42results about How to "Improve molding yield" patented technology

The invention relates to a production process for preparing a silica ceramic crucible by use of a pressure grouting method and belongs to the technical field of high-grade refractory materials in a polycrystalline silicon industry. The pressure grouting comprises steps of preparation of pouring slurry, die assembling, molding by pouring slurry and demolding for fetching a green body, i.e., (1) ball-milling fused silica grain composition into slurry; and (2) fixing a resin die and assembling the die, grouting, pressurizing quartz slurry with the initial pressure being 0.1-0.2Mpa, enhancing the pressure to 0.3-1.5Mpa after a die cavity is filled with quartz slurry, keeping the pressure for about 5 minutes to filter water in the silica slurry by virtue of a micro-reticular resin mold to form a square crucible green body, and during demolding of the green body, and applying pressure of 0.2-0.3Mpa to the surface of the green body through the back layer of the micro-reticular resin mold by utilizing compression air. The green body of the silica ceramic crucible, prepared by the process, has high intensity, does not have residual air holes and is easy to demold, the product is good in thermal shock resistance and high in temperature resistance, and can meet the process requirements of polycrystalline silicon production; and the process has the advantages of high biscuit drying speed, small occupied area for production, shortened manufacturing period, low cost, and suitability for scale production.

The invention discloses a non-phosphorus and low-carbon alumina-magnesia unburned brick for a stainless steel ladle and a manufacturing method of the brick. The non-phosphorus and low-carbon alumina-magnesia unburned brick comprises the following components by mass percentage: 15-20% of 5-3mm bauxite, 20-25% of 3-1mm bauxite, 10-15% of bauxite less than or equal to 1mm in particle size, 10-15% of 3-1mm fused magnesite, 5-10% of fused magnesite less than or equal to 1mm in particle size, 10-15% of emery powder, 15-20% of spinel powder, 2-5% of aluminum oxide micropowder less than or equal to 25 micrometers, 0.1-2% of silicon carbide additive, 0.1-2% of wetting agent and a phenolic resin binding agent. Compared with the prior art, the brick and the method have the prominent advantages that a burning technology in the conventional method is omitted, energy sources are saved, the brick is free from phosphorus; aluminum and magnesium perform spinel reaction at the high temperature; and the brick is subjected to machine molding in the absence of the phosphorus, has higher density, avoids pollution of molten stainless steel, and has a longer service life.

The invention discloses a production process for a 3D (three-dimensional) battery cover. The production process is realized by the following steps: compounding a PMMA (Polymethyl Methacrylate) film with a PC (Polycarbonate) thin film to form a compound board; sequentially arranging a LOGO pattern printing layer, a UV(ultraviolet) transfer printing texture pattern layer, an optical film layer and abase color ink layer on the bottom surface of the PC thin film from top to bottom to form a to-be-molded sheet; putting the to-be-molded sheet on molding equipment for molding at high pressure to obtain a molded semi-finished product; carrying out shower coating of UV hardening liquid on the top of the surface of the molded semi-finished product by using a pressure gun; enabling the surface of the molded semi-finished product to be coated with the UV hardening liquid fully, and then drying to form a surface treatment part; cutting on the surface treatment part by reverse placement by using aCNC (Computer Numerical Control) cutter to form a finished product of the 3D battery cover. Compared with the prior art, the 3D battery cover has the advantages that the battery cover also has good toughness and higher hardness on the premise of reaching excellent strength as well as high rate of the molded finished product and highlight effect of the surface. The invention also discloses moldingequipment for the 3D battery cover.

The invention discloses a plastic bottle automatic forming liquid filling machine. The liquid filling machine is sequentially provided with a plastic sheet film conveying unit and a forming unit (19); the plastic sheet film conveying unit comprises a feeding roller (8) and a plastic sheet film dividing assembly; the feeding roller (8) is used for conveying a rolled plastic sheet film (7); the plastic sheet film dividing assembly is used for dividing the conveyed-out plastic sheet film (7) into two parts in the motion direction of the plastic sheet film (7), and the two divided parts are subject to forming treatment through the forming unit; and compared with the prior art, the whole plastic bottle automatic forming liquid filling machine avoids the influence of the high-temperature on filled liquid, the technology efficiency is higher, the yield is higher, leftover materials generated through the technology are fewer, and the production cost is greatly reduced.

