A medicine grinder

Abstract

The present invention relates to the technical field of medicinal material grinding, and specifically to a medicine dispensing grinder, comprising a grinding cylinder extending vertically and a grinding group arranged inside the grinding cylinder, a side wall of the grinding cylinder is provided with a material loading port in the form of a half-circle cylinder wall, a base is arranged below the bottom end of the grinding cylinder; and a material loading group for entering and exiting the material loading port is arranged inside the grinding cylinder. The present invention suspends a plurality of grinding heads in the grinding cylinder at equal intervals and coaxially, and at the same time, an in-and-out material loading group is arranged on the side wall of the grinding cylinder, and a plurality of material loading hoppers are correspondingly adapted and snap-fitted with a plurality of grinding heads, and a servo motor is started to drive a plurality of grinding heads to rotate so as to grind the Chinese medicinal materials placed in the material loading hoppers. After the grinding is completed, the sealing plate is pulled out by reverse operation, and then the Chinese medicinal material powders in the plurality of material loading hoppers are dumped one by one and collected separately, thereby improving the efficiency of medicine dispensing grinding, and the Chinese medicinal material powders can be collected by classification and grouping for quick medicine dispensing.

Description

Technical Field

[0001] The invention relates to the technical field of medicinal material grinding, in particular to a medicine dispensing grinder. Background Art

[0002] There are many kinds of clinical drugs for gynecology in traditional Chinese medicine. Doctors will choose appropriate drugs for compatibility and treatment according to the specific condition and physical condition of the patient. Commonly used Chinese medicines include Angelica sinensis, White Peony Root, Chuanxiong, Salvia miltiorrhiza, Leonurus japonicus, etc. Through different pairing grinding, drug pairs with different effects such as nourishing yin, invigorating qi, promoting blood circulation, and replenishing blood can be obtained. The existing grinders have developed into electric grinding, and the grinding efficiency has been greatly improved. However, each grinding can only obtain one group of paired drug powders, or a limited number of the same drug powders; in view of the wide variety of gynecological clinical drugs and the wide variety of pairing effects, it is still necessary to improve the grinding classification and expansion functions of the grinder. Summary of the invention

[0003] In order to overcome the defects in the prior art, the object of the present invention is to provide a medicine grinder to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides a medicine dispensing grinder, comprising a grinding cylinder extending vertically and a grinding group arranged therein, wherein a material placement opening in the form of a half-circle cylinder wall is opened on one side wall of the grinding cylinder, and a base is arranged below the bottom end of the grinding cylinder; a material placement group for entering and exiting the material placement opening is arranged inside the grinding cylinder; the grinding group comprises a plurality of grinding heads coaxially arranged on the central axis of the grinding cylinder, a plurality of support blocks for correspondingly supporting the lifting and rotation of the plurality of grinding heads, and a servo motor for driving the plurality of grinding heads to rotate, and the servo motor is installed at the center of the top of the grinding cylinder;

[0005] A linkage rod is arranged on the outer side of the grinding cylinder directly opposite to the material port, and the linkage rod is connected to a plurality of support blocks, the support blocks are located inside the grinding cylinder and a pair of spring plates are arranged on the top surface thereof, the top of the spring plates is fixedly connected to the inner wall of the grinding cylinder, and an eccentric top wheel is arranged below the linkage rod;

[0006] The material placement group includes a material placement hopper that is clamped with the grinding head and a sealing plate for clamping a plurality of material placement hoppers for flipping and unloading; the sealing plate is clamped with the material placement port, and a plurality of pairs of clamping plates are symmetrically arranged on the inner wall of the sealing plate. The material placement hopper is in the shape of a hemispherical shell with an opening on the top surface, and the top two sides thereof are rotatably connected to the clamping plates by pins; the top wheel is rotated to push the linkage rod upward, thereby driving the grinding head to avoid the path entered by the material placement hopper, and then the top wheel is released, and the grinding head is clamped with the material placement hopper under the downward rebound force of the spring piece, and the servo motor is started to drive the grinding head to rotate and grind the Chinese medicinal materials in the material placement hopper.

