39results about How to "Efficient absorption" patented technology

The invention relates to the technical field of spray drying sampling devices, and discloses a device and method for sampling in a spray drying process tower, the device comprises a main body, the outer wall of a drying mechanism is fixedly connected with a support frame I, the bottom of the main body is fixedly connected with a discharge pipe, and the outer wall of the main body is fixedly connected with six clamping blocks. The six clamping blocks are distributed in a circumferential array mode in pairs. An arc-shaped sliding block can drive a push plate to rotate through a cylinder in the transverse moving process, a pull plate is pushed through a round rod to move downwards, the pull plate can drive a connecting plate to move downwards when moving downwards, and the connecting plate can drive a pressing plate to move downwards when moving downwards; the cleaning roller is pushed by the pressing rod to clean the sampling box, so that the situation that in the spray drying process, materials adhere to the sampling box, consequently, a round hole in the top of the sampling box is blocked, and the sampling accuracy is affected is avoided.

The utility model provides a transmission shell clamping device which comprises a base and a clamping mechanism used for clamping the two sides of the outer wall of a transmission shell, the clamping mechanism comprises a pair of clamping arms arranged at the front end of the base and a driving mechanism arranged on the base and used for driving the pair of clamping arms to be opened and closed left and right, and an ejection mechanism is arranged between the pair of clamping arms. The ejection mechanism comprises a fixing frame fixedly arranged at the front end of the base, a push cylinder with the output end forwards arranged on the fixing frame, a vertical plate fixedly arranged at the output end of the push cylinder and at least two ejection blocks vertically arranged at the front end of the vertical plate at intervals, and profiling blocks matched with the rear end of the outer wall of the transmission shell in shape are fixedly arranged at the front ends of the ejection blocks. The front ends of the clamping arms are fixedly provided with bolts used for being inserted into auxiliary holes in the two sides of the outer wall of the transmission shell. The clamping device can stably clamp the transmission shell with the outer wall in an irregular shape.

The invention belongs to the technical field of dredging equipment, and relates to a robot and a working method.The robot comprises a carrier, a pump system, a stranding cage mechanism and a self-adaptive drilling and loosening assembly, the pump system, the stranding cage mechanism and the self-adaptive drilling and loosening assembly are installed on the carrier and matched with one another, and the self-adaptive drilling and loosening assembly is used for conducting all-dimensional crushing on sludge in front of and at the bottom of the robot; the pump system is used for sucking sludge, and the self-adaptive drilling and loosening assembly comprises a crushing drilling mechanism, a power mechanism for providing rotating power for the crushing drilling mechanism through a power conversion mechanism and an angle adjusting mechanism for driving the crushing drilling mechanism to achieve vertical angle adjustment. All-dimensional self-adaptive crushing is conducted on sludge in front of and below the robot, applicability and flexibility are improved, the multiple crushing drill mechanisms are driven by the power conversion mechanism to work synchronously, the operation range is expanded, and a drill bit or a cavitation jet nozzle can be selected for a carrier of each crushing drill mechanism according to operation requirements; and different types of sludge can be efficiently crushed and cleaned, and the device is suitable for various complex dredging environments.

The present invention discloses a decentralized dust removal device for concrete processing, including a filter assembly, a dust collecting structure is arranged on the outside of the filter assembly, the dust collecting structure can collect the airflow outside the filter assembly and transport it to the inside of the filter assembly for filtering, a transmission structure is arranged inside the filter assembly, the transmission structure can drive the dust collecting structure to rotate, and improve the collection range, and a linkage structure is arranged on the surface of the filter assembly. The present invention collects external dust through the dust collecting structure and injects it into the filter assembly for filtering, which can greatly reduce the amount of dust diffusion and improve the cleanliness of the working environment. At the same time, the dust collecting structure driven by the transmission structure can greatly expand the collection range, so that it can guide the airflow during the rotation process, so that the surrounding airflow forms a vortex shape to avoid airflow diffusion, and at the same time, the linkage structure can drive the dust collecting structure to operate during the rotation process, saving the user the operation steps of setting up additional driving equipment.

