96results about How to "Quick diversion" patented technology

The invention provides a multilayered structure absorbing core used for a disposable absorbing product and a manufacturing method thereof. The absorbing core is formed by pressing each layer; a latticed groove is formed in the surface of the absorbing core; the groove depth of the crossed points of the latticed groove is larger than the groove depth of the non-crossed points. A new synchronous staggered layer compaction process is adopted, namely, when the absorbing core is pressed at a circular truncated cone structure in a punctiform way, the absorbing core is not completely pressed by a linear netty trapezoid compaction mechanism with the height lower than that of the circular truncated cone structure, and the absorbing core is divided into a plurality of raised small spaces; under the condition of keeping the drainage function of a flow guide layer and a liquid storage layer, the shift of a polymer absorbent material in the absorbing core is completely limited, and the intensity of a core body is increased; through adjusting the structure and the manufacturing process of the core body, the liquid absorbing amount of the improved multilayered structure absorbing core is larger, the liquid absorbing speed is rapider, and the intensity is increased.

The invention provides an anti-side leakage sanitary napkin, which includes a surface non-woven fabric and a bottom impermeable membrane disposed from the inside out. The surface non-woven fabric has a three-piece structure, the intermediate piece of surface non-woven fabric and the two-wing surface non-woven fabrics are sticked together, and the space between the intermediate piece of surface non-woven fabric and the bottom impermeable membrane is filled with a toilet paper coated wood pulp cellulose absorption core. The surface of the sanitary napkin provided by the invention is composed of 100% polylactic acid fiber or PLA / PBHV fiber hot blast nonwoven fabric. The polylactic acid fiber retains the original characteristics and does not cause any damage. As polylactic acid is formed by polymerization of lactic acid molecules as monomers and spinning, polylactic acid molecules with short molecular chains possibly exist on the fiber surface, so that the pH value of a polylactic acid non-woven fabric surface shows weak acidity and is consistent with that of human body skin. Also an odor removal function is provided. The lateral two pieces of non-woven fabrics have greater gram weight and thickness than the intermediate piece, and side leakage cannot be caused.

The invention relates to a method and system for comprehensively purifying, collecting and utilizing overpass rainwater. The system disclosed by the invention comprises a rotational flow separation module, a high-efficiency purification module and a plastic water storage module. According to the method, based on the principle of gravity rotational flow sand setting technology and absorption, filtration and purification technology, emission, collection and purification of overhead overpass rainfall runoff are realized, suspended particles and organic and inorganic pollutants are respectively eliminated efficiently; furthermore, water storage and reuse are carried out to form integrated comprehensive technology for collecting and reusing purified rainwater; multiple effects such as fast elimination of rainwater on an overpass, water-saving irrigation of a green belt below an overpass and pollution control of overpass roadway runoff can be achieved simultaneously; and the method and the system for comprehensively purifying, collecting and utilizing overpass rainwater disclosed by the invention have wide application prospect in the fields of municipal construction and non-point source pollution control.

The invention provides a flow guide device used for measuring underwater jet flow noises by a reverberation method. The flow guide device comprises a water inlet pipe, a flow guide pipe, a flow stabilizing box, a height adjuster and a water outlet pipe, wherein one end of the water inlet pipe is inserted into a non-noise-eliminating water pool or water tank; the other end of the water inlet pipe is connected with the flow guide pipe; one end of the flow guide pipe is connected with the water inlet pipe and the other end of the flow guide pipe is connected with the flow stabilizing box; the flow stabilizing box is fixedly provided with the flow guide pipe; the flow stabilizing box is arranged on the height adjuster; the height adjuster can be used for freely adjusting the height in the vertical direction; and the water outlet pipe is located on the side face of the flow stabilizing box. According to the flow guide device used for measuring the underwater jet flow noises by the reverberation method, when the reverberation method is used for measuring radiation sound power of the underwater jet flow noises, the volume of water in the non-noise-eliminating water pool or water tank is not increased by jet flow and the jet flow radiation noises are not transmitted to the outer side, and the noises of the outer side are not transmitted into the non-noise-eliminating water pool or water tank, so that the measurement of the radiation sound power of the underwater jet flow noises is not influenced.

