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50results about How to "Not easy to cool" patented technology

Casting method of steering knuckle of nodular cast iron

The invention discloses a casting method of a steering knuckle of nodular cast iron. The casting method comprises a mold manufacturing step, a sand mold manufacturing step and a pouring molding step, wherein the steering knuckle is vertically arranged, a thick part of a steering knuckle casting is arranged at the upper part, a thin-walled part of the steering knuckle casting is arranged at the lower part; a pouring system of the steering knuckle casting is divided into a pouring cup, a cross pouring gate and a straight pouring gate, the cross pouring gate is connected to the lower part of the pouring cup, the straight pouring gate is connected to the lower part of the cross pouring gate, and a scum riser is arranged at the bottom end of the straight pouring gate; the side wall of the straight pouring gate is connected with a first inner pouring gate, a second inner pouring gate and a third inner pouring gate from top to bottom; the steering knuckle casting is further provided with a hot riser, a cold riser and exhausting pieces; the sectional area ratio of each component of the casting is that F(straight pouring gate):F(cross pouring gate):F(inner pouring gates) is equal to 1:(1.2-1.4):(1.35-1.5); the casting is obtained by controlling the pouring temperature at 1370-1410 DEG C and carrying out pouring for 5-10 seconds. The casting method has the advantages that pouring speed is high, the defects such as shrinkage porosity, shrinkage cavity and the like cannot easily occur, and the casting is high in production efficiency, low in rejection rate and excellent in mechanical property.
Owner:宁波强盛机械模具有限公司

Novel heat-radiation and thermal-insulation integrated water cup

The invention discloses a novel heat-radiation and thermal-insulation integrated water cup and relates to a water cup; in order to overcome the difficulty that a heat-radiation cup having two layers and two rows of holes is incontrollable in heat-radiation degree, the invention designs a novel heat-radiation and thermal-insulation integrated water cup; the technical scheme is as follows: according to the novel heat-radiation and thermal-insulation integrated water cup, a cup body is divided into an inner layer and an outer layer, wherein foam is accommodated between the two layers of the cup body; the foam is divided in two parts, wherein one part of the foam is attached to the outer side of the inner layer of the cup body and the other part of the foam is stuck on the inner side of the outer layer of the cup body; on the part not stuck with the foam, the outer layer of the cup body is formed with heat-radiation holes; as the outer layer of the cup body is rotated, the two parts of foam can be partially or completely overlapped, so that some or all heat-radiation holes in the outer layer of the cup body are aligned with metals of the inner layer of the cup body; therefore, better heat radiation is guaranteed through air circulation between the two layers of metals; and when the outer layer of the cup body is rotated, the edges of the two parts of foam are mutually contacted in a vertical direction, so that a seal ring is formed. The integrated water cup disclosed by the invention has the beneficial effects that the integrated water cup can guarantee heat radiation and thermal insulation.
Owner:SICHUAN UNIV

Production technology and device of galvanized welded steel pipe

The invention relates to the technical field of galvanized steel pipe production, in particular to a production technology and device of a galvanized welded steel pipe. The production technology comprises the following steps: S1, horizontal suspension: horizontally suspending a steel pipe on a rotary hanging bracket; S2, acid pickling: adopting a hanging machine to place the hanging bracket in a pickling bath; S3, acid liquor removing, suspending a rotary crane on the top of the pickling bath through the suspension machine, and starting the rotary hanging bracket to enable the steel pipe to rotate in an aeration water tank; S4, water removing: suspending the rotary hanging bracket on the top of the aeration water tank through the suspension machine, and starting the rotary hanging bracketto enable residual water on the surface of the steel pipe to fall into the aeration water tank to prevent the residual water from diluting the galvanizing solution; galvanization, adopting a suspension frame to place the rotary hanging bracket in a hot galvanizing bath; and removing zinc liquid, and starting a zinc film remover. The galvanized steel pipe manufactured through the production technology is higher in quality and high in automation degree.
Owner:山东承泽金属科技有限公司

Manufacturing method for wire harness

Disclosed is a manufacturing method for a wire harness having a shape-retaining member and protector comprising a thermoplastic material, said manufacturing method enabling the easy formation of the axial shape of the shape-retaining member and protector into a predetermined shape during a manufacture process. The manufacturing method has: a first step, in which the periphery of an electrical wire is coated by a body (13) to be molded comprising a thermoplastic material, and in which the body (13) to be molded is formed into a predetermined cross-sectional shape and dimensions by applying pressure thereto while heating the body (13) to be molded at a temperature at which plastic deformation is possible because of the thermoplasticity; and a second step, after the first step, in which the body (13) to be molded is formed into a predetermined axial shape while at the temperature at which plastic deformation is possible because of the thermoplasticity, and is cooled after being formed into the predetermined axial shape. In the second step, the shape-retaining member (12) obtained through the first step is inlaid in a molding section (721) formed in a lower mold (72) of a second molding body (7), forming the axial shape of the shape-retaining member (12), which is then cooled.
Owner:AUTONETWORKS TECH LTD +2

