38results about How to "Vacuum thoroughly" patented technology

The invention relates to auxiliary mounting equipment, in particular to auxiliary mounting equipment for a construction monitoring sign. The auxiliary mounting equipment for the construction monitoring sign comprises a drill bit and the like. Wheels are arranged on the left and right sides of the bottom of a support correspondingly. A push-moving device is arranged on the support. A fixing plate is arranged on the push-moving device. A motor and a dust suction device are arranged on the left side wall of the fixing plate, wherein the dust suction device is arranged below the motor. A first rotating shaft is connected to the left side of the motor, and the drill bit is connected to the left end of the first rotating shaft. The situation that dust is diffused in air and consequently pollutes the environment can be relieved while drilling is conducted; the direction of a dust suction cover can be changed, so that dedusting is more thorough; discharging of sewage or sludge is accelerated, and the sewage and the sludge are prevented from being adhered to the inner wall of a box body; the auxiliary mounting equipment can be conveniently fixed, thus the safety and stability of the equipment are guaranteed.

The invention discloses a dust collecting electric drill with illumination function, which comprises an electric drill main body, an electric drill bit holder, and an electric drill bit. The electric drill main body head part is provided with the electric drill bit holder, and the electric drill bit holder is provided with the electric drill bit, wherein a dust collecting mask is arranged between the electric drill bit holder and the electric drill main body and connected with a hose, the hose is connected with a dust / drill cuttings storage chamber, the dust / drill cuttings storage chamber has one side provided with an opening and the other side connected with a driving chamber, a driving motor is arranged in the driving chamber and connected with a suctioning fan, the suctioning fan communicates with the dust / drill cuttings storage chamber, an interlayer is arranged in the dust collecting mask, and a plurality of illuminating lamps are arranged in the interlayer. The invention has the advantages that the dust collecting part of an improved electric drill is increased, that the dust collecting range covered by the dust collecting mask is larger, that dust collection is thorough, that the illuminating lamps arranged on the dust collecting mask can bring convenience to work at night, and that a wire storage device at an electric drill handle can hold electric drill wires to convenience long-distance work.

The invention discloses an environmental protection device for air dust removal and purification in factory workshops, which comprises a movable base, a dust collection tank, a supporting base, a first servomotor, a second servomotor, a filtering chamber, and a water tank, ground wheels are mounted at the four corners of the bottom end of the movable base, the dust collection tank is fixed at theright end of the top of the movable base, the supporting base is fixed on the movable base at the left side of the dust collection tank, the dust collection tank is connected to the supporting base through a first air intake pipe, one end of the first air intake pipe extends into the supporting base, a first suction fan is fixedly mounted on the top end of the supporting base, the first suction fan is communicated with the first air intake pipe through a connecting pipe, and one end of the connecting pipe extends into the supporting base and is fixedly connected to the first air intake pipe. According to the environmental protection device for air dust removal and purification in factory workshops, the speed of dust suction is high, the efficiency of absorbing dust in a workshop is high, moreover, after multiple times of dust removal, the dust removal effect is good, the quality of air in the workshop is increased, and therefore the environmental protection device for air dust removaland purification in factory workshops is convenient to popularize and use.

The invention relates to a dust exhaust apparatus of a yarn drum group. The dust exhaust apparatus of the yarn drum group is characterized by comprising a strip-shaped dust cage, a dust filtering structure communicated with the dust cage through a dust collecting pipe, and a suction ventilator arranged in the dust collecting pipe. The dust cage is internally provided with a yarn drum bracket and a plurality of yarn vertical shafts. A yarn outlet hole is formed in the side wall of the dust cage. The dust filtering structure comprises a boxy shell, a filtering plate arranged in the shell and an air outlet net arranged outside the filtering plate. According to the dust exhaust apparatus of the yarn drum group according to the invention, the whole yarn drum group can be placed in the dust cage, dust generated in the yarn drums in a relatively sealed space is collected, and the dust generating source is controlled. The dust exhaust apparatus of the yarn drum group collects dust more immediately, efficiently and thoroughly. One dust cage corresponds to the yarn drums in the yarn drum group, so that the dust exhaust apparatus of the yarn drum group is large in dust collecting range, and the structure is simplified, and the cost is lowered.

