40results about How to "Facilitate batch processing" patented technology

The invention provides a method of using the wind-induced vibration phenomenon of a micro structure to generate power and a micro generator based on wind-induced vibration mechanism and piezoelectric effect, wherein the micro generator comprises a silicon underlay, a composite beam / membrane comprising a piezoelectric layer and metal electrodes on the upper surface and the lower surface thereof, and the like. When the load of environmental wind causes the vibration of the composite beam / membrane structure comprising the piezoelectric layer, the vibration of the beam / membrane structure can cause the alternative change of the stress of the piezoelectric layer; due to the piezoelectric effect, the upper metal electrode and the lower electrode of the piezoelectric layer can generate an alternatively changed electric potential difference; and the electric potential difference can supply power for the load or a power accumulator. The composite beam / membrane structure comprising the piezoelectric layer can adopt a plurality of structure forms comprising a cantilever composite bema, a double-end fixedly supported composite beam, a multi-point fixedly supported composite part or a composite membrane which is partially and fixedly supported in the boundary. The micro wind turbine generator based on wind-induced vibration mechanism does not need a rotating mechanism, has a simple structure, is convenient to adopt silicon micro-processing technology to implement batch processing, has low cost, and is suitable for supplying power for wireless sensing network nodes, and the like.

The invention discloses a mini-piezoelectric wind energy collector with a flexible support. The mini-piezoelectric wind energy collector comprises a micro-bracket, a piezoelectric composite beam, a flexible support and a base, wherein the piezoelectric composite beam is connected with the base through the flexible support and the micro-bracket; electrodes are respectively arranged on an upper surface and a lower surface of a piezoelectric layer of the piezoelectric composite beam; a dynamic wind load causes the mini-piezoelectric wind energy collector to vibrate; an electric potential difference is generated between the upper surface and the lower surface of the piezoelectric layer; and power supplied to the load or an energy storage device can be realized by using the electric potential difference. The flexible support introduced by the invention is used for reducing the natural frequency of the mini-piezoelectric wind energy collector and ensures that the mini-piezoelectric wind energy collector generates strong vibration at a slower wind speed, therefore, a critical wind speed of the collector in normal use can be effectively reduced.

The invention discloses a composite damping plate made of a low-frequency damping metamaterial. The composite damping plate comprises a plate body, wherein the plate body comprises a first upper composite layer, a middle layer and a first lower composite layer; both the first upper composite layer and the first lower composite layer are fibrous composite layers; the middle layer is a viscoelastic film damping layer and bonded with the first upper composite layer and the first lower composite layer through viscous-flow-state damping rubber; a hole array is arranged on the plate body, and a mass slice is mounted in each hole and embedded into the viscoelastic film damping layer. The composite damping plate integrates a multi-layer damping vibration attenuation function and a low-frequency vibration isolation function of an acoustic metamaterial, has the outstanding advantages that the low-frequency damping capacity is high, frequency-selecting damping is realized easily and the like, and has good environmental protection performance; the composite damping plate can be applied to control of vibration with the frequency within 1000 Hz, the vibration and noise reduction performance is improved greatly compared with a traditional material, and the composite damping plate can be applied to reduction, isolation and control of low-frequency vibration and noise in automobiles, ships and other equipment.

The invention discloses a low-frequency vibration isolation metamaterial shaft structure. The low-frequency vibration isolation metamaterial shaft structure comprises unit cell units arranged in a series connection manner. Each unit cell unit comprises a shaft base body, an elastic ring arranged on the outer circumference of the shaft base body in a sleeving manner, and a mass ring arranged on the outer circumference of the elastic ring in a sleeving manner. Each elastic ring is evenly provided with buffering grooves in the axial direction of the elastic ring. The low-frequency vibration isolation metamaterial shaft structure is used for replacing a traditional mechanical device shaft system and has the outstanding beneficial effect that the low-frequency vibration isolation capacity is high, a forbidden band can be formed within 0-100 Hz, and spreading of torsional vibration is inhibited; and meanwhile, the low-frequency vibration isolation metamaterial shaft structure has small reduction on torsinal rigidity of the shaft system, the transmission efficiency of the shaft system is not affected, the structure is simple, and basis materials in use are all conventional materials, and batched machining and production are easy. The low-frequency vibration isolation metamaterial shaft structure can be used for lowering, isolation and control of low-frequency torsional vibration and low-frequency noise in automobiles, trains, vessels, airplanes and other devices.