The invention relates to an anti-overflow rice cooker. The anti-overflow rice cooker comprises a cooker body, an inner container and a cover body, wherein a hard pore plate is fixedly mounted on the lower surface of the cover body, a defoaming plate is mounted between the hard pore plate and the cover body, and defoaming meters are arrayed on the defoaming plate at equal intervals, are made of a ferro magnetic material, and are capable of vibrating vertically in the vertical direction; a drive screen plate is further mounted in the cover body, and is made of a permanent magnet material; the drive screen plate is parallel to the defoaming plate, and is capable of sliding vertically along the inner side wall of the cover body; air exhaust holes are further formed in the upper surface of the cover body, and air exhaust baffle plates are mounted on the air exhaust holes, and are capable of moving vertically along the axes of the air exhaust holes; and the air exhaust baffle plates are connected with the drive screen plate through connecting rods. The anti-overflow rice cooker is ingenious in structure and convenient to clean, bubbles can be effectively broken, and the overflow of rice and soup is prevented.

The invention discloses high-strength and water-permeable concrete and a preparation method thereof and belongs to the technical field of concrete. The technical scheme is characterized in that the high-strength and water-permeable concrete is prepared from components in parts by weight as follows: cement, reinforced aggregate, water-permeable aggregate, reinforced fibers, a flexibilizer, a waterreducing agent and water, wherein the reinforced aggregate comprises crushed stone and high-strength ceramsite; the water-permeable aggregate comprises zeolite and shell particles; the reinforced fibers comprise carbon fibers and bamboo fibers. Strength of the concrete can be improved by the reinforced aggregate and the reinforced fibers; flexibility, strength and water permeability of the concrete can be improved by the flexibilizer; the bamboo fibers, the zeolite and the shell particles play a synergistic role, so that moisture is diverted and adsorbed rapidly and discharged from the surfaceof the concrete rapidly; the bamboo fibers and the shell particles have antibacterial performance, accordingly, bacteria bred in a hot and humid environment can be reduced, and durability of the concrete is improved.

An air-cooled computer mainframe case, including a case body, is characterized in that, the left side wall of the case body is provided with air inlet holes, the right side wall of the case body is provided with several air outlets equidistantly, and the bottom of the case body is provided with There is a base, and there is a dust filter baffle in the box, a brush plate is provided on the left side of the dust filter baffle, and a return spring is provided on the brush plate, and the lower end of the return spring is fixed on the top of the brush plate; the right side of the brush plate is fixed A brush is installed, and the brush is in contact with the dust filter baffle, and a spur rack is fixedly installed on the left side of the brush plate, and an incomplete gear is arranged on the left side of the spur rack, and a driving motor is connected to the incomplete gear; the dust There is a dust collection groove on the left side of the filter screen; there is a heat dissipation net cover in the box, and several cooling holes are opened on the heat dissipation net cover. ; The present invention adopts air-cooled heat dissipation form, which has a good heat dissipation effect and has a good dustproof effect at the same time.

The invention relates to the technical field of sanitation supplies production manufacturing, provides a composite core of a disposable sanitary product which is strong in breathability, good in ultrathin absorption effect, anti-anti-infiltration, anti-side leak, anti-fracture, and anti-lump and a forming method thereof. The composite core comprise an upper toilet paper layer, an upper macromolecule water absorbent resin layer, a hot air fluffy non-woven layer, a lower macromolecule water absorbent resin layer and a lower toilet paper layer, the upper toilet paper layer and the upper macromolecule water absorbent resin layer are glued through a wet and strong hot melt glue, the lower macromolecule water absorption resin layer and the lower toilet paper layer are glued together through wet and strong hot melt glue, wherein the upper macromolecule water absorbent resin layer has lower density than the lower macromolecule water absorbent resin layer.

The invention discloses forming equipment producing anti-breakage paper diapers. The forming equipment comprises a motor, a frame, a feed component, at least two air suction mechanisms, conveying mechanisms and hot-press and heat-seal forming mechanisms. Each air suction mechanism comprises a hollow mesh roller and a first air suction unit embedded in the mesh roller, the mesh roller is uniformly provided with meshes, and forming rollers are arranged on the surfaces of the meshes at intervals. Each hot-press and heat-seal forming mechanism comprises a hot-embossing unit and a hot-press unit both arranged on the conveying belt, each hot-embossing unit comprises a hot press shaft, and a hot-embossing roller with meshes is formed on the hot press shaft; each hot-press unit comprises a hot-press unpolished roller and arranged on the rear side of the hot-embossing units. The forming equipment is reasonable in structural design and compact in arrangement, the forming and feeding mechanisms, the air suction mechanisms and the conveying mechanisms form two staggered absorbers, so that the produced paper diapers cannot break and generate blobs and are fast in diversion and large in liquid storage area.

