16results about How to "Improve product performance" patented technology

The invention discloses a mold design method for a rubber part with a metal insert and a vulcanization molding process method thereof.The mold preparation method comprises the steps that firstly, a three-body type mold is designed according to the rubber part and comprises an upper mold, a middle mold and a lower mold, the middle mold, the upper mold and the lower mold are jointly positioned, and the middle mold and the lower mold are provided with glue overflowing grooves; 2, calculating the size of a mold cavity; step 3, mold preparation; the upper die, the middle die and the lower die are all made of 45 # steel, and the heat treatment hardness is 35-40 HRC; the roughness of the mold cavity part is 0.4, and the roughness of the matched part of the mold is 0.8. The vulcanization molding process method comprises the steps of rubber remilling, vulcanization molding, burr cleaning and inspection. Aiming at a rubber product containing an embedded metal ring, the problems of position control of an embedded part and difficulty in mold design are solved, and the problem of batch production is solved; the optimal product performance is ensured by the optimized vulcanization forming process; the environment-friendly effect is improved, and the waste rate is reduced.

The invention discloses a green low-carbon production method of an HG785 steel plate by replacing hardening and tempering with direct quenching and tempering, the thickness of the steel plate is 30-50mm, and the production method comprises the following steps: smelting and continuously casting various components according to a reasonable proportion; heating and rolling; directly quenching; two-phase region coupling tempering; and after discharging, performing air cooling or water mist cooling to room temperature to obtain a finished steel plate. The production method provided by the invention is high in universality, low in modification requirement on an existing medium-thickness plate production line (with accelerated cooling and tempering capabilities), easy to realize industrial large-scale production and remarkable in economic benefit and social benefit; through the collaborative design of'component fine adjustment and gradient quenching + two-phase region coupling tempering ', the mechanical property of the steel plate comprehensively reaches the standard (the yield strength is larger than or equal to 785 MPa, and the impact energy stability at the temperature of-40 DEG C is larger than or equal to 80 J) while greenness and low carbon are achieved, it is proved that'green production and product performance improvement can be synchronously achieved', and the practicability and popularization value of the green low-carbon technology are further enhanced.

The utility model discloses a kind of composite material forming is perfused epoxy resin system, belong to composite material forming technical field, the composite material forming is perfused epoxy resin system including reaction kettle, intermittent adjusting mechanism and suction bubble subassembly;Intermittent adjusting mechanism includes support, first motor, disc, male shaft, moving plate, arc groove and stirring device;Suction bubble subassembly includes multiple movable grooves, floating ring, lightweight spring, suction bubble plate, suction bubble mouth, air duct and suction bubble machine.The composite material forming is perfused epoxy resin system by intermittent stirring to avoid local overheating, maintain resin low viscosity state;By double-motor design realizes motion and stirring decoupling, accurately controls reaction condition;Self-adapting suction bubble mouth is close to liquid level, in combination with negative pressure suction, significantly reduce micro-bubble residue, improve composite material compactness, solve the problem, such as uneven mixing, bubble residue in traditional epoxy resin perfusion, significantly improve composite material forming efficiency and product performance.

This utility model relates to the technical field of electronic atomizer bodies, and discloses an electronic atomizer with colored lights, including a housing, an end cap on the top of the housing, an end cap slidably connected to the outer wall of the end cap, a connecting seat fixedly connected to the top of the end cap, an inhaler head slidably connected inside the connecting seat, an LED strip wrapped around the outer wall of the housing, a battery at the bottom of the housing, and an electrical connection between the LED strip and the battery. A disassembly / assembly assembly is provided inside the connecting seat; the disassembly / assembly assembly includes a slide rod and a locking block, with the outer wall of the slide rod slidably connected inside the connecting seat. In this utility model, the LED strip is activated simultaneously with the atomizer, creating an atmospheric user experience and enhancing the product's fun factor. Furthermore, the ingenious linkage between the rotating sleeve, the arc-shaped push plate, and the slide rod greatly improves the efficiency of inhaler head disassembly and assembly, bringing great convenience to users in daily use.

This invention belongs to the field of ceramic equipment manufacturing technology, and discloses a metallized ceramic shell for a vacuum interrupter and its processing technology. The process uses low-sodium α-alumina with 0.5~1μm grain size as raw material, and acid washing improves its chemical purity and grain boundary stability. During granulation, the moisture content is controlled to ≤0.1%, and homogenization is used to remove iron and eliminate conductive impurities. A drying process is added between pressing and turning to improve processing precision. Through programmed temperature sintering combined with atmosphere control, the crystal structure is optimized and organic matter and gases are expelled, avoiding closed pore defects. After firing, polishing reduces surface roughness and prevents dust adsorption and conductivity. The glazing process uses bentonite and silica to adjust the glaze viscosity, ensuring uniform glaze coverage and matching the thermal expansion of the ceramic body, improving the outer surface insulation performance. The synergistic effect of each step comprehensively improves the purity, density, and surface quality of the ceramic shell, effectively meeting the stringent insulation strength requirements of high-voltage vacuum interrupters.

