27 results about "Metal forming process" patented technology

The invention relates to the technical field of metal plates, and discloses a security and protection electronic equipment metal plate assembly and mold collaborative research and development method which comprises the following steps: establishing a three-dimensional parameterized model of a metal plate assembly based on functional requirements and installation environment constraints of security and protection equipment, and synchronously generating a corresponding mold initial structure parameter library; according to the collaborative research and development method for the metal plate assembly and the die of the security and protection electronic equipment, the metal plate forming process is dynamically simulated through a multi-physics field coupling simulation platform, and material stress distribution data, a springback predicted value and a die abrasion trend curve are obtained in real time; according to the collaborative research and development method for the security electronic equipment metal plate assembly and the mold, the core technical indexes of shortening the mold development period, improving the first-pass yield of products and reducing the accidental shutdown rate of the mold are achieved, and the effect of a full-life-cycle collaborative management and control system from design optimization to intelligent operation and maintenance is formed.

The invention discloses an extrusion process parameter optimization method and a related device, and relates to the technical field of metal forming process optimization and intelligent manufacturing, firstly, a deep neural network is adopted to process to-be-optimized process parameters to obtain an appearance prediction result of a tubular part, and a simulation result and the appearance prediction result of the tubular part are input into an interpolation model to obtain an interpolation model; the method comprises the following steps: firstly, interpolating a uniform regular grid to obtain an interpolated uniform regular grid, then, inputting the interpolated uniform regular grid into an intrinsic field quantity prediction model to obtain a field quantity prediction result, and finally, inputting to-be-optimized process parameters and the field quantity prediction result into a rapid simulation agent model to obtain an optimized process parameter set of the tubular part. According to the method, the optimization process parameters of the tubular part can be rapidly calculated through the rapid simulation agent model, and the efficiency of optimizing the extrusion process is greatly improved.

The invention belongs to the field of metal forming processes, and particularly relates to a composite process method for synergistically improving the flame retardant property and the mechanical property of an AM50-series magnesium alloy. A technical breakthrough is formed through the synergistic effect of Ca element flame retardant modification and ultrasonic treatment in the smelting process. And through general parameter regulation and control (non-customized equipment), the mixture is poured into a metal mold when the solid fraction is 10%. Under the condition that the alloy is not subjected to subsequent deformation processing, the alloy shows the strength and plasticity matching performance superior to those of AM50-1. 2Ca matrix alloy and superior to those of AM50 base metal without Ca, and the flame retardance and the mechanical performance (especially plasticity) are synchronously improved.

The invention discloses a machining method and equipment for rigid casing centralizers, and relates to the technical field of metal casing part combination machining, and the method comprises the following steps: cutting a metal pipe with the size equivalent to the length of N rigid casing centralizers as a blank pipe, and prefabricating a strip-shaped metal piece containing N centralizing edges as a welding piece; the welding part is positioned in the length direction of the blank pipe and then welded to the outer surface of the blank pipe, and an assembly part is obtained; the method comprises the following steps: firstly, stacking materials on a to-be-cladded forming part on the surface of an assembly part through a local cladding forming process to form a wear-resistant and corrosion-resistant structure, and then integrally cladding a wear-resistant and corrosion-resistant coating on the surface of the assembly part through a coating cladding process to obtain a cladding part; and after the heat treatment part is hung on the cladding part, the cladding part is cut along the connecting part between the adjacent centralizing edges, and N rigid casing centralizers are obtained. According to the invention, the rigid casing centralizer is prepared by adopting a welding-cladding-heat treatment-cutting metal combined processing technology instead of a traditional metal forming process, so that the production efficiency is improved.

