44results about How to "Improve die casting efficiency" patented technology

The invention discloses a cast spun aluminum alloy hub rim spinning formation method, that is, a special spinning composite processing method that a spoke and inn edge of a hub are manufactured in a cast manner and the middle of a rim is of a spun structure. By adopting the method, properties, strength and cast structures of inner edges can be prevented from being damaged, the impact resistance ofa cast spun hub at inner edges can be effectively improved, the inner edge of the hub can be prevented from cracking under radial impact, the properties of the hub spun structures can be improved, the hub can be thinned, and lighting of hubs can be achieved.

The invention discloses building metal waste recycling equipment with a die-casting forming mechanism, and relates to the technical field of building waste recycling processing. In order to solve theproduct impurity problem, the building metal waste recycling equipment comprises a cleaning mechanism, a crusher, an injection machine, a die casting mechanism and a smelting furnace. The cleaning mechanism comprises a cleaning assembly and a transmission assembly. The die casting mechanism comprises a die casting assembly and a moving fixing assembly. The injection machine and the smelting furnace are both fixed to the ground. The crusher is fixedly mounted on the outer wall of the top of the smelting furnace. An outlet of the crusher and an inlet of the smelting furnace are located on the same position. According to the building metal waste recycling equipment, due to the arrangement of a first nozzle and a second nozzle, a water pump is started and pumps water in a tank body out; metalis flushed through the first nozzle and the second nozzle, so that the cleanliness of the metal during heating and smelting is ensured; and a motor is started and drives a brush to rotate through a driving shaft, so that when the brush rotates, waste can be brushed, and the cleanliness of the metal is further improved.

The invention discloses an aluminum alloy die-casting die easy to rapidly cool, and belongs to the field of die-casting dies. According to the aluminum alloy die-casting die easy to rapidly cool, after the die is used for die-casting of aluminum alloy liquid, heat in the alloy liquid is adsorbed by a copper net and transmitted to air stretching sleeve rods, so that air stretching bags are heated and transversely expands at present, the contact area of the air stretching bags and an adherent heat pipe is increased, then the air stretching bags continue to expand downward under the action of heat to drive the adherent heat pipe to move down and gradually extend to a heat reducing chamber, so that the air stretching sleeve rods are dislocated with the adherent heat pipe; and compared with the prior art, according to the aluminum alloy die-casting die easy to rapidly cool, the contact area of condensate water in the heat reducing chamber is significantly increased, the cooling is faster, the die-casting efficiency of aluminum alloy is effectively improved, in addition, in cooperation with the effect of a water stirring rod, the water stirring capacity in the condensate water is effectively improved, the condensate water below the multiple air stretching sleeve rods is in a certain shaking state, and the heat taking-away effect is better.

The invention discloses a high-toughness self-strengthening aluminum alloy die-casting device and a production process thereof, and relates to the technical field of aluminum alloy production, the high-toughness self-strengthening aluminum alloy die-casting device comprises a bottom plate, and a limiting plate is arranged at the top of the bottom plate. The output end of a first servo motor drives a rotating plate to rotate, so that the rotating plate drives a lower mold to rotate, the lower mold rotates to a discharging station on the lower side, an arc-shaped rack drives a second transmission gear to rotate, a first rotating rod rotates reversely, a fixed box moves upwards, and one end of an upper mold moves out of a mold cavity; and the first rack drives the first transmission gear to reset and rotate, the first connecting rod drives the second bevel gear to rotate through the first bevel gear, so that the second transmission rod drives the upper mold to rotate to one side of the mold cavity, the aluminum alloy part formed in the mold cavity falls out of the mold cavity for discharging, and discharging operation is facilitated.

The invention discloses a rear cover casting positioning and forming die and belongs to the technical field of rear cover casting positioning and forming dies. A die casting groove adapted to a die core is formed in the center of the top of a lower die; a process step is formed in the outer side of the top of the lower die; positioning holes, adapted to positioning columns respectively, are formedin the left side and the right side of the top of the lower die respectively; the outer wall of the lower die is fixedly provided with a water cooling ring; the top of the base is fixedly provided with a water tank; the left side and the right side of the top of the water tank are fixedly provided with a cooling water pump and a backflow water pump respectively; a water inlet pipe and a backflowpipe which are fixedly connected with the water cooling ring are fixedly assembled on the cooling water pump and the backflow water pump respectively; the side walls of the opposite sides of the two groups of brackets are fixedly provided with discharging electric telescopic rod groups respectively; and gripper devices are fixedly assembled on the discharging electric telescopic rod groups respectively. The rear cover casting positioning and forming die can achieve the accurate positioning effect during workpiece blanking, can enable the die casting precision of a workpiece to be higher and improves the precision of a product.

