88results about How to "Avoid underfill" patented technology

An improvement in a liquids dispensing means comprising a niche for accommodating a container to be filled with liquid, the niche being associated with the outer panel (12) of a cabinet, being lighted from the rear wall thereof (21, 56), a part of the light flux impinging on a window provided with a sheet of translucent material (29) located in the closing means (21, 51) of the niche, the window being in substantial alignment / register with the lighting means (36, 37, 54) provided on the rear wall.

The invention discloses a process for re-injecting resin adhesive liquid discharged from exhaust bubble in composite material RTM moulding process and a device thereof; the process comprises the steps as follows: the resin adhesive liquid is filtered by a screen mesh and collected to a material barrel added with retarder to be stirred; the evenly stirred resin adhesive liquid is sucked into a tank under the pull of vaccum, the tank is vacuumized and de-foaming is carried out on the resin adhesive; pressure is injected into the tank in which the resin adhesive liquid is stored after de-foaming, under the effect of the pressure, the resin adhesive liquid after de-foaming is injected into a mould; meanwhile pressure is continuously injected into the tank at the filling speed of 5-2000g / min; finally residual resin adhesive liquid in the empty tank after filling and in the pipeline connecting the mould with the tank is cleaned. The pipeline is positioned between the mould and the tank. The device comprises a sealed tank, a discharge nozzle connected with the tank, an air inlet pipeline, the mould and the material barrel. The invention can effectively reduce the production cost, save energy and reduce emission, and reduce the emission of waste material; in addition, the invention has remarkable economic and social benefits and is conducive to popularization and application.

The invention discloses a road repairing device and repairing method. The road repairing method comprises the following steps that: 1) enabling two width adaption board components to be separated fromground, and fixing the positions of the two width adaption board components; 2) adding asphalt into an asphalt storage barrel, pushing a movement cart to a to-be-filled silt on a road, driving a flattening mechanism to work when the movement cart moves, and driving a stirring mechanism by the flattening mechanism to stir the asphalt to enable the asphalt to be smoothly conveyed outwards; 3) screwing out two positioning bolts to be separated from two threaded hole seats, enabling two vertical edge boards to downwards extend into a groove; 4) regulating a width locking mechanism, separating thewidth locking mechanism from two width self-adaption bottom board frames, enabling the two width self-adaption bottom board frames to outwards expand to drive the two width adaption board componentsto be attached to the inner wall of a to-be-filled groove; and 5) after the two width adaption board components outwards expand, outwards discharging the asphalt in the asphalt storage barrel into thegroove, slowly pushing the movement cart to outwards convey the asphalt step by step, and meanwhile, flattening the asphalt by the flattening mechanism.

The invention discloses magnetic nano ferrum-carrying ordered mesoporous carbon and a preparation method and application thereof. The magnetic nano ferrum-carrying ordered mesoporous carbon is prepared by adopting a nano co-casting one-step method. The method comprises the following steps: mixing saccharose, ferric chloride hexahydrate and sulfuric acid solution, adding the mixed solution to ordered mesoporous silicon SBA-15, and carrying out two times of heat treatment, high temperature carbonization and desilicication treatment to obtain the magnetic nano ferrum-carrying ordered mesoporous carbon. The preparation method disclosed by the invention has the characteristics of being simple in steps, low in cost, high in production efficiency, and easy for large-scale production; the prepared material has relatively large specific surface area and pore volume and strong magnetism, can effectively remove bisphenol A in water, not only is large in adsorbing capacity for bisphenol A and high in removal rate of bisphenol A, but also is wide in pH application scope, simple in operation, short in treatment period, and easy for regeneration, and is favorable for efficient automated design in wastewater treatment.

The invention relates to the field of battery charging control technology. The invention provides a battery charging control method and a device. The control method comprises the following steps: when a battery is fully charged, battery charging is stopped and timing is started; during timing, electric quantity of the battery is detected and whether battery capacity is less than a first electric quantity preset value is judged; if the battery capacity is less than the first electric quantity preset value, time is reset and the battery is charged; and if the battery capacity is not less than the first electric quantity preset value, time is reset and the battery is charged when the timekeeping time reaches a first time preset value, and timing is restarted when the battery is fully charged. By setting a timer, the number of repeated charge cycles is minimized, and service life of the battery is prolonged. Meanwhile, remaining capacity of the battery is detected at real time. Thus, the case that the battery is not fully charged because a charging protection circuit actively shuts the charging action is avoided, and it is ensured that the battery capacity of the battery is in a fully-charged state when a user pulls out a charger.