[0007] As a further improvement of the present technical solution, the grinding head is in the shape of a hollow hemispherical shell and a sleeve is embedded in the center of its top surface. The longitudinal section of the sleeve is T-shaped and a square hole is opened in the center, and a transmission column is inserted in the square hole. The top of the transmission column located at the top of the grinding cylinder is fixedly connected to a screw, and the screw is threadedly connected to the output shaft of the servo motor.

[0008] As a further improvement of the technical solution, the top ends of the several transmission columns located below the top of the grinding cylinder are all provided with pulleys, and the center holes of the pulleys are tightly fitted with the transmission columns, the lower end of the output shaft of the servo motor is tightly fitted with a gear ring, a pair of transmission rods are symmetrically arranged on both sides of the grinding head, the top ends of the transmission rods are provided with gears meshing with the gear rings, the outer walls of the transmission rods and located at the same height of the several pulleys are provided with clamping rings, and a toothed belt is meshed between the two clamping rings and the pulleys at the same height.

[0009] As a further improvement of the present technical solution, one end of the support block is sleeved with the sleeve, and sliders are symmetrically provided on both sides of the other end of the support block. The inner wall of the grinding cylinder is vertically symmetrically provided with limit plates that are engaged and slide with the two sliders. A socket is opened in the center of the other end of the support block, and a straight rod that is plugged into the socket is vertically provided on the side wall of the linkage rod.

[0010] As a further improvement of the present technical solution, the spring sheet is in a double-piece folded in the middle in its natural state and is made of spring steel. A positioning pin is inserted into the top side wall of the spring sheet, and the positioning pin passes through the inner wall of the grinding cylinder. A cross bar is provided at the bottom of the spring sheet and the cross bar is in pressure contact with the top surface of the support block.

[0011] As a further improvement of the technical solution, the clamping plate is in the shape of a triangular block with its inclined surface facing downward, and support rods are symmetrically provided on the inner wall of the sealing plate and under each pair of clamping plates. The outer side of the bottom of the hopper is overlapped between a pair of support rods, and the support rods penetrate to the side wall of the limiting plate.

[0012] As a further improvement of the present technical solution, a block which is wide at the top and narrow at the bottom is provided in the middle of the top surface of the sealing plate, a number of insertion strips are provided at equal intervals on the two vertical side surfaces of the sealing plate, a through groove is provided on the side wall of the grinding cylinder and at the top of the feeding port, the block is adapted to be snap-fitted into the through groove, a number of slots are provided at equal intervals on the two vertical side surfaces of the feeding port, and a number of the insertion strips are correspondingly snap-fitted into the number of slots.

[0013] As a further improvement of the present technical solution, a slide groove is provided on the side wall of the grinding cylinder opposite to the material port, the straight rod on the side wall of the linkage rod is inserted and slid in the slide groove, the eccentric hole of the top wheel is inserted with a turning handle and the plug-in end of the turning handle passes through the side wall of the grinding cylinder, a protective cover is provided on the outside of the grinding cylinder and protrudes outside the slide groove, and a sealing cover is clamped on the outer port of the protective cover.

[0014] As a further improvement of the technical solution, a limit pin is embedded on the outside of the grinding cylinder and at the bottom corner of the feeding port, an automatic hook is sleeved on the limit pin, and another limit pin connected to the automatic hook is embedded at the corner of the bottom side wall of the sealing plate.

