1960 results about "Cooling Units" patented technology

The invention relates to the technical field of injection molding, and discloses a plastic part injection mold regulation and control system and method based on a complex curved surface and a thin-wall structure, and the plastic part injection mold regulation and control system based on the complex curved surface and the thin-wall structure comprises a mold modeling module, a temperature modeling module, a control modeling module, a control optimization module and a control execution module; the plastic part injection mold regulation and control method based on the complex curved surface and the thin-wall structure comprises the steps that a mold three-dimensional model and thermal control area mapping are built, a heat conduction model is built, modal dimensionality reduction is conducted, a target temperature field and a performance function are combined, optimal temperature regulation and control are achieved through a predictive control algorithm, real-time feedback is matched, and a heating and cooling unit is driven. And dynamic closed-loop control of the mold thermal field is realized. According to the method, thermal control precision and energy consumption efficiency are optimized through Galerkin modal dimension reduction, model predictive control and a weighted performance function, global closed-loop temperature control is achieved by combining mapping of a three-dimensional area and a heating and cooling unit of the mold, and system safety and stability are enhanced.

The invention discloses an energy storage liquid cooling unit control strategy generation method and device based on working condition prediction, equipment and a storage medium, and relates to the technical field of power grids, and the method comprises the steps: building a prediction model based on working condition data of an energy storage system, determining initial prediction power and predicted battery electric quantity based on a preset coefficient and the working condition data, the prediction model is used for correcting the initial prediction power to obtain target prediction power, the predicted heating power of the battery cell is determined based on the equivalent internal resistance of the battery cell and the voltage of the battery cell, the operation parameters of the liquid cooling unit are fitted based on a preset calibration coefficient to obtain the expected refrigerating capacity, and the predicted temperature of the battery cell is determined; adjusting the initial strategy by using the liquid cooling unit control rule and based on the temperature deviation degree and the temperature change rate to obtain a target energy storage liquid cooling unit control strategy so as to control the energy storage liquid cooling unit; the temperature deviation degree and the temperature change rate are data determined based on the preset battery working temperature range and the battery cell predicted temperature, so that the efficiency of generating the energy storage liquid cooling unit control strategy is improved.

The invention belongs to the technical field of electrochemical energy storage, and provides an immersed energy storage system and a thermal management method thereof, the immersed energy storage system comprises a sealed cabin, a battery module, an immersion liquid, a liquid cooling unit, a cooling liquid, a liquid cooling pipeline, a temperature sensor, an electrical device and a thermal management controller; the non-conductive immersion liquid with the conductivity smaller than 10 <-6 > S / m and the flash point larger than 200 DEG C is adopted to completely wrap the battery module, it is ensured that the energy storage battery cells are located in the same temperature physical environment, the temperature consistency of the system is greatly improved, the problem of uneven heat dissipation is fundamentally solved, the service life of the energy storage cabinet is directly prolonged, the immersion liquid has the flame-retardant characteristic, and the service life of the energy storage cabinet is prolonged. Thermal runaway of a battery cell can be effectively restrained, fire and explosion risks are reduced from the source, system operation safety is guaranteed, meanwhile, the type selection standard of cooling liquid is defined, the design of a sealed cabin is optimized, the heat exchange efficiency is improved through a double-circulation branch of a liquid cooling unit, the key bottleneck of an immersed cooling technology in energy storage system integration is thoroughly solved, and the energy storage system integration efficiency is improved. And full landing of technical advantages is realized.

The invention relates to the technical field of die-casting dies, and discloses a partitioned differential temperature cooling die-casting die for a complex aluminum alloy shell, which comprises a die body, and a thick-wall region, a thick-wall transition region and a thin-wall region are arranged in the die body; the mold body is provided with independent cooling units corresponding to the thin-wall area, the thick-wall transition area and the thick-wall area respectively, and each cooling unit is communicated with a cooling liquid transmission pipe through a self-adaptive sealing anti-leakage structure; thin-wall area cooling pipes arranged in a Z shape are installed on the outer side of the thin-wall area in an attached mode, spiral thick-wall transition area cooling pipes are installed on the outer side of the thick-wall transition area in an attached mode, and thick-wall area cooling pipes with built-in spoilers are installed in the thick-wall area in an embedded mode. According to the partitioned differential temperature cooling die-casting die for the complex aluminum alloy shell, through the partitioned independent temperature control cooling unit, the self-adaptive sealing anti-leakage structure and surface strengthening treatment, accurate cooling of regions with different wall thicknesses is achieved, the product forming quality is improved, the die universality is enhanced, the service life of the die is prolonged, and the maintenance cost is reduced.

