27results about How to "Fast molding speed" patented technology

The application discloses a regenerated cationic cellulose-based composite filter membrane and a preparation method and nanometer plastic removal application thereof, and belongs to the technical field of regenerated cellulose water treatment filter materials. In the application, a sodium hydroxide-urea-thiourea ternary system is used to fully dissolve cellulose, the cellulose is modified by 2,3-epoxypropyl trimethylammonium chloride cation, a PVDF membrane is used as a base, and a hydrophilic composite filter membrane is prepared by vacuum filtration and loading of a cationized cellulose layer. The preparation process is mild, and the defects of the traditional cellulose membrane, such as insufficient dissolution, uneven pore size and poor screening precision, are solved. The filter membrane surface is positively charged, the hydrophilicity is greatly improved, the water contact angle is only 39°, the particle size of 50-500 nm carboxylated nanometer plastics can be efficiently intercepted, the removal efficiency of 100 nm polystyrene nanometer plastics reaches 97.01%, and the water flux is excellent. The process is green and low-cost, can remove polystyrene, polymethyl methacrylate and polyvinyl chloride nanometer plastics in a wide range, and has a good engineering application prospect in the field of deep treatment of water body nanometer plastic pollution.

The utility model relates to the field of petroleum chemical technology, concretely relates to a catalyst settlement system stable in operation and good in settlement effect, including clarification mechanism, sludge buffer tank, feed pipeline, sludge tank, backflow pipeline, overflow pipeline, filter press, filtrate tank and sludge discharge pipeline, the clarification mechanism includes a plurality of settlement tanks that are arranged side by side from front to back in proper order and the clarification tank that is arranged at the end of clarification mechanism, the bottom of clarification tank is provided with special ammonium sulfate solution discharge pipeline, is provided with ammonium sulfate solution pump on the ammonium sulfate solution discharge pipeline, the end of ammonium sulfate solution discharge pipeline extends to ammonium sulfate tank area, the outlet end of ammonium sulfate solution pump is equipped with a branch pipeline, this branch pipeline is connected with the feed inlet on the top of filtrate tank through regulating valve, the bottom outlet of filtrate tank is connected with the inlet of clarification mechanism through filtrate pump. The catalyst settlement system is stable in operation, and the downstream device operation cycle is prolonged.

The additive manufacturing method of the optical element provided in the application comprises the following steps: calculating the structure parameters of an axial gradient refractive index lens; establishing a UG three-dimensional model according to the structure parameters; adopting the forming slurry to perform light curing forming on the UG three-dimensional model; performing debinding treatment on the UG three-dimensional model after the light curing forming; performing sintering treatment on the green body after the debinding; and cleaning the sintered green body to obtain the lens with variable refractive index. The additive manufacturing method of the optical element provided in the application realizes the processing and manufacturing of the variable refractive index lens through DLP light curing 3D printing, improves the processing speed under the premise of ensuring the processing precision, and has the advantages of fast forming speed, small feature size and macro-micro cross-scale forming capability.

The present application provides an aliphatic-aromatic polyester composition and a 3D printing product prepared therefrom. The present application belongs to the technical field of 3D printing materials. The aliphatic-aromatic polyester composition comprises 8-25 parts by weight of polylactic acid, 75-90 parts by weight of aliphatic-aromatic copolyester and 0-3 parts by weight of a compatibilizer; the aliphatic-aromatic copolyester comprises diacid residues and diol residues; the diacid residues comprise 72-85 mol% of terephthalic acid residues and 15-28 mol% of succinic acid residues; and the diol residues comprise at least 1,4-butanediol residues in an equimolar amount with the diacid residues. The aliphatic-aromatic polyester composition has high flexural modulus and good low-temperature toughness, is used for 3D printing, and has high printing precision.

