9 results about "Metal forming process" patented technology

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 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 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.

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.

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.

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.