205results about How to "Consistent density" patented technology

The invention relates to the field of magnetic materials, in particular to a method for manufacturing an anisotropic multi-pole magnetic ring through dry-press forming. Aiming at the problem that the multi-pole magnetic ring manufactured by the prior art through the dry-press forming is easy to crack, has low yield and the like, the invention provides the method for manufacturing the anisotropic multi-pole magnetic ring through the dry-press forming, and for the multi-pole magnetic ring manufactured by the method, the surface magnetism is more than 1,500 Gs, the Br is more than 3,600 Gs, and the Hcb is more than 3,000 Oe. The aim of the invention is achieved through the following technical proposal: performing wet method pulverization on magnetic powder; adding more than one binding agent and lubricating agent into the magnetic powder which is dried; then performing prepressing and pre-magnetization on the mixture, and then performing a mixing process for mixing the mixture by using a high-speed disintegrator; performing a double-sided equal pressure forming process on the powder in a radial magnetic field; and performing a sintering process for sintering the formed sample, wherein the magnetic powder contains a pre-sintering material and an additive.

The invention provides an automatic and uniform material loading method and an automatic and uniform material loading device which is used in the process of producing white spirit, and aims to achieve effects that the process which is manually performed in the prior art is completely or partially replaced by the method, the uniformity and the looseness of loading fermented grains are simultaneously guaranteed, and the shortcomings of the prior art are overcome. The automatic and uniform material loading device comprises a steaming barrel, a loading device and a uniformizing device, wherein the steaming barrel comprises a steaming barrel body and a bottom pot which are separable; the bottom of the steaming barrel is supported by a rotary supporting piece and can rotate; the loading device consists of a material conveying device, a charging controller and a scattering device; the uniformizing device consists of an agravic levelling device which is provided with a stirring paddle and liftable. By matching the steaming barrel, the loading device and the uniformizing device, materials are automatically loaded, and the uniform and stable looseness of loading the materials is guaranteed.

The invention discloses a preparation method for decreasing sintered NdFeB declination. The preparation method includes preparing materials, performing smelting, processing powder, performing forming and performing sintering; to be specific, adding addition agent during powder processing to improve powder liquidity; increasing magnetic field intensity H during forming; reducing mold orientation length L; enlarging section area A in the vertical magnetic line direction; feeding mixture powder in a forming mold of a press; adjusting a center, on a coil pole, of the forming mold on a mold frame to allow the presses powder to stay in the center of the coil magnetic field during forming orientation pressing; by adjusting four relative parameters, the declination of the sintered NdFeB is decreased to 3 degrees from 10 degrees, use ratio of material with declination qualified is increased to 60% or above from 35%, production cost is remarkably decreased, and economic benefit is enhanced.

An automated paint application system for automatically, safely and efficiently reproducing a high resolution image on an area of a surface located in an uncontrolled environment and a related method for reproducing a high resolution image on a surface in an uncontrolled environment are disclosed. The automated paint application system features a robotic painting machine which uses a vectorized format of the image to generate a plurality of paint paths which an applicator nozzle of the robotic painting machine follows about the surface in order to form the image. The robotic painting machine includes a plurality of paint conduits each connected by a valve to at least one applicator nozzle and usable for respectively transferring a different coloured paint in a manner such that the valves are controllable to dispense one of the different coloured paints or to form a combination colour thereof.

The invention discloses a preparation method of a water system laminated type lithium-ion battery pole piece and belongs to the technical field of production of lithium-ion batteries. The method has the following advantages that (1) continuous coating is realized, the coating efficiency is improved, the range of a coating thickness abnormal region is reduced and the coating thickness is monitored online; (2) continuous roll pressing is realized, the roll pressing efficiency is improved, a roll pressing thickness is monitored online and frequent vibration loss of a roll pressing machine is alleviated; (3) the thicknesses of cut regions are the same in a cutting process, the cutting defects are small and the stability is good; (4) the slicing efficiency can be improved by utilizing high-speed slicing equipment, surface defects of the pole piece can be monitored online by utilizing a CCD (Charge Coupled Device) image measuring instrument and NG pole pieces are eliminated; and (5) the waste of raw material left overs is reduced and the utilization rate of positive and negative electrode foils and positive and negative electrode materials is improved.