The invention relates to a wax mould injection device, which belongs to the technical field of mould injection and comprises a fixed mould mechanism and movable mould mechanisms arranged on two sides of the fixed mould mechanism, and the movable mould mechanisms on two sides move towards the fixed mould mechanism and inject wax moulds on two sides of the fixed mould mechanism. The fixed mold mechanism comprises a first fixed mold plate, core pulling mechanisms installed on the two sides of the first fixed mold plate, a driving mechanism driving the core pulling mechanisms to move and a demolding mechanism arranged in the first fixed mold plate and used for demolding an injected wax mold. The core-pulling mechanism comprises a first core-pulling assembly installed in the first fixed mold plate, a second core-pulling assembly installed on the other side of the first fixed mold plate and a linkage assembly connected with the first core-pulling assembly and the second core-pulling assembly. The wax mold injection device achieves the technical effects that the wax mold injection efficiency is improved, core pulling and demolding operation is accurately achieved, and the wax mold forming quality is guaranteed.

The utility model discloses a forming die for a water inlet threaded knob of an irrigation timer, and relates to the technical field of dies. Comprising an upper die and a lower die. The upper mold core and the lower mold core are respectively provided with a plurality of groups of cooling water paths and are matched with circulating cooling liquid of an industrial refrigerator, so that the integral forming efficiency of a threaded knob product is remarkably improved, threaded mold core internal cooling is additionally added especially for a threaded inner hole part, the temperature gradient of a key forming area is accurately controlled, the cooling time is greatly shortened, and the production efficiency is improved. Combined with the composite motion of the rotary demolding mechanism and the pushing mechanism, synchronous rotary ejection of a multi-thread mold core is achieved through gear linkage, the problem of deep thread mold sticking is effectively solved, batch rapid demolding is achieved while the product integrity is guaranteed, a guide rod and a buffer rod are cooperatively positioned, the forming process is stable and reliable, and the production efficiency is improved. The forming die is particularly suitable for precise and efficient production of knob products with internal threads, and the forming speed, the product yield and the service life of the die are comprehensively improved.

This invention provides a method for constructing dry-hard concrete pavements for airports, relating to the field of road construction technology. The method includes the following steps: Step 1: Preparing dry-hard concrete; Step 2: Surveying and setting out; Step 3: Installing formwork; Step 4: Mixing dry-hard concrete; Step 5: Spreading the dry-hard concrete within the formwork at the construction site; Step 6: Vibrating the spread dry-hard concrete; Step 7: Leveling, compacting, and smoothing the vibrated dry-hard concrete; Step 8: Roughening the surface of the dry-hard concrete; Step 9: Covering and curing the roughened dry-hard concrete until the curing period is complete, then removing the formwork, thus completing the airport pavement construction. In this invention, dry-hard concrete is used for pavement construction. The low fluidity of dry-hard concrete accelerates the concrete forming speed, shortens the formwork removal time, reduces the construction period, improves construction efficiency, and saves construction costs.

The invention provides a ferrocenyl dynamic covalent network monomer, 3D printing resin containing the same and application. According to the ferrocenyl dynamic covalent network monomer, a ferrocene unit is introduced into the monomer, a material can be endowed with paramagnetism, reversible fracture and recombination characteristics are endowed through dynamic covalent bonds, a dynamic covalent network can be constructed by introducing the monomer into a polymer network, and the material has photocuring activity, paramagnetism and dynamic responsiveness; and the method has a remarkable application prospect when being used for preparing intelligent functional devices through photocuring 3D printing.

The application relates to a rapid-forming geopolymer concrete prefabricated component and a preparation method thereof. The technical scheme is as follows: 125-150 parts by mass of sodium metasilicate is mixed with 200-235 parts by mass of water to obtain a solution; the solution is stirred until it is clear, and is cooled to 5-15 DEG C to obtain an alkali activator; the alkali activator is mixed with 225-285 parts by mass of metakaolin, 60-120 parts by mass of fly ash, 400-600 parts by mass of fine aggregate and 550-850 parts by mass of coarse aggregate, is stirred, is poured, and is shaped for 10-30 min; demolding is carried out, and maintenance is carried out at normal temperature for 2-7 days to obtain the rapid-forming geopolymer concrete prefabricated component. The application has the characteristics of high solid waste resource utilization rate, short forming time, low maintenance cost and high mold flow efficiency, can be directly operated on a construction site and can be rapidly and continuously produced, and the prepared rapid-forming geopolymer concrete prefabricated component has early compressive strength.