The invention discloses a metal casting system and method. The metal casting system comprises a melting furnace, one or more pressure casting devices and a pretreatment device, wherein the melting furnace is used for melting metal and comprises a melting furnace outlet; each pressure casting device is used for forming a metal blank; the pretreatment device is used for transferring the molten metal to the one or more pressure casting devices and can communicate with the melting furnace so that the molten metal in the melting furnace can flow into the pretreatment device through the melting furnace outlet; and the pretreatment device communicates with the one or more pressure casting devices so that the molten metal can be conveyed into the pressure casting devices for casting.

The invention relates to a production process of a high-temperature structural ceramic/metal composite material tube for an aluminum alloy die casting machine. The composite material tube comprises a ceramic lining, a metal jacket and an end cover. The production process of the composite material tube comprises the steps of machining the ceramic lining, machining the metal jacket and the end cover, and assembling and matching the ceramic lining, the metal jacket and the end cover. A ceramic lining machining process comprises the steps of raw material preparation, grinding and pulping, workpiece forming, green body drying, high-temperature firing and inner and outer circle machining. A metal jacket and end cover machining process comprises the steps of metal tube and end cover cutting and blanking, metal tube and end cover inner and outer circle rough machining, heat treatment and metal tube and end cover inner and outer circle finish machining. A ceramic lining, metal jacket and end cover assembling and matching process includes the steps of measurement inspection, combined assembly and thermal adaptation testing. A metal tube and a ceramic tube are compounded, so that the alloy melt corrosion resistance and the wear resistance of the material tube are greatly improved, and the service life is long; the composite material tube is low in heat conductivity coefficient, and energy consumption is reduced; and strength and toughness are good, the manufacturing cost is low, and production period is short.

The invention discloses a full-automatic die-casting device which comprises a high-temperature smelter, a track for conveying molten liquid metal, a track charging cart and a plurality of die-casting machines, wherein the high-temperature smelter adopts natural gas to serve as fuel, the plurality of die-casting machines are arranged in a straight line, the track is connected between the high-temperature smelter and the die-casting machines, and the liquid metal in the high-temperature smelter is transferred into the track charging cart from the high-temperature smelter through an automatic device. The full-automatic die-casting device adopts the natural gas serving as fuel to replace diesel oil, matters harmful to the environment, such as waste gas, dust and the like can not be produced after burning of the natural gas, the environment is protected, and energy is saved. A semi-automatic lifter controlled by an electric control cabinet is designed, zinc ingots are placed in a tray of the lifter directly, workers enable the zinc ingots to ascend to the opening of the smelter through the electric cabinet remotely and pour the zinc ingots into a cylinder of the high-temperature smelter, and therefore, the full-automatic die-casting device is safe and reliable. Furthermore, high automatic operation is adopted, no excessive manual interference is needed, and die-casting efficiency can be increased effectively.

The invention discloses a pressure casting device achieving automatic feeding. The pressure casting device comprises a base, wherein two charging-box support frames are fixed on the left side of the base; a charging box is fixed on the upper sides of the two charging-box support frames; a kickoff wheel is mounted at a discharge outlet in the lower side of the charging box; a first belt pulley is mounted on the side face of the kickoff wheel; a conveying plate is arranged on the lower side of the kickoff wheel; a high-temperature melting furnace is filled with a high-temperature solution; a pressure casting barrel is inserted in the high-temperature solution; an inlet pipe is connected to the left side of the pressure casting barrel; a collecting hopper is mounted at the other end of the inlet pipe; a piston is inserted in the pressure casting barrel; the upper end of the piston is connected with a pressure column; gear racks are fixed on two sides of the pressure column; a gear fixing plate is connected with the pressure column in a sliding manner; a motor is mounted on a top fixing frame; the right side of the pressure casting barrel is connected with an outlet pipe, the right side of which is connected with a molding frame; a lower die is fixed at the bottom of the molding frame; and an upper die is arranged on the upper side of the lower die and connected with the molding frame in a sliding manner. The pressure casting device achieving automatic feeding is convenient to use and has high pressure casting efficiency.

The invention relates to the technical field of pressure-casting dies, in particular to a radiator pressure-casting die. The radiator pressure-casting die comprises a rectangular die body, the die body is provided with a Y-shaped first runner, the first runner communicates with a pressure casting molding zone, the middle portion of the pressure casting molding zone is provided with a rectangular first boss, the two sides of the first boss are provided with second bosses in a shape of a pyramid trustum with the small top and the large bottom, one side of each second boss is provided with a plurality of cuboid third bosses, and the outer sides of the first boss, the second bosses and the third bosses in the pressure casting molding zone are provided with a plurality of Y-shaped second runners. The radiator pressure-casting die is arranged, the pressure casting molding zone on the die body is reasonably arranged, the overall structure performance of the pressure casting die is better, thepressure casting efficiency is high, and the molding effect is good. Meanwhile, under the limiting effect of the supporting table, pressure casting machining is more accurate.

