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60results about How to "Fast molding speed" patented technology

Two-photon polymerization 3D printing photoresist based on dynamic borate bond as well as preparation method and application of two-photon polymerization 3D printing photoresist

The invention discloses a two-photon polymerization 3D printing photoresist based on a boric acid ester bond and a preparation method thereof. The photoresist comprises a functional monomer containing the boric acid ester bond, a multifunctional acrylate monomer and a two-photon initiator, according to the two-photon polymerization 3D two-photon printing photoresist prepared by adopting the functional monomer containing the dynamic boric acid ester bond to reinforce and toughen conventional acrylic ester, the performance of resin is regulated and controlled by using different types of boric acid ester monomers and adding different proportions of boric acid ester monomers, the mechanical strength of the obtained photoresist can be regulated and controlled, and the performance of the photoresist is improved. Different parameters such as printing effect, hot residual weight and the like can be selected for a final application scene, and the method has a very wide application prospect.
Owner:LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS

Hot press molding process for metal product manufacturing

The invention relates to the technical field of metal processing, and discloses a hot press molding process for metal product manufacturing, which comprises the following procedures: S1, raw material preparation, S2, mold design and manufacturing, S3, preheating treatment, S4, hot press molding, S5, cooling and demolding, S6, post-treatment and S7, packaging and storage.The process can improve the product quality, and the product quality is improved through strict raw material preparation; according to the die, impurities are removed, the size precision is ensured, a foundation is laid for high-quality products, the shape and size precision of the products is ensured, the consistency and reliability of the products are improved, the hot-press forming process is optimized, the temperature, pressure and time are accurately controlled, a die cavity is fully filled with metal materials, internal defects of the products are reduced, and the product quality is improved. The mechanical property of the product is improved, meanwhile, the production efficiency is improved, the hot press forming difficulty is reduced through the reasonable preheating treatment and the segmented pressurizing and heating mode, and the forming speed is increased.
Owner:JIANGXI AITE MASS TRANSFER TECH CO LTD

Metal part forming die

ActiveCN222519951UReduces the possibility of blowholesquality improvementFoundry mouldsFoundry coresElectric machineryGas bubble
The utility model relates to the technical field of pouring dies, and discloses a metal part forming die which comprises a die holder, a lower die and an upper die, a rotating shaft is rotatably connected to the outer surface, close to the right end, of the front side of the die holder, a first motor is fixedly installed on the outer surface of the front side of the die holder, and a poke rod is fixedly arranged on the outer surface of the rotating shaft in a sleeved mode. A vertical plate is fixedly connected to the inner surface of the bottom of the mold base, a movable rod is movably inserted into the outer surface of the vertical plate, a spring is fixedly connected to the outer surface of the vertical plate, and a knocking head is fixedly connected to the outer surface, away from the baffle, of the movable rod. According to the metal part forming mold, a first motor drives a rotating shaft to rotate and drives a poke rod to rotate, the poke rod makes contact with a baffle and is matched with a spring, in the process that the rotating shaft drives the poke rod to rotate, a knocking head knocks the surface of a lower mold, bubbles in pouring liquid are removed, and the quality of formed parts is improved; and the possibility that air holes are formed in formed spare and accessory parts is reduced.
Owner:JIANGXI HONGXIN HARDWARE CO LTD

Modulator element for nuclear reactor and preparation method of moderator element

The invention relates to a moderator element for a nuclear reactor, the moderator element comprises a shell and a core block, the core block is a metal hydride moderator and is packaged in the shell, and the shell is a ceramic shell or a metal shell and is composed of a shell body and a cover body which are connected in a sealed mode. The invention also relates to a preparation method of the moderator element for the nuclear reactor. According to the moderator element for the nuclear reactor, the shell is prepared through the additive manufacturing forming technology, then the heat treatment technology is combined, densified packaging of the moderator is achieved, the problems that the moderator is prone to oxidation and corrosion in the using process are solved, and the requirement of the advanced nuclear reactor type for the moderator is met.
Owner:SHANGHAI INSTITUTE OF APPLIED PHYSICS CHINESE ACADEMY OF SCIENCES