[0015] As a further improvement of the present technical solution, one end of the automatic hook is annular, and the other end is a vertical bending section. A triangular block-shaped guide block is provided on the outside of the bending section and is in sliding contact with another limit pin. The horizontal height of the top of the inclined surface of the guide block is higher than the top height of the thin diameter section of the limit pin. A pressing plate is placed on the annular top of the automatic hook, and the pressing plate is located at the end of the ring of the automatic hook and is fixedly connected to the side wall of the grinding cylinder.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The medicine dispensing grinder has a vertically extended space through a grinding cylinder, and a grinding group is arranged therein, so that a plurality of grinding heads are suspended coaxially at equal intervals, and an accessible material placement group is arranged on the side wall of the grinding cylinder. A plurality of material placement hoppers are correspondingly adapted and connected with a plurality of grinding heads, and the Chinese medicinal materials placed in the material placement hoppers can be ground by starting a servo motor to drive the plurality of grinding heads to rotate. After the grinding is completed, the sealing plate is pulled out by reverse operation, and the Chinese medicinal material powders in the plurality of material placement hoppers are dumped one by one and collected separately, thereby improving the medicine dispensing grinding efficiency, and the Chinese medicinal material powders can be collected by classification and grouping for rapid medicine dispensing.

[0018] 2. The medicine grinder supports the grinding head to rotate and rise and fall by means of a support block, and a spring piece is arranged on the support block. When the grinding head rotates, the spring piece continuously presses downward as the Chinese medicinal materials are crushed, and then continues to grind automatically until they become powder, so that the grinding is more thorough. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the various components in the drawings are only schematic, used to help understand the present invention, and are not specifically limited to the shapes and proportional dimensions of the various components of the present invention. Those skilled in the art, under the guidance of the present invention, select various possible shapes and proportional dimensions to implement the present invention according to specific circumstances.

[0020] Figure 1 It is a schematic diagram of the overall assembly structure of the present invention.

[0021] Figure 2 It is a schematic diagram of the internal assembly structure of the grinding cylinder of the present invention.

[0022] Figure 3 This is one of the schematic diagrams of the grinding group assembly structure of the present invention.

[0023] Figure 4 This is the second schematic diagram of the grinding group assembly structure of the present invention.

[0024] Figure 5 It is a schematic diagram of the grinding cylinder structure of the present invention.

[0025] Figure 6 It is an assembly and disassembly diagram of the material placement group of the present invention.

[0026] Figure 7 It is a schematic diagram of the structure of the outer side wall of the grinding cylinder of the present invention.

[0027] Figure 8 It is a disassembled diagram of the transmission rod and the servo motor assembly of the present invention.

[0028] Fig. 9 This is a disassembled diagram of the grinding head assembly of the present invention.

[0029] Fig.10 This is a disassembled diagram of the grinding head of the present invention.

[0030] Fig.11 It is a schematic diagram of the automatic hook structure of the present invention.

[0031] The meaning of each number in the figure is:

[0032] 100, grinding cylinder; 101, material placement port; 102, limit plate; 103, positioning pin; 104, through slot; 105, card slot; 106, shield; 107, slide slot; 110, base; 120, automatic hook; 121, guide block; 122, pressing sheet; 130, limit pin;

[0033] 200, grinding group; 210, grinding head; 211, sleeve; 212, transmission column; 220, support block; 2201, slider; 2202, pressure roller; 2203, jack; 221, linkage rod; 222, spring piece; 223, top wheel; 230, servo motor; 240, transmission rod; 241, gear; 242, clamping ring; 243, toothed belt; 244, pulley; 250, gear ring;

[0034] 300, material placement group; 310, material placement hopper; 320, sealing plate; 321, clamping plate; 322, supporting rod; 323, clamping block; 324, inserting strip. DETAILED DESCRIPTION

[0035] The details of the present invention can be more clearly understood by combining the accompanying drawings with the description of the specific embodiments of the present invention. However, the specific embodiments of the present invention described herein are only used for the purpose of explaining the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, the technical personnel's conception is based on any possible variation of the present invention, which should be regarded as belonging to the scope of the present invention. The terms "installation" and "connection" should be understood in a broad sense, which means direct connection and indirect connection through an intermediate medium.

