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210results about How to "Regular shape" patented technology

Aluminum plate shearing machine capable of polishing notches

The utility model discloses an aluminum plate shearing machine with a polishable notch, and relates to the technical field of plate shearing machines, the aluminum plate shearing machine comprises a machine table main body, a control box, a pressing plate and a shearing knife, the control box is installed on the outer side of the machine table main body, the pressing plate and the shearing knife are respectively installed on the inner side of the top of the machine table main body, and the shearing knife is located on the back of the pressing plate. According to the aluminum plate shearing machine with the notch capable of being polished, when a motor operates, a first rotating rod can be driven to rotate, when the first rotating rod rotates, an abrasive belt can be driven to move, when the abrasive belt moves, a second rotating rod can be driven to rotate, and at the moment, a sheared aluminum plate can be moved to the position above the abrasive belt; when the bottom of the auxiliary pressing block moves to the surface of the aluminum plate, the aluminum plate can be limited, so that the aluminum plate is not prone to tilting in the moving process, the aluminum plate is not prone to inclining and tilting in the pushing process through the limiting block and the auxiliary pressing block, and the shape of the sheared aluminum plate is regular.
Owner:FOSHAN WEIBANG BUILDING MATERIALS CO LTD

Preparation method of sphere-like submicron silver powder with controllable particle size

The invention discloses a preparation method of sphere-like submicron silver powder with a controllable particle size. The method comprises the following steps: 1, preparing a silver nitrate solution, an organic acid reducing agent solution and a dispersing agent solution; 2, preparing an organic acid salt reducing agent solution from a small amount of organic acid reducing agent solution, uniformly mixing the organic acid salt reducing agent solution with the polyacrylamide solution to form a base solution, and adding a small amount of silver nitrate solution to react to form nano-silver crystal nucleuses; 3, adding nitric acid and a dispersing agent solution, uniformly stirring, and then dropwise adding the residual organic acid reducing agent solution and the residual silver nitrate solution for silver crystal nucleus growth; and 4, washing and drying after solid-liquid separation. By controlling the adding mode of the reducing agent and the silver nitrate and reducing the silver nitrate in two steps, formation and growth of silver crystal nucleuses are controlled, regulation and control of the particle size of the sphere-like submicron silver powder are achieved, the sphere-like submicron silver narrow in particle size distribution, regular in morphology and good in dispersity is obtained, the preparation process is simple, green and environmentally friendly, and the method is suitable for industrial production. The method is suitable for heterojunction solar cells and high-end electronic devices.
Owner:NORTHWEST INSTITUTE FOR NONFERROUS METAL RESEARCH

Two-dimensional layered MXene nanosheet and preparation method thereof

The invention discloses a two-dimensional layered MXene nanosheet and a preparation method thereof, and belongs to the technical field of MXene preparation. The method comprises the following steps: (1) etching an MAX phase powder material by using hydrofluoric acid to obtain an etched MAX phase; (2) centrifuging and drying the etched MAX phase to obtain multi-layer MXene powder; (3) carrying out homogenization treatment on the multiple layers of MXene powder; and (4) carrying out rapid annealing treatment on the powder obtained after homogenization treatment to remove functional groups on the surface of MXene so as to prepare the MXene nanosheet with a regular structure and few defects. The method effectively avoids the oxidation problem of MXene, realizes feasible preparation with uniform thickness, stability, regular shape and fewer defects, and has the advantage of replacing an organic reagent intercalation preparation method to become a mainstream preparation method.
Owner:CHANGCHUN UNIV OF TECH

Starch-based hard carbon negative electrode material, preparation method thereof and sodium ion battery

The invention provides a starch-based hard carbon negative electrode material, a preparation method thereof and a sodium ion battery, and belongs to the technical field of battery materials. The starch-based hard carbon negative electrode material comprises single crystal particles, the single crystal particles comprise polygonal particles with angular morphology, and the angular degree is 90-130 degrees. The single crystal particles in the starch-based hard carbon negative electrode material provided by the invention are regular in morphology and have a corner angle morphology with a specific angle, the phenomenon of particle aggregation and fusion can be avoided, the physicochemical properties of the starch-based hard carbon negative electrode material are remarkably improved, the particle size distribution is uniform, the compaction is improved, and meanwhile, the sodium storage sites are also increased; the sodium storage capacity and the first effect are favorably improved.
Owner:NINGBO RONBAY LITHIUM BATTERY MATERIAL CO LTD

