10results about How to "Simple molding" patented technology

The invention relates to a cooker formed by combining a metal heating plate, a waterproof film and a ceramic waterproof and hydrophobic blanket heat insulation material in a main body container. By means of the waterproof structure of the main body container and the pressure regulating valve used for discharging internal expansion pressure, the ceramic waterproof and hydrophobic blanket thermal insulation material and the waterproof layer are endowed with waterproof and hydrophobic functions so as to prevent water from flowing into the heating layer, so that the combination proportion of the heating layer composition can be conveniently regulated; and therefore, the required heating temperature is realized. The manufacturing method of the microwave cooker with the waterproof function and the high-performance ceramic heating body is provided.

The present invention relates to a polyimide powder and a preparation method therefor. With respect to the polyimide powder and the preparation method therefor, according to the present invention, a preparation process is simplified such that process efficiency can be improved, a polyimide is prepared in the form of a powder so as to facilitate molding thereof, and the polyimide has a low precipitation temperature and a high intrinsic viscosity so as to facilitate processing thereof, and has a uniform particle size so as to have excellent processability.

The embodiment of the present application provides a substrate section and an aerosol generating article, the substrate section is configured to be formed by winding or gathering the substrate section, the substrate section comprises a sheet-shaped substrate, the sheet-shaped substrate comprises a plurality of substrate strips arranged in parallel and at intervals, at least partial connecting areas are formed between adjacent substrate strips, the connecting areas connect the adjacent substrate strips, and the sheet-shaped substrate can be heated to generate aerosol. Wherein, at least partial areas of the sheet-shaped substrate are different from other areas of the sheet-shaped substrate. The substrate section provided by the present application can adjust the speed effect and duration of generating aerosol of the substrate strips in different areas according to different heating modes, so as to adapt to the temperature distribution characteristics of different heating modes, so that the substrate section as a whole can uniformly release aerosol, and the stability of the substrate section in generating aerosol is improved.

This invention provides a dielectric ion exchange membrane, its preparation method, and its application, relating to the field of membrane material preparation technology. The dielectric ion exchange membrane includes a substrate and an ion exchange membrane coated on the surface of the substrate. The ion exchange membrane comprises polyvinyl alcohol, an ion system, a UV-curable monomer, and a photoinitiator. By using UV curing technology, the crosslinking process and solvent evaporation can be precisely controlled during membrane formation, ensuring a smooth membrane surface and avoiding membrane curling caused by uneven shrinkage. The introduction of the UV-curable monomer is to form a crosslinked network under UV irradiation, inhibiting macroscopic structural flow and creep of the ion exchange membrane during film formation and service, improving the mechanical stability of the membrane, and forming a stable crosslinked structure, thereby forming a structurally stable dielectric ion exchange membrane and effectively preventing membrane curling during drying.

The utility model relates to a die-casting mold core structure for an automobile engine valve chamber cover, which comprises a mold core structure, a sprue structure, a sprue protection seat and an exhaust block component, the sprue structure is mounted in the middle of the front side of the mold core structure, the sprue protection seat is mounted at the lower end of the sprue structure in a sleeving manner, and the exhaust block component is mounted on the sprue protection seat. Exhaust block assemblies are installed on the rear side of the mold core structure side by side, the mold core structure comprises an upper mold core structure, a lower mold core structure and a boss structure, the boss structure is arranged in the middle of the upper end face of the lower mold core structure, and a mold cavity structure is arranged between the upper mold core structure and the lower mold core structure; two longitudinal bolt mounting blocks are symmetrically mounted at the two ends above the mold core structure, hole position bolts with the lower ends inserted into the mold cavity structure are mounted at the front ends of the longitudinal bolt mounting blocks, and two exhaust block assemblies communicated with the mold cavity structure are symmetrically mounted on the rear side of the mold core structure. The utility model has the characteristics of simplifying the mould, improving the product quality, reducing the production cost and the like.

The application discloses a dehydrogenation catalyst and a preparation method and application of the dehydrogenation catalyst in synthesis of OPP from cyclohexanone dimers. The preparation method of the dehydrogenation catalyst comprises the following steps: S1, a mixture containing an alumina source, an additive and a binder is extruded, dried and calcined to obtain the alumina carrier; the alumina source comprises macroporous pseudo-boehmite and microporous pseudo-boehmite; the macroporous pseudo-boehmite has a pore volume of 0.9-1.1 cm 3 / g; the microporous pseudo-boehmite has a pore volume of 0.4-0.6 cm 3 / g; the additive comprises a potassium salt; S2, the carrier is immersed in a solution containing a noble metal salt, and the obtained impregnated product is dried and calcined; the conditions of the immersion meet at least one of the following conditions: 1) the temperature of the immersion is 40-90 DEG C; 2) the pressure of the immersion is -1-0 MPa and does not include 0 MPa. The preparation method is simple, and the additive does not need to be secondarily impregnated; and the obtained dehydrogenation catalyst has the advantages of high carbon deposition resistance, excellent stability and high catalytic activity.