The embodiment of the invention discloses a metal extruding and drawing forming device and a metal forming process, the metal extruding and drawing forming device comprises an extruding support, a hydraulic machine, a drawing support, a lower die and an upper die, and on the basis, in the working process of the metal extruding and drawing forming device, metal raw materials can be placed in the lower die; then a hydraulic machine is started, the hydraulic machine is jacked, the upper die enters the lower die to make contact with the metal raw materials and generate pressure on the metal raw materials, the metal raw materials flow under the pressure effect and are extruded out along a center hole of the upper die, and extrusion of the metal raw materials is achieved; then the hydraulic machine is controlled to fall back, and a cushion block and a cushion ring are arranged on a lower die; jacking of the hydraulic machine is controlled again, and the pressing residues in the lower die can be extruded out; and the lower die is detached, the hydraulic machine is controlled to be jacked, and the drawing support is used for clamping and drawing the materials. By means of the metal extruding and drawing forming device, generation of pressure residues in the extruding process is eliminated, pointing operation in the drawing process is simplified, production raw materials are saved, and the technological process is simplified.

The invention discloses a forming quality optical detection method in laser-assisted low-temperature supersonic metal forming, and relates to the technical field of optical detection. Comprising the steps that refracted light data in the low-temperature supersonic metal forming process are obtained on the basis of laser, the refracted light data are used for representing the forming quality of low-temperature supersonic metal, form data in the low-temperature supersonic metal forming process are obtained, the refracted light data are associated on the basis of the form data, and gas data in the low-temperature supersonic metal forming process are obtained. The metal forming quality is evaluated by monitoring refracted light data in real time and analyzing the relation between the refracted light data and the metal form and gas release, the detection precision is improved to a certain degree, meanwhile, parameters of optical detection methods such as laser are dynamically adjusted based on the data analysis result, the whole forming process is optimized, and the production efficiency is improved. Errors caused by gas interference are reduced, the stability and reliability of a detection system are enhanced, and the accuracy of a detection result is improved.

The utility model relates to the technical field of metal forming equipment, and discloses metal forming equipment with a heat dissipation mechanism, which comprises a support frame, a lower die is fixedly connected with an inner cavity of the support frame, a first air cylinder is fixedly connected with the top end of the support frame, and an upper die is fixedly connected with the output end of the first air cylinder. A second air cylinder is fixedly connected to the right side of the supporting frame, a supporting disc is fixedly connected to the output end of the second air cylinder, and a servo motor is fixedly connected to the front side of the supporting disc. The servo motor is started to drive the cleaning brush to rotate to sweep away chippings in inner cavities of the lower mold and the upper mold, then the dust suction motor is started to suck out the chippings through the dust suction bin, and the chippings are discharged along the dust suction pipe, so that the chippings on the inner walls of the lower mold and the upper mold are treated, water cleaning and other modes are not needed any more, and the working efficiency is improved. And next metal forming can be carried out after cleaning is finished, and the metal forming efficiency is improved.

The invention provides a metal forming process macro-micro online reconstruction method based on digital twinning. The method comprises the steps that a state evolution database is constructed; selecting a training set from the state evolution database and training a macro-micro evolution prediction model by using the training set, the macro-micro evolution prediction model comprising a space-time diagram neural network and a forward prediction network which are respectively used for performing macro-micro state evolution prediction of each substance point in each time step, predicting physical state evolution of each substance point between adjacent time steps; in a production process, acquiring a process parameter combination measurement value in real time and inputting the process parameter combination measurement value into the macro-micro evolution prediction model; and carrying out visual three-dimensional reconstruction on the physical state evolution process of each substance point based on the output of the macro-micro evolution prediction model. According to the method provided by the invention, three-dimensional reconstruction based on digital twinning can be performed on macro-micro state evolution of the whole area of the metal material in a high-density and high-precision manner.

The utility model relates to metal forming processing technical field, and disclose a pressure -maintaining device based on bearing ring liquid state die forging, including box body, still include: fixedly connected in the inside mounting plate of box body, the inside left side mounting of mounting plate has the motor, through motor drive bidirectional screw rod rotation, utilize its screw thread drive characteristic, the accurate clamping of clamping piece's clamping block is connected in the clamping groove of mould outer wall, this structure design has realized the flexible clamping adaptation of different model mould, only need through motor control bidirectional screw rod's rotation angle, can quick adjustment two clamping piece's interval, make it closely matches mould both sides, completes steady clamping, this device has reduced the adjustment time and manpower cost when replacing mould greatly, need not complex reforming process, has improved production efficiency significantly, satisfies the diversification production demand, has strengthened the versatility and production flexibility of equipment.

The present invention discloses a real-time analysis method and system for sheet metal forming based on online data, including using a node deformation displacement analysis model to calculate the full-field displacement data of the material based on the boundary displacement data of the sheet metal blank collected online, and on this basis using a formula to directly calculate the distribution data of the three-dimensional strain, wall thickness and stress field of the material, thereby realizing the synchronization of data analysis and sheet metal forming. The present invention uses a formula to directly obtain the physical information such as stress, strain, wall thickness, etc. inside the material based on the blank boundary displacement information and the sheet metal node deformation displacement analysis model in the sheet metal forming process. Compared with the finite element method, it does not need to perform stiffness matrix calculation, simplifies the operation, improves the calculation efficiency, and can perform real-time analysis of sheet metal deformation.

A process for manufacturing a vehicle panel is disclosed. In some embodiments, the process includes processing a metal coil that is made of stainless steel to form a sheet; processing the sheet to form a processed sheet; and bending the processed sheet to form the vehicle panel.

The utility model relates to metal forming processing technical field, the utility model provides a kind of feeding device of multiple station cold header, the top end of conveying table is rotatably connected with carousel, the upper surface of conveying table and located the end close to carousel is provided with guide rail, the inner wall of guide rail is slidably connected with sliding plate, the outer wall of sliding plate is fixedly connected with rack one, in the utility model, by being provided with sliding plate and steel wire brush in the side of carousel, wire rod is rotated to disc element and carousel when being conveyed to cold header and is processed traction, operator can rotate driving gear one by rotating rotating shaft, gear one is slid in the inner wall of guide rail by meshing driving rack one and sliding plate, sliding plate and steel wire brush are rubbed to the surface of disc element by sliding contact, realize automatic polishing cleaning using the rotation of disc element, remove the oxide skin, rust mark or dirt on the surface of disc element b, to reduce the wear between subsequent and mould, improve production efficiency.

The invention discloses a wear-resistant ceramic and rubber composite metal slurry pump for mineral separation, the slurry pump comprises a bracket, a bearing assembly, a filler box, a pump shell, a front protective plate, a rear protective plate, a front sheath, a rear sheath and an impeller, and the front protective plate, the rear protective plate, the front sheath, the rear sheath, the impeller and other overflowing parts all adopt a wear-resistant ceramic and rubber composite metal forming process. The invention further provides a preparation method of the composite material of the wear-resistant ceramic and the rubber composite metal. According to the wear-resistant ceramic and rubber composite metal slurry pump, the wear resistance and the corrosion resistance of ceramic are exerted, the partitioning design solves the problems that silicon carbide ceramic is difficult to be large and large in brittleness, the elasticity of rubber can buffer the impact of large particles on the silicon carbide ceramic, the wear resistance of the slurry pump is improved, and the service life of the slurry pump is prolonged.

The embodiment of the application discloses a metal extrusion and drawing forming device and a metal forming process. The metal extrusion and drawing forming device comprises an extrusion support, a hydraulic machine, a drawing support, a lower die and an upper die. During the working process of the metal extrusion and drawing forming device, the metal raw material can be placed in the lower die. Then, the hydraulic machine is started, the hydraulic machine is lifted, the upper die enters the lower die, contacts the metal raw material and generates pressure on the metal raw material, the metal raw material flows under the action of the pressure, is extruded along the center hole of the upper die, and the extrusion of the metal raw material is realized. Then, the hydraulic machine is controlled to fall back, the gasket and the gasket ring are arranged at the lower die. The hydraulic machine is controlled to lift again, and the residual pressure in the lower die can be extruded. The lower die is disassembled, the hydraulic machine is controlled to lift, and the drawing support is used to clamp and draw the material. The metal extrusion and drawing forming device eliminates the generation of residual pressure in the extrusion process and simplifies the rolling operation in the drawing process, saves the production raw material and simplifies the technological process.