Spherical gold powder and preparation method thereof

The present invention provides a kind of spherical gold powder and preparation method thereof, relate to the technical field of precious metal powder preparation, the preparation method uses aqua regia to prepare chloroauric acid solution, and uses concentrated hydrochloric acid to adjust pH to 1.5-2, then adds ammonia water to adjust pH to 7-9, stirs 20-60s, then adds concentrated hydrochloric acid to adjust pH to 1.2-2 again, obtains mixed solution B;Then, the first dispersant solution is poured into the aforementioned mixed solution B, after stirring evenly, the mixed solution A of the second dispersant and the reducing agent is quickly added, after stirring reaction, sedimentation, post-treatment, obtains spherical gold powder. Wherein, spherical gold powder of different sizes with a particle size within the range of 0.3-4 μm can be prepared by adjusting pH twice, and adding two different dispersants in a specific order of addition can make the prepared spherical gold powder uniform in particle size, good in dispersibility, regular in shape and smooth in surface. The preparation method reacts rapidly, the process is short and stable, and it has been stably expanded to 500g, which can realize large-scale industrial production.
Owner:CHANGCHUN GOLD RES INST

Iron-based bimetallic catalyst as well as preparation method and use method thereof

The invention discloses an iron-based bimetallic catalyst as well as a preparation method and a use method thereof. The iron-based bimetallic catalyst comprises an active metal; the composite carrier comprises zirconium oxide, a zirconium-based organic framework and an iron-based organic framework, the zirconium-based organic framework is coated with the iron-based organic framework, and iron and the active metal are loaded on the zirconium oxide. The preparation method comprises the following steps: mixing zirconium nitrate pentahydrate and a first organic ligand for reaction to obtain a zirconium-based organic framework material; mixing the zirconium-based organic framework material, a second organic ligand and a metal salt for reaction to prepare a composite organic framework material; calcining the composite organic framework material, and soaking the calcined composite organic framework material in a metal salt solution; and carrying out drying treatment to obtain the iron-based bimetallic catalyst. The iron-based bimetallic catalyst is used for the catalytic reaction of carbon dioxide hydrogenation to generate low-carbon olefins.
Owner:EAST CHINA UNIV OF SCI & TECH

High-precision and fast-response ultrahigh pressure adjusting method based on real-time feedback control principle

The invention relates to a high-precision and fast-response ultrahigh pressure adjusting method based on a real-time feedback control principle, and belongs to the technical field of ceramic manufacturing. The high-precision and fast-response ultrahigh pressure adjusting method based on the real-time feedback control principle comprises the steps that after a pressure adjusting device is started, a target pressure value is set; a high-precision pressure sensor is used for monitoring the pressure value in the forming process in real time; acquiring data of the pressure sensor in real time through a data acquisition system, and performing filtering and correction processing; the controller calculates the deviation between the current pressure and the set pressure according to the set pressure value and the pressure value collected in real time; by means of the real-time feedback control technology, high-precision adjustment of pressure is achieved, it is ensured that ceramic powder is subjected to uniform pressure in all directions, particles are tightly arranged, the forming density is improved, meanwhile, due to the fact that the pressure is applied in the same direction, the powder particles are subjected to the same compression force in all directions, and it is ensured that ceramic blanks are uniform in density and regular in shape.
Owner:NANJING TECH UNIV

A bimetallic element doped silicon dioxide composite nanomaterial and its preparation method and application

The present application discloses a bimetallic element doped silicon dioxide composite nanomaterial and its preparation method and application. The composite nanomaterial comprises a metal element and silicon dioxide with a hollow shell structure; the metal element is selected from at least two of zinc, cobalt, nickel, manganese, copper or iron; the internal cavity size is 50 to 500 nm; the specific surface area is 500 to 1000 m 2 / g, pore volume is 1.2~2.0cm 3 / g. The process of this application is simple, and the removal of the template and the construction of a complex hollow mesoporous structure are achieved at the same time. The rich and ordered metal composition and unique coordination instability of the coordination polymer are used as a metal source and a structure-guided template to form an internal cavity and dope metal elements at the same time. The material has a regular morphology, uniform size, good dispersion, single / double shell and hollow structure, high specific surface area and large pore volume, and has good application prospects in catalysis, energy utilization and conversion.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

