2441 results about "Release agent" patented technology

The invention discloses a step die-casting machining die and a using method, and relates to the technical field of die-casting machining. The die-casting machine comprises a die-casting machine body, a step machining mold is stably installed on the die-casting machine body through a high-precision hydraulic clamping device, an air injection demolding assembly used for assisting demolding is integrated in the step machining mold, and a lifting mechanism is carried at the top end of the die-casting machine body through a fixing support; the driving end of the lifting mechanism is connected with a surface spraying assembly, and an inner side spraying assembly used for evenly spraying special parts of the step triangular support is arranged in the surface spraying assembly. By arranging the inner side spraying assembly, refined spraying of a release agent can be accurately achieved along the track of a special part of a complex structure such as a stair triangular support, meanwhile, the flow speed of the release agent is increased through the necking design of a connecting pipe, and by matching with the rotary spraying function of an atomizing nozzle, the spraying efficiency is improved. The problem that special parts are difficult to touch in traditional spraying is effectively solved, and the spraying uniformity of the release agent is remarkably improved.

The invention discloses a carbon fiber composite material sound barrier forming device, and relates to the technical field of sound barrier forming, the carbon fiber composite material sound barrier forming device comprises a working bottom table and a first supporting column, the first supporting column is fixedly connected to the top surface of the working bottom table, an upper mold is installed on the lower surface of the top end of the first supporting column, a sound insulation barrier is arranged on the working bottom table, and an auxiliary assembly is arranged on the working bottom table; production and forming of the carbon fiber composite material sound barrier are divided into simultaneous operation of four stations with coherent processes, the four stations do not interfere with one another during operation, and the problems that in the traditional hot press forming process, equipment is in an idle state during cooling, demolding and other steps, four stations are adopted for simultaneous operation, and when one station is used for cooling and demolding, the equipment is not in an idle state are solved. Other stations can be used for machining, residue removal or release agent spraying, feeding and other operations, the equipment utilization rate is greatly improved, no obvious intermittency exists in the production process, and therefore more carbon fiber composite material sound barriers can be produced in unit time.

The invention discloses high-strength concrete and a preparation method thereof in the field of concrete. The high-strength concrete is prepared from the following raw materials in parts by weight: superfine sulphoaluminate cement; coarse aggregate; quartz sand; silica fume; coal ash; nano metakaolin; silicon carbide whiskers; a graphene oxide; a pH responsive microcapsule; coating the steel fibers with liquid metal; a carbon nanotube; and a polycarboxylic acid water reducer. Release of the repairing agent is accurately regulated and controlled by adopting the pH response microcapsule, the interface performance is enhanced by combining with the liquid metal coating steel fiber, and the composite dispersion process of the nano material is optimized. Wherein the environment response efficiency of the microcapsule is remarkably improved through the collaborative design of a calcium oxide-slow release agent system and a methyl methacrylate / acrylic acid copolymerization shell layer; according to the gallium-based liquid metal coating, metallurgical bonding of fibers and a matrix is achieved through the low-melting-point characteristic, and traditional physical bonding limitation is broken through.

The invention relates to the field of heat transfer films, in particular to a single-sided water-based environment-friendly pyrograph film and a preparation process thereof. The water-based release film sequentially comprises an ink absorption layer, a water-based release layer and a base layer from the upper surface to the lower surface, the water-based release layer is obtained by curing a water-based release agent, and the water-based release agent is prepared from the following raw materials in percentage by weight: modified water-based acrylate, deionized water, a cross-linking agent, a defoaming agent and modified polyurethane; the modified water-based acrylate is prepared from alkenyl siloxane, hydrogen-containing polysiloxane, phenyl hydroxyl reticular silicon resin, a bonding aid, a surfactant and water; according to the scheme, the obtained water-based release layer is stably adhered to the base layer, the ink absorption layer can be rapidly separated from the water-based release layer during heat transfer printing, and the transfer printing efficiency and the transfer printing quality are improved.

