220results about How to "Improve dust collection efficiency" patented technology

The invention relates to the technical field of shearing devices for unmanned aerial vehicle production, in particular to a cutting device and method for unmanned aerial vehicle production. The device comprises a workbench, a cutting disc cutting device body is arranged on the workbench, and a cutting disc is arranged below the cutting disc cutting device body and used for cutting an unmanned aerial vehicle; a water adding device is arranged on the cutting disc cutting device body, a mounting cylinder is further arranged on the workbench and close to the cutting disc, the two sides in the mounting cylinder communicate with a dust suction pipe and an air blowing pipe correspondingly, a second negative pressure fan is arranged at the position, located at the communicating position of the dust suction pipe, in the mounting cylinder, and a water adding pipe communicates with the position, located above the second negative pressure fan, of the mounting cylinder. The water adding pipe is communicated with the water adding device, the second negative pressure fan is used for scattering water sprayed into the mounting cylinder by the water adding pipe, positive pressure generated by the dust suction pipe blows the water to the back of the rotating direction during cutting of the cutting disc, and the temperature of the cutting disc and the cutting position is rapidly reduced through cooperation of the water adding device, the air blowing nozzle and the dust suction cover.

The invention relates to the technical field of gear box production and machining, and discloses shaft hole inner wall grinding equipment for gear box production and machining, which comprises a machining table, and the top of the machining table is fixedly connected with a reinforcing bracket; one side of the polishing device is fixedly connected with the top of the machining table through a support; the bottom of the suction device is fixedly connected with the top of the processing table; the number of the reinforcing supports is two, and the two reinforcing supports are evenly distributed on the top of the machining table. The polishing device comprises a first rotating roller, the outer side of the first rotating roller is in transmission connection with a second rotating roller through a first belt, and the outer side of the second rotating roller is in transmission connection with a rotating column through a second belt. According to the shaft hole inner wall grinding equipment for gear box production and machining, the distances between the multiple sets of grinding assemblies can be adjusted so that the equipment can adapt to different types of multi-stage gear boxes, and multiple sets of shaft holes with different distances can be synchronously ground.

The invention relates to a cleaning system, the cleaning system comprises a cleaning device and a base station, the cleaning device comprises a dust box, a first dust collection unit communicating with the dust box and a battery electrically connected with the first dust collection unit, and the first dust collection unit is used for absorbing garbage outside the cleaning device into the dust box; the base station comprises a dust collection cavity and a second dust collection unit communicated with the dust collection cavity; the cleaning equipment further comprises a controller, and when the current voltage of the battery is smaller than or equal to a first voltage threshold value, the controller controls the cleaning equipment to return to the base station; the cleaning system has a dust collection mode, and when the cleaning system is in the dust collection mode, the second dust collection unit is started to absorb garbage in the dust box into the dust collection cavity. While the dust collection efficiency is improved, the base station can be equipped with the fan with smaller power, and meanwhile, the fan noise during working is also reduced.

The invention discloses a compressor air cylinder base grinding device, and relates to the technical field of air cylinder machining and grinding, the compressor air cylinder base grinding device comprises a machining base and further comprises a clamping device, a machining frame is fixedly installed at the bottom of the machining base, a servo motor is fixedly installed on the front side of the machining frame, and a lead screw is fixedly installed at the output end of the servo motor; a moving block is slidably installed on the inner wall of the machining frame and is in threaded connection with the lead screw, the clamping device comprises an electric push rod, a stabilizing plate, a detection rod, a detection plate, an elastic telescopic block, a shielding plate, a button and a limiting hole, the shielding plate moves to break away from contact with the button and release shielding of the button, the clamping force of the stabilizing plate is controlled through limiting, and the clamping force is adjusted to be larger than the clamping force of the limiting hole. Therefore, clamping pressure is uniform and moderate, deformation of the workpiece can be avoided, button shielding can be relieved only after the workpiece is clamped stably, and accidental starting of grinding equipment caused by manual mistaken touch can be reduced.