The invention relates to a manufacturing method of a vacuum external applied load insulation board, belonging to the technical field of vacuum insulation board manufacturing; the manufacturing method in the invention overcomes the disadvantages in the prior art, and provides a manufacturing method of a vacuum external applied load insulation board which is not easy to leak air and cave in, good in planeness, low in coefficient of heat conductivity and short in pumpdown time; in order to solve the technical problem, the technical scheme adopted in the invention comprises the following steps: firstly, loading a thermal insulating material in a PE (Polyethylene) layer aluminum foil composite membrane bag for shaping; secondly, carrying out extrusion forming on the PE layer aluminum foil composite membrane bag in a vacuum box; and finally, taking the formed vacuum insulation board from the vacuum box, and the manufacturing method is mainly used for manufacturing vacuum insulation boards.

The invention discloses textile fabric dyeing equipment with cleaning and dust removing functions, and relates to the field of textiles. The equipment comprises an equipment box; a vertical partitionplate is fixedly connected to the right side of the equipment box; a horizontal partition plate is fixedly connected to the top of the vertical partition plate; a through hole is formed in the bottomof the horizontal partition plate; a first motor is fixedly connected to the right side of the equipment box; the output end of the first motor penetrates through the equipment box and is connected with a driving screw; the outer side of the driving screw is in threaded connection with a transmission sleeve; and an upper sliding plate is fixedly connected to the lower portion of the transmission sleeve. During use, the first motor and a second motor are used for driving, the first motor drives an upper cleaning disc to rotate, and the second motor drives a lower cleaning disc to rotate so as to rotationally clean the upper surface and the lower surface of a textile fabric; in addition, the second motor can drive the textile fabric to move, so that the dust collection process is more thorough; and the first motor drives a lower sliding plate to move up and down on the right side of the vertical partition plate while rotating, so that dyeing liquid in the equipment box is promoted to flow, dyeing can be more sufficiently carried out, and the dyeing effect is good.

The invention relates to the field of industrial wastewater purification equipment, in particular to a filtering device for industrial wastewater purification and a using method thereof. The filtering device comprises a base, wherein a filtering mechanism used for filtering flocculate in wastewater is arranged on the base, a sewage disposal mechanism is arranged on the base, is used for sucking and discharging the flocculate filtered on the filtering mechanism, and is in transmission connection with the filtering mechanism, an air pumping mechanism is arranged on the sewage disposal mechanism, and is used for cleaning and dredging the filtering mechanism in an air blowing mode, and the sewage disposal mechanism is in transmission connection with the air pumping mechanism. According to the filtering device for industrial wastewater purification and the use method thereof, the sewage disposal mechanism drives the filtering mechanism to filter wastewater subjected to flocculation treatment, so that efficient filtration of the wastewater is maintained, the wastewater treatment efficiency and effect are improved, shutdown is not needed, continuous work of the whole device is achieved, the wastewater treatment efficiency is improved, and the cleaning difficulty and the labor intensity of the flocculate are reduced.

The invention discloses an efficient highway crack treatment device for highway engineering, and relates to the technical field of highway engineering, the efficient highway crack treatment device comprises a bottom plate, the top of the bottom plate is fixedly connected with a vertical plate, the top of the vertical plate is movably connected with a top plate, four corners of the bottom of the bottom plate are movably connected with rollers, and the right side of the bottom plate is fixedly connected with a pushing handle. A comprehensive spraying device is arranged and used for flushing the surface of a crack, when a water pump on one side of a water tank is started, water in the water tank is pumped out and conveyed to a spraying head through a telescopic pipe, a driving motor is started, a rotating block rotates and drives a rotating plate to rotate, a rotating rod, a rotating sleeve, a connecting rod and a sliding sleeve move at the same time, a sliding sleeve slides along the outer wall of a sliding rod, a telescopic block and a sleeve block move at the same time, due to the fact that a rotating plate continuously rotates, the angle is changed at the same time when a connecting rod moves, a telescopic pipe can move and rotate at the same time, a sprayer is convenient to move and rotate, the spraying range is large, cracks are more comprehensively cleaned, and the cleaning effect is better.