The utility model belongs to the technical field of fertilizer separation, and particularly relates to a separation device for recycling production waste, which comprises a cabinet body and a feeding bin, universal wheels are fixedly connected around the bottom of the cabinet body, the bottom of the feeding bin is fixedly connected to the middle of the upper surface of the cabinet body, and a through hole is arranged at the joint of the bottom of the feeding bin and the cabinet body. A cabinet door is hinged to the front face of the cabinet body through a hinge, a grinding roller is arranged in the middle of the feeding bin, and a screening mechanism is arranged in the cabinet body. The screening mechanism comprises a sorting unit and a cleaning unit; and the sorting unit comprises a buffer plate, a discharging opening, an air cylinder, a push plate and a screening device, and the two ends of the buffer plate are fixedly connected with the inner wall of the cabinet body. According to the separation device for recycling the production waste, by arranging the screening device, the waste can be subjected to multi-stage screening, and due to the fact that a screening plate can move up and down by a certain amplitude under supporting of springs, the screening effect is more efficient, and the waste of different sizes can be better separated.

The invention discloses a manufacturing method of a sunshade net, raw materials are made into a plastic film through heating equipment, the plastic film is conveyed through a conveying assembly, a positioning mechanism and dust collection equipment are matched to conduct dust collection treatment on the plastic film, and finally drying treatment is conducted through a drying assembly. The quality and the performance of the product are ensured, and the implementation of the steps has obvious effects on the aspects of improving the sunshade effect, the durability, the anti-aging performance and the like of the sunshade net.

The utility model provides a dust collection tool for a slip ring chamber of a generator set, which comprises a negative-pressure fan, a negative-pressure pipe, a brush plate, two connecting frames and a fixing plate, the negative-pressure fan is connected with the negative-pressure pipe through the connecting pipes, air inlets are symmetrically arranged on two sides of the end portion of the negative-pressure pipe, and the brush plate is connected with the two connecting frames through the fixing plate. A boss with a triangular cross section is fixedly connected to the top end of the interior of the negative pressure pipe, connecting holes corresponding to the air inlets are formed in the middles of the brush plates, first bristles are fixedly connected to the peripheries of the connecting holes, elastic pieces for opening the brush plates are arranged between the brush plates, and one ends of the connecting frames are fixed to the two sides of the two brush plates respectively. The middle of the connecting frame is hinged to the negative pressure pipe, arc-shaped grooves are formed in the adjacent side faces of the connecting frame, the fixing plate is fixed to the negative pressure pipe, a sliding groove is formed in the fixing plate, and a push column is slidably connected into the sliding groove. And the two brush plates are kept in a moderate opening state through the elastic pieces in a working state, so that the brush plates are in full contact with the surface of the slip ring, and the flexibility and pertinence of cleaning operation are improved.

The smoke dust recovery device comprises a machining table, a screw rod is rotatably installed on the bottom wall of the machining table through a movable frame, a motor connected with the screw rod is fixedly installed on the outer wall of the movable frame, a movable block is rotatably installed on the outer wall of the screw rod through threads, a limiting rod is fixedly installed in the movable frame, and a dust collection device is installed on the limiting rod. And the limiting rod slidably penetrates through a moving block, a mixed flow fan pump is fixedly installed on the outer wall of the moving block through a supporting plate, and an extension pipe is slidably installed on the outer wall of an inlet pipe of the mixed flow fan pump in a sealed mode. By arranging the screw rod, the moving block, the supporting plate and other assemblies, the motor drives the screw rod to rotate, the moving block can stably move in the axial direction of the screw rod under the dual action of thread transmission and the limiting rod, and then the supporting plate, the mixed flow fan pump, the extending pipe and the dust suction hood are driven to transversely adjust the positions; by means of the design, the dust collection cover can easily cover different welding stations, and the dust collection efficiency is greatly improved.

The utility model provides a peripheral transmission mud scraping and sucking machine, which relates to the technical field of mud sucking and comprises an end beam driving mechanism, a working bridge is arranged at the top of the end beam driving mechanism, a slag scraping device is arranged at the bottom of the working bridge, a skimming device is connected to the side surface of the slag scraping device, and a mud sucking system is arranged at the bottom of the skimming device. And a plurality of sludge quantity regulating valves are distributed on the side surface of the sludge suction system. According to the utility model, scum, floating objects and the like on the surface of the sedimentation tank are scraped and collected through the scum scraping device, so as to prevent the scum, floating objects and the like from generating adverse effects on the subsequent treatment process, keep the water surface of the sedimentation tank relatively clean and tidy, and improve the overall appearance and environment of treatment facilities; the timely cleaning of the scum helps to improve the efficiency and quality of sewage or wastewater treatment and ensure the normal proceeding of the treatment process, and the skimming device provides separation and removes solid impurities or precipitates in the liquid, thereby being beneficial to realizing slag-liquid separation, improving the efficiency in the use process and reducing the conditions of abrasion and blockage.