The invention belongs to the technical field of gravel processing, and discloses a crushing device for gravel screening. Comprising a shell and a base sieve plate, the base sieve plate is fixedly connected to the bottom end of the shell, a hammer head is arranged in the shell, a first transmission rod is fixedly connected to the interior of the hammer head, the two ends of the first transmission rod penetrate through the two sides of the shell, and a motor is installed at the top end of the base sieve plate. According to the device, through the structural design of the transmission mechanism, the reciprocating mechanism and the reciprocating compound pipe, the motor drives the hammer head to rotate through the belt wheel and the belt to achieve effective crushing of gravel, the transmission mechanism drives the reciprocating mechanism, the reciprocating compound pipe transversely moves, the gravel is evenly conveyed to the hammer heads at different positions, serious local damage to the hammer heads is effectively avoided, and the service life of the hammer heads is prolonged. The service life of the device is remarkably prolonged, the crushing efficiency of the device is remarkably improved, through the design, it is guaranteed that gravel makes full contact with the hammer head, and the more uniform and efficient crushing effect is achieved.

The invention relates to the technical field of grain crushing, in particular to a feed processing crusher which comprises a crushing box and a support for supporting the crushing box, rotor hammers for crushing are arranged in the crushing box, and the feed processing crusher further comprises a dust extraction shell arranged on one side of the crushing box and used for removing dust, one side of the dust suction shell communicates with a through pipe communicating with the interior of the crushing box, a plurality of blades for air suction are arranged in the dust suction shell, and a driving assembly for driving the rotor hammer pieces and the blades to rotate is arranged at the top of the support; and the material ejecting piece is arranged in the crushing box and used for supporting materials, a transmission assembly for driving the material ejecting piece to move is arranged in the crushing box, and a material pushing assembly matched with the transmission assembly is arranged in the crushing box. And through the arrangement of the dust suction shell and the blades in the dust suction shell, a through pipe, a middle through pipe and a plurality of auxiliary dust suction pipes diverging along the center, the dust suction efficiency is greatly improved, and it is ensured that dust generated in the crushing process of materials needed by livestock raising can be sucked away.

The utility model relates to the field of knitted fabric dust removal, in particular to a knitted fabric dust removal device which comprises dust removal equipment, an installation frame is arranged in the middle of the dust removal equipment, connecting frames are arranged on the two sides of the installation frame, and a dust sticking roller is installed in the dust removal equipment between the connecting frames through a connecting plate. A hydraulic cylinder is arranged at the top of the mounting frame, a telescopic rod is arranged at the bottom of the hydraulic cylinder, dust collection equipment is arranged at the tail end of the telescopic rod, a connecting block is arranged in the bottom of the dust collection equipment, and a rubber sleeve is arranged at the top of the connecting block. According to the dust collection device, the dust sticking roller and the auxiliary roller are arranged between the connecting frames, the knitted fabric can be subjected to dust collection through the dust collection paste on the dust sticking roller when penetrating through the space between the dust sticking roller and the auxiliary roller, and the telescopic rod can be driven by the hydraulic cylinder so that the dust collection device can ascend and descend; and dust on the dust sticking roller can be quickly absorbed, and the dust absorption efficiency of the dust absorption equipment on the knitted fabric is improved.

The utility model provides a columnar small dust collector convenient for dumping dust, which comprises a barrel and a dust cup component, the small dust collector is cylindrical, the dust cup component is mounted at the upper end of the barrel and matched with the outer contour of the barrel, and the dust cup component comprises a cylindrical transparent dust cup. A cylindrical dust cup cover is pivoted to an opening in the upper end of the transparent dust cup in a turnover mode, a switch button capable of controlling the dust cup cover to be opened is arranged on the dust cup assembly, the dust cup cover is opened through turnover of the switch button during dust discharging, and dust in the transparent dust cup is dumped; the barrel is hollow in the axial direction to form an air duct, an air outlet communicated with the air duct is formed in the bottom of the barrel, and a dust suction opening is coaxially formed in the dust cup cover; during dust collection, external air sequentially passes through the dust collection opening, the transparent dust cup and the air duct and then is exhausted from the air outlet; the whole dust cup is in a columnar design, the structure is light and handy, carrying is convenient, the dust cup assembly and the dust cup cover are connected in a turnover mode, and the barrel body and the dust cup assembly can also be independently and detachably connected.