A method for preparing spherical crystals of 3,4-dinitrofurazanyl furazan oxide

ActiveCN116283818BHigh degree of spherificationregular shapeOrganic chemistry methods
The present invention is a method for preparing spherical crystals of 3,4-dinitrofurazan-based furazan oxide, and relates to the technical field of energetic crystal materials. The method comprises: 1) fully dissolving 3,4-dinitrofurazan-based furazan oxide, a crystallization solvent, and a crystallization additive; 2) lowering the temperature while stirring to form a supersaturated solution, and keeping the temperature for a period of time when a crystal nucleus appears; 3) continuing to lower the temperature while stirring until it drops to room temperature; 4) filtering, washing, and drying to obtain the product. The DNTF crystals obtained by the present invention have a very high degree of sphericity, a regular crystal morphology, a smooth surface, few transparent defects inside the crystal, and good fluidity. The process of the present invention is simple, easy to control, and the crystallization mother liquor can be recycled, which is conducive to reducing the pollution of the organic solvent to the environment, is low in cost, safe and reliable, and is suitable for industrial mass production.
Owner:ZHONGBEI UNIV

Ball screw set and linear actuator

The invention discloses a ball screw pair and a linear actuator, and belongs to the technical field of transmission structures, the ball screw pair comprises a nut, a screw rod and balls, a first spiral groove and a second spiral groove are matched to form a spiral raceway, a plurality of balls distributed in an extending mode are arranged in the raceway, the axial length of the nut is larger than that of a transmission part, and the screw rod is arranged in the screw rod. A groove is formed in the peripheral face of the transmission part, a return block is embedded in the groove, a part of the second spiral groove is formed in the outer side surface of the return block, a return channel communicated with the roller path is arranged between the inner side of the return block and the transmission part, and the balls moving to one end of the roller path return to the other end of the roller path through the return channel. The linear actuator adopts the ball screw pair. The balls complete circulation in the transmission part, a return structure does not need to be arranged on the nut, the structure of the nut can be simplified, the appearance of the nut is kept regular, and the balls cannot fall out of the roller path.
Owner:ZHEJIANG JIECHANG LINEAR MOTION TECH

Hot shearing and extruding short-process forming method for thick-wall cylinder based on hollow casting blank

The invention discloses a thick-wall cylinder hot shearing extrusion short-process forming method based on a hollow casting blank, and belongs to the technical field of manufacturing of hard-to-deform alloy thick-wall cylindrical parts. The method comprises the following steps that 1, the thick-wall hollow casting blank is prepared; step 2, hot shearing extrusion; step 3, heat treatment; and step 4, finish machining. The hollow casting blank is prepared by adopting electroslag remelting or electroslag liquid pouring refining; according to the hot shearing extrusion, the hollow casting blank is directly subjected to hot extrusion forming through an annular cylindrical part shearing extrusion die, the technological processes of repeated heating, multi-step hot forging blank manufacturing and the like are omitted, one or two heating number forming is directly conducted, the production cost of materials, energy, manpower and the like can be reduced by about 15%-30%, and the forming and manufacturing efficiency of the annular cylindrical part is improved; the forming-forming effect of the thick-wall cylinder is improved, and meanwhile short-process forming manufacturing of the thick-wall cylinder is achieved.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Porous alumina as well as preparation method and application thereof

The invention discloses porous alumina as well as a preparation method and application thereof, and relates to the technical field of porous materials. The preparation method comprises the following steps: firstly, carrying out hydrothermal reaction on aluminum hydroxide slurry containing aluminum hydroxide, aluminum oxide seed crystal and a dispersing agent, enabling porous aluminum oxide precursor slurry obtained by the hydrothermal reaction to be in an alkaline environment, adjusting the pH value of the slurry to 7.0-8.5 through acid adjustment, and then carrying out solid-liquid separation, calcination and other processes. Aluminum ions in the solution can be washed away in the solid-liquid separation (such as filter pressing) process through the acid adjusting process, large-particle single crystals in the porous aluminum oxide precursor are reduced, the obtained porous aluminum oxide precursor is uniform in crystal size, and the monodisperse porous aluminum oxide precursor is prepared through the synthesis section. And after subsequent calcination, the morphology is regular, the particle size distribution is narrower, and the monodisperse porous alumina powder can be obtained only through agglomeration formed by ultrafine scattering and calcination of the jet mill.
Owner:SUZHOU GINET NEW MATERIAL TECH CO LTD