In the field of refrigeration unit technologies, an energy storage cabinet is provided that includes a liquid cooling unit. The energy storage cabinet is configured to accommodate the liquid cooling unit and at least one of a battery pack or a power converter. The energy storage cabinet includes a cabinet body and a cabinet door, the cabinet door being configured to close the cabinet body. The cabinet body is configured to secure at least one of the battery pack or the power converter, and the liquid cooling unit is secured to a side of the cabinet door that faces the battery pack or the power converter.

The invention relates to the technical field of rust-proof treatment of metal products, in particular to a rust-proof discoloration-proof packaging system and method for a bronze-plated tire bead wire. The system sequentially comprises a cleaning unit, a surface treatment unit, a drying box, a film coating device, a cooling unit, a post-treatment unit, a take-up device and a packaging system according to the process. The core of the process method is as follows: the steel wire is immediately coated with a special antirust film coating agent to be cured by using waste heat generated after the steel wire is dried, and the film coating agent comprises water-based resin, a silane coupling agent, a conductive polymer, a nano filler and benzotriazole; during packaging, an intelligent packaging system with a built-in humidity response humidity control bag is adopted, and the humidity control bag can automatically release inert gas and a moisture absorbent when the environment humidity reaches a preset threshold value. Multiple synergistic protection on the surface of the steel wire is achieved, the anti-rust period is remarkably prolonged to 12 months or above through dynamic humidity control, meanwhile, the bonding performance and the retention rate of the steel wire and rubber are improved, and energy conservation and environment protection are achieved.

The invention relates to the technical field of injection molding machine hydraulic control, in particular to an injection molding machine hydraulic pump control system and a control method thereof, and aims to solve the problems of high energy consumption, high cost or poor temperature control of a traditional hydraulic scheme. The system comprises a hydraulic oil tank, a driving unit and an oil way control module. The driving unit comprises a driving motor, and a fixed displacement pump and a plurality of swash plate type variable displacement piston pumps which are driven by the driving motor, and swash plates of the variable displacement pumps can be switched between negative and positive angles so as to adjust the displacement or actively suck oil; the oil way control module is provided with a flow collecting valve set capable of switching flow collecting / independent states of oil outlet ways of the constant displacement pump and the variable displacement pump, the integrated cooling unit forms an independent cooling filtering loop, the temperature and pressure adjusting assembly is combined with a temperature sensor to control temperature and adjust pressure, and the pressure limiting protection valve set is connected with the constant displacement pump and the variable displacement pump. And the pressure limiting protection valve is matched with a pressure sensor to realize overpressure protection. According to the invention, cost and energy saving are both considered, precise temperature control and pressure protection are realized, and system stability and plastic part forming precision are improved.

The invention relates to the technical field of temperature-rise-resistant electric energy metering box testing, in particular to a temperature-rise-resistant electric energy metering box and temperature rise testing equipment thereof, and the temperature-rise-resistant electric energy metering box comprises a box body, a heat dissipation module, a first sensing module and an automatic control module. Through real-time data feedback of the first temperature sensor and the first humidity sensor, the automatic control module can automatically trigger heat dissipation mode switching, and in a high-humidity environment, the first electric push rod drives the inverted-U-shaped cover plate to seal an outer air inlet and an outer heat dissipation opening to form a closed space; through cooperation with an inner circulation path of an air inducing flow channel, an inner air inducing opening, an air compression cooling unit, an air inducing barrel and an inner air outlet, external humid air can be isolated, the wiring terminal is prevented from being oxidized and corroded, and efficient cooling can be achieved through air compression cooling; in a low-humidity and high-temperature environment, the cover plate moves upwards to start external circulation, external air enters the box after dust is filtered out through the filter screen, and heat is taken away through rapid airflow circulation of the outer air inlet, the induced air flow channel and the outer heat dissipation opening.

