45results about How to "Easy to heat and melt" patented technology

Braze materials and processes for using braze materials, such as for use in the manufacturing, coating, repair, and build-up of superalloy components. The braze material contains a plurality of first particles of a metallic material having a melting point, and a plurality of second particles comprising at least one nonmetallic material chosen from the group consisting of oxides, carbides, and nitrides of at least one metal. The nonmetallic material is more susceptible to heating by microwave radiation than the metallic material of the first particles, and the nonmetallic material is present in the braze material in an amount sufficient to enable the first particles to completely melt when the first and second particles are subjected to heating by microwave radiation.

A braze material and processes for making and using the material, such as for use in the manufacturing, coating, repair, and build-up of superalloy components. The braze material is composed of particles with melt-modifying constituents that are limited to the surfaces of the particles, yet are capable of sufficiently promoting the heating of the particles by conventional means and microwave radiation to achieve at least partial melting of the particles. The melt-modifying constituents are in the form of particulates embedded in the outer surface region of each particle. The particulates are formed of melting point depressant(s) and/or microwave coupling enhancer(s), are much smaller than the particle in which they are embedded.

The continuous production process of high purity trimellitic anhydride with trimellitic acid includes the following steps: smelting trimellitic acid and eliminating acetic acid and water in the first kettle, and eliminating water inside trimellitic acid molecule in the second kettle to form trimellitic anhydride; eliminating heavy components in crude trimellitic anhydride product in one heavy component eliminating evaporator; eliminating light components in the evaporator of one light component eliminating tower; and rectifying through condensing trimellitic anhydride in the condenser on the top of the light component eliminating tower to obtain trimellitic anhydride product fed to the product tank. The present invention has stable product quality, high product purity, high product yield, low power consumption and other advantages.

The invention discloses an extrusion injection device for plastic production. The extrusion injection device comprises a smashing box, smashing rollers are arranged in the smashing box, smashing blades are arranged on the smashing rollers, the lower end of the smashing box is provided with a fusion box, a rotary shaft is arranged in the fusion box, a rotary rod is fixed on the the rotary shaft, aseparation plate is arranged in the fusion box, the separation plate is provided with a plurality of through holes, a plurality of first heating pipes are arranged in the separation plate, a pluralityof second heating pipes are arranged in the side wall of the fusion box, the lower end of the fusion box is provided with a pipeline, the lower end of the pipeline is provided with an extrusion container, the extrusion container is provided with an extrusion cavity, the extrusion cavity is provided with a screw, the screw is provided with a screw panel, the right end of the extrusion is providedwith a filtration device, the right end of the extrusion container is provided with an injection molding pipe, the right end of the injection molding pipe, the side wall of the extrusion container isinternally provided with a first electromagnetic heating ring, the side wall of the injection molding pipe is internally provided with a second electromagnetic heating ring. The extrusion injection device provided by the invention not only has good fusion effect, but also improves the quality of the product.

A vehicular lamp in which bonding failure between a front lens and a lamp body is prevented while enhancing the bonding strength and improving the quality of the outer appearance around the bonded surface therebetween. An end surface of a seal leg of a front lens and a receiving surface of a lamp body are bonded through laser beam welding so as to improve the outer appearance quality of the area around the bonded surfaces. The end surface is formed on an end portion of the seal leg that is bent and extended outward at a predetermined angle with respect to the bonding direction. The laser beam is irradiated onto the receiving surface through the end portion from a direction substantially orthogonal to the end surface. The resultant permeation distance of the laser beam is made short, resulting in a sufficient amount of irradiation energy. When pressure is applied to the base end portion of the seal leg by pressing on the front lens, the end surface and the receiving surface are brought into abutment in the width direction with uniform pressure.