The invention relates to a fibroin protein fiber scaffold and a preparation method thereof, after degumming of silk, the silk is soaked in an acid solution for dispersion to obtain a silk fiber dispersion solution; the silk fiber dispersion solution is injected into a mold for freezing to obtain a silk fiber frozen body; the silk fiber frozen body is immersed in an organic solvent to remove formic acid, and soaked and washed with deionized water to obtain a wet-state fibroin protein fiber scaffold; the-state fibroin protein fiber scaffold is coldly treated to obtain a frozen body, and the frozen body is frozen and dried to obtain the fibroin protein fiber scaffold. The internal structure of the fibroin protein fiber scaffold mainly comprises fiber, and the fibroin protein fiber scaffold has high porosity, high penetration rate and excellent mechanical properties, is very conducive to nutrient transport, cell migration and tissue growth, and is an ideal tissue engineering scaffold.

The invention discloses a synthetic method of P-methyl sulfone phenyl ethyl serinate, comprising the steps of S1, adding ethyl glycinate hydrochloride into methanol, and heating to dissolve to form afirst solution; S2, adding copper sulfate pentahydrate in the first solution to form a second solution by dissolving; S3, adjusting PH value of the second solution to meet the condition for alkaline reaction, adding P-methylsufonyl benzaldehyde to allow reaction, and holding the temperature and controlling the PH value to keep reaction condition values during reaction; S4, recycling methanol in the reacted materials, adding water to the residue to form a third solution, cooling, and centrifugally separating to obtain P-methyl sulfone phenyl ethyl serinate. The ethyl glycinate hydrochloride andP-methylsufonyl benzaldehyde are subjected to further reaction under the catalytic action of copper sulfate and an organic base to generate a target product; no sulfuric acid is used in the reactionprocess, the amount of waste acid in waste water is decreased, and the environment is protected; dangers that may occur during sulfuric acid transport and production are avoided, better safety is provided, and operating efficiency can be improved.

The invention discloses an acoustic metamaterial suspension vibration isolation structure. The suspension vibration isolation structure is formed by folding an elastic film and two wrapping layers in a bow-shaped manner, wherein the two wrapping layers are arranged on the upper side and the lower side of the elastic film. Periodic openings are formed in the wrapping layers, and a mass block is arranged at the position, at each opening, of the elastic film. By means of the acoustic metamaterial suspension vibration isolation structure, the function of multiple layers of damping vibration attenuation and the function of shock isolation of an acoustic metamaterial are achieved, and the acoustic metamaterial suspension vibration isolation structure has the outstanding beneficial effects that the low-frequency vibration attenuation capability is high, and frequency selecting attenuation is easy to achieve. By means of a bow-shaped folding plate structure, the requirement for large-range suspension rigidity design can be met, and the problem of high-frequency hardening does not exist. Generally speaking, the structure is simple, designability is good, base materials for use are all conventional materials, batched machining and producing are easy, and the structure is worthy of popularization in the industry.

The invention discloses a defect-state structure acoustic metamaterial plate. The defect-state structure acoustic metamaterial plate comprises an elastic film, two composite plates and a plurality of mass sheets; the two composite plates are bonded to the upper side and the lower side of the elastic film respectively; openings which are periodically distributed are formed in the composite plates; the plurality of mass sheets, corresponding to the openings, are arranged on the elastic film; and the mass sheets are of a defect-state structure in distribution. The defect-state structure acoustic metamaterial plate provided by the invention has the advantages of simple structure and excellent design. According to the defect-state structure acoustic metamaterial plate, used basic materials are conventional materials, and therefore, batched processing and production of the defect-state structure acoustic metamaterial plate can be achieved with easiness, and the defect-state structure acoustic metamaterial plate is worth popularizing in the industry.