The utility model discloses a device for preparing clean high-grade fluororubber, which is characterized in that an output port of a raw material container (8) is connected with an input port I (9) of a polymerization reaction kettle (2) through a compressor (1), and an output port of an auxiliary material container (11) is communicated with an input port II (10) of the polymerization reaction kettle (2); an output port at the bottom of the polymerization reaction kettle (2) is communicated with an input port III (12) at the upper part of the coagulation reaction kettle (3), an output port of the coagulant preparation barrel (4) is communicated with an input port IV (14) at the upper part of the coagulation reaction kettle (3) through a coagulant pump (13), and a stirrer (17) is vertically arranged in the coagulant preparation barrel (4); and an output port at the bottom of the condensation reaction kettle (3) is connected with a fluororubber finished product storage tank (15) through a cleaning device (5), a filtering device (6) and a drying device (7) in sequence. According to the utility model, the product performance of fluororubber is improved, and the environment can be effectively protected during preparation.

The utility model relates to the field of vacuum coating devices, and discloses a PVD (Physical Vapor Deposition) vacuum coating device which comprises a box door, the box door is rotatably connected to the front side of the outer wall of a coating box through a hinge, a partition plate is fixed in the coating box, a voltage transmitter is arranged in an adjusting voltage box, a spraying hose is fixed at the output end of a liquid pump, and the spraying hose is connected with the liquid pump. And the spraying hose penetrates through the coating box and extends into the coating box, a spraying head is fixed to one end of the spraying hose, and a first driving motor is fixed to the rear side of the fixing plate. According to the utility model, through the cooperative use of the adjusting voltage box, the voltage transmitter, the liquid collecting box, the spraying hose and the spray head, the workpiece can be coated, and meanwhile, through the cooperative use of the fixing plate, the first driving motor and the rotating frame, the angle of the spray head can be adjusted, spraying coating at different angles can be realized, and the situation that part of areas are not coated is avoided; and it is ensured that the workpieces can be coated comprehensively and evenly, and the coating efficiency and the coating quality are improved.

The application discloses a preparation method of an ultra-high voltage AC / DC unequal-diameter cable soft joint, mainly including two core steps of inner semi-conductive shielding layer recovery and main insulation layer recovery. In the inner semi-conductive shielding layer recovery process, the conductor connection area is first wrapped with a shielding tape, and then is heated and shaped by using an inner shielding variable-diameter mold; the transition slope of the inner cavity of the mold is accurately matched with the transition slope of the conductor welding part, so that the interface contact characteristics are optimized and effective strength compensation is realized. In the main insulation layer recovery process, the extrusion crosslinking process is accurately divided into four stages of starting and filling, transition and forming, stable production, ending and deceleration, and the extrusion speed, heating temperature and mold pressure of each stage are controlled accurately in sections. The smooth filling, uniform coating and dense forming of the insulation material in the variable-diameter mold cavity are ensured, and the thermal degradation and structure defects of the material are effectively inhibited.

The present invention relates to a resin composition, a prepreg using the same, a metal foil laminate, a laminate sheet, and a printed circuit board, the resin composition comprising: (a) an epoxy resin containing a modified dicyclopentadiene (DCPD) epoxy resin; (b) an aliphatic benzoxazine resin; and (c) a curing agent.

This invention provides a pre-forging equipment and method for gear forging production, relating to the field of gear forging technology. It includes a waste collection module, a powder preparation module, and an extrusion bar module, as well as a circulation control module electrically connected to each of these modules. The waste collection module is used to classify and collect waste generated before and after gear forging, and then transport the waste to the powder preparation module. The powder preparation module is used to sequentially crush, grind, remove impurities, clean, dry, and classify the received forging waste to prepare a metal mixed powder, which is then transported to the extrusion bar module. The extrusion bar module is used to press the metal mixed powder filled in the die cavity into pre-forged billets of a preset specification, achieving high-value recycling of gear forging waste, replacing the traditional remelting method, significantly reducing energy consumption and metal loss, improving material utilization, and significantly reducing production costs.

The application provides a granular ion sieve and a preparation method and application thereof, and the preparation method comprises the following steps: (1) dissolving a polymer monomer in an organic solvent to obtain an oil phase, mixing the oil phase with ion sieve powder, and performing a prepolymerization reaction and slurry under stirring to obtain a prepolymer; (2) mixing the prepolymer obtained in the step (1) with an aqueous phase containing a high molecular dispersant, and performing a suspension polymerization reaction to obtain the granular ion sieve. Through the method of simultaneously performing the prepolymerization and the slurry, the ion sieve powder can be thoroughly mixed with the polymer monomer, and the ion sieve powder is not easy to diffuse into the aqueous phase in the polymerization process, the process stability and product performance are improved, and the granular ion sieve prepared has a balling rate of greater than 70% in a qualified particle size range 。