The utility model provides a spider hand finished product plate collecting machine double-position suction cup which comprises a double-position suction cup body, the double-position suction cup body comprises a suction cup connecting plate, an independent small suction cup, a suction cup fixing plate, an air pipe connector, a telescopic air cylinder and a suction plate body, and a spider hand connecting flange face is arranged in the middle of the suction cup connecting plate. And the double-position suction cup body is mounted on a spider hand of the plate collecting machine through the spider hand connecting flange surface at the top of the double-position suction cup body. The double-position suction cup adopts a double-position design and can realize high-efficiency suction. When one station sucks the plates through stretching and retracting of the air cylinder, the other station is not affected, and the two stations can be freely switched to suck the large plates and the small plates. The air blower is adopted to be matched with the small matrix type combined suction cups through negative pressure so that products with holes can be sucked, the suction stability can be improved, the reverse blowing function is achieved in the suction cup body, the vacuum breaking speed can be effectively increased through the structure when the products are sucked, placed and stacked, then the equipment running time is shortened, and the machining efficiency is further improved.

The present invention provides a hydrogen recovery, purification and recycling device, which belongs to the technical field of hydrogen recovery, and includes a purification and recycling mechanism, an anti-leakage detection frame and a gas leakage detection mechanism; the purification and recycling mechanism includes a plurality of purification tanks arranged side by side and a pipeline connecting the purification tanks; the anti-leakage detection frame includes two upper and lower connecting rods I; the two connecting rods I are parallel to the plurality of purification tanks arranged side by side, and the opposite surfaces of the two connecting rods I are provided with slide grooves; the gas leakage detection mechanism includes a gas detector mounting plate, a pulley and a gas detector; the upper end surface and the lower end surface of the gas detector mounting plate are rotatably mounted with pulleys, and the pulleys on the upper end surface and the lower end surface are respectively rotatably matched with the slide grooves of the two connecting rods I; the gas detector is mounted on the gas detector mounting plate, and is used to detect whether there is gas leakage in the purification tank and / or the pipeline. The device can detect the purification tank and the pipeline connecting the purification tank, so as to find gas leakage in time.

The utility model discloses a storage battery pressing plate machining punching machine with a scrap removing structure, and relates to the technical field of machining punching machines. Comprising a machining platform, the machining platform is provided with a stamping mechanism used for machining the storage battery pressing plate, the stamping mechanism comprises a cleaning assembly, the cleaning assembly comprises a vertical plate fixed to the upper end face of the machining platform, and a pair of second connecting rods are fixed to the inner wall of the vertical plate; according to the dust collection device, the first electric push rod drives the dust collection shell to rotate, the position of the dust collection shell can be flexibly adjusted, the dust collection shell is made to be closer to chippings on a machining platform, and the dust collection device is more convenient to use. The chip removal device can effectively remove chips on the machining platform and control the angle of the dust collection shell, can better align to a chip area, is matched with negative pressure generated by the dust collection pump, achieves efficient suction of the chips on the machining platform, and is higher in chip removal efficiency compared with a traditional chip removal mode.

The utility model provides a plug forming machine which comprises an injection molding machine main body, an operation table is arranged at the bottom of the injection molding machine main body, a fixed mold is arranged on the operation table, a slidable insertion plate is arranged on the fixed mold, a slidable inclined sliding block is arranged in the insertion plate, and a plurality of ejection blocks are arranged at one end of the inclined sliding block. An inclined abutting block capable of sliding is arranged on the inserting plate; according to the plug forming machine provided by the utility model, by starting the telescopic cylinder, the plug plate can be jacked up from the fixed mold, and then the plug plate is jacked up continuously, so that the fixed column is propped against the baffle plate and is pressed by the baffle plate, the inclined propping block is driven to slide downwards, the inclined slide block is pressed, and the inclined slide block drives the jacking block to move forwards; therefore, automatic demolding is realized, and the quality of a produced product is improved.

