12results about How to "Accelerated cooling and solidification" patented technology

The invention belongs to the technical field of powder metallurgy, and discloses a novel double-circular-seam atomizer and an atomizing device.The novel double-circular-seam atomizer comprises an atomizer base body, a vertically-through melt channel is formed in the middle of the atomizer base body and used for allowing a flow guide nozzle to penetrate through, and the atomizer base body is provided with a cavity coaxial with the melt channel and a circular-seam spraying hole; the cavity is used for inputting high-pressure gas, and the circular seam spraying hole communicates with the cavity and is used for spraying out the high-pressure gas to form high-speed gas flow so as to break metal melt liquid flow flowing out of the flow guide nozzle. The number of the circular seam spraying holes is two, the two circular seam spraying holes are the first circular seam spraying hole and the second circular seam spraying hole, the second circular seam spraying hole surrounds the first circular seam spraying hole from the outer side of the first circular seam spraying hole, and on any longitudinal section plane of the atomizer base body, the jet flow center lines of the second circular seam spraying hole and the first circular seam spraying hole intersect at one point; the melt liquid flow crushing effect can be improved, the diffusion angle of metal liquid drops is increased, formation of large particles is reduced, and metal powder with smaller particle size and better sphericity degree is obtained.

The utility model provides a tool for casting a high-grade iron casting by adopting resin sand and iron mold coated sand, which relates to the technical field of casting molds and comprises an upper sand box, a grid is fixedly connected to the top end of the upper sand box, a lower sand box is arranged below the upper sand box, heat dissipation holes are formed in the surface of the lower sand box, and the heat dissipation holes are communicated with the grid. Connecting lug plates are fixedly connected to the two sides of the upper sand box, through the arrangement of heat dissipation holes in the lower sand box, the heat dissipation effect of a casting in a resin sand mold is improved, cooling and curing of an iron solution can be accelerated, refining of an internal structure (forming of a globular body structure) in the cooling and curing process can be accelerated, and therefore the casting with the strength of HT300 or higher is obtained, and through the arrangement of the lower sand box, the heat dissipation effect of the casting in the resin sand mold is improved. The bottom plate with the thickness of 30mm can improve the rigidity and the strength of the lower mold, reduce deformation and ensure the dimensional accuracy and the shape stability of the casting, the thicker lower mold can better absorb and conduct heat, the cooling speed of the casting is favorably controlled, a casting system realizes a dead head-free design, the process yield is improved to 90%, and the cost is further reduced.

The invention relates to the technical field of crystal growing furnaces, in particular to a crystal growing furnace crucible heating device which comprises a traction mechanism. The heating mechanism is arranged in the traction mechanism, the seed rod preheating mechanism is arranged on the heating mechanism, the rod shaft stabilizing mechanism is arranged between the heating mechanism and the seed rod preheating mechanism, and the melt crucible is arranged in the heating mechanism; and the traction mechanism comprises a seed rod for providing an adhesion basis for crystal generation. An independent seed rod preheating mechanism is arranged at the top of a traditional monocrystalline silicon heating and smelting device, after a seed rod is suspended right above a heating device in an initial state, the seed rod preheating mechanism can wrap a rod body, and at the moment, heat energy released in the heating device can be actively transferred into the seed rod preheating mechanism; and finally, the seed rod and the raw material smelting temperature can be kept constant, so that cracks generated after subsequent crystals are lifted due to the temperature difference between the seed rod and the melt can be avoided.

The utility model relates to an injection mold, in particular to a toy injection mold with a cooling function. The technical problem to be solved by the utility model is to provide a water-cooled toy injection mold with a cooling function. The toy injection mold with the cooling function comprises a lower mold, an upper mold, an air cylinder and the like, one side of the lower die is fixedly connected with an air cylinder, the lower die and the upper die are connected through the air cylinders, the air cylinders are symmetrically distributed on the two sides of the lower die and the two sides of the upper die, the air cylinders on the two sides drive the upper die to stably move upwards or descend through telescopic rods, and separation and attachment between the upper die and the lower die are achieved. Water is pumped into the water storage tank through the water pump, when the water in the water storage tank flows down from the water flow channel, the flowing water carries out heat of the lower mold and the upper mold through heat transfer, the lower mold and the upper mold serve as cooling media, plastic cooling and curing are accelerated, and the time for waiting for slow molding of the plastic is effectively shortened.

