7results about How to "Prevent premature solidification" patented technology

The invention relates to the technical field of aluminum alloy semi-solid processing, and provides a semi-solid slurry flow guide device for aluminum alloy, which comprises a shell, the bottom of the shell is fixedly connected with a rack, one end of the shell is fixedly connected with a feeding pipe, the other end of the shell is fixedly connected with a discharging pipe, and a material shifting mechanism is arranged at one end, close to the feeding pipe, of the inner side of the shell. The material stirring mechanism comprises two rotating plates which are arranged in parallel, a plurality of material stirring plates are fixedly connected between the two rotating plates, a plurality of electric heating pipes are arranged between every two adjacent material stirring plates, a first support is fixedly connected to the outer side of the rack, and a first motor is fixedly installed at the top of the first support; a flow guide mechanism is rotationally connected to the middle of the inner side of the shell, a filter screen is fixedly connected to the end, close to the discharging pipe, of the inner side of the shell, a stirring mechanism is arranged on one side of the filter screen, and a cleaning mechanism is arranged on the other side of the filter screen. Through the innovative mechanism design, the key problem in the aluminum alloy semi-solid slurry diversion process is solved.

The invention relates to the technical field of centrifugal casting, in particular to a high-temperature alloy part centrifugal casting device which comprises a base and a movable seat, a centrifugal barrel is rotatably arranged on the base, the movable seat is movably arranged on the base, and a feeding hopper is arranged on the movable seat; the connecting pipe is fixedly arranged at the bottom of the feeding hopper and used for conveying metal liquid; the guide pipe is fixedly connected with the bottom end of the connecting pipe and used for conveying the metal liquid into the centrifugal cylinder; according to the centrifugal casting device for the high-temperature alloy part, high-temperature gas is utilized to spray metal liquid through the spray head, the temperature of the metal liquid can be kept, the metal liquid is prevented from being solidified too early, the fluidity of the metal liquid can be enhanced, a complex structure in a mold can be better filled, the sprayed metal liquid has a certain initial speed, and the casting quality is improved. The speed difference between the metal liquid and the molding sand layer can be reduced, and damage to the molding sand layer caused by metal scouring is effectively avoided.

The utility model relates to the technical field of casting devices, in particular to a lead-free tin bar casting device capable of changing the length of a lead-free tin bar, which comprises a top plate, the top end of the top plate is fixedly connected with a heating box penetrating through the top plate, and the inner side of the heating box is fixedly connected with a smelting furnace. By arranging the discharging pipe, the material homogenizing ring, the discharging barrel, the feeding hole, the casting pipe and the piston rod, the device can adjust the length of the lead-free tin bar, when the lead-free tin bar is produced, the piston rod is adjusted to stretch out to a proper length, the length of the lead-free tin bar can be controlled, molten tin enters the material homogenizing ring through the discharging pipe and the feeding hole, and the tin bar can be continuously cast. The material uniformizing ring evenly distributes the tin level into all the casting pipes, after the tin water is solidified, the piston rod is started again, the lead-free tin bar can be ejected out of the inner side of the discharging barrel, and due to the design, the device can adjust the length of the lead-free tin bar, and the casting amount can be more uniform when the device is used for casting a plurality of molds at the same time.

The utility model relates to molten iron transfer equipment technical field especially relates to a molten iron transfer equipment with protection function, the utility model provides such a molten iron transfer equipment with protection function, including support frame, transport pipe, collection frame and electronic valve, a plurality of support frames have transport pipe jointly fixed connection, the upper end of transport pipe is connected and has the collection frame, is provided with electronic valve on collection frame, still include the connecting plate, temperature insulation cotton and screw, the outer side of transport pipe is detachably provided with multiple connecting plates, the two connecting plates of mutual contact jointly screw a plurality of screws, and the inner wall of connecting plate is provided with temperature insulation cotton, and temperature insulation cotton is closely contacted with transport pipe, in the transportation process, temperature insulation cotton effectively reduces the heat loss of molten iron through transport pipe wall outward, keeps the molten iron temperature, prevents its premature solidification, simultaneously, temperature insulation cotton insulates the high temperature of transport pipe surface, protects the operator from scalding, and reduces the heat radiation to the surrounding environment.

The application relates to the field of leveling machines and discloses an intelligent high-stability laser leveling machine, which comprises a leveling machine head, an adjustable driving arm and a vehicle body, the adjustable driving arm is provided with a damping frame, the leveling machine head comprises a fixed plate, a first lifting frame, a scraper and a stirring mechanism, the fixed plate is connected to the lower end of the damping frame, the fixed plate is provided with a first lifting driving mechanism, the first lifting frame is connected to the power output end of the first lifting driving mechanism, the scraper is installed on the first lifting frame, the stirring mechanism comprises a second lifting frame, a first motor, a stirring shaft and a stirring claw, the first lifting frame is provided with a second lifting driving mechanism, the second lifting frame is connected to the second lifting driving mechanism, the stirring shaft is rotationally connected to the second lifting frame, the first motor is connected to the second lifting frame and drives the stirring shaft to rotate, the stirring claw is connected to the stirring shaft, and the first lifting frame is provided with a screening claw which is arranged at intervals from the stirring claw. The integrated leveling machine head is adopted, and the overall construction efficiency and stability are improved.

This utility model discloses an integrated tapered graphite mold suitable for copper crystallizers, comprising a tapered graphite mold, wherein the tapered graphite mold is a cylindrical body with a tapered shape, the outer diameter of the lower end of the tapered graphite mold is larger than the outer diameter of the upper end of the tapered graphite mold, and the inner cavity of the tapered graphite mold is designed as a micro-tapered cylinder; a straight-cylinder copper crystallizer; and a high-temperature sealing component. This application, by designing an integrated tapered graphite mold, in conjunction with a straight-cylinder copper crystallizer and a high-temperature sealing module, can provide a self-lubricating and guiding effect on the molten copper during the copper rod drawing process, preventing premature solidification of the molten copper, thereby reducing the intense friction between the copper rod and the inner wall of the graphite, and preventing severe wear inside the graphite. This innovative design can not only significantly improve the production quality of copper rods and reduce the generation of defects such as surface cracks, but also increase the drawing speed, thereby greatly improving production efficiency and bringing significant economic benefits and technical advantages to the production of copper and copper alloy rods.

The invention discloses an injection molding device for washing machine shell production, and relates to the technical field of washing machine shell injection molding, the injection molding device comprises a U-shaped frame and an upper mold, the bottom of the upper mold is connected with a mold base, the bottom of the inner wall of the U-shaped frame is connected with a lower mold, the lower mold is internally provided with a rectangular groove, and the back of the U-shaped frame is connected with a transverse plate; a conveying mechanism is arranged at the top of the transverse plate, a first temperature control mechanism is arranged in the rectangular groove, a second temperature control mechanism is arranged in the mold base, and through the arranged conveying mechanism, the first temperature control mechanism and the second temperature control mechanism, a worker can synchronously cool the lower mold and the mold base; and therefore, the shell in the injection molding cavity of the mold is synchronously cooled from inside to outside and from outside to inside, the shell cooling efficiency can be greatly improved through a two-way channel cooling mode, and the shell production efficiency is further improved.