The utility model discloses a full-automatic box nailing machine convenient for waste cleaning, which comprises a box nailing machine head, a lower nailing head is arranged in the lower box wall of the box nailing machine head, a material cleaning mechanism comprises an F-shaped connecting plate, a U-shaped suction box, a bent suction pipe, an insertion pipe, a quick connector, a single-opening cylinder and an auxiliary suction pipe, the F-shaped connecting plate is locked on the surface of a vertical box body of the lower nailing head through a bolt, and the U-shaped suction box is arranged on the lower box wall of the lower nailing head. The material cleaning mechanism is arranged at the lower nailing head below the nailing machine head of the full-automatic nailing machine, after a U-shaped box of the material cleaning mechanism is installed at the lower nailing head, waste on the surface of a carton is sucked in multiple directions through a bent suction pipe and an auxiliary suction pipe at the position of a U-shaped suction box, and when the carton is conveyed to pass through the lower portion of the U-shaped suction box, the bent suction pipe and the auxiliary suction pipe can suck the waste in a scattered mode; the suction range of waste is effectively expanded, waste generated on the surface of a carton below the carton nailing head can be more comprehensively sucked away, it is ensured that the waste is effectively collected by dust suction equipment, and the waste cleaning effect is improved.

The invention relates to an LNG (liquefied natural gas) cold energy recovery device, which efficiently recovers the cold energy of LNG by utilizing the energy storage and cold power generation technology and combining with a gas turbine exhaust cold-returning liquefaction process, realizes the cold power generation of low-grade cold energy, can absorb photovoltaic power and wind power or be used for valley shifting and peak filling of an electric power system, has combined cooling and power supply capacity, and has obvious expected social and economic benefits.

The utility model discloses a telescopic adjustable flower stand, which comprises a support frame, a square slot and a support plate, the square slot is arranged on the inner side of the support frame, the support plate is movably arranged on the inner wall of the square slot, a telescopic groove is arranged in the support plate, two sides of the inner wall of the telescopic groove are movably connected with adjusting supports, and the adjusting supports are movably connected with the square slot. Movable plates are fixedly mounted on the two sides of the top of the supporting plate correspondingly, and a driving assembly is fixedly connected to the bottom of the supporting plate. Through the arrangement of the telescopic groove, the adjusting support and the driving assembly, the driving assembly can effectively drive the adjusting support on the inner wall of the telescopic groove to move, the adjusting support stretches towards the two sides, the supporting area of the supporting plate can be increased, and the problems that the flower stand is not provided with a telescopic adjusting structure, and when a flowerpot is placed and supported through the supporting plate, the supporting plate cannot support the flowerpot are solved. The problems that in the prior art, the supporting area of a flower stand cannot be adjusted, the flower stand cannot support flowerpots of different sizes, and therefore certain limitation exists are solved.

The present invention belongs to the technical field of dredging equipment, and relates to a robot and a working method, including a carrier and a pump system, a cage mechanism and an adaptive drilling and loosening assembly installed on the carrier, wherein the adaptive drilling and loosening assembly is used to omnidirectionally crush the silt in front of and at the bottom of the robot, the cage mechanism is used to stir the silt, the pump system is used to absorb the silt, and the adaptive drilling and loosening assembly includes a crushing drill mechanism, a power mechanism that provides rotational power to the crushing drill mechanism through a power conversion mechanism, and an angle adjustment mechanism that drives the crushing drill mechanism to adjust the upper and lower angles. The silt in front of and below the robot is omnidirectionally and adaptively crushed, which improves the applicability and flexibility. The power conversion mechanism drives multiple sets of crushing drill mechanisms to work synchronously, expanding the operating range. The carrier of the crushing drill mechanism can select a drill bit or a cavitation jet nozzle according to the operating needs, and efficiently crushes and cleans different types of silt, which is suitable for a variety of complex dredging environments.

This utility model discloses a surface treatment device for lithium battery copper foil, including a working frame with symmetrically fixed partitions inside. The inner cavity between the two partitions is a water washing cavity. A copper powder cleaning mechanism, symmetrically installed on the right side of the right partition, is mounted in the inner cavity to collect and clean copper powder adhering to the upper and lower surfaces of the copper foil. A roller assembly is rotatably mounted in the water washing cavity to assist the copper foil in entering the washing cavity for washing. A liquid scraping mechanism is installed in the washing cavity to scrape off the washing liquid adhering to the upper and lower surfaces of the copper foil. This utility model can effectively remove most of the residual washing liquid from the surface of the copper foil after washing.