[0036] The terms "central axis", "vertical", "horizontal", "front", "back", "up", "down", "left", "right", "top", "bottom", "inside", "outside" and the like used herein to indicate positions or positional relationships are based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0037] See also Figure 1-Figure 11 As shown, the present invention provides a medicine grinder, comprising a grinding cylinder 100 extending vertically and a grinding group 200 arranged therein, a material placement opening 101 in the form of a half-circle cylinder wall is provided on one side wall of the grinding cylinder 100, a base 110 is provided below the bottom end of the grinding cylinder 100, the base 110 is in a truncated cone structure and a load-bearing block is placed therein to increase the stability of the grinding cylinder 100; a material placement group 300 for entering and exiting the material placement opening 101 is provided inside the grinding cylinder 100, so as to quickly take in and put in Chinese medicinal materials; The grinding group 200 includes a plurality of grinding heads 210 coaxially arranged on the central axis of the grinding cylinder 100, a plurality of support blocks 220 for correspondingly supporting the lifting and rotation of the plurality of grinding heads 210, and a servo motor 230 for driving the plurality of grinding heads 210 to rotate. The servo motor 230 is installed at the top center of the grinding cylinder 100. By setting up the plurality of grinding heads 210, different types or different portions of the same type of Chinese medicinal materials can be ground at the same time, so that the ground Chinese medicinal materials can be classified and grouped, thereby improving the overall grinding efficiency.

[0038] Specifically, a linkage rod 221 is provided on the outer side of the grinding cylinder 100 directly opposite to the material port 101, and the linkage rod 221 is connected to a plurality of support blocks 220. The support blocks 220 are located inside the grinding cylinder 100 and a pair of spring plates 222 are provided on the top surface thereof. The top of the spring plates 222 is fixedly connected to the inner wall of the grinding cylinder 100. The support blocks 220 are pressed by the spring plates 222 to apply pressure to the grinding head 210 for elastic grinding, so that the Chinese medicinal materials are automatically ground into powder; an eccentric top wheel 223 is provided below the linkage rod 221, and the vertical range of the grinding head 210 is changed by rotating the top wheel 223, that is, the linkage rod 221 is pushed to drive the plurality of support blocks 220 and the grinding head 210 to rise, so as to lower and grind after the material is discharged;

[0039] The material placing group 300 includes a placing hopper 310 clamped with the grinding head 210 and a sealing plate 320 for clamping a plurality of placing hoppers 310 to flip and unload; the sealing plate 320 is clamped and matched with the placing port 101 to block the placing port 101, so that the grinding cylinder 100 is in a closed state for grinding; a plurality of pairs of clamping plates 321 are symmetrically arranged on the inner wall of the sealing plate 320, the placing hopper 310 is in the shape of a hemispherical shell with an opening on the top surface, and the two sides of the top end thereof are rotatably connected with the clamping plates 321 by pins, so that after removing the sealing plate 320, the placing hopper 310 can be flipped to dump the Chinese medicinal material powder; the outer spherical surface of the grinding head 210 and the inner spherical surface of the placing hopper 310 are both frosted surfaces, and are made of stainless steel, so that the grinding can be smooth with them;

[0040] By rotating the top wheel 223, the linkage rod 221 is pushed upward, thereby driving the grinding head 210 to avoid the path of the hopper 310. Then, the top wheel 223 is released, and the grinding head 210 is engaged with the hopper 310 due to the downward rebound force of the spring piece 222. The servo motor 230 is started to drive the grinding head 210 to rotate and grind the Chinese medicinal materials in the hopper 310.

[0041] Furthermore, the grinding head 210 is in the shape of a hollow hemispherical shell and a sleeve 211 is embedded in the center of its top surface. The longitudinal section of the sleeve 211 is T-shaped and a square hole is opened in the center, and a transmission column 212 is inserted into the square hole. The length of the transmission column 212 is greater than the depth of the hopper 310, so that when the grinding head 210 rises and slides to the top of the transmission column 212, the bottom of the grinding head 210 can rise above the top of the hopper 310, so that the hopper 310 can be smoothly moved into the interior of the grinding cylinder 100 until it is directly below the grinding head 210.

