CN-122006853-A - Automatic medicinal material smashing and grinding device and method thereof

CN122006853ACN 122006853 ACN122006853 ACN 122006853ACN-122006853-A

Abstract

The invention relates to an automatic medicinal material crushing and grinding device and a method thereof, belonging to the technical field of automatic control and traditional Chinese medicinal material crushing and processing, and comprising a crushing bin, wherein the top of the crushing bin is provided with a feed inlet, and the bottom of the crushing bin is provided with a discharge valve; the invention provides a grinding device for grinding a grinding disc, which comprises a driving and sensing base, a damping structure, a grinding core, a variable-frequency motor, a bin wall temperature sensor and a vibration sensor, wherein the damping structure is arranged between the grinding bin and the driving and sensing base, the grinding core is arranged in the grinding bin and comprises a grinding disc horizontally arranged at the bottom of the grinding bin and a grinding hammer hinged to the edge of the grinding disc through a pin shaft, the variable-frequency motor is vertically arranged in the driving and sensing base, an output shaft of the variable-frequency motor vertically passes through the driving and sensing base upwards and is fixedly connected with the center of the grinding disc and is used for driving the grinding disc to rotate, and the bin wall temperature sensor is attached to the outer wall of the grinding bin.

Inventors

ZHU JUNFENG
YI XIAOJIAO
ZHONG LIKE
JIN XIANGYU
He Chaoneng

Assignees

浙江省肿瘤医院

Dates

Publication Date: 20260512
Application Date: 20260130

Claims (9)

1. An automated medicinal material pulverizing and grinding device, comprising: the crushing bin (100), the top of the crushing bin (100) is provided with a feed inlet (110), and the bottom of the crushing bin is provided with a discharge valve (120); a drive and sense base (300) located below the shredder bin (100); a shock absorbing structure (330) disposed between the crushing bin (100) and the drive and sense base (300); The grinding core (200) is arranged in the grinding bin (100), and the grinding core (200) comprises a grinding disc (210) horizontally arranged at the bottom of the grinding bin (100) and a grinding hammer (220) hinged to the edge of the grinding disc (210) through a pin shaft; the variable frequency motor (310) is vertically arranged in the driving and sensing base (300), and an output shaft of the variable frequency motor vertically passes through the driving and sensing base (300) upwards and is fixedly connected with the center of the grinding disc (210) so as to drive the grinding disc (210) to rotate; a bin wall temperature sensor (130) attached to the outer wall of the pulverizing bin (100); and a vibration sensor (320) mounted on the housing of the drive and sense base (300).
2. The automated drug pulverizing and grinding apparatus of claim 1, wherein the shock absorbing structure (330) is an elastic damping pad disposed between the pulverizing cartridge (100) and the connecting flange of the drive and sense base (300).
3. The automated drug pulverizing and milling apparatus of claim 1, wherein the discharge valve (120) is a gate valve driven by a stepper motor through a screw nut mechanism.
4. The automated drug pulverizing and milling device of claim 1, wherein the bin wall temperature sensor (130) is a thermocouple and the vibration sensor (320) is a piezoelectric accelerometer.
5. An automated medicinal material pulverizing and grinding method applied to the automated medicinal material pulverizing and grinding device as defined in claim 1, and comprising the steps of: Collecting motor current time sequence data fed back by the variable frequency motor (310) and vibration waveform data collected by the vibration sensor (320) in an initial detection stage, determining the material characteristic type of the current medicinal material to be crushed based on the correlation characteristic of the motor current time sequence data and the vibration waveform data, and then matching and executing a basic grinding strategy from a preset strategy library according to the material characteristic type; In the process of executing the basic grinding strategy, comparing an actual motor input power curve formed by motor current data fed back in real time with a standard motor input power curve corresponding to the material characteristic class which is called from the preset strategy library, and generating a grinding working condition matching degree; If the matching degree of the grinding working conditions is lower than a preset matching degree threshold, judging that characteristic drift occurs, and re-determining the material characteristic category based on the acquired data so as to switch to a new grinding strategy; if the matching degree of the grinding working conditions is not lower than the preset matching degree threshold, deducing the particle size state of the materials based on the frequency spectrum change of the signals of the vibration sensor (320), deducing the load capacity in the bin by combining the current value of the variable frequency motor (310), and dynamically regulating and controlling the operation parameters of the variable frequency motor (310).
6. An automated drug crushing and milling method according to claim 5 wherein the material property categories include a high toughness category, a hard brittle category, or a high oiliness category.
7. The method according to claim 5, wherein the step of dynamically adjusting the operation parameters of the variable frequency motor (310) includes decreasing the rotation speed of the variable frequency motor (310) when it is detected that the high frequency component duty ratio of the vibration signal reaches a preset high frequency component threshold and the current value of the variable frequency motor (310) decreases.
8. The automated drug substance pulverizing and milling method of claim 5, further comprising suspending operation or reducing rotational speed of the variable frequency motor (310) when the readings of the bin wall temperature sensor (130) exceed a preset safety threshold.
9. The automated drug pulverizing and grinding method of claim 5, further comprising continuously comparing real-time motor current data and vibration signals with a preset normal operation model for diagnosing abnormal conditions of the device, and controlling the discharge valve (120) to perform opening and closing actions and to cooperate with the pulsed rotation of the variable frequency motor (310) to unblock the blockage when the discharge port is diagnosed as blocked.

