71results about How to "Expand the vacuum range" patented technology

The invention relates to the technical field of plastic recycling, and discloses a fragment screening mechanism for plastic particle production, the fragment screening mechanism for plastic particle production comprises a rack and a screening hopper, a coarse screening plate is fixedly installed on the inner wall of the screening hopper, and according to the fragment screening mechanism for plastic particle production, a motor is started to drive a rotating shaft to rotate; meanwhile, plastic particles in the screening hopper can be scattered through cooperation of a wheel disc, a cam groove, a ball head rod, a push plate, a sliding rod, a spiral groove and a stirring shaft, meanwhile, the plastic particles in the hopper can be turned up and down in a reciprocating mode through cooperation of a connecting rod, a sliding table and the stirring shaft, the scattering effect on the plastic particles is further improved, and adhesion of the plastic particles is avoided; accordingly, the plastic particles can be prevented from blocking the coarse screening plate, the screening effect and efficiency of the plastic particles are improved, meanwhile, the discharging pipe can be dredged through the push rod, the inclined groove, the sliding plate and the ejector rod, the plastic particles are prevented from being blocked in the discharging pipe, and the discharging efficiency of the plastic particles is improved.

The invention relates to the technical field of crusher protection, in particular to a mechanical safety protection device for engineering equipment, and effectively solves the problems of poor dust removal effect, feeding blockage and discharging accumulation of an existing crusher. Comprising a base, a protective shell is fixed to the upper end of the base, a support is fixed in the protective shell, a movable shell is slidably connected to the upper end of the support, two crushing rollers are arranged in the movable shell, and a collection hopper is fixedly connected to the upper side of the protective shell; by arranging the feeding assembly, the purpose of auxiliary discharging can be achieved, the problems that materials are accumulated to block a feeding port and a blocking plate cannot be normally closed, and consequently the materials are splashed out of an instrument are solved, and the blocking plate can seal the feeding port in time to prevent the problem that when crushed materials are splashed to the outer side from the inside, workers are hurt; and by arranging the screening hopper and the screen, the materials can be screened, meanwhile, the crushed materials are prevented from being accumulated through vibration, the crushed materials are discharged from the interior in time, and the situation that cleaning needs to be conducted in the later period is avoided.

The utility model discloses a drilling sampling device for road detection, which comprises a main body, an air cylinder arranged at the upper end of one side of the main body, a motor box arranged at the output end of the air cylinder, a sampling barrel arranged right below the motor box, and a dust collection cavity arranged inside the main body, fixing cylinders are welded to the two sides, the front end and the rear end of the motor box, the fixing cylinders are of hollow structures and communicate with one another through connecting pipes, a dustproof net is arranged on the upper side of one side in the dust collecting cavity, and the dust collecting cavity is connected with one of the fixing cylinders through a conveying pipe; and the storage cavity is formed in the upper end of the main body, and a partition plate is arranged in the storage cavity. According to the drilling sampling device for road detection, dust can be accumulated in the dust collection cavity to be collected, and dust diffusion is avoided. And moreover, an additional storage device is not needed for storage, so that the use is convenient and quick, and the practicability is good.

The invention relates to the technical field of bearing production and conveying, and discloses a conveying device for deep groove ball bearing production, which comprises a conveying platform, the left side of the conveying platform is fixedly connected with a blanking plate, the right side of the conveying platform is provided with a conveying belt, and the bottom of the conveying platform is fixedly connected with a fixing frame. An intermittent arrangement mechanism is arranged at the top of the fixing frame and comprises a motor, the motor is fixedly connected to the top of the fixing frame, bearings can be conveyed through rotation of a conveying disc, the bearings are prevented from being stacked together, and the bearings can be intermittently limited through front-back movement of a limiting rod; therefore, intermittent conveying and arrangement of the bearings are achieved, mutual extrusion and accumulation of the bearings can be avoided, materials are kept to be evenly distributed on the conveying belt, the conveying belt runs smoothly, the shutdown cleaning frequency caused by blockage is reduced, the continuous production process is guaranteed, and the conveying efficiency is effectively improved.