[0042] Furthermore, a screw is fixedly connected to the top of the transmission column 212 located at the top of the grinding cylinder 100, and the screw is threadedly connected to the output shaft of the servo motor 230; the tops of the plurality of transmission columns 212 located below the top of the grinding cylinder 100 are all sleeved with pulleys 244, and the center holes of the pulleys 244 are tightly fitted with the transmission column 212, so that the pulleys 244 drive the transmission column 212 to rotate, thereby driving the grinding head 210 to rotate;

[0043] A gear ring 250 is tightly sleeved on the lower end of the output shaft of the servo motor 230, and a pair of transmission rods 240 are symmetrically arranged on both sides of the grinding head 210. A gear 241 meshing with the gear ring 250 is sleeved on the top of the transmission rod 240, and a clamping ring 242 is provided on the outer wall of the transmission rod 240 and located at the same height as the plurality of pulleys 244. A toothed belt 243 is meshed between the two clamping rings 242 and the pulleys 244 at the same height; that is, the transmission rod 240 is driven to rotate by the gear ring 250, and the pulleys 244 meshing therewith are driven to rotate by the plurality of toothed belts 243, thereby driving the plurality of grinding heads 210 below the top of the grinding cylinder 100 to rotate and grind the Chinese medicinal materials placed in the plurality of hoppers 310.

[0044] Specifically, one end of the support block 220 is sleeved with the sleeve 211 to support the grinding head 210 for lifting and rotating movement; the other end of the support block 220 is symmetrically provided with sliders 2201 on both sides, and the inner wall of the grinding cylinder 100 is vertically symmetrically provided with limit plates 102 that are engaged and slid with the two sliders 2201, and the sliders 2201 are engaged in the channel between the limit plates 102 and the inner wall of the grinding cylinder 100, so as to limit and guide the grinding head 210; the top surface of the other end of the support block 220 is provided with a convex ring and pins are sleeved at both ends of the convex ring. A pressure roller 2202 is sleeved on the pin, and the pressure roller 2202 is placed just above the slider 2201 and in rolling contact with the inner side of the limit plate 102; in addition, pressure rollers 2202 are sleeved on both sides of the other end of the support block 220, and the pressure rollers 2202 are located on the side of the slider 2201 and in rolling contact with the outer side of the limit plate 102, so as to reduce the friction force between the slider 2201 and the limit plate 102; so that when one end of the support block 220 suspends the grinding head 210, the other end thereof can slide smoothly in the channel between the limit plate 102 and the inner wall of the grinding cylinder 100;

[0045] A plug hole 2203 is provided at the center of the other end of the support block 220, and a straight rod plugged into the plug hole 2203 is vertically provided on the side wall of the linkage rod 221, that is, the lifting movement of the linkage rod 221 drives several support blocks 220 to move synchronously.

[0046] Furthermore, the spring piece 222 is in a natural state and is in the shape of a double-piece folded in the middle. It is made of spring steel so that it has resilience after being compressed. A positioning pin 103 is inserted into the top side wall of the spring piece 222, and the positioning pin 103 passes through the inner wall of the grinding cylinder 100. A cross bar is provided at the bottom of the spring piece 222 and the cross bar is in pressure contact with the top surface of the support block 220, that is, the top of the spring piece 222 is positioned and the support block 220 is pressed by the cross bar, so that when the grinding head 210 rotates, it is continuously pressed down as the Chinese medicinal materials are crushed, and then continues to grind automatically.