The invention introduces a low-frequency vibration-reducing supermaterial composite damping plate, which includes a plate body, the plate body is composed of a first upper composite layer, a middle layer and a first lower composite layer, the first upper composite layer and the first lower composite layer The layers are all fiber composite material layers, the middle layer is a viscoelastic film damping layer, and the first upper composite layer and the middle layer and the first lower composite layer and the middle layer are bonded by viscofluid damping rubber; A hole array is opened on the plate body, and a mass sheet is respectively installed in each hole, and the mass sheet is embedded on the viscoelastic film damping layer. The present invention has both multi-layer damping and vibration reduction and acoustic metamaterial low-frequency vibration isolation functions, has outstanding advantages such as strong low-frequency attenuation ability, easy to realize frequency-selective attenuation, and good environmental protection performance; the structure can be used for vibration control within 1000 Hz, Compared with traditional materials, the vibration and noise reduction performance has been greatly improved, and it can be used for the reduction, isolation and control of low-frequency vibration and noise in automobiles, ships and other equipment.

The invention discloses a weather-resistant durable all-metal multipoint frequency selection vibration suppression structure which comprises a bracket plate and a plurality of vibration suppression assemblies. Square holes are formed in the bracket plate, the vibration suppression assemblies are arranged on the bracket plate and comprise mass blocks, elastic modules and cushion blocks, one end ofeach elastic module is positioned in the corresponding square hole, each mass block is adhered at the end of the corresponding elastic module, the other end of each elastic module is positioned on theupper surface of the bracket plate, the cushion blocks are arranged on the lower surface of the bracket plate and are positioned below the elastic modules, the elastic modules comprise first materiallayers, second material layers and third material layers, and the first material layers, the second material layers and the third material layers are arranged in a step-shaped manner from top to bottom. The weather-resistant durable all-metal multipoint frequency selection vibration suppression structure has the advantages that the weather-resistant durable all-metal multipoint frequency selection vibration suppression structure is a plane structure and is thin, the size of the weather-resistant durable all-metal multipoint frequency selection vibration suppression structure can be flexibly designed, and accordingly the integral weather-resistant durable all-metal multipoint frequency selection vibration suppression structure can be easily arranged in different types of narrow mechanicalequipment, is simple and is convenient to assemble; materials required by the weather-resistant durable all-metal multipoint frequency selection vibration suppression structure are conventional materials, accordingly, batch processing and production can be facilitated, and the weather-resistant durable all-metal multipoint frequency selection vibration suppression structure is worthy of being popularized and utilized in the industry.

The invention relates to trademark processing, in particular to a trademark cutting mechanism. According to the technical scheme, the trademark cutting mechanism comprises a tool rest and cutters arranged side by side along the length direction of the tool rest, wherein each cutter comprises a tool apron arranged on the tool rest, two electrode plates arranged on the tool apron and a heating wire electrically connected between the two electrode plates and used for cutting trademarks. The trademark cutting mechanism is favorable for processing of the trademarks in batches.

The invention relates to a natural fibroin protein fiber scaffold and a preparation method thereof. According to the invention, degumming fibroin protein fiber is dispersed into formic acid to obtain fibroin fiber dispersion liquid; sodium chloride is added in the fibroin fiber dispersion liquid to obtain a fibroin fiber-sodium chloride-formic acid mixing solution; the fibroin fiber-sodium chloride-formic acid mixing solution is volatilized to remove formic acid to obtain a fibroin fiber-sodium chloride solid; the fibroin fiber-sodium chloride-formic acid mixing solution or the fibroin fiber-sodium chloride solid are placed in a flowing water and / or organic solvent to remove sodium chloride to obtain wet fibroin fiber scaffold; and the wet fibroin scaffold is refrigerated and dried to obtain the natural fibroin protein fiber scaffold. The inner structure of the natural fibroin protein fiber scaffold takes fiber as a main part, the natural fibroin protein fiber scaffold has the advantages of high porosity amount, high penetration rate, and excellent mechanical properties, is in favor of nutrients conveying, cell migration, and tissue growth, and is the ideal tissue engineering scaffold.

The invention discloses a clamping tool for drilling of an end cover of a wind turbine generator shell. The clamping tool comprises a base plate, a mounting block, mounting rods, a fixing block, a mounting base, a locking block and a locking screw, wherein the base plate is of a circular-shape structure, the mounting block and the mounting base are fixedly connected to the upper end surface of thebase plate, the two mounting rods are fixedly connected to the upper end surface of the mounting block in parallel through screws, two ends of the fixing block are fixedly connected to the two mounting rods respectively, the locking block is inserted into the mounting base in the radial direction of the base plate, the locking screw is in threaded connection with the mounting base, and one end ofthe locking screw abuts against the locking block. The clamping tool has the advantages that structure is simple, clamping is convenient, batch machining of the end cover of the wind turbine generator shell is facilitated, and the using effect is good.

