25results about How to "Efficient production process" patented technology

The invention discloses roughness detection equipment and a detection method for aero-engine blade machining, and relates to the technical field of engine blade detection.The roughness detection equipment comprises an equipment shell, a double-station table is arranged in the equipment shell, two movable discs are symmetrically arranged at the top of the double-station table, the positions of the two movable discs can be switched, and the two movable discs are arranged in the equipment shell; a plurality of clamping assemblies and a plurality of workpieces are annularly arranged at the top of the movable disc, and the plurality of clamping assemblies can work simultaneously to clamp the corresponding workpieces, so that the problem that a plurality of fastening knobs need to be manually rotated by a worker in an existing roughness detection device, and the detection period of each round of workpieces can be remarkably prolonged through existing operation steps is solved.

The invention discloses a porcine rotavirus RNA vaccine and a preparation method thereof. According to the invention, amino acid sequences and nucleotide sequences of G9 type and G4 type VP4 proteins of porcine rotaviruses are optimized, and optimized translation starting elements are used, so that optimized RNA molecules with nucleotide sequences shown as SEQ ID NO.18 and SEQ ID NO.24 are finally prepared. The optimized RNA has higher immunogenicity in a mouse body. Furthermore, the porcine rotavirus RNA vaccine provided by the invention comprises a vaccine vector and the optimized RNA molecule. The porcine rotavirus G9-G4 type bivalent RNA vaccine disclosed by the invention is superior to a porcine rotavirus inactivated vaccine in the aspect of immune protection efficacy in a pig body.

The invention relates to the technical field of insulated wires, in particular to a three-layer wrapping type insulated wire and a production process thereof, and aims to solve the problems that an existing insulated wire is insufficient in insulation performance in high-end application and a multi-layer film wrapping wire production process is tedious. Uniform and tight wrapping of the three insulating layers is achieved through the three-station wrapping machine, the conductor is preferably made of monofilament tinned copper or monofilament enameled stranded wires, the three insulating layers are transparent PPS / PET adhesive tape, pink PPS / PET adhesive tape and transparent PPS / PET adhesive tape respectively, the total thickness ranges from 18 micrometers to 25 micrometers, and any two layers can bear pulse high voltage not smaller than 3 KV. The production process comprises the steps of raw material detection, paying-off and conveying, rubber coating operation (including tension adjustment), heating treatment, strict inspection, wire storage, meter counting and the like. Wherein the rubber coating operation adopts an S-direction / Z-direction alternate winding mode, the heating treatment temperature is flexibly adjusted according to the specification and the wire speed of the insulated wire, and the three-layer lapped insulated wire has excellent insulating performance and application prospects.

The invention discloses a battery fiber of an ultraviolet curing electrolyte as well as a preparation method and application of the battery fiber. The battery fiber comprises an electrode fiber core, a gel electrolyte layer and a polymer encapsulation layer from inside to outside. The electrode fiber core is formed by twisting and compounding a positive electrode fiber and a negative electrode fiber; the gel electrolyte layer is formed by curing a precursor containing a photocuring monomer, a photoinitiator, a linear polymer and a lithium salt through ultraviolet irradiation. According to the preparation method, a stable gel electrolyte layer is rapidly constructed on the surface of the fiber at normal temperature through an ultraviolet curing technology, so that the potential safety hazard that a traditional liquid electrolyte is easy to leak is solved, an electrode-electrolyte interface is also remarkably optimized, and the interface impedance is reduced. The obtained battery fiber has excellent flexibility, high safety and good electrochemical performance, the slender one-dimensional form of the battery fiber can be directly woven into an intelligent fabric through a textile technology, and an ideal flexible embedded power supply solution is provided for wearable electronic equipment.