Description

Automatic medicinal material smashing and grinding device and method thereof Technical Field The invention relates to the fields of automatic control and traditional Chinese medicine crushing and processing, in particular to an automatic medicinal material crushing and grinding device and method. Background When traditional medicinal material reducing mechanism is handling the medicinal material of different characteristics, there is efficiency and crushing quality problem that is difficult to balance to lack the perceptibility to equipment self state. This results in equipment that is difficult to adjust according to the actual characteristics of the medicinal materials, affecting the processing effect. In addition, the traditional device lacks real-time monitoring on the state of equipment in the operation process, and abnormal conditions such as blockage cannot be found and handled in time, so that the reliability and continuous operation of the equipment are affected. The above information disclosed in the above background section is only for enhancement of understanding of the background of the disclosure and therefore it may include information that does not form the prior art that is already known to those of ordinary skill in the art. Disclosure of Invention The invention aims to provide an automatic medicinal material crushing and grinding device and a method thereof, which are used for solving the problems in the background technology. The technical scheme of the invention is that the method comprises the following steps: the top of the crushing bin is provided with a feed inlet, and the bottom of the crushing bin is provided with a discharge valve; The driving and sensing base is positioned below the crushing bin; the damping structure is arranged between the crushing bin and the driving and sensing base; The grinding core is arranged in the grinding bin and comprises a grinding disc horizontally arranged at the bottom of the grinding bin and a grinding hammer hinged to the edge of the grinding disc through a pin shaft; The variable frequency motor is vertically arranged in the driving and sensing base, and an output shaft of the variable frequency motor vertically passes through the driving and sensing base upwards and is fixedly connected with the center of the grinding disc, so as to drive the grinding disc to rotate; The bin wall temperature sensor is attached to the outer wall of the crushing bin; and the vibration sensor is arranged on the shell of the driving and sensing base. Preferably, the damping structure is an elastic damping pad arranged between the crushing bin and the connecting flange of the driving and sensing base. Preferably, the discharge valve is a gate valve driven by a stepping motor through a screw nut mechanism. Preferably, the bin wall temperature sensor is a thermocouple, and the vibration sensor is a piezoelectric accelerometer. An automated medicinal material pulverizing and grinding method comprises the following steps: Collecting motor current time sequence data fed back by the variable frequency motor and vibration waveform data collected by the vibration sensor in an initial detection stage, determining the material characteristic type of the current medicinal material to be crushed based on the correlation characteristic of the motor current time sequence data and the vibration waveform data, and matching and executing a basic grinding strategy from a preset strategy library according to the material characteristic type; In the process of executing the basic grinding strategy, comparing an actual motor input power curve formed by motor current data fed back in real time with a standard motor input power curve corresponding to the material characteristic class which is called from the preset strategy library, and generating a grinding working condition matching degree; If the matching degree of the grinding working conditions is lower than a preset matching degree threshold, judging that characteristic drift occurs, and re-determining the material characteristic category based on the acquired data so as to switch to a new grinding strategy; and if the matching degree of the grinding working condition is not lower than the preset matching degree threshold, deducing the particle size state of the materials based on the frequency spectrum change of the vibration sensor signal, deducing the load capacity in the bin by combining the current value of the variable frequency motor, and dynamically regulating and controlling the operation parameters of the variable frequency motor. Preferably, the material property categories include a high toughness category, a hard brittle category, or a high oiliness category. Preferably, the step of dynamically regulating the operation parameters of the variable frequency motor comprises the step of reducing the rotating speed of the variable frequency motor when the high frequency component duty ratio of the vibration signal is detec