72results about How to "Many processes" patented technology

The invention discloses an automatic pressing mechanism of an engine cylinder head oil passage hole sealing steel ball. The automatic pressing mechanism comprises a worktable, a pressing unit, a positioning unit and a feeding unit, wherein the pressing unit, the positioning unit and the feeding unit are located in a PLC control system and under the control of a main program, the pressing unit is arranged in a positioning mode and used for horizontally pressing the steel ball, the positioning unit is arranged in a positioning mode and used for positioning a workpiece, namely an engine cylinder head, and the feeding unit is used for loading and unloading the workpiece for the positioning unit. The pressing unit is provided with a ball outlet according to which when the steel ball pressing work is performed, the steel ball disengages from the pressing unit and instantly faces an engine cylinder head oil passage hole positioned by the positioning unit, and the opening of the engine cylinder head oil channel hole is located above a working item face. According to the automatic pressing mechanism of the engine cylinder head oil passage hole sealing steel ball, automatic pressing of the engine cylinder head steel ball can be achieved, production efficiency is improved, labor intensity is relieved, the assembling quality of a product is improved, and the automatic pressing mechanism has the advantages of being compact in structure, low in manufacturing cost and reliable in operation. The automatic pressing mechanism is suitable for automatic pressing of the engine cylinder head oil passage hole sealing steel ball.

An efficient sulfur-curing agent and its use are disclosed. It relates to circulation fluidized bed boiler combustion, solid sulfur and ash slag modification. The process is carried out by combusting for efficient sulfur-curing agent and coal to generate hydraulic gel material. The sulfur-curing agent consists of chalky clay, which comprises calcium oxide 35-44%, mineral agent with cand powder and / or calcium chloride fag end, the can powder contains calcium fluoride 40-60%, the calcium chloride fag end contains calcium chloride 30-40%. It's simple, efficient and convenient and has no environmental pollution. It has higher combustion heat utilization rate.

The invention provides a novel manufacturing and installing method for a cable holder. Holes are formed in the cable holder according to a certain technological standard, cable grooves, hoops, reinforcing ribs, fireproof division plates and the like can be arranged on supporting arms of the holder as needed, reserved holes are formed in the two walls of a cable trench, and then the cable holder and the walls can be assembled and disassembled fast through expansion bolts. Through material selection, premachining, accessory addition and preliminary combination of the cable holder, the installation procedure can be achieved at one step, so that the labor and the time are saved, the cost is saved, the problem that installation, maintenance, fixation, rust prevention, fire prevention and the like of an existing cable holder are difficult is solved, and the whole cable holder is stable, scientific in design, convenient to manufacture and install, safe and practical. Thus, the novel manufacturing and installing method is worthy of popularization and application.

The invention discloses a high-quality harmless utilizing method of a hyperaccumulator. The high-quality harmless utilizing method comprises the following steps: smashing and drying the hyperaccumulator, and sieving through a sieve of which the density is 100 meshes; carbonizing at a carbonization temperature being 450 to 550 DEG C and in carbonization time being 25 to 35 minutes, thus obtaining acarbonized material; immersing the carbonized material by using an alkaline solution of which the mass percentage is 45 to 55 percent; drying at 90 to 120 DEG C for 10 to 15 hours after immersing for20 to 28 hours, thus obtaining an amorphous particulate carbon block; activating the amorphous particulate carbon block into an activated carbon coarse product under a nitrogen atmosphere, wherein the activating temperature is 750 to 850 DEG C, and the activation time is 25 to 35 minutes; drying for 10 to 15 hours, thus obtaining metal-containing activated carbon with a catalytic effect; grindingthe activated carbon, thus obtaining an activated product HA-AC; adding 5 to 15 percent of the activated carbon product HA-AC to biomass or other reaction raw materials; putting a swelled material ina supercritical reaction kettle, and carrying out sealing reaction at the reaction temperature being 380 to 600 DEG C and the reaction pressure being 22.1 to 30 MPa, thus obtaining a hydrogen-rich gas. The high-quality harmless utilizing method disclosed by the invention has the advantages that additional metal loading is not required, a complicated preparation technology and a longer preparationperiod are not required, heavy metal can be fully stabilized, and secondary pollution can be avoided.