The invention discloses a dustproof intelligent electric power cabinet for electric power, which comprises a cabinet body, and is characterized in that a fixing plate in the horizontal direction is fixedly connected to the upper portion in the cabinet body, a dust removal box is fixedly installed on the upper portion of the left side of the fixing plate, a dust suction device is fixedly installedon the right side in the dust removal box, a second vertical sliding rail is fixedly connected to the middle of the lower surface of the left side of the fixing plate, a second vertical electric sliding cylinder is slidably installed on the right side of the second vertical sliding rail, a dust sensor is fixedly installed on the surface of the right side of the second vertical electric sliding cylinder, transverse sliding rails are fixedly connected to the upper side and the lower side of the middle in the cabinet body, transverse electric sliding cylinders are slidably installed on the surfaces of the transverse sliding rails, the number of the transverse sliding rails and the number of the transverse electric sliding cylinders are respectively two, a first vertical sliding rail is fixedly connected between the two transverse electric sliding cylinders, and a first vertical electric sliding cylinder is slidably mounted on the surface of the left side of the first vertical sliding rail. Dust in the cabinet body can be absorbed, automatic dust prevention is achieved, the defect of manual dust removal is overcome, and time and labor are saved.

The invention discloses a rubber grinding machine which comprises a machine box, a workbench, a supporting driving mechanism, a grinding device and dust collectors, the grinding device is fixed to the top of the workbench through the supporting driving mechanism, the dust collectors are fixed to the two sides of the inner wall of the machine box, exhaust holes are formed in one end of a grinding roller, and filter screens are fixed into the exhaust holes. A flow guide air channel is formed in the grinding roller and communicates with an cylindrical inner cavity, a friction ball is arranged in the cylindrical inner cavity, a dust removal device is arranged in the grinding roller and located on the inner wall of the cylindrical inner cavity, and a filtering device is arranged in the flow guide air channel and close to a port. The invention relates to the technical field of rubber polishing. According to the rubber grinding machine, the purpose of dust removal is achieved, dust can be removed step by step, dust accumulation and diffusion are reduced, grinding cracks are avoided, the grinding quality is high, meanwhile, dust suction by a human body is reduced, human health is facilitated, and the use performance is improved.

The invention discloses a scraper blade dust-collection blackboard eraser with a handle. The scraper blade dust-collection blackboard eraser comprises scraper blades, a plate body and the handle. The scraper blade dust-collection blackboard eraser is characterized in that the scraper blades are fixedly connected to the surface of the plate body; the inside of the plate body is of a cavity structure, the inside of the plate body connected with the scraper blades is evenly distributed with small dust-collection holes, and the periphery of each scraper blade is distributed with a circle of big dust-collection holes; and one end of the handle is fixedly connected with the plate body, the inside of the handle is of a cavity structure, and the other end of the handle is fixedly provided with a dust collector. According to the scraper blade dust-collection blackboard eraser, the plate body is provided with the dust-collection holes, a cavity in the plate body is connected with a handle cavity, the stroke of dust led into the dust collector through dust-collection through holes is shortened, and the problem that the dust can be scattered everywhere to pollute the air of a classroom in the cleaning process of a blackboard is solved; and meanwhile, due to the handle with the length being 400mm-800mm, the range of blackboard cleaning by elementary school students or scrubby students can be widened. The scraper blade dust-collection blackboard eraser with the handle is simple in structure, thorough in dust collection, convenient and easy to use, and easy to produce and popularize.

The invention relates to a blackboard with a solar dust collection frame, and belongs to the technical field of teaching equipment. The blackboard comprises a blackboard body, the frame, a first dustcollection device, a second dust collection device and a solar power generation device, wherein the frame is arranged on the periphery of the blackboard body, the frame is arranged to be a hollow closed channel, the first dust collection device comprises a first dust collector, a first dust suction main pipe, a first dust suction pipe and first dust suction holes, the second dust collection devicecomprises a second dust collector, a second dust collection main pipe, a second dust collection pipe and second dust collection holes, the solar power generation device comprises a solar cell and a storage battery, and the solar cell is installed outside a window. According to the blackboard with the solar dust collection frame, the first dust suction device and the second dust suction device arearranged so that dust on the surface of the blackboard can be sucked in all directions, the dust collection efficiency is high, and the dust collection is thorough; and the solar power generation device is arranged so that energy can be effectively saved, the physical health of students in a classroom can be protected against hurt, and good teaching environments in the classroom can be kept.