The invention discloses a swing type multi-rod blocking edge for a blanking pad plate, and relates to a multi-rod blocking edge for the blanking pad plate of a multi-layer hot press which is used for recombining a bamboo floor. The multi-rod blocking edge comprises a check block, a bottom rod and a plurality of movable blocking rods, wherein the check block is fixedly arranged on a pad plate and leans against the outside of the bottom rod in a blocking way, and the movable blocking rods are connected with the inside of the bottom rod through bolts. The movable blocking rods can be inclined at any angle or horizontally lie down, when the movable blocking rods horizontally lie down, and adjacent movable blocking rods are in end-to-end connection. The multi-rod blocking edge has the beneficial effects that when the pad plate placed with a blank is pushed between hot press plates of the hot press for compression, the height of the blank is gradually smaller and thinner under extrusion of an upper and lower hot press plates, meanwhile, under extrusion, the inclined angle and the height of each movable blocking rod of the swing type multi-rod blocking edge become smaller, and the vertical height of each movable blocking rod and the height of the blank synchronously become smaller. Since the swing type multi-rod blocking edge with a changeable height is always blocked on two sides of the blank, the blank is enabled not to collapse during a compression process, overall density and strength of a finished plate are enabled to be uniform, the quality is good, collapsed offcut does not occur, saving is realized, and the production cost is lowered.

The invention discloses a preparation method of a molybdenum titanium alloy material with high density, large size and high homogeneity. The method comprises the following steps: 1) adding a solvent and a binder to Mo powder and Ti powder and grinding into slurry; 2) atomizing and pelletizing the slurry by using a spraying machine, wherein the inlet temperature is 250-300 DEG C, and the rotating speed of a spray nozzle is 8000-12000rpm, so as to obtain Mo-Ti composite powder; pressing the composite powder into blanks with regular sizes; 3) loading a plurality of blanks into a sheath, filling the Mo-Ti composite powder of 50-250 microns into the adjacent blanks to form a uniform composite powder layer, wherein the thickness of the composite powder layer is 0.5-1mm, and the condition that a gap between the inner wall of the sheath at any side and the outer wall of the adjacent blank is smaller than or equal to 0.5mm is ensured; and 4) welding and degassing the sheath and then carrying out hot isostatic pressing treatment at 750-900 DEG C and 120-160MPa and removing the sheath, wherein the heat-preserving and pressure-maintaining time is 4-6 hours. The target material fabricated by the method can be used as a cathode material of a magnetron sputtering technique.

The invention discloses an evaporation plating device and an evaporation plating method. The evaporation plating device comprises a film plating chamber, a crucible which is arranged at the bottom ofthe film plating chamber and used for containing and heating film plating materials and a fixture which is arranged on the top of the film plating chamber, is opposite to the crucible and is used forclamping a to-be-plated product; and the bottom of the film plating chamber is provided with at least one first air inlet hole, inert gas is introduced into the film plating chamber through the firstair inlet holes, and the film plating chamber is provided with at least one exhaust hole. The film plating materials are heated to be sublimated and gasified, diffused out from the crucible and then driven by the inert gas to quickly move towards the to-be-plated product, the film plating speed is higher, and the production efficiency is high. In the evaporation plating material gasifying and moving process, the evaporation plating materials can be mixed uniformly through the inert gas, therefore, the density of all areas of the evaporation plating materials is more consistent before the evaporation plating materials are plated on the to-be-plated product, the film plating uniformity is good, the film forming quality is better, and the precision is higher.

The invention discloses an all-in-one full-automatic wall surface plastering unit and a use method thereof. The all-in-one full-automatic wall surface plastering unit comprises a transportation vehicle, four identical bracket structures arranged on the transportation vehicle in sequence, a plastering mechanism arranged above the bracket structure, and a control system, wherein a power supply for supplying power to the whole plastering unit is arranged in the transportation vehicle; the plastering mechanism comprises a spraying system, a roller device, a scraper device and grinding units which are connected with the power supply and are arranged above the four bracket structures in sequence; the control system comprises a controller arranged in the transportation vehicle and a motor set connected in series with the power supply and the controller; and the controller is further electrically connected with the roller device, the scraper device, small-size grinding machines and a dust collector. The plastering unit can replace a worker to realize at least 95 percent of the working amount in the construction project; the height and the width of construction can be controlled by the controller; and the all-in-one full-automatic wall surface plastering unit is high in construction speed, high in efficiency and suitable for popularization and application and can effectively avoid the risk caused by high-place work of personnel.

