94results about How to "Reduce molding process" patented technology

The invention provides a core-shell structure magnetic micro-spherical alumina MeFe2O4-SiO2-Al2O3 and the preparation method. According to the positioning effect of the LDHs laminated metal element, the invention firstly prepares the Me-Fe2+-Fe3+-LDHs laminated precursor by introducing the Me2+, Fe2+ and Fe3+ into the hydrotalcite laminate, and the spinel ferrite MeFe2O4 is formed by high-temperature roasting; the Na2SiO3.9H2O or silicon ester hydrolysis is adopted to coat a SiO2 protection layer on the surface of the MeFe2O4, the organic alcohol aluminum hydrolysis method is adopted to coat the alumina layer for a plurality of times, and finally the magnetic micro-spherical alumina MeFe2O4-SiO2-Al2O3 is obtained. The method saves the forming process of the traditional preparation method, and adjusts the magnetic structure and pore structure of the samples by changing the thickness of the SiO2 protection layer and the adding quantity of the magnetic object MeFe2O4 for meeting the application requirement of the magnetic stable bed process.

The invention relates to core-shell type MOFs composite particles and a preparation method and application thereof. The preparation method of the core-shell type MOFs composite particles includes the following steps that a porous material and a molding promoter are mixed, wet granulating and calcining are carried out, and spherical cores are obtained; the cores are soaked with a binder solution, the cores are subjected to rolling pelleting in MOFs raw powder, and the core-shell type MOFs composite particles are obtained after drying. According to the core-shell type MOFs composite particles, compounding of core-shell materials is achieved in a mechanical bonding mode, the process is simple, the limitation that the varieties of core-shell materials are limited in a traditional in-situ chemical compounding mode is overcome, the application range is wide, interface bonding force is high, the yield is high, and industrial production is easy.

A method for forming a high tensile strength metal sheet (HTSMS), which is performed in a power press machine composed of a die, a punch and a blank holder, is disclosed. The HTSMS is placed between the die and punch with blank holder. A step portion appears at both an outer side of the punch and a pressing portion of the blank holder. The step portion is corresponding to a predetermined bent portion of the HTSMS. A step will be formed at an edge of the HTSMS by progressively pressing of the step portion to avoid recoil of the HTSMS after forming process.

The invention discloses a one-time forming system of a spring bars former. The one-time forming system comprises an upper die, a lower die, two upper positioning posts, two lower positioning posts, a middle push arm, two side push arms, and two limb push arms. The surface of the upper die faces the surface of the lower die. The upper positioning posts are fixed above the surface of the lower die in a bilaterally symmetric manner. The lower positioning posts are fixed below the surface of the lower die in a bilaterally symmetric manner. The middle push arm is disposed above the lower die. The side push arms are symmetrically disposed on two sides of the middle push arm. The limb push arms are symmetrically disposed on two sides of the lower die and are lower than the lower positioning posts in horizontal height. The invention further discloses a forming method of spring bars. The one-time forming system and the forming method of spring bars have the advantages that one-time forming of spring bars is achieved and production efficiency is improved.

The invention discloses a super-plastic forming die and a method thereof. The super-plastic forming die comprises: an upper die, wherein the upper die is provided with a preforming die cavity having a preforming structure; and a lower die, wherein the lower die is concavely provided with a forming die cavity, the forming die cavity corresponds to the preforming die cavity to make the forming die cavity and the preforming die cavity form a closed space during the closing of the lower die and the upper die, the upper die and the lower die are provided with an upper air inlet and a lower air inlet respectively, and the upper air inlet and the lower air inlet are communicated with the closed space. The super-plastic forming die can realize the completion of a super-plastic forming technology, the completion of preforming and final forming in a same die, and instant forming after preforming, has the advantages of good integral formability, good mechanical performances, uniform product thickness, abundant product kind, simple preparation technology, short production period, low rejection rate, and low production cost, is suitable for the industrialized production, and has a wide application space and a very large market popularization value.

The invention relates to semi-solid slurry preparation and forming integrated equipment, and belongs to the technical field of material processing. The equipment comprises a smelting device, a top plate, a supporting column, a slurry preparing device, a numerical control operation table, an extruding forming device and a base; the numerical control operation table is arranged on the base; the supporting column is arranged on the base and located on one side of the numerical control operation table; the top plate is horizontally arranged at the top end of the supporting column; the smelting device is arranged on the top plate; the extruding forming device is arranged on the base and located below the top plate; the pulp preparing device is arranged at the lower end of the top plate and located above the extruding forming device; and the smelting device, the slurry preparing device and the extruding forming device are sequentially communicated and are correspondingly connected with the numerical control operation table.

The invention discloses a system and method for processing automobile door-ring tailor-welded plate blanks. The processing system comprises a discharging mechanism, a plurality of articulated manipulators, a plurality of plate tool clamps, a moving mechanism, a laser cutting mechanism and a laser welding mechanism, wherein a plurality of plates discharged by the discharging mechanism are providedwith cutting parts; the plates are positioned on the plate tool clamps; the parts to be cut of the plates are suspended outside the plate tool clamps; a laser cutting head of the laser cutting mechanism and a laser welding head of the laser welding mechanism are correspondingly arranged on the moving mechanism; the moving mechanism drives the laser cutting head to sequentially cut off each part tobe cut so that each plate can form a welding plate edge; each articulated manipulator can drive the corresponding plate tool clamps on the articulated manipulator to move in a horizontal direction sothat the welding plate edges of each two adjacent plates correspondingly abut to form a welding portion; and the moving mechanism drives the laser welding head to sequentially weld each welding portion. The system and the method have the advantages of high production efficiency, low tooling cost, high welding quality and the like.