The utility model relates to the technical field of winding equipment, and discloses a winding device for a carbon-coated aluminum foil, which comprises a base, a winding device and a winding device, the deviation rectifying mechanism is arranged at the top end of the base; the deviation rectifying mechanism comprises a fixing frame, the bottom end of the fixing frame is fixedly connected with the top end of the base, a driving motor is fixedly installed on the fixing frame, and an output shaft of the driving motor is fixedly connected with a screw in a sleeved mode. According to the winding device for the carbon-coated aluminum foil, due to the design of the deviation rectifying mechanism, the defects in the prior art are effectively overcome, the guide plate can be flexibly adjusted according to the size specification of the carbon-coated aluminum foil, the winding device can be matched with both narrow-width aluminum foil and wide-width aluminum foil, the application range of the winding device in diversified production scenes is greatly expanded, and the winding device is suitable for popularization and application. And the aluminum foil is effectively prevented from deviating, wrinkling and the like in the winding process, the winding quality is greatly improved, and then the performance and production efficiency of the lithium ion battery are guaranteed.

This utility model discloses a terminal crimping mold, including a supporting base block. An outer mounting ring is horizontally fixedly connected to the outer side of the supporting base block. The top surface of the outer mounting ring has evenly distributed fixing through holes. A top horizontal groove is horizontally formed on the top surface of the supporting base block. A clamping motor is fixedly mounted on the outer side of the supporting base block. A clamping top plate is symmetrically snapped onto the top surface of the supporting base block. A supporting bottom mold is horizontally connected to the top surface of the supporting base block. This design effectively resists the reaction force generated by pressure, preventing the mold from shaking or shifting, ensuring smooth crimping operations, and improving production safety and reliability. The clamping motor and end cylinder can quickly and accurately complete the clamping and crimping actions, greatly shortening the time of each crimping cycle. Operators only need to perform simple terminal and wire placement and finished product removal operations, reducing manual intervention and operation time, and achieving a highly efficient production process.

The invention discloses a full-automatic feeding wear-resistant steel ball equal-length cutting device, and belongs to the technical field of wear-resistant steel ball production device.The full-automatic feeding wear-resistant steel ball equal-length cutting device comprises a bottom plate, a material plate is arranged at the upper end of the bottom plate, a fixing base is arranged on one side of the material plate and fixedly connected with the bottom plate, and a feeding table is arranged above the material plate; a receiving and feeding mechanism is arranged on one side of the feeding table, a limiting and pushing mechanism is arranged below the fixing base, and an abrasive wheel cutting machine is arranged at the rear end of the bottom plate and composed of a driving motor, a protective cover, a handle and a cutting abrasive wheel. According to the full-automatic feeding equal-length cutting device for the wear-resistant steel balls, a first motor is started to drive a rotating shaft to transmit, then a rotating roller and a gear are driven to rotate, and a material receiving groove can accurately receive round steel bars rolling down from an inclined plate and smoothly feed the round steel bars into a round groove of a material plate. In the process, manual operation is reduced, it is ensured that the round steel bars are accurately fed into the material plate according to the sequence and requirements, and the automation degree of the feeding process is improved.

The invention belongs to the technical field of biology, particularly relates to a fusion protein-based tuberculosis subunit vaccine and a preparation method thereof, and relates to two tuberculosis subunit vaccines and a preparation method thereof, and each vaccine comprises a fusion protein. The preparation method comprises the following steps: recombining MPT6461-170, Rv2660c and Rv264521-80 genes into a prokaryotic expression vector through a gene engineering technology to obtain a fusion protein LT30; the Rv2645 and Rv2660c genes are recombined into a prokaryotic expression vector to obtain the fusion protein LT25. The two fusion proteins are massively expressed in a prokaryotic expression system and are purified by gel filtration chromatography, and plasmid retention rate and large-scale preparation research are carried out. The LT30 and the LT25 respectively form subunit vaccines with DP (adjuvant), and tuberculosis antigen specific cellular immune response is effectively induced in a mouse body. Particularly, LT25 / DP can improve the protective effect of mice against mycobacterium tuberculosis H37Ra infection, and is expected to become a novel tuberculosis subunit vaccine.