The invention belongs to the technical field of flue gas purification, and particularly relates to an eddy current polar plate electric precipitator equipped with a pre-charging device and a working method thereof.The electric precipitator comprises an air inlet pipe, a shell and an air outlet pipe and further comprises the pre-charging device, an eddy current type dust collection polar plate and an ultrasonic coagulation layer, and the eddy current type dust collection polar plate is arranged in a dust collection chamber of the shell. The pre-charging device is close to the air inlet pipe, a first flow equalizing plate layer is arranged at the front end of the pre-charging device, a second flow equalizing plate layer is arranged at the rear end of the pre-charging device, and the pre-charging device comprises a plurality of sets of hanging mechanisms, cathode wires, vibrators and a pre-charging support. The plurality of vortex type dust collection polar plates are arranged in a staggered manner in the airflow direction, the discharge electrodes are arranged in front of and on the side surfaces of the vortex type dust collection polar plates, and a detachable filter screen is arranged between the ultrasonic coagulation layer and the air outlet pipe. Pre-charged dust enters the vortex polar plate dust collection area through the flow equalizing plate and is subjected to ultrasonic coagulation, the dust collection efficiency is greatly improved, and ultra-clean emission can be achieved.

The utility model relates to the technical field of aluminum foil slitting equipment, in particular to a dust collection device for aluminum foil slitting. According to the aluminum foil dust collection device, scraps generated on the two sides of the splitting machine can be cleaned during splitting, the two dust collection plates can collect dust while swinging, dust on aluminum foil paper can be brushed away before splitting, and the dust collection efficiency of aluminum foil is improved. The device comprises a bottom frame, a splitting machine, a hollow plate and the like, a splitting machine is arranged on one side of the upper portion of the underframe. A hollow plate is arranged on the upper portion of the splitting machine. Aluminum-foil paper is manually placed on the bottom frame, the dividing and cutting machine, the dust collector and the motor are started, the two dust collection plates can collect dust while swinging in a reciprocating mode, the brush plate can brush away dust, in this way, waste scraps generated on the two sides of the dividing and cutting machine can be cleaned during dividing and cutting, the two dust collection plates can collect dust while swinging, the dust collection range is larger, and the dividing and cutting efficiency is improved. And meanwhile, dust on the aluminum foil paper can be brushed away before slitting, so that the dust collection efficiency of the aluminum foil is higher.

The utility model provides a laser three-dimensional cutting head, which relates to the technical field of laser cutting and comprises a cutting head body, two groups of mounting plates are fixedly mounted on two sides of the outer wall of the cutting head body through screws, an extension frame is welded on one side of the outer wall of each of the two groups of mounting plates, and an electric telescopic rod is fixedly inserted into the top of the extension frame. A lifting block is fixedly installed at the output end of the electric telescopic rod, a rotating block is movably inserted into the inner surface wall of the lifting block, a suction head moves to the position close to a spray head of the cutting head body, then a dust suction device is started, generated dust can be adsorbed, and dust accumulation is further prevented. The electric telescopic rod is directly used for moving the lifting block into the extension frame, and then it can be guaranteed that the lifting block cannot affect work of the cutting head body, so that the effect that the cutting head body can work normally can be guaranteed while dust prevention is achieved.

The invention provides a cleaning device and a dust collection method, and relates to the technical field of cleaning. The cleaning device comprises a dust suction assembly, a dust collection assembly and a first suction power source. The dust collection assembly comprises a dust cup, the dust cup comprises a cup body and a cover body movably connected to the cup body, and a first dust collection cavity is defined by the cup body and the cover body; the dust collection assembly comprises a second dust collection cavity; the first suction power source is arranged on the dust suction assembly or the dust collection assembly and used for forming negative pressure in the second dust collection cavity, and the cover body is configured to be opened relative to the cup body under triggering of the negative pressure so that the first dust collection cavity can communicate with the second dust collection cavity; the cleaning device has a dust collection stage, and in the dust collection stage, the dust cup is in butt joint with the second dust collection cavity. Air in the second dust collection cavity is pumped out through the first suction power source, negative pressure is formed in the second dust collection cavity, the cover body is opened under the action of the air pressure in the first dust collection cavity, and air flow can drive dust in the first dust collection cavity to completely enter the second dust collection cavity, so that the dust collection efficiency is improved.

