16results about How to "Mass production" patented technology

This invention provides a method for controlling the weight of a solid tire carcass and its application, relating to the field of tire carcass technology. The method includes the following steps: (a) weighing the base rubber after molding and comparing it to the standard weight of the base rubber to obtain a weight difference value; (b) correcting the amount of intermediate rubber based on the weight difference value from step (a), weighing the tire carcass after molding the intermediate rubber, and comparing it to the standard weight of the intermediate rubber tire carcass to obtain a weight difference value; (c) correcting the amount of tread rubber used in one stage based on the weight difference value from step (b), weighing the tire carcass after molding the first stage of tread rubber, and comparing it to the standard weight of the first stage of tread rubber tire carcass to obtain a weight difference value; (d) correcting the amount of tread rubber used in the second stage based on the weight difference value from step (c), and molding the tread rubber in two stages to obtain the finished tire carcass. This invention, through segmented weighing and multi-stage correction, gradually offsets the weight errors in each molding stage, achieving a tire carcass weight error of ±0.1 kg, far superior to existing weight control precision.

The utility model discloses a tin bath water drum cleaning device and a glass production line, and particularly relates to the technical field of glass preparation, the tin bath water drum cleaning device is provided with a rack, a walking mechanism and a cleaning mechanism, an installation cover is installed on the rack, a closed space is formed between the installation cover and the rack, the walking mechanism is installed on the rack, and the walking mechanism is located in the closed space; the walking mechanism comprises a walking part and a mounting frame, the mounting frame is mounted on the walking part, a first movement groove formed in the first direction and a second movement groove formed in the second direction are formed in the mounting frame, and the cleaning mechanism is mounted in the closed space and comprises a nozzle, a first cleaning assembly and a second cleaning assembly; and when the to-be-cleaned water bag penetrates through the first cleaning space and the second cleaning space in the third direction, the nozzles can spray high-pressure gas towards the to-be-cleaned water bag, the first cleaning assembly and the second cleaning assembly can clean the to-be-cleaned water bag, the to-be-cleaned water bag can be efficiently cleaned, and the production requirement is met.

The application discloses a kind of Ni doped nano SnO2 semiconductor HCHO sensing materials and preparation method and application thereof, and the preparation method of sensing material includes the following steps: step one, Sn salt-Ni salt solution is configured;Step two, using supercritical hydrothermal synthesis (CSHS) reaction device, Sn salt-Ni salt solution is contacted with supercritical water and crystallization is generated nano doped oxide, and reaction liquid is discharged and collected after cooling, and the crystalline material is separated, i.e. the Ni doped nano SnO2 semiconductor HCHO sensing material of the application.The Ni doped nano SnO2 semiconductor HCHO sensing material prepared by the method of the application has good structural consistency and excellent sensing performance.

This application discloses a miniaturized thin-film chip coupler, including a PCB board and a first coupling line and a second coupling line disposed on the PCB board. The first coupling line has an input section and a direct output section at its two ends, respectively. The second coupling line has a coupling output section and a thin-film resistor at its two ends, respectively. Multiple first branches and multiple second branches protrude from the opposite ends of the first and second coupling lines, respectively. Multiple third coupling branches and multiple fourth coupling branches protrude from the facing ends of the first and second coupling lines, respectively. A pair of fifth coupling branches protrude from the ends of the first coupling line facing the second coupling line, and a pair of sixth coupling branches protrude from the ends of the second coupling line facing the first coupling line. This miniaturized thin-film chip coupler, through structural design, simplifies the circuit structure, improves product consistency, and can meet the requirements of mass production while reducing costs.

The application relates to the technical field of sodium ion battery negative electrode materials, in particular to a closed pore directional regulation and control bamboo-based hard carbon negative electrode material and a preparation method thereof. The method is used for preparing the bamboo-based hard carbon negative electrode material through bamboo material selection and pretreatment, three-stage gradient pre-oxidation, plasma activation, molten salt auxiliary step-by-step carbonization, deep acid pickling purification, and grading ball milling and surface carbonization coating steps, accurately regulates and controls a closed pore structure, reduces defects, improves a carbon yield and batch consistency, is applied to a sodium ion battery, and realizes synchronous improvement of a first circle coulomb efficiency, sodium storage capacity, rate performance and cycle stability.