The invention discloses a floating oil removing device which comprises an oil suction assembly, a pneumatic device and an oil collection box, and the pneumatic device is provided with a gas inlet, anoil discharge port and an oil suction port; the gas inlet, the oil discharge port and the oil suction port are communicated with one another; the calibers of the oil discharge port and the oil suctionport are gradually reduced from outside to inside; the oil suction assembly comprises an oil suction pipe and an installation base arranged on the oil suction pipe in a sleeving mode. One end of theoil suction pipe is immersed into a liquid level, and the other end is connected with the oil suction port; the oil outlet is connected with the oil collecting box; the gas inlet is externally connected with a gas source; and the mounting base is fixed on the liquid tank. Compressed air is input at a certain pressure through the gas inlet, negative pressure can be formed in the space where the oiloutlet and the oil suction port intersect through reducing of the port, floating oil on the liquid level can be sucked into the oil suction pipe through the negative pressure and then discharged intothe oil collecting box through the oil outlet, and then removal of the floating oil on the liquid level is achieved.

The invention relates to a top-close draft type range hood, which comprises a case mounted on a wall body and an exhaust fume-collecting hood obliquely connected with the lower part of the case, the case is provided with a front end surface and a rear end surface, the exhaust fume-collecting hood is provided with an exhaust fume-collecting panel, which is provided with a fume-sucking inlet, the exhaust fume-collecting panel is curved inwards and extended out of the front end surface of the case from the bottom up along the bottom of the rear end surface of the case, the distance Alpha between the extended tail end of the curved exhaust fume-collecting panel and the front end surface of the case is about 170mm to 180mm, and the included angle Beta between the straight connecting broken line drawn between the initial and the tail ends of the curved exhaust fume-collecting panel and the rear end surface of the case is about 50 degrees to 60 degrees. The structure of the range hood is simple and reasonable, the range hood can thoroughly suck fume, and moreover, the head of an operator cannot be bumped during use.

The invention provides an inpatient ward disinfecting machine, which is composed of a high pressure generator (1), a central control room (2), a control circuit (3), a high-voltage positive electrode(4), a high-voltage electrode discharge needle (5), a high-voltage negative electrode conducting cylinder (6), a positioning buckle bolt (7), a substrate (8), a high-voltage negative electrode contactelastic piece (9), a positive electrode discharging needle fixing nut (10), an axial flow fan (11), a high-voltage positive electrode substrate (12), an insulation isolating layer (13), a box body reinforcing rib (14), a tubular type exhaust fan (15), a working displayer controller (16), and a safety shutter (17), and others; the inpatient ward disinfecting machine is characterized in that air enters from the substrate (8) to an air ionization chamber consisting of the high-voltage negative electrode conducting cylinder (6) and the high-voltage electrode discharge needle (5) for ionization, and then poisonous and harmful gases are decomposed by ionization, powder and impurities are captured on the high-voltage negative electrode conducting cylinder (6), thus the purposes of purifying, filtering, refreshing and disinfecting air are realized.

The invention discloses a novel intelligent dust removal filter bag which comprises a fixing frame, a dust removal filter bag and a filter, the dust removal filter bag is arranged at the top of the fixing frame, the outer side of the fixing frame is fixedly connected with a hoop, one end of the hoop is fixedly welded to one side of the fixing frame, and a top cover is arranged at the top of the dust removal filter bag. A connecting port is fixedly connected to one side of the dust removal filter bag, a connecting pipe is fixedly connected to one end of the connecting port, the top of the connecting pipe is fixedly connected with the bottom of a filter, and a dust inlet is formed in the center end of the top of the filter; and a first filter screen, a second filter screen and a third filter screen are sequentially arranged in the filter from top to bottom. According to the novel intelligent dust removal filter bag, the built-in bag is an anti-static filter bag, the thickness of the built-in bag is 1-3 mm, the built-in bag is the anti-static filter bag, dust is prevented from being sucked by generated static electricity, cleaning is difficult, the structure is simple, the design is novel, and high dust removal efficiency is achieved.