Baking oven

The invention relates to a baking oven. The baking oven comprises an electric heating baking part, a heat-preservation part and a fume discharging chimney (5) which is communicated with the electric heating baking part and can discharge fumes in the electric heating baking part out to the outer world, the heat-preservation part is located on the top of the electric heating baking part, the fume discharging chimney (5) is located on the side portion of the heat-preservation part, and a circuit controller capable of adjusting and controlling the baking temperature of the electric heating bakingpart is further arranged on the baking oven. The baking oven has the advantages that hot fume generated by heating in the baking oven can be smoothly discharged out from the fume discharging chimney to improve the baking peed of foods, the baking efficiency is high, a wind power system is not needed to discharge the fumes, the baking cost is lower, the fumes are concentrated and discharged out from the chimney, and therefore the baking is cleaner and more hygienic; long-term heat preservation of baked foods can be achieved in a heat-preservation box, the baked foods do not easy to get cold, the freshness of the baked food can be maintained for a long time, the advantage of not losing taste is achieved, and it is hygienic and environmental-friendly to place the baked foods in a sealed heat-preservation box.
Owner:宁波智恒自动化科技有限公司

Bathtub

The invention relates to a bathtub. The bathtub comprises a bathtub body, wherein the bottom inside the bathtub body is arranged in an inclined manner at an inclined angle of 3-5 degrees, a foot massage area is arranged at the bottom of the inclined bottom, and is lower than the bottom inside the bathtub body; a water outlet is formed in the foot massage area, and is provided with a water retaining cover; except the water outlet, a plurality of round grooves are uniformly formed in other positions of the foot massage area, and elastic rubber bulges having a semispherical structure are arranged in the round grooves; the bathtub body is sequentially provided with an inner shell resin environment-friendly plate, a decorating layer, an epoxy resin layer, a perlite heat insulation layer, a foam polyurethane material layer and an outer shell substrate from inside to outside; two electric heating devices having a strip structure are arranged between the epoxy resin layer and the perlite heat insulation layer; and the electric heat devices are connected with an external power supply. Compared with the prior art, the bathtub has a constant temperature function, and has the advantages of steady structure, good insulation effect, high safety, abrasion resistance, hanging tolerance, environmental friendliness and the like.
Owner:平湖市欧迪雅厨卫设备有限公司

Asphalt stirring apparatus

The invention discloses an asphalt stirring apparatus, and relates to the field of road and bridge construction apparatuses. The apparatus comprises a workbench, the workbench is provided with a stirring box, one side of the stirring box is provided with a driving device, the driving device comprises a motor, a first bevel gear, a second bevel gear, a bevel gear and a fourth bevel gear, the workbench is provided with a first fixing rack, the first fixing rack is provided with a connecting shaft, the third bevel gear and the fourth bevel gear are respectively arranged at two ends of the connecting shaft, the second bevel gear is arranged on the connecting shaft, the first bevel gear is arranged on the main shaft of the motor, two sides of the stirring box are respectively provided with second fixing racks, a first leading screw and a second leading screw are respectively arranged between the second fixing racks, one ends of the first leading screw and the second leading screw are respectively provided with a fifth bevel gear and a sixth bevel gear, the first leading screw and the second leading screw are respectively provided with leading screw nuts, a slide bar is arranged between the leading screw nuts, two sidewalls of the stirring box are respectively rectangular holes, and the lower end of the slide bar is provided with a stirring shaft. The apparatus adopting the above design has the advantages of convenient operation and uniform stirring.
Owner:甘肃路航道路材料有限公司

Casting Method of Ductile Iron Steering Knuckle

The invention discloses a casting method of a steering knuckle of nodular cast iron. The casting method comprises a mold manufacturing step, a sand mold manufacturing step and a pouring molding step, wherein the steering knuckle is vertically arranged, a thick part of a steering knuckle casting is arranged at the upper part, a thin-walled part of the steering knuckle casting is arranged at the lower part; a pouring system of the steering knuckle casting is divided into a pouring cup, a cross pouring gate and a straight pouring gate, the cross pouring gate is connected to the lower part of the pouring cup, the straight pouring gate is connected to the lower part of the cross pouring gate, and a scum riser is arranged at the bottom end of the straight pouring gate; the side wall of the straight pouring gate is connected with a first inner pouring gate, a second inner pouring gate and a third inner pouring gate from top to bottom; the steering knuckle casting is further provided with a hot riser, a cold riser and exhausting pieces; the sectional area ratio of each component of the casting is that F(straight pouring gate):F(cross pouring gate):F(inner pouring gates) is equal to 1:(1.2-1.4):(1.35-1.5); the casting is obtained by controlling the pouring temperature at 1370-1410 DEG C and carrying out pouring for 5-10 seconds. The casting method has the advantages that pouring speed is high, the defects such as shrinkage porosity, shrinkage cavity and the like cannot easily occur, and the casting is high in production efficiency, low in rejection rate and excellent in mechanical property.
Owner:宁波强盛机械模具有限公司

Degradable environment-friendly PE film blowing equipment for shoe and clothing packaging