The utility model discloses a storage tank for lithium iron phosphate battery raw materials, and belongs to the technical field of battery raw material storage. A storage tank for lithium iron phosphate battery raw materials comprises a material storage tank and further comprises a feeding pipe, a discharging pipe, a storage tank body, a discharging pipe and a storage tank body, wherein a screen box is detachably installed at a feeding port of the feeding pipe, and screen holes are formed in the inner bottom of the screen box in a penetrating mode; the top plate is mounted in the feeding pipe in a sliding manner; by starting the motor, the elastic rod can be driven to continuously impact the bottom of the screen box, so that the screen box vibrates, the mobility of iron powder raw materials of batteries in the screen box can be improved, the iron powder raw materials quickly pass through the screen holes to fall into the material storage tank, the feeding speed of the raw materials and the impurity removal efficiency of the raw materials can be improved, and the production efficiency is improved. Therefore, impurities are prevented from entering the storage tank along with the iron powder raw material of the battery, and subsequent production, processing and use of the battery are facilitated.

The utility model relates to the related technical field of building construction, in particular to a house building construction dust removal device which comprises a device body, and a dust collection mechanism is arranged on the surface of the device body. According to the dust collection device for house building construction, through the arrangement of the dust collection mechanism, when dust collection is conducted, the device is firstly conveyed to a designated position through rolling wheels, then a suction fan is started, the suction fan sucks and exhausts air in a cavity through a connecting hole, negative pressure is generated, then external air enters the cavity through a dust collection pipe and a connecting pipe, and dust collection is conducted. In the process, dust generated on the construction site is sucked into the cavity along with airflow and then collected by the collecting box, in order to enable the dust collection effect to be better, a motor is started, the motor drives a second gear to rotate, then the second gear and a first gear rotate in an engaged mode, then the first gear drives a dust collection pipe to rotate, and therefore the dust collection pipe rotates to collect dust; the dust collection range of the dust removal device is effectively expanded, and the dust removal effect is improved.

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 invention discloses a hydraulic station with a dustproof structure, and relates to the technical field of hydraulic stations, the hydraulic station with the dustproof structure comprises a hydraulic station main body, and a control panel is fixedly mounted on the outer wall of the hydraulic station main body. Dust drifting away from the top of the hydraulic station body can be adsorbed through cooperation of a fan, a hose and a dust collecting cover, the dust is prevented from falling on the surface of the hydraulic station body to affect normal operation of the hydraulic station body, and then the dust can be filtered and stored through a collecting box and a filter screen; the dust collection cover can be driven to swing back and forth above the hydraulic station main body through reciprocating rotation of the swing rod on the outer wall of the stand column, and the dust collection range of the dust collection cover can be expanded through reciprocating swing of the dust collection cover, so that dust drifting away from the top of the hydraulic station main body can be fully adsorbed by the dust collection cover, and the dust removal effect can be improved; a large amount of dust is prevented from being attached to the hydraulic station body in the operation process.

The utility model relates to the technical field of ore magnetic separation, and discloses ore magnetic separation equipment which comprises an equipment main body, a filter plate is movably sleeved in the equipment main body, a shaking piece is arranged on one side of the equipment main body, a dust removal piece is arranged in the equipment main body, and the dust removal piece is located at the bottom of the filter plate. The shaking piece comprises a bearing plate fixed to one side of the equipment body, and the bearing plate is located on the side away from the discharging plate. According to the ore magnetic separation equipment, by arranging the shaking piece, when the ore magnetic separation equipment is used, a motor is started to drive an eccentric wheel to rotate, meanwhile, a connecting plate and a connecting rod are driven to reciprocate, and a filter plate can be driven to reciprocate, so that large-particle impurities can be intercepted on the surface of the filter plate, and the purpose of filtering the large-particle impurities is achieved; and the purpose of treating small-particle impurities can be achieved, so that the purpose of filtering the impurities with different sizes is achieved, and the problem that the separation effect is influenced by the impurities is further avoided.