The invention discloses an energy storage battery temperature control method and system based on a liquid cooling unit, and belongs to the technical field of energy storage batteries. The method comprises the following steps: step 102, after the energy storage battery is powered on, starting a self-circulation mode of the liquid cooling unit, and monitoring the highest temperature and the lowest temperature of the energy storage battery in real time; step 104, closing the self-circulation mode of the liquid cooling unit when the self-circulation mode of the liquid cooling unit starts the set average temperature time or the difference value between the highest temperature and the lowest temperature of the energy storage battery is smaller than the set average temperature difference value; 106, on the basis of the total alternating current active power of the energy storage battery, the working mode of the energy storage battery is obtained, and the working mode comprises an operation mode and a standby mode; and step 108, controlling the working mode of the liquid cooling unit based on the working mode of the energy storage battery and the highest temperature and the lowest temperature of the energy storage battery. The method is simpler in judgment condition and higher in universality.

The refrigerator includes: a main body; a storage chamber formed inside the main body; a door provided so that the storage compartment can be opened and closed; an evaporator that evaporates the refrigerant to generate cold air; an evaporator duct disposed at a rear side of the storage compartment to supply the cold air generated by the evaporator to the storage compartment; and a thermoelectric cooling device including a thermoelectric element having a heating unit and a cooling unit. The thermoelectric cooling device is configured to heat air from the outside of the main body by the heating unit and discharge the air heated by the heating unit to the outside of the main body, cool air from the storage compartment by the cooling unit, and supply the air cooled by the cooling unit to the storage compartment, and is disposed above the storage compartment.

The invention relates to the technical field of thermal management of energy storage batteries, in particular to a thermal management method of an energy storage battery and related equipment, and the method is based on a three-dimensional thermal field model of an energy storage battery module, the energy storage battery module is divided into a plurality of independent temperature control areas, and an independent cooling unit and a sensor array are configured for each area. Secondly, acquiring temperature gradient distribution, charging and discharging rate and environment temperature and humidity data of each temperature control area by using a sensor array; and then, inputting the data into a trained temperature trend prediction model to obtain a temperature prediction result of each temperature control area in the next time period. And finally, according to a temperature prediction result, modes of basic cooling, composite cooling, self-destruction cooling and the like are dynamically switched, so that the heat of the energy storage battery module is effectively controlled, and stable operation of the battery module is guaranteed.

The rapid cooling device comprises a cooling box body, air curtain isolation systems are arranged at the two ends of the cooling box body, and the interior of the cooling box body is sequentially divided into a pre-cooling area, a deep cooling area and a uniform temperature area in the material conveying direction; the pre-cooling area is provided with a first cooling unit, the first cooling unit comprises a compressed air source and a plurality of vortex tube coolers communicated with the compressed air source, and the output ends of the vortex tube coolers are provided with nozzles used for spraying cold air to materials; the deep cooling area is provided with a second cooling unit, the second cooling unit comprises a liquid nitrogen supply source and a plurality of atomizing nozzles communicated with the liquid nitrogen supply source, and the second cooling unit is used for spraying low-temperature atomizing media to materials. The efficient, uniform and stable cooling of the heat-conducting structural adhesive is realized, and the product performance and batch consistency are improved.

This application belongs to the technical field of air compressor safety, and particularly relates to a safety operation method for a piston air compressor. A safety operation method for a piston air compressor includes the following steps: S1, a flexible baffle is provided on an air-cooled plate cooler connected to the piston air compressor; S2, temperature data of each cooling unit at the current moment is obtained, and at the same time, the temperature change trend and the opening area change trend of the air outlet end of each cooling unit are obtained; S3, according to the pressure dew point temperature of the air outlet end of each cooling unit at the current moment, the opening area of each cooling unit at the current moment is adjusted to change the coverage degree of the flexible baffle on the air-cooled flow channels of each cooling unit at the next moment, so that the temperature of the air outlet end of each cooling unit is always above the corresponding pressure dew point temperature. This application can尽量避免活塞式空压机在运行的过程中发生冰堵或油乳化,保证活塞式空压机的安全运行。 It should be noted that there is an unclear part in the original Chinese text "尽量避免活塞式空压机在运行的过程中发生冰堵或油乳化,保证活塞式空压机的安全运行。" which may need to be further clarified for a more accurate translation. The above translation is based on the best understanding of the current text.

