29results about How to "With self-cleaning function" patented technology

The utility model discloses a double-screw kneading machine for producing polyformaldehyde, which comprises a barrel body, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod and a screw rod, wherein the barrel body extends along the horizontal direction; a feeding hole is formed above one end of the barrel body, and a plurality of vacuumizing holes are formed in the top; the end covers respectively cover two ports of the cylinder body; each screw rotor comprises a rotor shaft, each rotor shaft is sequentially provided with a spiral rolling propelling section impeller, a crushing propelling section impeller, a complete crushing section impeller and a reverse-rotation crushing discharging section impeller from the feeding end to the discharging end, the phase difference of the impellers on the two rotor shafts is 90 degrees, the impellers are matched with each other, and the impellers are matched with the inner wall of the cavity of the barrel; the shaft ends of the two rotor shafts penetrate out of center holes of the end covers respectively, and rotor shaft center cooling hole channels are formed in the shaft ends of the two rotor shafts respectively along the axes. And the heating jacket covers the periphery of the cylinder body and is arranged in sections, and each section is provided with a heating medium inlet and a heating medium outlet. The equipment is high in devolatilization efficiency, low in energy consumption and capable of continuously running for a long time, and the obtained polyformaldehyde product is good in quality.

This utility model relates to the field of oven equipment technology, specifically an infrared oven with a self-cleaning function. It includes an infrared oven body, with several supporting columns evenly fixedly installed at the bottom of the oven body. A load-bearing base plate is fixedly installed at the bottom of each supporting column. An adjustable cleaning mechanism is provided on one side of the top of the infrared oven body. This self-cleaning infrared oven, through the adjustable cleaning mechanism, uses a micro-motor to drive a transmission screw to rotate, causing a sliding nut block to move up and down along a limiting groove. This, in turn, drives the supporting limiting connecting rod, L-shaped bracket, vacuum head, and cleaning brush to achieve height adjustment. This design effectively solves the problem of inconvenient height adjustment of cleaning components in existing technologies. It can precisely adjust the contact height and force between the cleaning brush and the surface to be cleaned (such as a conveyor belt) according to different cleaning needs, improving the cleaning effect and enhancing the flexibility of cleaning use.

This invention relates to the field of wastewater treatment technology, and in particular to a microfiltration wastewater treatment device for industrial wastewater turbidity removal. The device includes a treatment cylinder and an L-shaped wastewater pipe installed at the top of the treatment cylinder. A swinging filter assembly is installed at the top inner part of the treatment cylinder. The swinging filter assembly shakes and filters the wastewater. The swinging filter cartridge within the swinging filter assembly swings and moves the filtered impurities. During the swinging process, the swinging filter assembly throws out the wastewater while simultaneously causing the filtered impurities to flow. This invention achieves dynamic separation through swinging filtration, combined with real-time self-cleaning via rotating scraping. The filter cartridge is automatically cleaned by a torsional brush assembly. A fixed filter cartridge with a blocking filter assembly effectively blocks filtration and also possesses a self-cleaning function. This allows for the simultaneous and continuous execution of filtration and cleaning processes, significantly improving wastewater turbidity removal efficiency and the stability and durability of the equipment operation.

The application discloses a photovoltaic power generation system and relates to the photovoltaic power generation field.The device comprises a plurality of photovoltaic component module units and a plurality of fixed counterweight blocks; wherein the photovoltaic component module unit comprises a wedge-shaped groove and a connecting frame.The photovoltaic component is fixed to the notch position at the bottom of the wedge-shaped groove, the photovoltaic component module units are fixedly connected through the connecting frames, the photovoltaic component arrangement is formed, a fixed counterweight block is arranged between two adjacent photovoltaic component module units, and the photovoltaic component arrangement is pressed above the lower platform through the fixed counterweight block.The structure of the device simplifies the photovoltaic system component, reduces the installation workload, and improves the power generation efficiency.