The utility model discloses an edge trimmer for sewing cup sleeve production, particularly relates to the technical field of cup sleeve production, and comprises a working plate, two connecting plates are arranged at the top of the working plate, supporting columns are arranged at four corners of the bottom of the working plate, a smoothing mechanism is arranged at the top of the working plate, and an edge trimming mechanism is arranged on one side of each connecting plate. And a treatment mechanism is arranged on the surfaces of the connecting plates and comprises sliding grooves formed in the surfaces of the two connecting plates, first electric telescopic rods are arranged in the two sliding grooves correspondingly, a first sliding block is arranged at one end of each first electric telescopic rod, a fixing plate is arranged on one side of each first sliding block, and two connecting columns are arranged at the bottom of the fixing plate. According to the cloth cutting device, cloth can be conveniently limited and flattened during conveying, the cutting effect on the edge of the cloth is improved, chippings generated by cutting can be conveniently collected, and the situation that the generated chippings affect use of internal mechanisms is prevented.

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 invention relates to the technical field of tempered film processing, and discloses a corner grinding device for tempered film processing, the corner grinding device for tempered film processing comprises a base, a stand column is fixedly mounted at the top of the base, and a motor is fixedly mounted at the top of the stand column. Through operation of the industrial dust collector in cooperation with the hose and the dust collection cover, dust and chippings generated by polishing of the tempered film can be adsorbed, the situation that the dust and the chippings splash to affect the sight of workers is prevented, meanwhile, the chippings can be prevented from splashing to scratch the tempered film, and therefore the production yield of the tempered film can be increased, and the production cost is reduced. And the dust collection cover can be driven to vertically swing in a reciprocating mode through the swing rod, the dust collection range of the dust collection cover can be enlarged through vertical reciprocating swing of the dust collection cover, the dust collection cover can fully adsorb dust drifting away from the two sides of the grinding wheel, and therefore the dust removal effect can be improved, and dust and chippings are effectively prevented from being splashed all around.

The utility model relates to the technical field of dust removal equipment, and discloses environment-friendly dust removal equipment convenient for angle adjustment, which comprises an equipment body, an adjusting mechanism and a filter basket, a dust falling box is fixedly arranged at one side of the inner bottom surface of the equipment body, and a fixed ring pipe is fixedly arranged at the upper part of the inner wall of the dust falling box; a plurality of nozzles are fixedly arranged on the inner surface of the fixed ring pipe, a filter screen is fixedly arranged at the lower part in the filter basket, an exhaust fan is fixedly arranged at one side of the upper end surface of the equipment body, an air inlet pipe is fixedly arranged at an air inlet of the exhaust fan, and a hose is fixedly arranged at one end of the air inlet pipe. According to the dust collection device, the angle and the height of the dust collection cover can be adjusted, the angle of the dust collection cover can be flexibly adjusted according to the dust collection position, the dust collection range is enlarged, use is easy, operation is convenient, sucked dust can be subjected to falling dust collection, and dust is prevented from flying out.

The utility model relates to a calcium carbonate ore crusher which comprises a bottom plate, a shell is mounted on the upper surface of the bottom plate, a pair of crushing rollers are rotationally mounted in the shell through a driving mechanism, mounting grooves are uniformly formed in the outer surfaces of the crushing rollers, mounting plates are arranged in the mounting grooves, and crushing teeth are uniformly mounted on the outer surfaces of the mounting plates; and a limiting groove is formed in the lower surface of the mounting plate in the length direction of the mounting plate, a limiting rod is arranged in the mounting groove and matched with the limiting groove, and a fixing mechanism capable of fixing the mounting plate is arranged on the side surface of the crushing roller. Through the arrangement of the fixing mechanism, when the crushing teeth are abraded or damaged, only the mounting plate provided with the crushing teeth needs to be replaced, the whole crushing roller does not need to be replaced, and therefore the maintenance cost and the working downtime are reduced, and the crushing roller can be conveniently replaced according to different types of crushed objects. And the crushing teeth with corresponding models are replaced for the crushing rollers, so that the application range of the device is expanded.

The utility model discloses an aquatic product premix dust recovery device which comprises a device body, and a mixing box used for mixing aquatic product premix is fixedly installed on the device body. Racks are fixedly installed at the two ends of the top of the device body, a transverse frame is fixedly installed at the tops of the two racks, a dust suction hood is movably installed below the transverse frame, a dust collector is fixedly connected to the dust suction hood through a dust suction hose, and the dust collector is fixedly installed at the right end of the top of the transverse frame. The top of the dust suction hood is fixedly connected with a second movable block through two movable frames, and the second movable block is movably arranged at the bottom of the transverse frame. According to the dust collection device, dust generated in premix can be conveniently collected and recycled, the dust collection cover can be made to collect dust in the left-right moving process, the dust collection range can be expanded, it is ensured that dust generated in the aquatic product premix process is better collected, the overall dust collection effect is better, and the dust collection efficiency is improved. And the influence of dust on the human body and the environment is greatly reduced.