The invention discloses a heat dissipation system and method for a sealed motor, and belongs to the technical field of sealed motors and transmission devices. The system comprises a motor unit, a multistage gearbox unit, a liquid cooling unit, an air cooling unit, a plurality of groups of sensors and a controller. The liquid cooling unit is integrated in the motor outer cover, and the air cooling unit is installed on the motor radiating ribs. According to the method, the total heating power and the variable target temperature of the system are dynamically calculated by collecting the current, the temperature and the rotating speed of the motor and gear signals of the gear box in real time, the required heat dissipation power is calculated in real time through a nonlinear function based on the temperature difference, and then heat dissipation resources of the air cooling unit and the liquid cooling unit are cooperatively distributed with the optimal energy efficiency ratio. According to the invention, feedforward prediction temperature control of dynamic working conditions is realized, the problems of heat dissipation lag, low energy efficiency and overheating risk of the sealed motor under complex load and multi-gear operation are solved, and the reliability, adaptability and overall energy efficiency of the system are significantly improved.

The invention provides a water-air composite cooling device and a cooling method for a lithium battery pack, relates to the technical field of lithium battery thermal management, and solves the technical problems of low air cooling thermal conductivity, insufficient cooling capacity, high water cooling cost, complex structure and difficulty in adapting to different working conditions caused by limitation of a single cooling mode of an existing lithium battery. According to the technical scheme, an air cooling unit achieves basic heat dissipation through an air duct and a draught fan; the water cooling unit achieves efficient heat dissipation through a water channel, a water pump and a temperature control assembly, and the temperature of cooling liquid can be adjusted. The temperature monitoring control unit adopts a PT100 thermal resistor to collect temperature signals, and regulates and controls operation parameters of the air cooling unit and the water cooling unit through an intelligent switch; the intelligent optimization unit constructs a flow field and temperature field model based on computational fluid mechanics, optimizes structural parameters and the flow velocity of a cooling medium in combination with a neural network algorithm, and realizes self-adaptive adjustment of a cooling strategy; the heat dissipation efficiency and stability are improved, and the service life of the battery is prolonged.

The embodiment of the invention relates to the technical field of steam turbine cold end optimization, in particular to an air cooling unit spray cooling cooperative control method and device, equipment and a medium. And the spraying cooling amount needed for achieving the target back pressure is calculated based on a thermodynamic characteristic model, so that a feedforward spraying water amount control scheme is formulated, the predicted working condition and the spraying scheme are comprehensively considered, the rotating speed of the air cooling fan is optimized and set through a decision optimization model, and cooperative control over the fan and a spraying system is achieved. By means of the method, advanced and accurate control over the spraying water amount and the rotating speed of the draught fan is achieved. The collaborative optimization strategy ensures that the system can operate in an economic mode under different working conditions, that is to say, on the premise of meeting the backpressure constraint, the overall economic operation level of the system is remarkably improved while safe and efficient operation of a unit is ensured by weighing the fan power consumption cost and the spraying water consumption cost.

Systems and methods are provided for a high density liquid cooling unit to cool electrical components. A replaceable pump unit (RPU) can include a pump configured to provide fluid flow to cool the electrical components (e.g., via direct liquid cooling of the electrical components by the pumped fluid and air-to-liquid cooling of the pumped fluid via a heat exchanger in fluid communication with the RPU). The RPU can be configured to be operated with or satisfy one or more RPU performance characteristics.

The invention belongs to the field of direct air cooling unit backpressure optimization and control, particularly relates to a direct air cooling unit backpressure optimization and control method based on digital twinning, and aims to realize real-time optimization and accurate control of backpressure under variable working conditions. The method comprises the steps that operation parameters of the direct air cooling unit are collected in real time, and standardized operation data are obtained after data preprocessing; and constructing a digital twinborn model containing a dynoNet parameter identification model on the basis of a mechanism modeling and data-driven fusion mode. And simulating the back pressure of the unit by using the standardized operation data, and monitoring an error between a simulated back pressure value and an actually measured back pressure value. And when the error exceeds a set threshold value, an online parameter identification and model correction mechanism is triggered. And utilizing the corrected digital twinborn model to carry out optimization solution by taking comprehensive economic benefit maximization as a target, and determining an optimal backpressure set value under the current working condition. And the optimal backpressure set value is used as a tracking target of model prediction control, and a model prediction control algorithm is adopted to realize optimal adjustment of the backpressure.