The utility model discloses a tabletting and coating device which comprises a main body, a motor, a liquid medicine spraying part, an air heater, a coating pan and a shaping air pipe, the upper end of the shaping air pipe is communicated with the end part of an air outlet pipe of the hot-air blower, and the lower end is communicated with a hot-air cover; the air outlet end face of the hot air cover is parallel to the opening end face of the coating pan; a plurality of through holes are formed in the wall of the coating pan; and a controller on the main body is electrically connected with the motor and the air heater respectively. The utility model has the advantages that the end part of the air outlet pipe of the air heater is communicated with the shaping air pipe and the hot air cover, and the end face of the air outlet of the hot air cover is parallel to the end face of the opening of the coating pan, so that hot air uniformly covers the inner cavity of the coating pan, and tablets are ensured to be uniformly contacted with the hot air in the coating process. A plurality of through holes are formed in the pot wall of the coating pot, so that impurities such as redundant water vapor are taken away in the hot air exhausting process, and the surface of a tablet is uniformly coated.

The invention relates to the technical field of metal processing, in particular to a metal cutting chip removing device which comprises a rack, a multi-axis mechanical arm arranged on the rack and a chip removing assembly arranged at the tail end of the multi-axis mechanical arm. The chip removal assembly comprises a mounting frame, two sliding seats, a chip suction assembly and a horizontal driving mechanism; the mounting frame is mounted at the tail end of the multi-axis manipulator; the two sliding seats are slidably mounted in the mounting cavities respectively; the scrap suction assembly comprises two air exhaust branch pipes and a plurality of suction hoods. The horizontal driving mechanism is used for driving the two sliding seats to move in the directions close to each other or away from each other so as to drive the two air exhaust branch pipes to move in the directions close to each other or away from each other. Through the optimized chip suction assembly and the horizontal driving mechanism, rapid and accurate chip removal is achieved, the device can adapt to workpieces of different shapes and sizes through the design of the multi-axis mechanical arm and the sliding base, and it is guaranteed that shutdown caused by chip management is not needed in the machining process through the two independent chip suction channels.

The utility model discloses wood processing cutting equipment with a dust removal function, and relates to the technical field of wood processing. The dust collection device comprises a plurality of supporting legs and a bottom plate fixedly connected to the tops of the supporting legs, an adjusting mechanism and a dust collection mechanism are arranged on the supporting legs, the adjusting mechanism comprises a plurality of supporting columns fixedly connected to the top of the bottom plate, and the tops of the supporting columns are fixedly connected with a top plate. According to the wood cutting device, the adjusting mechanism is arranged, after adjustment is completed, a manual rotating disc can be manually rotated, the rotating disc drives a threaded rod to rotate, and when the threaded rod rotates, a first sliding block can be driven to be matched with a connecting rod and a second fixing block which rotate with the first sliding block, so that a movable plate on the second fixing block can move upwards, and a rotating sawtooth disc is driven to cut wood; through the arrangement, the multi-angle cutting requirement can be met, the burden of workers is relieved, the working efficiency is improved, and meanwhile the cost is reduced.

According to the hydrogen energy power generation system, gaseous air generated by gasification of liquid air serves as an oxidizing agent of a fuel cell, hydrogen serves as fuel of the fuel cell, cold energy of the liquid gas is used for cold power generation, the hydrogen energy power generation system can be used as an energy storage type hydrogen energy power plant and can also serve as driving energy of a carrier, and the expected social and economic benefits are obvious.

The utility model belongs to the technical field of rolling oil filtering, and relates to a rolling oil filtering device which comprises a through hole shaft rotatably mounted on a filter cartridge, an oil inlet pipe communicated with one end of the through hole shaft through a rotary joint, the through hole shaft connected with a first motor through a bevel gear transmission part, and a first filtering system connected with the other end of the through hole shaft. A first filtering system and a second filtering system are sequentially installed in an inner cavity of the filtering cylinder from top to bottom, an oil return pipeline is arranged on the filtering cylinder, the oil inlet end of the oil return pipeline is communicated with the filtering cylinder, and the oil outlet end of the oil return pipeline is located between the first filtering system and the second filtering system. According to the utility model, primary filtration is carried out through the first filtration system, impurities with larger particle sizes are intercepted and then enter the second filtration system to be deeply purified, so that finer impurities are further removed, and the rolling oil is circularly filtered through the oil return pipeline, so that the filtration frequency of the rolling oil is increased, the rolling oil participates in the filtration process again, and the filtration sufficiency is improved; and the filtering quality is further ensured.