The invention discloses inflation and detection equipment for basketball production for sports, and specifically relates to the field of sports equipment production equipment. The equipment comprisesa lead screw transmission mechanism, a positioning mechanism, an inflation mechanism and a manipulation box; the positioning mechanism is arranged on one side of the lead screw transmission mechanism,the inflation mechanism is arranged on one side of the positioning mechanism, and the manipulation box is fixedly arranged at the top of the inflation mechanism; the lead screw transmission mechanismcomprises a lead screw and sliding blocks movably arranged at the top and the bottom of the lead screw; and the positioning mechanism comprises two semi-sphere positioning covers which are fixedly connected with the sliding blocks through a bracket. The inflation degree of the basketball and whether the concave-convex surface exists on the surface can be detected or not through a thin-film pressure sensor, thereby avoiding the condition that the basketball is over inflated or insufficiently inflated and detecting whether the surface of the basketball conforms to the standard or not, the function is diversified and practical, and the detection time, cost and equipment cost required by the basketball appearance detection equipment are saved.

The invention provides a pipe guiding device structure of a refrigerator, which comprises a refrigerator door, a distributor which is arranged on one side of the refrigerator and used for taking out water or ice blocks, an auxiliary water tank which is arranged at the inner side of the refrigerator door and used for supplying water to the distributor, a pipe guiding device which is arranged at the inner side of the refrigerator door and used for supporting the water supply pipe connecting with the distributor and the auxiliary water tank, and isolation structures which are arranged at one side of a pipe guiding structure to ensure the pipe guiding structure device to keep a distance with the inner side of the refrigerator door. The invention has the advantages that the whole cold chamber door can be caused to be completely filled with foaming bodies, thereby not only improving the heat insulation efficiency of the cold chamber door, but also reducing the power consumption and improving the cooling performance. Since the isolation structures are arranged at intervals, the horizontal dimensions of each isolation structure is caused to be different, the flow resistance to the foaming bodies is thus reduced. The phenomenon that the pipe guiding device is detached from the original place when injecting the foaming bodies is avoided, thereby ensuring a feed pipe to be mounted at the accurate position and reducing the disqualification rate of the refrigerator.

In one embodiment of the present invention, an IC chip mounting package is arranged such that an IC chip and a film base member are connected via an interposer, and a section in which the IC chip, the film base member, and the interposer are connected is sealed with sealing resin. The sealing resin is provided by potting sealing resin around the interposer via a potting nozzle, or is provided by potting the sealing resin around the IC chip, that is, via a device hole. Moreover, the sealing resin has a coefficient of linear expansion of not more than 80 ppm / ° C., a viscosity of not less than 0.05 Pa·s but not more than 0.25 Pa·s, and also includes filler having a particle size of not more than 1 μm.

The invention relates to a method for treating the material level of a steel-making overhead bunker. The method for treating the material level includes the following steps of 1), calculation of the volume of the bunker; 2), calculation of the virtual density; 3), calculation of the weights of materials in the bunker; 4), material level alarming setting of the bunker; 5), material level alarming output; 6), display of material level information; and 7), loading priority calculation. By means of the method, the material level of the materials in the overhead bunker of a converter is calculated, current materials in the bunker are grasped in real time, data are provided for automatic loading, the judgment error of an operator on the material level of the bunker is reduced, the loading accuracy is improved, stacking caused by insufficient loading or excessive loading is avoided, and the labor efficiency is improved.

The invention discloses a waterproof spraying liquid for a down jacket and a preparation method of the waterproof spraying liquid. The waterproof spraying liquid comprises a component A and a component B. During spraying, the component A is sprayed to the outer surface of the component B. The component A comprises a binder, a porous framework material and a water-absorbing expanding agent that fills pores of the porous framework material; the volume filling rate of the water-absorbing expanding agent is 5-20%; the water-absorbing expanding agent is composed of modified bentonite and alginic acid; and the component B comprises a porous separation material. After the spraying liquid is sprayed on the surface of a down jacket fabric and is dried and cured, each of double-layer coatings has a large number of pores, so that the down jacket has good air permeability; when water drops are attached to the surface of the down jacket, the outer coating at the corresponding position absorbs a certain amount of water, and then the pores are completely closed rapidly through expansion of pore fillers, so that subsequent rainwater cannot permeate into the pores, and a good waterproof protection effect on inner down feather is achieved; and the inner coating plays a role in isolating the water, so that the water is prevented from permeating inwards by the infiltrated outer coating.

