlet pipe 25 is in a smooth state. At this time, the compressed spring 29 inside the sleeve 24 will push the piston 30 to move outward. During the process, the protruding part of the cam 32 will gradually move away from the T-bar 31 as it rotates, and then the inside of the sleeve 24 will form a negative pressure due to the activity of the piston 30, so that the lubricating oil inside the oil tank 23 will be drawn into the sleeve 24 through the oil inlet pipe 25. At the same time, with the cam 32. As the rotation continues, the protruding part of the cam 32 will contact the T-bar 31 again and push the T-bar 31 to move toward the inside of the sleeve 24, thereby pushing the piston 30 to move toward the inside of the sleeve 24. At this time, a high-pressure state will be formed inside the sleeve 24, and the lubricating oil sucked into the sleeve 24 will be pressed into the oil outlet pipe 27. The lubricating oil then passes through the one-way valve 28 and enters the inside of the sleeve 4. The lubricating oil that enters the inside of the sleeve 4 will lubricate the bearing structure between the sleeve 4 and the rotating shaft 5 along the internal oil path, thereby reducing the wear caused by its operation, avoiding serious wear and high temperature of the sleeve 4 and the rotating shaft 5 when running at high speed, and then making the rotating shaft 5 rotate more smoothly, making the secondary crushing process more efficient and effectively extending the service life of the crushing device. After injecting lubricating oil once, the worker can close the electromagnetic one-way valve 26. At this time, the inside of the oil inlet pipe 25 is in a closed state, and then the inside of the sleeve 24 is in a closed state. The spring 29 cannot push the piston 30 to return to the inside of the sleeve 24, and then the sleeve 24 no longer absorbs lubricating oil. At the same time, the T-bar 31 will remain in a state of extending into the inside of the sleeve 24 and not move, avoiding interference with the cam 32 when it moves.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulverizer for processing Chinese herbal medicine slices, comprising a frame (1), characterized in that: A support base (2) is fixedly connected to one side of the top of the frame (1); a secondary crushing bin (3) is fixedly mounted on the top of the support base (2); a shaft sleeve (4) is fixedly connected to the middle of the secondary crushing bin (3); a rotating shaft (5) is rotatably connected inside the shaft sleeve (4); a mounting plate (6) is fixedly connected to one end of the rotating shaft (5); a plurality of evenly distributed crushing hammers (7) are rotatably connected to the outer side of the mounting plate (6); crushing teeth (8) are fixedly connected to the inner wall of the secondary crushing bin (3); and the crushing teeth (8) are arranged at the upper and lower ends of the crushing teeth (8). The frame (1) has openings on both sides, a driving assembly is installed on one side of the frame (1), a collecting assembly is installed on the other side of the frame (1), a bin cover (12) is hingedly connected to the front side of the secondary crushing bin (3), a feed pipe (13) is installed extending outward from the middle of the bin cover (12), a pre-separation assembly is installed on the top of the feed pipe (13), a primary crushing assembly is installed on the top of the pre-separation assembly, an adjustable screen assembly is installed inside the secondary crushing bin (3), and a lubrication assembly is installed on the top of the secondary crushing bin (3).

2. A pulverizer for processing Chinese herbal medicine slices according to claim 1, characterized in that: The driving assembly comprises a motor 1 (9) and a driven wheel (11); the bottom of the motor 1 (9) is fixedly mounted on the inner bottom wall of the frame (1); the output end of the motor 1 (9) passes through the frame (1) and is fixedly connected to the driving wheel (10); the middle of the driven wheel (11) is fixedly connected to an end of the rotating shaft (5) away from the mounting plate (6); and a belt is sleeved between the driving wheel (10) and the driven wheel (11).

3. A pulverizer for processing Chinese herbal medicine slices according to claim 1, characterized in that: The collecting assembly comprises a collecting frame (33), the collecting frame (33) and a discharge port (35), the outer side of the collecting frame (33) being slidably connected to the inside of the frame (1), the bottom of the collecting frame (33) being fixedly connected to a textile collecting bag (34), the outer side of the discharge port (35) being fixedly connected to the top of the frame (1), and the top end of the discharge port (35) passing through the bottom of the secondary crushing bin (3).

