34results about How to "Uniform magnetic force" patented technology

The invention provides a comprehensive recovery process of intense-weathering poor vanadium titano-magnetite. The comprehensive recovery process of the intense-weathering poor vanadium titano-magnetite comprises the steps of prescreening, crushing, dry separation, primary grinding, primary magnetic separation, secondary grinding, secondary magnetic separation, strong magnetic separation, floating separation and syrup mixing, and titanium floating separation. The process of titanium floating separation comprises the steps of rough separation, scavenging for two times, and fine separation for four times. According to the comprehensive recovery process of the intense-weathering poor vanadium titano-magnetite, the problems that a throwing tail is high in grade and recovery rate of titanium concentrate is low when an existing process and an existing device are used for processing the intense-weathering poor vanadium titano-magnetite are solved. The index of finished products based on the comprehensive recovery process is that the grade of iron ore concentrate is 64% and yield of the iron ore concentrate is 37%, the grade of the titanium concentrate is 42% and the yield of the titanium concentrate is 41%, and the grade of fine-grain gangue iron is lower than 7% and the grade of titanium is lower than 1%.

The wire winding height of the first teeth over which the head portion moves is lower than the wire winding height of the second teeth over which is out of the moving range of the head portion. The first wire winding portion is formed so as to be radially longer than the second wire winding portion. With the configuration mentioned above, the number of winding of the wire around the first teeth (243a) is maintained without reducing the torque and varying the uniformity of the magnetic force in the circumferential direction which the stator generates.

The invention provides an electromagnetic mold clamping mechanism of an injection molding machine, comprising a head plate, a secondary plate and an end plate which are sequentially arranged in parallel, wherein a magnetic plate is arranged between the secondary plate and the end plate; the magnetic plate is fixedly connected with the head plate through a pulling rod; a mold moving mechanism is arranged between the magnetic plate and the end plate; a mold adjusting column is arranged on the back of the secondary plate; the mold adjusting column is connected with a mold adjusting mechanism after penetrating through the central hole of the magnetic plate and the center of the end plate; the plane of the tail end of the magnetic plate is provided with the center hole, and is also equally provided with a plurality of magnetic poles in lines and rows; coils on the magnetic poles generate magnetic force after positively charging; the magnetic force tensions the end plate and the magnetic plate; and the coils on the magnetic poles do not generate the magnetic force to external parts after negatively charging. The mechanism has the advantages that: 1, the end plate can be equally absorbed on the magnetic plate; 2, the mechanism can strengthen the close attach between the magnetic plate and the end plate so as to ensure size and stability of mold clamping force; 3, the mechanism is energy-saving; 4, the mechanism is safe; and 5, the gap delta between the magnetic plate and the end plate is ensured.

The invention discloses a device for constituting a permanent magnet full-acting surface, comprising a micro permanent magnet and a magnetic conductor. In the invention, the permanent magnet acting surface is an upper flat surface which is composed of a plurality of micro permanent magnets with the same size (the size thereof is 18*18*18 mm-2*2*2 mm) which are in parallel arrangement in a horizontal and vertical manner tightly; the micro permanent magnets are adsorbed onto the surface of the magnetic conductor by utilizing magnetic force thereof; the polarities of adjacent two micro permanent magnets are opposite; the excitation direction of the single permanent magnet is vertical to the magnetic conductor. The device is applicable to the separation equipment of weak magnetic substances with the permanent magnet separation specific susceptibility being (15-600)*10<-6> cm<3>/g, and can also be applicable to non-metallic mineral equipment for removing weak magnetic substances. The device provided by the invention has the advantages of balanced magnetic force of the acting surface, big magnetic force of the acting surface, adjustable magnetic field strength and gradient, no loss of magnet force of the acting surface, high yield of separation, wide adaptability and the like.

The invention provides an oxy-hydrogen mixed gas integrated generating device. The common problems of the existing oxy-hydrogen generators, such as high price, low gas yield, high energy consumption and incomplete safety setting, are solved. The invention has the technical main points that at least one closed electrolysed water generator is adopted, an oxy-hydrogen mixed gas dry and wet combined flame arrester of an identical structure is adopted, a hydrogen output and an oxygen output of the electrolysed water generator are respectively connected with gas inlets of hydrogen and oxygen liquid storing and gas filtering tanks, and an electrolyte circulating input and an electrolyte circulating output of the electrolysed water generator are connected with a heat exchanger and a heat radiator after being connected with an electrolyte circulating pump through filters. The oxy-hydrogen mixed gas integrated generating device is compact in structural arrangement and reasonable in design, has great pressure relief and explosion preventing properties and can effectively prevent oxy-hydrogen mixed gas backfire and explosion danger. Compared with the same class of products, the oxy-hydrogen mixed gas integrated generating device has the advantages of no gas leakage, no liquid leakage, no current leaking loss, energy conservation, safe and reliable use, high electrolysis efficiency, high gas yield, few heat losses and remarkable improvement on safe and continuous running efficiency.