Grain-size-controllable oversized cubic calcium carbonate and preparation method thereof

The invention discloses a preparation method of oversized cubic calcium carbonate with controllable particle size, which comprises the following steps: adding a saccharide additive into a CaCl2 solution, and uniformly mixing to obtain a CaCl2 mixed solution; then placing the CaCl2 mixed solution in a carbonization tower, slowly adding Ca (OH) 2 as a pH regulator into the CaCl2 mixed solution, and preparing large cubic calcium carbonate at 25 DEG C by a carbonization method; by monitoring the reaction pH value, stopping introducing CO2 when the pH value is about 7, separating a product through suction filtration, and then drying to obtain the large cubic calcium carbonate. Large cubic calcium carbonate is prepared through a carbonization method, the large cubic calcium carbonate with different sizes is obtained by controlling the pH value of a reaction system, the maximum particle size can reach about 30 microns, and the monodispersity is good.
Owner:GUANGXI HUANA NEW MATERIALS TECH CO LTD

Preparation method of nano high-entropy ferrite Fenton-like catalyst, prepared catalyst and application of nano high-entropy ferrite Fenton-like catalyst

The invention relates to an organic pollutant wastewater treatment technology, in particular to a preparation method and application of a high-entropy ferrite Fenton-like catalyst. The nano high-entropy ferrite is prepared through one-step growth by adopting a low-temperature solvothermal method in a strong alkaline environment, the chemical composition of the nano high-entropy ferrite is (MxCoxNi0. 2Cu0. 2Zn0. 2) Fe2O4, M is Mg and / or Mn, 0 lt, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, and x is less than or equal to 0.2. According to the invention, the catalytic activity and selectivity design of the Fenton-like catalyst is realized by regulating and controlling the chemical composition of the high-entropy ferrite, and the prepared flaky or regular octahedral high-entropy ferrite has higher catalytic activity than a single phase. The synthesis method of the high-entropy ferrite catalyst provided by the invention has the advantages of low preparation temperature, high universality, simplicity and feasibility, simple equipment and the like, and provides a new way and a new idea for application of the high-entropy ferrite material in the fields of catalysis, energy conversion and the like.
Owner:JIANGXI SCI & TECH NORMAL UNIV

Full-automatic wavy steel wire forming machine

The utility model relates to the technical field of steel wire automatic forming machines, in particular to a full-automatic steel wire wavy line forming machine which comprises an installation frame, a line pressing assembly is arranged at the bottom of the installation frame, and an extension module is arranged on the side face of the installation frame. The full-process automatic production of the wavy line formed by the steel wire can be completely realized, each part of the machine is simple and practical, the machine has the characteristics of low cost and high efficiency, the labor cost is saved, the risk of industrial injury is avoided, the machine is an advanced specialized machine, the driving motor is used as a power source, and the production cost is reduced. The driving motor drives the first gear and the second gear to rotate through the transmission structure, then conveying of the steel wire and forming of the wavy line are achieved, and the straightness of the steel wire in the conveying process and the regular shape of the formed wavy line are guaranteed through arrangement of the first straightener and the second straightener.
Owner:WEIHAI XINGTAI JINGGONG TECH CO LTD

Monocalcium phosphate / monocalcium phosphate spherical nano phosphate fertilizer as well as preparation method and application thereof