The invention relates to an image capturing lens comprising, in order from an object side to an image side: a first lens element with negative refractive power; a second lens element with positive refractive power; a third lens element with positive refractive power; the image capturing lens satisfies the following relational expressions: SD11/sin (ANG12) is greater than 2.50 mm and less than 5.20mm, wherein SD11 is the height of the maximum effective diameter of the object side surface of the first lens relative to the optical axis, and ANG12 is the included angle between the tangent line ofthe curved surface of the image side surface of the first lens at the maximum effective diameter and the vertical line of the optical axis. When the relationship is satisfied, the effective semi-aperture of the object side surface of the first lens can be reasonably controlled to effectively enlarge the field angle of the image capturing lens; and meanwhile, the included angle between the curvedtangent line and the tangent point vertical line of the image side surface of the first lens at the maximum effective diameter can be controlled, so that the surface type of the image side surface ofthe first lens is not bent excessively, the forming yield of the first lens is improved, and the manufacturing difficulty and cost are reduced.

The invention provides a high-reliability inorganic all-solid-state electrochromic film device and a preparing method thereof. The device comprises a substrate, and a first protection layer, a first transparent conductor layer, a second protection layer, an inorganic discoloring layer, an inorganic ionic conduction layer, an inorganic ion storage layer, a third protection layer, a third transparent conductor layer and a fourth protection layer which are arranged on the substrate in sequence. The film combination is of an all-solid-state structure, all film layers are in inorganic solid states,the activity of film materials cannot degrade or reduce over time, or there is no mutual corrosion problem among the materials. In the high-reliability inorganic all-solid-state electrochromic film device, the protection layers arranged mainly to avoid short circuit inside the transparent conductor layers and discoloration and failure. Therefore, the performance of all the film layers is strengthened, the light pass rate can be controlled precisely, the response time is prolonged, the good-product rate of shaped films is increased, the service life of the electrochromic device is prolonged, and the cost is reduced.

The invention provides a power module internal connection copper sheet and a preparation method thereof. The power module internal connection copper sheet comprises a copper plate, a first copper strip and a second copper strip, the first copper strip and the second copper strip are arranged on the copper plate at an interval, the first copper strip and the second copper strip are arc-shaped, the two ends of the first copper strip are both connected to the copper plate, and the two ends of the second copper strip are both connected to the copper plate. The secondary forming difficulty of the copper plate in the module is reduced, and batch production capacity is achieved.

The invention discloses a foaming, welding, forming and manufacturing process of a complex shoe body. A target formed complex shoe body has a plurality of complex raised grains or holes or color blocks, and forming process materials of the target formed complex shoe body include a shoe material which contains an unexcited foamer, a cold pressing mold, a foaming and welding mold and a finished shoe forming cabinet; during production and manufacturing, the shoe material which contains the unexcited foamer is prepared into sheets or agglomerates and then is divided into parts and components of the shoe body through cold pressing by the cold pressing mold, the parts and the components of the shoe body are put in the foaming and welding mold and are heated by the finished shoe forming cabinet so as to foam, forming and weld the parts and the components, and the complex shoe body is formed by a plurality of simple spare parts. According to the foaming, welding, forming and manufacturing process, the structure of the mold can be greatly simplified, the labor intensity of operators is reduced, the production speed and the one-time rate of good products are increased, the defects of difficulty in manufacturing the mold of the complex shoe body, long forming and manufacturing cycle, high defect rate and the like are overcome, the maintenance and service are facilitated, the structure is reliable, the cost is low, and multiple purposes are achieved once.