The invention discloses a quick diversion non-woven material and a preparing method thereof. The quick diversion non-woven material comprises a surface layer, a diversion layer and an absorption corelayer, the surface of the diversion layer comprises several convex parts, concave parts and slope parts, and the slope parts are the parts where the convex parts extend to the concave parts. By improving the surface of the quick diversion non-woven material and through the arrangement of the structures like the concave parts, the convex parts and the slope parts, flow of liquid can be quickly diverted, and the using experience of a user is improved.

The invention discloses a damping base of an electric power tower. The damping base comprises a foundation support and a bottom plate, wherein the bottom plate is located above the foundation supportand is fixedly connected with the foundation support, a top plate is arranged above the bottom plate, and expansion brackets, a damping device, rubber surrounding boards and an air cushion are arranged between the bottom plate and the top plate; the damping device comprises a rubber frame, springs, damping plates, a supporting seat and a support rod; the damping plates are located in the supporting seat, two sides of the support rod are close to the bottom end and are glidingly connected with the damping plates, the springs are located at the bottom end of the support rod and fixedly connectedwith the bottom end of the support rod; the bottom plate and the top plate are connected through pull rods and rings. The damping base is novel in design, simple in structure, higher in firmness andstability, high in safety, favorable for relieving outside vibration and capable of rapidly guiding rainwater, avoiding accumulation and reducing seepage of rainwater; constitution parts have good corrosion resistance, water resistance and other good characteristics, and the damping base is long in service life and convenient to popularize and use in a large area.

The invention relates to an anti-overflow rice cooker. The anti-overflow rice cooker comprises a cooker body, an inner container and a cover body, wherein a hard pore plate is fixedly mounted on the lower surface of the cover body, a defoaming plate is mounted between the hard pore plate and the cover body, and defoaming meters are arrayed on the defoaming plate at equal intervals, are made of a ferro magnetic material, and are capable of vibrating vertically in the vertical direction; a drive screen plate is further mounted in the cover body, and is made of a permanent magnet material; the drive screen plate is parallel to the defoaming plate, and is capable of sliding vertically along the inner side wall of the cover body; air exhaust holes are further formed in the upper surface of the cover body, and air exhaust baffle plates are mounted on the air exhaust holes, and are capable of moving vertically along the axes of the air exhaust holes; and the air exhaust baffle plates are connected with the drive screen plate through connecting rods. The anti-overflow rice cooker is ingenious in structure and convenient to clean, bubbles can be effectively broken, and the overflow of rice and soup is prevented.

The present invention relates to the technical field of artificial intelligence, and discloses a convenient artificial intelligence spraying device for garden management, comprising a support base, the bottom of the inner wall of the support base is fixedly connected with a first drive motor, and the first drive motor The output shaft is fixedly connected with a pulley, and the pulley is connected to the surface of the rolling shaft through a belt, and the rolling shaft is movably connected to the support base, and the surface of the rolling shaft is fixedly connected with a moving roller. The easy-to-use artificial intelligence spraying device for garden management, through the setting of the drug mixing box, the drug injection port, the motor box, the second drive motor, the stirring shaft, the bearing and the stirring rod, by starting the second drive motor, the second The driving motor drives the stirring shaft to rotate, so that the stirring rod can mix the medicines, which solves the problem that the existing garden spraying devices are mixed manually.

The invention relates to a one-mold multi-cavity multipurpose screen plate casting mold system, and belongs to the technical field of screen plate casting molds. A mold framework is placed in a mold body; an adhesive stirring mechanism is arranged above the mold framework; the mold body comprises a motherboard (1) and a positioning frame; the motherboard (1) is arranged on a bottom plate on the bottom part of the positioning frame; the positioning frame is arranged on the upper end face of the motherboard (1); multiple installation grooves for placing the mold framework is formed on the motherboard (1) through the positioning frame; a clamping device is arranged in each installation groove; and a pressing and positioning mechanism is arranged on the periphery of each installation groove. The one-mold multi-cavity multipurpose screen plate casting mold system provided by the invention is simple in overall structure, convenient to maintain, low in mold cost, and convenient to assemble and disassemble. A one-mold multi-cavity casting process can be realized, so that the production efficiency is greatly improved.