The utility model discloses a kind of cookware handle injection molding mould, it is related to cookware production technical field, including lower mould and upper mould, the upper mould is located above lower mould, the upper mould is connected with hydraulic device, the bottom of lower mould is fixedly connected with cooling mechanism, the cooling mechanism includes substrate, cooling plate and electric cylinder, lower mould is fixedly installed on the upper surface of substrate, electric cylinder is fixedly installed on the side of substrate, the utility model is cooled by setting cooling mechanism, cooling plate is driven by electric cylinder to cool the both sides of lower mould, it is combined with guide groove to gather cold air and absorb mould heat, the forming speed of cookware handle is significantly accelerated, while hydraulic device realizes mould stable moulding opening, guide groove guarantees moulding accuracy, sealing plate provides good sealing protection, effectively improve the efficiency and quality of injection molding.

The utility model relates to the technical field of aluminum bar casting, in particular to an aluminum bar casting forming device which comprises a supporting platform, supporting legs which are symmetrically distributed are fixedly installed on the two sides of the bottom of the supporting platform, a lower die is fixedly installed on the top of the supporting platform, and an upper die is arranged on the top of the lower die. And a supporting shaft is rotationally mounted on one side of the top of the supporting platform. According to the aluminum bar casting forming device, the supporting platform, the supporting legs, the lower mold, the upper mold, the injection nozzle, the fixing plate, the connecting block, the supporting shaft, the first gear, the second gear, the second servo motor and the hydraulic telescopic rod are used in cooperation. In the using period of the whole device, the position of the upper die is adjusted completely by means of the lifting and steering functions of the device in the assembling process of the upper die and the lower die, the upper die can be disassembled and assembled conveniently, external hoisting equipment is not needed, time and labor are saved, and the safety coefficient is high.

The utility model discloses a kind of super-high column formworks of steel mould and aluminium mould column cap combination, comprising: vertical column steel mould, horizontal aluminium mould plate and aluminium mould column cap assembly, horizontal aluminium mould plate is fixedly connected in aluminium mould column cap assembly bottom by bolt, vertical column steel mould top end is fixedly connected horizontal aluminium mould plate bottom end by bolt, vertical column steel mould includes steel mould plate and first angle steel, aluminium mould column cap assembly includes aluminium mould plate main body and second angle steel, first angle steel is fixedly connected between adjacent steel mould plate by bolt, second angle steel is fixedly connected between adjacent aluminium mould plate main body by bolt, the utility model has following advantages: the utility model vertical column steel mould, horizontal aluminium mould plate, aluminium mould column cap set adopts the mode of assembly, can be directly assembled in existing ground, finally adopt hoisting forming, construction efficiency is high, by locating block cooperation locating groove, it can guarantee that steel mould plate and first angle steel between, and aluminium mould plate main body and second angle steel between connection cannot occur displacement.

The present application relates to a kind of high polymer wood plastic furniture processing production equipment and method, including setting on the traction mechanism of extruder, the conveying mechanism being set on the side of extruder, several groups of bearing mechanism being set on the conveying mechanism, cooling forming mechanism being set on the conveying mechanism and assembly mechanism being set on the conveying mechanism, traction mechanism includes translation assembly being set on the end of extrusion tube of extruder and guide assembly being set on translation assembly, transmission assembly;The present application can be automatically processed and assembled into integrated filter pad with vortex line slope, without splitting cleaning, improve the sanitary environment of tea table, can produce different specifications of filter pad, meet market demand, increase enterprise benefit, to solve the technical problems that filter pad and placing groove of tea table are usually split combination design, need to be disassembled and cleaned tea leaf foam and tea stain, inconvenient to clean, prone to poor drainage, affect the sanitary environment of tea table.

This utility model discloses an injection mold for automotive trim parts that can be rapidly and uniformly cooled and molded. It includes a base, a mold foot on top of the base, an ejector pin cover plate at the bottom of the mold foot, a male mold core on a moving mold plate, a first cooling system outside the male mold core, a female mold core above a fixed mold plate, a cavity plate inside the fixed mold plate, and a second cooling system inside the cavity plate with a second cooling pipe located inside the cavity plate. The first cooling system of this utility model cools the male mold core, while the second cooling system cools the female mold core. This effectively reduces the temperature of the mold during operation, minimizing thermal stress and fatigue caused by high temperatures, while also accelerating the molding speed of automotive trim parts. By shortening the cooling time, the production of injection molded parts can be completed quickly, thereby reducing production costs.