The utility model discloses a teleprompter with a self-cleaning function, which comprises a teleprompter shell and a ventilation slot, the ventilation slot is arranged at the bottom end of the teleprompter shell, the left side wall of the teleprompter shell is obliquely arranged, a teleprompter display screen is mounted on the oblique wall, the bottom end of the oblique wall is fixedly connected with a motor seat, and the motor seat is fixedly connected with a motor. And a servo motor is mounted at the bottom end of the motor base. According to the teleprompter with the self-cleaning function, the scraping rod, the timer, the disinfectant box, the servo motor and the driving shaft are arranged, the cleaning frequency is automatically calculated through the timer, a disinfectant is pumped out through a suction pump at set intervals, then the disinfectant is sprayed to a teleprompter display screen through an atomization spray head, due to the fact that the teleprompter display screen is obliquely arranged, the disinfectant can automatically flow downwards, and the cleaning efficiency is greatly improved. At the moment, the servo motor is automatically started, the driving shaft is driven to rotate by 90 degrees, the scraping rod is driven to turn by 90 degrees to be horizontal, the word-prompting display screen is wiped back and forth to remove dust, particles, stage sundries and the like on the surface, the self-cleaning function is achieved, and the problem that manual cleaning is needed is solved.

The utility model relates to the technical field of filter cleaning, and discloses a filter with a self-cleaning function, which comprises a shell, a sealing cover is arranged on the top surface of the shell, a cleaning component is fixedly connected to the top surface of the sealing cover, two groups of clamping components are arranged in the shell, a filter layer is arranged in the shell, and the cleaning component is fixedly connected to the top surface of the sealing cover. The cleaning assembly comprises a servo motor fixedly connected to the top face of the sealing cover, and one end of the servo motor is fixedly connected with a rotating rod. According to the filter with the self-cleaning function, through the arrangement of the cleaning assembly, when the filter is used, a servo motor is started, the servo motor rotates to drive a rotating rod to rotate, the rotating rod rotates to drive a telescopic rod to rotate, the telescopic rod rotates to drive a brush rod to rotate, and the brush rod rotates to clean the inner wall of a filtering layer; therefore, the device can regularly clean the filter screen, remove impurities, maintain the permeability of the filter screen, and ensure the stable filtering efficiency and performance of the filter.

The cotton conveying curtain tension adjusting device with the self-cleaning function comprises a vertical base and fixing frames, the fixing frames are fixed to one side of the vertical base, and a cleaning base is fixed between the fixing frames. The motor and the water pump are started, the motor drives the rotating shaft and the cleaning brush roller to rotate so as to clean cotton fibers on the surface of the cotton conveying curtain rotating to the lower portion, meanwhile, the water pump pumps out water flow in the water tank and conveys the water flow to the spraying pipe and the spraying head, and at the moment, the cleaned cotton fibers adhere to sprayed water drops so as to improve the gravity of the cotton fibers. When the cotton fibers are recycled, the electric push rod is started to drive the pressing plate to descend and extrude the cotton fibers on the separating net, at the moment, the adhesion of the cotton fibers is improved due to the fact that water drops are attached to the cotton fibers, a certain shaping effect is achieved in the extrusion process, and the convenience and smoothness of follow-up recycling and arranging operation are improved. And the cotton fiber flying phenomenon is reduced.

The application discloses a dust removal equipment and method for cat litter production workshop, and relates to the technical field of dust removal equipment. The equipment comprises a cylinder, a conical cylinder fixedly connected to the bottom, a ventilation pipe communicated with a bag-type dust collector at the top, and a turbine driven by inlet airflow. Dust-containing air enters the cylinder tangentially to form a spiral airflow. Large-particle dust is centrifugally separated in the conical cylinder and discharged from a dust outlet. The airflow then rises and passes through a filter plate in the ventilation pipe for secondary dust removal. Meanwhile, the turbine drives an arc-shaped scraper to automatically clean the dust accumulated on the filter plate, and the dust is sent back to the pre-dust removal area through a dust collection channel and a dust discharge baffle for recycling treatment. Finally, the clean airflow enters the bag-type dust collector to complete three-stage filtration. The turbine drives the scraper on the movable plate to automatically clean the bag through a transmission shaft and a speed reducer. The method realizes multi-stage efficient dust removal and equipment self-cleaning, improves dust removal efficiency, and avoids secondary pollution.