The invention belongs to the field of agricultural machinery, and relates to an automatic centering core-taking fresh lotus seed processing all-in-one machine which comprises a conveying mechanism, a shell removing mechanism, a centering core-taking mechanism and a membrane removing mechanism. The centering core-taking mechanism is a six-blade rotating shaft automatic centering core-taking mechanism which comprises an oblique sliding box, a geneva wheel device arranged below the oblique sliding box, a second sliding block, a core-taking needle installed on the second sliding block and a transmission device connected with the second sliding block; the geneva wheel device comprises a driving plate, a driven geneva wheel and a six-blade positioning wheel located on the same axis with the core-taking needle, the driving plate is provided with a round pin and an outward flange, the driven geneva wheel is provided with radial slots and inward flanges, when the round pin of the driving plate does not enter the radial slots of the driven geneva wheel, the corresponding inward flange of the driven geneva wheel is stuck by the outward flange of the driving plate, and therefore the driven geneva wheel is locked; when the round pin of the driving plate enters the radial slots of the driven geneva wheel, the corresponding inward flange of the driven geneva wheel is loosened from the outward flange of the driving plate, and therefore the driven geneva wheel is unlocked.

The invention is a side leakage photon crystal optical fiber, and its structure has one or two light wave high-equivalent refractivity linear regions extending outward from core region to pass through coating region and being parallel with the fiber core and having cross section height between half wavelength and wavelength of transmitted light, and its preparing method comprises the three steps of material selecting and processing, precast bar making, charging and wire drawing on wire drawing tower; the transmission losses of two vertical polarizing state of its guide mode have obviously difference, and it can use as single polarizing optical fiber itself and because of having stronger rotation sensitivity, it is suitable to small-rotating angle optical fiber sensing, and can be used for making standardized and automated production of high quality optical fiber couplers.

The invention relates to a method for preparing a cathode material lithium nickel cobalt aluminate for lithium ion battery by spray drying. A chemical general formula of the material is LiNi1-x-yCoxAlyO2, wherein x is more than 0.1 and less than 0.3, y is more than 0.01 and less than 0.15 and 1-x-y is more than 0 and less than 1. The preparation method comprises the following steps: mixing and sanding an insoluble nickel compound, an insoluble cobalt compound, an insoluble aluminum compound and a lithium compound for 2 to 8h, performing spray drying to obtain a lithium nickel cobalt aluminate precursor, and performing roasting to prepare the cathode material lithium nickel cobalt aluminate under an oxygen airflow by adopting a two-stage method. According to the method, spray drying is performed to rapidly evaporate water to obtain the uniform and dense spherical lithium nickel cobalt aluminate precursor after nickel, cobalt and aluminum are mixed on a nanometer scale by adopting an efficient sander, and the cathode material lithium nickel cobalt aluminate with stable electrochemical performance is finally obtained by stagewise roasting. The method is easy to operate and short in preparation cycle, and the product is high in quality and consistency, and can be continuously and industrially produced.

The invention discloses a lifetime prolonging method for a crankshaft bending upsetting forming die. The die of a crankshaft is designed to be of a split-type combined structure, and a crankshaft dieworking part is composed of a plurality of modules of a bending die, a positioning die, a forming die body, an anti-thrust die and the like. The forming die body is formed by inlaying of a die sleeveand a die core, and the structure of a forming party is designed to be two symmetrically-distributed cavities which alternately work to bear the high-temperature and high-loading effects, and meanwhile, the die core part is subjected to strengthening heat treatment. When the die conducts the forming work, firstly, a heated first crank throw blank is put into the one of the die symmetrical cavities, after die assembly, bending upset-extruding forming of the first crank throw blank is finished, then a manufactured piece is taken out, oxide skins in the cavities are blown away through nozzles, and lubricating heat-insulating agents are sprayed into the die cavities. According to the lifetime prolonging method, the crankshaft bending upsetting forming die can continuously work till two thousand or more pieces are manufactured, the production cost is greatly reduced, the production efficiency is improved, the processing working procedure is simple, and the lifetime prolonging method is easyto apply and popularize.

The invention provides an interlayer bonding agent for spraying a polyurea waterproof coating. The interlayer bonding agent comprises the following raw materials in parts by weight: 25.0-30.0 parts of polyether, 20.0-25.0 parts of polyester, 5.0-12.0 parts of TDI (Toluene Diisocynate), 7.0-25.0 parts of plasticizer, 15.0-25.0 parts of solvent, 0.2-0.5 part of initiator and 0.2-0.5 part of catalyst. Due to the adoption of the interlayer bonding agent, the defects of inaccurate mixture ratio and non-uniform mixing and stirring during field application as well as containing of harmful solvents such as methylbenzene, dimethylbenzene, trichloroethane and the like in a product existing in the conventional commercially-available bicomponent interlayer bonding agent consisting of epoxy resin and polyurethane are overcome, a single-component high-intensity interlayer bonding agent which is free from toxic solvent is obtained, a complete continuous coating layer can be formed by the waterproof coating in the construction process, and normal performance of mechanical construction is ensured. The interlayer bonding agent is an ideal assorted product for spraying a polyurea waterproof coating.