The invention relates to a high-carbon olefin hydroformylation continuous cycle process and system, the method comprises the following steps: mixing a catalyst aqueous solution and olefin to obtain a first mixture, the catalyst aqueous solution comprising a rhodium catalyst, a ligand and an aqueous solution of N-methyl pyrrolidone; under the first synthesis gas pressure, the first mixture is subjected to a hydroformylation reaction, and a first reaction solution is obtained; performing phase splitting on the first reaction liquid to obtain a first water phase containing a catalyst water solution and a first organic phase containing crude aldehyde; the first water phase returns to the first mixture for continuous reaction, and the first organic phase is treated to obtain a hydroformylation reaction product. According to the present invention, the aqueous solution of N-methyl pyrrolidone is adopted as the solvent, such that the hydroformylation reaction rate of the long-chain olefin can be improved, the reaction condition is milder, the catalyst phase and the product phase can be well separated after the hydroformylation reaction is completed, and the separated catalyst aqueous solution can be fed into the hydroformylation reaction again so as to achieve the long-chain olefin hydroformylation reaction. And the reaction cost is effectively reduced.

The invention discloses a production method for co-producing thionocarbamate and mercaptoethanol by using ethylene oxide as a raw material, which comprises the following steps: dissolving a proper amount of xanthate with a structure as shown in a formula I in pure water to prepare a xanthate aqueous solution with the concentration of 5-30%; ethylene oxide with the structure as shown in the formula II is introduced into the xanthate aqueous solution for a reaction, and a xanthate ethanol ester intermediate with the structure as shown in the formula III is obtained; carrying out heating reaction on the xanthic acid ethanol ester intermediate and fatty amine to obtain a mixture of thionocarbamate as shown in a formula IV and mercaptoethanol as shown in a formula V; and separating the thionocarbamate and mercaptoethanol mixture to obtain pure thionocarbamate and mercaptoethanol respectively. According to the method, ethylene oxide is used as a reaction raw material, water is selected as a solvent, no catalyst is needed, the reaction is more environmentally friendly and energy-saving, the reaction rate is high, the conversion efficiency is high, less waste liquid is generated, and the simplified production process can co-produce mercaptoethanol industrial raw materials while producing thionocarbamate flotation reagents.

The utility model belongs to the technical field of gas cylinder filling, and particularly relates to an octafluorocyclobutane steel cylinder drying, replacing and filling integrated system. Comprising an octafluorocyclobutane steel cylinder, and a steel cylinder control valve is arranged on an outlet pipeline of the octafluorocyclobutane steel cylinder; the other end of the steel cylinder control valve is respectively connected with a filling pipeline, a sampling detection pipeline and a vacuum replacement pipeline; the filling pipeline, the sampling detection pipeline and the vacuum replacement pipeline are respectively provided with a filling control valve, a sampling control valve and a vacuumizing control valve; a double-clip type heating module is arranged outside a cylinder body of the octafluorocyclobutane steel cylinder, and an electronic scale is arranged at the bottom of the octafluorocyclobutane steel cylinder; a control system is further included. Seamless connection from gas cylinder drying, replacing to filling is achieved through whole-process automatic operation, the labor intensity of workers is reduced, production benefits are improved, the number of times of disassembly is reduced, the risk of cylinder valve damage is reduced, and the service life of the gas cylinder is prolonged.

The invention belongs to the technical field of organic chemical synthesis, and relates to a method for recycling a compound, in particular to a method for recycling 2, 6-dichloroacetophenone. The invention relates to a method for recycling 2, 6-dichloroacetophenone, which comprises the following steps: taking waste containing 2, 6-dichloroacetophenone as a raw material, and reacting in the presence of a catalyst and inorganic alkali to generate m-dichlorobenzene. According to the method, the dichloroacetophenone waste is used as the raw material to recover the m-dichlorobenzene serving as the dichloroacetophenone synthesis raw material, equipment required by the process is conventional equipment, other solvents are not involved in the reaction, normal-pressure reaction is adopted in the process, the reaction temperature is lower, the process path is shorter, the operation is simple, the safety is high, waste resources are recycled, and the method is suitable for industrial production. The environmental pollution is effectively reduced, and the raw material consumption of the dichloroacetophenone production process is remarkably reduced.