The utility model discloses a yarn arranging device for polyester textile yarn production, which comprises a base, and a yarn arranging roller is mounted on the left side of the base; a containing groove is fixed to the left side of the top of the base, the containing groove is parallel to the wire arranging roller, a limiting rod is slidably connected to the interior of the containing groove, a first spring is connected to the bottom of the limiting rod, and the bottom of the first spring is connected to the interior of the containing groove; a motor is arranged on the right side of the base, the left end of the motor is in key connection with a cam, the rear end of the cam is attached to the front end of a cleaning plate to form an extrusion mechanism, and the cleaning plate is slidably connected to the base. The yarn arranging device for polyester spinning yarn production is provided with the cam, the cam is driven by the motor to rotate, the cam rotates to drive the cleaning plate to transversely shake, then the cleaning plate shakes to clean dust attached to polyester spinning yarns, and therefore the cleaning effect is improved.

The utility model discloses a dust removal device for industrial furnace, including trolley and liquid storage bucket body, the top of trolley is installed with liquid storage bucket body, the one side of trolley top away from liquid storage bucket body is installed with mobile support, the outside of mobile support is provided with the support plate, the sidewall of support plate is installed with fan, the output of fan is installed with hose, the outside of support plate is provided with the suction hood. The utility model not only has realized dust removal device convenient height adjustment to suck dust, has facilitated convenient turnover to adjust angle to suck dust, has facilitated convenient multistage rotation to adjust position, but also has increased the range of dust collection, has facilitated to the mixing liquid and has stirred to prevent the deposition, has facilitated the elasticity to the liquid storage bucket inner wall and has swept to avoid adhering the inner wall, has improved dust removal device dust removal efficiency.

The dust collection cover comprises an outer cover, a first dust collection opening and a first opening and closing door are formed in the side, close to a production line, of the outer cover; the cross section of the telescopic cover body is in a right triangle shape, the telescopic cover body is telescopically nested in the outer cover in the length direction of the production line, a second dust collection opening and a second opening and closing door are formed in the side, close to the production line, of the telescopic cover body, and the upper side edge of the second opening and closing door is rotationally connected with the upper end of the second dust collection opening; the telescopic cover body extends out of the outer cover, and the first opening and closing door and the second opening and closing door form a dust collection channel in an opening state; when the telescopic cover body retracts the outer cover, the first opening and closing door and the second opening and closing door are in a closed state, and the dust collection channel is closed. According to the dust collection cover, the form of the telescopic cover body is adopted, the dust collection cover can be lengthened in the length direction of the production line to form a larger dust collection channel, the telescopic cover body can be stored in the main cover body after being retracted into the outer cover and closed, and the dust collection cover can extend the dust collection range in the length direction of the production line and is small in occupied space.

The utility model relates to the technical field of building flying dust treatment, in particular to a waterless flying dust treatment device which comprises a base, lockable moving wheels are fixedly connected to the four corners of the lower end of the base, a side plate is fixedly connected to the middle of the left end of the base, and a dust suction device is fixedly connected to the upper end of the side plate. An exhaust fan is fixedly connected to the upper portion of the right end of the treatment box in a penetrating and inserting mode, two sliding grooves are formed in each of the left box wall and the right box wall of the treatment box, a collecting device is slidably connected into the treatment box, a shielding device is clamped to the middle of the upper box wall of the treatment box, and a push rod is fixedly connected to the rear portion of the upper end of the base. According to the waterless raised dust treatment device, the dust collection device, the collection device and the shielding device are used in cooperation, the dust collection range is enlarged, the problem that water resources are seriously wasted in traditional water spraying dust falling is solved, a sliding installation mode is adopted, dust dumping treatment is convenient, and use is convenient and fast.