The utility model discloses a dust treatment device for nonferrous metal alloy manufacturing, which comprises a dust removal box, a dust collection box and an atomization box, the inner end of the dust removal box is fixedly provided with a dust suction fan, the front end of the dust suction fan is fixedly provided with a corrugated telescopic pipe, the front end of the corrugated telescopic pipe is fixedly provided with a dust suction port, and the front end of the dust suction port is fixedly provided with a dust collection box. A mounting ring is fixedly mounted at the outer end of the corrugated telescopic pipe, a rack is fixedly mounted at the lower end of the mounting ring, the lower end of the rack is in meshed connection with a gear, the gear is rotatably mounted in the dust removal box, and a rotating handle is fixedly mounted at the left end of the gear; according to the dust treatment device for non-ferrous metal alloy manufacturing, the position of a dust suction opening can be conveniently adjusted according to the dust outlet position, dust removal is closer and more direct, the dust suction efficiency and effect are improved, dust is conveniently wrapped, settled and collected through water mist, dust raising is avoided, and the dust is conveniently taken out and cleaned in a concentrated mode.

The utility model relates to the technical field of polishing machine equipment, in particular to an automatic taper sleeve polishing machine with a dust recovery device, and solves the technical problem that the cleaning difficulty of workers is increased due to the fact that the automatic taper sleeve polishing machine does not have the dust recovery function. According to the technical scheme, the automatic taper sleeve polishing machine with the dust recovery device comprises a bottom plate, universal wheels, a telescopic support, supporting legs, a polishing box, a partition plate, a power assembly, a polishing assembly and a dust absorption assembly; through the synergistic effect of the power assembly, the polishing assembly and the dust absorption assembly, stable and strong power is provided for the polishing assembly, it is ensured that the polishing assembly can complete polishing rapidly and evenly, meanwhile, dust generated in the polishing process is effectively captured and collected, and therefore the cleanliness and sanitation of the working environment are maintained; and the burden of workers on the aspect of cleaning work is obviously relieved.

The invention provides a blowing and sucking dual-purpose handheld dust collector, which comprises a dust collector main body, the dust collector main body comprises a machine body, the rear end of the machine body is provided with a connecting part, the connecting part is connected with a handle part, the handle part comprises a handle body, and an acute angle formed between the connecting part and the machine body is 50-60 degrees. The acute angle formed between the connecting part and the handle body is 50-60 degrees, the reasonable structural layout of the dust collector is formed, the structural modeling is attractive and simple, when the dust collector works, an approximate 7-shaped structure is formed, when dust collection and air blowing are carried out, an operator has good holding experience, blowing and sucking operation of the operator is facilitated, and the dust collector is convenient to use. And the user experience is improved on the whole.

The utility model discloses a carding machine, and relates to the technical field of fiber carding equipment. The carding machine comprises a first frame body, a second frame body, a first licker-in, a second licker-in, a breast cylinder, a main cylinder and a middle doffer, the first licker-in, the breast cylinder and the middle doffer are located on the first frame body, and the second licker-in and the main cylinder are located on the second frame body; a moving mechanism is arranged between the first frame body and the second frame body, and the first frame body and the second frame body move relatively; the breast cylinder is provided with a plurality of working rollers and wool stripping rollers, shaft sleeves are arranged at the ends of rotating shafts of the working rollers and the wool stripping rollers, the shaft sleeves and the rotating shafts move relatively, and a plurality of air suction hoods are arranged on the periphery of the breast cylinder and the periphery of the main cylinder. The first frame body and the second frame body can be separated through the moving mechanism, the construction space can be enlarged, the shaft sleeves are arranged at the ends of the rotating shafts of the working roller and the wool stripping roller, and fibers are prevented from being wound on the rotating shafts.

The invention discloses a self-recovery express pick-up cabinet which comprises a cabinet body, one end of the cabinet body is fixedly connected with a first toothed belt, the bottom of the first toothed belt is fixedly connected with a first base, the other end of the cabinet body is fixedly connected with a second toothed belt, and the other end of the cabinet body is fixedly connected with a dust collection structure. And the dust collection structure comprises a second toothed belt, the bottom of the second toothed belt is fixedly connected with a second base, the other end of the cabinet body is slidably connected with a first sliding block, and the other end of the first sliding block is fixedly connected with a dust collection box. According to the self-recovery express delivery pick-up cabinet, the sliding doors are arranged in the transport box body, so that the transport box body can open or close the sliding doors on the side faces at any time, the express delivery efficiency is greatly improved, the working time of couriers is greatly shortened, especially in the express delivery business peak, the express delivery overstock problem can be effectively relieved, and the express delivery efficiency is improved. Therefore, the express can be delivered to the pick-up cabinet in time, and the efficiency of the whole express delivery link is improved.