The invention discloses water-repellent finishing liquid for partial water repellence. The water-repellent finishing liquid is prepared from the following components in percentage by mass: 0.5 to 5 percent of a water repellent agent, 80 to 95 percent of water, 1 to 5 percent of a thickening agent and 0.01 to 0.5 percent of ammonia water, wherein the mass percent concentration of the ammonia wateris 15 to 20 percent. According to the water-repellent finishing liquid provided by the invention, a use method of the water-repellent finishing liquid is changed by preparing the water repellent agentinto high viscosity (the viscosity is more than or equal to 2,000 mpa.s) from low viscosity.

The invention discloses a unidirectional pure cotton flow-guide material, a preparation method thereof, and a product. The preparation method comprises a compounding step of compounding a hydrophiliccotton material with a water-repellent cotton material to obtain the unidirectional pure cotton flow-guide material. The water-repellent cotton material in the unidirectional pure cotton flow-guide material covers the hydrophilic cotton material, and a part of hydrophilic cotton fibers stretch into water-repellent cotton fibers, and is used for rapidly guiding downwards water. The mass proportionof the hydrophilic cotton material is less than the mass proportion of the water-repellent cotton material. Because the hydrophilic cotton material and the water-repellent cotton material are compounded and combined into an integrated structure, the hydrophilic fibers and the water-repellent fibers are mutually staggered, a liquid in a water-repellent layer can be rapidly conducted to a hydrophilic layer, and a water flow channel is instantaneously formed, so that rapid infiltration is achieved. The mass proportion of the hydrophilic cotton material is less than the mass proportion of the water-repellent cotton material, and the material achieves a good balance point in the aspects of hydrophilicity and water repellency, so that the dry-touch feeling of the surface layer of the material can further be ensured.

The invention discloses an outdoor electric power equipment box which comprises a box. A door plate is movably mounted on the left side of the front surface of the box via hinges, a handle is fixedlymounted below the front surface of the door plate, a base is fixedly connected with the bottom of the box, water storage cotton is fixedly mounted at the bottom of an inner cavity of the base, and heat conduction pipes are equidistantly fixedly connected with two sides of the top of the water storage cotton. The outdoor electric power equipment box has the advantages that the box, the door plate,top covers, the base, a top shell, a water storage box, hollow plates, the water storage cotton, the heat conduction pipes, heat conduction cotton, a mercury box, water baffles, springs and wood plates are used with one another when the outdoor electric power equipment box is used, electric power facilities inside the outdoor electric power equipment box can be effectively cooled by the outdoor electric power equipment box when the internal temperature of the outdoor electric power equipment box is excessively high due to excessively hot weather, accordingly, the electric power facilities inside the outdoor electric power equipment box can be prevented from being damaged by excessively high temperatures, normal operation of the electric power facilities can be guaranteed, and the problem of serious trouble for staffs can be solved by the aid of the outdoor electric power equipment box.

The invention discloses a pipe sizing sleeve device. The pipe sizing sleeve device comprises a sizing sleeve main body and a fixing sleeve; one end of the sizing sleeve main body is provided with flow guide grooves and water outlets; the fixing sleeve is arranged on the sizing sleeve main body and is provided with a water inlet communicated with the flow guide grooves; a seal ring is also arranged between contact surfaces of the fixing sleeve and the sizing sleeve main body; the inner parts of the flow guide grooves are also provided with heat radiating fins with circulation water circulation channels; both the water inlet and the water outlets are communicated with the circulation water flow channels; the heat radiating fins are stamped once. The pipe sizing sleeve device provided by the invention is simple in structure, can accelerate the water flow speed, cooling water has small possibility of remaining in the device, and thus accelerating heat dissipation and refrigeration for plastic pipe blanks.

The invention discloses an integrated natural resource comprehensive utilization bus shelter. The bus shelter comprises a ventilation and shading heat-collecting panel, a wind-solar complementary power supply, a capillary tube, a radiation seat, a phase change heat storage module, an efficient heat exchange tube, a circulating pump, a three-way valve, a circulating pipe, a water separator and a water collector. The ventilation and shading heat-collecting panel is connected with the phase change heat storage module through the circulating pipe, and the capillary tube is arranged in the radiation seat and connected with the phase change heat storage module through the water separator and the water collector. By means of combination and switching of a loop 1 (a heat storage module-circulatingpump-water separator-capillary tube-water collector-heat storage module loop) and a loop 2 (a heat storage module-ventilation and shading heat-collecting panel-circulating pump-heat storage module loop), great improvement of the public transit waiting environment under the severe natural environment in winter and summer is achieved, and in the whole process, no energy consumption exists, the resources are saved, and low-carbon and environmental protection are achieved.