The utility model discloses a dust treatment device for graphite cathode powder production, and relates to the technical field of dust treatment. A top frame is arranged on one side of the top end of the bottom frame, an air inlet frame is rotatably arranged at the top end of the top frame, a mixing frame is arranged in the middle of the bottom frame, a fan is arranged on the side, close to the mixing frame, of the outer wall of the top frame, a swing mechanism is arranged in the top frame, and a filtering frame is arranged on the side, close to the mixing frame, of the bottom end of the inner wall of the bottom frame. A collecting and discharging mechanism is arranged on one side of the filtering frame, and an opening and closing mechanism is arranged on the other side of the filtering frame; the swing mechanism is arranged, the swing mechanism drives the air inlet frame to swing in a reciprocating mode, the air inlet frame swings in a reciprocating mode so as to enlarge the dust collection range, the collecting and discharging mechanism is arranged, mixed and filtered dust is automatically pushed out through the collecting and discharging mechanism, and the effects of enlarging the dust collection range and automatically discharging are achieved through the operation. The dust collection range is enlarged, the labor cost is reduced and the production efficiency is improved.

This utility model provides an adjustable dust collection hood for workshop dust removal, including an extraction pipe, a flexible hose, mounting rings, an adjusting frame, a fixing frame, and a dust collection hood. One end of the extraction pipe is connected to a corresponding external device, and a flexible hose is fixed in the middle of the extraction pipe. Several mounting rings are fixed to the outer side of the extraction pipe, and the mounting rings are slidably connected to corresponding structures of the adjusting frame. The adjusting frame is fixed to the lower side of the fixing frame, which is fixed to a fixed structure in the workshop. The dust collection hood is fixed to the end of the extraction pipe away from the corresponding external device. The adjusting frame of this utility model allows for adjustment of the position of the dust collection hood, thereby expanding the dust collection range. Furthermore, the dust collection hood allows for cleaning of the inner wall of the hood, thus preventing dust from adhering to the inner wall of the hood.

The utility model discloses a sorting device for wheat processing, including sorting box, feed hopper, upper guide plate, lower guide plate, sorting fan, dust collection mechanism and screening mechanism, through setting up upper guide plate and lower guide plate, can guide the wheat that feed hopper falls down and disperses and slides, make the wheat distribution more evenly in the sorting process, make subsequent sorting fan and dust collection mechanism better play the role, improve the overall nature and accuracy of sorting and impurity removal, two groups of symmetrical sorting fan and dust collection mechanism intercoordination, the airflow of sorting fan blows the wheat that disperses and slides and makes the impurity and wheat separate, and dust collection mechanism then in time will separate out the impurity and inhale, the design of dust collection cover, dust collection shell and protective grating has effectively expanded the dust collection range, and the protective grating can prevent the wheat from being inhaled, ensures the smooth progress of the dust collection process, and greatly improves the efficiency of sorting and impurity removal.

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 invention relates to the technical field of punchers, and discloses an anti-fracturing puncher for sensor shell machining, which comprises a base, a groove is formed in the top of the base, a sliding groove is formed in one side, close to the groove, of the base, and a first electric sliding rail is mounted in the sliding groove; a first electric sliding rail is fixedly connected to the top of the base, a moving seat is slidably connected to the interior of the first electric sliding rail through an electric sliding block, a second electric sliding rail is fixedly connected to the top of the moving seat, a positioning frame is slidably connected to the interior of the second electric sliding rail through an electric sliding block, and a machining table is fixedly connected to the top of the base. And the movable end of the lifting assembly is fixedly connected with a sliding frame, and the bottom of the sliding frame is fixedly connected with a perforating assembly. According to the anti-fracturing perforating machine for sensor shell machining, the shell is preheated through heated gas, the activity of shell material molecules is effectively improved, the shell material molecules are softer in the perforating process, and fracturing caused by brittleness is reduced.

The adjustable electrostatic dust collection device comprises a dust collection box, a plurality of idler wheels are installed at the lower end of the dust collection box, a sliding groove is formed in the inner top of the dust collection box, and a sliding plate is connected to the inner wall of the sliding groove in a sliding mode. One side wall of the sliding plate is elastically connected with the inner wall of the sliding groove through a plurality of springs, an electrostatic dust collector is installed at the lower end of the sliding plate, a rotating shaft is rotationally connected to the inner wall of one side of the dust removal box, a cam is fixedly connected to the outer wall of the rotating shaft and matched with the electrostatic dust collector, and a dust outlet hopper is fixedly connected to the lower end of the dust removal box. And one side wall of the dust removal box is fixedly connected with two fixed plates. And by arranging the rotating shaft, the gear, the rack and other structures, the swing plate can drive the dust collection plate to swing, then the dust collection head can collect dust in the chemical workshop from different angles, the dust collection range is enlarged, and the dust collection efficiency is improved.