The invention discloses a method for preparing a Chinese medicinal composition for preventing and treating menoxenia. The method comprises the following steps of: preparing a certain amount of certain raw material medicaments (motherwort, nutgrass galingale rhizome, beautiful sweetgum fruit, Szechuan lovage rhizome and cowherb seed) into water-extracted thin extract by adopting water extraction and concentration or water-extracted alcohol-precipitated thin extract by adopting water extraction and alcohol precipitation; then putting dextrin or starch and the like serving as substrates into a one-step granulator, and spraying the water-extracted thin extract or the water-extracted alcohol-precipitated thin extract serving as adhesive into the one-step granulator to perform one-step granulation; and finally, reshaping the granules, and adding other auxiliary materials to prepare a Chinese medicinal preparation for oral administration. The method can obviously reduce the amount of the auxiliary materials, shorten the processing, concentration, drying and heating time and avoid destroying effective ingredients of the Chinese medicinal composition; the prepared granules have good fluidity, and the pressed tablets are quicker to disintegrate; and the process flow is simplified, the energy consumption is reduced, the production process is not easily polluted, and the quality of the finished product is well guaranteed.

The invention relates to a distributed calculating data forwarding method and device. The method comprises the following steps that: obtaining a preset process number; creating a process pool, wherein the process pool comprises subprocesses of which the amount is the preset process number; detecting whether a network port receives a connection request of a client side or not; when a detection result shows that the network port receives the connection request of the client side, detecting whether the subprocesss under an idle state are in the presence in the process pool or not; and when a detection result shows that the subprocesses under the idle state are in the presence in the process pool, responding to the connection request, and establishing connection between the client side and one subprocess in the subprocesses under the idle state. According to the preset process number, the preset quantity of subprocesses is created, the idle subprocesses in the process pool are connected with the client side after the connection request of the client side is detected, so that the number of the subprocesses connected with the client side is restricted in the preset process number so as to avoid a situation that the process number is excessive and excessive server resources are occupied, and the operation performance of the server is improved.

The invention discloses a preparation method of a traditional Chinese medicine composition for preventing and treating irregular menstruation. The method comprises the following steps: concentrating a certain quantity of raw materials medicine including motherwort, cyperus tuber, sweetgum fruit, hemlock parsley, seed of cowherb and spatholobus stem into water extract diluted extractum by water extraction, or concentrating the raw material medicine into water extraction and alcohol precipitation diluted extractum by water extraction and alcohol precipitation, then putting dextrin, starch or the like used as substrates into a one-step granulating machine, spraying the water extract diluted extractum or the water extraction and alcohol precipitation diluted extractum used as a binding agent into the one-step granulating machine for one-step granulation, finally grinding grains, and adding other auxiliary materials to prepare traditional Chinese medicine preparation for oral administration. The method can significantly reduce the quantity of the auxiliary materials, shorten the processing time and the heating time for condensation and drying, avoid the damage to the effective ingredients of the traditional Chinese medicine composition, simplify the process flow and reduce the energy consumption. The flowability of the prepared granules is high, the disintegration of compressed tablets is fast, the production process is not easily polluted, and the quality of finished products is ensured well.

The invention relates to a tail rope suspension device of a skip bucket and a method for replacing a tail rope. The tail rope suspension device is characterized in that rotating mechanisms are connected with a lifting ring by longitudinal bolts, and the lifting ring with a transverse circular hole is connected with a peach-shaped ring by transverse bolts; one end of the steel wire tail rope penetrates a groove of the peach-shaped ring and encircles the groove of the peach-shaped ring, and the lower side of the peach-shaped ring is firmly connected with the steel wire tail rope by rope clips. The method for replacing the tail rope includes releasing the rope clips; detaching the waste steel wire tail rope; enabling one end of a new steel wire tail rope to penetrate the groove of the peach-shaped ring and encircle the groove of the peach-shaped ring; clamping the lower side of the peach-shaped ring with the new steel wire tail rope by the rope clips. The tail rope suspension device and the method have the advantages of convenience, speediness, low labor intensity and cost, short replacement time and high efficiency.

