51results about How to "Reduce fly-out" patented technology

The invention relates to a grinder, in particular to a plastic grinder. The plastic grinder comprises a grinder body, a moving cutter, a fixed cutter and a screen plate, wherein the moving cutter and the fixed cutter are arranged inside the grinder body; the screen plate is arranged below the moving cutter and the fixed cutter; a shifting wheel cutter is mounted inside the grinder body and in a position above the moving cutter and the fixed cutter, the rotation direction of the shifting wheel cutter is opposite to that of the moving cutter, and the shifting wheel cutter is rotationally occluded with the moving cutter; the grinder body adopts a closed box body structure; a feed inlet with a material splashing prevention device is formed in the upper part of the grinder body; a discharge opening matched with the bag mouth of a packaging bag is formed in the lower part of the grinder body. The plastic grinder solves the problems that a conventional grinder has low working efficiency at a low rotating speed, when the conventional grinder operates at a high rotating speed, ground raw materials fly up under the action of the centrifugal force of the ground materials and a moving cutter and a fixed cutter cannot sufficiently occlude the ground materials so as to waste power. The plastic grinder has high working efficiency; a conventional grinder with the same power only grinds 1 ton of plastics each hour, but the plastic grinder can grind 3 tons of plastics each hour; the plastic grinder adopts the closed structure, so that the phenomenon that dust flies out in the working process of the plastic mill is avoided, and environmental pollution is reduced.

The invention discloses waste plastic cutting machining equipment. The waste plastic cutting machining equipment comprises a first smashing machine and a second smashing machine; the first smashing machine comprises a cutting box, a feeding opening is formed in the upper end of the cutting box, a transverse plate is horizontally arranged in the cutting box, a cutting assembly is arranged between the transverse plate and the top of the cutting box, and the bottom of the cutting box is arranged in an inclined manner; an outlet is formed in one side face of the cutting box, a material via way is connected to one side of the outlet, and the material via way and the cutting box are blocked by a first baffle; the second smashing machine comprises a smashing box, the smashing box is arranged at the lower end of the material via way, the upper end of the smashing box is provided with a push plate, a first motor is installed at the midpoint of the lower end face of the smashing box, and a smashing cutter is installed inside the smashing box and penetrates the bottom face of the smashing box to be connected with the first motor; and a second motor and a third motor are installed on the upper side of the front end of the smashing box, a first rotating shaft and a second rotating shaft are arranged at the upper end of the interior of the smashing box, and chopping knives are installed on the first rotating shaft and the second rotating shaft correspondingly.

The invention relates to the technical field of foundation pit construction, in particular to a foundation pit earth-rock excavation blasting method. The method comprises following steps: step 1, on-site investigation: a blasting site is investigated; step 2, formulation of a blasting scheme: the blasting scheme is formulated according to the on-site investigation; step 3, construction preparation: personnel allocation is carried out before construction, and blasting materials are transported and prepared simultaneously; step 4, drilling: blast holes are formed in a blasting area through drilling by drilling equipment at equal intervals; step 5, charging: the blast holes are filled with explosives, and detonators are inserted into the blast holes; step 6, guarding protection: the blastingarea is detected to determine that no personnel or equipment exists in the blasting area, meanwhile, the blasting area is guarded, and protective equipment for preventing stone which is blown up fromflying out of the blasting area is arranged; and step 7, detonation: the explosives are detonated. The foundation pit earth-rock excavation blasting method has the effects that the stone which is blown up can be protected, the probability of the stone flying out of the blasting area is reduced, and the probability of causing safety accidents is reduced.

The invention relates to the technical field of casting and discloses novel casting equipment easy to demold. The casting equipment comprises an upper sand box, a lower sand box, an upper sand box fixing frame and a lower sand box supporting platform. The upper sand box fixing frame comprises four symmetrically arranged stand columns. Hydraulic lifting sliding blocks are mounted in the middles of all the stand columns and connected with cross arms. One ends of the cross arms are connected with the hydraulic lifting sliding blocks, and the other ends of the cross arms are connected with the upper sand box. A hydraulic compacting machine is mounted at the tops of the stand columns. All the four corners of the bottom of the lower sand box supporting platform are connected with lifting supporting rods of the lower sand box supporting platform. Baffles are mounted between the stand columns. A top plate is mounted at the tops of the stand columns. A closed space is formed by the baffles and the top plate. Water mist spraying pipes are mounted on the lower surface of the top plate and communicate with a water mist generator through water pipes. The inner surface of the upper sand box and the inner surface of the lower sand box are both coated with surface active agents. The casting equipment is high in integration, convenient to use, low in manufacturing cost and high in casting efficiency, sand box demolding is easy, and environment pollution is avoided.