The invention relates to a Fenton-like functional filler which is prepared from 10-20% of iron particles coated with a carbonized film, 10-20% of aluminum sulfate modified straw, 20-30% of PBAT-coated calcium peroxide, 20-30% of diatomite and 10-30% of an adhesive. A processing method of a Fenton-like functional filler comprises the following steps: uniformly mixing iron particles coated with a carbonized film, aluminum sulfate modified straws, PBAT-coated calcium peroxide and diatomite, then adding an adhesive, mixing isocyanate serving as the adhesive with polyol according to a volume ratio of 1: 5, and continuously and uniformly mixing; then the mixed raw materials are injected into a mold coated with a release agent in advance, the mold temperature ranges from 40 DEG C to 60 DEG C, the foaming curing time ranges from 15 min to 20 min, and the Fenton-like functional filler can be obtained. The invention relates to an application of a Fenton-like functional filler in constructed wetlands. The method has the beneficial effects that the method is not influenced by temperature, and the removal effect of the constructed wetland on nitrate nitrogen and refractory COD (Chemical Oxygen Demand) can be obviously enhanced.

The invention discloses a metal soft magnetic powder core and a preparation method thereof.The preparation method comprises the steps that cold sintering is conducted, under the ultrasonic-assisted condition, warm-pressing is conducted on mixed powder containing modified iron powder and a release agent, and a metal soft magnetic powder core green body is obtained; wherein the modified iron powder comprises iron powder and a coating layer, the surface of the iron powder is coated with the coating layer, and the coating layer comprises copper, hydrated ferric oxalate, hydrated cupric oxalate and iron oxide; and heat treatment is conducted, specifically, the metal soft magnetic powder core green body is subjected to heat treatment under the oxygen-containing condition, and the metal soft magnetic powder core is obtained. Ultrasonic assistance is introduced when the modified iron powder is subjected to cold sintering, and a mixed insulation coating layer of ferric oxide and copper oxide can be generated on the surfaces of powder particles in situ during heat treatment, so that the compactness, the strength, the resistivity and the magnetic conductivity of the magnetic core are improved while the pressing force is reduced and the pressing efficiency is improved.

The invention discloses an anti-white-top cosmetic container mold capable of pneumatically assisting negative-angle demolding, and relates to the technical field of cosmetic container molds, the anti-white-top cosmetic container mold comprises a bearing base and a lifting top plate arranged above the bearing base; wherein a lower die body is arranged above the bearing base, and an upper die body is arranged below the lifting top plate; a demolding mechanism is arranged in the lower mold body, and the demolding mechanism comprises main forming mold sleeves which are arranged at equal intervals; a pneumatic mechanism is arranged in the bottom face of the upper die body and comprises auxiliary forming die sleeves arranged at equal intervals. According to the top whitening prevention cosmetic container mold capable of pneumatically assisting negative-angle demolding, the main forming mold sleeve and the auxiliary forming mold sleeve are mutually combined for injection molding, the demolding top disc descends, a demolding agent is coated, the demolding top disc is opened through a demolding air hole of the exhaust outer barrel during separation, and the contact area between the demolding top disc and a cosmetic container is increased while pneumatic demolding is assisted; the pressure intensity is reduced to prevent white top and assist the dressing case to come off.

The invention provides ceramic silicone rubber as well as a preparation method and application thereof, and belongs to the technical field of functional materials. The ceramic silicone rubber provided by the invention is prepared from the following preparation raw materials in parts by mass: 90-105 parts of methyl vinyl silicone rubber; 35 to 45 parts of fumed silica; 3-10 parts of hydroxyl silicone oil; 0.1 to 8 parts of a silane coupling agent; 1-75 parts of an inorganic filler; the inorganic filler is mica powder, montmorillonite and wollastonite; 10-30 parts of low-melting-point glass powder, the melting point of the low-melting-point glass powder is 400-600 DEG C, and the low-melting-point glass powder is borate glass powder and / or phosphate glass powder; 0.1 to 0.3 part of platinum flame retardant; 0.5 to 1.5 parts of a vulcanizing agent; and 0.1-0.5 part of an internal release agent. The ceramic silicone rubber provided by the invention can maintain higher tensile strength and elongation at break on the basis of ensuring better ceramic performance.