This invention relates to mupirocin compounds, specifically to a method for preparing mupirocin derivatives. The method includes the following steps: 1) benzyloxyheptenol reacts with triethyl orthoacetate via a Claisen rearrangement to generate trans-ethyl olefin ester; 2) the trans-ethyl olefin ester undergoes oxidation to remove debenzylic protection, producing an alcohol compound; 3) the alcohol compound undergoes halogenation to generate a key branched iodide; 4) mupirocin reacts with excess trimethyl orthoformate under acidic catalysis for alcohol protection, followed by ester hydrolysis under alkaline conditions to obtain polyol-protected mupirocin acid; 5) the polyol-protected mupirocin acid reacts with the iodide via a nucleophilic substitution reaction to generate a polyalkyl mupirocin ester; 6) the polyalkyl mupirocin ester undergoes alkaline hydrolysis, followed by acid-base adjustment and deprotection to obtain the crude product, which is then neutralized to acid and purified by slurrying with an inorganic base to obtain the target compound. This invention avoids harsh reaction conditions, has readily available raw materials, high yield, simple operation and purification, and can be used for large-scale production of high-quality target compounds.

This utility model provides a badminton shuttlecock feather arch detection device, belonging to the field of feather arch detection. It includes a workbench and a display screen and controller mounted on the workbench. A rotating seat device is located on the top of the workbench, with multiple sets of insertion holes for inserting feathers. An arch detector is located on the left side of the top of the workbench, and a support plate is located on the rear side wall of the workbench. The device also includes a clamping and loading mechanism: the clamping and loading mechanism is located on the top of the support plate. This mechanism can clamp the detected feathers and place qualified and unqualified products in their respective positions. By setting up this clamping and loading mechanism, this utility model can clamp and load qualified or unqualified feathers, placing them separately in corresponding boxes. This meets the needs of large-scale production, preventing negligence or misjudgment, improving the arch detection and classification effect, and enhancing product quality.

The invention discloses a method for regulating and controlling crystal phase defects in a direct regeneration process of a waste ternary material, and belongs to the technical field of waste battery recovery. The method comprises the following steps: placing a waste ternary material with lattice defects in an oxidizing atmosphere for impurity removal and calcination to obtain a decarbonized and defluorinated waste ternary material; and ball-milling and mixing the decarbonized and defluorinated waste ternary material, a lithium source and a fluorine-free carbon source, and carrying out two-stage pyrogenic process calcination in an oxygen-containing atmosphere to obtain the regenerated ternary material. According to the method, direct regeneration of the waste ternary material is achieved through a solid-phase sintering method under the condition that no miscellaneous elements are introduced, and the regenerated ternary material is excellent in electrochemical performance and can be compared favorably with a commercial ternary positive electrode material.

The utility model discloses a modularization easy maintenance electric energy meter belongs to the electric energy meter technical field, the electric energy meter comprises a support seat, a metering module, a communication module, a display module and a connecting assembly, one side of the support seat is hinged with a protective cover, one side of the support seat is fixedly provided with a connecting seat, the top end of the connecting seat is provided with a plurality of installing grooves, and the installing grooves are connected with the connecting seat. The metering module, the communication module and the display module are slidably mounted in the corresponding mounting grooves, and the connecting assembly is composed of first connecting parts arranged at the bottom ends of the inner walls of the mounting grooves and second connecting parts arranged at the bottom ends of the metering module, the communication module and the display module. And the first connecting part and the second connecting part are inserted and electrically connected. The electric energy meter is convenient to maintain and flexible in function.