The invention belongs to the technical field of batteries, and particularly relates to a secondary battery which comprises a top cover plate (1), a battery cell assembly and an insulating part (9) which is arranged between the top cover plate (1) and the battery cell assembly and is used for isolating the battery cell assembly from the top cover plate (1), wherein the at least one battery cell assembly comprises a battery cell body (3) and a tab (4) arranged on the battery cell body (3); and also comprises a pole (2) which penetrates through the top cover plate (1) and the insulating part (9) and is connected with the tab (4); the lower end of the pole (2) extends along the lower surface of the insulating part (9) to form an extension part (20), and the extension part (20) is fixedly connected with the tab (4). According to the invention, a switching piece is omitted, production parts and procedures are simplified, and the production cost is reduced. In addition, the invention also discloses a battery module and an electric device.

The invention provides a bridge support with a novel friction pair. A friction-reducing, wear-resisting and corrosion-resisting ceramic material is molded on rotary and sliding surfaces of the bridge support; and the material and a non-metal sliding plate form the novel friction pair of the bridge support.

The invention discloses a novel hidden framing glass curtain wall, which comprises an upright post, transverse beams and a glass board, wherein the glass board comprises a piece of glass and a secondary frame positioned on one side of the glass; the upright post and transverse beams on both sides of the upright post are connected through an inserting board in a penetrating manner; the side face of the upright post is provided with a vertical connecting slotted hole which corresponds to the inserting board; the front face of the upright post is provided with a fixing hole communicated with the connecting slotted hole; clamping grooves which correspond to the inserting board are formed inside the transverse beams; the outer surfaces of the transverse beams are provided with transverse fixing slotted holes which are communicated with the clamping grooves; the middle part of the inserting board is inserted into the connecting slotted hole, and both sides of the inserting board are inserted into the clamping grooves of the transverse beams on both sides of the upright post; the inserting board is provided with a plurality of positioning holes which correspond to the fixing holes, are fixed through positioning bolts, correspond to the fixing slotted holes and are fixed through positioning bolts. The novel hidden framing glass curtain wall has the advantages of accuracy and rapidness in installation. Moreover, the glass board is arranged indoors, so that the construction safety is ensured.

The present invention discloses a preparation method of traditional Chinese medicine composition for preventing and treating irregular menstruation, wherein the method comprises the following steps of: concentrating a certain amount of crude drugs containing certain ingredients (leonurus, Ligusticum wallichii, semen vaccariae and leatherleaf milletia) into a water extracted dilute extract via water extraction, or alcohol precipitating and concentrating the crude drugs into a water extracted and alcohol precipitated dilute extract via water extraction; then placing dextrin or starch and the like as a substrate into a one-step granulator, spraying the water extracted dilute extract or the water extracted and alcohol precipitated dilute extract acting as an adhesion agent into the one-step granulator for one-step granulation; finally, performing granule shaping, adding other accessories to prepare traditional Chinese medicine oral preparation. The method can reduce accessory amount obviously, shorten processing time and heated time for concentrating and drying, and prevent the effective constituents in the traditional Chinese composition from destroying; the prepared granule has good liquidity; the disintegration of the pressed tablet is faster; the process flow is simplified and energy consumption is reduced; the composition is seldom polluted during the production; the quality of finished product is ensured better.

The invention provides a flexible TFT used for a flexible display back electrode and a preparation technology thereof. Multiple units composed of gate electrodes, source electrodes and drain electrodes and filled by metal are manufactured on a flexible substrate, and carbon nanotubes contacted with the source electrodes and the drain electrodes are manufactured; then an insulating layer pattern which completely covers the carbon nanotubes and does not completely cover the source electrodes, the drain electrodes and the gate electrodes is manufactured, and the gate electrode jump wires and an insulating layer thin-film with through holes are prepared; a conductive thin-film, which fills the through holes and is contacted with the drain electrodes and solidified, is manufactured by using conductive ink; and the conductive thin-film is cut along the units so that multiple pixel electrode units are formed. A conventional flexible substrate preparation technology, which is complex, expensive and time-consuming, can be substituted so that production efficiency is enhanced and production cost is reduced. A carbon nanotube layer is prepared via spray printing without the requirement for a high-temperature working environment so that contraction and bending of the flexible base material caused by heating are not caused.