The invention provides a filling device and method for new energy automobile power system cooling liquid. During application, a first valve and a second valve are opened at first, and a third valve isclosed; air in a first pipeline, air in a second pipeline and air in a liquid storage device are exhausted through a vacuum pumping device, and the first valve and the second valve are closed when liquid in the liquid storage device is sucked out; afterwards, the second valve and the third valve are opened, the first valve is closed, and the second pipeline, a third pipeline and a cooling systemconnected with a filling joint are subjected to vacuum pumping through the vacuum pumping device; and at last, the first valve and the third valve are opened, the second valve is closed and cooling liquid in the liquid storage device is sucked into the cooling system due to negative pressure. By the adoption of the filling device and method, after the air in the first pipeline, the air in the second pipeline and the air in the third pipeline are exhausted, the cooling system is subjected to vacuum pumping, the phenomenon that air exists in a cooling loop in the filling process can be avoided and insufficient filling of the cooling liquid is prevented.

The invention discloses an automatic filling device for cosmetic production, and belongs to the field of cosmetic production equipment. The automatic filling device comprises a conveying mechanism anda filling mechanism; the filling mechanism comprises a material storage barrel and a filling head communicating with the material storage barrel; the conveying mechanism comprises a fixed supportingtable and a rotating table; a fixed supporting plate is fixed on the inner side of the fixed supporting table; the two sides of the fixed supporting table are respectively provided with a feeding conveying belt and a discharging conveying belt; the outlet end of the filling head is aligned with the eccentric position of a bottle opening of a filling bottle below the fixed supporting table, a lifting rod is arranged on the fixed supporting plate on a filling station in a penetrating manner, and the lifting rod is connected with a rotating lifting driving mechanism; and through openings are formed around the circumference of the rotating table at equal intervals, each through opening is internally provided with a pushing assembly and correspondingly provided with a clamping push plate, and an arc-shaped bump with an increasing width is fixed to the outer side surface of a supporting cylinder. According to the automatic filling device for cosmetic production, a large amount of foam is generated in the filling bottles, and the reliability of the filling process is guaranteed; and automatic feeding, filling and discharging can be achieved, the automation degree is high, and the workingefficiency is high.

The invention discloses a forging method of an automobile aluminum alloy control arm. According to the forging method, an extruded round bar is adopted as a blank, the blank sequentially undergoes themachining processes of first-pass roller forging, second-pass roller forging, flattening and bending and final forging forming after being heated, two passes of roller forging are adopted, so that under the condition that reasonable material distribution and material deformation are met, the situation that irregular bending is caused when large deformation is generated in the local area of the blank in the flattening and bending process can be avoided, then streamline forming of the control arm is reasonable, the situations that the blank is deformed unevenly and the blank is not fully filledare prevented, and the production efficiency can also be improved; and the control arm forged and machined through the method is good in forming, and is free of the defects of folding and shrinkage holes and the like. The forging method of the automobile aluminum alloy control arm is used for production and machining of the automobile aluminum alloy control arm.

The invention discloses a filling device for cosmetic production, and belongs to the field of cosmetic production equipment. The filling device comprises a conveying mechanism and a filling mechanism,wherein the filling mechanism comprises a storage barrel and a filling head communicated with the storage barrel; the conveying mechanism comprises a fixed supporting table and a rotating table; a feeding notch, a filling station and a discharging notch are sequentially formed in the three sides of the fixed supporting table, carrier plates used for bearing filling bottles are arranged on the rotating table at equal intervals, and lifting rods are fixed to the bottoms of the carrier plates and are connected with a rotating lifting driving mechanism; the outlet end of the filling head is aligned with the eccentric part of a bottle opening of a filling bottle at the filling station; pushing assemblies in one-to-one correspondence with the carrier plates are arranged on the rotating table, and arc-shaped protruding blocks which are gradually widened are fixed to the outer side face of the supporting barrel. A large amount of foam can be prevented from being generated in the filling bottle, so that insufficient filling amount caused by foam accumulation in the filling bottle can be avoided, and the reliability of the filling procedure is guaranteed; and automatic feeding, filling anddischarging can be achieved, and the working efficiency is high.