The invention belongs to the technical field of sugar alcohol compositions, and particularly relates to a sugar alcohol composition containing lutein ester and a preparation method of the sugar alcohol composition. The sugar alcohol composition containing the lutein ester is prepared from the following components: 1.2 to 4.5 parts of gelatin, 30 to 36 parts of crystalline sugar alcohol, 38.6 to 44.2 parts of non-crystalline sugar alcohol, 2 to 6 parts of non-reducing sugar, 1 to 2 parts of glycerol, 1 to 2.3 parts of an emulsifier, 4 to 10 parts of grease, 0.2 to 0.6 part of lutein ester powder, 4 to 8 parts of sugar-free blueberry powder, 0.07 to 1.45 parts of an acidity regulator, 0.6 to 1.1 parts of blueberry essence powder, 2 to 4 parts of concentrated blueberry juice and 49.2 to 57.4 parts of water. The preparation method comprises the following steps: respectively preparing a gelatin solution, a mixture A, a mixture B, a mixture C and syrup for later use; and adding a gelatin solution into the syrup, stirring, sequentially adding the mixture A, the mixture B, the mixture C and the sugar-free blueberry powder, uniformly stirring, cooling, and finally preparing the sugar alcohol composition containing the lutein ester. According to the sugar alcohol composition, the sugar alcohol and other raw materials are reasonably selected and proportioned, and the problems that an existing sugar alcohol composition is not easy to form and prone to water loss, hardening and discoloring are solved.

The invention relates to the technical field of visual inspection, in particular to a visual inspection method for an automatic connector assembly production line, and the method comprises the steps: collecting a to-be-detected connector image and a standard connector image; respectively segmenting the to-be-tested connector image and the standard connector image, and extracting all connected domains in the to-be-tested connector image and the standard connector image; calculating the form conformity of each connected domain, determining the discrimination coefficient of each connected domain, and obtaining each target connected domain in the to-be-detected connector image and the standard connector image; obtaining the length anomaly degree of any target connected domain; calculating the spacing deviation of any target connected domain, and determining the spacing anomaly of any target connected domain; acquiring a connected abnormal set; and calculating an abnormal evaluation index of the to-be-tested connector image, and evaluating the quality of the connector. According to the invention, the defect detection of the contact pin in the connector can be improved, and the quality detection precision of the connector is improved.

The invention discloses an XPE foam material and a processing technology thereof. The processing technology comprises the following steps: 1, uniformly mixing polyethylene, a cross-linking agent, a foaming agent, an auxiliary agent and a filler according to a ratio in claim 1; 2, carrying out preliminary mixing at room temperature through mechanical stirring or by using a high-shear mixer; 3, heating the mixture to 120-200 DEG C, and carrying out melt extrusion; 4, in the melt extrusion process, the constant extrusion speed and pressure are kept, it is ensured that the mixture evenly flows out, and meanwhile a mold is used for forming the molten material into the needed foam shape; 5, the extruded foaming material is cooled to the room temperature, the obtained XPE foaming material has the good tensile strength (0.3-1.5 MPa) and compressive strength (0.5-2.0 MPa) through the polyethylene, the cross-linking agent and the filler which are reasonably proportioned, and therefore the material is suitable for the industries of buildings, automobiles, packaging and the like, and the requirements of the materials for the strength and toughness of the material are met.

The invention provides an automatic film roll packaging production line which comprises a film roll packaging preparation area for packaging film rolls and a film roll stacking and packaging area which is adjacent to the film roll packaging preparation area and used for packaging the film rolls, and the film roll stacking and packaging area can conduct single-layer or double-layer stacking on the film rolls. The film roll stacking and packaging area is provided with the stacking mechanism, the first conveying belt, the second conveying belt, the third conveying belt, the first transferring device, the second transferring device and the stacking backflow conveying device. The stacking backflow conveying device allows stacked film roll sets to flow back to the stacking mechanism for double-layer stacking, the space utilization rate is remarkably increased, the number of trays and the number of times of transportation are reduced, and therefore the transportation cost and the storage requirement are reduced. The invention further provides a corresponding film roll packaging production process which comprises the steps of paper core labeling, film roll centering, hot melting sealing packaging, end cover buckling, overturning labeling, stacking packaging and the like, the double-layer stacking requirement of the film roll can be met, and the production flexibility and efficiency are improved.