The invention relates to a ring-shaped suctioning nozzle applied in dust suctioning on the internal surface of a dust cage and belongs to the technical field of dust removing equipment. The ring-shaped suctioning nozzle comprises a supporting drum (1) and a front disc (3), wherein the front disc (3) is fixedly arranged at the front side of the supporting drum (1); and a ring-shaped slotted suctioning port (4) is formed between the supporting drum (1) and the front disc (3). The ring-shaped suctioning nozzle has the advantages that fine dusts on the internal surface of the dust cage can be thoroughly cleared and suctioned by one time, no rolling is caused to the fine dust, and no damage is caused to filtering materials, so that the efficiency and the effect of dust suctioning are greatly improved.

The invention belongs to the technical field of tea set drainage, and particularly relates to a novel tea set electric drainage system with remote control. The system comprises a water pumping pipe, afiltering box, a suction box, a drainage pipe and a liquid collecting barrel, and further comprises a control remote controller, wherein joints are arranged at the two ends of the water pumping pipeand one end of the water drainage pipe, the joint at one end of the water pumping pipe is connected with an outlet of a tea tray, the filtering box is arranged on a pipeline of the water pumping pipe,the filtering box comprises an outer box body, a U-shaped pipe is arranged in the outer box body, the two ends of the U-shaped pipe are communicated with the water pumping pipe, a filtering layer isarranged on the side, which is away from the tea tray, in the U-shaped pipe, the drainage effect is controlled through remote control, the operation is convenient, and the pumping is thorough; throughthe arrangement of the filtering box, tea leaves or impurities in tea water can be filtered, and the situation that a water pumping pipe is blocked after long-time use is avoided; and through the arrangement of the joints, the system can be suitable for connection of tea tray outlets of different sizes, the application range is wide, and the practicability is high.

The invention provides a band sawing machine for cutting carbon-fiber products. The band sawing machine comprises a workbench, a band saw machine and a dust sucking device, wherein the band saw machine is vertically fixed on the workbench; the band saw machine comprises a band saw blade and a saw holder; one part of the band saw blade is positioned in the saw holder, and the other part of the band saw blade, which is positioned out of the saw holder, is used as an operation section; the operation section of the band saw blade penetrates through a sawing groove in the direction perpendicular to the workbench; the dust suction device comprises a section of a bent dust sucking pipe; a dust sucking opening is formed in one end of the bent dust sucking pipe; a hole is formed in the bent point of the bent dust sucking pipe; the section with the dust suction inlet, of the bent dust sucking pipe, is perpendicular to the workbench and is fixed under the workbench; the dust suction sucking opening faces upwards; the operation section of the band saw blade penetrates through the upright section of the bent dust sucking pipe from the dust suction inlet and stretches out from the hole. Compared with the prior art, the band sawing machine disclosed by the invention is characterized in that according to the law of universal gravitation, the operation section of the band saw blade is designed to move downwards so as to cut workpieces, and the operation section of the band saw blade is directly arranged in the dust sucking pipe, so that dust suction points are more concentrated, and dust removal is more thorough.

The invention discloses a full-automatic high-speed film laminating machine. The full-automatic high-speed film laminating machine comprises a film laminating machine body, a conveying belt is arranged on the surface of the film laminating machine body, paper is conveyed on the surface of the conveying belt, a first transmission pressing wheel shaft is arranged at one end of the film laminating machine body, and a second transmission pressing wheel shaft is arranged at the other end of the film laminating machine body, the surface of the inner side of the film laminating machine body is connected with a shaft rod through a shaft, a spiral brush strip is arranged on the outer surface of the shaft rod and attached to the surface of paper, a dust suction pipe barrel is arranged on the surface of the inner side of the film laminating machine body, and a dust suction opening is formed in the surface of the lower end of the dust suction pipe barrel. By arranging a cleaning and a brushing assembly and a dust collection assembly, powdered scraps on the surface of paper can be cleaned, the film covering precision is guaranteed, the two sets of transmission pressing wheel shafts and the spiral brush strip are driven by a single motor, use of driving equipment is reduced, and the cost is reduced.