[0047] Furthermore, the clamping plate 321 is triangular in shape and its inclined surface is arranged downward, so that the clamping plate 321 itself has a higher supporting strength; the inner wall of the sealing plate 320 and below each pair of clamping plates 321 are symmetrically provided with supporting rods 322, the outer side of the bottom of the hopper 310 is overlapped between the pair of supporting rods 322, and the supporting rods 322 penetrate to the side wall of the limiting plate 102, and the bottom of the hopper 310 is supported by the pair of supporting rods 322, and the grinding head 210 is pressed and ground;

[0048] A block 323 that is wide at the top and narrow at the bottom is provided in the middle of the top surface of the sealing plate 320 to form a limiting structure. A number of insert strips 324 are provided at equal intervals on the two vertical side surfaces of the sealing plate 320. A through groove 104 is provided on the side wall of the grinding cylinder 100 and at the top of the feeding port 101. The block 323 is adapted to be engaged with the through groove 104. A number of slots 105 are provided at equal intervals on the two vertical side surfaces of the feeding port 101. The several insert strips 324 are correspondingly engaged with the several slots 105, so that the engagement between the sealing plate 320 and the feeding port 101 is more stable.

[0049] Furthermore, a slide groove 107 is provided on the side wall of the grinding cylinder 100 and directly opposite to the material port 101, and the straight rod on the side wall of the linkage rod 221 is plugged and slid into the slide groove 107, so that the straight rod is connected and linked with the support block 220; a turning handle is plugged into the eccentric hole of the top wheel 223 and the plug-in end of the turning handle passes through the side wall of the grinding cylinder 100, and a protective cover 106 is provided on the outside of the grinding cylinder 100 and protrudes outside the slide groove 107. A sealing cover is clamped on the outer port of the protective cover 106, and the plug-in end of the turning handle also passes through the sealing cover, so that the turning handle is supported and rotates stably.

[0050] Furthermore, a limit pin 130 is embedded on the outside of the grinding cylinder 100 and at the bottom corner of the feeding port 101. The limit pin 130 is a stepped shaft structure, and the large diameter end is arranged outward; an automatic hook 120 is sleeved on the limit pin 130, and another limit pin 130 connected with the automatic hook 120 is embedded at the bottom side wall corner of the sealing plate 320, so that the sealing plate 320 will not slip after being clamped with the feeding port 101, thereby ensuring smooth grinding;

[0051] One end of the automatic hook 120 is annular, that is, it is sleeved with the limit pin 130 on the grinding cylinder 100; and the other end of the automatic hook 120 is a vertical bending section, which is used to clamp the limit pin 130 on the sealing plate 320; a guide block 121 in the form of a triangular block is provided on the outer side of the bending section and is in sliding contact with another limit pin 130. The horizontal height of the top of the inclined surface of the guide block 121 is higher than the top height of the thin-diameter section of the limit pin 130, so that when the sealing plate 320 is clamped into the material placement port 101, the limit pin 130 is used to 0 The thin-diameter section squeezes the guide block 121, driving the automatic hook 120 to turn up, and then falls down to clamp the limit pin 130; a pressing piece 122 is placed on the annular top of the automatic hook 120, and the pressing piece 122 is made of spring steel and is in a straight sheet shape, so that it has a spring force; and the pressing piece 122 is located at the end of the annular end of the automatic hook 120 and is fixedly connected to the side wall of the grinding cylinder 100, so that the pressing piece 122 always presses the automatic hook 120 to keep it horizontal, and the sealing plate 320 is automatically pressed and clamped when it is inserted into the material placement port 101.

[0052] When the medicine grinder of the present invention is used, the sealing plate 320 is pulled out, and different types of Chinese medicinal materials are placed in different hoppers 310, or different batches of Chinese medicinal materials of the same type are placed in different hoppers 310, so as to obtain different components of medicine after grinding; then the vertical range of the grinding head 210 is changed by rotating the top wheel 223, that is, the linkage rod 221 is pushed to drive the plurality of support blocks 220 and the grinding head 210 to rise, and then the sealing plate 320 is translated to be clamped into the material loading port 101, and then the top wheel 223 is released, so that the plurality of grinding heads 210 are correspondingly clamped into the plurality of hoppers 310; at the same time, the automatic hook 120 automatically clamps the sealing plate 320 to prevent it from slipping during grinding;