The invention discloses a multilayer concave-convex embossed non-woven fabric. The multilayer concave-convex embossed non-woven fabric comprises a hydrophobic layer, a diversion layer and a hydrophilic layer, wherein the diversion layer is arranged between the hydrophobic layer and the hydrophilic layer; the diversion layer is bonded with the hydrophilic layer; the hydrophobic layer and the hydrophilic layer are bonded in a pressing mode; the hydrophobic layer is provided with a concave-convex shape. The invention further discloses a production method of the multilayer concave-convex embossednon-woven fabric. According to the multilayer concave-convex embossed non-woven fabric produced by the process, the surface hydrophobic layer has the functions of unidirectional rapid flow guidance and hydrophobicity, the concave part is beneficial to sliding infiltration and diffusion of liquid, and the convex part is beneficial to reducing the contact area with human skin, enhancing the air permeability and keeping the surface hydrophobic layer dry; the middle diversion layer has the function of rapid diversion, and can quickly introduce water from the surface layer, and lead the water intothe bottom layer; the bottom hydrophilic layer is matched with the middle diversion layer to well improve the diffusion, permeation and reverse permeation of liquid. When the multilayer concave-convexembossed non-woven fabric provided by the invention is applied to disposable sanitary articles, the dryness, air permeability, water absorption and comfort of contacting the surface of skin can be improved.

The invention discloses an intelligent rainwater diversion device based on municipal road engineering. The controller, the signal transmitter, the water volume measured by the rain sensor passes through the rain detector, and the water value is sent to the remote controller through the signal transceiver. As an intermediate device, the rain detector can not only receive instructions but also send instructions , will receive the operation command on the remote controller, and use the command to operate the start and stop of the water pump through the water pump controlled by the CPU chip. When the water volume is large, the water pump will be turned on to accelerate the rainwater diversion. The siphon rainwater device conducts automatic diversion, which not only saves energy but also quickly diverts rainwater, effectively ensuring the construction cost of municipal road projects.

The invention relates to the technical field of paper diaper preparation, in particular to a paper diaper with a grid type absorption body and a method for preparing the paper diaper. The paper diaperwith the grid type absorption body comprises a surface layer, the grid type absorption body, leakage-proof bottom films and simulated cloth bottom layers which are sequentially arranged from top to bottom. The grid type absorption body comprises stereoscopic grid flow guide cloth, mesh fabrics are woven cloth or knitted cloth, the woven cloth or the knitted cloth is made from flow guide fibers bymeans of weaving by the aid of weaving or knitting processes, meshes are uniformly formed in the woven cloth or the knitted cloth, macromolecule water absorbent resin particles are laid in the meshes, and a first flow guide non-woven fabric and a second flow guide non-woven fabric cover two surfaces of each mesh fabric. The paper diaper with the grid type absorption body an the method have the advantages that the macromolecule water absorbent resin particles can be firmly locked in each mesh by the stereoscopic grid flow guide cloth of the paper diaper, and accordingly lumping break layer prevention, quick absorption, flow guide and liquid storage effects can be realized.

The invention relates to the field of a motor, and specifically relates to a high-rotation speed and rapid heat-conduction motor. The motor comprises a stator, a rotor sleeved in the stator and a rotation shaft penetrating the rotor. The motor also comprises a shell and a base which fit with each other. The shell sleevesthe stator. Vent holes are arranged on a shell end face. A positioning and installing hole post is arranged at the center of the base. A circuit board is arranged on an outer side frame of the base. A drainage fan is fixedly arranged on the rotation shaft and is located at the outer side of the shell end face. A plastic package body is packaged out of the stator. A plastic package reinforcing connection ring is integrally connected with the end face of one side of the plastic package body facing towards the base. The plastic package reinforcing connection ring is arranged against the side wall face of the shell. Airflow at the rear end of the circuit board is sent in the motor through the circuit board and the vent holes on a base plate. Equally, the airflow between the circuit board and the base plate is sent in the motor through the vent holes on the base plate, then the heat in the motor is absorbed by the airflow, and then the airflow is rapidly exported out of the motor through vent holes on an incline reinforced hole slot wall. The whole motor has the advantages of high integrity, compact structure, convenient disassembly, low cost, high strength, high stability and low noise.

