10results about How to "Uniform adsorption" patented technology

A feeding structure for folding umbrella fabric includes a base and a suction cup. The suction cup includes a rotating end and an adsorption end. The rotating end is connected to a servo motor. Several adsorption ports are formed on the lower annular surface of the adsorption end. These ports are connected to an external vacuum extraction device through connecting holes inside the suction cup. The base is equipped with a feeding rod and a folding umbrella fabric mechanism. The feeding rod is vertically adjustable on the base. The folding umbrella fabric mechanism includes an embossing surface. The lower annular surface of the adsorption end is higher than the embossing surface. A negative pressure sensor connected to the connecting holes is provided on the base. The servo motor controls the rotation of the suction cup. When the suction cup rotates above the feeding rod, the feeding rod lifts the umbrella fabric to below the adsorption end. The suction cup then adsorbs the umbrella fabric through the adsorption ports. The servo motor rotates the suction cup, causing the adsorption end to rotate onto the embossing surface of the folding umbrella fabric mechanism. This invention provides uniform adsorption of the umbrella fabric, ensuring that the umbrella fabric does not pull up lower layers of umbrella fabric during the adsorption process.

The utility model discloses a marble cutting gantry machine tool relates to marble cutting technical field, including machine table and cutting mechanism, its characterized in that: the machine table is provided with the gantry mechanism that is linked with cutting mechanism, the gantry mechanism drives cutting mechanism to move laterally, longitudinally and vertically, the inboard fixed connection of machine table has the support plate of linear array distribution, the fixed connection of machine table has the adsorption mechanism and adjusting mechanism below the support plate, the adsorption mechanism includes adsorption tray and air pump, the air pump fixed mounting is on the machine table, and the adsorption tray is clamped among a plurality of support plates. The utility model discloses through the air pump suction in adsorption hole forms the negative pressure, and the sponge layer is pressed after closely fitting marble bottom surface, fills up the uneven surface and increases the friction, and a plurality of adsorption boxes disperse adsorption force, and even fixed marble, avoids the stress concentration in local, carries out adsorption to marble to prevent marble from sliding.

The application discloses a kind of basic sulphate load Pt composite material and its preparation method and application in seawater electrocatalytic hydrogen evolution, belong to the preparation technical field of electrocatalytic material.The application is to solve the technical problems of low catalytic activity of existing catalyst, and high cost of noble metal.Method includes:1) preparation basic nickel sulfate carrier;2) preparation Pt source solution;3) soaking;4) electrochemical treatment obtains basic sulphate load Pt composite material.The basic sulphate load Pt composite electrode material prepared by the application shows superior catalytic performance in alkaline conditions and seawater electrocatalytic hydrogen evolution, has excellent electrochemical performance and stability, and will have wide application prospect in the field of electrocatalytic water decomposition electrode material technology.The basic sulphate load Pt composite material electrolytic water catalyst prepared by the method of the application is used in the field of electrocatalytic material technology, and improves hydrogen energy preparation and seawater utilization problem.

The present disclosure provides a warped wafer transfer method and device, the method comprising: taking out a warped wafer from a first slot of a magazine by a Bernoulli arm and transferring it to a SUBCHUCK device; transferring the warped wafer, which has performed a pre-alignment operation, to a pre-calibrated loaded wafer position W2 by the Bernoulli arm, vertically moving a worktable to a pre-calibrated wafer handover height H1, opening a worktable vacuum, closing a Bernoulli arm blowing, and making the warped wafer fall onto the worktable; horizontally moving the worktable to a pre-calibrated auxiliary blowing position W3, opening an auxiliary blowing system located above the warped wafer, and making the warped wafer uniformly adsorbed onto the worktable. The transfer method and device provided by the present disclosure can improve the transfer efficiency of the warped wafer.

This invention discloses a cubic Ru / Co3O4 catalyst, its preparation method, and its applications, belonging to the field of electrode material technology. The method includes the following steps: S1, dissolving cobalt nitrate hexahydrate and hexadecyltrimethylammonium bromide in water, dissolving 2-methylimidazole in water, mixing and stirring to obtain a Co-MOF; S2, calcining the Co-MOF to obtain a Co3O4 cube; S3, dissolving the Co3O4 cube and ruthenium trichloride in water, and performing a hydrothermal reaction to obtain the cubic Ru / Co3O4 catalyst. This invention employs a preparation sequence of "calcination followed by hydrothermal loading," ensuring that Ru species are mainly distributed on the surface of the Co3O4 cube, avoiding Ru species embedding and agglomeration caused by high-temperature calcination. The resulting catalyst has a regular cubic morphology, uniform Ru dispersion, and high catalytic activity, showing broad application prospects in electrocatalytic oxygen evolution and hydrogen evolution.