The invention relates to the technical field of measuring devices, in particular to a three-dimensional laser measuring device based on motor detection. Comprising a rack and a microcontroller, and further comprises a moving frame, an electric rotary table and two mold pouring boxes are installed on the moving frame, a to-be-tested motor is arranged on the electric rotary table, an electric heater and a refrigeration module are installed on each mold pouring box, a cavity is formed in each mold pouring box, a turnover frame driven by a turnover motor is installed on a multi-axis mechanical arm, and the turnover frame is provided with a motor. The overturning frame is provided with an overturning clamp for overturning a motor to be tested, the multi-axis mechanical arm is provided with a reflective liquid storage box and a release agent storage box, the reflective liquid storage box and the release agent storage box are both provided with pump bodies, the liquid outlet ends of the two pump bodies are both communicated with spray heads through corrugated connecting pipes, and the two spray heads are both installed on the overturning frame. The beneficial effects of the invention are that through triple data fusion, silicone rubber reverse mold cyclic regeneration and full-process automatic integration, high-precision measurement of the to-be-measured motor during three-dimensional scanning is realized.

The invention relates to the technical field of die-casting devices, in particular to a die-casting device and a die-casting method for a high-toughness light-weight aluminum alloy structural member. The upper die, the lower die and the metal tank filled with molten metal are respectively arranged on the die-casting frame; the synchronous transmission mechanism is arranged in the die-casting frame and connected with the upper die, the lower die and the metal tank, and the synchronous transmission mechanism and the horizontal reciprocating conveying mechanism share the same motor for driving; the pretreatment mechanism comprises a heating frame, a release agent spraying frame and an air drying frame. The whole system is driven by one power source, the production cost is effectively reduced, the operation difficulty is reduced, the subsequent maintenance and control work becomes easier, the power source has high universality and easy replaceability due to the adoption of an electric driving mode, and the power source is suitable for large-scale popularization and application. And the maintenance efficiency and the availability of the equipment are greatly improved.

The invention belongs to the technical field of material processing, and discloses a magnesium alloy casting semi-solid injection molding method and application, and the method comprises the following steps: checking and adjusting a semi-solid injection machine, a casting mold and other equipment to be in a normal state, and placing magnesium alloy particles in a designated area of a hopper; putting a long nozzle of the semi-solid injection platform into the center of a mold sprue; setting the temperature of each section of a mold temperature controller, a charging barrel and a nozzle; preserving heat for a period of time after the temperature of the charging barrel reaches a set value, so that the temperature of materials in the charging barrel is uniform; setting the injection rate, the cooling time, the material return distance and the melt pressure of the semi-solid injection machine; and after a release agent is quantitatively sprayed to the mold, a semi-solid injection program is started, and a casting is obtained. The AS41B magnesium alloy particles with good heat resistance are adopted as the raw material, the semi-solid injection molding method is combined, a melting furnace is not needed, only heating to the semi-solid state is needed, the melt temperature is low, energy is saved, the service life of a mold is prolonged, protective gas is not needed, and the manufactured casting is good in mechanical property and high in heat resistance.

The invention relates to the technical field of spaceflight material forming, in particular to a tension control winding process of a spaceflight carbon fiber composite launch canister, which comprises pretreatment, winding forming, curing and post-treatment. The method comprises the following steps: S1, coating a release agent and a modified coating after processing a core mold, carrying out plasma treatment and eliminating stress; the carbon fiber filaments are soaked in resin containing nanometer components, and are pre-stretched after a hot melting reaction; s2, closed-loop tension control is conducted, winding is conducted according to segmented angles, and modified resin is coated between layers to be overlapped in a crossed mode; s3, stepwise heating and curing, dynamically regulating the pressure and introducing inert gas; and S4, polishing after hydraulic demolding, carrying out sand blasting, carrying out transition layer and ceramic coating, and carrying out multi-dimensional detection. According to the process, the mechanical property and environmental adaptability of the launch canister are improved, the process precision is high, defects are reduced, the forming time is shortened, the rework rate and cost are reduced, the spaceflight requirement is met, and the process is suitable for batch production.