The invention relates to a spraying device for disk remanufacturing repair. The spraying device comprises a base plate. A trajectory round plate is fixed to the middle of the base plate. A plurality of concentrically-arranged ring grooves with the diameters being increased gradually are both evenly distributed on the left end face and the right end face of the trajectory round plate. Communicatinggrooves are formed between the adjacent ring grooves. The communicating grooves in the multiple ring grooves are all distributed in a staggered mode in the clockwise direction. Spraying mechanisms which are symmetrically distributed are arranged on the left side and the right side of the base plate and further comprise platform decks, vertical plates, spheres, connecting rods which are matched with the approaching ring grooves, spraying guns and turntables. A driving mechanism used for driving the turntables on the spraying mechanisms of the left side and the right side to rotate is arrangedon the rear side of the base plate. The spraying device for disk remanufacturing repair has the advantages that manufacturing cost and using cost are low; and two disks can be machined at the same time, production efficiency is greatly improved and batched machining can be better achieved.

The invention relates to the field of die equipment, in particular to a die perforating device comprising a machine frame. A first base and a second base are arranged in the machine frame. A pushing plate is connected to the second base in a sliding manner. An abrasive layer is connected to the pushing plate. The first base is provided with a cavity containing the pushing plate. The cavity is provided with an opening. The machine frame is provided with perforating equipment. A connection rod mechanism is installed on the upper side of the perforating equipment. The tail end of the connection rod mechanism is arranged on one side of the pushing plate. An elastic piece is connected between the tail end of the connection rod mechanism and the machine frame. According to the die perforating device, the pushing plate is arranged on the second base, the pushing plate is provided with the abrasive layer, the cavity used for containing the pushing plate is arranged in the first base, in this way, remaining chips and burrs, existing after perforating is completed, of the bottom of the die are removed, and a die part is perforated through the perforating equipment.

The present invention discloses a high-order diffraction suppression raster of a quasi-random structure, comprising a non-transparent substrate. The non-transparent substrate is provided with a plurality of polygonal primitives having the same shape and the same area and not intersecting each other, the non-transparent substrate is provided with a plurality of trapezoidal regions thereon, the plurality of trapezoidal regions are periodically arranged in a square lattice, the period of the square lattice is d, and each of the trapezoidal regions has only one polygon primitive. The centers of the polygonal primitives are randomly distributed within the trapezoidal regions. Compared with the existing high-order diffraction suppression raster, the process difficulty is effectively reduced, theproblem of re-introduction of high-order diffraction by the processing error of the primitives is solved, and 2n- and 3n-order high-order diffraction can be effectively suppressed in each waveband ofthe infrared light, visible light, extreme ultraviolet, soft X-ray, and the like, thereby providing technical guarantee and process support for improving spectral measurement accuracy and monochromatic spectral purity.

The invention discloses a convenient fixing tubular product slotting machine which can load, clamp and slot a tubular product automatically well. Moreover, during slotting, a first slotting machine and a second slotting machine can slot two different tubular products and slot the tubular products from two ends of the tubular products simultaneously. In such a manner, two tubular products can be machined at one time without turning the tubular products to be clamped again, so that the tubular product slotting efficiency and precision are improved effectively, the tubular product slotting reliability is guaranteed, and batched machining of the tubular products is achieved conveniently.

The invention relates to an array-type combined electrode used for dense group hole electrosparking and a preparation method thereof. Aiming at the defects that as for an existing electrode manufacturing technology, the difficulty is large, the efficiency is low, the cost is high, and the electromachining quality and efficiency are difficult to guarantee, by breaking through the key technologies such as extrusion forming manufacturing of standard single electrodes, design of array-type electrode moulds and rapid tightening and disassembling of electrodes, the array-type combined electrode usedfor dense group hole electrosparking and capable of being rapidly assembled and disassembled and flexibly combined and the preparation method thereof are provided. The preparation method comprises the specific implementation steps of design and manufacturing of the standard single electrodes; design and manufacturing of the array-type electrode moulds; design and manufacturing of an electrode base and combined baffles; assembly of a combined electrode tool; assembly of the standard single electrodes; and low-melting-point alloy casting and electrode fixing. The array-type combined electrode used for dense group hole electrosparking and the preparation method thereof have the advantages of low cost, high efficiency, high quality and high reliability, can achieve efficient and high-precision machining of a group hole structure, and meet the machining requirements of products in the military and civilian fields.