The invention discloses a method and device for preparing spherical metal powder. According to the method, a direct-current plasma arc is used for heating and melting and atomizing a metal wire, an auxiliary power source is directly applied to the metal wire, a main power source and the auxiliary power source are insulated, the auxiliary power source carries out resistance heating on the wire, andheating power needed by wire melting and atomizing can be greatly reduced. The invention further discloses the device using the method for preparing the spherical metal powder. The device comprises apowdering pipeline, a power source including the main power source and the auxiliary power source, a plasma spraying gun, an insulation mechanism, a wire feeding device, a powder flying pipeline, a powder collecting cylinder. A spraying gun cathode is connected with a negative electrode of the main power source, a through hole is formed in the front end of an anode, the insulation mechanism comprises an insulation gasket on the front end of an anode nozzle and an insulation ceramic wire guide nozzle on the front end of a wire feeding pipeline, the wire feeding device is arranged in a seal binand is provided with the wire feeding pipeline connected with a spraying gun, and the powder collecting cylinder is arranged on the tail of the powder flying pipeline.

The invention provides a composite pavement sealing layer and a preparation method and application thereof and belongs to the technical field of road maintenance. The composite pavement sealing layerprovided by the invention comprises a bottom layer arranged on the surface of a to-be-treated road and a surface layer arranged on the surface of the bottom layer, wherein the bottom layer is formed by a normal temperature modified asphalt mixture which comprises asphalt, an asphalt modifier and aggregate; the surface layer is formed by a sand-containing fog seal layer mixture which comprises a waterborne concentrated cover material, an acrylic resin emulsion, fine sand and water; and the waterborne concentrated cover material comprises asphalt, emulsifier, argil and water. The composite pavement sealing layer provided by the invention has the beneficial effects that the softening point of the asphalt is reduced by utilizing the asphalt modifier, so that the mixing of the normal temperature modified asphalt mixture and the paving of the bottom layer can be realized under normal temperature conditions; and meanwhile, by utilizing the surface layer formed by the sand-containing fog sealing layer mixture, water on the road surface can be effectively prevented from sinking in road and damaging the bottom layer, so that the waterproof performance of the road surface is improved.

The invention discloses a waste recovery device of a 3D printing device. The waste recovery device comprises a printing table, wherein a control panel is arranged on the front surface of the printingtable, supporting legs are fixedly connected to the lower surface of the printing table, an electric sliding rail is fixedly connected to the upper surface of the printing table, a telescopic column is arranged on the upper surface of the electric sliding rail, a cross rod is fixedly connected to the top end of the telescopic column, an electric sliding block is arranged on the surface of the cross rod, a fixing base is arranged on the upper surface of the electric sliding block, and a feeding funnel is fixedly connected to the upper surface of the fixing base. According to the waste recoverydevice of the 3D printing device, through the arrangement of the a waste leaking hole, the conveying of waste generated by printing is facilitated, through the arrangement of a crushing box, a crushing motor and a crushing roller, printing waste fed from the first waste leaking hole can be crushed, and through the arrangement of a waste collecting box, the collection of the crushed printing wastein the crushing box is facilitated, and the 3D printing device has the effect of waste recovery.

The invention discloses a security-enhanced ventilative pressure discharge and temperature control plastic recycling smelting furnace and relates to the field of plastic recycling equipment. The smelting furnace comprises a preparation chamber, a partition board and a material melting chamber. The left and right sidewalls of the preparation chamber are both internally provided with electric heating layers. An external heat insulation electric heating guard barrel is arranged on the outer side of the material melting chamber. A cavity is formed in the position, close to the left side, of the interior of the partition board. The left side of the cavity is connected with an electromagnetic control mechanism. The right side of the cavity is connected with a starting mechanism. The electromagnetic control mechanism is in threaded connection with the starting mechanism. The smelting furnace conducts continuous intermittent heating on plastics in the preparation chamber so that the plastics in the preparation chamber can be kept in a fluidic state all the time, and the plastics is stored well. When the plastics gets into the preparation chamber to make contact with the transition thermalization temperature of a transition thermalization tube, the fluidic state of the plastics is ensured. In the starting process, an operator can be protect against direct contact with a high-voltage switch for turning on a machine starting device, and the operation environment is safer.