The invention relates to the field of additives for concrete, and particularly discloses a high-performance mould-proof release agent for concrete and a preparation method of the high-performance mould-proof release agent. The high-performance mould-proof release agent for concrete comprises the following raw materials in parts by weight: 10-20 parts of dimethyl silicone oil, 10-20 parts of hydrogen-containing silicone oil, 4-8 parts of paraffin, 2-4 parts of an emulsifier, 1-4 parts of a mould inhibitor, 3-5 parts of a reinforcing component, 2-5 parts of a thickening agent and 30-50 parts of water, the emulsifier is prepared from the following raw materials in percentage by mass: 23.5 to 25 percent of Span-80, 21 to 23 percent of dodecyl benzene sulfonic acid triethanolamine salt and the balance of OP-10. The release agent has the advantages of being good in storage stability, not prone to deterioration and layering, good in release effect, long-acting in antibacterial property and capable of enabling concrete test blocks to be high in strength.

The application belongs to the technical field of injection molding machines, and particularly relates to a vehicle lamp shell integrated injection molding and polishing mold and a variable temperature forming process, which comprises a front mold, a rear mold and a heating module. A forming cavity is formed in the rear mold. A spraying module is arranged in the cavity in a retractable manner. The spraying module is used for spraying a release agent to the inner wall of the cavity. The heating module is arranged in the rear mold. The heating module preheats the rear mold and evaporates the moisture of the release agent sprayed on the inner wall of the cavity. The mold further comprises a ejector pin module. The ejector pin module comprises an ejector pin plate and a plurality of ejector pins connected to the ejector pin plate. The plurality of ejector pins penetrate through the through holes on the rear mold and lead to the cavity. The spraying module is arranged on the front end side wall of the ejector pin. The spraying module sprays the release agent to the inner wall of the cavity when the spraying module retracts into the through hole along with the ejector pin. The mold can avoid the first injection material and the second injection material from being unable to be well bonded due to improper spraying of the release agent, and improve the stability of the injection molded product.

The invention discloses Pickering emulsion applied to concrete demolding and a preparation method thereof, and relates to the technical field of building materials. The Pickering emulsion is prepared from the following raw material components: 200 to 600 parts of base oil, 50 to 60 parts of a compound emulsifier, 50 to 60 parts of a co-emulsifier, 1 to 2 parts of a dispersed phase pour point depressing component, 0.5 to 1 part of an antioxidant, 8 to 10 parts of a continuous phase thixotropic stabilizing component, 10 to 15 parts of a color regulating agent and 500 to 550 parts of water. The Pickering emulsion has excellent concrete demoulding performance, also has concrete self-curing performance and anti-ultraviolet performance, and can effectively improve the structural strength of concrete, prolong the service life of concrete and ensure the appearance quality of concrete. The problems existing in a traditional release agent are solved, additional functionality and attractiveness are provided for concrete products, and the release agent is suitable for various building and infrastructure projects and has wide application prospects.

The invention relates to the technical field of preparation of heat transfer films, in particular to a preparation process of a UV process heat transfer film, which comprises the following steps: base film selection, base film surface treatment, release agent selection, release agent coating, UV paint coating, bridging agent selection, printing, photocuring and film stripping: stripping the photocured transfer film from the base film to form the final UV heat transfer film. According to the UV heat transfer film prepared by the process, the adhesive force of the pattern layer and the UV coating layer is better, the compactness is higher, the product quality is improved, and the service life of the UV heat transfer film is prolonged; in addition, the efficiency is improved more quickly during curing, the residual adhesive rate is low after demolding and stripping, and the product quality is further improved.

The invention relates to the technical field of packaging materials, in particular to an epoxy molding compound and a preparation method and application thereof. The epoxy molding compound is prepared from the following raw materials: 40-80 parts of epoxy resin, 1-10 parts of a release agent, 0.1-3 parts of a catalyst, 50-500 parts of filler, 0.1-5 parts of a silane coupling agent and 20-60 parts of a curing agent, the release agent at least comprises alkyd ester wax; the silane coupling agent comprises a methoxy silane coupling agent. According to the invention, the formula component selection and synergistic effect of the epoxy resin molding compound are explored, a specific alkyd wax release agent and a specific methoxy silane coupling agent are preferably added into a resin / curing agent system, the preparation process is optimized, and a preparation mode of low-friction mixing and then extrusion is adopted; the microstructure and interface characteristics of the material are optimized, the novel epoxy molding compound with high CTR, low shrinkage and excellent release property is obtained, and the use requirements of optocoupler product packaging can be well met.