The invention discloses an automatic inductor winding device capable of controlling winding density. The automatic inductor winding device specifically comprises a base, a workbench, a coil placing frame, a winding mechanism and a rotating sleeve, wherein the workbench is mounted on one side of the top of the base, a winding wheel is fixed on the other side of the top of the base, a guide wheel ismounted on the base between the winding wheel and the workbench, and a positioning ring is fixed to the side, close to the guide wheel, in the winding wheel through a support. According to the automatic inductor winding device capable of controlling the winding density, the winding mechanism and a driving roller are arranged, the winding mechanism can drive an enameled wire to be wound on a coil,the driving roller clamps the coil and rotates relatively while winding is conducted so as to allow the coil to rotate at a constant speed, and therefore, uniform winding effect is obtained; comparedwith manual winding, the method has the advantages that efficiency is higher, the winding density can be controlled, it is guaranteed that the winding density is consistent, winding displacement is tidier, and winding precision is higher.

The invention discloses a method for manufacturing recombined hardwood. The method is characterized by comprising the following steps of: a, selecting gum wood with thickness of between 0.5 and 3 millimeters and width of between 5 and 100 millimeters; b, sizing; c, assembling, namely arranging and assembling the gum wood along the length direction; d, performing cold pressing, namely conveying the gum wood into a die of a press to perform cold pressing, wherein the pressure is more than 20MPa; and e, curing, namely heating the die filled with the blank to cure the blank. The sheared or rotary-cut fast-growing low juvenile gum wood or aspen wood of a made forest is used as a production raw material in the method, and the production raw material can be felled in 4 to 8 years, so the using cycle is greatly shortened, and the economic benefit is improved.

The invention provides a production method of a graphene heating film. The production method comprises the following steps: A, using a rapier loom to weave a graphene heating fabrc; B, using an ingredient mixing tank to prepare a macromolecule material; C, using a film forming device to fuse the macromolecule material so as to extrude a macromolecule material film; D, heat-sealing the macromolecule material film extruded in the step C to two sides of the heating fabric obtained in the step A in a double-faced synchronous heat-sealing manner; E, cooling an object obtained after lamination in the step D; and F, cutting deckle edges of an object obtained after cooling in the step E, and rolling to prepare the graphene heating film. The graphene heating film is simple in structure and convenient to use, a graphene heat conduction wire blending spinning silk yarn prepared fabric is used as a base material, and the macromolecule material layers are compounded on two sides of the fabric baselayer simultaneously to prepare the graphene heating film, so that the obtained graphene heating film is high in flexibility, low in manufacturing cost, free of stratification, light in weight and high in electrothermal efficiency.

The invention relates to the technical field of mixing stuffing and sizing agent, particularly to a mixing stirring machine used in the field of food processing. The invention provides a mixing stirring machine which is high in stirring efficiency, has good stirring effect and is simply and conveniently used. The mixing stirring machine comprises a stirring barrel, a stirring device, a driving mechanism and a frame, wherein the stirring device is arranged in the stirring barrel; the stirring barrel is arranged on the frame; the stirring device comprises a stirring ball, a barrel bottom scrapping plate and a side scrapping plate; the side scrapping plate is arranged on the end part of the barrel bottom scrapping plate; the barrel bottom scrapping plate is arranged on the bottom of the stirring barrel; the stirring ball and the barrel bottom scrapping plate are connected to the driving mechanism; the stirring ball comprises a sealing ball; steel wire strips are wound around the sealing ball; and a lower pressing plate is arranged on the steel wire strips. The mixed materials are turned up and down, left and right, under the action of the lower pressing plate on the stirring ball, the barrel bottom scrapping plate and the side scrapping plate. The effects of uniformly mixing and consistent density are achieved by continuously cutting through the steel wire strips. The operation is convenient and practical, the structure is simple and the cost is low.