The invention discloses a wet dust-free concrete injection machine, which belongs to the technical field of engineering construction machines, and comprises a chassis, an injection machine, a lower dust box, an upper dust box, a dust absorption fan, an air flue, a dust removal box and a motor, wherein the dust removal box, the motor and the lower dust box are arranged on the chassis, the dust removal box is adjacent to the motor, the motor is adjacent to the lower dust box, the dust absorption fan is arranged above the motor, the upper dust box is arranged above the lower dust box, the dust absorption fan is communicated with the upper dust box and the lower dust box through the air flue, and the injection machine is arranged in the lower dust box. The invention solves the deficiencies of high dust concentration and large labor intensity of workers in the prior art, and high cost and complicated process of the wet injection machine, and the wet dust-free concrete injection machine adapts an operating manner of the conventional injection machine, and has the advantages of high working efficiency, low cost, no dust, convenience for operation and strong practicability.

The invention discloses a method for preparing a Chinese medicinal composition for preventing and treating menoxenia. The method comprises the following steps of: preparing a certain amount of certain raw material medicaments (motherwort, nutgrass galingale rhizome, beautiful sweetgum fruit, Szechuan lovage rhizome and cowherb seed) into water-extracted thin extract by adopting water extraction and concentration or water-extracted alcohol-precipitated thin extract by adopting water extraction and alcohol precipitation; then putting dextrin or starch and the like serving as substrates into a one-step granulator, and spraying the water-extracted thin extract or the water-extracted alcohol-precipitated thin extract serving as adhesive into the one-step granulator to perform one-step granulation; and finally, reshaping the granules, and adding other auxiliary materials to prepare a Chinese medicinal preparation for oral administration. The method can obviously reduce the amount of the auxiliary materials, shorten the processing, concentration, drying and heating time and avoid destroying effective ingredients of the Chinese medicinal composition; the prepared granules have good fluidity, and the pressed tablets are quicker to disintegrate; and the process flow is simplified, the energy consumption is reduced, the production process is not easily polluted, and the quality of the finished product is well guaranteed.

A puffed and dried multi-taste carrot with unique taste and rich nutrients is prepared from carefully chosen carrot through removing two ends, washing, peeling, washing again, cutting to become needed shape, dewatering, immersing in flavouring liquid, baking, puffing and packing.

The invention discloses a semi-circle type low-temperature novel expansion joint, and belongs to the technical field of flue gas desulfurization. The novel expansion joint comprises a plurality of wave joints which are sequentially connected end to end, wherein each wave joint comprises an arc-shaped wave joint body and first connecting parts which extend towards the horizontal direction of two sides through the wave joint body; and second connecting parts welded with the wave joint bodies and the first connecting parts into a whole are arranged above the head-section wave joint and below thetail-section wave joint. The smooth inner wall of each wave joint body has a good flow guide effect, the interior of the wave joint body is guaranteed to be dry, free of accumulated water and free ofcorrosion, effective telescopic deformation generated by the wave joint body is sufficient to compensate for flue temperature difference and additional stress caused by mechanical vibration under thecondition that the temperature is not high, and the novel expansion joint is suitable for a flue gas desulfurization flue.

The invention discloses a novel hidden framing glass curtain wall, which comprises an upright post, transverse beams and a glass board, wherein the glass board comprises a piece of glass and a secondary frame positioned on one side of the glass; the upright post and transverse beams on both sides of the upright post are connected through an inserting board in a penetrating manner; the side face of the upright post is provided with a vertical connecting slotted hole which corresponds to the inserting board; the front face of the upright post is provided with a fixing hole communicated with the connecting slotted hole; clamping grooves which correspond to the inserting board are formed inside the transverse beams; the outer surfaces of the transverse beams are provided with transverse fixing slotted holes which are communicated with the clamping grooves; the middle part of the inserting board is inserted into the connecting slotted hole, and both sides of the inserting board are inserted into the clamping grooves of the transverse beams on both sides of the upright post; the inserting board is provided with a plurality of positioning holes which correspond to the fixing holes, are fixed through positioning bolts, correspond to the fixing slotted holes and are fixed through positioning bolts. The novel hidden framing glass curtain wall has the advantages of accuracy and rapidness in installation. Moreover, the glass board is arranged indoors, so that the construction safety is ensured.