The invention provides a long-acting dripping antifogging master batch as well as a preparation method and application thereof, and the long-acting dripping antifogging master batch comprises the following components in parts by weight: 40-90 parts of matrix resin, 10-40 parts of a dripping agent, 1-20 parts of metal salt and 1-20 parts of a high-molecular-weight slow release agent. According to the long-acting dripping antifogging master batch disclosed by the invention, the dripping agent, the metal salt and the high-molecular-weight slow-release agent are compounded, and the long-acting dripping antifogging master batch is used for preparing a thin film material, so that the dripping lasting period of the thin film material can be effectively prolonged, and meanwhile, the thin film has relatively high light transmittance.

The invention discloses a shaping mold facilitating rapid demolding of a plastic product, and relates to the field of injection molds, the shaping mold comprises a top mold, and the shaping mold has the advantages that a spray head can be hidden in the mold, the integrity of a mold cavity is prevented from being influenced, the injection molding quality is guaranteed, spraying of a demolding agent and injection molding of a plastic part are not interfered, and the injection molding efficiency is improved. Meanwhile, the shaping mold can automatically spray a release agent, manual participation in injection molding of all plastic parts is not needed, a mechanical arm is not needed, the cost is reduced, time and labor are saved, meanwhile, the injection molding efficiency is fully improved, control programming and use of a position sensor do not need to be considered, the injection molding process is fully simplified, and the risk of device damage is reduced; the later maintenance cost is relatively low, and the detection of mold closing is closely linked with the spraying of the release agent, so that the application of the release agent and the detection of mold closing do not need to be carried out at intervals, the splashing of molten materials is avoided, the safety is improved, the injection molding period is greatly shortened, and the production efficiency is improved.

The invention relates to a preparation method of a brake disc for a rail transit vehicle, which comprises the following steps: completely filling a friction layer, a heat dissipation substrate and heat dissipation ribs in a forming stage, but only forming a part of a circular truncated cone, only forming 70-85% of the overall height of the circular truncated cone and 65-85% of the overall inclination of the circular truncated cone, and meanwhile, controlling the shaping pressure to be 150-250MPa, the temperature to be 350-380 DEG C and the time to be 10-30 seconds, so as to facilitate demolding, and meanwhile, forming the brake disc for the rail transit vehicle. When the boss and the remaining circular truncated cone are filled, axial and circumferential materials can synchronously flow to fill the mold cavity, and the situation that the materials flow in other directions after reaching the mold wall and rub the mold wall to roll in a mold release agent attached to the mold wall, and the mold release agent is accumulated is effectively avoided.

The invention relates to the field of electronic packaging materials, and discloses an epoxy molding compound as well as a preparation method and application thereof. Based on the total weight of the epoxy molding compound, the epoxy molding compound contains 13 to 20 weight percent of epoxy resin, 6 to 14 weight percent of a curing agent, 0.05 to 0.2 weight percent of a curing accelerator, 70 to 78 weight percent of filler, 0.1 to 1 weight percent of a coupling agent, 0.1 to 4 weight percent of a stress modifier, 0.1 to 2 weight percent of a release agent, 3 to 8 weight percent of a flame retardant, 0.01 to 0.3 weight percent of an ion trapping agent and 0.3 to 0.6 weight percent of a coloring agent, wherein the curing accelerator is 2-undecylimidazole, and the curing accelerator is 2-undecylimidazole; and the coupling agent is gamma-mercaptopropyl trimethoxy silane and / or gamma-glycidyl ether oxypropyl trimethoxy silane. The invention further discloses a preparation method of the silane coupling agent. The epoxy molding compound is simple to prepare, shows relatively high bonding performance and demolding performance when being used for packaging semiconductor components, and has relatively high operability and reliability.