[0053] The servo motor 230 is started to drive the gear ring 250 to rotate, thereby driving the transmission rod 240 to rotate, and the plurality of toothed belts 243 drive the meshing pulley 244 to rotate, thereby driving the plurality of grinding heads 210 below the top of the grinding cylinder 100 to rotate and grind the Chinese medicinal materials placed in the plurality of hoppers 310; when the grinding head 210 rotates, the Chinese medicinal materials are crushed and are continuously pressed downward by the spring piece 222, thereby continuing to grind automatically until they are powdered; after the grinding is completed, the sealing plate 320 is reversed and pulled out, and then the Chinese medicinal material powders in the plurality of hoppers 310 are dumped one by one and collected separately, thereby improving the grinding efficiency of the medicine preparation, and the Chinese medicinal material powders can be classified and grouped and collected for quick medicine preparation.

[0054] It should be noted that the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A medicine grinder, characterized in that: The invention comprises a grinding cylinder (100) extending vertically and a grinding group (200) arranged therein, wherein a material placement opening (101) in the form of a half-circle wall is provided on one side wall of the grinding cylinder (100), and a base (110) is arranged below the bottom end of the grinding cylinder (100); a material placement group (300) for entering and exiting the material placement opening (101) is arranged inside the grinding cylinder (100); the grinding group (200) comprises a plurality of grinding heads (210) coaxially arranged on the central axis of the grinding cylinder (100), a plurality of support blocks (220) for correspondingly supporting the plurality of grinding heads (210) to rise and fall and rotate, and a servo motor (230) for driving the plurality of grinding heads (210) to rotate, and the servo motor (230) is installed at the top center of the grinding cylinder (100); A linkage rod (221) is arranged on the outside of the grinding cylinder (100) directly opposite to the material opening (101); the linkage rod (221) is connected to a plurality of support blocks (220); the support blocks (220) are located inside the grinding cylinder (100) and are provided with a pair of spring plates (222) on their top surfaces; the tops of the spring plates (222) are fixedly connected to the inner walls of the grinding cylinder (100); and an eccentric top wheel (223) is arranged below the linkage rod (221); One end of the support block (220) is sleeved with the sleeve (211), and the other end of the support block (220) is symmetrically provided with sliders (2201) on both sides, and the inner wall of the grinding cylinder (100) is vertically symmetrically provided with limit plates (102) that are slidably engaged with the two sliders (2201), and the center of the other end of the support block (220) is provided with a plug hole (2203), and the side wall of the linkage rod (221) is vertically provided with a straight rod that is plugged into the plug hole (2203); The spring sheet (222) is in a double-sheet shape with a folded middle portion in a natural state and is made of spring steel. A positioning pin (103) is inserted into the top side wall of the spring sheet (222), and the positioning pin (103) passes through the inner wall of the grinding cylinder (100). A cross bar is provided at the bottom of the spring sheet (222), and the cross bar is in pressing contact with the top surface of the support block (220); The material placement group (300) comprises a material placement hopper (310) clamped with the grinding head (210) and a sealing plate (320) for clamping a plurality of material placement hoppers (310) to flip and unload materials; the sealing plate (320) is clamped and matched with the material placement opening (101); a plurality of pairs of clamping plates (321) are symmetrically arranged on the inner wall of the sealing plate (320); the material placement hopper (310) is in the shape of a hemispherical shell with an open top surface, and the two sides of the top end are in communication with the clamping plates (321). The top wheel (223) is rotated to push the linkage rod (221) upward, thereby driving the grinding head (210) to avoid the path of the material hopper (310). The top wheel (223) is then released, and the grinding head (210) is engaged with the material hopper (310) under the downward rebound force of the spring sheet (222). The servo motor (230) is started to drive the grinding head (210) to rotate and grind the Chinese medicinal materials in the material hopper (310).