The invention provides an automatic pressure-regulating type pressure screen. The pressure screen mainly comprises a screening and slurry storage device including a barrel body, a barrel lid and a screen cylinder, a power driving device including a motor and a spindle, an auxiliary crushing device taking an impeller rotor as a main component, an automatic pressure adjusting device including a lower cover plate, an upper cover plate, a screen rotor, rotor wings, cylinder barrels, cylinder lids, pistons, piston rods and springs as well as a guide distribution device including a guide cover and guide plates. The pressure screen is characterized by automatic radial adjustment of the screen rotor, vortex assisted filtration and secondary assisted pulping. Screening, filtration and storage of good pulp are realized through the screening and slurry storage device, the power driving device provides screening power for the pressure screen, the auxiliary crushing device realizes secondary auxiliary crushing of slurry, the automatic pressure adjusting device realizes automatic pressure adjustment and rapid vortex assisted screening of the pressure screen, and the guide distribution device realizes rapid guide and preliminary assisted crushing of fed materials.

The invention relates to the field of motors, and in particular relates to a stable motor. The stable motor comprises a stator, a rotor sleeved in the stator and a rotating shaft arranged on the rotor in a penetrating manner, and also comprises a shell and a base which are fit with each other, wherein the shell is sleeved on the stator and provided with vent holes in the shell end face, the base is provided with a locating mounting hole column at the center, a circuit board is erected on the outer side of the base, a draught fan is fixedly arranged on rotating shaft on the outer side of the shell end face, the stator is packaged with a plastic package body, and a circle of plastic package reinforced connecting ring arranged close to the side wall of the shell is integrally connected on the end face of the plastic package body facing the base side. Air flows at the rear end of the circuit board are sent into the motor via vent holes in the circuit board and base plate, in the same way, the air flows between the circuit board and base plate are sent into the motor via the vent holes in the base plate, then absorb heat in the motor, and then are rapidly exported from the motor via vent holes in the inclined reinforced pored groove wall. The whole motor is strong in integrality, compact in structure, convenient to dismount, low in cost, high in strength, good in stability and low in noise.

The invention relates to the technical field of heat exchangers, in particular to a plate type heat exchanger with asymmetric channels. The plate type heat exchanger comprises a plurality of heat exchange plates stacked to form heat exchange channels, the heat exchange plates are first plates and second plates which are alternately arranged, the first plates and the second plates both comprise a main panel and surrounding baffles, a plurality of convex ridges are arranged on the main panel, a concave valley is formed between every two adjacent convex ridges, and a plurality of grooves are evenly distributed in the concave valley of the first plates, so that asymmetric channels with different volumes are formed in the two sides of the second plates. According to the heat exchanger, the multiple evenly-distributed grooves are formed in the valley of the first plates, asymmetric channels with different volumes are formed in the two sides of the second plates, the heat exchange performanceis improved, due to the arrangement of the grooves, the convex ridges of the second plates are clamped between every two adjacent grooves, the inclined planes on two sides of the convex ridges and the inclined planes on two sides of the grooves which are in contact with each other effectively increase the welding area, the pressure-bearing effect of the heat exchanger is enhanced, and the heat exchange performance and the pressure-bearing effect are both considered.

The invention provides vibrating screen equipment for screening building sand. The vibrating screen equipment comprises an arc-shaped groove, a top plate, a hand piece, a sand baffling plate and clamping teeth, wherein a screening body is of a rectangular hollow structure; a screen mesh is mounted in the screening body; a baffle plate is mounted above the screening body in a welding manner; a sandreceiving plate is connected with the internal side edge of a main body through an auxiliary connecting piece; and the sand baffling plate is mounted above the sand receiving plate in a welding manner. The material is added in a sand storage cabin manually; and the hand piece is rotated downwards manually, so that the front end of the top plate jacks up the sand baffling plate; through rotating the hand piece by different angles manually, the front end of the top plate is clamped in the clamping teeth below the sand baffling plate to enable the sand baffling plate to ascend to different heights, so that different amounts of material flow out; and when the materials flow out, the sand storage cabin is pushed manually to move along the upper part of the main body, so that the material flowsout of different positions.