The invention relates to the technical field of high polymer materials and preparation, and discloses a high-temperature-resistant ceramic polymer-derived ceramic precursor resin molding compound and a preparation method thereof. The high-temperature-resistant composite material is prepared from the following raw materials: 100 parts of high-molecular methyl hydrogen solid polysilazane resin, 1.0 to 5.0 parts of organic silicon plastic modifier, 30 to 40 parts of hybrid fiber, 1.0 to 5.0 parts of fiber sizing agent, 20 to 25 parts of high-temperature-resistant active filler, 10 to 15 parts of fluxing agent, 1.0 to 5.0 parts of high-temperature-resistant lubricant, 0.01 to 2.50 parts of curing agent, 0.1 to 5.0 parts of release agent and 1.2 parts of high-temperature-resistant pigment. Wherein the fiber sizing agent is one or more of epoxy resin, hexamethyldisilazane and polydopamine. The high-temperature-resistant ceramizable polymer derived ceramic precursor resin molding compound provided by the invention has good processability and relatively high ceramic yield.

The present invention discloses a track turnout forging device that is convenient for demoulding, which relates to the field of mechanical processing technology, and includes a spraying mechanism and a forging device. The spraying mechanism includes a fixed bracket, a driving module, a bogie and a spraying assembly, wherein the spraying assembly includes a demoulding agent storage box, a pump body, a fixed plate and at least one spraying barrel, the demoulding agent storage box is installed on one side of the fixed bracket, the pump body is fixed on one side of the demoulding agent storage box and the input end is connected thereto, the spraying barrel is rotatably arranged on the lower side of the fixed plate, the fixed plate is fixed on the driving end of the driving module, a plurality of input holes connected to the spraying barrel are opened on the fixed plate, the input holes are connected to the output end of the pump body, a plurality of spraying holes are opened on the surface of the spraying barrel, and a sealing plate is arranged at the bottom of the spraying barrel. The present invention improves demoulding efficiency and quality.

The invention discloses a stirring device for production of a metal die casting release agent, and relates to the technical field of release agent production, the stirring device comprises a stirring barrel and further comprises a material overturning device, a feeding pipe is fixedly installed at the top of the stirring barrel, a discharging pipe is fixedly installed on the circumferential surface of the stirring barrel, a servo motor is fixedly installed at the top of the stirring barrel, and the servo motor is connected with the stirring barrel. The material turning device comprises a rotating rod, a sleeve rod, a moving rod, a hollow block, a connecting plate, a material turning plate and a linkage ring, the sleeve rod moves upwards to drive the connecting plate to move upwards, the connecting plate moves upwards to drive the material turning plate and the linkage ring to move upwards to reset, and the material turning plate moves vertically in a reciprocating mode to turn materials at the bottom of the stirring barrel. The stirring of the materials is beneficial to more uniform distribution of various components, it is ensured that the mixing efficiency is improved, and the phenomena of dead angles and material accumulation in the stirring device can be effectively avoided through stirring.

The invention belongs to the technical field of die-casting devices, and discloses a die-casting device for an aluminum automobile shock absorption tower and a die-casting method thereof.The die-casting device comprises a base, a first die and a second die are arranged in the base and symmetrically distributed, and a guide shaft is connected between the first die and the second die; before the die-casting device is used, a water pump and a motor are controlled to be started through a PLC, and when the water pump is started, a release agent in a storage box is pumped through a first connecting pipe, connected through a spraying pipe and finally sprayed out of a spraying head; and meanwhile, the moving seat drives the spraying seat to move to uniformly spray the mold, so that the spraying uniformity of the mold release agent is improved, the defects such as air holes, flow lines, cold shut and mucous membranes generated in the spraying process are reduced, and the quality of a die-casting finished product is ensured.

The invention belongs to the technical field of magnetic materials, and particularly relates to a method for preparing a high-performance neodymium-iron-boron magnet in a one-stop mode. The method for preparing the high-performance neodymium-iron-boron magnet in the one-stop mode comprises the following steps that rapid-quenching neodymium-iron-boron magnetic powder is subjected to cold pressing to obtain a cold-pressed blank, the surface of the cold-pressed blank is coated with a release agent, then preheating is conducted, and then the cold-pressed blank is put into a heat flow deformation mold to be subjected to pre-pressing, heat flow deformation and forming; the heat flow change mold sequentially comprises a pre-pressing section, a heat flow change section and a forming section from top to bottom. According to the method, pre-pressing, heat flow change and forming are carried out in a one-stop mode in a heat flow change mold, densification-grain flow change, magnetic domain preferred orientation-orientation uniformization and finished product forming of the magnet are completed, the traditional hot pressing process is avoided, the production procedure is greatly simplified, the production cost is reduced, and the production efficiency is improved.