The invention relates to a method for preparing honeycomb enhanced phenolic foam composite materials. The method is characterized by including the steps of: (1) pouring phenolic resin foam composite into a die; (2) vertically placing a honeycomb in the phenolic resin foam composite in the die; (3) placing the die with the phenolic resin foam composite and the honeycomb in the step (2) into a baking oven at the temperature of 50-100 DEG C for foaming for 5-10h, and obtaining the honeycomb enhanced phenolic foam composite material. Via one-time soaking and heating consolidation, the method is capable of preparing the honeycomb enhanced foam composite materials with phenolic foam ingredients in the honeycomb materials and phenolic foam filled in honeycomb lattice holes, the operation procedure is extremely simple, only the die and the baking oven are utilized as equipment, so that the method has the advantages of efficiency and low cost, meanwhile, the composite material products can be guaranteed to have the advantages of good combination properties like light weight, sound insulation, heat insulation, specific strength, specific modulus, water resistance and flame retardance.

The invention relates to an experimental coke oven for small-scale production of coke and colloid layer samples and a using method thereof. The experimental coke oven comprises a heating furnace, a reactor and a colloid layer sampler; the heating furnace is composed of a furnace shell, a heating furnace body, a carbonization chamber and a top split furnace door which are sequentially arranged fromoutside to inside; heating devices are arranged in the heating furnace body at the two ends of the carbonization chamber respectively; the reactor used for containing coal samples is arranged in thecarbonization chamber and is divided into a main reaction region and a colloid layer sampling region, and the main reaction region and the colloid layer sampling region are respectively close to two heating ends of the heating furnace body; and the colloid layer sampler is movably arranged in the colloid layer sampling region; and the top of the reactor is provided with a reactor upper cover, thereactor upper cover is provided with a gas outlet, a plurality of temperature sensors and a pressure sensor. The experimental coke oven can be used for accurately simulating the working conditions ofa large coke oven, and preparing the colloid layer samples and the coke samples for coking of single coal seed or coal blending; and meanwhile a colloid layer can be sampled at any time, and the experimental coke oven is simple in structure and convenient to operate.

The invention discloses a suspension bleeding-proof water-based multicolor basic paint and a preparation method thereof. The basic paint is prepared from the following materials by weight percent: 25-50% of deionized water, 0.3-1.4% of hydroxyethyl cellulose, 0.1-1.5% of PH regulator, 0.2-0.55% of dispersing auxiliary, 0.1-0.3% of wetting auxiliary, 0.1-0.5% of defoaming auxiliary, 1.0-5.0% of titanium dioxide, 10-40% of filler, 15-35% of self-crosslinking elastic emulsion, 0.2-0.6% of bactericidal and mildew-proof agent, 0.5-7.0% of hollow vitrified balls and 5.0-20% of protective colloid solution. The basic paint has the following beneficial effects that by adding the hollow vitrified balls, the density of the multicolor basic paint is greatly reduced and can keep consistent with that of the protective colloid solution, namely 1.03g/cm<3>.

The invention provides clay sand molding equipment and method, relating to the field of casting. In the clay sand molding equipment and method, a planker moving device is adopted, and a quantitative sand box and a molding sand box can be moved conveniently between a sand filling station and a compacting station, so that the defects of incapability of moving the sand box, the requirement of manual sand filling and high labor intensity existing in the conventional molding equipment are overcome; a molding mold body is arranged above, and structures with molding and compacting functions are arranged, so that the surface hardness of a sand mold is uniform; the quantitative sand box is adopted for filling sand, so that each box of sand mold has consistent sand mold density and compactness; a sand mold compacting device is adopted, so that the defects of overlarge size of a cylinder, insufficient compacting pressure and limitation on the molding projecting area existing in the conventional molding equipment are overcome; and a sand hopper structure is arranged above the sand filling station, so that manual sand filling is replaced, the labor intensity of workers is lowered, and convenience is brought to combination of a production line sand conveying system.

The invention provides a device for uniformly spreading stone chips after municipal road construction, which includes a threaded rod, a scraper, a scraper, a flattening roller and a spike roller; one end of the conveying shaft is connected across a circular material barrel In the bearing on the inner side of the top end of the support, a screw conveying leaf is also welded on the conveying shaft, and the threaded rod at the upper end of the inner side of the support passes through the hole to fix the sliding cross bar, and the flattening roller and the wolf tooth roller pass through the two. The fixed shaft at the end passes through the waist circle through hole and is screwed with a locking handwheel. The scraper plate is fixedly arranged on the bottom inner side of the two sets of sliding cross bars, and the front side of the lower end of the scraper plate is connected with a scraper plow by bolts. The height of the stone chips is adjusted by using the scraping plate and the scraping plow. At the same time, the scraping plow increases the strength of the scraping plate. The gap between the stone chips is adjusted through the teeth on the spike roller to ensure that the density of the stone chips after spreading is consistent. , and use the flattening roller to flatten the stone chips again, so that the stone chips on the road surface can be spread more evenly.