The present invention discloses a method and device for sheet metal forming assisted by magnetorheological fluid with controllable back pressure, belonging to the technical field of sheet metal forming. According to the geometric shape characteristics and complexity of the parts to be formed, the rheological properties of the magnetorheological fluid in the cavity can be changed by adjusting the current of the coil, and further, by adjusting the flow resistance of the magnetorheological fluid, the back pressure generated by the magnetorheological fluid can be controlled to provide appropriate back pressure for different stages of sheet metal forming. The regulation method is fast and simple, and the regulation structure is simple. The present invention can effectively alleviate the serious wall thickness reduction and springback phenomenon caused by the mismatch of back pressure during the sheet metal forming process. In addition, when using magnetorheological fluid to provide the back pressure for sheet metal forming, the mechanical properties of the force transmission medium can be changed at any time to meet the stress requirements for forming different materials at different stages, reduce the sealing requirements, make the forming process more flexible, and improve the forming accuracy.

The invention discloses an automatic metal forming monitoring system, which comprises a metal forming management platform, the metal forming management platform comprises a data acquisition module, and the data acquisition module is in butt joint with a station management module, a processing management module and a parameter management module, and relates to the technical field of metal forming monitoring. According to the automatic metal forming monitoring system, through automatic data acquisition and processing, the workload of manual inspection and recording is greatly reduced, the monitoring efficiency is improved, video data and parameter data in the production process are analyzed and compared in real time through the video management and data comparison module, and the production efficiency is improved. According to the method, abnormal conditions can be found in time, an alarm can be given out, intelligent monitoring is achieved, the influence of human factors is reduced, meanwhile, key parameters in the metal forming process are accurately monitored and compared, parameter anomalies are found in time, support is provided for taking corresponding adjustment measures, and the metal product quality is effectively guaranteed.

The rotary tapered wedge structure of the stamping die comprises the pressing core and the rotary tapered wedge assembly, the rotary tapered wedge assembly is movably arranged on the pressing core, the limiting assembly is arranged between the pressing core and the rotary tapered wedge assembly, and the limiting assembly can limit relative movement between the pressing core and the rotary tapered wedge assembly in the plate forming process. The rotary wedge structure of the stamping die can balance the pressure, the problem that the wedge rotor rotates reversely due to the fact that the pressure of the pressing core is too large can be avoided, normal movement of the rotary wedge assembly is guaranteed, and the stability of the plate forming process is guaranteed, and the rotary wedge structure of the stamping die can balance the pressure and avoid the problem that the wedge rotor rotates reversely due to the fact that the pressure of the pressing core is too large. Normal movement of the wedge can be guaranteed, and the stability of the plate forming process is guaranteed.

The application provides a metal forming regulation method and system based on die casting defect prediction and a medium, relates to the technical field of metal forming control, and the method comprises the following steps: performing real-time sensing on the die casting metal through a multi-physical field sensor group; performing deep learning on defect prediction based on a die casting process monitoring data set; performing defect positioning and identification by traversing a defect space-time feature map, generating a die casting defect prediction label, regulating the metal forming process; simulating the execution of the process regulation instruction to control the die casting, generating metal forming quality simulation parameters for closed-loop regulation, and formulating a metal forming regulation strategy. The application solves the technical problems of process regulation lag and unstable forming quality in the prior art due to the dependence of the die casting process on post-inspection defect judgment, rework adjustment after the defect occurs, zero-cost verification of the regulation effect in the virtual space, and finally forms an optimal process strategy to improve the metal die casting yield.