The utility model relates to heat shrinkage packaging technical field, concretely for a kind of multi-specification adaptive heat shrinkage packaging device, including heat shrinkage packaging machine body, the top of heat shrinkage packaging machine body is equipped with film mechanism, the film mechanism includes mounting plate, opening and film roller, the mounting plate is installed in the top of heat shrinkage packaging machine body, the opening is opened in the top of heat shrinkage packaging machine body, the top of mounting plate is equipped with telescopic mechanism and adjusting box, the output end of telescopic mechanism is connected with the adjusting box, adjusting hole is opened on the adjusting box, bidirectional screw rod is equipped on the adjusting hole, the both ends of bidirectional screw rod are equipped with adjusting block, the structure can realize the automatic clamping of film roller and adjusting position, no matter face different size or type of packaging film, can be flexible to deal with, satisfy the diversified packaging demand, increase the versatility and flexibility of equipment.

This utility model relates to the field of blown film machine support technology, specifically an easily adjustable blown film machine support, including a control box, an L-shaped frame, a guiding mechanism, a cutting mechanism, a stabilizing winding mechanism, an auxiliary cutting edge winding mechanism, and an adjustment mechanism. The L-shaped frame is mounted on one end of the control box. A turntable is rotatably mounted on the side wall of the control box near the L-shaped frame. Activating the adjustment mechanism causes the turntable to rotate counterclockwise, adjusting the second set of winding rollers to the winding position. Then, the film is cut by the cutting mechanism. Simultaneously, the auxiliary cutting edge winding mechanism adheres the cut film to the outer wall of the second set of winding rollers. The stabilizing winding mechanism supports the end of the winding roller at the winding position, preventing the winding roller from shifting during winding. Repeating the above winding process enables continuous production, avoiding the cumbersome operation of manually disassembling and installing components to adjust the position required by traditional supports, thus saving significant operating time and labor costs.

The utility model discloses an artificial auxiliary cutti machine relates to cutti machine technical field, including cutti machine main part, the inside of cutti machine main part is provided with and arranges the adjusting assembly, and arranges the adjusting assembly for the speed and flow of material discharge control, arranges the adjusting assembly and includes the discharge chute that sets up in the inside of cutti machine main part, and the top of discharge chute is connected with the even arrangement of electric push rod, and the top of electric push rod is connected with the discharge plate through the movable shaft, and is connected through silica gel connecting piece between two groups of adjacent discharge plate, and the discharge plate is connected through the hinge with cutti machine main part. The utility model discloses a discharge adjusting assembly is arranged in the inside of cutti machine main part, namely utilizes the electric push rod of even arrangement of discharge chute top and drives the discharge plate action, realizes the effect that the speed and flow of material discharge control, can solve the problem that the existing cutti machine cannot flexibly adjust the speed and flow of material discharge in the process of discharging, leads to material accumulation or the problem of unsmooth discharge.

The application discloses a kind of computer shell efficient production process.The method includes the following steps: S1, modularization preparation: according to production instruction, corresponding type of metal plate or plastic granules is automatically selected and transported to pretreatment station;S2, intensive forming: the raw material after pretreatment is sent into composite machining center, by being integrated in the same station punching forming and laser cutting module, or injection molding and in-mold cutting gate module, once the structure forming of shell blank and excess material separation is completed;S3, closed-loop post-processing: shell blank is transferred to intelligent post-processing unit;S4, coating rapid curing;S5, online intelligent detection and stacking.The application significantly improves production efficiency and shortens cycle, improves product precision and yield, greatly reduces energy consumption and floor area, improves production flexibility and intelligent level, improves environmental friendliness, reduces VOCs emission.

The invention relates to the field of bioengineering, and discloses a process for producing 3 '-sialic acid lactose by fermentation, which comprises the following steps: solution preparation, strain recovery, fermentation initial culture, first induction, multi-stage material supplementation, second induction and fermentation later control. The method comprises the following steps: optimizing a culture medium formula (taking cane sugar and phosphate as main materials and avoiding a high-cost mixed carbon source), performing staged induction conditions (taking an optical density (OD) value of fermentation liquor as a trigger signal) and accurately controlling a material supplementing speed; according to the method, the final yield of 3 '-SL is remarkably increased and reaches 42-45g per liter of fermentation liquor, and the content of byproducts such as lactose and sialic acid is effectively reduced to be within 1%-2%. Compared with the prior art, by optimizing the metabolism flow direction of the strain and simplifying the fermentation process flow, the production cost is remarkably reduced, meanwhile, the fermentation period is shortened, and the problems of low fermentation efficiency, many byproducts and high process complexity in the prior art are solved.