The invention discloses roxburgh rose rice wine. The rice wine comprises the following raw materials in parts by weight: 8-10 parts of roxburgh rose, 6-7 parts of passion fruit, 6-8 parts of rice, 24-26 parts of glutinous rice, 14-16 parts of corn and 3-4 parts of dendrobium nobile flower. The rice wine is prepared by preparing roxburgh rose, preparing passion fruits, steaming rice, mixing the materials, taking wine, fermenting again and blending. The glutinous rice and roxburgh rose pulp are fermented, and passion fruit pulp and dendrobium nobile flowers are added in the fermentation process.The fragrance and nutrient substances of the rice wine are improved through the passion fruit and the roxburgh rose; the dendrobium nobile flowers are soaked in the rice wine in the later period of fermentation, so that effective components of the dendrobium nobile flowers are fully dissolved in the rice wine, the rice wine residues and the corn are subjected to secondary fermentation and distillation in the later period to further extract nutritional ingredients in the roxburgh rose and the passion fruits, the process is simple, and the prepared roxburgh rose rice wine is rich in nutrition,rich in fruity flavor and cool in taste.

In the existing drinking water storage method in the prior art, a food plastic bottle is used for storing drinking water, and the average qualification rate of the drinking water sanitation is low. The invention relates to a method for storing the drinking water by a packaging film for containing liquid food, which is characterized in that the drinking water is filled into the packaging film for containing the liquid food, so the drinking water fills the packaging film of the liquid food, the drinking water in the packaging film of the liquid food is separated from packaging objects, and the drinking water in the packaging film of the liquid food and the packaging objects are separated by the packaging film for containing the liquid food. The method has the advantages that the direct contact of the driving water and the packaging objects is effectively avoided, the polluted chance is effectively avoided, the pollution chance caused by incomplete packaging object cleaning or improper disinfection or cleaning is effectively avoided, unnecessary work procedures which cause pollution or are unfavorable for sterilization in multiple work procedures in the prior art are omitted, the multiple work procedures in the prior art are changed into two work procedures, the qualification rate of the sanitation is effectively improved, the integral production cost is effectively reduced, facilities are few, and the investment is low.

The invention discloses a production technology of a high-thermal-shrinkage net. The technology includes the steps that polyvinylidene fluoride PVDF monofilaments are selected as high-stretching net warp and weft materials; a heavy rapier loom is adopted for weaving warp and weft, wherein the warp is woven through warping of a warp plate, and weft is woven according to a weaving pattern plate graph; finally, a net body is woven; a spiral ring penetrates into chemical fiber monofilaments (such as PEEK monofilaments / PVDF monofilaments) for connector processing, and a high-stretching net finishedproduct is obtained. The product is low in production cost, long in service life, completely suitable for meeting requirement for pulp producing of a modern wet-heat rotary drum machine, and capableof meeting the pulp producing requirement of various wet-process rotary drum machines at home and abroad.

The invention provides an asphalt pavement hot in-place recycling process. The process comprises the following procedures and flows: heating an old pavement, performing hot raking, reheating the old pavement, spraying an additive, performing hot raking or hot milling, adding a new asphalt mixture, forming a mixture belt, reheating the mixture belt, lifting and forcibly restirring, paving a regenerated mixture, and performing rolling forming. After the scheme is adopted, configuration is scientific, procedures are complete, structure is reasonable, heat efficiency is high, and quality is reliable.

The invention provides a gravity type classificator applicable to multiple vegetable seeds. The gravity type classificator is characterized by comprising a feeding port, a double-deck vibrating sievemachine, a vertical air box A, a vertical air box B and a vibration collecting device, wherein the double-deck vibrating sieve machine is arranged below the feeding port, the vertical air box A is arranged at the right side of the double-deck vibrating sieve machine, the vertical air box B is arranged at the right side of the vertical air box A, and the vibration collecting device is arranged at the right side of the vertical air box B; and a large-hole sieve tray is arranged on the upper portion of the double-deck vibrating sieve machine, a small-hole sieve tray is arranged on the lower portion of the double-deck vibrating sieve machine, a fan A is arranged at the bottom of the vertical air box A, a fan B is arranged at the bottom of the vertical air box B, and a classifying sieve tray isarranged on the top of the vibration collecting device. The large-hole sieve tray and the small-hole sieve tray effectively filter out large impurities and small impurities, the vertical fan A and the vertical fan B remove unfilled seeds and impurities, the large-hole sieve tray and the small-hole sieve tray can be replaced to adapt to the different kinds of seeds, and sieve holes with differentsizes of the classifying sieve tray can classify the seeds in size.