The invention discloses a monocalcium phosphate / monocalcium phosphate spherical nano phosphate fertilizer as well as a preparation method and application thereof. The phosphate fertilizer is prepared from a calcium source, a precipitator and a phosphorus source through a chemical precipitation method. The monocalcium phosphate / monocalcium phosphate spherical nano phosphate fertilizer particles are free of agglomeration, good in dispersity, uniform in size distribution and regular in morphology, and the size of the nano phosphate fertilizer particles can be controlled from 1 nm to 200 nm by adjusting the adding proportion of the precipitant. The phosphate fertilizer prepared by the preparation method disclosed by the invention has a nanoscale size, is beneficial to migration in soil and is more easily absorbed by plant root systems or leaves, and the nano phosphate fertilizer has a spherical regular morphology, is beneficial to coating of a sustained and controlled release material on the surface of the nano phosphate fertilizer, and realizes sustained and controlled release of the nano phosphate fertilizer; meanwhile, the prepared nano phosphate fertilizer contains a large number of functional groups, the surface of the nano phosphate fertilizer can be modified, and functional design of the phosphate fertilizer is achieved.
Owner:SHIHEZI UNIVERSITY

Lithium ion battery silicon-carbon negative electrode composite powder material and preparation method and production device thereof

The invention discloses a lithium ion battery silicon-carbon negative electrode composite powder material and a preparation method and a production device.The preparation method of the lithium ion battery silicon-carbon negative electrode composite powder material comprises the following steps that under the vacuum state, inert gas (nitrogen or argon) is introduced for protection, matrix powder is made to be in a fluidized state and heated, and the matrix powder is cooled to the room temperature to obtain the lithium ion battery silicon-carbon negative electrode composite powder material. Silicon source gas or carbon source gas is introduced, the heating temperature is higher than the cracking temperature of the silicon source gas or the carbon source gas, and after the silicon source gas or the carbon source gas is cracked, the surface of the matrix powder is coated with silicon or carbon; when the matrix powder is carbon powder, the introduced gas is silicon source gas; when the matrix powder is silicon powder, the introduced gas is carbon source gas. The nanoscale silicon-carbon negative electrode composite powder material prepared by the invention has the advantages of regular powder shape, high purity, strong interface bonding force between a surface coating material and basic powder, good coating consistency and low energy consumption.
Owner:HUNAN TIANJI SMART MATERIAL TECH CO LTD

Chamfer cutting device for pipe orifice of continuous oil pipe

The utility model relates to the technical field of coiled tubing operation, and discloses a coiled tubing orifice chamfer cutting device, which comprises a fixed barrel, a fixed sleeve, a fixed sleeve, a fixed sleeve, a fixed sleeve, a fixed sleeve, a fixed sleeve, a fixed sleeve and a fixed sleeve, wherein the front end of the fixed sleeve is connected with the front end of a coiled tubing to be cut; the front center rod is rotatably arranged in the fixed cylinder in a penetrating manner, a reamer seat is arranged at the front end of the front center rod, and a reamer used for cutting the coiled tubing is arranged in the reamer seat; the front center rod is sleeved with the return spring, one end of the return spring abuts against the end face of the reamer seat, and the other end of the return spring abuts against the spring fixing seat. The rear center rod is detachably connected with the front center rod and provided with an adjusting device which is used for abutting against the rear end face of the fixed cylinder so as to adjust the compression amount of the return spring, and the adjusting device can move in the axis direction of the rear center rod; when the rear center rod is rotated, the rear center rod drives the front center rod to rotate synchronously, so that the reamer cuts the pipe opening at the front end of the coiled tubing to form a chamfer, and therefore, the pipe opening is regular in shape, high in cutting quality and high in cutting efficiency.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +2

Silver-coated calcium carbonate multilayer core-shell structure composite powder and preparation method thereof

The invention discloses silver-coated calcium carbonate multi-layer core-shell structure composite powder and a preparation method thereof.The preparation method comprises the steps that firstly, the surface of inner core calcium carbonate is coated with a layer of SiO2 through a sol-gel method, a CaCO3 at-SiO2 core-shell structure is formed, then Ag is loaded on CaCO3 at-SiO2 through a reduction method, and the core-shell structure composite powder with CaCO3 at-SiO2 at-Ag double-layer shell layers is formed. According to the method, silicon dioxide is ingeniously used as a middle layer, calcium carbonate and silver can be well combined together in the presence of silicon dioxide, and the problem that calcium carbonate cannot be coated with silver is solved. The method provided by the invention provides a new method for preparing a calcium carbonate core-shell structure, and also provides a new research thought for inorganic coating.
Owner:GUANGXI UNIV FOR NATITIES +1