The invention discloses a carbon ceramic closing resistor for a high-voltage circuit breaker and a preparation method of the carbon ceramic closing resistor, and belongs to the technical field of power elements. The problems of poor resistor compactness, non-uniform performance, insufficient mechanical property and the like caused by high pressing and sintering difficulty, process instability and high and non-uniform resistor porosity of the carbon ceramic resistor are solved. The preparation process of the resistor comprises the following steps: by taking aluminum oxide and quartz as ceramic phases, presintered kaolin, mullite and potassium feldspar as clay phases and carbon black or graphite as conductive phases, pre-coating the ceramic phases with the clay phases, carrying out vacuum calcination on pre-coated powder, mixing the pre-coated powder with the secondarily added clay phases and the conductive phases, carrying out spray granulation, pressing a green body, sintering and spraying. And obtaining the carbon ceramic closing resistor. According to the invention, the kaolin is pre-sintered, and the clay phase is pre-coated with the ceramic phase, so that the subsequent blank pressing uniformity and density are increased, the structural defects of the carbon ceramic resistor are reduced, and in combination with the spark plasma sintering technology, the batch rapid production of the resistor can be realized.

The application discloses a preparation method of a pure-phase 2D perovskite passivation layer and application thereof. The method for preparing the single-n-value two-dimensional perovskite passivation layer is characterized in that: a passivation molecule is directly reacted on the surface of a perovskite absorption layer by a hot-pressing method to generate a single-n-value two-dimensional perovskite, which can effectively passivate defects on the surface and at the grain boundary of the perovskite, reduce non-complex radiation centers of the perovskite thin film, adjust the energy level of a solar cell, and further improve the photoelectric conversion efficiency of the solar cell; on the other hand, the perovskite thin film after passivation can inhibit ion migration, thereby effectively improving the stability of the solar cell. The perovskite thin film passivation method is simple in operation, can be produced on a large scale, and can effectively avoid the disadvantages caused by a solvent method. The method can also process large-area perovskite thin films, thereby providing a new strategy for preparation of a perovskite module.

This utility model discloses a high-efficiency lamination device for transformer cores, including a mounting plate. A gasket assembly is mounted on the outer surface of the mounting plate. The gasket assembly includes a groove and a U-shaped plate. The groove is formed on the outer surface of the mounting plate, and a set of rotating rollers is installed inside the groove. The bottom surface of the U-shaped plate is fixedly connected to the upper surface of the mounting plate. Two sliding rods are slidably connected to the outer surface of the U-shaped plate, and a limit plate is fixedly connected to the end of each sliding rod that is close to each other. This high-efficiency lamination device for transformer cores, through the coordinated arrangement of the mounting plate and the gasket assembly, achieves automated lamination operation, thereby improving lamination efficiency, meeting the needs of large-scale production, ensuring the quality of subsequent gaskets, and preventing problems such as lamination misalignment and uneven gaps, thus not affecting the performance and service life of the transformer.

The utility model relates to the technical field of cubilose processing, and particularly discloses a cubilose impurity removal and fine picking device which comprises a machine table, a tool tray is arranged at the upper end of the machine table, a movable arm is arranged above the tool tray, and an assembly clamp and an optical assembly are arranged at the bottom of the movable arm; the hair picking device is arranged at the lower end of the assembling clamp in a pluggable mode, the brush withdrawing plate is fixedly arranged at the upper end of the machine table, a recycling box used for collecting waste hair and the hair picking device is arranged below the brush withdrawing plate, and a brush withdrawing assembly and a miscellaneous hair cleaning mechanism are arranged on the brush withdrawing plate; and the brush handle preassembling mechanism is arranged at the upper end of the machine table. The hair picking device is moved to the brush withdrawing plate through the positioning mechanism, the brush withdrawing plate cleans waste hair on the hair picking device through the miscellaneous hair cleaning mechanism, the hair curling efficiency of the hair picking device is improved, meanwhile, the brush withdrawing assembly on the containing groove can be used for conducting brush withdrawing, the brush handle preassembling mechanism is used for replacing the hair picking device, and the self-replacement design is achieved; and the equipment can be put into production in batches.

The present application relates to the field of bioengineering, and particularly relates to a mutant of mu-conotoxin and a preparation method and an enzyme composition thereof.The present application provides a mutant of mu-conotoxin, which has an amino acid sequence as shown in SEQ ID NO:1, or an amino acid sequence obtained by substituting, deleting or adding one or more amino acids in the amino acid sequence, and an amino acid sequence which is functionally identical or similar to the amino acid sequence, or an amino acid sequence which is at least 80% identical to the amino acid sequence.The technical route and process provided by the present application greatly improve the production efficiency and quality of mu-conotoxin, are suitable for industrial large-scale production, and have a wide application prospect.