Pipe fitting casting molding equipment and casting molding method

ActiveCN119567411Aevenly filledAvoid Hollow PhenomenonMouldsPipe fittingElectric machinery
The invention belongs to the technical field of pipe fitting processing and forming, particularly relates to pipe fitting casting and forming equipment and a casting and forming method, and provides the following scheme aiming at the problems that a mold cannot be fully and uniformly filled with existing slurry, the efficiency of manual coating of a release agent is low, the phenomenon of coating leakage exists, and meanwhile pipe fitting forming consumes time. Comprising a base, a U-shaped frame is fixed to the top of the base, a rotating column is rotationally connected between the top of the base and the inner wall of the top of the U-shaped frame, the outer wall of the rotating column is fixedly sleeved with a rotating base rotationally arranged at the top of the base, a plurality of round holes are formed in the top of the rotating base, and a first motor is fixed in the base. The inner mold rotates relative to the outer mold, then slurry can be evenly poured into the pouring cavity, the hollow phenomenon is avoided, the slurry in the pouring cavity is heated through the inclined holes in the later period, and the forming speed of the slurry is increased.
Owner:TAIGU LONGSHENG SPECIAL WEAR RESISTANT MATERIAL CO LTD

A regenerated cationic cellulose-based composite filter membrane, a preparation method thereof and application thereof in nano-plastic removal

PendingCN122643902AEfficient destructionImprove solubilityThioureaPolyvinyl chloride
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.
Owner:GUANGXI UNIV FOR NATITIES

Glass substrate plastic package mold opening device

The utility model relates to the technical field of glass substrates, and discloses a glass substrate plastic package mold opening device, the output end of an air cylinder penetrates through one side of a heating box and is fixedly connected with a pushing plate, one side of the heating box provided with a discharging groove is fixedly connected with a discharging channel, the discharging channel is provided with a first sliding groove, and a second sliding groove is formed in the first sliding groove. A baffle is connected into the first sliding groove in a sliding mode, a second sliding groove is formed in the discharging channel, and a moving block is connected into the second sliding groove in a sliding mode. According to the device, the driving motor I is arranged, so that the stirring blade II rotates so as to forward stir a molten glass blank in the heating box, and the rotating shaft I and the rotating shaft II rotate to drive the stirring blade I and the stirring blade III to reversely rotate so as to reversely stir the molten glass blank in the heating box; according to the glass substrate plastic packaging device, the heating box is arranged, so that a glass blank in the heating box can be better stirred after being melted, glass blank liquid is more uniform, the glass substrate plastic packaging effect is better, and the quality of the formed glass substrate can be effectively improved.
Owner:SUZHOU ASEN SEMICON CO LTD

Four-fold rolled square steamed bun production line combining machine

The utility model discloses a four-fold rolled square steamed bun production line combining machine which comprises a base, a dough pressing mechanism, a dough combining mechanism, a dough block conveying belt, a first dough sheet conveying belt and a second dough sheet conveying belt. A formed dough sheet conveying belt is arranged on the base; the dough pressing mechanism and the sheet combining mechanism are arranged at the two ends of the base respectively, the dough pressing mechanism is used for pressing dough blocks into dough sheets, and the sheet combining mechanism is used for combining the two dough sheets into one sheet; a formed dough sheet outlet of the sheet combining mechanism is in butt joint with one end of the formed dough sheet conveying belt; the dough block conveying belt is arranged above the formed dough sheet conveying belt, and one end of the dough block conveying belt is butted with a dough block inlet of the dough pressing mechanism; the first dough sheet conveying belt and the second dough sheet conveying belt are sequentially arranged above the dough block conveying belt; wherein the first dough sheet conveying belt and the second dough sheet conveying belt are configured to alternately move and are used for conveying dough sheets pressed by the dough pressing mechanism into the sheet combining mechanism and realizing butt joint between the two dough sheets. According to the four-fold rolled square steamed bun production line combining machine disclosed by the utility model, the operations of dough pressing, dough combining, forming, dough rolling and dough slicing of dough blocks can be completed, and the whole equipment is compact in structure and small in occupied area.
Owner:JIAOZUO LIMIN BOILER MANUFACTURING CO LTD

A catalyst settling system with good running stability and settling effect

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.
Owner:LIHUA YIHUIHAI NEW MATERIALS (LIJIN) CO LTD

Additive manufacturing method of an optical element and optical element

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.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

An aliphatic-aromatic polyester composition and 3D printed articles made therefrom

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.
Owner:KINGFA SCI & TECH CO LTD +2