The present invention relates to the field of resource recycling and environmental protection production, and specifically to a dust removal device used in the process of recycling waste circuit boards, comprising an artificial processing frame, a dust collector is arranged on one side of the artificial processing frame, and a dust suction pipe is plugged and connected to the output end of the dust collector. The present invention can flexibly adjust the opening size of the dust cover according to waste circuit boards of different sizes by setting a first adjustment component, and can ensure that the dust cover can completely cover the surface of the waste circuit board as much as possible regardless of whether it is a larger or smaller size of the waste circuit board, thereby improving the adaptability of the dust removal device and meeting the dust removal requirements of circuit boards of various sizes in the process of recycling waste circuit boards. The present invention can realize the synchronous relative movement of two sliders by setting a driving component, and ensure that the expansion or contraction of the left and right sides of the dustproof elastic cloth is uniform, so that the opening size of the dust cover can be adjusted more accurately and quickly, thereby improving the convenience and efficiency of adjustment.

The dust cup assembly comprises a dust cup and a cyclone cylinder, the cyclone cylinder is arranged in the dust cup, a dust collection bin is formed between the cyclone cylinder and the dust cup, an air inlet and an ash discharge port are formed in the cyclone cylinder, the air inlet is located above the ash discharge port, the air inlet is communicated with the inlet, and the dust collection bin is communicated with the dust cup. The ash discharge port is communicated with the dust collection bin; the cyclone cone is installed at the position of the air outlet of the cyclone cylinder, and at least part of the cyclone cone is located in the cyclone cylinder; the first sealing piece is integrally formed and comprises a sealing part and a clamping part, the outer side of the cyclone cylinder is concaved inwards to form a sealing groove and a fixing groove, the sealing part is annularly arranged on the periphery of the air inlet and contained in the sealing groove, and the sealing part abuts against the inner wall of the dust cup; and the clamping part is clamped in the fixing groove. Through the special cyclone design, the dust-air separation effect of the dust collector is good, and a sealing piece is not prone to falling off.

The remote control dust collector with the anti-blocking effect comprises a dust collector body, the dust collector body comprises a device shell, a dust collection module, a dust collection pipe and a dust collection barrel, the dust collection module is arranged at one end of the device shell, and the dust collection pipe and the dust collection barrel are arranged in the device shell; the filter assembly comprises a filter cartridge and a connecting ring plate, the filter cartridge is coaxially arranged in the dust collection pipe, the diameter of the filter cartridge is smaller than the inner diameter of the dust collection pipe, and a plurality of filter holes are formed in the ring wall of the filter cartridge and the side wall, away from the dust collection module, of the filter cartridge; the connecting ring plate is connected to the outer ring wall of the end, close to the dust collection module, of the filter cartridge, the outer ring wall of the connecting ring plate abuts against the inner ring wall of the dust collection pipe, and an air inlet is formed in the side, close to the dust collection module, of the filter cartridge. The dust collector has the effects of improving the dust collection efficiency and reducing the blocking possibility of the dust collector.

The utility model discloses a numerical control cutting machine for a thin plate. The numerical control cutting machine comprises a rack, a movable portal frame, an automatic pushing dust collection device and an automatic lifting dust collection device, the rack is provided with a workbench, and the workbench is provided with a feeding end and a discharging end; the automatic material pushing and dust collecting device is arranged on the movable portal frame in a vertically movable mode and located above the machine frame. The automatic lifting dust collection device is arranged corresponding to the discharging end of the rack; the machine frame is further provided with a controller, and the longitudinal driving device, the automatic material pushing and dust collecting device and the automatic lifting and dust collecting device are electrically connected to the controller, so that the controller controls the automatic material pushing and dust collecting device to conduct dust collection on the workbench while pushing materials. The controller controls the automatic lifting dust collection device to conduct secondary dust collection on the thin plate at the discharging end, automatic successive double dust collection is achieved, the automation degree is high, manpower is saved, meanwhile, the overall production and machining efficiency and the dust collection efficiency are improved, and the cleanliness of the numerical control cutting machine is improved.