The invention discloses a die-casting die of cast steel bucket teeth. The die-casting die comprises a fixed die base, a fixed die, a movable die, a material cavity, a movable die cavity, a fixed die cavity and an ejection block, wherein the fixed die is fixed to the upper part of the fixed die base, the fixed die cavity is formed in the upper end of the fixed die, a fixed die sand core is fixed to one side of the fixed die cavity, the material cavity is arranged under the fixed die cavity, the ejection block is arranged inside the material cavity, the bottom of the ejection block is connected to one end of an ejection rod, the other end of the ejection rod is connected to a hydraulic cylinder, the movable die is arranged on the fixed die, the movable die cavity symmetric with the fixed die cavity is formed in the bottom end of the movable die, a movable die sand core is arranged on one side of the movable die cavity, the movable die sand core and the fixed die sand core are provided with transverse blind holes, and transverse exhaust holes are formed in the part, located on the outer side of the movable die sand core, of the movable die and in the part, located on the outer side of the fixed die sand core, of the fixed die. The die-casting die of the cast steel bucket teeth has the advantages that the ejection speed is high, the forming period is short, the die-casting efficiency is high and the surface quality of the bucket teeth is guaranteed.

The invention discloses a vertical die-casting machine of a multi-station structure. The vertical die-casting machine comprises a rack, movable dies, fixed dies, a base table and a control panel, wherein the base table is fixed to the center of the bottom of the rack, a bearing table is arranged above the base table, the fixed dies are arranged on two sides of the top end of the bearing table, a liquid injection opening is formed in one end of the surface of each fixed die, one end of the liquid injection opening extends into the fixed die, the movable dies are arranged above the fixed dies, limiting structures are arranged on two outer side walls of the movable dies, ventilation structures are arranged on two sides of the interiors of the movable dies, an air cylinder is installed on oneside of the top of the rack, a die-casting disc is installed at the bottom end of the air cylinder, the control panel is installed in the center of the surface of the base table, and the output end ofa single-chip microcomputer in the control panel is electrically connected with the input end of the air cylinder. The die-casting efficiency of the die-casting machine in use is improved, the stability of the die-casting machine in use is ensured, and meanwhile, the phenomenon that bubbles are generated by die-casting objects when the die-casting machine is used is reduced.

The invention provides a precise die-casting die for automobile transmission parts, which comprises an intelligent die-casting box; a waste recycling box is arranged on the left portion of the top face of the intelligent die-casting box; a grinding and polishing box is arranged on the right portion of the top face of the intelligent die-casting box; a first transverse arm is fixed to the right side face of the waste recycling box, and a second longitudinal arm is fixed to the right end of the first transverse arm; the top of the left side face of the second longitudinal arm is fixedly connected with the right end of a first return spring; the left end of the first return spring is fixedly connected with the top of the right side face of a first longitudinal arm; the bottom end of the first longitudinal arm is fixedly connected with the right portion of the upper surface of a rotating plate; the right end of the rotating plate is connected with the left portion of a first connecting half shaft; and the right portion of the first connecting half shaft is fixedly connected with the top of the right side face in the waste recycling box. According to the technical scheme disclosed by the invention, the technical problems that in the prior art, the metal part waste recycling capacity is not achieved, and intelligent die casting, intelligent grinding and polishing cannot be achieved are effectively solved, and application and popularization are facilitated.

The invention relates to the technical field of diaphragm cutoff devices and discloses a lever diaphragm vacuum valve for die casting. The lever diaphragm vacuum valve comprises a valve body, a diaphragm and a valve rod. The valve rod is sleeved with the valve body. The lower end of the valve rod is connected with the diaphragm. A valve element is arranged below the diaphragm. An air inlet and an air outlet are formed beside the valve element. The air inlet and the air outlet are communicated with a gap between the valve element and the diaphragm. A lever handle is arranged above the valve rod and hinged to the valve rod through a stand column on the valve body. One end of the lever handle is connected with the valve body through a tension spring. The middle segment, located over the valve rod, of the lever handle is provided with a sliding wheel. The sliding wheel makes contact with the valve rod. The end, away from the tension spring, of the valve body is provided with clamping pieces. By the adoption of the scheme, lever downwards-pressing replaces screw rotating downwards-pressing, opening and closing are faster, operation is efficient, control is more convenient and faster, and die casting efficiency is improved effectively.