Portable traditional Chinese medicine decoction piece dispensing machine

The utility model discloses a portable traditional Chinese medicine decoction piece distributing machine which comprises a base and a main body, at least three pressure sensors used for weighing are arranged between the base and the main body, a medicine receiving tray is inserted in the base, a cylindrical medicine distributing cavity is formed in the middle of the main body, an axial feeding port is formed in the top face of the medicine distributing cavity, and a discharging port is formed in the top face of the main body. An axial discharging port is formed in the bottom face of the medicine distributing cavity, a medicine distributing assembly is arranged in the medicine distributing cavity and comprises a medicine distributing roller, a roller driving motor and a speed reducer, the outer cylindrical face of the medicine distributing roller is in sliding sealing fit with the inner wall of the medicine distributing cavity, and a multi-head spiral groove is formed in the outer cylindrical face of the medicine distributing roller. The main body is further provided with a main controller, an input and output panel, a motor control module and a battery. According to the portable traditional Chinese medicine decoction piece dividing machine, traditional Chinese medicine fed at a time can be equally divided into any parts, the labor intensity of medicine filling of pharmacists can be reduced, the medicine dividing accuracy is improved, and the medicine dividing requirements of various traditional Chinese medicine decoction pieces such as particles and branches and leaves can be met.
Owner:卢婧

Spandex special-shaped monofilament, preparation method thereof, spinning device and cellosilk

The invention provides a special-shaped spandex monofilament, a preparation method of the special-shaped spandex monofilament, a spinning device and cellosilk. The special-shaped spandex monofilament comprises a multi-leaf-shaped structure. The multi-leaf-shaped structure comprises blades and a central part formed by connecting the adjacent blades; each blade comprises a blade top part, a blade middle part and a blade root part; the blade tops of the adjacent blades are isolated from each other, and the blade middles of the adjacent blades are isolated from each other; the blade root parts of the adjacent blades are connected through a first curved surface which is sunken towards the central part; and the blade top part is a second curved surface which protrudes outwards. The special-shaped spandex monofilament provided by the invention has relatively high profile degree, can be prepared by adopting a spinneret plate, and is simple and convenient to operate, low in requirement on the performance of a spinning solution and high in section profile rate of a product.
Owner:ZHEJIANG HUAFENG SPANDEX

Production process of Chinese yam and Chinese wolfberry shrimp cake

The invention discloses a Chinese yam and Chinese wolfberry shrimp cake production process, and particularly relates to the technical field of food production, which comprises the following steps: preparing table salt, white sugar, vegetable oil, monosodium glutamate and pepper powder, Chinese yam powder, Chinese wolfberry powder and shrimp meat, removing heads, shells and shrimp lines of shrimps, mincing the shrimp meat by using a meat mincer, adding the table salt, the white sugar, the vegetable oil, the monosodium glutamate and the pepper powder on the basis of the shrimp meat, and uniformly stirring; the preparation method comprises the following steps: firstly, preparing shrimp meat paste, then adding Chinese yam powder and Chinese wolfberry fruit powder, chopping to form the shrimp meat paste, shaping the chopped shrimp meat paste by using a round mold, putting into a quick-freezing cabinet for quick-freezing, then putting into a refrigerator for freezing storage, and heating the prepared frozen shrimp cake product by using a heating box. The prepared shrimp cake is sufficient in moisture, moderate in hardness and chewiness, fine and smooth in taste, compact in texture, sufficient in shrimp flavor, regular in product shape, smooth in surface, attractive in color and luster, good in overall condition, good in taste, high in nutritive value, simple in production process, low in production cost and easy to produce and sell in a large scale.
Owner:GUANGDONG OCEAN UNIVERSITY