The invention discloses an edge grinding device for glass ceramic processing, and relates to the technical field of universal grinding machines, the edge grinding device comprises a glass fixing mechanism and a fixing suction cup mounted at the top of the glass fixing mechanism, an edge grinding dust collection mechanism is arranged at the top of the glass fixing mechanism, and edge grinding equipment is arranged in the edge grinding dust collection mechanism; the glass fixing mechanism comprises an edge grinding workbench, a glass fixing groove is formed in the center of the interior of the edge grinding workbench, a fixing block is fixedly installed in the glass fixing groove, and a fixing supporting rod is fixedly installed on the outer side, close to the glass fixing groove, of the edge grinding workbench. According to the device, the fixed suction cup can be closed, so that glass ceramics are adsorbed and fixed through the fixed suction cup, and when the glass ceramics need to be moved, the moving roller in the roller support can jack up the glass ceramics, so that the movement of the glass ceramics is facilitated.

The utility model relates to a dental restoration tooth arrangement auxiliary device which comprises a working table, and the right side of the top of the working table is fixedly connected with two carrying plates; and the dust collection assembly comprises a dust box located on the opposite sides of the two carrying plates. Compared with the prior art, the polishing machine has the advantage of dust adsorption, dust generated in the polishing process is quickly and effectively adsorbed under the action of the dust collection assembly in the actual use process, the cleanliness of the working environment is remarkably improved, the cleanliness of the field environment can be easily maintained, the body health of workers can be better protected, and the polishing machine is worthy of popularization and application. And health risks such as respiratory diseases possibly caused by long-time exposure in a dust environment are reduced. And meanwhile, under the action of the adjusting assembly, the dust absorption angle and position can be adjusted, different dust absorption angles and positions may be needed for different grinding tasks, and the grinding requirements of workers in different scenes can be better met or met through adjustment.

The utility model relates to paper diaper packaging equipment which comprises an equipment body, an operation box is fixedly connected to the front side of the top of the equipment body, and a U-shaped guide table is fixedly installed on the equipment body and located below the operation box. According to the paper diaper production line and packaging equipment, by arranging the disassembling and assembling mechanism, firstly, a hand wheel is rotated, a transmission rod on a first bearing and a gear are driven by the hand wheel to stably rotate, then through linkage cooperation of the gear, a first fixing plate, a sliding rod, a sliding block, a connecting plate and the L-shaped toothed plates, the two L-shaped toothed plates can move close to each other or away from each other, and therefore the paper diaper can be disassembled and assembled conveniently. Meanwhile, the bolts on the L-shaped toothed plate can also move along with the L-shaped toothed plate, and finally, by controlling the movement of the bolts, if the bolts are connected with the insertion holes in the clamping plate, the movable plate is in a mounting state or in a reverse state, and if the bolts are not connected with the insertion holes in the clamping plate, the movable plate can be freely disassembled, and equipment parts can be more conveniently repaired or maintained after the movable plate is disassembled. And the practicability is high.

The utility model discloses an electrolytic bath accumulated material dust collection device, which belongs to the technical field of accumulated material dust collection, and comprises a dust collection tank, a base, a dust collection assembly and a pressure early warning assembly, the dust collection tank is arranged on the base, the dust collection assembly is arranged on the dust collection tank, and the dust collection assembly comprises an ejector, a three-way pipe and a dust collection pipe. The ejector and the dust collection tank are provided with a pressure early warning assembly, and the pressure early warning assembly comprises two pressure detectors and an alarm. The dust collection device has the advantages that the dust collection device is moved to the position near the electrolytic bath, accumulated materials on the electrolytic bath can be treated through the dust collection assembly, compressed air is introduced into the ejector communicated with the dust collection tank, suction force can be generated in the dust collection tank under the action of the ejector, and then the dust collection pipe is aligned with the accumulated materials of the electrolytic bath for dust collection. And the pressure early warning assembly is arranged on the dust collection device, pressure monitoring can be conducted on the ejector and the dust collection tank, an alarm can be given out in the abnormal state, and the safety of the device is further improved.

The invention relates to a dust removal device for tunnel air energy blasting, and relates to the technical field of tunnel blasting dust removal, the dust removal device comprises a vehicle body, a dust collection assembly, an adjusting assembly and a cleaning assembly, the dust collection assembly comprises an air guide pipe, a guide plate and a collection box, the air guide pipe is arranged on the vehicle body, and an air suction pump is arranged on the air guide pipe; the multiple guide plates are arranged around the axis of the air guide pipe by a circle and connected end to end to form a flaring shape, and one end of each guide plate is hinged to the end of the air guide pipe. The collecting box is fixedly arranged on the vehicle body and is communicated with the air guide pipe; the adjusting assembly comprises a dust concentration sensor and an adjusting part, and the dust concentration sensor is fixedly arranged on the vehicle body and used for outputting a dust concentration signal in the tunnel; the adjusting part is used for adjusting the flaring size of the guide plate according to the dust concentration in the tunnel; the cleaning assembly is arranged on the collecting box and used for cleaning dust in the collecting box. The tunnel dedusting device has the effect of improving tunnel dedusting.