The invention discloses a charging station intelligent management system capable of reasonably configuring user charging demands. The system is in communication connection with a plurality of chargingstations through a management platform, and when a user has a charging demand, a user logs in the management platform through a client to submit the charging demand and current position information;after receiving the charging demand of the user, the management platform matches the position information of the current user with the pre-stored position information of the charging stations, and determines a plurality of charging stations within a predetermined range acceptable to the user; the charging station capable of meeting the charging requirement of the current user is determined according to the determined number of the configurable charging interfaces of the plurality of charging stations and the working states of the charging stations; and the information of the charging station is sent to the user, automatic guidance of the charging station is provided for the charging demand of the user, the user can directly go to the charging station for charging, long-time queuing waitingin a charging peak period is avoided, and a user experience is improved.

The invention discloses a sewer well treatment method and a fast-setting cement mortar dry blend. The sewer well treatment method includes the steps of (1) carrying out cutting to form an annular zone around a sunk sewer well cover, and taking out the sewer well cover, (2) digging out basic layer materials of the annular zone, placing a prefabricated piece at an opening of a sewer well, placing the well cover on the prefabricated piece, and adjusting the horizontal position to enable the upper surface of the well cover to be flush with the road surface, and (3) pouring the annular zone dug out around the prefabricated piece with fast-setting cement mortar. According to the sewer well treatment method, the strength of a structure around the sewer well is improved, rainwater is prevented from permeating the sewer well, and the sinking problem of the urban sewer well can be effectively solved. The construction speed is high, and traffic is not influenced. The fast-setting cement mortar dry blend comprises cement, sand, expanding agents, water reducing agents, calcium oxide and the like. The sewer well treatment method and the fast-setting cement mortar dry blend are suitable for treating the sewer well of the cement road surface and the sewer well of the pitch road surface.

The invention discloses a quantitative filling device for cosmetic production, and belongs to the field of cosmetic production equipment. The device comprises a conveying mechanism and a filling mechanism. The filling mechanism comprises a storage barrel body and a filling head communicating with the storage barrel body. The conveying mechanism comprises a fixed supporting table and a rotating table; a feeding notch, a filling station and a discharging notch are sequentially arranged on three sides of the fixed supporting platform, carrier plates are arranged on the rotating table at equal intervals, lifting rods are fixed at the bottoms of the carrier plates, and the lifting rods are connected with a rotating lifting driving mechanism; and the filling head is aligned with the eccentric position of a bottle mouth of a filling bottle below the filling head; a limiting rod is arranged in the storage barrel body, a screw rod penetrating through the storage barrel body is fixed on the limiting rod, an adjusting port is formed in the position, through which the screw rod penetrates, of the storage barrel body, and the screw rod is sleeved with a locking nut. Insufficient filling quantity caused by foam accumulation in the filling bottle can be avoided, and the reliability of the filling process is guaranteed; the primary filling amount of the filling mechanism is adjustable, so thatquantitative filling can be realized; and automatic feeding, filling and discharging can also be realized.

The invention discloses an unmanned aerial vehicle image and satellite remote sensing image fusion algorithm, which comprises an unmanned aerial vehicle, a data image transmission module, a satellite,a remote sensing image transmission module, computer equipment and an image display module; the output terminal of the unmanned aerial vehicle is connected with the input terminal of the data image transmission module; the output terminal of the data image transmission module is connected with the input terminal of computer equipment, the input terminal of the computer equipment is connected withthe output terminal of the remote sensing image transmission module, and the input terminal of the remote sensing image transmission module is connected with the output terminal of a satellite. And the output terminal of the computer equipment is connected with the input terminal of the image display module. According to the unmanned aerial vehicle image and satellite remote sensing image fusionalgorithm, the unmanned aerial vehicle image and the satellite remote sensing image can be stably corrected and calibrated by using an atmospheric correction module, an orthographic correction moduleand a geometric correction module so that the sense of reality of the original image can be reserved and image distortion can be prevented.