The invention discloses a polypropylene composite material for the shell of the filter bottle of a water purifier. The polypropylene composite material is characterized by comprising homo-polypropylene, co-polypropylene, a Vistamaxx elastomer, a filler, an antioxidant, a lubricant, an antibacterial agent, a nucleating agent, and titanium dioxide according to a ratio of (59.2-69.2):(14-20):(1-3):12:0.4:0.3:1:0.1:2; wherein the isotacticity of homo-polypropylene is not less than 96%, the melting index is not more than 6g/10min; the melting point of co-polypropylene is not higher than 140 DEG C;and the melt flowing speed of the Vistamaxx elastomer is greater than 500g/10min. After spinning melting processing, the strength of the fusion face of the composite material is high, and thus the composite material can bear a high circulation water pressure, will not be broken, and can be used to prepare a water purifier filter bottle shell.

The invention discloses a coal smashing device which comprises a smashing bin, a motor, a coal guide hopper, a coal receiving hopper, a coal conveying pipe, a coal lifting hopper, an electromagnetic valve, a dust collecting pipe, a dust removing device, a fan and a gas outlet pipe. The motor and a feeding barrel are arranged on the top of the smashing bin, the smashing bin is sealed, and the motor is a bi-directional rotary motor; the motor is in drive connection with a spindle, a stirring paddle is arranged on the upper side of the spindle, and a movable cone is arranged below the stirring paddle; movable cutters are arranged on the outer surface of the movable cone, protrusions are arranged on the lower side of the smashing bin and are matched with the movable cone, and fixed cones are arranged on the surfaces of the protrusions; a bin is arranged below the movable cone and the fixed cones; the bin is connected with the coal guide hopper, the coal receiving hopper is connected with the bottom of the coal guide hopper and is connected with the coal lifting hopper by the coal conveying pipe, and the electromagnetic valve is arranged on the coal conveying pipe; the dust collecting pipe is arranged on the top of the coal receiving hopper and is connected with an air inlet of the dust removing device. The coal smashing device has the advantages that the coal smashing device is safe in use, good smashing effect and dust removing effects can be realized, and accordingly the physical health of staffs can be guaranteed.

The invention discloses automatic pruning equipment for long-branch plants outside a fence. The automatic pruning equipment comprises a vehicle body, a pruning part, a smashing part and a taking part. During use, firstly, the vehicle body moves close to the fence, a stepping motor drives a lifting frame to move up and down so as to adjust the height of the pruning part, a servo motor drives a rotating bracket to rotate by a certain angle, pruning is conducted through electric scissors, and branches of different heights and angles can be sheared more conveniently; meanwhile, the branches are poured into a twisting-in shaft through the taking part, the branches are extruded into a crushing box through rotation of the twisting-in shaft, a crushing shaft is driven by a crushing gear to rotate to crush the branches, powder is leaked into a garbage collection box, after the powder reaches a specified position, a manual control rod is manually pulled to drive a rotating rod to rotate so as to drive a pull rod to pull an overturning plate upwards to leak the powder, and therefore the space is saved; and meanwhile, the powder can be used as fertilizer, so that integrated pruning, collecting and crushing are realized.

The invention provides an anti-collision, energy-saving and sweeping width and angle adjustable cleaning mechanism of a sweeping vehicle, which is used for solving the problems that in the prior art,the sweeping mechanism is easy to collide with obstacles, large in maintenance cost, large in energy consumption and unadjustable in sweeping angle. The cleaning mechanism comprises a side brush support, the side brush support is hinged to an side brush swing arm support, the edge brush swing arm support is hinged to a side brush swing arm, the side brush swing arm is connected with a mounting piece of an side brush motor, the side brush motor mounting piece is provided with the side brush motor, the output end of the side brush motor is connected with the sweeping brush, and one end of a tension spring is connected with the side brush swing arm support and the other end of the tension spring is connected with the side brush swing arm. According to the cleaning mechanism, the sweeping brush and the motor can be prevented from being collided to the maximum extent, the sweeping width can be adjusted, the operation is convenient, the passing rate of the sweeping vehicle is greatly improved, the energy is saved, the cleaning mechanism can be used in cooperation with the rear fixing side brush, the cleaning mechanism can be used in multiple stages, the universality is high, and the installation is convenient.