The invention discloses a uniform magnetizing plate for a magnetic rubber strip. The uniform magnetizing plate comprises a base; a rectangular through groove is formed in the upper end surface of thebase in the length direction of the base; a magnetizing line mounting core block is arranged in the rectangular through groove; two magnetizing line mounting through grooves parallel to each other areformed in the upper end surface of the magnetizing line mounting core block in the length direction of the magnetizing line mounting core block; magnetizing lines are arranged in the mounting throughgrooves; the two ends of each magnetizing line extend out to the outer sides of the two ends of the base and the magnetizing line mounting core block respectively; one ends, located on the outer sideof the tail end of the magnetizing line mounting core block, of the two magnetizing lines are connected together, and the two magnetizing lines are conducted at the connecting position; and a plurality of height adjusting mechanisms are arranged on the two side walls of the base in the length direction of the base. The height adjusting mechanisms are arranged, so that the purpose that a tractionpoint of a traction machine, the bottom wall of a slide way and the rubber strip are located on the same plane at a discharge point of a cooling device can be achieved; and the lower surface of the rubber strip slides completely against the bottom wall of the slide way, so that the magnetic rubber strip is uniform in magnetic force.

The invention discloses a method for enriching ilmenite. The method comprises the steps of carrying out grinding, weak magnet deironing and classification on an ilmenite raw material to obtain materials with two particle sizes of +0.038 mm and -0.038 mm; carrying out medium and strong magnet iron removing on the material with the particle size of +0.038 mm, so as to obtain coarse titanium ore; carrying out magnetic separation on the coarse titanium ore, so as to obtain coarse titanium concentrate 1 and tailings 1; and carrying out magnetic separation on the material with the particle size of -0.038 mm, so as to obtain coarse titanium concentrate 2 and tailings 2. According to the method, different gradient values are obtained through utilizing the difference of mineral magnetism and accurately adopting different magnetic field strength and media, the enrichment of ilmenite is effectively achieved, the level of the obtained coarse titanium concentrate 1 can be improved to 26 to 28%, the recovery rate can reach 80 to 85%, an available method is further provided for enrichment and recycling of ilmenite with the ultrafine-particle size of -0.038 mm, ilmenite tailings with the particle size of -0.038 mm in a conventional technology are effectively enriched and recycled, and resource waste is reduced.

A swing hinge apparatus of a cellular phone according to the present invention includes: a plurality of first and second lower magnets having polarities different from each other; a lower casing, the first and second lower magnets being respectively inserted into one surface of the lower casing; a plurality of first and second upper magnets having the same polarities as the first and second lower magnets respectively; and a rotating plate provided over the lower casing, where the first and second upper magnets are respectively inserted into one surface thereof facing the lower casing.

A sewage treatment device provided with a magnetically strengthened MBR (membrane bioreactor) comprises a cylindrical casing provided with an upward opening, static magnets, magnetic coil props, magnetic coils, a cylindrical MBR membrane assembly, a scavenging conduit, an aeration pump and a suction pump, wherein an accommodating cavity is formed in the cylindrical casing; the static magnets, themagnetic coil props, the magnetic coils, the cylindrical MBR membrane assembly and the scavenging conduit are arranged in the accommodating cavity; a ring-shaped clamp groove which is concave downwards is formed in the bottom of the accommodating cavity; at least two magnetic coil props are arranged and uniformly distributed on the ring-shaped clamp groove; the magnetic coils are clamped in bayonets of the magnetic coil props. The sewage treatment device has the advantages as follows: 1, by means of the magnetization effect of a magnetic field, a water molecule structure is changed, water molecular viscosity of sewage is reduced, water molecule activity is improved, difficulty of water molecules passing the MBR membrane is reduced, and membrane pollution is reduced; 2, with the adoption ofthe static magnets and the magnetic coils which can be increased or decreased, strength and direction of magnetic action on the sewage in the device are adjusted, and meanwhile, the magnetic coils can be taken as magnetic conductive rings, so that magnetic force loss is reduced and the magnetic field with uniform magnetic force is manufactured.

The invention discloses a magnetic suspension umbrella, and in particular discloses an umbrella using electromagnetic induction phenomenon and magnetism. The magnetic suspension umbrella comprises an umbrella pole and an umbrella rack arranged on the umbrella pole, wherein the umbrella rack consists of an umbrella spoke, an umbrella cover and a strutting spoke; the umbrella spoke supports the umbrella cover and is connected with the strutting spoke; the other end of the strutting spoke is in articulated connection with a sliding block which is supported in a longitudinal slippage manner on the umbrella pole; a magnet is inlaid in one end, close to one end of the umbrella cover, in the umbrella pole; an 8-shaped coil arranged longitudinally is fixed in the other end of the umbrella pole; a magnet is connected to the sliding block and can slide on the umbrella pole, and the movement track of the magnet during opening of the umbrella passes through the 8-shaped coil; and the magnetic poles of the two magnets are placed oppositely. The umbrella disclosed by the invention can be opened with a very small force due to the electromagnetic induction phenomenon, and because of the buffering of the magnetism of the magnets, the umbrella can be prevented from being damaged when wind and rain are heavy in a windy and rainy day, so that the service life of the umbrella is greatly prolonged.