The application relates to a kind of surface nano fluorinated scandium lithium layer modification and near surface anion and cation co-doped nickel cobalt manganese ternary positive electrode material and its preparation method, belong to chemical energy storage battery technical field.According to the molar ratio of Li, Sc and F element 3:1:6, lithium salt, scandium salt and fluorine salt are weighed respectively, then ultrasonic is added in ethanol aqueous solution and is fully stirred to obtain mixed salt solution;Nickel cobalt manganese ternary positive electrode material is added to the mixed salt solution, heated and stirred until the suspension is dry, and then dried to obtain a powder;The powder is calcined in oxygen atmosphere to obtain a kind of surface nano fluorinated scandium lithium layer modification and near surface anion and cation co-doped modified nickel cobalt manganese ternary positive electrode material.The synergistic effect of Li3ScF6 surface coating and near surface lattice Sc, F co-doping improves the electrochemical performance and thermal stability of nickel cobalt manganese ternary positive electrode material.

This utility model discloses a double-row flexible board paper removal and feeding machine, belonging to the field of feeding machine technology. It includes a mounting frame, a hydraulic lifting component, and a spacing adjustment guide rail. A mounting plate is connected to the spacing adjustment guide rail, and a sliding hole is provided on the mounting plate. A sliding rod is slidably connected to the sliding hole, and one end of the sliding rod is connected to a connecting plate. In this utility model, the adsorption structure composed of suction cups, sliding rods, and air bladders can automatically adjust according to the unevenness of the flexible board surface. When the flexible board surface has different heights, multiple sets of suction cups can contact the flexible board at different heights. The stretching of the air bladder generates negative pressure, achieving a tighter and more uniform adsorption of the flexible board surface. This avoids problems such as weak adsorption and displacement caused by uneven flexible board surfaces, ensuring the stability and safety of the flexible board during the transfer process and improving processing quality.

The invention relates to the technical field of new energy materials, and discloses a high-performance electrochemical catalyst and a preparation process thereof, and the preparation process comprises the following steps: preparing a composite carrier with a carbon nanotube vertically growing on the surface of graphene through a chemical vapor deposition method; introducing nitrogen and sulfur heteroatoms by adopting plasma-assisted vapor deposition; enabling the metal precursor to be uniformly adsorbed on the carrier in a laminar flow state by utilizing a micro-fluidic reactor; and finally, carrying out stepped heating pyrolysis and annealing treatment to obtain a finished product. The obtained catalyst has a three-dimensional conductive network structure containing rich through pore channels, and iron and cobalt metal active centers are anchored to defect sites of a carrier in a coordination form. According to the process, atomic-scale dispersion of active components is achieved through a microfluidic technology, lattice stress is effectively eliminated in cooperation with stepped pyrolysis, the problem that the activity and stability of the catalyst are difficult to consider at the same time is successfully solved, the oxygen reduction catalytic performance is improved, the cycle life is prolonged, and the mass transfer performance under the large-current working condition is excellent.

The utility model relates to the technical field of cylindrical battery production and provide a kind of into shell device.The utility model's into shell device is used to be loaded into to the battery shell inside roll core, this into shell device includes the device main body with shell fixed part and roll core accommodating cavity, roll core push plate is slidably arranged on device main body, and heating element is slidably arranged on roll core push plate;Shell fixed part is used to fix battery shell, roll core accommodating cavity is used to accommodate the roll core to be into shell, and roll core accommodating cavity is located at the side of shell fixed part, and it is coaxially arranged with battery shell;Heating element can be moved to battery shell inside along the axial direction of roll core accommodating cavity, and it is used to heat battery shell;Roll core push plate can push roll core from roll core accommodating cavity into battery shell inside.The utility model into shell device, by battery shell thermal expansion, can improve the smoothness of roll core into shell, and can reduce frictional resistance, reduce the risk of battery damage, to improve production efficiency and product yield.

This application relates to the field of color cosmetics technology, specifically disclosing an eyeshadow that becomes brighter with rubbing and its preparation method. The eyeshadow comprises 38%-43% filler, 22%-31% colorant, 12%-16% emollient, 1%-2% moisturizer, and 4%-7% dispersant; the filler includes 30%-40% synthetic fluorophlogopite, 15%-20% triethoxyoctylsilane, 15%-20% talc, 10%-15% starch octenyl succinate aluminum, and 5%-10% silica. This eyeshadow, which becomes brighter with rubbing, possesses the advantages of providing both brightness and a sheer finish, as well as color payoff, coverage, and finishing properties.