The present invention discloses a bottom-attached tunnel dredging equipment and a dredging method based on the pulse jet ground-breaking effect, comprising a tracked traveling module, a connecting frame, a dredging module and a conveying pipeline, wherein the connecting frame is fixed on the front side of the tracked traveling module, and the conveying pipeline comprises a negative pressure water pipe and a high pressure water pipe; the jet module comprises a signal processing system, a high-precision sensor, a high-pressure water pump, a pulse controller and a steering gear; the suction module comprises a sludge inlet box, a connecting rod structure, a brush and a spiral centrifugal pump; the present invention can provide an efficient, energy-saving and stable operation mode in the tunnel dredging process through innovative pulse jet technology, a self-circulating system and a terrain adaptive design, and has high environmental adaptability, and is suitable for tunnel dredging operations in various complex terrains.

This utility model discloses a ceramic bathroom kit with a self-cleaning function, including a washbasin. A rinsing shell is provided on the upper side of the washbasin, and several rinsing ports are opened at the bottom of the rinsing shell. A water pipe is installed on the washbasin, and the rinsing shell is connected to the water pipe. This utility model, through the cooperation of the washbasin, rinsing shell, rinsing ports, water pipe, bent pipe, side pipe, adjusting shell, partition plate, water outlet, sealing plate, sealing block, vertical rod, fixed cylinder, moving ring, driving rod, stabilizing rod, spring, and sealing ring, enables the ceramic washbasin to have a self-cleaning function during use. After washing, the user can manually operate the adjusting shell to allow water to flow through, thus cleaning the inside of the washbasin. It is practical and convenient.

This utility model discloses a multifunctional sampler for geological exploration, relating to the field of samplers. It includes a base tube, a foot pedal fixedly fitted at the lower part of the base tube, and a soil-sampling drill bit fixedly installed at the lower end of the base tube. A conical spring is fitted onto both the base tube and the soil-sampling drill bit, and is also fixedly installed at the lower end of the foot pedal. A cleaning component is fixedly installed at the lower end of the conical spring and is movably fitted onto the soil-sampling drill bit. By fitting the conical spring onto the base tube and the soil-sampling drill bit, the sampler possesses a self-cleaning function. When the sampler completes sampling and is extracted from the ground, the conical spring can use its elasticity to drive the cleaning component to move adaptively along the outer wall of the soil-sampling drill bit. The cleaning rubber conical tube can first preliminarily scrape away a large amount of soil adhering to the outer wall of the soil-sampling drill bit, and then the annular cleaning cotton ring can perform a secondary wiping of the remaining fine soil particles, achieving comprehensive cleaning of the outer wall of the soil-sampling drill bit.

This invention relates to the field of microbial culture technology, and more specifically, to a microbial fermentation culture tank for planting culture media. The tank includes a tank body, a motor fixedly mounted on the top of the tank cover, a stirring shaft fixedly connected to the bottom of the motor drive shaft, and a stirring paddle fixedly mounted on the outer side of the middle section of the stirring shaft. The invention is characterized by: a defoaming component positioned between the outer top of the stirring shaft and the inner wall of the tank; a scraper ring component positioned at the top of the defoaming component; and a homogenizing component positioned between the bottom of the defoaming component and the bottom of the stirring shaft. This invention uses a rotating stirring shaft to drive the defoaming paddle and collision blocks to rotate, causing the collision plates to collide with the collision blocks. This, in turn, causes the scraper ring to rotate and slide, scraping away the fermentation liquid on the inner wall. Simultaneously, the bottom stirring teeth can perform horizontal rotational stirring and linear reciprocating stirring perpendicular to the stirring shaft, resulting in a more uniform mixing density of the fermentation liquid at the bottom.

The invention relates to the technical field of double-medium tubular heat exchangers, in particular to an energy-saving heat exchanger of a coating machine drying oven. Comprising a frame defined by a left plate, an upper plate, a right plate and a lower plate. A snakelike heat exchange pipe is arranged on the inner side of the frame body; the outer wall of the heat exchange tube is sleeved with fins for heat exchange; two partition plates are fixedly connected between the upper plate and the lower plate; the inner side of the frame body is divided into a middle heat exchange cavity, a left collecting cavity and a right collecting cavity by the two partition plates; front and rear openings of the collecting cavity are fixedly connected with baffle plates; the top and the bottom between the two partition plates are fixedly connected with a rib frame; in the process that high-temperature waste gas penetrates through the heat exchange cavity of the heat exchanger, the driving motor is matched with the gear ring to drive the fins on the heat exchange pipe to rotate, so that the high-temperature waste gas can be in unobstructed contact with the fins at all positions in the process that the high-temperature waste gas penetrates through the heat exchanger from back to front, and then the heat exchange effect of the heat exchanger is improved; and the heat exchanger also has a self-cleaning function.

The invention discloses an improved membrane electrode and a preparation and application method thereof. The improved membrane electrode comprises polyvinyl alcohol-activated carbon as a basic electrode, and a bimetallic doped carbon-based catalyst and a porous carbon-based catalyst which are respectively positioned on two sides of the basic electrode and are used as an anode and a cathode. Activated carbon is used as a catalytic membrane electrode base material, polyvinyl alcohol is used as a binder to prepare PVA-AC, a catalyst is loaded to the PVA-AC based on bimetallic blending, high-temperature pyrolysis and electrostatic spinning to prepare an electro-catalytic anode with excellent oxidation-reduction performance, and an electro-catalytic cathode is prepared based on high-temperature pyrolysis and electrostatic spinning. And an aeration device is further introduced to construct the CDI system.

This invention provides a grouped self-cleaning aeration and fluidization system, relating to the field of wastewater treatment aeration technology. It includes: a dissolved oxygen sensor, an intelligent control box, a blower, and grouped aeration modules. The intelligent control box includes a power distribution module, a control and protection module, a PLC control module, a cloud-based IoT gateway module, and a data acquisition module. The grouped aeration modules include multiple aeration units; each aeration unit includes multiple independent microporous hoses, hose fixing brackets, and butterfly valves. The dissolved oxygen sensor is connected to the PLC control module. The PLC control module, blower, and grouped aeration modules are connected sequentially. The PLC control module is connected to the butterfly valves. The PLC control module controls the opening and closing of the butterfly valves, performing self-cleaning and starting / stopping the grouped aeration modules. This invention can form directional water flow, achieving full-pool aeration and fluidization, preventing sludge accumulation at the bottom of the pool, and improving sludge suspension and oxygen transfer efficiency.

This utility model discloses a wastewater treatment device for aquaculture, including a box and several filter components. The top of the box is open, and each filter component is set above the box inlet by a bracket. The several filter components are arranged alternately and obliquely from top to bottom to form a multi-stage filtration. The wastewater inlet pipe is located above the uppermost filter component. In use, the wastewater inlet pipe guides the wastewater containing sludge and weeds into the uppermost filter component. The wastewater treated by this filter component enters the next filter component for further filtration, until it is filtered by the lowermost filter component before entering the box.

The invention discloses an ocean drifting buoy with a water depth observation function, and relates to the field of ocean monitoring equipment. The invention discloses an ocean drifting buoy with a water depth observation function. Comprising a floating body, a mounting groove formed in the upper surface of the top of the floating body, a cover plate cooperatively mounted on the surface of the mounting groove, a convex column fixedly connected to the upper surface of the top of the floating body, a mounting frame fixedly connected to the end, away from the cover plate, of the convex column, and solar panels fixedly connected to the surface of the mounting frame and annularly and uniformly distributed; a first rotating ring is rotationally connected to the edge of the surface of the floating body; foreign matter scraping treatment is carried out on the part, making contact with seawater, of the surface of the floating body while surface cleaning is carried out on the solar panel, it can be guaranteed that the ocean drifting buoy operates stably in water, the self-cleaning function is achieved, it is avoided that marine organisms are attached to deviate from a preset track, and therefore the accuracy of observation data is guaranteed.

The invention discloses a thermal management system with a condenser self-cleaning function and a self-cleaning method thereof, and relates to the technical field of thermal management systems and control methods thereof. When the refrigerant circulation path of the refrigeration module is switched to the second refrigerant circulation loop and the liquid cooling medium circulation path of the liquid cooling module is switched to the second liquid cooling medium circulation loop, the surface of the condenser can be frosted; the refrigerant circulation path of the refrigeration module is switched into the first refrigerant circulation loop, the liquid cooling medium circulation path of the liquid cooling module is switched into the first liquid cooling medium circulation loop and the second liquid cooling medium circulation loop which are communicated with each other in a parallel connection mode, and frost on the surface of the condenser can be melted. The invention mainly solves the problem of how to provide a heat management system with a condenser self-cleaning function. Self-cleaning of the condenser can be achieved, so that the filth blockage fault of the condenser is prevented and eliminated, and normal operation of a heat management system and an energy storage system is guaranteed.

The utility model discloses a self-cleaning air pressure dust removal filter element structure, relates to the technical field of air pressure dust removal filter elements, and aims to solve the problems that an existing dust removal filter element needs to be replaced after being used for a period of time or dust desorption operation is carried out through reverse pulse type blowing, self-cleaning operation is inconvenient, and practicability needs to be improved. According to the technical scheme, the device is characterized by comprising a first connecting base, a second connecting base is installed at one end of the first connecting base, a third connecting base is fixedly installed at one end of the second connecting base, a supporting cylinder is in threaded connection with one end of the third connecting base, and a mounting base is fixedly installed on the end face of the supporting cylinder; a vibrator is fixedly mounted on the inner side of the mounting seat, one end of the first connecting seat and one end of the second connecting seat are fixedly connected with spherical connecting structures, and the two spherical connecting structures are rotationally connected. And the effects of quick and convenient self-cleaning operation, high desorption efficiency and high practicability are achieved.

This invention provides a docking device and method for actively capturing floating pipes on the water surface, belonging to the field of nuclear power plant cold source interception net waste cleaning technology. The docking device and method for actively capturing floating pipes on the water surface includes a hull and a floating body unit, both of which float on the water surface. A docking male is provided at the bow of the hull. It also includes: a multi-degree-of-freedom moving unit installed at the bow of the hull; and a docking unit installed on the multi-degree-of-freedom moving unit for grasping the floating body unit, achieving active capture and precise docking of the floating pipe. Through the multi-degree-of-freedom moving unit, the conical docking structure, and sensor positioning, it automatically compensates for bilateral dynamic disturbances caused by waves and water flow, completing docking without manual assistance, significantly improving docking efficiency and accuracy, avoiding interface collision damage and leakage, and eliminating the safety risk of falling into the water during manual operation. It can still operate stably in complex sea conditions.