The invention discloses a central air conditioner pipeline cleaning and disinfecting device, and relates to the technical field of central air conditioner pipeline cleaning and disinfecting devices. The central air conditioner pipeline cleaning and disinfecting device comprises a placing plate, and cleaning and disinfecting device fixing portions are installed on the two sides of one end of the placing plate; and a pair of side plates is fixedly connected to the top of the placing plate, and a disinfecting pipe winding frame and a safety rope winding frame are rotationally connected between the pair of side plates. According to the central air conditioner pipeline cleaning and disinfecting device, the structure is reasonable, a disinfecting portion is arranged, so that a central air conditioner pipeline can be conveniently disinfected; a dust collecting portion and a dust cleaning portion are arranged, so that dust in the central air conditioner pipeline can be conveniently cleaned, collected and treated in a centralized mode; a camera and an illuminating lamp are arranged, so that the internal condition of the central air conditioner pipeline can be conveniently observed, and the cleaning and disinfecting device can be conveniently operated; and the cleaning and disinfecting device can be used for cleaning and disinfecting the dust in the central air conditioner pipeline, and thus, the circumstance that a large amount of dust is accumulated in the pipeline and enters a room, and the air cleanliness of the room is influenced is avoided.

The invention provides a paint spraying dust removal device. A dust suction inlet is arranged on the upper portion of a dust suction barrel, the lower portion of the dust suction barrel is communicated with a dust suction cavity, a dust suction fan is mounted on one side of the dust suction cavity, an air outlet of the dust suction fan is communicated with the dust suction cavity, the upper portion of the dust suction cavity is communicated with a dust filter via a guide tube, a filtering material layer is filled in the dust filter, the bottom of the dust filter is connected with a dust exhaust fan via a pipeline and is communicated with the upper portion of a dust collector via a pipeline, a dust collecting opening is arranged on the upper portion of the dust collector, a dust conveying pipe is parallel to a dust suction opening tube, a passage is formed by the dust conveying pipe and the dust suction opening tube, and the dust conveying pipe is connected with a controller. As a plurality of dust suction openings are distributed in a paint spraying room and connected with the fan by the dust conveying pipe, accordingly, dust on working surfaces at various angles of the paint spraying room can be sucked, dust suction is thorough, and effects are good. In addition, the paint spraying dust removal device is favorable for environmental protection and health of operators, and is suitable for being used when paint is sprayed on surfaces of ships during construction of the ships.

A softgel evacuation system solves the problem of high defective rate of products due to incomplete evacuation in the present softgel preparation process. The softgel evacuation system comprises a vacuum pump, a buffer tank, a vacuum dirt collecting tank and a reaction kettle, the vacuum pump is connected with the buffer tank, the buffer tank is connected with the reaction kettle through a pipe fitting, a condenser is sleeved on the pipe fitting, the vacuum dirt collecting tank is arranged at the bottom of the buffer tank, a first control valve is arranged between the vacuum dirt collecting tank and the buffer tank, and the discharging hole of the vacuum dirt collecting tank is provided with a second control valve. The installation of the condenser and the vacuum dirt collecting tank in the invention guarantees the long-time uninterrupted running of the system, so the evacuation in the product preparation process is thorough, continuous production is realized, and the product production efficiency is increased.

The invention relates to an intelligent type multi-suction-hole air returning filter. The intelligent type multi-suction-hole air returning filter comprises a fixed dust cage (1), wherein a dust collection trolley (2) capable of doing reciprocating motion from left to right is arranged on the rear side of the fixed dust cage (1); the dust collection trolley (2) is provided with a plurality of movable suction boxes (2.2) from top to bottom; each movable suction box (2.2) is provided with an annular suction nozzle (2.3.4) which can do reciprocating motion from front to back; a vertical air channel (7) is arranged on the dust collection trolley (2); the rear ends of the plurality of movable suction boxes (2.2) are communicated with the vertical air channel (7); a transverse air channel (4) is arranged under the vertical air channel (7); and the lower end of the vertical air channel (7) is communicated with the transverse air channel (4). The intelligent type multi-suction-hole air returning filter provided by the invention has the advantages of small occupying area, large filtering area, high filtering efficiency, simplicity in maintenance, convenience in installation, simplicity in machining, low product cost and the like.