The invention provides an injection mold temperature field regulation and control method and device based on multi-sensor fusion, and the method comprises the steps: recognizing a non-uniform region based on a surface radiation temperature distribution image, discrete point temperature data, an instantaneous heat flow direction and heat flow intensity information; based on each non-uniformity area and the heating and cooling unit adjacent to the non-uniformity area, constructing a space mapping relation, and based on the space mapping relation, the instantaneous heat flow direction and the heat flow intensity information, generating a heat flow path guide instruction; triggering a corresponding heating and cooling unit to execute alternate heating and cooling operation according to a preset phase difference based on the heat flow path guide instruction, so that the heat flow directionally migrates in the non-uniform region along a specified path; and monitoring that the temperature gradient change trend of each non-uniform area tends to be uniform based on a dynamic heat balance state formed by the heat flow after directional migration in the mold, and entering a steady-state maintenance mode. According to the invention, high-precision sensing and dynamic cooperative regulation and control of the global temperature field of the injection mold are realized.

The invention relates to the technical field of compressor temperature control, and discloses a compressor temperature control system capable of preventing generation of condensate water, which comprises a sensing module, an execution module and a controller. The sensing module is used for collecting air temperature, relative humidity, system working pressure and circulating oil temperature parameters of the compressor in real time. The controller is configured to calculate the current pressure dew point of the system based on the air temperature, the relative humidity and the working pressure of the system; the pressure dew point serves as a floating lower limit, a preset system optimal working temperature upper limit serves as a fixed upper limit, and a dynamic safe working interval is determined; finally, a cooling unit and a heating unit in the execution module are cooperatively controlled to work according to the relation between the circulating oil temperature and the dynamic safety working interval. By establishing the dynamic safety lower limit changing along with the working condition, the problem that the compressor is prone to generating condensate water under the high-humidity or low-load working condition to cause oil emulsification is effectively solved, and accurate and energy-saving temperature control is achieved.

To provide a vacuum cleaning apparatus capable of improving heat exchange efficiency between gas containing vapor of a cleaning liquid and the cleaning liquid.SOLUTION: A vacuum cleaning apparatus (1) includes a cleaning chamber (10) for cleaning a workpiece (2) with a cleaning liquid supplied from a cleaning liquid tank (20), a condenser (30) for condensing exhaust from the cleaning chamber, a vacuum pump (40) for compressing the exhaust from the condenser, and a rear stage cooling part (50). The vacuum washing apparatus further includes a feed path (R1) for feeding the cooled washing liquid to the latter-stage cooler, and a return path (R2) for feeding the waste liquid from the latter-stage cooler to the washing liquid tank. The rear-stage cooling part has a partition pipe (52) which is provided extending in the horizontal direction in a housing (51) and to which the cleaning liquid is supplied from the supply path, and an introduction pipe (53) which is provided along the partition pipe and introduces the exhaust of the vacuum pump into the partition pipe from a hole part (531) on the outer periphery. The rear-stage cooling unit discharges the cleaning liquid overflowing from the partition pipe into the housing.SELECTED DRAWING: Figure 1

The invention relates to the technical field of metal powder preparation, and discloses a high-zinc alloy powder preparation method and system.The method comprises the steps of raw material pretreatment and vacuum deep degassing, vacuum melting and active degassing, flow stabilization and diversion and gas-liquid synergistic atomization, solidification and collection under the protective atmosphere, and aftertreatment and packaging under the oxygen-free environment; the system is composed of a vacuum deep degassing unit, a vacuum melting and active degassing unit, a gas-liquid collaborative atomization unit, a powder collecting and cooling unit and an anaerobic operation and packaging unit. The high-quality zinc alloy powder which is low in oxygen content, high in sphericity degree and uniform in component can be stably prepared, and the method is suitable for being applied to the fields of additive manufacturing and thermal spraying.

The invention relates to the technical field of die manufacturing, in particular to an aluminum alloy hub extrusion casting combined die which comprises a lower die assembly, an upper die assembly is matched with the top of the lower die assembly, the top of the upper die assembly is connected with the lifting end of a press machine, and the bottom of the lower die assembly is fixedly arranged. Pouring exhaust units are symmetrically arranged at the tops of the left side and the right side of the lower mold assembly correspondingly and communicate with a hub cavity in the lower mold assembly, side mold opening mechanisms are installed on the left side and the right side of the lower mold assembly correspondingly, and the two side mold opening mechanisms are used for controlling lateral opening and closing of the hub cavity. The upper die assembly is used for controlling opening and closing of the top of the hub cavity. The production efficiency of the aluminum alloy hub is remarkably improved through gradient pulse pouring, on-demand graded cooling and cooperative work of the inner cooling unit and the bottom cooling unit.