This invention discloses the preparation and application of core-shell structured hollow glass microsphere precursor particles, comprising: mixing water glass with water, then removing sodium ions with a cation exchange resin to obtain a silicate aqueous solution; dissolving metal nitrate and boric acid into a saturated aqueous solution, adding it to the silicate aqueous solution under magnetic stirring to obtain a uniformly doped transparent mixed solution, and spray drying to obtain core-shell structured hollow glass microsphere precursor particles. This invention pre-forms relatively large pores within the precursor particles to obtain core-shell structured hollow glass microsphere precursor particles, which can effectively shorten the foaming and spheroidizing time, reduce incompletely foamed particles, and improve the yield and performance of hollow glass microspheres. This invention uses molecular-level water glass as the main raw material, completing part of the silicate formation and cross-linking reaction during the process, replacing the bonding and aggregation of particles prepared by traditional soft chemical methods with chemical bonding, thus enhancing the compressive strength of the precursor particles.

The invention provides a dynamic micro-interface polymerization method of a two-dimensional polymer material and application of the dynamic micro-interface polymerization method in preparation of a quasi-solid electrolyte, and the dynamic micro-interface polymerization method comprises the following steps: adding a first reaction monomer into a solvent, and stirring to obtain a first monomer solution; adding a second reaction monomer into the solvent, and stirring to obtain a second monomer solution; adding the second monomer solution into the reaction container, injecting the first monomer solution into the second monomer solution under a stirring condition, and reacting to obtain a mixed system; and carrying out suction filtration, purification and drying on the mixed system to obtain the two-dimensional polymer material. According to the dynamic micro-interface polymerization method disclosed by the invention, a dynamic micro-interface reaction system with a huge specific surface area is constructed through external mechanical stirring, and a reaction place is expanded from a limited two-dimensional plane to a massive micron-scale interface in a three-dimensional space, so that the core defect of insufficient interface area in static interface polymerization is fundamentally overcome.

The utility model belongs to the technical field of personal care electric appliances, and provides a sealing piece and an electric shaver, the sealing piece comprises a sealing body, a first deformation body, a second deformation body, a connecting body and a reinforcing piece, the sealing body is provided with a shaft hole for a driving shaft to pass through, the first deformation body is circumferentially arranged around the sealing body and is connected with the sealing body, and the second deformation body is connected with the connecting body. The second deformation body surrounds the first deformation body in the circumferential direction and is connected with the outer side of the first deformation body, and the outer side of the second deformation body is connected with the connecting body; the reinforcing piece is at least arranged on the first deformation body and / or the second deformation body. Therefore, the reinforcing piece is at least arranged on the first deformation body and / or the second deformation body, so that the structural strength of the sealing piece can be improved through the reinforcing piece, the shape of the sealing piece is kept stable, the sealing piece can be kept in a stable sealing state, the sealing reliability is good, the problem of sealing failure is well avoided, and the service life of the sealing piece is prolonged. And the product performance and quality of the electric shaver are improved.

The present application belongs to the technical field of barrier segmentation, and particularly relates to a frontal crash barrier segmentation method based on vehicle front structure data. First, a force wall crash database of a target vehicle model is constructed, and a deformation crush area of the target vehicle model is calculated based on a force wall crash curve in the force wall crash database to represent an X-direction barrier segmentation scheme. Then, a vehicle front structure database of the target vehicle model is constructed, and off-the-ground height data of a vehicle front energy absorption component is screened based on the vehicle front structure database to represent a Z-direction barrier segmentation scheme. Finally, an initial vehicle barrier is constructed based on the X-direction barrier segmentation scheme and the Z-direction barrier segmentation scheme, and the crash side and the opposite side of the initial vehicle front barrier are subjected to corner cutting processing to generate a final vehicle barrier. The present application can solve the problem that the existing frontal crash barrier cannot well represent the real vehicle front structure.

The invention discloses a novel package for hydrolytic sponge and a preparation method thereof. The package comprises a carrier bone needle, the component of the carrier bone needle is silicon dioxide, the carrier bone needle is of a porous structure, the pore diameter range is 10-500 nm, and the porosity is not lower than 70%; the wrapping layer covers the outer surface of the bone needle, is synthesized by a biodegradable polymer and is added with a sebum response type plasticizer; by adopting a high-pressure pre-landfill process, liquid nutritional ingredients can be forcibly pressed into the deep positions of micro-pores of the silicon dioxide bone needle, meanwhile, by optimizing the material and the thickness of a wrapping layer, accurate regulation and control of active ingredient release kinetics are achieved, a continuous release window from several hours to more than ten hours can be provided, and the preparation process is simple and convenient. Therefore, long-acting nourishing on the skin is realized, the shortages of instant effect and non-lasting effect of traditional cosmetics are overcome, the high loading rate and deep filling far beyond those of a conventional adsorption method are realized, and the problems that active ingredients are easy to fall off and are released too fast due to the fact that the active ingredients are only attached to the surface of a carrier are solved.