The invention discloses a three-dimensional material adding printer with an automatic material guiding function. The printer comprises a protection box body, wherein the inner cavity of an equipment installation cavity is provided with a driving motor; the front part, which extends out of the protection box body, of the first spindle of the output end of the driving motor is connected with a mainmaterial guiding wheel; the front part, which extends out of the protection box body, of a second spindle is connected with an auxiliary material guiding wheel; the front part, which extends out of the protection box body, of the left end of a third spindle is connected with a main material guiding gear; and the front part, which extends out of the protection box body, of the left end of a fourthspindle is connected with an auxiliary material guiding gear. A long and cylindrical printing raw material enters between the arc-shaped spacing plate of an auxiliary spacing device and the front surface of the protection box body so as to reduce the swinging of the long and cylindrical printing raw material; and the auxiliary material guiding gear and the main material guiding gear are both in contact with the surface of the long and cylindrical printing raw material, and the main material guiding gear cuts one side of the surface of the long and cylindrical printing raw material but does notcut off the printing raw material so as to be favorable for the printing material to be heated and melted after the printing raw material enters the venturi of a spray nozzle.

The invention discloses a production device for degradable polypropylene plastics and a preparation method of the degradable polypropylene plastics. The production device is characterized by comprising a bottom plate; a mixing box is fixedly installed on the upper surface of the bottom plate; a mixing mechanism is arranged in the mixing box; the mixing mechanism is installed on the surface of the mixing box through a bearing; a material conveying mechanism is arranged on one side of the mixing box; and the material conveying mechanism is fixedly installed on the upper surface of the bottom plate. A first discharging pipe is fixedly installed on the lower side of the mixing box; the first discharging pipe is connected with the material conveying mechanism; an installation rack is arranged on one side of the material conveying mechanism; and a reactor is fixedly installed on the installation rack. By arranging the mixing box, the degradable polypropylene raw material is easy to place; due to the mixing mechanism, all the raw materials are sufficiently mixed, and the improvement on the quality of the degradable polypropylene plastics is facilitated; and by arranging the material conveying mechanism, the raw materials mixed by the mixing mechanism are easily drawn into the reactor for heating and melting.

The invention discloses an extrusion mechanism of a plastic injection molding machine. The extrusion mechanism of the plastic injection molding machine comprises a material barrel, a screw rod, a motor, a thermocouple and an electric control device, wherein a charge port and a discharge port are formed in the material barrel; the screw rod is arranged in the material barrel, and driven to rotate in the material barrel by the motor; and the thermocouple is used for measuring the temperature of the material barrel. The extrusion mechanism of the plastic injection molding machine is characterizedin that cylindrical chambers parallel to the axial direction are distributed in the annular barrel wall of the material barrel; supports are arranged at the two ends of the material barrel separately; a quartz glass heating pipe is located in each chamber, and the two ends of each quartz glass heating pipe stretch out from the corresponding chamber; the two supports are connected with the two ends of each quartz glass heating pipe separately; a heat-isolation layer is installed at the outer side of the barrel wall of the material barrel; a heat discharge port is formed in the top of the heat-isolation layer; the heat discharge port is provided with a cover and a cylinder; the cylinder is capable of controlling the cover to cover the heat discharge port or being separated from the heat discharge port; and the electric control device controls the power supply of the quartz glass heating pipes and the working of the cylinder according to a signal of the thermocouple. The mechanism has the characteristics of being energy-saving and emission-reducing.

The invention discloses automatic hot punching equipment and a using method thereof, relates to the technical field of hot punching equipment, and aims at solving the problems that existing automatichot punching equipment cannot conveniently convey materials, and the materials still need to be manually placed on a to-be-hot-punched platform. A rotating shaft is arranged above a base, sliding rodsare fixedly arranged at the two sides of the rotating shaft, a threaded sleeve is arranged on the outer wall of the rotating shaft in a threaded manner, a hydraulic telescopic rod is fixedly arrangedat the front end of the threaded sleeve, a mounting plate is arranged at the front end of the hydraulic telescopic rod, and a heat insulation plate is arranged below the mounting plate. A movable plate is fixedly arranged below the heat insulation plate, an upper heating plate is fixedly arranged below the movable plate, punching tool bits are fixedly arranged below the upper heating plate, the number of the punching tool bits is two, hot melting pipes are fixedly arranged at the inner sides of the two punching tool bits, and a motor base is fixedly arranged in the base. A servo motor is fixedly mounted in the motor base.