4. A pulverizer for processing Chinese herbal medicine slices according to claim 3, characterized in that: The adjustable screen assembly comprises a multi-mesh filter ring (17), a worm gear reducer (19) and a second motor (20); the outer side of the multi-mesh filter ring (17) is rotatably connected to the inside of the crushing teeth (8); the outer wall of the multi-mesh filter ring (17) is fixedly connected to a toothed ring (18); the bottom of the worm gear reducer (19) is fixedly connected to the top of the secondary crushing bin (3); the bottom of the second motor (20) is fixedly connected to the top edge of the secondary crushing bin (3); the output end of the worm gear reducer (19) is fixedly connected to a gear (21); the gear (21) and the toothed ring (18) are meshed; the output end of the second motor (20) and the input end of the worm gear reducer (19) are connected.

5. A pulverizer for processing Chinese herbal medicine slices according to claim 4, characterized in that: The top of the discharge port (35) is in contact with the bottom of the multi-mesh filter ring (17), and a groove is provided at the top of the discharge port (35) to provide a movable space for the gear ring (18).

6. A pulverizer for processing Chinese herbal medicine slices according to claim 1, characterized in that: The lubrication assembly comprises a bracket (22), the bottom of the bracket (22) being fixedly connected to the top of a side of the secondary crushing bin (3) away from the bin cover (12), one side of the top of the bracket (22) being fixedly connected to an oil tank (23), the other side of the top of the bracket (22) being fixedly connected to a sleeve (24), one end of the sleeve (24) being closed and the other end being open at both sides, an oil inlet pipe (25) being connected between the sleeve (24) and the inside of the oil tank (23), and an electromagnetic one-way valve (26) being installed in the middle of the oil inlet pipe (25), an oil outlet pipe (27) being connected between the sleeve (24) and the inside of the shaft sleeve (4), a one-way valve (28) being installed at the top of the oil outlet pipe (27), a spring (29) being installed inside the sleeve (24), one end of the spring (29) being provided with a piston (30), and a linkage assembly being installed on the side of the piston (30) away from the spring (29).

7. A pulverizer for processing Chinese herbal medicine slices according to claim 6, characterized in that: The linkage assembly comprises a T-shaped rod (31) and a cam (32); the middle portion of the T-shaped rod (31) is slidably connected to the middle portion of the sleeve (24); one end of the T-shaped rod (31) is fixedly connected to the middle portion of the piston (30); the inside of the cam (32) is fixedly connected to the outside of the output shaft of the second motor (20); and the other end of the T-shaped rod (31) is in abutment with the cam (32).

8. A pulverizer for processing Chinese herbal medicine slices according to claim 4, characterized in that: The pre-separation component comprises a separation bin (36), the bottom of the separation bin (36) is fixedly connected to the top of the feed pipe (13), a separation cylinder (37) is fixedly connected to the middle side of the inner bottom wall of the separation bin (36), and the separation cylinder (37) and the feed pipe (13) are communicated, a material guide port (38) is fixedly connected to the top of the separation cylinder (37), the outer wall of the material guide port (38) is fixedly connected to the top of the separation bin (36), a ventilation hood (43) is fixedly connected to the outer wall of the separation bin (36), a shell (39) is fixedly installed on the side of the separation bin (36) away from the ventilation hood (43), a ventilation port (40) is fixedly connected to the middle of the shell (39), a fan (41) is fixedly connected to one side of the ventilation port (40), a pulley (47) is installed on the output shaft of the fan (41) away from the fan blades, a blocking net (42) is fixedly connected to the other side of the ventilation port (40), and a collection box (14) is fixedly connected to the bottom of the shell (39).

9. A pulverizer for processing Chinese herbal medicine slices according to claim 8, characterized in that: The primary crushing assembly comprises a primary crushing bin (44), the bottom of the primary crushing bin (44) is fixedly connected to the top of the separation bin (36), the top of the primary crushing bin (44) is fixedly connected to a hopper (16), the interior of the primary crushing bin (44) is rotatably connected to a rotating rod (45), the outer side of the rotating rod (45) is fixedly connected to a plurality of cutting knives (46), one end of the rotating rod (45) passes through the primary crushing bin (44) and is fixedly connected to a pulley (47), and the two pulleys (47) are connected via a synchronous belt.

10. A pulverizer for processing Chinese herbal medicine slices according to claim 8, characterized in that: An isolation cover (48) is provided on the outside of the pulley (47), and the isolation cover (48) is fixedly connected between the primary crushing bin (44) and the housing (39). A dust cover (15) is provided on the outside of the gear (21), and the bottom of the dust cover (15) is fixedly connected to the top of the secondary crushing bin (3).

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