The invention provides a new electromagnetic relief valve for turbocharger, comprising a valve body and an electromagnetic bonnet. The bottom of the valve body is provided with a static core, the periphery of the static core is provided with a magnetic conductive disc, the top of the magnetic conductive disc is provided with a coil holder, which is provided with a coil winding wrapped around the periphery of the static core. The top of the valve body is provided with a dynamic core corresponding to the static core, a compressed spring is provided between the dynamic core and the static core, and the exterior of the dynamic core is provided with a sliding bearing and the periphery of the dynamic core is provided with an integrated magnetic cover with a magnetic ring matched with the magnetic conductive disc. The relief valve actuates and forms a more uniform magnetic force line.

The invention discloses a novel planar cathode for vacuum magnetron sputtering. The novel planar cathode includes a cathode shield, a protective pedestal is disposed at the middle part inside the cathode shield, the lower surface of the cathode shield is in bolted connection with a copper backboard, fixed magnets and electromagnetic plates are evenly connected between the upper surface of the copper backboard and the protective pedestal, cooling liquid in a cooling liquid holding box can be extracted into a cooling pipeline through a water pump, the cooling pipeline can be used for heat dissipation of a target material and the inside of the cathode shield, after heat absorption, heat of the cooling liquid can be dissipated through a radiating pipe, also gas can be extracted into a condenser through an air pump, and a rheostat is employed to adjust the magnetic force of an electromagnetic plate. The novel planar cathode for vacuum magnetron sputtering provided by the invention has the characteristics of simple structure and convenient operation, not only enables more convenient device installation, but also achieves better cooling effect, and can adjust the magnetic force more conveniently.

The invention discloses a magnetic fixing type anti-overflow skirt board mechanism. The magnetic fixing type anti-overflow skirt board mechanism comprises a guide slot side plate and an anti-overflow skirt board, wherein the guide slot side plate is positioned above a conveyor belt; the anti-overflow skirt board is arranged on the guide slot side plate; and the lower end of the anti-overflow skirt board tightly fits to the conveyor belt. The magnetic fixing type anti-overflow skirt board mechanism is characterized by further comprising a magnetic body which is arranged on the anti-overflow skirt board, wherein magnetic force generated by the magnetic body is used for adsorbing the anti-overflow skirt board onto the guide slot side plate. According to the technical scheme adopted by the invention, the magnetic body is fixedly connected with the anti-overflow skirt board or is embedded into the anti-overflow skit board or the magnetic body is directly vulcanized into a rubber board of the anti-overflow skit board for being adsorbed and fixed through magnetic force; structures such as a bolt clamp does not need to be arranged on the guide slot side plate, so that the structure of the guide slot is simplified; and moreover, the mounting process and the dismounting process of the anti-overflow skit board are simple, and are high in efficiency.

The invention discloses an intelligent overflow waste recovery device for an injection mold. Specifically, the intelligent overflow waste recovery device comprises a waste recovery mechanism; the waste recovery mechanism comprises a top cover and a transmission mechanism, the top cover is provided with a spherical plate body, the transmission mechanism is mounted at the bottom of the recovery mechanism, the transmission mechanism comprises an isolation bottom plate and an airflow fan blade, and the isolation bottom plate is provided with a main plate body and filtering air holes formed in the surface of the main plate body; and the airflow fan blade is provided with an inclined blade plate, through holes formed in the surface of the inclined blade plate and a T-shaped rotating column installed on the inner surface of the inclined blade plate. The invention relates to the technical field of injection molds. Airflow is guided through the airflow fan blade and is gathered for flowing, overflowing waste is impacted, guided and slowed down through the radian of the airflow fan blade, splashing of the overflowing waste is avoided, meanwhile, gathering of the airflow is matched with the filtering air holes and the through holes, the overflowing waste is cut off and separated, subsequent collection and secondary processing are facilitated, and raw materials are economically utilized.

The invention provides a permanent magnet synchronous motor. The permanent magnet synchronous motor adopts a scheme of twelve slots and ten poles, wherein twelve-slot stators are arranged on the outer sides of ten-pole rotors; from the distribution characteristics of the twelve-slot stators and the ten-pole rotors, in the ten-pole rotors, the total quantities of the stator slots corresponding to permanent magnets with the outer rings as south pole and the stator slots corresponding to the permanent magnets with the outer rings as north pole are both six, so that the ten-pole rotors realize the situation that at any moment, the magnetic forces of the permanent magnets with the outer rings as the south pole and the permanent magnets with the outer rings as the north pole are basically identical, the magnetic force of the ten-pole rotor is distributed uniformly in the rotating process, and the cogging torque can be greatly reduced. Therefore, the twelve-slot ten-pole permanent magnet synchronous motor provided by the invention can greatly reduce the cogging torque, and meets the low cogging torque requirement on the permanent magnet synchronous motor in the actual application process under the situation that the production technology and the production cost are basically invariable.