A nickel-zinc soft ferrite and preparation method thereof

The present application relates to the field of magnetic conductive materials, and specifically discloses a nickel-zinc soft magnetic ferrite and a preparation method thereof. A nickel-zinc soft magnetic ferrite comprises the following materials in parts by weight: 25-35 parts of an iron source, 3.5-9.5 parts of a nickel source, 4-10 parts of a zinc source, 10-20 parts of ammonia monohydrate, 20-30 parts of water, 1-2 parts of an additive and 2-3 parts of a dispersant, wherein the dispersant comprises a dispersion carrier of a layered structure, and the dispersion carrier comprises mordenite. The preparation method thereof is as follows: S1, mixing raw materials; S2, preparing a soft magnetic ferrite. The nickel-zinc soft magnetic ferrite of the present application can be used in the fields of transformers, electronic components, etc., and has the effect of uniform magnetic conductivity and electrical properties.
Owner:SHENZHEN MELASTA BATTERY CO LTD

Ultrathin pull ring continuous production equipment with tension control

The utility model relates to the technical field of pull ring production, in particular to ultrathin pull ring continuous production equipment with a tension control function. The equipment is mainly composed of a rack, a discharging winding roller, an adjusting roller, a horizontal roller, an upper stamping die, a lower stamping die, a tension adjusting block, a motor and the like, raw materials are placed on the discharging winding roller, the adjusting roller and the horizontal roller guide the materials to be conveyed, the upper stamping die and the lower stamping die are responsible for pull ring stamping forming, and the tension adjusting block regulates and controls the tension of the materials. The motor drives the waste roller and provides power for the conveying belt through belt transmission, and a spring and a sliding block in the tension adjusting block are matched with the tension adjusting switch to achieve accurate tension adjustment. The tension control device has the beneficial effects that the product quality can be stabilized, the defects of the pull ring caused by the tension problem are reduced through accurate tension control, the product percent of pass is improved, and meanwhile, the continuous production process of equipment is matched with an efficient waste treatment and finished product collection mode, so that the production efficiency is greatly improved, the production cost is reduced, and the market competitiveness of enterprises is enhanced.
Owner:HENAN EVERYHIGH NEW MATERIAL CO LTD

A sintering preparation device and manufacturing method for a wire drawing die sleeve

The present invention provides a sintering preparation device and manufacturing method for a wire drawing die sleeve, which specifically relates to the technical field of wire drawing dies, including a steel die, a die cavity is provided on the steel die, a single layer of metal powder is laid on the inner bottom surface of the die cavity, polycrystalline diamond is placed in the center of the die cavity and on the single layer of metal powder, the die cavity is filled with metal powder, the metal powder is coated on the outside of the polycrystalline diamond, and the lower end surface of the steel die is pre-processed with a bottom hole; it also includes a die plugging structure coaxially arranged in the center of the die cavity, a pressing structure arranged at the top of the metal powder, the pressing structure is connected to the die plugging structure, the die plugging structure is arranged directly above the polycrystalline diamond, and the pressing structure is arranged directly above the die plugging structure. The present invention provides a sintering preparation device and manufacturing method for a wire drawing die sleeve, which realizes the positioning and protection of polycrystalline diamond in the process of producing the wire drawing die sleeve, and greatly reduces the amount of mechanical processing after the preparation is completed.
Owner:SHANDONG DIMENGJIA DIAMOND MOULD CO LTD

Preparation method of spheroidal aluminum hydroxide micropowder

A method for preparing spherical aluminum hydroxide micropowder includes the following steps: A sodium aluminate solution A is prepared by mixing aluminum hydroxide and sodium hydroxide; after heating, a self-made polyvinylpyrrolidone-g-polysiloxane additive is added, and the mixture is continuously heated and stirred to form solution B; sodium bicarbonate is then added and the reaction is continued with stirring; after the reaction is complete, the mixture is filtered while hot to obtain the filtrate, which is solution C; solution C is heated under stirring conditions, and after the reaction is complete, the temperature is lowered at a certain rate to obtain a mixed product; the mixed product is filtered, washed, and dried to obtain spherical aluminum hydroxide. The spherical aluminum hydroxide prepared by this method has a regular morphology and concentrated particle size distribution, with a D50 of approximately 7-10 micrometers. Compared with irregularly shaped aluminum hydroxide of the same particle size, it has better filling performance, effectively improving the problems of poor dispersibility and high viscosity caused by high filling of aluminum hydroxide in polymer materials, and improving the subsequent processing performance of the material.
Owner:FOSHAN SANSHUI JINGE NEW MATERIALS CO LTD