The invention discloses a method for assisting in forming a composite material propeller blade by using air bag inflation. A flexible air bag is adopted to perform inflation manufacturing on a skin shell of the propeller blade, and then a foaming process is adopted to manufacture an internal core material. The method specifically comprises the steps of carrying out forming tool design, carrying out skin prepreg laying, placing flexible air bag, carrying out die assembly installation, carrying out inflation curing, carrying out inner core filling and the like. According to the method, the pressure applied by compressed air can be uniformly and accurately transmitted, the thickness uniformity of a skin structure is guaranteed, meanwhile, the internal quality of the skin is guaranteed, and the problem of sandwich pressure loss or insufficient filling in a die pressing process is avoided; and compared with a die pressing and autoclave process, the method has the advantages that the operation is simple, the equipment cost is relatively low, and the method can be used for large-batch manufacturing. In addition, the flexible air bag used in the method can be repeatedly used, the materialsare easy to purchase, the manufacturing process is simple, the production cost is effectively reduced, and the manufacturing period is effectively shortened.

The invention discloses a device for detecting the thickness of ice and snow on a road. The device comprises a body container with a top opening. A first temperature sensor (3) is arranged at the side surface of the top part of the body. The first temperature sensor (3) detects road surface temperature, judges whether the road surface is icy according to the temperature, and controls the on-off state of device functions. An electric heating disk (5) used for thawing the ice and snow on the road is tightly arranged below an opening of the body. A water penetrating hole (6) used for downflow of the thawed ice and snow is arranged in the electrical heating disk (5). A rotating closing device used for opening or closing the water penetrating hole (6) is tightly arranged on the bottom of the electrical heating disk (5). A flowmeter (13) used for measuring a water quantity of the thawed ice and snow is connected with the lower part of the body. The device for detecting the thickness of ice and snow on the road calculates the ice and snow thickness according to the water quantity of the thawed ice and snow. According to the invention, the road ice and snow thickness can be detected quantitatively, a reliable basis can be provided for deicing and snow removing, the manpower, the material resources and the financial resources are saved, and the pavement performance is not influenced.

The invention discloses a multi-mold cavity injection mold, and relates to the technical field of injection molds. The multi-mold cavity injection mold particularly comprises a lower mold base, a pressure maintaining device, an ejection mechanism, a cooling base, a cooling loop and an upper mold base, wherein the pressure maintaining device and the ejection mechanism are movably mounted inside thelower mold base, the cooling base is fixedly mounted on the bottom of the lower mold base, the cooling loop is fixedly mounted inside the cooling base, the upper mold base is movably mounted on the top of the lower mold base, and the upper surface of the lower mold base is fixedly connected with a guide post. The pressure maintaining device is arranged to be used in cooperation with a pressure maintaining cavity, after injection molding is completed, a pressure boosting portion of the pressure maintaining device conducts upward ejection along the pressure maintaining cavity, an injection gateis cut off, a pressure boosting port communicates with a main flow channel, external connection with a pressure pump is carried out in cooperation with a booster pipe, raw materials in an injection molding flow channel are injected into female mold cavities, volume reduction parts caused by cooling shrinkage of plastic is filled up, it is guaranteed that product injection molding is full, no injection nozzle is needed for maintaining the pressure, the raw materials in the injection molding flow channel are effectively used, the non-product content in the molded products of the injection moldis reduced, and the production cost is reduced.

The invention provides a die casting mold with a connecting rod body cavity liquid inlet multi-flow channel structure. The die casting mold with the connecting rod body cavity liquid inlet multi-flowchannel structure comprises a fixed mold core and a movable mold core; the fixed mold core and the movable mold core surround to form a melt flow channel and multiple connecting rod body cavities inside; the melt flow channel comprises a primary main flow channel and multiple secondary main flow channels; each two of the multiple secondary main flow channels are symmetrically arranged on the two sides of the primary main flow channel; the primary main flow channel and the multiple secondary main flow channels are correspondingly distributed in the vertical direction and the transverse direction; the multiple connecting rod body cavities are correspondingly arranged on one sides of the multiple secondary main flow channels in a one-to-one corresponding manner; the extending directions of the connecting rod body cavities and the secondary main flow channels are as same as each other; multiple sub pouring flow channels are arranged between a rod body molding cavity of each connecting rodbody cavity and the secondary main flow channels; during die casting of the connecting rods, an aluminium alloy melt enters the connecting rod body cavities via multiple sub pouring flow channels; andtherefore, the melt filling speeds of the connecting rod body cavities are effectively increased. According to the die casting mold with the connecting rod body cavity liquid inlet multi-flow channelstructure, multiple aluminium alloy connecting rods can be simultaneously produced through die casting, it can be guaranteed that the melt is full of the connecting rod body cavities, and the qualification rate of connecting rod finished products can be increased.