The utility model relates to wall -hanging stove technical field, and disclose a kind of wall -hanging stove with self-cleaning function, it is characterized by: including wall -hanging stove body;The wall -hanging stove body is provided with cleaning assembly, the cleaning assembly includes: fixed plate, symmetrically set in the wall -hanging stove body both sides;Collecting box, fixedly connected to the fixed plate outer side wall of two;Water tank, fixedly connected to the collecting box outer side wall, and symmetrically provided with two;The utility model has the advantages of without manual cleaning, when the wall -hanging stove body needs to be cleaned, operator opens two water pumps, so that two water pumps respectively pump out the water in its side water tank, then send into two sides water spray pipe, water is sprayed out through water spray pipe, the surface of wall -hanging stove body is cleaned, dirty water after cleaning is collected in collecting box, after use, operator discharges dirty water through blow-off pipe, without manual cleaning, solve the problem of manual cleaning device.

The utility model discloses a drainage structure which comprises a flue gas channel in a boiler, a drainage structure body is arranged in the channel, the section of the drainage structure body is in a water drop shape with a large head and a small tail, and the two ends of the drainage structure body are connected to the left side and the right side of the channel. The drainage structure body comprises a head structure, a tail structure, a front drainage face and a rear drainage face, the head structure and the tail structure are in smooth transition connection through the front drainage face and the rear drainage face, and a drainage structure center line used for reflecting the size of the drainage structure body is arranged in the drainage structure body. Both the front drainage surface and the rear drainage surface are smooth transition planes or arc surfaces, when a working medium flows through the drainage structure body, a directional drainage effect can be generated, perturbing and flowing resistance of the working medium can be reduced, meanwhile, the smooth transition planes or arc surfaces are not prone to dust accumulation, and under the condition of a certain working medium flow speed, the working medium is not prone to dust accumulation. The self-cleaning function is realized.

The invention relates to a spectrum shift radiation refrigeration photosynthetic active film as well as a preparation method and application thereof, and belongs to the technical field of agricultural films. In order to solve the problem of heat accumulation in an existing greenhouse, the invention provides a spectrum shift radiation refrigeration photosynthetic active film which sequentially comprises a surface radiation refrigeration layer, a middle spectrum shift layer, a middle ultraviolet / near-infrared isolation layer and a substrate protection layer from top to bottom. On the basis of the selective absorption characteristic of plants to light, a technical route of combining a Stokes photon conversion effect and atmospheric window radiation refrigeration is adopted, 500-600 nm wave band light is converted into 600-700 nm wave band light, meanwhile, 400-480 nm photosynthetic active light and 600-700 nm photosynthetic active light selectively penetrate through the light, and ultraviolet light and near-infrared light are blocked. The film has the characteristic of high emissivity of an atmosphere window of 8-13 microns, can realize passive radiation refrigeration, effectively reduces the temperature of a greenhouse, and has wide market prospects and social and economic benefits.

This invention discloses an ultra-high reflectivity, high weather resistance, and frost-resistant sandwich reflector for concentrating solar collectors. An anti-frost and snow-resistant superhydrophobic coating is located on the upper surface of ultra-clear semi-tempered float glass. A first anti-reflection layer is located on the lower surface of the ultra-clear semi-tempered float glass. A reflective layer is located on the lower surface of the first anti-reflection layer, an anti-reflective layer is located on the lower surface of the reflective layer, a metal-doped absorbing layer is located on the lower surface of the anti-reflective layer, and a second anti-reflection layer is located on the lower surface of the metal-doped absorbing layer. A fully tempered float glass support is bonded to the second anti-reflection layer on the lower surface of the ultra-clear semi-tempered float glass using a vacuum lamination process, forming a sandwich concentrating reflector. The edges of the sandwich concentrating reflector are sealed with an edge sealant. This invention not only ensures a reflectivity of 95.5-97% but also exhibits strong weather resistance, significantly reducing the defrosting time in winter, daily cleaning time and frequency, and slowing down the decay of reflectivity, thus extending its service life.