The invention discloses a novel treatment device used for melting flying ash. The novel treatment device used for melting the flying ash comprises an incineration device, an adding device matched withthe incineration device, and a water quenching device matched with the incineration device. The incineration device comprises a rotary kiln which can move back and forth. The water quenching device comprises a receiving component in running fit with the rotary kiln, an exhaust pipe arranged on the receiving component, a discharging pipe arranged on the receiving component, and a water quenching pool communicating with the discharging pipe. The water quenching pool comprises a pool body, a jet device used for forming fine particles by means of molten slag, and a conveying device used for taking the fine particles out of the pool body. According to the novel treatment device, through the arrangement of the water quenching device, the jet device and the conveying device, the molten slag canbe rapidly cooled to form the fine slag particles, collection and subsequent treatment are facilitated, and the processing efficiency is improved.

The invention relates to the technical field of linear low-density polyethylene heating, in particular to a linear low-density polyethylene production device facilitating heating and a using method ofthe linear low-density polyethylene production device. The linear low-density polyethylene production device comprises a production device body, a stirring device is arranged inside the production device body, a feeding pipe is arranged on one side of the production device body, an extrusion device is arranged at one end of the feeding pipe, the stirring device comprises a rotating shaft, a plurality of rotating frames are annularly, uniformly and fixedly arranged on the side wall of the end, close to the top, of the rotating shaft, iron wire net frames are fixedly connected to the rotating frames, a bottom pressing plate and a rhombic batten are fixedly connected to the side wall, close to the bottom, of the rotating shaft, the extrusion device comprises an extrusion pipe, one end of a straight pipe is fixedly connected with an extrusion outlet pipe, and an air passing device is installed inside the extrusion outlet pipe. According to the linear low-density polyethylene production device, the problem that heat is generated due to the fact that linear low-density polyethylene particles are adhered to objects during heating and melting is mainly solved, meanwhile, when the substances are melted, bubbles can be generated, and the use condition of subsequent linear low-density polyethylene molten liquid is influenced.

The invention discloses a 3D printing spray head for printing clothes. The 3D printing spray head comprises a spray head body, wherein the spray head body comprises a spray tube with an opening in thelower end and a spray nozzle connected to the lower end of the spray tube; the top of the spray tube is fixedly connected with a transverse plate through a bracket; a motor with a downward output shaft is fixedly mounted on the bottom center of the transverse plate; the lower end of the output shaft of the motor is fixedly connected with a rotary shaft; a through hole is formed in the top centerof the spray tube; a cam is fixedly arranged on the outer side of the upper part of the rotary shaft in a sleeving manner; and a plurality of first cutting blades are vertically, uniformly and fixedlymounted on the outer side wall of a circular truncated cone-shaped barrel body. According to the 3D printing spray head disclosed by the invention, automatic unloading of a solid-state wire is realized through an L-shaped plate; the rotary shaft drives the first cutting blades to rotate to be matched with second cutting blades to gradually cut up the cut solid-state wire, so that the solid-statewire is quickly molten while passing through a heating device; and the rotary shaft drives auger blades to rotate to achieve the effect of outwards extruding the molten wire. The 3D printing spray head increases the melting speed and the curing speed of the solid-state wire, so that the working efficiency is improved.

The invention provides metal casting equipment, which comprises a smelting device, a storage device and a casting device; a first heating piece and a smelting cavity used for smelting metal are arranged in the smelting device; the first heating piece is located in the smelting cavity and used for heating and melting the metal; a storage cavity used for storing molten metal is formed in the storage device and is communicated with the smelting cavity; the casting device comprises an ingot casting furnace and a wire feeding component located on one side of the ingot casting furnace and used for outputting metal wires; the ingot casting furnace is provided with an inner ingot casting cavity and an ingot casting component located in the ingot casting cavity; the ingot casting cavity is communicated with the storage cavity; the ingot casting component is used for solidification and shaping of the molten metal; a molten metal cavity used for collecting the molten metal is formed in the ingot casting component; and a wire outlet of the wire feeding component faces the molten metal cavity. The problem that traditional metal casting equipment is large in cracking tendency is solved; and the meth metal casting equipment in the invention has the advantages of being low in production cost and high in casting speed and temperature.