The invention discloses a manufacture method of a waterproof plastic wiring harness. The manufacture method comprises the steps that firstly, a waterproof part of an inner wiring harness is woven with cotton threads; secondly, the inner wiring harness is winded into a cylindrical shape, the external circumference of the inner wiring harness is coated with a high foaming silicon dioxide layer, an inner filler is filled in the high foaming silicon dioxide layer and then the high foaming silicon dioxide layer is coated with a closed-cell foam plastic layer; thirdly, a waterproof part of an outer wiring harness is woven with cotton threads and coated with a hot-melt pressure-sensitive adhesive, and the outer wiring harness coated with the hot-melt pressure-sensitive adhesive is winded on the closed-cell foam plastic layer and then placed in a die; fourthly, an outer filler is heated to be melt and then injected into the die, the die is opened after the die assembly is cooled and solidified, a wiring harness is taken out to obtain the waterproof wiring harness. According to the manufacture method, the problem that a filler can not be sufficiently osmosed between the wiring harnesses is solved by weaving of the cotton threads; the wiring harness is divided into the inner wiring harness and the outer wiring harness, the inner wiring harness and the outer wiring harness are treated respectively, the service life the wiring harness is effectively prolonged, and meanwhile the manufacture method has the advantages of being high in production efficiency, low in material cost and low in production cost.

The invention discloses a liquid filling system and a liquid medicine filling machine provided with the same. The liquid filling system comprises a buffer tank, a capsule type air filter, a liquid level sensor and a control module, wherein a liquid storage chamber is formed in the buffer tank, and has a liquid inlet communicated with a liquid supply device and a liquid outlet communicated with a container to be filled; the upper part of the buffer tank is provided with an installation port communicated with the liquid storage chamber; the capsule type air filter is connected with the buffer tank and is located at the installation port; the capsule type air filter has an air port communicated with the outside and used for allowing air to enter and exit the liquid storage chamber; the capsule type air filter is used for filtering incoming and outgoing air; the liquid level sensor is connected with the buffer tank and extends into the upper part of the liquid storage chamber to detect thelevel of liquid in the liquid storage chamber; and the control module is connected with the liquid level sensor and controls the liquid inflow of the liquid inlet according to the detection results of the liquid level sensor. The liquid filling system of the invention can avoid the phenomenon of insufficient filling and improve the qualified rate of filling.

The invention discloses an environment-friendly road construction method which comprises the following steps: S1, road surface crushing: after reaching a to-be-maintained road surface, crushing a corresponding road surface asphalt layer into small blocks through a hydraulic pickaxe, and S2, collecting and storing: pushing a mounting vehicle plate to the side surface of the to-be-crushed road surface through a longitudinal guide wheel and a horizontal guide wheel, and then carrying out road surface maintenance. According to the device, the labor intensity of road maintenance personnel is effectively reduced, meanwhile, when the collecting device is used, only one maintenance personnel needs to use a hydraulic pickaxe to damage the road surface, and the device is simple in structure, convenient to use and high in practicability. The asphalt fragments are collected by one cleaning person through the collecting device, so that simple preparation work can be completed, the personnel density in a single area is reduced, safety accidents caused by collision between instruments and personnel are reduced, and the use safety of the collecting device is effectively improved.

A warehouse bottom bulk loader relates to the technical field of machinery, and comprises a material level probe, a hoisting mechanism assembly, a pipeline system, a bent trough, a spiral gate and a fluidized device, wherein the hoisting mechanism assembly is connected with the upper part of the material level probe; the fluidized device is arranged above the hoisting mechanism assembly; the spiral gate is arranged at the bottom of the fluidized device, and is connected with the bent trough; the pipeline system is connected to one side of the fluidized device; the bent trough is connected with a discharging chute; and the discharging chute is connected with a dust collector through a dust collecting pipe. The warehouse bottom bulk loader has the benefits that the dust collector is provided; the design is reasonable; the environment-friendly performance is good; material waste is avoided; the operation is easy; the use is convenient; the automation degree of loading is effectively improved; defects of excess discharging or insufficient discharging can be avoided; and the working performance is stable and reliable.