The utility model provides a kind of frequency converter shell rapid prototyping injection mold, belong to mould technical field.It includes upper die plate and lower die plate, the upper die plate and lower die plate between being provided with forming cavity, the lower die plate top surface middle part is protrudingly provided with forming insert block, the forming insert block top surface middle part has two hollow part forming area, the hollow part forming area is provided with side glue runner structure, the forming insert block is protrudingly provided with four cylindrical forming blocks.By setting first lower cooling runner structure between lower die plate and forming insert block, setting second lower cooling runner connected with first lower cooling runner in cylindrical forming block, while setting side cooling runner structure in left and right side core-pulling mechanism, front side core-pulling mechanism and rear side core-pulling mechanism, overall cooling to forming critical area is realized, the design solves the problem of insufficient cooling of traditional mould, speeds up the forming speed of frequency converter shell.

The utility model relates to the technical field of dust cover machining, and provides a dust cover machining die which comprises a machining table, a first die is in threaded connection with the top end face of the machining table, a pressing groove is formed in the top of the first die, a top plate is arranged above the top of the first die, and a second die is welded to the bottom end face of the top plate. A demolding auxiliary assembly is arranged at the top of the top plate; according to the dust cover machining mold, a plastic plate is extruded through the first mold and the second mold, the plastic plate can form a dust cover after being pressed, a semiconductor chilling plate is used for absorbing heat, the temperature of a heat conduction block can be reduced, the temperature in a cooling box can be conveniently reduced, and low-temperature air in the cooling box is pumped out through an air blower and conveyed into a hollowed-out groove; the dust cover can be rapidly cooled, the forming speed can be increased conveniently, plastic deformation in the dust cover taking-out process is avoided, meanwhile, the dust cover can be taken out conveniently, the demolding difficulty can be lowered through the demolding auxiliary assembly, and the demolding effect is improved.

The utility model relates to a blowing valve technical field especially, more multi -position adjustable recyclable blowing valve, include: bottle blowing machine and bottle blowing assembly, the body of bottle blowing machine is provided with the blowing integrated assembly for installing at least one bottle blowing assembly, the blowing integrated assembly is provided with at least one gas path channel, and the gas path channel is communicated with the gas pressure of outside, the blowing integrated assembly still is provided with the air diffuser piece consistent with the number of bottle blowing assembly, and each air diffuser piece corresponds the bottle blowing assembly of corresponding, the blowing integrated assembly still is provided with the piston assembly for the plugging of gas path channel and the control device for controlling piston assembly, the blowing integrated assembly still is provided with throttle gear assembly, and throttle gear assembly can control the flow of gas in the gas path channel, and the gas path channel includes preblowing gas path channel, middle blowing gas path channel, high blowing gas path channel.

This invention discloses a solar evaporator for brine separation and its fabrication method based on 3D printing. The solar evaporator is fabricated using 3D printing and plasma cleaning technologies to achieve salt collection and water evaporation. The solar evaporator, from bottom to top, includes an open microchannel with a photothermal conversion coating on both surfaces, a water-collecting and salt-retaining structure, and a directional salt-deposition structure. The open microchannel has a porous structure, allowing the brine to flow and evaporate through capillary channels and a hydrophilic coating. The water-collecting and salt-retaining structure has a central water collection section and an outer salt collection section, separated by a baffle. The directional salt-deposition structure is located at the outer edge of the water collection section and is a cylindrical structure filled with a porous structure. In this invention, the liquid within each component of the evaporator can contact the external environment, effectively utilizing light and heat, significantly improving evaporation efficiency, and recovering salt scale while temporarily storing water.