The invention relates to the technical field of coal mine underground dust prevention and control, and discloses a working face negative pressure ventilation dust falling method, system and device. The method comprises the following steps that an intelligent control center obtains the real-time traction speed and the real-time coordinate position of a coal mining machine through a dust source tracking and positioning sensing unit; establishing coordinate mapping logic according to the real-time coordinate position so as to calculate the number of the hydraulic support currently corresponding to the coal mining machine; judging the running direction of the coal mining machine according to the sign sign of the real-time traction speed, and generating a support number set in an activated state at the current moment by combining a preset advanced dust pre-suction support number and a preset lagging purification support number; and sending an instruction to the distributed negative pressure dust collection device array according to the support number set in the activated state, and controlling the gas circuit control units in the support number set in the activated state to be started, so that a negative pressure suction and capture area is formed around the roller of the coal mining machine. According to the invention, accurate capture of the mobile dust production source and on-demand adjustment of the air volume are realized.

The utility model relates to the technical field of polishers for producing and processing automobile steel wire curtains, and discloses a polisher for producing and processing automobile steel wire curtains, which comprises a polisher main body, the top of the polisher main body is fixedly connected with an angle adjusting mechanism, and the top of the angle adjusting mechanism is fixedly connected with a handle. A grinding disc is fixedly connected to the bottom of the grinding machine body, and a connecting block is fixedly connected to one side of the grinding machine body. According to the grinding machine for producing and machining the automobile steel wire curtain, through the arrangement of a dust collection mechanism and a rotating mechanism, when the grinding machine is used, a rotating disc on one side of a connecting block is rotated, the rotating disc drives a dust collection head on one side to conduct angle adjustment, then a threaded rod is used for fixing the dust collection head, the dust collection range is enlarged, and after the dust collection head is adjusted to a proper position, a suction fan is started; suction force is generated around the dust collection head through an air pipe, dust generated by polishing is collected, and the collected dust is stored in the collection tank for later unified treatment.

The invention discloses a multifunctional dust collector, which relates to the technical field of dust collectors, and comprises a bottom shell, a front shell, a device shell, a dust collection box, an inner shell and two end covers, the dust collection assembly is installed on the inner shell, the inner shell and the device shell are each provided with a plurality of air guide openings, and the dust collection assembly communicates with the air guide openings; the filter element cylinder is fixedly mounted below the filter shell, and the filter element cylinder is communicated with the air guide port; a dust suction pipe assembly is mounted at the top of the joint pipe; the whole dust collector is small in structural size, more space is reserved for other vehicle-mounted objects, a good structure for fixedly installing the dust collection pipe is arranged, and the problem that the dust collection pipe assembly is prone to being damaged is solved; a dust collection and inflation integrated structure is arranged on the whole dust collector, so that inflation support is conveniently provided when a tire is flat, and the use performance is high.

The utility model belongs to the technical field of dust removal devices, and particularly relates to a construction site environment-friendly dust removal device which comprises a bottom plate, a collecting box is fixed to the top of the bottom plate, two box doors are hinged to the front face of the collecting box, a transverse plate is fixed in the collecting box, and a filtering frame is placed in a through opening formed in the top of the transverse plate. Through the arrangement of the bottom plate, the collecting box, the transverse plate, the filtering frame, the dust falling box, the flow guide hopper, the water pump, the atomization spraying plate, the fan and the filtering net, in the using process of the dust falling device, sewage used for dust falling can flow back into the collecting box again under the action of the flow guide hopper after being filtered through the filtering frame, and therefore the dust falling effect is improved. And by arranging a corrugated hose, a dust collection cover, a support, a first electric push rod, a supporting plate and a reciprocating mechanism, the dust collection cover can swing in the left-right direction, and therefore the dust collection range of the dust collection cover can be enlarged.