8results about How to "Uniform melting" patented technology

The utility model belongs to the technical field of hot welding device, specifically disclose a kind of inside hot welding device of hemispherical shell, including work panel, fixed with locating die on work panel, multiple hot welding holes are arranged on the hemispherical locating wall of locating die, locating die is accommodated with the hot riveting piece with vertical movement function, the top of hot riveting piece is respectively equipped with hot riveting head corresponding the position of each hot welding hole, locating die is equipped with the die with vertical movement function directly above, and the pressure column is elastically inserted in the die pressure surface that is hemispherical concave arrangement. The utility model is fixed with locating die on work panel, its hemispherical locating wall is equipped with hot welding hole, for the riveting piece welding leg guidance, locating die has the hot riveting piece that can be vertically moved, top hot riveting head accurately acts on welding leg, directly above has the die that can be vertically moved, and die pressure surface is consistent with shell, cooperate elastic pressure column, realize the high-precision positioning of the riveting piece and shell, uniform stable hot welding and reliable crimping, improve production efficiency, ensure product quality.

The invention discloses a continuous purification device for high-purity indium, and relates to the technical field of high-purity indium processing. The device comprises a purification furnace, a feeding assembly is arranged on one side of the purification furnace and comprises a feeding box fixedly connected to one side of the purification furnace, first hydraulic cylinders are fixedly connected to the front end and the rear end of one side of the top of the feeding box correspondingly, and output shafts of the first hydraulic cylinders extend into the feeding box and are fixedly connected with a lifting plate; and extrusion rollers are rotationally connected to the two sides of the lower surface of the lifting plate and located at a feeding opening of the feeding box, a plurality of feeding rollers are rotationally connected to the lower portion of the interior of the feeding box at equal intervals, and an auxiliary heating assembly is arranged below the purification furnace. Indium raw materials are extruded and heated through the feeding box, the extrusion roller, the feeding roller and the air inlet pipe, the problem that the indium raw materials are inconvenient to heat and melt in the prior art is solved, the molten indium raw materials are uniformly heated through the steam box, the steam pipe, the baffle and the flow guide plate, and the problem that the existing vacuum distillation speed is low is solved.

The disclosure provides a flame gun for spherical powder particle preparation, comprising a first shell, a middle part of the first shell is coaxially provided with a discharge hole, which is suitable for outputting a mixture of an oxidizing agent and a raw material powder, a plurality of fuel holes are further arranged in the first shell, the plurality of fuel holes are uniformly and spacedly arranged in the circumferential direction of the discharge hole, the fuel holes are inclined to the axis of the discharge hole, and each fuel hole has the same inclination direction; wherein each fuel hole comprises a first end for inputting fuel and a second end for outputting fuel, in the orthographic projection in the thickness direction of the first shell, the projection of the second end is located between the projection of the first end and the projection of the discharge hole, and the midpoint of the projection of the second end is not collinear with the midpoints of the projections of the first end and the discharge hole.

This application discloses a servo turntable assembly for a center-driven vertical injection molding machine and the vertical injection molding machine itself, belonging to the field of intelligent manufacturing equipment. It includes a mold base, an upper mold-closing base, a lower mold-closing base, a turntable, a turntable servo assembly, a mold-closing linkage assembly, a mold-closing servo assembly, and a mold-closing fine-tuning assembly. This application has the effects of reducing injection molding machine energy consumption, reducing pollution, and improving mold-closing accuracy.

The utility model relates to 3D printing technical field, concretely is a kind of 3D printing production line of continuous production, including printing equipment ontology, AGV transport vehicle and raw material powder screening box, AGV transport vehicle is installed with raw material powder screening box, raw material powder screening box includes box, first screening chamber, second screening chamber, screening cylinder and heating wire, AGV transport vehicle is not permanently fixed and is installed raw material powder screening box, raw material powder screening box is connected with first screening chamber and second screening chamber, first screening chamber is rotatably installed with screening cylinder, fan is fixedly installed below first screening board, the air inlet hole is established in the box corresponding fan, heating wire is fixedly installed in the air inlet hole;While guaranteeing raw material melting even when screening out standard particle size's granular raw material to use, granular raw material surface moisture can also be removed and preheating, solve the problem that 3D printing production line in granular raw material particle size is not even easy not completely fused and block nozzle, leading to production line stop.

The utility model belongs to injection moulding technical field, concretely speaking is a kind of utensil injection molding machine's preheating feed device, including work bench, the surface of work bench is fixedly installed with four supporting legs, the top of four supporting legs is fixedly installed with guide column, the outside of guide column is all equipped with vibration spring, one end of vibration spring is fixedly installed with feed bin, the side of feed bin is provided with vibrating mechanism, for driving feed bin vibration, work bench surface is equipped with injection molding mechanism, cooperates through vibrating mechanism and vibration spring, realizes high -efficient anti -clumping and stable feed, first motor drive carousel linkage each component, make feed bin vibration, break raw material adhesion and even blanking, vibration spring absorbs impact, auxiliary reset, guarantee equipment stability and vibration effect, simultaneously, knob can be flexibly adjusted slider position, adjustment amplitude, adapt to different raw material characteristics, solve raw material granularity uneven, easily clump and other difficult problems, improve feed efficiency and uniformity.

The application provides a multilayer fiber reinforced composite material and a preparation method thereof. The multilayer fiber reinforced composite material is prepared by hot pressing and curing a prepreg stack, and the prepreg stack comprises: an alumina fiber plain cloth prepreg located at the center, and high-modulus poly-p-phenylene benzobisoxazole fiber unidirectional cloth prepregs, alumina fiber unidirectional cloth prepregs and high-strength glass fiber plain cloth prepregs symmetrically distributed on both sides of the alumina fiber plain cloth prepreg from inside to outside. The alumina fiber plain cloth prepreg, the high-modulus poly-p-phenylene benzobisoxazole fiber unidirectional cloth prepreg, the alumina fiber unidirectional cloth prepreg and the high-strength glass fiber plain cloth prepreg are all combined by corresponding fiber cloth and epoxy resin adhesive film through hot pressing. The multilayer fiber reinforced composite material is super-thin, has strong impact resistance and puncture resistance, and is environmentally friendly in process.

The invention relates to the technical field of quartz product production, and discloses quartz weight plasma processing equipment which comprises a melting furnace, a supporting plate and a controller, a furnace cover is installed at the top end of the melting furnace, supporting legs are installed at the bottom end of the melting furnace, the bottom end of the melting furnace is communicated with a slag discharging pipe, and an air suction pipe is communicated with one side, close to the top end, of the melting furnace. According to the device, a quartz weight can rotate while moving up and down in a reciprocating mode in the high-temperature heating and melting process, an upper plasma torch evenly scans and heats the outer surface of the quartz weight from top to bottom and then from bottom to top, heat is rapidly guided in from multiple directions, and therefore the quartz weight can be heated in a high-temperature mode, and the quality of the quartz weight is improved. The thermal stress is greatly reduced, cracking is avoided, the centrifugal force generated during rotation of the quartz weight can effectively discharge bubbles generated during heating of the quartz weight, the optimal dynamic condition is created for bubble discharge, and the bubble content of a finished product is remarkably reduced.