The present invention relates to a device and method for automatically conveying, stacking, threading and knotting a tag, the device comprising a tag conveying device, a tag translation device and a tag threading and knotting device; the tag conveying device comprises a trough assembly and a pick-and-place mechanism; the tag translation device comprises a first supporting mechanism, a second supporting mechanism, a clamping mechanism, a moving mechanism and a thimble positioning mechanism; the tag threading and knotting device is arranged at the end of a channel, and is used for threading and knotting the tag translated by the tag translation device. The device and method can realize automated tag conveying, threading and knotting operations, and improve production efficiency.

The invention discloses a full-closed dedusting and cleaning integrated sweeper based on high-pressure spraying, and relates to the technical field of sweepers, the sweeper comprises a sweeper, a camera module and a processor module, the camera module is embedded in the middle of the front of the sweeper, and the camera module is used for collecting data of a road surface when the sweeper advances. The road sweeper integrates multiple functions of sweeping, environment monitoring, water resource regulation and control, high-pressure spraying and negative-pressure dust collection, can comprehensively meet cleaning requirements in different scenes, collects road surface data in real time through the camera module, analyzes and processes the road surface data through the processor module, can accurately recognize the distribution condition of road surface garbage and dust, and improves the road surface cleaning efficiency. Therefore, a first servo motor in the sweeping assembly is guided to drive a driving gear to rotate, then two driven gears are driven to rotate, the position of a cleaning brush is adjusted, then the height of the cleaning brush can be adjusted through a first electric telescopic cylinder, adjustment of different road surfaces can be adapted, and the cleaning efficiency is improved.

The utility model relates to the technical field of maternal and infant products, in particular to a maternal and infant milk collector. A milk collector for mothers and infants comprises a milk bottle, the milk bottle comprises a bottle body, a connecting end and a nipple, the nipple is arranged at the top of the bottle body, and the connecting end is arranged on one side of the bottle body and protrudes outwards; the sleeve is screwed on the connecting end of the bottle body through threads; and the shielding cover is fixed outside one end of the sleeve and is used for shielding breasts of a human body when the emulsion is collected. The milk collector has the advantages that the milk collector integrates the milk collecting function and the milk feeding function, milk is collected through the milk sucking paste firstly, then a baby can be directly fed through the nipple, it is guaranteed that the milk in the milk collector cannot be transferred and stored, and the milk collector is more sanitary and convenient to store.

The utility model relates to the technical field of medical instruments, in particular to a medical urinary disease preoperative skin preparation device which comprises an electric hair cutter body and a cutter head of the electric hair cutter body, a working wheel is arranged on the front side of the cutter head of the electric hair cutter body, a working pad is arranged on the rear side of the cutter head, the working wheel comprises a rotating shaft and a connecting rod, one end of the connecting rod is rotatably connected with the rotating shaft, and the other end of the connecting rod is connected with the electric hair cutter body. The other end is fixedly connected with the electric hair cutter main body; the electric hair cutter body is provided with a connecting plate, and the connecting plate is detachably connected with the working pad. A liquid storage cavity, a liquid outlet and a plurality of groups of working teeth are arranged in the working wheel structure, so that shaving and disinfection can be carried out at the same time, and integrated operation is realized. In the shaving process, the working teeth tidy hair, so that cutting is more uniform and thorough. Medical staff are helped to remove body hair and disinfect, and the skin preparation effect is guaranteed.

The utility model discloses a dust removal device for battery production, which comprises a dust removal device, a blower device and a battery transportation table, the dust removal device comprises a frame, a battery jar, a fan slot, a second air duct, an air tooth slot, a first air tunnel and a second air tunnel, and the blower device comprises a machine frame, a motor, a blowing fan, a first air duct, a positive pole piece and a negative pole piece. The device is provided with two negative plates and one positive plate, floating dust can be effectively sucked under the electromagnetic action, the situation that the floating dust is re-attached to a battery pole piece due to return air disturbance is avoided, in addition, the device is provided with double fans, and double special air ducts are arranged corresponding to the fans, so that the air velocity can be effectively increased, and the service life of the device is prolonged. The adsorption effect of airflow on dust on the surface of the battery pole piece is greatly enhanced, and the dust removal effect is enhanced.