The utility model provides a water film vacuum treatment system, which is characterized in that a dust extraction output end of each crystal bar device is connected with an input end of a water film vacuum treatment device through a pipeline, and the water film vacuum treatment device is used for spraying water to a dust extraction mixture of the crystal bar devices to separate gas and solid; the gas output end of the water film vacuum treatment device is connected with the input end of the vacuum pump set through a pipeline, the vacuum pump set is used for outputting gas separated by the water film vacuum treatment device to the outside, an existing bag type dust collector is replaced with the water film vacuum treatment device, the dust collection precision is high, only the collecting box needs to be disassembled and cleaned, shutdown is not needed, and the cost is low. The dust collection efficiency is greatly improved, the production cost is reduced, and meanwhile the requirements for high efficiency and high precision are met.

The utility model discloses a centralized treatment device for cleaning dust in air, which relates to the technical field of air dust treatment and comprises a treatment box, an air suction pump is fixedly arranged on the side of the treatment box, an inclined filter screen is fixedly arranged in the treatment box, a rotating hole is formed in the top of the treatment box, and a supporting pipe is rotatably mounted in the rotating hole. The dust collection device is reasonable in structure, and when the air suction pump and the control motor are started, the air suction pump operates to suck dust in air into the treatment box for centralized treatment through the connecting hose and the dust collection cover; a control motor operates to drive a dust collection cover to move up and down and rotate circumferentially to rapidly collect surrounding air dust through a driving bevel gear, a driven bevel gear, a supporting pipe, a mounting seat, a vertical screw rod, a moving gear, a fixed gear ring, a vertical moving block, a hollow supporting rod and a telescopic sliding rod, so that the effective dust collection range of equipment is greatly enlarged; the dust collection efficiency is improved, and the practicability is good.

The invention discloses a filtering and collecting device for textile dust and a method thereof, belonging to the technical field of textile dust collection, comprising a plurality of support plates, a placement plate arranged on the top of the support plate, a water tank fixedly connected to the support plate arranged below the placement plate, a dust suction filter assembly rotatably arranged on the placement plate, the dust suction filter assembly is used to filter and process the textile dust and blow the textile dust into the water tank, a vibration assembly connected to the water tank is arranged below the dust suction filter assembly, the vibration assembly is used to provide vibration to the rotating dust suction filter assembly, and two swing dust suction assemblies are connected to the dust suction filter assembly. The invention can adjust the direction and range of dust suction at any time during dust suction, clean the dust suction port, avoid clogging of textile fibers, improve the efficiency of dust suction, and perform vibration filtration after dust suction, reduce clogging of the filter screen, reduce the frequency of manual cleaning, and crush bubbles when absorbing with water, which is conducive to full contact and absorption of dust and water.

The utility model relates to the technical field of melamine tableware production, and discloses a melamine tableware edge grinding device which comprises a workbench, a plurality of supporting plates are fixedly connected to the rear portion of the top end of the workbench, dust suction devices are arranged at the top ends of the supporting plates, upper rotating rods are rotationally connected to the bottom sides of the front ends of the supporting plates, and lower rotating rods are rotationally connected to the bottom sides of the front ends of the supporting plates. A moving assembly is arranged on the outer wall of the middle end of the upper rotating rod, a moving ring is arranged on the outer wall of the bottom end of the upper rotating rod, a second telescopic rod is fixedly connected to the outer wall of the moving ring, a limiting ring is fixedly connected to the end, away from the moving ring, of the second telescopic rod, and a dust suction pipe is arranged on the inner circumference of the limiting ring. According to the edge grinding device, the height of the bottom end of the dust collection pipe is adjusted, so that the dust collection pipe is closer to dust and sweeps generated by edge grinding, the dust collection efficiency is improved, the dissipation of dust is reduced, the edge grinding requirements of different workpieces can be met, and the dust collection effect is ensured.