The invention discloses a stamping die used for stamping an inverted-pothook-shaped structure. The stamping die comprises an upper die and a lower die; the lower die comprises a bottom board and a support fixing board arranged on the bottom board, and the support fixing board is fixedly provided with a support; the support is further provided with a swing block which is movably connected to the support. The swing block is provided with a formed surface matched with the inverted-pothook-shaped structure of a stamped part. An upper die guide board is provided with a set of inclined top blocks which can move vertically, and a formed surface which is matched with the swing blocks to form the inverted-pothook-shaped structure is arranged below the inclined top blocks. The lower die is further provided with a blank locating board which is arranged on the support in a sleeved mode, an elastic part is arranged between the blank locating board and the support fixing board, and the elastic part can be elastic rubber or a spring. According to the stamping die, the inverted-pothook-shaped structure can be formed at a time, the number of stamping procedures of the inverted-pothook-shaped structure is reduced, and production cost is lowered. The stamping die can be widely applied to the stamping field of the inverted-pothook-shaped structure.

A relay device capable of reducing the manufacturing costs thereof by decreasing the number of parts and the number of electrical connections between these parts, and making the manufacturing process simple. The relay device has a plurality of electromagnetic relays and uses a common base plate with which stems of the electromagnetic relays are formed integrally, and on which a wiring member is formed by resin molding. The wiring member on the common base plate is projected from the molded resin to define a fixed contact member of each electromagnetic relay. Each relay unit assembly of each electromagnetic relay except for the fixed contact member thereof is secured to the common base plate such that a movable iron piece is driven in parallel with a surface of the common base plate. The construction of the resultant relay device is compact, the relay properties are readily adjusted, and the number of parts can be reduced.

The invention provides a rear sub-frame of an automobile applied to the technical field of auto parts. A front cross beam (1) is connected with one end of a left longitudinal beam (3) and one end of a right longitudinal beam (4) respectively, a rear cross beam (2) is connected with the other end of the left longitudinal beam (3) and the other end of the right longitudinal beam (4), after the front cross beam (1), the rear cross beam (2), the left longitudinal beam (3) and the right longitudinal beam (4) are connected, a mouth-shaped structure is formed, the front cross beam (1), the rear cross beam (2), the left longitudinal beam (3) and the right longitudinal beam (4) are structures made of aluminum alloy materials, and the rear sub-frame of the automobile is designed into a structure prepared through the integrated molding process. The rear sub-frame of the automobile is simple in structure and low in cost and has the advantages of being ligh, integrally formed, short in molding time, consistent in performance, free or connection defects, high in accuracy and the like. When collision occurs, the rear sub-frame of the automobile can effectively absorb external impact, and the safety of passengers is ensured when the whole automobile is in use.

The invention provides a brake wheel all metal casting die and relates to a die. The brake wheel all metal casting die comprises an outer metal die, an inner metal die and an inner hole metal die, wherein the outer metal die is used for forming the outer surface of the outer wall of the brake wheel; the inner metal die is used for forming the wall of the inner cavity of the brake wheel; the innerhole metal die is used for forming an inner hole of the brake wheel; the outer metal die comprises an outer metal die I for forming the side face and the upper end face of the outer wall of the brakewheel and an outer metal die II for forming the lower end face of the outer wall; the inner metal die comprises an inner metal die I for forming the outside cavity wall of the inner cavity of the brake wheel and an inner metal die II for forming the inside cavity wall of the inner cavity of the brake wheel and connected with the inner metal die I; the outer wall of the inner metal die II is connected with a control piece capable of pulling the inner metal die II to demold; and through holes for accommodating the inner hole metal die are formed in the middle parts of the outer metal die I and the inner metal die II respectively. The casting die also comprises a pull rod, a pressing sleeve and a piston rod, wherein the pull rod is arranged in the through holes of the inner hole metal die; the pressing sleeve is fixedly connected with the top of the pull rod; and the piston rod is connected with the bottom end of the pull rod and is used for pushing and pulling the pull rod and the pressing sleeve so as to demold the inner hole metal die conveniently.

The invention discloses a forming die for an upper shell of an automobile battery box. A first stretching die assembly for stretching a section I with the maximum height part on the upper shell of theautomobile battery box for the first time, a second stretching die assembly used for secondary stretching for integrally forming the upper shell of the automobile battery box and a shaping die assembly used for carrying out shaping of arc transition on corners of a formed product are sequentially arranged between an upper die assembly and a lower die assembly, wherein a first upper die of the first stretching die assembly, a second upper die of the second stretching die assembly and a shaping upper die of the shaping die assembly are all connected to the upper die assembly, and a first lowerdie of the first stretching die assembly, a second lower die of the second stretching die assembly and a shaping lower die of the shaping die assembly are all connected to the lower die assembly. Therefore, the production efficiency is greatly improved, the production cost is saved, the welding defect is avoided, and the risk of airtight leakage is also avoided.

An optical waveguide for optical signals is formed in a semiconductor layer of an SOI substrate, a heater for heating the optical waveguide is formed on a silicon oxide film which covers the optical waveguide, and wirings for supplying power to the heater are connected to both ends of the heater. Each of the wirings is constituted of a laminated film of a bottom barrier metal film, an aluminum-copper alloy film serving as a main conductive film and a top barrier metal film, and the heater is constituted integrally with the bottom barrier metal film constituting a part of each of the wirings.