The invention discloses an unpowered roller line, and relates to the technical field of logistics conveying. The unpowered roller line comprises two parallel first frame plates; a second frame plate is arranged at one end of each first frame plate, and a third frame plate is arranged at the end, away from the corresponding first frame plate, of each second frame plate; a plurality of rollers are rotationally connected between the inner sides of the two first frame plates in the length direction of the first frame plates, between the inner sides of the two second frame plates in the length direction of the second frame plates and between the inner sides of the two third frame plates in the length direction of the third frame plates; each second frame plate is formed by sequentially splicing a straight line section I, an arc section I, an arc section II and a straight line section II; the arc section I is tangent to the linear section I, the arc section II is tangent to the linear section II, and the arc section I is also tangent to the arc section II; and the top and the bottom of the linear section I are flush with the tops and the bottoms of the first frame plates correspondingly. The unpowered roller line has the beneficial effects that objects can be conveyed conveniently, and accumulation, falling and the like of the objects in the conveying process are reduced.

The invention discloses a construction waste recycling and crushing device for construction waste treatment, and relates to the technical field of construction waste treatment. The device comprises a base, crushing assemblies, moving mechanisms, a screening mechanism and a collecting box, and the crushing assemblies are connected into a fourth-stage crushing box, a third-stage crushing box, a second-stage crushing box and a first-stage crushing box; and the fourth-stage crushing box and the third-stage crushing box, the third-stage crushing box and the second-stage crushing box, and the second-stage crushing box and the first-stage crushing box are connected through moving mechanisms, and the screening mechanism is connected to the middle position of the top face of the base. According to the device, the crushing direction can be alternately changed, the crushing quality is further improved, the garbage crushing effect is further enhanced, the two adjacent crushing boxes can be separated through the action of the moving mechanisms, the crushing assembly in each crushing box can be conveniently cleaned or maintained, the crushing box can be conveniently replaced by a new crushing box, and parts in the device are very convenient to maintain and clean.

The invention discloses a novel efficient casting device capable of achieving easy demoulding. The novel efficient casting device capable of achieving easy demoulding comprises an upper sand box, a lower sand box, an upper sand box fixing frame and a lower sand box supporting platform. The upper sand box fixing frame comprises four symmetrically arranged stand columns. Hydraulic lifting sliding blocks are installed in the middles of the stand columns and connected with cross arms. One ends of the cross arms are hinged to the hydraulic lifting sliding blocks through hinges, and the other ends of the cross arms are hinged to the upper sand box through hinges. A hydraulic compactor is installed at the tops of the stand columns. The four corners of the bottom of the lower sand box supporting platform are hinged to lifting supporting rods through hinges. Baffles are installed between the stand columns, and one of the baffles is provided with an operation door. A top plate is installed at the tops of the stand columns, and a confined space is formed by the baffles and the top plate. A water mist spraying pipe is installed on the lower surface of the top plate. The inner surfaces of the upper sand box and the lower sand box are both coated with surface active agents. The novel efficient casting device capable of achieving easy demoulding is high in integration degree, convenient to use, low in manufacturing cost, good in moulding quality, high in efficiency, high in casting efficiency and free of environment pollution, and demoulding of the sand boxes is easy.

The invention discloses a drying system capable of preventing agglomeration of calcium carbonate powder. The drying system comprises an oven shell, a feeding unit, and a heat supply unit for providingheat; the oven shell is provided with a feed port, a discharge port and an exhaust port; the feeding unit is formed by joining multiple feeding modules end to end; each feeding module comprises a traction roller, and a conveying belt arranged on the traction roller; the head end of the first feeding module is positioned under the feed port; the tail end of the final feeding module is positioned above the discharge port; a dispersing device is arranged in the oven shell, is mounted in the oven shell, and is positioned under discharge ends of the feeding modules; the dispersing device comprisesa leading plate, an outer shell and a centrifugal device; the leading plate takes the shape of a funnel with large top and small bottom; and a large end of the leading plate is positioned under a discharge end of the conveying belt. The drying system can effectively prevent agglomeration of calcium carbonate during drying, can effectively improves the product quality, and meanwhile, achieves a better drying effect.