2. The pharmaceutical grinder according to claim 1, characterized in that: The grinding head (210) is in the shape of a hollow hemispherical shell and has a sleeve (211) embedded in the center of its top surface. The sleeve (211) has a T-shaped longitudinal section and has a square hole in the center. A transmission column (212) is inserted into the square hole. A screw is fixedly connected to the top of the transmission column (212) located at the top of the grinding cylinder (100). The screw is threadedly connected to the output shaft of the servo motor (230).

3. The pharmaceutical grinder according to claim 2, characterized in that: The top ends of the plurality of transmission columns (212) located below the top of the grinding cylinder (100) are all sleeved with pulleys (244), and the center holes of the pulleys (244) are adapted and tightly sleeved with the transmission columns (212); the lower end of the output shaft of the servo motor (230) is tightly sleeved with a gear ring (250); a pair of transmission rods (240) are symmetrically arranged on both sides of the grinding head (210); the top ends of the transmission rods (240) are sleeved with gears (241) meshing with the gear ring (250); the outer walls of the transmission rods (240) and located at the same height as the plurality of pulleys (244) are all provided with clamping rings (242); and a toothed belt (243) is meshed between two clamping rings (242) and the pulleys (244) at the same height.

4. The pharmaceutical grinder according to claim 3, characterized in that: The clamping plates (321) are triangular block-shaped and their inclined surfaces are arranged downwards. Support rods (322) are symmetrically arranged on the inner wall of the sealing plate (320) and below each pair of clamping plates (321). The outer side of the bottom of the hopper (310) is overlapped between the pair of support rods (322), and the support rods (322) penetrate the side wall of the limiting plate (102).

5. The pharmaceutical grinder according to claim 4, characterized in that: A clamping block (323) which is wide at the top and narrow at the bottom is provided in the middle of the top surface of the sealing plate (320); a plurality of inserting strips (324) are provided at equal intervals on two vertical side surfaces of the sealing plate (320); a through slot (104) is provided on the side wall of the grinding cylinder (100) and at the top of the material placement opening (101); the clamping block (323) is adapted to be clamped with the through slot (104); a plurality of clamping slots (105) are provided at equal intervals on two vertical side surfaces of the material placement opening (101); and a plurality of the inserting strips (324) are correspondingly clamped with a plurality of the clamping slots (105).

6. The pharmaceutical grinder according to claim 5, characterized in that: A slide groove (107) is provided on the side wall of the grinding cylinder (100) and directly opposite to the material opening (101); a straight rod on the side wall of the linkage rod (221) is plugged and slidably connected to the slide groove (107); a rotating handle is plugged into the eccentric hole of the top wheel (223) and the plug-in end of the rotating handle passes through the side wall of the grinding cylinder (100); a protective cover (106) is provided on the outside of the grinding cylinder (100) and protrudes outside the slide groove (107); and a sealing cover is clamped on the outer end of the protective cover (106).

7. The pharmaceutical grinder according to claim 6, characterized in that: A limit pin (130) is embedded on the outside of the grinding cylinder (100) and at a bottom corner of the material placement opening (101); an automatic hook (120) is sleeved on the limit pin (130); another limit pin (130) connected to the automatic hook (120) is embedded at a bottom side wall corner of the sealing plate (320).

8. The pharmaceutical grinder according to claim 7, characterized in that: One end of the automatic hook (120) is in a ring shape, and the other end thereof is in a vertical bending section. A guide block (121) in the form of a triangular block is provided on the outside of the bending section and is in sliding contact with another stop pin (130). The horizontal height of the top of the inclined surface of the guide block (121) is higher than the top height of the thin-diameter section of the stop pin (130). A pressing sheet (122) is placed on the top of the ring of the automatic hook (120), and the pressing sheet (122) is located at the end of the ring of the automatic hook (120) and is fixedly connected to the side wall of the grinding cylinder (100).

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