The utility model discloses a kind of automatic lubricating mechanisms for glue pressing equipment, including bottom plate, lower mould mechanism, the upper surface of the middle part of bottom plate is fixedly installed with main support, the upper surface of main support is fixedly installed with hydraulic cylinder, the bottom end of hydraulic cylinder is fixedly installed with glue pressing plate, the lower surface of glue pressing plate is fixedly installed with upper mould, the upper surface of the middle part of the length direction both sides of bottom plate is all installed with fixed mechanism, the both sides of main support bottom end are provided with lubricating mechanism, the inner surface of the bottom of two groups lower mould mechanism is screw thread connected with threaded rod, the side end of threaded rod is provided with displacement motor, the output end of displacement motor is fixedly sleeved with the middle part of threaded rod, and outer surface is fixedly installed with the inner surface of bottom plate;The utility model is through setting displacement motor, threaded rod, lubricating mechanism and other structures, after completing glue pressing processing, the movement of lower mould can be adjusted, lubricating mechanism can also be used to lubricate the surface of moving lower mould, improve the smooth degree of subsequent stripping.

The utility model relates to the technical field of dies, in particular to a die for casting ball production, which comprises a support, a fixed die is fixedly arranged at the top of the support, movable dies are arranged on two sides of the fixed die, a plurality of groups of vertically arranged die cavities are arranged on contact surfaces of the fixed die and the movable dies, and the die cavities are hemispherical. Communicating holes are formed among the multiple vertically-arranged mold cavities, air hole channels are formed among the multiple sets of vertically-arranged mold cavities, and a pouring opening is formed in the topmost mold cavity and is in a horn shape; according to the mold for cast ball production, more cast balls can be formed at a time, the production efficiency is greatly improved, cooling water can be introduced into the cooling cavity, so that cooling and curing of the cast balls are accelerated, the forming efficiency of the cast balls is improved, vibration can be provided during pouring, metal materials can be more evenly filled in the mold through the vibration, and the production efficiency of the cast balls is improved. And air holes and defects are reduced, and the quality of cast balls is improved.

The utility model relates to a firearm cartridge receiver forming tool which comprises a die body and a supporting assembly, the die body and the supporting assembly are matched with each other to form a firearm cartridge receiver die cavity, the supporting assembly adjustably supports the die body above a base, and a plurality of heat exchange inserting columns for temperature control are inserted in a static die body and a movable die body of the die body in an array mode. The input ends of the multiple heat exchange inserting columns communicate with a cooling assembly through forked hoses, the output ends of the multiple heat exchange inserting columns communicate with the input end of a spiral heat preservation pipe wrapping an injection molding material conveying pipe through the forked hoses, and the output end of the spiral heat preservation pipe further communicates with the input end of the cooling assembly so as to construct a circulating temperature control pipeline. And the injection molding material conveying pipe is communicated with the casing mold cavity in a manner of penetrating through the static mold body. According to the utility model, the stability of the mold body can be ensured, and meanwhile, the cooling and demolding of the injection-molded casing workpiece can be quickly completed, so that the production efficiency and quality of the casing workpiece are improved.

The utility model relates to the technical field of automobile gear box processing, in particular to an automobile gear box die with a rapid cooling function, which comprises a base, an upper die is fixedly erected above the base through a support, a lower die is arranged below the upper die, the outer surface of the lower die is aligned with the inner surface of the upper die, and the lower die is arranged on the base. The lower surface of the upper mold is open, and the upper surface of the lower mold is open. According to the automobile gearbox mold with the rapid cooling function, the upper mold body and the mold core are fixedly installed, the lower mold body and the mold cavity move in the vertical direction through the first electric push rod, and therefore the mold cavity and the mold core are clamped and matched for mold closing, the mold cavity is of a hollow interlayer structure, and cooling fins are fixed to the outer surface of the mold cavity in an embedded mode; and the other ends of the cooling fins are inserted into the hollow lower mold and are matched with the circular ventilation holes in the outer surface of the lower mold, so that heat in the mold cavity can be quickly transferred outwards, and the device is cooled.