Automatic feeding device for pad printing machine

The utility model relates to the field of pad printing machines, in particular to an automatic feeding device for a pad printing machine, which is characterized in that two groups of second telescopic rods are symmetrically mounted on one side, far away from a side plate, of the top of a worktable along the vertical direction, a storage bin is arranged above the worktable, and the output ends of the second telescopic rods are in transmission connection with the storage bin; fixing frames are installed on the inner walls of the two sides of the storage bin, a conveying belt is installed at the other ends of the fixing frames, a plurality of limiting blocks are evenly distributed on the surface of the conveying belt at equal intervals, a second pneumatic gripper is installed on each limiting block, and the ends, away from the conveying belt, of the limiting blocks are attached to the inner wall of the storage bin in a sliding mode. And an electric rotating disc is installed at the top of the workbench, the output end of the electric rotating disc is in transmission connection with a mechanical arm, and a first pneumatic grabbing clamp is installed at the other end of the mechanical arm, so that damage caused by collision of raw materials in the storage bin and the material receiving box is reduced, the working efficiency is improved, and integration of feeding and material receiving is achieved.
Owner:江西优印智能装备有限公司

Fuel element containing moderator and preparation method thereof

The invention relates to a moderator-containing fuel element which comprises a shell and a core block, the core block is packaged in the shell and comprises fuel particles distributed in a moderator in a dispersed mode, and the shell is a ceramic shell or a metal shell and is composed of a shell body and a cover body which are connected in a sealed mode. The invention further relates to a preparation method of the fuel element containing the moderator. According to the fuel element containing the moderator, the shell is prepared through the hot pressing sintering or additive manufacturing forming technology, then the heat treatment technology is combined, densified packaging of the moderator and the fuel is achieved, and the problems that the moderator and the fuel are prone to oxidation and corrosion in the using process are solved; and the design requirements of advanced nuclear reactor types on moderator-containing fuel elements are met.
Owner:SHANGHAI INSTITUTE OF APPLIED PHYSICS CHINESE ACADEMY OF SCIENCES

Candy pouring device

The present invention belongs to the technical field of candy pouring, and specifically relates to a candy pouring device, comprising a frame, and two accessory chains are fixedly installed with a plurality of movable components on one side close to each other; the movable component comprises a T-shaped block, a sliding sleeve is slidably connected to the outer side of the T-shaped block, the sliding sleeve is fixedly connected to a connecting block, a first spring is fixedly installed on the upper side of the T-shaped block, a second spring is fixedly installed on the lower side of the T-shaped block, a trapezoidal block is fixedly connected inside the frame, a limited position block is fixedly connected inside the frame, and a limited position groove is provided on the side of the sliding sleeve close to the T-shaped block. The present invention can drive the sliding sleeve to slide up and down during the movement of the accessory chain, thereby making the candy molding plate abut against the pouring nozzle of the pouring mechanism, which can reduce the time that the candy slurry stays in the air, thereby preventing the residual material of the pouring nozzle from staggeredly dripping on the surface of the candy molding plate with the molding groove, and at the same time, it can make the pouring nozzle more accurately aligned with the molding groove when discharging material.
Owner:GUANGDONG WINGOO ANIME FOODS CORP LTD

False tooth casting machine

The utility model discloses a denture casting machine, which relates to the technical field of denture manufacturing, and comprises a base, a casting head, a casting cylinder and an auxiliary structure, the base is provided with a fixed cavity, the casting cylinder is fixed at the top of the fixed cavity, a module is arranged in the casting cylinder, a mounting cylinder is arranged in the fixed cavity, and a cooling pipe filled with cooling liquid is spirally arranged in the mounting cylinder. The casting barrel is arranged in the fixing cavity, the cooling pump is fixed to the bottom of the mounting barrel, the two ends of the cooling pipe are fixedly communicated with an inlet and an outlet of the cooling pump, and the auxiliary structure is located in the mounting barrel and used for improving flowing of air in the mounting barrel. The casting cylinder is wrapped by the cooling pipe in the mounting cylinder, meanwhile, the flowing of air in the mounting cylinder is improved through the auxiliary structure, hot raw materials in the module can be rapidly cooled, and the forming speed of the raw materials is increased.
Owner:NINGBO XINZHIMEI DENTURE CO LTD