The present invention relates to the technical field of geothermal energy extraction equipment, and its purpose is to provide a geothermal energy heat extraction well. This geothermal energy heat extraction well can realize impurity cleaning, avoid internal blockage, and ensure the normal operation of the heat extraction well. The above-mentioned geothermal energy heat extraction well includes: a well body, a heat exchanger, a pipeline assembly and a descaling assembly. The heat exchanger is arranged in the well body, one end of which is located in the cavity of the well body, and the other end extends out of the well body; the pipeline assembly is arranged in the well body, including an inlet pipe and an outlet pipe, the inlet pipe extends into the cavity to supply cold water to the cavity, and the outlet pipe extends into the cavity to discharge hot water; the descaling assembly includes a rotating mechanism and a scraper mechanism, the rotating mechanism is arranged in the well body, and a plurality of scraper mechanisms are arranged on the rotating mechanism, and the rotating mechanism is used to drive the scraper mechanism to rotate to scrape off the dirt on the wall of the cavity. The present invention solves the problem that the geothermal energy heat extraction well in the prior art cannot clean the accumulated impurities, resulting in internal blockage, which affects the normal operation of the heat extraction well.

The utility model relates to a gas blowing dust removal device and a dust removal system thereof, the gas blowing dust removal device is provided with a blowing body for blowing gas flow, the blowing body is provided with a blowing surface, the gas flow is continuously sprayed onto the blowing surface and flows on the blowing surface, and the water flow is continuously sprayed onto the blowing surface and flows on the blowing surface; and when the airflow and the water flow are converged together, dust particles in the gas are captured into the water flow, so that the gas dust removal effect is realized. Compared with the prior art, the gas blowing dust removal device and the dust removal system thereof have the advantages that when airflow flows along the blowing surface in an attached manner, the edge and the center of the airflow can be in full contact with a water film (or water mist), so that dust particles are ensured to be adsorbed and taken away by water flow, and the dust removal effect is further improved; the existing technical problems can be effectively solved.

The multifunctional crushing device comprises a cover plate, a motor and a grinding wheel, the motor is fixedly installed on the rear surface of the cover plate, an adjusting frame is fixedly installed on the upper surface of the front end of the cover plate, a sleeve frame is fixedly installed on the lower surface of the motor, a transmission shaft is fixedly installed at the output end of the motor, and the grinding wheel is fixedly installed on the transmission shaft. A grinding wheel is fixedly installed on the front end face of the transmission shaft, and a brush plate is movably installed on the lower surface of the adjusting frame. According to the multifunctional crushing device for the ore mill, the crushing device can have a self-cleaning function, the rotating rod can be controlled to rotate by rotating the knob of the adjusting frame, the rotating rotating rod controls the two brush blocks to be close to each other until the brush blocks are in contact with the grinding wheel, and therefore in the rotating working process of the grinding wheel, the grinding wheel is driven to rotate, and the grinding wheel is driven to rotate. The brush block and the brush plate can continuously clean powdered scraps on the surface of the grinding wheel, and when the grinding wheel needs to be overhauled, no powdered scraps fall off from the grinding wheel in the overturning process of the grinding wheel.

The utility model provides a dustproof automatic packing machine which comprises a packing conveyor. The cover base is located above the packaging conveyor, linear modules are connected to the two sides of the cover base, and the bottoms of the linear modules are fixedly connected with a rack of the packaging conveyor; the flat plate is fixedly mounted on the right side of the cover seat, and an edge folding mechanism is arranged on the right side of the flat plate; the sealing mechanism is mounted in the right side of the cover seat; the sealing mechanism is provided with a downward pressing assembly, and a side pressing assembly is arranged on the side, away from the flat plate, of the sealing mechanism. And the brushing and sweeping mechanism is arranged on the right side of the sealing mechanism, and the brushing and sweeping mechanism is connected with a shaking part. And the carton is cleaned before the adhesive tape is pasted, and the adhesive tape is compacted for many times after being pasted, so that the pasting effect is guaranteed.