The invention relates to the technical field of thermal power generation, in particular to a direct air cooling condenser fouling thermal resistance estimation method combined with a scaling mechanism, and aims to realize stable and accurate real-time estimation of the fouling thermal resistance of a condenser. The method includes the steps that operation parameters of the direct air cooling unit are collected and preprocessed to form a continuous time sequence; calculating multiple groups of cleaning total heat transfer coefficients based on the cleaning period operation parameters, training a machine learning model based on the cleaning total heat transfer coefficients, and establishing a cleaning heat transfer coefficient reference model; calculating an actual total heat transfer coefficient based on the current operation parameters, inputting the reference model to obtain a corresponding cleaning coefficient, and calculating initial fouling thermal resistance according to the cleaning coefficient; and establishing a discrete linear recursion physical filtering model based on a dirt deposition-denudation mechanism, identifying model parameters on line by taking the initial dirt thermal resistance as an observed quantity, performing physical constraint filtering on the model parameters, and outputting a final dirt thermal resistance online estimated value.

A cabinet for storing surgical instruments the cabinet including: a casing, wherein the casing encloses an interior space with at least one mounting device configured to hold a surgical instrument; a ventilation unit configured to supply drying gas to the interior space; and a cooling unit and a drying unit connected to the ventilation unit, wherein the drying unit is configured to reduce the humidity of the drying gas, and the cooling unit is configured to cool down the drying gas before it enters the interior space to a temperature below 15° C.

The utility model discloses a recovery system for capturing carbon dioxide. The recovery system comprises a carbon capturing unit, a cooling unit, a drying unit, a liquefying unit and a storage unit which are sequentially connected through pipelines, after the carbon capture unit captures carbon dioxide, the carbon dioxide is cooled by the cooling unit and dried by the drying unit, then enters the liquefaction unit to be compressed and liquefied to form liquid carbon dioxide, and then the liquid carbon dioxide is conveyed to the storage unit to be stored. According to the utility model, CO2 after carbon capture can be stored after being cooled, pressurized and liquefied. The system integrates unloading and reliquefaction functions, liquid CO2 in the storage tank can be lighted to a CO2 receiver, and gaseous CO2 in the storage tank is returned to the storage tank for storage after being cooled, pressurized and liquefied. And the system is provided with a plurality of instruments and meters, so that the whole system is more automatic and safer to operate.

The utility model discloses a device for acquiring alloy gas-liquid phase equilibrium data under negative pressure. The device comprises a gas-liquid phase circulating unit, a negative pressure acquisition and control unit, a heat source acquisition and control unit, a circulating water acquisition and control unit and a product cooling unit, the device has the characteristics of simple structure, convenience in operation and capability of accurately measuring gas-liquid phase equilibrium data in a negative pressure state, a circulating water cooling device is only arranged in the gas-liquid phase circulating reaction tank, so that a sealing gasket is protected from being damaged, the air tightness of equipment is ensured, and the liquid phase reactor and the upper and lower ends of a condensation collection cover are surrounded by a heat insulation layer, so that the gas-liquid phase equilibrium data can be accurately measured. The problem that gas-phase substances are directly solidified at the bottom of the gas-phase condensation collecting cover in a solid state and cannot form circulating balance between gas and liquid phases is fundamentally solved, and the normalization of gas-phase and liquid-phase total substance components is achieved on the basis of the gas-phase and liquid-phase balance principle.

The invention relates to the technical field of dendrobium huoshanense processing equipment, in particular to a dendrobium huoshanense low-temperature wall-breaking grinding device which comprises a shell; the crushing and grinding unit is connected with the shell; collecting subrack boxes; the cooling unit is connected with the shell; wherein the smashing and grinding unit comprises a smashing and screening assembly, a material guiding assembly, a transmission control assembly and a grinding assembly, the smashing and screening assembly is fixedly connected with the shell wall of the top end of the shell, the grinding assembly is arranged between the smashing and screening assembly and the inserted collection insertion box, and the grinding assembly is slidably connected with the shell. A material guiding assembly is arranged between the grinding assembly and the smashing and screening assembly, the material guiding assembly is in sliding connection with the inner wall of the shell and connected with a transmission control assembly arranged on the shell, and the transmission control assembly is connected with the smashing and screening assembly. And the grinding efficiency and quality are greatly improved.