This application relates to the technical field of sheet metal forming processes, and specifically discloses a hot stretch forming device applicable to forming a spherical surface from a flat plate, including a blank holder for fixing the sheet and preventing the sheet from wrinkling during the stretching process, and a female die and a male die for the stretching process. The blank holder is a slidable circular ring, and a raised bead is provided on the top surface of the blank holder. The top surface of the blank holder inside the bead is a flat surface, and a ring groove that can cooperate with the bead is provided on the outer periphery of the bottom surface of the female die. The purpose of this patent is to solve the problem that after the part is stretched, a fixture is required to position and cut the part, and the fixture cost is relatively high, which affects the cutting cost of the part.

Ultrasonic systems and methods for sealing complex interfaces or for metal forming. Complex interfaces, such as mountain tops, include multiple various layers on the interface, or elliptical or circular nozzles with complex geometries. An example system includes two ultrasonic horns, which are arranged opposite to the gap and the interface is disposed between the two ultrasonic horns. The frequency and phase of the ultrasonic energy are synchronized while the energy is applied while the interface is pressed between the jaws, and uniform energy is applied to both sides of the interface. Another example system includes two ultrasonic transducers that are synchronized in frequency and phase and are used to mechanically vibrate the horns to facilitate sealing or welding the interface or to assist in the metal forming process.

The application discloses an extrusion process parameter optimization method and related device, and relates to the technical field of metal forming process optimization and intelligent manufacturing. First, a deep neural network is used to process to-be-optimized process parameters, and an outer shape prediction result of a tubular part is obtained. A simulation result of the tubular part and the outer shape prediction result are input into an interpolation model, and an interpolated uniform regular grid is obtained. Then, the interpolated uniform regular grid is input into an intrinsic field quantity prediction model, and a field quantity prediction result is obtained. Finally, the to-be-optimized process parameters and the field quantity prediction result are input into a fast simulation proxy model, and an optimized process parameter set of the tubular part is obtained. Through the fast simulation proxy model, the optimized process parameters of the tubular part can be quickly calculated, and the efficiency of optimizing the extrusion process is greatly improved.

Disclosed in the present invention is a wear-resistant ceramic-and-rubber composite metal slurry pump for mineral processing. The slurry pump comprises a supporting frame, a bearing assembly, a packing box, a pump casing, a front liner plate, a rear liner plate, a front protective sleeve, a rear protective sleeve and an impeller, wherein flow-passing members including the front liner plate, the rear liner plate, the front protective sleeve, the rear protective sleeve and the impeller are all made by using a wear-resistant ceramic-and-rubber composite metal forming process. Further provided in the present invention is a preparation method for a composite material of a wear-resistant ceramic-and-rubber composite metal. The wear-resistant ceramic-and-rubber composite metal slurry pump provided in the present invention gives full play to the wear resistance and corrosion resistance of ceramics; a segmented design solves the problems of it being difficult to upsize silicon carbide ceramics and same having a high brittleness; and the elasticity of rubber can buffer the impact of large particles on the silicon carbide ceramics, thereby improving the wear resistance of the slurry pump and prolonging the service life thereof.

The utility model discloses a delayed material pressing type drawing die. The delayed material pressing type drawing die comprises an upper die base, a nitrogen spring assembly, a casting die assembly, a blank holder and a lower male die. The upper die holder is provided with a cavity for mounting the nitrogen spring component and the casting die component; the casting die assembly comprises a casting die body and a return spring; a convex part and an accommodating cavity are arranged on the casting die body; one end of the convex part of the casting die body is arranged in the cavity towards the direction of the lower convex die; the return springs are arranged on the two sides of the convex part, one ends abut against the bottom wall of the cavity, and the other ends abut against the pressing device body; the return spring jacks the part pressing device body into the upper die base when the part pressing device body is not pressed; the nitrogen spring assembly comprises a mounting bottom plate and a nitrogen spring; the nitrogen spring is fixed on the mounting bottom plate through a locking piece, and the nitrogen spring is arranged in the accommodating cavity; the nitrogen spring is inflated to push the part pressing device body to move towards the lower male die, so that the convex part is exposed out of the upper die base, and the plate gathering position is pressed; according to the utility model, the problems of wrinkling and bulging in the plate forming process are effectively solved.

This invention relates to a workpiece forming method based on controlling the conduction state of coils using an energizing coefficient. Each turn of the drive coil group is connected to a power supply via an individual switch. During the sheet metal forming process, the conduction state of each turn of the drive coil group is individually controlled according to the real-time forming position of the sheet metal, i.e., the energized area of ​​the drive coil group is adjusted in real time, ensuring that the electromagnetic field direction at the sheet metal is parallel to the sheet metal surface, and the electromagnetic force on the sheet metal is always perpendicular to the sheet metal surface. This invention improves the flatness of the metal sheet surface, thus improving the forming quality of the metal sheet, and enhances the heat dissipation effect of each turn of the coil; it also increases the convenience of inspection and maintenance of each turn of the drive coil group.

A processing method and equipment for rigid casing centralizers, relating to the technical field of combined processing of metal casing parts, the method comprising the following steps: cutting a metal tube with a size equivalent to the length of N rigid casing centralizers as a blank tube, prefabricating a strip-shaped metal part containing N straightening ridges as a welding part; positioning the welding part along the length direction of the blank tube and welding it to the outer surface of the blank tube to obtain an assembly; firstly, using a local cladding forming process to accumulate material on the part to be clad and formed on the surface of the assembly to form a wear-resistant and corrosion-resistant structure, and then using a coating cladding process to entirely clad a layer of wear-resistant and corrosion-resistant coating on the surface of the assembly to obtain a cladding part; after hanging and heat-treating the cladding part, cutting along the connecting part between adjacent straightening ridges to obtain N rigid casing centralizers. The present invention improves production efficiency by adopting the "welding-cladding-heat treatment-cutting" metal combined processing technology to replace the traditional metal forming process to prepare rigid casing centralizers.

The utility model provides a miniaturized charging pile terminal, which comprises a pile body formed by integral bending, the pile body comprises a back plate and side plates bent at the two sides of the back plate, a top plate is fixedly arranged at the tops of the back plate and the two side plates, and a bottom plate is fixedly arranged at the bottoms of the back plate and the two side plates. The ends, away from the back plate, of the two side plates, the top plate and the bottom plate form a cabinet opening, a cabinet door is hinged to an opening of the cabinet opening, and the side faces and the top face of the cabinet door are located on the same plane with the side faces of the side plates and the top face of the top plate respectively when the cabinet door covers the cabinet opening. The charging pile terminal is small in boundary dimension, achieves the effect of a traditional casting pile by adopting a metal plate forming process, and meanwhile, remarkably improves the convenience of installation and maintenance by adopting a door opening installation design.

According to the dynamic gradient binder assisted support-free metal SLM forming process, a binder is adopted to play a temporary supporting role in component forming, adding of a supporting structure in the traditional SLM forming process is avoided, powder can be reused after the binder is degreased and volatilized in the later period, and the manufacturing cost is reduced; meanwhile, the first binder and the second binder with the rigidity gradient are matched according to the stress requirement of a supporting area, on-demand supporting is achieved, collapse deformation caused by insufficient supporting of a high-stress area is avoided, the post-treatment problem caused by excessive supporting of a medium-stress area is solved, deformation or collapse of parts is effectively prevented, and the rate of finished products is increased; and a support formed by the binder is easy to fall off in the later period, so that the post-treatment difficulty is greatly reduced, the post-treatment time is shortened, and the impact damage to the component is reduced while the automatic production efficiency is greatly improved.