External high-precision disassembly-free outer formwork fixing connecting piece

The utility model provides an external high-precision dismounting-free external template fixing connecting piece, which belongs to the technical field of building insulation boards, and comprises a fixing disc and an anchor rod connected to the bottom of the fixing disc, the bottom of the anchor rod is connected with an anchor tip, the fixing disc is provided with an insertion hole, and the upper end of the anchor rod is provided with at least two groups of positioning ports communicated with the insertion hole; and an anchor cover is further included, two inserting columns and two protruding parts are symmetrically arranged at the bottom of the anchor cover, and when the inserting columns and the protruding parts are inserted into the inner bottoms of the inserting holes, the protruding parts bounce outwards and are fixed to the positioning openings. In actual use, the reinforcing mesh is installed between the anchor cover and the fixing disc, the reinforcing mesh is clamped between the anchor cover and the fixing disc through the anchor cover, and fixing of the reinforcing mesh is achieved. Extra parts for fixing the reinforcing meshes are not needed, the construction steps of the thermal insulation wall are simplified, and the forming speed is increased. Fins with different angles and densities are further arranged on the anchor rod, the occlusal force and stability of the anchor rod on the heat preservation plate and the concrete wall are improved through the fins, and the anchor rod is further prevented from being pulled out.
Owner:SHANDONG JIANGUOHAIGANG NEW MATERIAL TECH CO LTD

Wax mould injection device

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.
Owner:NINGBO SUIJIN MASCH TECH CO LTD

Manganese zinc ferrite magnetic core forming die

The utility model discloses a manganese zinc ferrite magnetic core forming die, which relates to the technical field of manganese zinc ferrite magnetic core production, and comprises a bottom plate, a forming die assembly is arranged at the top of the bottom plate, the forming die assembly comprises a support table arranged at the top of the bottom plate, a heat-resisting seat is arranged at the top of the support table, and the heat-resisting seat is arranged at the bottom of the bottom plate. Two sets of symmetrically-arranged mold shells are installed on the top of the supporting table, molding layers are installed on the inner sides of the mold shells, heat dissipation cavities are formed in the inner sides of the molding layers, and ventilation pipes are installed on the front faces of the mold shells. The heat dissipation cavity is formed, the air blower is installed on the front face of the mold shell through the ventilation pipe, the air blower operates to generate suction force, outside air is needed, the air is conveyed into the heat dissipation cavity through the ventilation pipe, and the multiple sets of ventilation channels are formed in the heat dissipation cavity and used for increasing the heat dissipation speed of the molding layer. And the forming speed of the manganese zinc ferrite magnetic core is accelerated.
Owner:ZHEJIANG XIANFENG ELECTRONIC TECH CO LTD

Irrigation timer water inlet threaded knob forming mold

ActiveCN224224291UImprove molding efficiencyPrecise control of temperature gradientsScrew-threads articlesGear wheelProcess engineering
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.
Owner:NINGBO HANCI ELECTRICAL CO LTD

Extrusion forming device of light guide plate

The invention relates to the technical field of light guide plate forming equipment, in particular to a light guide plate extrusion forming device which comprises an insert replacing mechanism used for rapidly replacing inserts in a mold core. In the invention, after a lifting hook of suspension equipment is buckled with four lifting rings at the top of an insert block, the insert block which is seriously abraded is lifted, then a screw rod I is driven to rotate by a servo motor I, so that a jacking block in a fixed shell is driven to jack the overlapped insert blocks to rise, and clamping seats in sliding cavities on two sides are driven to get close to each other, so that the insert blocks can be clamped and fixed. The second inclined guide face of the clamping base and the first inclined guide face of the insert block are made to slide in an attached mode, so that a new insert block can be driven to ascend to keep the top faces of the other two parts of the insert block flush, the replaced insert block can be conveniently and rapidly installed and positioned, the insert with the reduced precision is partially and rapidly replaced, and the replacement efficiency is improved. And not only can the complicated operation of replacing the whole insert be omitted, but also the high mold cost can be saved, and the production quality of products is effectively guaranteed.
Owner:GUANGZHOU HONGYI PLASTICS CO LTD

A method for constructing dry-hard concrete for airport pavements

ActiveCN117626736BImprove construction strengthreduce liquidityIn situ pavingsRoads maintainence
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.
Owner:CHINA RAILWAY BEIJING ENG GRP CO LTD +1

Spinning machining device

The utility model discloses a spinning device, which is used for spinning products and comprises a workbench, a sliding rail is arranged on the workbench, two groups of cutter wheel components are arranged on the sliding rail, and the two groups of cutter wheel components are oppositely arranged. Comprising a rotating main shaft, a mold part and a tail top, the tail top is arranged on the workbench and arranged on the side, facing the rotating main shaft, of the sliding rail, and the tail top is matched with the mold part to clamp the product part; the cutter wheel assembly comprises a cutter wheel seat and a power cutter wheel. According to the utility model, the production efficiency of spinning processing is improved to a certain extent.
Owner:HUIZHOU PROSPER CNC MASCH CO LTD