The utility model relates to the technical field of dies, in particular to an aluminum product machining die which comprises a bottom plate, supporting plates are fixedly connected to the left side and the right side of the upper end of the bottom plate, and first telescopic air cylinders are fixedly connected to the four corners of the ends, close to each other, of the two supporting plates. The output ends of the four first telescopic air cylinders on the left side and the output ends of the four first telescopic air cylinders on the right side are jointly and fixedly connected with mold bodies, and the upper portions between the two supporting plates and the upper portions between the two mold bodies are jointly and fixedly connected with protection mechanisms. According to the die for machining the aluminum products, the protection mechanism is fixedly connected to the upper portions between the two supporting plates and the upper portions between the two die bodies, the protection mechanism is formed by connecting the two protection plates in a sliding mode, and when the die is used, the protection mechanism can protect driving equipment in the die; and hot aluminum water is prevented from adhering to driving equipment in the device to cause damage to the device, and the service life of the device can be prolonged.

The invention provides rotary forming equipment and method. The rotary forming equipment comprises a rotational molding barrel, a transparent part, a heating assembly, a cantilever shaft, a rotational molding rack, a ventilation pipe, a gas assembly and a driving assembly. The rotational molding cylinder is a hollow cylinder with two through ends, and the axis is parallel to the horizontal plane; two ends of the rotational molding cylinder are respectively connected with the front end cover and the rear end cover; the diameter of the transparent part is greater than the inner diameter of the rotational molding cylinder body; the transparent part is arranged between the front end cover and the rotational molding cylinder body; the heating assembly is connected with the peripheral surface of the rotational molding barrel; one end of the cantilever shaft is fixedly connected with the rear end cover, and the other end is rotationally connected with the rotational molding rack; the cantilever shaft is connected with the driving assembly; one end of the breather pipe is arranged on the rotational molding barrel, and the other end of the breather pipe is rotationally connected with the gas assembly; the breather pipe is connected with the rear end cover. According to the rotational molding equipment, materials are fused in the metal rotational molding barrel, it is guaranteed that the materials are heated, and the transparent part is arranged at the front end of the rotational molding barrel so that real-time observation can be achieved.

The invention relates to the technical field of vehicles, and discloses a floor framework, a seat assembly, a floor assembly and a vehicle, a seat front cross beam, a seat rear cross beam, a first side reinforcing part and a second side reinforcing part are integrated to form the integrally formed floor framework, the number of parts of the floor framework is reduced, and the cost is reduced. Connection between mutually independent parts is omitted, so that the forming process of the floor framework is simpler, and the processing efficiency of the floor framework is improved; the integration degree of the floor framework can be improved, the size control of the floor framework is more accurate, the size precision is improved, and size errors caused by welding of independent components are avoided; the connecting strength of the seat framework, the seat front cross beam and the seat rear cross beam can be improved, and the safety and reliability of the floor framework are improved; and the performance of the area near the seat can be improved, and the user perception experience is improved. By arranging the second side reinforcing piece, the structural strength, the anti-collision performance, the reliability and the stability of the whole floor framework can be improved.

This invention relates to a front bulkhead assembly, a vehicle, and a method for manufacturing the front bulkhead assembly. The front bulkhead assembly includes an upper front bulkhead panel and a lower front bulkhead panel. The upper front bulkhead panel includes an upper panel body and a wheel arch clearance portion. The wheel arch clearance portion arches rearward relative to the upper panel body. The upper part of the lower front bulkhead panel is connected to the lower part of the upper panel body and the lower part of the wheel arch clearance portion. The method for manufacturing the front bulkhead assembly includes: manufacturing the upper front bulkhead panel: machining a front bulkhead panel process component, wherein the area on it corresponding to the wheel arch clearance portion is in an unfolded state; performing precision machining on the front bulkhead panel process component, shaping the second rib groove structure to the correct position, and folding and arching the wheel arch clearance portion to the correct position; manufacturing the lower front bulkhead panel; and connecting the upper and lower front bulkhead panels. This invention can reduce the machining depth of the wheel arch clearance portion, which is beneficial for simplifying molds, improving material utilization, and reducing costs.