The utility model relates to the field of TPU film extrusion molding, specifically discloses a TPU film extrusion head, extrusion mould is used for TPU film extrusion molding, and the extrusion mould includes the mould of upper and lower symmetry, and the flow channel for the film raw material in the molten state is formed between two moulds and passes, side plate is provided with two and is fixed in the left and right sides of extrusion mould respectively, and the side plate is used for blocking the left and right sides opening of flow channel, heat dissipation subassembly is provided with two and is fixed in the upper and lower sides of extrusion mould respectively, and the heat dissipation subassembly includes the casing and heat dissipation structure, and the left and right side edges of casing respectively with the side plate of left and right sides abut, the utility model discloses through multiple heat dissipation fins in heat dissipation structure and the abutment of mould surface, first air inlet pipe blows the airflow to heat dissipation fin, to accelerate the heat transfer of extrusion head film forming position place, thus accelerates the film cooling solidification, to make the extrusion head guarantee higher extrusion speed while ensuring the film forming quality, thereby improve the film extrusion molding efficiency.

The application discloses a kind of glass container forming die blow air components, comprising: blow head, straight pipe, locating seat, guide sleeve, spring and floating sleeve, the blow head is set on guide sleeve, the bottom of the blow head is recessed and is provided with guide hole, the top of the guide sleeve is provided with annular flange extending into guide hole, the floating sleeve is from the direction of locating seat and is penetrated annular flange and extends into guide hole, the top of the floating sleeve is provided with ring piece above annular flange, the straight pipe is set in blow head, and it extends into floating sleeve downwards, the top of the floating sleeve is provided with insertion hole corresponding to straight pipe and extending downwards, the bottom of the floating sleeve is provided with cover plate, the bottom of the insertion hole is provided with blow hole and extends to the bottom surface of cover plate downwards.

The utility model relates to the technical field of junction box processing, in particular to a junction box welding shaping auxiliary device which comprises a machine frame, an air blower fixedly arranged on the surface of the machine frame, a communicating pipe inserted into the top end of the air blower, a three-way pipe inserted into the side wall of the machine frame, and a sliding rail fixedly arranged on the side wall, close to the upper portion of the three-way pipe, of the machine frame. A sliding seat is movably connected to the side wall of the sliding rail, and two first electric push rods are fixedly arranged on the side wall of the sliding seat; compared with a traditional junction box welding shaping auxiliary device, the first support and the metal pipe are matched to improve the mounting and positioning precision of the metal pipe, the sliding rail is started, and the first electric push rod and the second electric push rod can drive the metal pipe to synchronously move along with the welding head; wind power can be generated by starting the air blower and sprayed out through the communicating pipe, the three-way pipe, the plastic pipe and the metal pipe, so that the junction box welded junction and the welding head are blown, cooling and solidification of the welded junction are accelerated, and the quality and efficiency of junction box welding shaping are improved.

The invention relates to the technical field of PCB welding, and discloses PCB assembling and welding equipment and a using method thereof.The PCB assembling and welding equipment comprises a lifting supporting mechanism, a PCB fixing mechanism is arranged in the lifting supporting mechanism, a fixed-point light supplementing mechanism is arranged in the lifting supporting mechanism, and the PCB fixing mechanism and the fixed-point light supplementing mechanism are arranged in the lifting supporting mechanism; a heat exchange cooling mechanism and a lifting separating and combining mechanism are arranged in the fixed-point light supplementing mechanism, and the heat exchange cooling mechanism is located above the lifting separating and combining mechanism. According to the PCB welding equipment, through the arrangement of the lifting supporting mechanism, the PCB fixing mechanism, the fixed-point light supplementing mechanism, the heat exchange cooling mechanism and the lifting separating and combining mechanism, the heat exchange cooling mechanism can be separated from a PCB through the lifting separating and combining mechanism during welding, and after welding is completed, the heat exchange cooling mechanism is driven to be attached to the PCB through the lifting separating and combining mechanism; and the cooling of the PCB is accelerated through the heat exchange cooling mechanism, so that the cooling and solidification of the solder paste are accelerated, and the maintenance efficiency is improved.