The present invention discloses an invisible anti-collision linear motor. The invisible anti-collision linear motor comprises a primary part, a secondary part, a substrate, a first sliding block, a second sliding block, a first guide rail, a second guide rail, invisible mechanical anti-collision devices and end plates, the secondary part is installed on the substrate, the substrate is provided with the first guide rail and the second guide rail, the substrate is provided with a first bar-shaped groove and a second bar-shaped groove, the first sliding block slidingly connected with the first guide rail and the sliding block slidingly connected with the second guide rail are fixed on the primary part, the two ends at the internal portion of the first bar-shaped groove and the two ends of theinternal portion of the second bar-shaped groove are respectively provided with the invisible mechanical anti-collision devices, the two end faces of the substrate are respectively provided with theend plates, a first stop block and a second stop block are fixed on the primary part, the first stop block is slidingly connected with the first bar-shaped groove, and the second stop block is slidingly connected with the second bar-shaped groove. The invisible anti-collision linear motor has function of buffer and mechanical clamping so as to greatly improve the protection of the motor, and is elegant in appearance.

The invention discloses a rapid winding device for thermo-sensitive paper and a using method thereof. The device comprises a transverse plate, a winding assembly, a protection assembly and a cooling assembly, wherein the top of the transverse plate is connected with a winding heating assembly, the two sides of the bottom of the transverse plate are detachably connected with supporting plates, a base is detachably connected between the bottoms of the supporting plates, the surface of the base is connected with the cooling assembly, and the interior of the winding heating assembly is cooperatively connected with the winding protection assembly. The cooling assembly comprises a frame, an opening is formed in the frame, a plurality of transverse rods are detachably connected between the interiors of the opening, electric motors are connected to the surfaces of the transverse rods in a matched mode, fan blades are detachably connected to the tops of the electric motors. Flying-out of sundries is reduced through a filter screen. The whole thermal paper winding device has a function of rapidly cooling the surface of the thermal paper during winding and storage, so that the deformation problem during subsequent storage is reduced, and a mode of reducing pollution during winding is provided.

The invention relates to a novel arc extinguishing grid type load switch suitable for C4F7N environment-friendly gas. The load switch comprises an installation seat, wherein an arc extinguishing mechanism and a grounding contact seat are installed on the installation seat, the arc extinguishing mechanism comprises a supporting insulator, a static contact seat and an arc extinguishing chamber, thearc extinguishing chamber comprises an arc extinguishing grid frame and a plurality of arc extinguishing grid sheets installed on the arc extinguishing grid frame, the static contact seat is a right-angle plate, one right-angle side of the static contact seat is connected with the arc extinguishing grid frame, the other right-angle side of the static contact seat is connected with the supporting insulator, the supporting insulator is connected with the mounting seat, and a current blocking groove and a copper-tungsten arc contact are arranged on the right-angle side of the static contact seatconnected with the arc extinguishing grid frame. The load switch is advantaged in that the load switch is a special load switch developed for being matched with the novel environment-friendly gas C4F7N, a three-station knife type load switch is adopted, arc extinguishing gate type arc extinguishing is adopted in an arc extinguishing mode, and the requirement for the breaking capacity of the load switch in the C4F7N gas is met by adjusting the structure of the load switch.

The invention relates to the technical field of reflective fabrics, and discloses cutting equipment for reflective fabric preparation. The cutting equipment comprises a first support column, a cutting knife, a dust baffle, a dust collector, a rocker, a gear, an upper rack, a lower rack, a short flattening rod, a long flattening rod and other structures, and is characterized in that a dust baffle device is arranged behind the cutting stroke of the cutting knife, so that foreign matter such as chippings and the like generated in the cutting process can be prevented from flying out; the dust collection function of the dust collector is matched, foreign matter cleaning is conducted while the reflective cloth is cut, and foreign matter pollution is reduced; the rocker drives the gear to rotate, and the upper rack and the lower rack are engaged, so that the short flattening rod above the gear and the long flattening rod above the lower rack move towards the two sides; and the length of a first supporting rod and the length of a third supporting rod are matched, the short flattening rod and the long flattening rod make contact with the reflective fabric, so that the function that the reflective fabric is flattened is achieved, operation can be conducted by one person, labor force is reduced, and convenience and quickness are achieved.