Ferrocenyl dynamic covalent network monomer, 3D printing resin containing same and application

PendingCN121991140ABoth photo-curing activityParamagneticMetallocenesPolymer sciencePolymer network
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.
Owner:XINLIANJUKE (SHANGHAI) NEW MATERIALS CO LTD

Charging aluminum bar terminal reinforcing structure and manufacturing method thereof

The invention relates to the technical field of ultrasonic welding, and provides a charging aluminum row terminal reinforcing structure and a manufacturing method thereof.The charging aluminum row terminal reinforcing structure comprises an aluminum row terminal, a plug-in terminal and a fastener for fixing the aluminum row terminal and the plug-in terminal, the aluminum row terminal is provided with a groove capable of containing the plug-in terminal, and the aluminum row terminal is provided with a groove capable of containing the plug-in terminal. According to the invention, the lower holes and the upper holes are punched in the aluminum row terminal and the plug-in terminal, and the ultrasonic welding surface is riveted and reinforced by adopting a pressing riveting mode of the lower rivet, the upper rivet and the rivet sleeve, so that the ultrasonic welding surface is not damaged, and the ultrasonic welding surface is not damaged. The structure is simple, the reinforcing mode is firm, and the problems that when a copper bar and an aluminum bar are welded through traditional ultrasonic waves, due to the fact that the surface hardness of the copper bar and the aluminum bar is high, the fusion effect between molecular layers formed by mutual friction between the copper bar and the aluminum bar during ultrasonic welding is not good enough, the welding tearing force is small, and the welding face is prone to falling off are solved.
Owner:TECHONG (SHANGHAI) NEW ENERGY TECHNOLOGY CO LTD

A rapid prototyping geopolymer concrete precast component and a method of making the same

ActiveCN118307246BInhibit rapid reactionsharden fastSodium metasilicateKaolin clay
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.
Owner:WUHAN UNIV OF SCI & TECH

3D printing method

The invention discloses a 3D printing method, and relates to the technical field of 3D printing. A control system is used for separating a part model into an additive manufacturing area and an injection molding / casting area, the additive manufacturing area is subjected to material deposition by a feeding forming system according to a layer-by-layer deposition mode, and injection molding / casting is started by an injection molding / casting forming system after the set number of layers is accumulated; the feeding forming system forms a shell in an additive manufacturing mode, the injection molding / casting forming system fills an inner cavity, the shell is formed in multiple steps according to the shape of a part model, and shell forming and inner cavity filling are controlled to be carried out alternately. The 3D printing method provided by the invention is particularly suitable for production of parts with large sizes and complex structures, the forming speed is higher than that of a traditional additive manufacturing process, the forming capacity of the complex structures is higher than that of traditional injection molding and casting, and the application range is very wide.
Owner:SHANGHAI LISA NEW MATERIALS TECHNOLOGY CO LTD

A high-efficiency food forming device

The present invention belongs to the technical field of food processing, and specifically is an efficient food forming device, comprising a group of cutting components arranged in parallel, wherein a slide plate is slidably connected in the cutting component, a pressure rod fixedly connected to the top of the slide plate penetrates the cutting component and extends to the upper part of the cutting component, and a pressure handle is fixedly connected to the top of the pressure rod; when the pressure handle slides downward to the bottom, the slide plate does not completely escape from the cutting component; handles are symmetrically fixedly connected to the top of the cutting components on both sides through brackets; a pair of limiting rods are fixedly connected to the two brackets, and the pressure rod is located between the limiting rods and slidably connected to the limiting rods; the present invention can obtain a glutinous rice ball that matches the shape of the cutting component by placing the cutting component on the top of the glutinous rice cake and pressing and cutting it, and at the same time, multiple groups of cutting components are used for simultaneous cutting, which doubles the forming speed of the glutinous rice ball and improves the production speed of the glutinous rice ball.
Owner:GUIZHOU QIN JIHUANG FOOD CO LTD

Cooker handle injection molding mold

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.
Owner:HEBEI CHUIHUA CASTING CO LTD

Aluminum bar casting forming device

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.
Owner:HENAN ZHONGHONG ALUMINUM CO LTD