This utility model discloses a building block forming mold, relating to the field of block forming technology. It includes a shell, with two longitudinally mounted longitudinal partition plates in the middle of the shell. A transverse partition plate is slidably mounted between the two longitudinal partition plates and the inner wall of the shell. Slots are provided on both sides of the upper end of the shell, and a snap-fit ​​component that mates with the slot is mounted on one side of the transverse partition plate. This utility model, through longitudinal support columns and a heat dissipation cavity, facilitates heat dissipation and improves heat dissipation efficiency, thereby accelerating the block forming speed. Furthermore, the cooperation of the longitudinal and transverse partition plates with the snap-fit ​​component allows for flexible adjustment of the internal space layout of the mold, improving the mold's adaptability to different shapes and sizes, and thus meeting diverse architectural design needs. Ultimately, it solves the problems of traditional molds having generally poor heat dissipation performance, slow block forming speed, and inflexible adjustment of block shape and size, improving production efficiency and mold adaptability.

The utility model discloses a new energy automobile's plastic accessory injection molding device, including work table, the top fixed coupling of work table has the supporting plate, the upper surface fixed mounting of supporting plate has the first cylinder, the output fixed connection of first cylinder has the upper die, the left side fixed connection of work table top has the box, the left side fixed mounting of box inner chamber rear end has the second cylinder, the output fixed connection of second cylinder has the connecting plate. The utility model discloses through setting's second cylinder and push board, second cylinder pushes the connecting plate and moves forward, and the sliding sleeve is driven to slide forward on the outer surface of the sliding rod, and the sliding sleeve drives the push board and moves forward, and the push board drives the lower die and moves forward, thereby the user will be convenient to take out the material of forming completion, prevents the material taking of workbench and taking out the device simultaneously and causes the harm of staff body, improves the security when taking the material, satisfies the demand of user.

The application relates to a high-flow easy-to-process thermoplastic polyurethane elastomer and application thereof, which comprises a reaction product of a polyisocyanate, a polymer polyol, a chain extender and an end-capping agent; wherein the number-average molecular weight of the polymer polyol is above 2200 g / mol, and the end-capping agent comprises a monohydric alcohol with more than 10 carbon atoms; the high-flow easy-to-process thermoplastic polyurethane elastomer is applied to a rubber-coated modified material containing the thermoplastic polyurethane elastomer; the modified material is obtained by mixing and processing the thermoplastic polyurethane elastomer and other polymer materials, and the processing mode comprises an injection molding processing technology; the rubber-coated modified material can be used for coating other materials and is used as a protective sleeve, a protective shell and other products of some 3C products. The thermoplastic polyurethane elastomer has a relatively fast forming speed and good mechanical properties, and the flowability of the thermoplastic polyurethane elastomer at low temperature is remarkably improved, which is beneficial to downstream processing.

The utility model discloses a forming device for a battery compartment sealing rubber ring, and relates to the technical field of sealing rubber ring forming. The forming device for the battery bin sealing rubber ring comprises a supporting base, a temperature control mechanism and a material lifting mechanism, a fixing mold is fixedly installed at the top of the supporting base, and a set of rubber ring grooves are formed in the top of the fixing mold; the temperature control mechanism is arranged above the supporting base and comprises a hollow block, heating plates and a cavity, the cavity is formed in the fixed mold, the hollow block is fixedly installed on one side of the cavity and communicates with the interior of the cavity, and the multiple sets of heating plates are fixedly installed at the bottom of the inner side of the hollow block; the material lifting mechanism is arranged above the supporting base and comprises a movable plate and a material ejecting plate. The temperature of the fixing mold is increased firstly, it is guaranteed that all the rubber ring grooves can be filled with rubber ring raw materials, rubber rings in all the rubber ring grooves can be formed completely, the quality and condition of the rubber rings are guaranteed, then the fixing mold is rapidly cooled, and the forming speed of the rubber rings is increased.

The present application relates to a kind of nuclear reactor moderator elements, it includes shell and core block, wherein, core block is metal hydride moderator and is encapsulated in shell, shell is ceramic shell or metal shell and is made of sealingly connected shell and cover body.The present application also relates to the preparation method of the above-mentioned nuclear reactor moderator elements.According to the nuclear reactor moderator elements of the present application, the shell is prepared by additive manufacturing technology, and the densification of the moderator is realized by combining with heat treatment process, which solves the problems of easy oxidation and easy corrosion in the use of moderator, and meets the requirements of advanced nuclear reactor type for moderator.