The invention discloses a novel cigarette making machine. The cigarette making machine comprises a stuffing groove, an intake chute, two movable stabilizer blades, a drive bolt, a drive chute, a shield, a control valve, a cigarette making machine body, a cut tobacco duct, a regulating lever, and an oddment box. The cigarette making machine has the advantages thatthe lifting pieceof the stuffing groove can lift up and down to control the main transmission rod to realize lifting function, and the main transmission rod can control the piston rod and the transmission cylinder for air compression.Then the liner of cylinder and the telescopic cylinder can be controlled, and the flexible mount can drive the pressing plate to expand and contract. Therefore, the press of the cut tobacco in the intake chute is effectively realized, ensuring the evenness of the cut tobacco, avoiding the appearance of hollows in the cigarette body, and improving the quality of cigarettes.

The invention relates to a lake asphalt/SBR (styrene butadiene rubber) composite modifier and a preparation method and application thereof. The lake asphalt/SBR composite modifier is a pre-dispersed material formed by the lake asphalt, polymer SBR and a compatilizer via melt blending, and the modified asphalt can be obtained by melt blending of petroleum asphalt and a stabilizer. The lake asphalt/SBR composite modifier is the pre-dispersed material capable of remarkably improving capacities of high-temperature deformation, low-temperature cracking resistance and anti-water damage, the pre-dispersed material is then added to the petroleum asphalt, and the lake asphalt/SBR composite modified asphalt uniform in dispersion and less prone to layered segregation by the aid of the advantage of good compatibility of the pre-dispersed material and the petroleum asphalt; the modified asphalt is applied to construction of heavy traffic asphalt pavement of high-temperature, moist and rainy regions, asphalt pavement diseases can be remarkably reduced, pavement maintenance cost is lowered, and service life of the asphalt pavement is prolonged.

A microorganism streak inoculation instrument comprises a shell, a guide rail, a linear movement motor, a rotary motor, a motor controller, a rotary platform, a control panel and a sensor, wherein the rotary platform, the control panel and the sensor are arranged at the upper end of the shell, the guide rail is horizontally arranged inside the shell, a strip-shaped hole is formed above the shell, and the strip-shaped hole extends in the direction the guide rail extends; an output shaft of the linear movement motor is connected with a guide plate arranged on the guide rail in a sliding mode, and an output shaft of the rotary motor penetrates through the strip-shaped hole in the vertical direction and then is fixedly connected with the rotary platform to drive the rotary platform to rotate; the linear movement motor, the rotary motor, the control panel and the sensor are electrically connected with the motor controller, signals are transmitted to the motor controller by the sensor, and the motor controller sends an instruction to the linear movement motor and the rotary motor to control the linear movement motor and the rotary motor to be opened and closed. By the adoption of the instrument, a good inoculating loop spiral streaking effect can be realized.

The invention relates to the technical field of grinding materials, grinding tools and grinding wheels, particularly to a full-automatic rotary multi-station grinding wheel forming machine which comprises lifting conveying mechanisms, pushing and scraping mechanisms, a constant-volume adjusting mechanism, a worktable transmission power mechanism, a compression forming mechanism, a demoulding ejection mechanism, a mould mounting frame and a numerical control unit, wherein a plurality of mould cavities are uniformly distributed on the mould mounting frame in a circumferential direction; each mould cavity correspond to one station, and the mould cavities correspond to a primary scraping station, a screen piece placing station, a secondary scraping station, a core ring placing station, a compression station and a demoulding station in sequence; and any one of the six stations is controlled to open or close according to needs. According to the full-automatic rotary multi-station grinding wheel forming machine, feeding, pushing and scraping, adjusting, compression and finished product ejection are all completed automatically, so that the equipment reliability and the degree of automation are greatly improved, and meanwhile the labor intensity of workers is lowered; and owing to automatic production the production efficiency, the product quality and the product conformity are all improved remarkably.