This utility model relates to the field of automated shoemaking technology, specifically a fully automated shoemaking system, including a rotary conveyor mechanism, a shoe last fixture, a shoe last fixing and locking mechanism, a shoe upper roughening mechanism, a chemical spraying mechanism, a first glue application mechanism, a second glue application mechanism, a glue rolling mechanism, and a transfer mechanism. The rotary conveyor mechanism is used for the cyclical transport of the shoe last fixture, allowing it to sequentially pass through the shoe upper roughening mechanism, the chemical spraying mechanism, the first glue application mechanism, the second glue application mechanism, and the glue rolling mechanism. The shoe last fixing and locking mechanism is located at the inlet end of the rotary conveyor mechanism for locking and fixing the shoe last fixture. The shoe upper roughening mechanism, the chemical spraying mechanism, the first glue application mechanism, the second glue application mechanism, and the glue rolling mechanism are all equipped with transfer mechanisms that connect to the rotary conveyor mechanism for transferring the shoe last fixture. This utility model achieves high efficiency, high quality, and stable shoemaking production through an efficient production process, precise process handling, and a high degree of automation.

The invention discloses a polycarbonate diol post-treatment method which comprises the following steps: S1, mixing polycarbonate diol with dilute acid to fully hydrolyze a titanium catalyst; s2, mixing the polycarbonate diol mixed with dilute acid with water, and feeding the mixture into a coalescer for oil-water separation; s3, the Ti content of polycarbonate diol prepared after the oil phase is dehydrated and dried is 1t; the total amount of free alcohol is 1t; in addition, the odor is obviously reduced. The polycarbonate diol prepared by the treatment method has the advantages of low catalyst residue, low free alcohol residue, low odor and the like, and has industrial feasibility.

The sand screening device with the multi-stage screening function for building construction comprises a bearing frame, a screening shell is flexibly connected to the bearing frame, a plurality of screening plates distributed in a stacked mode in the vertical direction are fixed in an inner cavity of the screening shell, the screening plates are obliquely arranged, and a material uniformizing assembly for dynamically adjusting the thickness of sand on the corresponding screening plates is arranged. The material uniformizing assembly is arranged on the surface of the screening plate on the uppermost layer, and the material uniformizing assembly and the screening plate are arranged in parallel. The material uniformizing assembly comprises two transmission rollers and a conveying belt wrapping the surfaces of the two transmission rollers, a rectangular face formed by supporting of the two transmission rollers is parallel to the corresponding screening plate, and a plurality of sand combing parts distributed at equal intervals are fixed to the surface of the conveying belt. According to the material uniformizing assembly, the sand and stones fed for the first time are evenly distributed, the screening efficiency and accuracy are improved, the problems of material accumulation, equipment abrasion, screen mesh blockage and the like are solved, the screening process is optimized, and the service life of equipment is prolonged.

The invention discloses a method for detecting fresh substances of umami peptides, which comprises the following steps: S1, sample preparation: preparing oysters by a cooking method and an enzymolysis method to prepare a sample solution; s2, polypeptide identification: analyzing the sample solutions obtained by the cooking method and the enzymolysis method through an LC-MS / MS system provided with an online nanospraying ion source to obtain a tandem mass spectrum, and analyzing the tandem mass spectrum to respectively obtain total polypeptides obtained by the cooking method and the enzymolysis method; s3, umami peptide screening: performing preliminary screening on the total polypeptides, performing secondary screening by using the umami peptide classification prediction model, and determining umami peptides of a cooking method and an enzymolysis method; and S4, comparing the screened oyster umami peptides with total polypeptides obtained by a cooking method and an enzymolysis method, analyzing precursor proteins with large umami peptide difference between the umami peptides obtained by the cooking method and the umami peptides obtained by the cooking method, and carrying out hydrolysis difference analysis. According to the method, the umami peptide can be accurately detected, and differentiation analysis can be carried out on umami peptide preparation methods of different processes.