The invention relates to an optical system, an image capturing module and an electronic device. The optical system includes, in order from an object side to an image side: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with refractive power; a fourth lens with positive refractive power, wherein both the object-side surface and the image-sidesurface are aspheric, and at least one of the object-side surface and the image-side surface has an inflection point; and a fifth lens with negative refractive power. The optical system satisfies thefollowing conditional expressions: 0.5 <= ET8/CT8 <= 1.2, wherein RT8 is the edge thickness of an air lens composed of the image-side surface of the fourth lens and the object-side surface of the fifth lens, and CT8 is the distance between the image-side surface of the fourth lens and the object-side surface of the fifth lens on the optical axis. According to the optical system, the fourth lens and the fifth lens are not easy to collide with each other in the assembling process, and the assembling yield of the optical system is improved.

The invention provides a heating field device of a molding three-dimensional continuous glass molding device. The heating field device consists of a graphite heating block and a base which are integrally molded by a material with good heat conductivity, wherein the heating block has a proper number of groove holes which are tightly combined with heating elements to form a heating field; a bearingplate made of a porous ceramic material is arranged between the heating block and the base; the heating block is fixed on the base through a detachable element; and the base is fixed in a preset position of a molding device through a detachable element. As the heating field has good heat conductivity and temperature uniformity, a molded three-dimensional glass product is small in internal stress and high in molding pass percent, and the precision of sizes of products can be ensured.

A disclosed manufacturing method for fiber tubes comprises the following steps: (1) prefabricating bulk foam powder; (2) coating with a plastic interlayer; (3) reeling fiber cloth; (4) curing molding; and (5) taking out the finished product from a forming die. According to the manufacturing method, a foam powder is used for preparation of the bulk foam powder with a shape identical to the tube shape according to the shape of the tubes; then the plastic interlayer is covered, the fiber cloth is reeled, and curing molding is performed, thus a conventional mode that a fiber tube is filled with foam particles is replaced, so that the bulk foam powder is heated uniformly and expands, and thus an inner pressure is formed from the interior and the fiber cloth is expanded and clings to the inner wall of the die for molding, so that the manufacturing method helps to put an end to sand inclusion caused by the easily overflowed foam powder and molding defects comprising fake connection and the like caused by hollow foam powder, and effectively improve molding yield rate; and the manufacturing method is simple to operate and has substantially improved working efficiency.

The invention discloses a thermal forming mold and method for a glass cover plate. The thermal forming mold comprises a lower mold, a heating mechanism and an upper mold, a first extrusion part and a second extrusion part of the upper mold are arranged to correspondingly act on the middle part and the edge part of to-be-processed glass respectively, extrusion shaping of the to-be-processed glass is completed regionally, so that the glass cover plate with the 3D structure is formed at a time, and the process is simple. The second extrusion part can also push the edge part of the to-be-processed glass into the forming groove from the periphery, so that all parts of the to-be-processed glass can be utilized. In the extrusion process, the wall face of the forming groove, the surface of the first extrusion part and the surface of the second extrusion part act on the surface of the to-be-machined glass in multiple directions, so that all the surfaces of the to-be-machined glass are limited, the shape of the machined glass cover plate is easier to control, product specifications are unified conveniently, and the forming yield is increased.

The invention discloses a large-central-angle magnetic shoe forming upper die and a large-central-angle magnetic shoe forming method. The large-central-angle magnetic shoe forming upper die comprises a forming upper die body, the lower end face of the forming upper die body is provided with an inwards-concave arc-shaped face, the top of the forming upper die body is provided with a main water storage cavity, and the main water storage cavity is externally connected with a vacuum negative pressure pipeline; a left branch water storage cavity and a right branch water storage cavity are formed in the positions, located below the main water storage cavity, of the upper die body, the left branch water storage cavity and the right branch water storage cavity are not directly communicated with the main water storage cavity, and the main water storage cavity, the left branch water storage cavity and the right branch water storage cavity communicate with the lower end face of the upper die body 1 through a plurality of vertical small drainage holes, the left branch water storage cavity and the right branch water storage cavity are located above an arc left tail end and the arc right tail end of the arc face respectively. The large-central-angle magnetic shoe forming upper die and the large-central-angle magnetic shoe forming method further comprises the large-central-angle magnetic shoe forming method, the problem that the two sides of the arc of the magnetic shoe forming green body with the inner arc central angle larger than 145 degrees are prone to cracking can be solved, the forming yield of the large-central-angle magnetic shoe is greatly increased, and the method can adapt to the full-automatic magnetic shoe forming process.