Segmented cutting forming tool for truffles

ActiveCN224374228UGuaranteed smoothAccurate cutting position
The utility model provides a segmented cutting forming tool of tricholoma matsutake. The segmented cutting forming tool of tricholoma matsutake includes: the workbench that sets up the inclined groove, the fixed plate is fixedly installed in the inclined groove, the cutting frame is hinged on the fixed plate, and the bottom rotation of cutting frame is installed with the winding shaft, the protective cover is fixedly installed on the cutting frame and is connected with the winding shaft rotation, the torsional spring is fixedly installed in the protective cover and is connected with the winding shaft, the cutting line one end is coiled on the winding shaft, the movable plate is slidably installed on the cutting frame, and the movable plate is fixedly connected with the other end of cutting line. The segmented cutting forming tool of tricholoma matsutake has the advantages that the efficiency of segmented cutting of tricholoma matsutake can be improved, and the production needs are met.
Owner:NANHUA HUABAO AGRI TECH DEV CO LTD

Die-casting device for machining based on window pulley

PendingCN122583547AUniform disturbancePrevent deformation and cracking
The application discloses a die-casting device for window sliding wheel machining, which comprises an operating machine table arranged on the ground, a die-casting base fixedly arranged at the middle of the bottom of the inner cavity of the operating machine table, and a limiting guide rod fixedly arranged at the top of each corner of the die-casting base, and belongs to the technical field of die-casting. The die-casting device for window sliding wheel machining is characterized in that the upper die, the hydraulic rod, the lower die mechanism and the electric telescopic rod are matched to realize efficient and stable die-casting. During die-casting, the structures are cooperatively driven to automatically circulate and flow the cooling liquid, the cooling and shaping are rapidly completed, the processing efficiency is effectively improved, the circulating cooling liquid can drive the inside of the lower die mechanism to generate high-frequency oscillation, the internal bubble defects of the casting are eliminated, the product structural strength and surface quality are improved, meanwhile, the cooling liquid is uniformly disturbed in the die to improve the heat exchange efficiency, the temperature of the cavity is rapidly and evenly balanced, the deformation and cracking of the casting are prevented, the forming precision and product qualification rate are ensured, and the overall structure is simple, stable and reliable in operation.
Owner:ZHAO QING ALLY HARDWARE CO LTD

Cone-die-based cable aluminum-foil tube forming and covering integrated equipment and use method

PendingCN122291195AImprove batch operation efficiencyLower skill thresholdElectric machineAluminum foil
This invention relates to the field of cable aluminum foil coil processing technology, and particularly to an integrated equipment and method for forming and coating cable aluminum foil coils based on a conical mold. The equipment includes a transport frame and coating wheels. A mold range adjustment mechanism is provided on the outer side of the transport frame, and a position adjustment mechanism is provided on the outer side of the conical mold range adjustment mechanism. The conical mold range adjustment mechanism includes a rotating column, a stabilizing plate fixedly connected to the top of the rotating column, and a conical mold piece on the top of the stabilizing plate. A fixing rod is fixedly connected inside the rotating column, and a movable tube is fixedly connected to the outer side of the fixing rod. In this invention, by adjusting the speed of a primary motor to change the range between the conical mold pieces, and in conjunction with the synergistic effect of the position adjustment mechanism, precise adjustment of the mold range and position can be quickly completed without the need for separate forming and coating processes, reducing equipment space requirements and process connection time.
Owner:JIANGSU ELESUN CABLE CO LTD

Heat insulation assembly, battery and electric device

The utility model provides a heat insulation assembly, a battery and a power utilization device. The heat insulation assembly comprises a heat insulation main body, a bonding layer and a separation layer, the heat insulation body is provided with connecting faces and side wall faces, the connecting faces are arranged in pairs and distributed at intervals in the first direction, and the side wall faces are connected between the connecting faces arranged in pairs. The bonding layer is arranged on the connecting surface and is connected with the heat insulation main body; the separating layer covers the side, away from the heat insulation body, of the bonding layer. Wherein the heat insulation main body is provided with a notch, the notch is formed by sinking the side wall face into the heat insulation main body, and the orthographic projection of the separation layer in the first direction covers the notch. According to the heat insulation assembly provided by the embodiment of the invention, the separation layer can be stripped conveniently.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD