2491 results about "Manufactured material" patented technology

The invention provides a precision injection mold accessory production quality traceability management method and system, and relates to the technical field of intelligent manufacturing, and the method comprises the steps: collecting material, process, equipment and environment data in real time through a distributed sensor; fusing multi-source data based on dynamic material characteristic parameters and process stability indexes, and quantifying melt flow and process fluctuation characteristics; constructing a mixed kernel function anomaly detection model to identify quality deviation; establishing a cross-process association map to reveal the space-time relationship among the raw materials, the process and the finished product; generating a three-dimensional traceability identifier containing the material hash, the process compression code and the block chain address; a block chain enhanced database is adopted to realize tamper-proof storage; and generating a visual traceability report through reverse analysis. Through dynamic modeling, cross-process association and block chain technologies, the problems of data isolation, detection lag and low traceability credibility in a traditional method are solved, the quality traceability efficiency and precision are remarkably improved, and precise injection molding full life cycle management is supported.

The invention relates to the technical field of process optimization, and discloses an optimization method and system for a graphite sagger compression molding process. The method comprises the following steps: determining and analyzing particle size distribution, specific surface area, porosity and viscosity-temperature characteristics of graphite powder and a binder to obtain raw material characteristic parameter data; modeling is conducted on the migration behavior of the binder and the deformation characteristic of the graphite powder in the pressing process, a material rheological model is obtained, meanwhile, a multi-point pressure sensor system is arranged on the surface of a pressing mold, and target pressure data are collected; constructing a pressure distribution feature vector and a material flow state prediction result; performing adaptive adjustment on the initial pressing parameters to obtain a segmented pressure curve and a local pressure compensation strategy; and performing multi-objective optimization on the graphite sagger pressing path to obtain an optimal pressing process parameter combination. The method is combined with material flow state prediction, accurate control over the pressing process is achieved, and the intelligent level of the graphite sagger pressing forming technology is improved.

To provide a seat pad capable of appropriately integrally molding a flow path lid and a duct with a pad body while suppressing leakage of a foaming raw material and to provide a mold for the seat pad.SOLUTION: The seat pad includes a pad body having a recessed ventilation passage 14, a planar duct 30 forming an inner peripheral wall of the ventilation passage 14, and a planar flow passage lid 20 covering the ventilation passage 14. The duct 30 and the flow passage lid 20 are molded in a predetermined shape in advance, and are foam-molded integrally with the pad main body. The flow passage lid 20 is set on a back surface side forming surface 5a in an overlapped state, and has a lid bending part 24 bent to the sheet surface side so as to form a recess capable of receiving a bank part 5b projecting from the back surface side forming surface 5a in its peripheral edge part 23. The duct 30 has a seat surface part 34 extending along a region deviated from the ventilation passage 14. The seat surface part 34 is applied to the projecting tip of the lid bent part 24 so as to form a first gap S1 into which the foaming material flows to the flow passage lid 20.SELECTED DRAWING: Figure 12

The invention discloses a security camera lens production process dynamic multi-parameter process monitoring method, and relates to the technical field of multi-parameter process monitoring. The method comprises the following steps: collecting process parameters and waviness characteristic data; collecting optical characteristics and physical response data of security camera lens raw materials; discretizing the data, and generating raw material standard data according to material types and performance; collecting real-time polishing data, and calculating to obtain a polishing deviation factor vector; calculating a weight through an entropy weight method to obtain a polishing alarm correction index, giving an alarm and adjusting polishing parameters when the polishing alarm correction index exceeds a threshold value, and obtaining corrected geometric feature data; the method comprises the following steps: collecting data in a coating stage, obtaining coating material response and processing environment data through a two-dimensional feature extraction method, and respectively calculating a material response deviation index and a processing environment disturbance index; and combining the two indexes to obtain the comprehensive deviation index of the coating process. According to the comprehensive deviation index of the coating process, the production process of the security camera lens is monitored in real time.

The invention relates to the technical field of control systems, in particular to a production process optimization control system and method for a heat shrink film. The method comprises the following steps: obtaining resin characteristic parameters of a heat shrink film raw material, and constructing an initial digital twinborn model by using the resin characteristic parameters; acquiring real-time production data, and updating the initial digital twinborn model by using the real-time production data to obtain a complete digital twinborn model; and performing melt ultrasonic-assisted homogenization and two-way stretching process simulation based on the digital twin model, and performing optimization analysis by using a simulation result to generate optimized process parameters. By constructing and updating the digital twinborn model, the melt uniformity and process parameter optimization are accurately controlled, the quality consistency and stability of the thermal shrinkage film are improved, and the product is ensured to meet the mechanical, optical and thermal shrinkage performance requirements.

The invention relates to the technical field of aluminum material forging and pressing, in particular to an aluminum material forging and pressing forming device which comprises a forging and pressing base, a forging and pressing frame is fixedly connected to the top of the forging and pressing base, and a longitudinal adjusting mechanism is fixedly connected to the top of the forging and pressing base; the top of the forging base is fixedly connected with a forging die; the top of the inner wall of the forging frame is fixedly connected with a forging plate; a forging aluminum material is arranged on the inner wall of the forging die; in view of the fact that the aluminum material cannot be accurately placed in the dead center of a die during forging and pressing, if the aluminum material is relatively close to the edge of the die when being placed, the aluminum material cannot completely fill the die, the quality of a produced product is influenced, and in order to avoid the situation that the aluminum material cannot be filled into the die, the aluminum material usually needs to have enough redundancy, so that the production cost is reduced. Due to the fact that whether the aluminum material is located in the center of a die or not cannot be accurately judged, the aluminum material with large redundancy is used during forging and pressing each time, and a large number of raw materials are wasted when the aluminum material is located in the center of the die.

The invention provides a composite material with excellent heat insulation performance, which relates to the field of fireproof heat insulation structures, and sequentially comprises a fireproof layer, a transition layer, a first protection layer, a first heat insulation layer, a second heat insulation layer and a second protection layer, wherein the fireproof layer adopts an intumescent fireproof coating, the transition layer adopts a primer, the first protection layer and the second protection layer adopt metal titanium foils, the first heat insulation layer adopts an aerogel felt, the second heat insulation layer adopts a phase change material, the phase change material is formed by compounding a phase change raw material and a base material, and the phase change raw material is microcapsules. A packaging material of the microcapsule is a mixture of melamine, formaldehyde and urea, and a phase change inner core of the microcapsule is paraffin; the base material is epoxy resin. The composite material not only has the characteristics of excellent fireproof and heat-insulating performance, thin thickness, light weight, good long-term stability and the like, but also has the advantages of simple structure, convenience in installation, wide application range and the like.

The invention discloses a laser cladding preparation method for improving the wear resistance of a cladding layer by doping tungsten carbide. According to the method, cladding process parameters are preliminarily obtained based on finite element heat flow analogue simulation, cladding layer preparation is carried out, cladding quality characterization is carried out to obtain the optimal cladding process parameters, and finally the cladding layer with the wear-resistant characteristic is obtained. The method comprises the following steps: firstly, constructing a heat flow coupling three-dimensional model, carrying out grid division, establishing a heat source model, defining thermophysical parameters of tungsten carbide (10-15%) nickel alloy composite powder and a matrix, and determining simulated boundary conditions; setting a multi-factor process parameter combination to carry out numerical simulation calculation, and determining laser processing process parameters of laser power, scanning speed and light spot diameter; preparing a cladding layer on the surface of the nodular cast iron by using tungsten carbide (10-15%) nickel alloy composite powder through a laser cladding method; and carrying out microscopic morphology and microhardness experiments to carry out quality analysis verification on the cladding layer, determining the optimal process parameters of laser power, scanning speed and light spot diameter when the cladding layer has no obvious defect morphology and the hardness is higher than that of the raw material, and obtaining the laser cladding preparation method for improving the wear resistance of the cladding layer by doping tungsten carbide. The invention provides a new research method and a high-quality preparation approach for improving the wear resistance of the cladding layer by tungsten carbide, and can be widely applied to the fields of strengthening and repairing mining machinery, aerospace parts and the like.

The invention discloses a neodymium iron boron magnet with a protective film and a manufacturing method thereof, and the manufacturing method specifically comprises the following steps: S1, pretreating a plurality of raw materials to ensure the purity and cleanliness of the raw materials; s2, the pretreated materials are mixed in proportion and smelted to prepare uniform neodymium-iron-boron alloy; s3, the smelted alloy is crushed, and particle powder meeting the requirement is prepared through jet mill equipment; s4, the powder is put into a mold, forming orientation is conducted through a magnetic field press, and the maximum residual magnetism is obtained; s5, performing high-temperature sintering on the molded magnet to improve the density and the magnetic performance of the molded magnet; s6, the sintered magnet is machined, and the needed size and shape are obtained; s7, carrying out pretreatment on the surface of the magnet, and carrying out aftertreatment after chemical nickel plating to ensure the quality of a plating layer; according to the method, the surface of the neodymium-iron-boron magnet is coated with a high-phosphorus chemical nickel layer in a plating mode, the magnet can be effectively prevented from being corroded by the external environment, and the service life of the magnet is prolonged.

The invention relates to the technical field of glass production, and provides a building glass production method, system and equipment, and the method comprises the steps: obtaining historical production information data sets of a plurality of different batches of building glass of the same type; constructing a multi-target dynamic loss function, and constructing a neural network model based on the loss function; training the neural network model according to the historical production information data set; and obtaining basic information of building glass to be produced, inputting the basic information into the neural network model to obtain optimal process control parameters, and producing the building glass according to the optimal process control parameters. According to the method, the robustness of the neural network model is improved, so that the optimal process control parameters matched with the current raw material information and the target performance information of the to-be-produced building glass are obtained, and the intelligent degree and the production benefits are improved.

The invention relates to the technical field of process parameter adjustment, in particular to an intelligent maintenance and management platform for process data of an intelligent manufacturing production line. The platform comprises a raw material attribute data processing module used for acquiring an attribute feature vector of each sample in history, one raw material being a sample, and further acquiring a material attribute difference; the process deviation analysis module is used for acquiring a process deviation value of the two processed samples; the process parameter analysis module is used for acquiring the process parameter difference weight of one process parameter of the two samples, and then establishing a scatter diagram; the conjoint analysis module is used for analyzing the scatter diagram to obtain the quality influence stability of one technological parameter and further obtain the influence degree of the technological parameter; and the process parameter adjusting module is used for updating the reference value according to the influence weight and the reference value of each process parameter of the current sample to obtain the optimal process parameter combination of the current sample. According to the invention, the quality of a processed product can be improved.

The invention relates to the technical field of precision casting, and discloses a high-precision control method for stainless steel castings, which comprises the following steps: preparing raw materials, recording component characteristics of the raw materials, designing a formula proportion of the raw materials, carrying out pouring process design, and setting a parameter control system in each link of pouring, according to the shape of the needed stainless steel casting, mold design and manufacturing and mold quality control are carried out, grinding tool design parameters are recorded, a stainless steel casting solidification process simulation model is established according to raw material component characteristics, a raw material formula proportion, a designed pouring process and the mold design parameters, and the casting solidification process is simulated in the model. The method comprises the following steps: predicting a defect area in a casting production process, carrying out advanced prevention and optimization treatment on the defect area according to the predicted defect area in the casting production process, strengthening a refining degassing operation in a casting process, further carrying out a metal solution purification step after refining degassing, and demolding the casting, and the mold is cleaned, checked and maintained in time.

The utility model provides a pottery clay 3D printing device capable of mixing and conveying raw materials in a fixed proportion, which comprises a rack, a 3D printing device, a 3D printing device and a 3D printing device, wherein the rack comprises an accommodating chamber and a printing chamber which are arranged in an up-down structure; the raw material conveying mechanism comprises a plurality of conveying assemblies arranged above the rack, and the conveying assemblies are used for conveying different raw materials; the mixing and extruding mechanism comprises an extruding assembly which can be transversely and movably arranged in the containing cavity and communicates with the conveying assembly, the extruding assembly comprises a material mixing bin body, a mixing cavity is formed in the material mixing bin body and communicates with the raw material conveying assembly, a stirring assembly is arranged in the mixing cavity, and an extruding head is connected to the lower portion of the material mixing bin body; the printing platform is arranged in the printing cavity in a longitudinal sliding mode and used for bearing 3D printing products, raw materials are directly printed in a printer after being mixed, efficiency can be greatly improved, and the problem that ceramic clay materials are possibly poor in uniformity and stability due to long-term placement or in the transferring process can be solved.

The invention relates to the technical field of electric power conductive parts, in particular to a busbar using a conductive extrusion molding material as a shield, which comprises the following steps: S1, selecting a high-voltage insulating conductive material; s2, raw material pretreatment quality detection; s3, carrying out extrusion molding on the high-voltage insulating layer; s4, extruding and coating the conductive shielding layer; s5, carrying out secondary extrusion molding on the double-layer insulation structure; s6, processing the cutting edge of the busbar; s7, bending and forming the busbar; s8, peeling and punching the busbar; and S9, packaging and quality assurance testing. The 70% high-voltage insulating layer (crosslinked polyethylene) is used for providing the excellent dielectric strength of at least 35 kV / mm, electric shock and short circuit accidents are effectively prevented, safe operation of a power system is ensured, the 30% high-purity copper or aluminum alloy conductive shielding layer achieves the electromagnetic shielding effectiveness larger than or equal to 80 dB, electromagnetic interference (EMI) is remarkably inhibited, and the service life of the cable is prolonged. The influence of electromagnetic noise on surrounding equipment is reduced, and the stability and reliability of the system are improved.

The invention relates to the technical field of supply production management, in particular to a supply production management system and method for a silicon-carbon negative electrode material for a battery, and the method comprises the steps: constructing a performance incidence matrix based on the performance of raw materials and the performance of a silicon-carbon negative electrode material finished product, calculating a supplier capability index, making a purchase plan, and carrying out the stock grading management of the raw materials. Constructing a graded safe inventory model; adjusting a production sequence according to the order priority index, implementing finished product inventory level-to-level management, and setting a target inventory turnover rate; performing performance detection on the raw materials in the production process, calculating the comprehensive quality score of the raw materials, and adjusting the grading safety inventory model; calculating a finished product comprehensive performance score of the finished product batch, and carrying out abnormity identification and warehousing; and calculating the comprehensive association strength between the finished product batches to construct a traceability chain, calculating the contribution degree of the raw material performance to the performance deviation of the abnormal finished product batches, and optimizing the supply production management process. And a more scientific and effective supply production management system is established.

The current collector comprises a bipolar plate, the bipolar plate comprises a disc and a circular ring, the circular ring surrounds the periphery of the disc, one or more alkali liquor inlets are formed in the first end of the circular ring, and one or more alkali liquor outlets are formed in the second end of the circular ring; the flow field material is arranged on the disc, and the flow field material comprises a plurality of expansion metal grid plates which are sequentially arranged at intervals. The manufacturing method comprises the steps that the diameter of a disc is obtained, and the length and the width of each expansion metal grid plate are determined according to the diameter of the disc, the preset number of the expansion metal grid plates and the preset distance between the adjacent expansion metal grid plates; according to the length and the width of each expansion metal grid plate and the edge contour of the corresponding disc, the raw material is cut to obtain a preset number of expansion metal grid plates; and according to the preset position of each expansion metal grid plate on the disc, the expansion metal grid plates are welded to the disc. According to the invention, the uniformity of the alkali liquor distributed on the bipolar plate can be improved.

The invention relates to an additive repairing method for a special-shaped curved surface of a large-size thin-wall component, belongs to the technical field of metal additive manufacturing, and solves the problems of low profile precision, poor aerodynamic layout and difficulty in meeting high-speed flight due to local deformation of the special-shaped curved surface of the large-size thin-wall SLM component. The invention discloses a large-size ultrathin component special-shaped curved surface additive repairing method. The method comprises the following steps that S1, a component profile is scanned and compared with a standard model; s2, polishing the surface of a product repair area; s3, repairing path planning; s4, preparing equipment and raw materials; s5, component laser additive repairing is conducted; s6, detecting a cladding layer; s7, heat treatment of the component; and S8, product detection. And on-demand repair and high-precision shape control of the SLM component in the complex geometrical shape are achieved. Local concave low-stress repair of the large-size thin-wall component is achieved, the method is suitable for large-scale engineering repair manufacturing of the component, and the problem of secondary deformation generated in the repair process of surfacing, traditional laser cladding and other technological methods is effectively solved.

The invention provides a discharging mechanism of laser cutting equipment, and belongs to the technical field of laser cutting equipment.The discharging mechanism comprises a cutting table, a vibration assembly and a cutting assembly, the vibration assembly and the cutting assembly are arranged on the cutting table, a discharging groove and a scrap groove are formed in the outer walls of the two sides of the cutting table respectively, and a sieve plate and a cleaning plate are installed on the inner wall of the cutting table respectively; a conveying assembly is installed on the cutting table and comprises a lug plate, a motor, a conveying wheel, a transmission belt and a nail plate. The conveying belt is matched with the nail plate to directly convey and discharge workpieces after cutting the workpieces, and meanwhile, the conveying belt is matched with the sieve plate and the cleaning plate to separately discharge and collect the workpieces and chippings generated in the cutting process; in this way, the situation that the overall quality is affected due to the fact that the surfaces of the workpieces are scratched by friction and collision in the follow-up transferring process due to mixed collection of the chippings and the workpieces is avoided, meanwhile, the follow-up chippings are separated and recycled in a centralized mode, the chippings can be reused through smelting in the follow-up process, and therefore the cost of raw materials is reduced.

Provided are a lid, a container with the lid, and a combination of the lid and the container, which can prevent contents from leaking from the container with the lid while using a paper-based raw material, and can improve the recyclability. The lid is configured so as to be attachable to a container having an opening and an edge forming the opening, and has a top surface portion that covers the opening when attached to the container. The top surface portion has a paper-based substrate comprising a paper-based material, a penetration portion penetrating the paper-based substrate, a gas-liquid separation material capable of separating a gas in a gas phase and at least a portion of a liquid in the liquid phase from a mixed fluid having the gas phase and the liquid phase, and a thermoplastic coating agent. The gas-liquid separation material has a paper-based air-permeable sheet that includes long fibers and has air permeability, a liquid-repellent agent that imparts liquid repellency to the paper-based air-permeable sheet is disposed on at least one surface of the paper-based air-permeable sheet, and the gas-liquid separation material is disposed so as to cover at least a portion of the penetration portion in a plan view of the paper-based base material, and the gas-liquid separation material is disposed so as to cover at least a portion of the penetration portion in a plan view of the paper-based base material. And the coating agent is used for bonding the gas-liquid separation material and the paper base material.

The invention discloses a method for preparing spherical metal fine powder by using coarse / waste powder through ultrasonic atomization, which comprises the following steps of: (1) collecting coarse / waste powder raw materials for ultrasonic atomization powder preparation, (2) conveying the coarse / waste powder to an electric arc melting area through argon gas flow, and carrying out melting and ultrasonic atomization powder preparation processing; (3) in the powder preparation process, the powder is continuously collected by using argon circulating airflow, so that the continuity of the powder preparation process is ensured; and (4) finally screening the prepared powder in particle size ranges to obtain high-quality spherical fine powder in different particle size ranges. According to the method, the recycling and reusing problems of 3D printing splashing waste powder and coarse powder in the traditional gas atomization powder manufacturing process are solved, and the powder pollution risk is remarkably reduced; according to the ultrasonic atomization re-powdering technology, the high-quality spherical metal fine powder needed by additive manufacturing can be efficiently prepared, powder waste discharge and environmental burden are reduced, the obtained powder can be directly used as a high-quality raw material for additive manufacturing, and green and sustainable development of the metal additive manufacturing industry is promoted.

The invention discloses a lead zirconate titanate film material with an ultrahigh voltage coefficient as well as a preparation method and application of the lead zirconate titanate film material, and belongs to the technical field of electronic material development and film materials. The preparation of the lead zirconate titanate film material is realized by adopting a sol-gel spin-coating method and controlling the annealing times. The piezoelectric film material provided by the invention can be directly deposited on a Si substrate coated with metal Pt, does not need to introduce an additional buffer layer or dope any element, is short in annealing time and simple in preparation process, all required raw materials are cheap and easy to obtain, and the piezoelectric film material particularly has high orientation degree, low coercive voltage and excellent ferroelectric and piezoelectric properties, is suitable for preparing large-size (2-4 inches) wafers, and has a wide application prospect. And huge application potential is shown in the field of piezoelectric micro-electro-mechanical system (MEMS) devices.

The invention belongs to the technical field of surface engineering, and particularly relates to a laser cladding iron-based corrosion-resistant and wear-resistant coating and a preparation method thereof. The invention relates to a laser cladding iron-based corrosion-resistant and wear-resistant coating which comprises the following iron-based alloy powder components in percentage by mass: 0.2-0.4% of C; 2.0 to 3.0% of B; the content of Cr is 12.0 to 16.0 percent; 0.5 to 1.0 percent of Ti; 0.5 to 1.5 percent of Si; 0.5 to 1.0 percent of Ni; 0.3 to 0.7% of Ce; s is less than 0.03%; p is less than 0.045%; and the balance of Fe. The coating has the beneficial effects that the coating takes the iron-based alloy powder as a raw material, and the iron-based alloy powder is uniformly cladded on the surface of the H13 steel by utilizing a laser directional energy deposition technology, so that a compact and uniform corrosion-wear-resistant cladding layer is formed, and the service life of the material under the working condition of erosion corrosion of molten aluminum is remarkably prolonged.

A 3D printing method, comprising the following steps: preparing a raw-material powder, and loading a substrate into a selective laser melting device; performing slicing and layering processing on a three-dimensional model, and importing data into a 3D printer; selecting a multi-laser real-time heat treatment scanning policy, and selecting appropriate printing parameters; spreading the raw-material powder evenly on the substrate, a first laser system starting to scan and melt the raw-material powder, and at the same time, a subsequent laser system starting scanning following the first laser system, so as to form a melted layer, until the scanning of the layer is finished; controlling the substrate to descend to a set height, spreading the raw-material powder on the melted layer again, and rescanning the spread raw material powder; and repeating the previous step until printing is completed. By means of the method, the residual stress can be reduced more efficiently, the requirement for the preheating temperature of a substrate is low, and the problems of the surface roughness being high, the printing accuracy being low, etc. are avoided; and it is not necessary to adjust the chemical composition of a printing material in order to reduce its cracking susceptibility. The present invention further relates to a printed product and a printing apparatus.

The invention relates to the technical field of metal wire processing, discloses copper alloy fine wire drawing equipment, and solves the problems that in the multi-stage drawing process of copper wire drawing equipment, due to the fact that the initial diameter of a raw material copper wire is uneven and the variation of unit length increase is unstable due to wire diameter fluctuation in the drawing process, the tension of the copper wire on a guide wheel is frequently changed, and the drawing quality is influenced. Therefore, the tension thread breaking phenomenon is easily caused. The first deformation structure is located between the outer guide wheel and the assembly disc, in the copper wire drawing process, adaptive deformation can be generated according to wire diameter changes, the outer guide wheel is pushed through reverse elastic force of the elastic recovery trend of the first deformation structure, and the fluctuation variation of increase of the unit length of the copper wire is self-adapted.

The invention belongs to the technical field of intelligent production scheduling of clothing production enterprises, particularly relates to an intelligent production scheduling system and method for clothing production enterprises, and solves the technical problems of unreasonable resource allocation and difficulty in handling emergencies. The intelligent production scheduling system can perform priority analysis and sorting on clothing orders, preferentially process emergency orders, reasonably arrange production plans and reduce waiting time and resource waste in the production process, thereby improving the production efficiency and reducing the production cost. The unit resource allocation amount is calculated according to the clothing order information and the historical data, resources such as equipment, manpower and raw materials are reasonably allocated, idle or overuse of the resources is avoided, the utilization rate of the resources is improved, the production process is monitored in real time, and when the situation of production lag occurs, proper adjustment information can be selected from the historical data, so that the production efficiency is improved. The resources are redistributed and adjusted, and resource configuration is further optimized.

The invention discloses manufacturing equipment and a manufacturing process of an electric power tube with a metal structure, and belongs to the technical field of electric power tube production equipment.The manufacturing process of the electric power tube with the metal structure comprises the following steps of (1) raw material smelting, (2) centrifugal casting, (3) demolding and cleaning, (4) annealing and finishing treatment and (5) transferring and storing. In the manufacturing process of the metal structure power tube, the inner wall of the power tube can be polished and cleaned immediately after centrifugal casting, so that the inner wall of the power tube is smoother, damage to a power cable can be prevented, subsequent spraying of a surface material in the power tube is facilitated, and the quality of the power tube is improved.

The invention relates to the technical field of aluminum alloy casting, and discloses a rare earth alloying modified 3102 aluminum alloy semi-solid casting method which comprises the following steps: S1, preparing ingredients: firstly preparing a raw material of a 3102 aluminum alloy and then preparing a rare earth element, S2, smelting: sequentially putting the raw material of the 3102 aluminum alloy into smelting equipment according to a sequence, S3, adding the rare earth element, and S4, casting. After the 3102 aluminum alloy raw material is smelted, S4, preparing semi-solid slurry, namely, cooling and stirring a smelted solution through stirring equipment, and adding a grain refiner while stirring until the smelted solution is formed into the semi-solid slurry, S5, performing die casting or injection molding, injecting the semi-solid slurry into a die casting mold of die casting equipment, and S6, cooling and demolding. And S7, heat treatment is conducted, specifically, the demolded casting is subjected to solution treatment, and a protective atmosphere is added. The yield strength and tensile strength of the alloy are improved through mechanisms such as solid solution strengthening, copper and aluminum can form an intermetallic compound to achieve dispersion strengthening, hardness increasing and wear resistance improving, silicon is beneficial for reducing melt viscosity and improving fluidity, and the alloy body performance is further improved through mixing of multiple materials, and the alloy is suitable for being used in various scenes.

The invention relates to a titanium alloy component preparation method and device and a flow guide pipe radius confirmation method, and relates to the technical field of negative pressure suction casting. The titanium alloy component preparation method comprises the steps that raw materials are smelted in stages based on the preset smelting power P1 of the raw materials till the heating temperature reaches the preset pouring temperature T, carrying out heat preservation on the smelted raw materials; based on the smelting power P2 of the blocking piece, the blocking piece is smelted in a staged mode till the blocking piece is completely smelted within a preset time period; and negative pressure is applied to a mold, and negative pressure mold filling is conducted on the mold through the molten blocking piece material and the molten raw materials. By adopting the technical scheme, the technical problems of long mold filling time and serious heat loss existing in an existing casting mode of combining smelting and crucible tilting weighting can be solved.

The invention provides a continuous fiber 3D printing nozzle structure and a composite material product, and belongs to the technical field of continuous fiber 3D printing manufacturing device.The nozzle structure comprises a hollow columnar spray head, a rolling device and a shell, the rolling device is located at the front end of the hollow columnar spray head, and the shell surrounds the periphery of the hollow columnar spray head; a storage cavity for storing filler is formed by the inner wall of the shell and the outer side wall of the hollow columnar spray head; the rolling device comprises a regular polygon mounting frame and rolling blocks, each edge of the mounting frame serves as a mounting shaft, each mounting shaft is rotationally provided with the corresponding rolling block, raw materials extruded from the hollow columnar spray head pass through a space defined by the multiple rolling blocks, and the rolling blocks are compacted on the surface of the extruded wire in the moving process of the 3D printing nozzle; a filler conveying assembly is arranged on the bottom wall of the shell and used for conveying filler in the storage cavity to the outer surfaces of the rolling blocks. According to the invention, the risks of fuzzing and wire breaking in the printing process of the wires can be reduced.

The present invention discloses a vertical injection molding machine, belonging to the technical field of injection molding equipment, which includes: a base, an injection molding mechanism and a molding mechanism. The injection molding mechanism includes: an injection barrel and an injection screw. The injection screw is rotatably installed in the injection barrel. A heating ring is fixedly sleeved on the outer side of the injection barrel, and a counterweight mechanism is arranged on both sides of the injection barrel; the molding mechanism includes: a molding die, a fixing plate and a cooling box. A molding groove is arranged on one side of the molding die, and the fixing plate is fixedly installed on the top of the base. The present invention can realize automatic injection molding, forming and blanking through the provided injection molding mechanism and molding mechanism. Through the provided cooling box and cooling pipes, the cooling intensity can be gradually reduced according to the progress of the cooling work, so as to ensure the forming speed and avoid quality problems at the same time. Through the provided counterweight mechanism, the gravity balance of the injection molding raw materials and the injection molding mechanism can be realized, so as to reduce the energy consumed for controlling its lifting, achieving the effect of energy saving.