An intelligent detachable vehicle-mounted vacuum cleaner and its method according to the present invention include a first device, a groove is arranged on the top of the first device, a second device is matched in the groove, a groove is arranged on the top of the second device, and The groove of the second device is matched with a third device, the first device is provided with a first dust suction fan and a first filter box, the second device is provided with a second dust suction fan and a second filter box, and the third A third dust suction fan and a third filter box are arranged in the device, and the inner cavity of the first device communicates with the inner cavity of the second device through the air outlet of the third device. The intelligent detachable vehicle-mounted vacuum cleaner adopts the combined structure design of the first device, the second device and the third device, which can not only form a whole large-volume vacuum cleaner, but also has greater attraction and higher dust collection efficiency. Separated and used independently, it is not only convenient to clean the gaps, but also can be used as an air purifier to make full use of resources.

The invention relates to a vacuum box for applying load in vacuum to manufacture a vacuum thermal insulation plate, belongs to the technical field of manufacture of vacuum thermal insulation plates, and overcomes the shortcomings in the prior art. The vacuum box for applying the load in vacuum to manufacture the vacuum thermal insulation plate cannot leak air or fall easily and is good in flatness, low in coefficient of heat conductivity, short in vacuum-pumping time and low in manufacturing cost. To solve the technical problems, the technical scheme is that air-tight doors are arranged at two ends of a box body, a plurality of second hydraulic oil cylinders are symmetrically arranged at two ends of the top of the box body, a plurality of first hydraulic oil cylinders are arranged on two sides of the box body, pressure plates are fixedly arranged on piston rods of the first hydraulic oil cylinders, and electric heating sealing strips are arranged at corresponding positions of the pressure plates and support plates. A guide rail is arranged on a top wall of the box body, a clamp is movably arranged on the guide rail, and a vacuum-pumping system is further arranged on the top wall of the box body. The vacuum box is mainly used for processing the vacuum thermal insulation plate.

The invention relates to a manufacturing method of a vacuum external applied load insulation board, belonging to the technical field of vacuum insulation board manufacturing; the manufacturing method in the invention overcomes the disadvantages in the prior art, and provides a manufacturing method of a vacuum external applied load insulation board which is not easy to leak air and cave in, good in planeness, low in coefficient of heat conductivity and short in pumpdown time; in order to solve the technical problem, the technical scheme adopted in the invention comprises the following steps: firstly, loading a thermal insulating material in a PE (Polyethylene) layer aluminum foil composite membrane bag for shaping; secondly, carrying out extrusion forming on the PE layer aluminum foil composite membrane bag in a vacuum box; and finally, taking the formed vacuum insulation board from the vacuum box, and the manufacturing method is mainly used for manufacturing vacuum insulation boards.

A softgel evacuation system solves the problem of high defective rate of products due to incomplete evacuation in the present softgel preparation process. The softgel evacuation system comprises a vacuum pump, a buffer tank, a vacuum dirt collecting tank and a reaction kettle, the vacuum pump is connected with the buffer tank, the buffer tank is connected with the reaction kettle through a pipe fitting, a condenser is sleeved on the pipe fitting, the vacuum dirt collecting tank is arranged at the bottom of the buffer tank, a first control valve is arranged between the vacuum dirt collecting tank and the buffer tank, and the discharging hole of the vacuum dirt collecting tank is provided with a second control valve. The installation of the condenser and the vacuum dirt collecting tank in the invention guarantees the long-time uninterrupted running of the system, so the evacuation in the product preparation process is thorough, continuous production is realized, and the product production efficiency is increased.

The invention provides a movable road surface environment-friendly automatic dust collecting device. The device comprises a mounting box; a protective cover which is fixed at the bottom of the mounting box; and two dust collection assemblies which are rotationally connected to the two sides of the bottom of the mounting box correspondingly, each dust collection assembly comprises a dust collection main pipe, the dust collection main pipes are rotationally connected to the bottom of the mounting box, and sweeping pieces are fixedly connected to the positions, located in the protective covers, of the surfaces of the dust collection main pipes. According to the movable road surface environment-friendly automatic dust collecting device, the dust collection assembly is arranged, a sweeping piece is driven by a dust collection main pipe to rotate, dust on the ground is swept and raised, and the dust is adsorbed by matching with the dust collection main pipe and a dust collection branch pipe; and meanwhile, the dust suction pipe on the upper side can suck a small amount of dust in air outside the mounting box at the same time, the dust suction effect is improved, and dust suction is more thorough.