The invention provides a structure for fixing nuts to a surface shell and a mobile terminal. The structure for fixing the nuts to the surface shell comprises the nuts and the surface shell, wherein the nuts are provided with bodies and limiting parts arranged on the bodies; the bodies are provided with threaded holes; the surface shell is provided with mounting grooves for mounting the nuts; side walls of the mounting grooves are provided with limiting matching parts; the limiting parts are matched with the limiting matching parts in order to limit the movement of the nuts relative to the surface shell. According to the structure for fixing the nuts to the surface shell provided by the invention, the limiting parts on the nuts are matched with the limiting matching parts on the side walls of the mounting grooves after the nuts are mounted in the mounting grooves from open ends of the mounting grooves, so that the movement of the nuts relative to the surface shell can be limited; fixing of the nuts to the surface shell is realized; the requirement on mold accuracy is lowered; and a high molding yield is achieved. Moreover, the nuts can be fixed without any Z-direction structural component, so that the mounting accuracy of the nuts on the surface shell is increased, and the mounting strength is enhanced.

The invention discloses a novel semiconductor crystal bar arrangement forming die. The die comprises a base, a mold box, a seed crystal, a first stepping motor and a second stepping motor, the mold box is welded to the upper surface of the base, and a box door is connected to the outer surface of the front end of the mold box through hinges. A protective cover is fixed to the top end of the mold box through screws. Air inlet pipes are fixed to the two sides of the protective cover through screws. A fixed seat is fixed on the upper surface of the mold box through screws; a screw sleeve is arranged on the inner side of the fixed seat in a penetrating manner; the inner side of the screw sleeve is connected with a screw sleeve through a bearing; a screw rod is arranged on the inner side of thescrew sleeve in the penetrating mode, the bottom end of the screw rod is sleeved with a permanent magnet ring, the top end of the screw sleeve is sleeved with a driven bevel gear, the outer surface of the driven bevel gear is meshed with a driving bevel gear, a guide rod is fixed to the upper surface of the fixing base, and the top end of the screw rod is sleeved with an electromagnetic disc. Thearrangement stability is improved, and the crystal bar forming yield is increased.

The invention discloses a passenger car carpet forming mold material clamping system. The passenger car carpet forming mold material clamping system comprises a lower mold bottom plate and a lower mold body, lifting material clamping mechanisms are arranged at the positions, at the two ends of the lower mold body, of the lower mold bottom plate correspondingly, each lifting material clamping mechanism comprises a lifting driving assembly, a material clamping frame, an upper pressing plate, a lower pressing plate and a material clamping driving assembly, the lifting driving assemblies drive the material clamping frames to ascend and descend, the upper pressing plates and the lower pressing plates are installed on the material clamping frames, the material clamping driving assemblies drive the upper pressing plates and the lower pressing plates to be opened or closed, when fabric is conveyed to the position above a lower mold body through a girder, the material clamping frames ascend to the height of the girder, the two pressing plates are in an opened state, the fabric is positioned, material receiving is carried out, the two pressing plates are closed to clamp the fabric after material receiving, and descending to the height of an upper mold body is carried out. The passenger car carpet forming mold material clamping system is compact, reasonable and simple in structure and low in failure rate, simplifies the mold structure, reduces labor hours, improves the raw material utilization rate and the forming yield and is high in automation degree.