The utility model discloses a rapid prototyping plastic mould which comprises a fixed mould plate and a movable mould plate, the opposite outer walls of the fixed mould plate and the movable mould plate are respectively provided with an installation groove, a fixed mould and a movable mould are respectively and detachably installed in the two installation grooves, the end face, facing the movable mould, of the fixed mould is provided with a forming cavity, and the end face of the movable mould is provided with an opening. A mold core is arranged on the outer wall, facing the forming cavity, of the movable mold, cooling water flow channels are formed in the fixed mold and the movable mold, water inlet holes and water outlet holes are formed in the outer walls, located in the mounting grooves, of the fixed mold and the movable mold, and the two ends of each cooling water flow channel communicate with the corresponding water inlet hole and the corresponding water outlet hole; according to the utility model, when different dies need to be replaced, the water inlet hole and the water outlet hole in the die can be separated from the waterway joints after the die is disassembled, and the water inlet hole and the water outlet hole can be communicated with the corresponding waterway joints after the required die is installed, so that the water inlet and outlet pipeline does not need to be disassembled, and the use is more convenient.

This utility model relates to the field of injection molds and discloses a high-precision injection mold core, including an upper mold base. A first punch is fixedly connected to the bottom of the upper mold base, a second punch is fixedly connected to the bottom of the first punch, a fixing rod is fixedly connected to the bottom of the second punch, and a lower mold base is fixedly connected to the bottom of the fixing rod. A heat dissipation assembly is fixedly mounted on the top of the upper mold base. The heat dissipation assembly includes an aluminum heat sink, an aluminum heat sink plate, and a heat pipe. An aluminum heat-conducting fin is fixedly connected to one side of the heat pipe. In this utility model, heat is first transferred to a fan through the aluminum heat sink and heat pipe, and then the fan slowly dissipates the heat. This controls the overall temperature of the mold to prevent it from becoming too high, reducing the probability of demolding failure and solving the problems of difficult demolding due to excessive temperature and the time spent on manual repairs, thereby improving the production efficiency of injection molds.

The utility model discloses a large precast concrete member curing system which comprises a curing room, a flow guide groove, a heat distribution pipeline, a heat exchanger, a spray humidifier, a ceiling and a master control system, and a condensate water flow guide groove, the heat distribution pipeline, the heat exchanger, the spray humidifier, the ceiling and the master control system are all installed on the curing room. The diversion trench is installed on the inner ground of the maintenance room, and the heat exchanger is installed above the diversion trench. A heat distribution pipeline is installed above the heat exchanger, the spray humidifier is installed at the head of the maintenance room, a ceiling is installed at the top of the maintenance room, and a master control system is further installed on the maintenance room and used for achieving control related to air supply / air stopping, door opening / closing, ceiling opening / closing and temperature and humidity adjustment of the maintenance room. Automatic maintenance of the large prefabricated concrete member is achieved, maintenance time is shortened, labor is reduced, cost is reduced, and production efficiency is improved.

The utility model relates to the technical field of factory automation and mold manufacturing and production, and discloses a high-efficiency cooling fin special structure forming machine which comprises a workbench, the upper portion of the workbench is fixedly connected with a bottom plate, the lower portion of the bottom plate is fixedly connected with a connecting plate, and the lower portion of the connecting plate is fixedly connected with a beam plate. An upper pressing structure is arranged on the lower portion of the beam plate, and an automatic feeding structure is arranged on the upper portion of the bottom plate. According to the automatic feeding device for the high-efficiency heat dissipation fins, the high-efficiency heat dissipation fins can move on the upper surface of the containing plate through the automatic feeding structure, rhythm operation of the downward-pressing air cylinder, the upper piezoelectric cylinder and the air cylinder is controlled through the electric control box, and the special structure can be formed only by placing the plate-shaped high-efficiency heat dissipation fins into the proper position of the upper surface of the containing plate; the forming requirements of different heights are met, multi-procedure operation is avoided in a one-stop mode, and the forming speed is high.