The invention discloses a lightweight concrete safety energy storage cabinet and a preparation method thereof, and the lightweight concrete safety energy storage cabinet is obtained by injecting lightweight concrete into a mold and performing steam curing; the lightweight concrete is prepared from the following raw materials in parts by weight: 20 to 40 parts of cement, 8 to 20 parts of silica fume, 8 to 25 parts of slag powder, 0 to 10 parts of fine sand, 15 to 35 parts of lightweight fine ceramsite sand, 0 to 21 parts of coarse ceramsite sand with the particle size of 5 to 10 mm, 0 to 3 parts of steel fiber, 0 to 1.5 parts of PP fiber, 0.5 to 2.0 parts of polycarboxylic acid type water reducing agent, 0 to 14 parts of hollow glass beads, 0.1 to 0.5 part of release agent and water. Wherein the water-binder ratio is 0.15 to 0.22; the use amounts of the steel fibers and the PP fibers are not 0 at the same time; the light ceramsite sand and the coarse ceramsite sand are subjected to pre-wetting treatment before being used; the fireproof, explosion-proof and heat-insulating material has the characteristics of light weight, safety and impermeability, and has excellent fireproof, explosion-proof and heat-insulating properties.

The invention provides a popcorn sole forming machine facilitating mold forming and discharging, and relates to the technical field of shoe material production equipment. The popcorn sole forming machine facilitating mold forming and discharging comprises a machine table, a shoe mold used for forming a sole, a hydraulic device used for driving the shoe mold to be closed and separated, a compressed air control device, a feeding device, a water vapor control device, a cooling water control device and a controller. The oil spraying device is arranged in the machine table, before forming, the second air cylinder drives the atomization spray head to move above the forming cavity at a constant speed, the micro flow pump extracts the release agent, then the release agent is sprayed out through the atomization spray head under pumping pressure to form uniform mist, and the release agent can form a uniform film shape on the surface of the forming cavity; the oil spraying device is driven by the first air cylinder to be stored in the rectangular opening during production, the upper surface of the movable plate is flush with the upper wall of the machine table, and production operation is not affected.

The invention discloses an anti-aging acrylate rubber compound and a preparation method thereof, and belongs to the field of rubber chemistry and material science. The anti-aging acrylate rubber compound comprises the following components in parts by weight: 100 parts of acrylate rubber, 0.5-2 parts of stearic acid, 0.5-2 parts of an anti-aging agent A, 0.5-2 parts of an anti-aging agent B, 40-80 parts of carbon black, 1-5 parts of a release agent, 1-6 parts of a plasticizer, 0.3-4 parts of an accelerant and 0.3-3 parts of a vulcanizing agent. The preparation method of the rubber compound comprises a plurality of steps of internal mixing, open mixing, accelerator and vulcanizing agent adding, thin-passing operation and vulcanizing treatment, and finally the required anti-aging rubber product is obtained. The anti-aging acrylate rubber can be widely applied to automobile sealing parts, gaskets and other special rubber products, and the anti-aging performance of the acrylate rubber is remarkably improved.

The invention relates to the technical field of forging, in particular to a rapid forging hydraulic press which is characterized in that a first opening and a second opening communicating with the interior are formed in the two ends of a shell correspondingly, a first supporting plate is fixedly mounted on the outer side wall of the shell and located on the lower side of the first opening, a first air cylinder is fixedly mounted on the top wall of the first supporting plate, and a movable plate is fixedly mounted at the output end of the first air cylinder; a mold is arranged on the bottom wall of the inner side of the shell, a punch is arranged over the mold, a hydraulic cylinder is fixedly installed between the punch and the inner wall of the shell, a second supporting plate is fixedly installed on the outer side wall of the end, away from the first supporting plate, of the shell, and the second supporting plate is located on the lower side of the second opening. A clearing device is installed on the second supporting plate. A lifting turnover device is mounted in the shell; by means of the removing device, the release agent spraying device and the lifting and overturning device, the problem that metal filings, oxide skin and other residues remain in a mold is solved, and meanwhile the effect of convenient demolding is achieved.