The invention discloses a treatment method for improving the attractive degree of a rattan-weaved product and prolonging the life of the rattan-weaved product. The treatment method comprises the following steps of (1) cleaning treatment, (2) coating treatment, (3) modification treatment and (4) drying treatment. According to the treatment method of the rattan-weaved product, the overall technologyis simple, batch treatment processing is convenient, and the prepared rattan-weaved product is high in attractive degree, good in appearance quality, high in anti-corrosion and anti-aging characteristics and long in service life and highly has application and popularization value and market competitiveness.

The invention provides bending equipment and a bending method. The bending equipment comprises a support, a transmission device used for bearing a chip, a fixing assembly and a first bending assembly,wherein the transmission device is arranged on the support; the fixing assembly comprises a first moving mechanism and a first pressing sheet, the first moving mechanism is connected with the first pressing sheet, the first moving mechanism drives the first pressing sheet to move, and the first pressing sheet is used for fixing a bus bar on the chip; the first bending assembly comprises a secondmoving mechanism and a second pressing sheet, the second moving mechanism is connected with the second pressing sheet, the second moving mechanism drives the second pressing sheet to move, and the second pressing sheet is used for pushing the bus bar to bend the bus bar. The bus bar on the chip does not need to be manually applied and bent, the technical problem that the yield is low due to low controllability of manual operation is avoided, and the yield and the processing efficiency of the bus bar laid on the chip are greatly improved.

The invention discloses an acoustic metamaterial suspension vibration isolation structure. The suspension vibration isolation structure is formed by folding an elastic film and two wrapping layers arranged on the upper and lower sides of the elastic film in a bow shape. There are periodic openings, and a mass block is arranged on the elastic film at each opening. The acoustic metamaterial suspension vibration isolation structure provided by the present invention has both multi-layer damping and vibration reduction and acoustic metamaterial vibration isolation functions, and has outstanding advantages such as strong low-frequency vibration attenuation ability and easy frequency selective attenuation. The bow-shaped folded plate structure can meet a wide range of suspension stiffness design requirements, and there is no high-frequency hardening problem. On the whole, the structure is simple, the design is good, and the basic materials used are all conventional materials, which are easy to process and produce in batches, and are worthy of promotion in the industry.

The invention discloses a high-order diffraction suppression grating with large process tolerance, comprising a light-proof substrate. The light-proof substrate is provided with a plurality of polygonal primitives having the same shape and the same area and not intersecting with each other, wherein the polygonal primitives have quasi-random distribution in a square array on the light-proof substrate. The light-proof substrate is provided with a plurality of rectangular regions, the plurality of rectangular regions are periodically arranged in a square array, the period of the square array is d, each rectangular region has only one polygon primitive, and the center of the polygonal primitive is randomly distributed in the rectangular region. Compared with the existing high-order diffractionsuppression raster, the process difficulty is effectively reduced, the problem that high-order diffraction is reintroduced due to the primitive processing error is solved; and 2n- and 3n-order (n isa non-zero integer) high-order diffraction can be effectively suppressed in each of the infrared, visible, extreme ultraviolet, soft X-ray, and the like, so as to provide the technical guarantee and process support for improving the spectral measurement accuracy and the monochromatic spectral purity.

The invention proposes a preparation method for a micro-fluidic chip which is used for detecting ultraviolet - visible absorption, the structure of the chip is designed for biochemical analysis in an ultraviolet - visible absorption detection system. The structure of the micro-fluidic chip is used polymeric material such as synthetic glass (PMMA) as a substrate. A transmitted through-hole step structure is processed in a detection point position designed by the chip and glass which can pass through ultraviolet is implanted in a step position, then, problems that low transmission of ultraviolet light of the micro-fluidic chip in polymeric substrate and short optical length caused by a micron dimension groove. The chip of new type has simple structure, easy process, low cost technics, and is easy to popularize and apply.