The invention discloses a drug crushing device for pediatric nursing, and relates to the technical field of ceramic medical treatment apparatuses. The device comprises an air handling box, wherein a grinding device is mounted at the front side of the upper end of the air handling box; a pneumatic cyclone separating device is connected to the front side of the grinding device; the grinding device comprises a guide housing which is fixed to the front side of the upper end of the air handling box; a semispherical filtering net is mounted at a through hole in a fitting manner; a grinding ball is fixed to the lower end of a connecting rod; an air outlet tube is rotatably mounted at the inner rear side of the guide housing; the pneumatic cyclone separating device comprises a pneumatic cyclone barrel, a tapered barrel and an air exhausting tube; and tapered edible sweet wrapper is arranged close to the inner sidewall of the tapered barrel. The device has the beneficial effects that air is blown through high pressure in order to remove the surface, so that the waste is reduced, and the next drug crushing operation is conveniently carried out; and meanwhile, the device is matched with the pneumatic cyclone separating device, so that drug particles can be quickly greatly separated and collected; and the edible sweet wrapper is damaged a little and achieves drug collection.

The invention discloses a remote pressure gauge which comprises a pressure gauge main body, a Hessmann junction box, a pressure sensor, an integrated module, a movement and a spring tube. A dial, tempered glass and a cover are successively arranged in the inner cavity of the pressure gauge main body from the inside out. The cover and the pressure gauge main body are movably clamped. A sealing ringis fixedly connected with the movable clamp joint of the cover and the pressure gauge main body. The tempered glass is fixedly connected between the dial and the cover. The pointed number on the dialgradually increases in a clockwise direction. A first touch panel is fixedly connected with the upper right corner of the front surface of the dial. According to the invention, a pointer, an indicator light, a power supply, a first speaker, a second speaker, the first touch panel and a second touch panel are designed, so that the design scheme has the advantages of simple structure, convenient use and good early warning effect; when the remote pressure gauge is used, the safety of the remote pressure gauge can be effectively improved; and the personal safety of staff can be protected.

The invention provides novel insect killing equipment with an electric light source. The novel insect killing equipment comprises a lamp support, a lamp cap, the electric light source, an inner lampshade, an outer lampshade and a water diversion box. An insect attracting plate is installed at the position, corresponding to the outer lampshade, below the lamp cap. The insect attracting plate is connected to the upper end of the outer lampshade through a plurality of connecting columns. The cross section of the insect attracting plate is in an arc shape. The insect attracting plate protrudes in the direction away from the outer lampshade. A black non-reflecting layer is arranged on the portion, located on the inner wall of the outer lampshade, of the insect attracting plate, wherein the inner wall is at the side, away from the inner lampshade, of the outer lampshade. A reflecting mirror is arranged on the portion, located on the inner wall of the outer lampshade, of the insect attracting plate, wherein the inner wall is at the side, close to the inner lampshade, of the outer lampshade. A spraying nozzle is arranged on the portion, located between the outer lampshade and the inner lampshade, below the lamp cap. An insect isolating plate is arranged on the upper portion of the inner wall of the outer lampshade in an inclining mode. The height, in the direction away from the inner wall of the outer lampshade, of the insect isolating plate is gradually reduced. A reflecting mirror is arranged on the upper portion of the insect isolating plate. A black non-reflecting layer is arranged on the lower portion of the insect isolating plate. A water inlet is formed in the position, corresponding to the outer lampshade, of the upper portion of the water diversion box. A water outlet is formed in the lower portion of the water diversion box. A filter screen is arranged in the water diversion box. The insect killing equipment is high in insect killing efficiency and has little influence on illumination effect.

The invention provides an aerated concrete slab solid waste recovery system which comprises a stirring bin arranged on an equipment platform, a mixing bin arranged in the stirring bin, a feeding system penetrating through the side wall of the mixing bin, a liquid spraying system arranged in the mixing bin, a defoaming system arranged below the feeding system and connected with the feeding system, and a driving system connected with the liquid spraying system. Powder is sprayed into the mixing bin through the feeding system, liquid in a liquid storage bin is centrifugally sprayed out to form fog drops through cooperation of the liquid spraying system and the driving system, and the powder and the fog drops which move relatively collide with each other, so that the powder is mixed in the air; slurry drops falling onto a material receiving plate are subjected to secondary shearing and crushing through the defoaming system, so that bubbles in the slurry drops are completely removed, the powder and the liquid are mixed more uniformly, the subsequent stirring time is shortened, and the production efficiency is improved; and through continuous powder adding and continuous slurry spraying, continuous automatic production is achieved.