The invention discloses degradable environment-friendly PE (polyethylene) film blowing equipment for shoe and clothing packaging. The equipment comprises a base, a box body arranged on the base, a support frame arranged on the base, an extruder arranged on the base, a recycling box connected with the extruder and a film rolling mechanism, a film blowing machine head, an air inlet end and a cooling air ring are arranged on the box body, and the support frame is arranged on the outer side of the box body. The extruder is provided with a conveying pipe connected with the extruder and the film blowing machine head, the recycling box is provided with a recycling pipe connected to a conveying pipe, the film rolling mechanism comprises a first film rolling roller, a second film rolling roller, a third film rolling roller and a first driving device, the first film rolling roller is arranged on the top of the supporting frame, and the second film rolling roller and the third film rolling roller are arranged on one side of the base. The third film rolling roller is connected with a first driving device. According to the invention, the recycling box is arranged, so that the extruded materials of the extruder can be recycled through the recycling box when production is required to be stopped or changed, waste of plastic raw materials is avoided, and the extruded materials in the extruder can be prevented from blocking the extruder after shutdown.
Owner:BOA SHEN PAPER & PLASTIC PROD

Electric heating bottle with thermal insulation layer

The invention discloses an electric heating bottle with a thermal insulation function. The electric heating bottle comprises a bottle body, a heating base and a water storage bladder, wherein a bottle handle and a bottle cover are arranged on the bottle body; the water storage bladder is arranged inside the bottle body; a power line connected with a power supply is arranged on the heating base; the electric heating bottle also comprises a foamed thermal insulation layer; and the foamed thermal insulation layer is arranged between the bottle body and the water storage bladder. Because an interlayer of the electric heating bottle body, which is formed between the bottle body and the water storage bladder is filled with an expandable polystyrene foam material which forms a great quantity of independent hermetic bubbles, the heat conduction property of air is small and the air is sealed in the bubbles and cannot form convection, therefore, the electric heating bottle with the thermal insulation function, provided by the invention, has excellent heat insulation property and higher electric heating speed is higher, ensures that boiled water is not easy to cool, and is beneficial to saving electricity and energy.
Owner:THE SECOND FOREIGN LANGUAGE SCHOOL AFFILIATED TO SHANGHAI NORMAL UNIV

Low-foam high-efficiency aluminum alloy wire-drawing liquid

The invention relates to a wire-drawing liquid and especially relates to a low-foam high-efficiency aluminum alloy wire-drawing liquid. The low-foam high-efficiency aluminum alloy wire-drawing liquid is prepared from 30-32 parts by weight of soybean oil, 10-12 parts by weight of epoxy fatty acid methyl ester, 8-10 parts by weight of neopentylene glycol, 1-2 parts by weight of dodecyl dimethyl benzyl ammonium chloride, 4-5 parts by weight of alkylphenol ethoxylate, 1-2 parts by weight of rosemary extract, 4-5 parts by weight of dimeric linoleic acid, 3-5 parts by weight of vulcanized cottonseed oil, 3-4 parts by weight of aluminum stearate, 1-3 parts by weight of mannitol, 4-5 parts by weight of an assistant and 800-1000 parts by weight of deionized water. The low-foam high-efficiency aluminum alloy wire-drawing liquid utilizes an aluminum stearate-mannitol mixture as an antifoaming agent. Compared with the conventional antifoaming agent, the aluminum stearate-mannitol mixture antifoaming agent has more excellent use performances. Through use of a soybean oil-epoxy fatty acid methyl ester mixture as base oil and the raw materials such as rosemary extract, dimeric linoleic acid and the assistant, the low-foam high-efficiency aluminum alloy wire-drawing liquid has excellent lubrication performances, does not foam easily, has stable emulsion performances, is not demulsified easily, is environmentally friendly, and has temperature resistance and high wire drawing efficiency.
Owner:ANHUI SHUOLI IND

Die-casting machine charging barrel with heating device

The die-casting machine charging barrel with the heating device comprises a material conveying pipe, a sleeve and flanges, a protective pipe is installed on the outer surface of the material conveying pipe, connecting flanges are installed at the front end and the rear end of the material conveying pipe correspondingly, a feeding port is formed in the top end of the material conveying pipe, the feeding port is formed in the protective pipe, and a heating device is arranged in the sleeve. A threaded seat is installed at the top end of the feeding port, and a feeding pipe is installed in the threaded seat in a threaded mode. Through the arrangement of the material conveying pipe, the heating ring is wound on the material conveying pipe, the heating ring is driven to work to heat the material conveying pipe after being electrified through the arrangement of the power supply base, plastic can be injected into the material conveying pipe through the arrangement of the feeding pipe, and after the plastic is injected, through the arrangement of the driving motor and the alloy screw rod, the material conveying pipe is driven to heat the material conveying pipe. After the driving motor is powered on to work, the alloy screw is driven to rotate, and when the alloy screw rotates, friction and mutual movement can be generated between plastic and the inner wall of the machine barrel, the bottom face of the screw groove and the propelling face of the screw flight and between the plastic and the plastic.
Owner:上海胜桀精密机械科技有限公司
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