The invention discloses a processing technology of a ceramic ferrule. The processing technology comprises the steps that S1, a single ceramic ferrule is placed at a station between a grinding wheel and a guide wheel; S2, the two end parts of the ceramic ferrule are positioned; and S3, the guide wheel is started to drive the ceramic ferrule to rotate, and meanwhile the grinding wheel is started togrind the single ceramic ferrule. The invention further provides a processing device of the ceramic ferrule. According to the processing technology of the ceramic ferrule, when the single ceramic ferrule is processed, positioning is conducted at the two ends of the ceramic ferrule, unavoidable problems that a steel wire is bent due to stress and a gap exists between the steel wire and an inner hole of the ferrule in tradition are solved, and it is guaranteed that an emergence angle of the processed ferrule finished product meets the standard of being smaller than or equal to 0.1 degree in 100%; and the ceramic ferrule processed by adopting the technology is applied to an optical fiber connector, so that a step of adjusting points by adopting special equipment can be avoided, the cost is greatly reduced, and batch processing of the optical fiber connector is facilitated.

The invention discloses a computer network security firewall motherboard processing device, which includes a base, a position adjustment component, a positioning plate, a frame, a wire feeder, a welding component and a mover, wherein a frame is fixed on the base, and the A guide rope extending along its length is arranged on the frame, and a mover is movable on the guide rope. The bottom of the mover is connected with a welding assembly by a connecting arm, and the welding assembly is carried out by a wire feeder. supply wires, so as to realize the welding at the broken wire of the main board; The disconnection part on the main board is located directly below the welding assembly and extends along the direction of the guide rope, and the position adjustment assembly is arranged on the base.

The invention discloses a computer network security firewall mainboard machining device. The machining device comprises a base, a position adjusting assembly, a positioning plate, a rack, a wire supply device, a welding assembly and a mover, wherein the rack is fixed to the base, a guide rope extending in the length direction of the rack is arranged on the rack, the mover is movably arranged on the guide rope, the bottom of the mover is connected with the welding assembly through a connecting arm, the welding assembly is supplied with wires through the wire supply device, and thus welding of the broken wire position of a mainboard is achieved; the mainboard is positioned on the positioning plate, and the positioning plate is arranged at the output end of the position adjusting assembly, so that the broken wire part on the mainboard is located under the welding assembly and extends in the direction of the guide rope through adjustment of the position adjusting assembly, and the position adjusting assembly is arranged on the base.

The invention discloses a synthetic method of P-methyl sulfone phenyl ethyl serinate, comprising the steps of S1, adding ethyl glycinate hydrochloride into methanol, and heating to dissolve to form afirst solution; S2, adding copper sulfate pentahydrate in the first solution to form a second solution by dissolving; S3, adjusting PH value of the second solution to meet the condition for alkaline reaction, adding P-methylsufonyl benzaldehyde to allow reaction, and holding the temperature and controlling the PH value to keep reaction condition values during reaction; S4, recycling methanol in the reacted materials, adding water to the residue to form a third solution, cooling, and centrifugally separating to obtain P-methyl sulfone phenyl ethyl serinate. The ethyl glycinate hydrochloride andP-methylsufonyl benzaldehyde are subjected to further reaction under the catalytic action of copper sulfate and an organic base to generate a target product; no sulfuric acid is used in the reactionprocess, the amount of waste acid in waste water is decreased, and the environment is protected; dangers that may occur during sulfuric acid transport and production are avoided, better safety is provided, and operating efficiency can be improved.

The invention discloses a method for making ultrafine specially-shaped spinning holes. According to the method, a UV-LIG technology, a micro-electroforming technology, a electrodeposition technology and an etching technology are mainly utilized; furthermore, the making method includes the following steps that a photolithography mask pattern is designed; a guide hole photoresist die is prepared; a guide hole layer is subjected to micro-electroforming machining; the guide hole layer is subjected to planarization treatment, a spinning hole layer is subjected to electroforming machining, post-treatment is conducted; a spinning head specially-shaped hole etching mask is prepared; a spinning head specially-shaped hole is subjected to etching machining. By means of the method, one-time machining and forming of the ultrafine specially-shaped spinning holes can be achieved, the process is simple, efficiency is high, cost is low, and prepared spinning heads are diversified in structural form, high in accuracy, good un uniformity and prone to batched production.