16 results about "Progressive stamping" patented technology

This invention discloses a continuous stretching and stamping forming die for a protective cover, comprising an upper die and a lower die. The upper die moves linearly up and down relative to the lower die. The upper die is connected to the stamping slide of a stamping machine, and the lower die is connected to the working platform of the stamping machine. The invention is characterized by the following steps: left and right side trimming, front and rear side trimming, primary stretching, secondary stretching, side punching of a left-side round hole, side punching of a right-side round hole, side punching of a non-circular hole, straight punching of a non-circular hole, notch punching, and finished product blanking. This invention achieves "one-time feeding, multiple processes completed simultaneously" by sequentially setting up multi-station progressive stamping dies on a single die set, greatly improving production efficiency and ensuring the dimensional accuracy of the stamped workpiece, especially the positional dimensional accuracy between the four round holes on the front and rear sides of the workpiece and the non-circular hole below the center of the four round holes, significantly improving the product yield.

The utility model provides a high -precision punching flanging stage progression stamping forming die of car front frame, including stamping upper die plate, stamping lower die plate and oil cylinder part, the bottom one side of stamping upper die plate, stamping upper die plate installs rotary motor, and the output shaft of rotary motor installs swing strip, and one end of swing strip installs semicircular wiping sleeve, and the wiping inner ring of semicircular wiping sleeve is connected with punch bit. The utility model discloses a rotary motor is installed on the bottom one side of stamping upper die plate, and the output shaft of rotary motor installs swing strip, and the wiping inner ring of semicircular wiping sleeve is connected with punch bit in the one end of swing strip and installs semicircular wiping sleeve, can be wiped operation to punch bit of stamping after stamping reset, makes punch bit surface clean and neat, avoids the influence of subsequent stamping on punching precision.

The application relates to the technical field of progressive stamping die, and particularly provides a progressive stamping die for a motor iron core and a rotary guide mechanism. The progressive stamping die for the motor iron core comprises an upper die assembly, four upper guide assemblies, a lower die assembly and four lower buffer assemblies. The application can realize accurate rotary stacking of large-angle rotation, effectively disperses material and feeding errors, ensures uniform stacking and high precision in the progressive stamping process, ensures reliable structure positioning and stable transmission, is suitable for high-speed progressive dies, has high automation degree, low modification cost and long service life, meets the demand of high-end motors, can realize multi-stage gradual buffering, absorbs impact energy step by step, greatly reduces the vibration of the die, prolongs the service life of the equipment, avoids the error accumulation of the rotary mechanism, improves the rotary precision and stability, can realize bidirectional adjustment and buffering, quickly adapts to different working conditions, and is suitable for the progressive stamping of silicon steel sheets with different thicknesses.

A method and apparatus for ultra-fast zoned contact heating of aluminum alloy hot stamping forming is disclosed. The method involves determining the temperature distribution of the zoned contact heating mold based on the aluminum alloy sheet to be processed, placing the sheet on the mold for ultra-fast zoned contact heating to form temperature zones, and then rapidly transferring the heated aluminum alloy sheet to the hot stamping mold using a progressive die sheet transfer device. The hot stamping mold is then closed to stamp the aluminum alloy sheet into the target shape and held under pressure for cooling to obtain the corresponding part. Finally, the hot-stamped part undergoes a baking paint treatment to achieve peak strength in overall performance. This invention uses age-hardened (T-state) aluminum alloy sheet through rapid zoned contact heating and hot stamping forming processes to obtain parts, utilizing the continuous and efficient advantages of progressive stamping to integrate heating, transfer, and forming into a single mold.

According to the progressive stamping die for the coated steel part with the fillet, the surface of the steel part cannot be napped, a lower primary bending module for primarily bending two wing plates of a workpiece is arranged at the eleventh station of a lower die holder, and an upper primary bending module for primarily bending the two wing plates of the workpiece is detachably embedded at the eleventh station of an upper die holder; a lower bending forming block for performing right-angle bending on two wing plates of the workpiece is arranged at the thirteenth station on the lower die holder; an upper bending forming block for performing right-angle bending on two wing plates of the workpiece is detachably embedded in the thirteenth station of the upper die holder; avoiding holes for avoiding the pair of lower bending forming blocks are formed in the upper die holder; the lower bending forming block is provided with an upper bending fillet part and a lower bending concave arc part which are used for forming two bends of the workpiece; an embedding groove is formed in the position, at the upper bending fillet part, of the lower bending forming block, and a tungsten rod for forming a fillet is embedded in the embedding groove.

The utility model discloses a multi-station automatic progressive stamping assembly line, and relates to the technical field of machining. The punching device comprises a plurality of punching tables, each punching table is provided with a punching assembly, each punching assembly comprises a U-shaped frame fixedly connected to the top of the corresponding punching table, the lower portion of the inner side of each U-shaped frame is fixedly connected with a plurality of clamps through a bottom plate, the upper portion of the inner side of each U-shaped frame is movably connected with a lifting plate through a hydraulic cylinder, and the two sides of each punching table are further provided with feeding assemblies. According to the punching device, the punching heads are installed through the installation blocks, the distance between the punching heads is adjusted, the distance between the punching heads can be conveniently adjusted according to the sizes of workpieces, therefore, the multiple workpieces can be conveniently punched at the same time, and the problem that in the prior art, the multiple workpieces cannot be conveniently punched at the same time is solved; and in addition, the workpieces are cooled and washed through the water segregator and the water tank, then the workpieces are blow-dried through the air supply shell, and the problem that in the prior art, continuously-stamped workpieces are inconvenient to cool and wash is solved.

The invention discloses a progressive stamping process for a high-strength support sheet metal part of an automobile seat. The progressive stamping process comprises the following steps: stamping a guide hole for accurate positioning in a strip; a waste area outside the final contour of the workpiece is trimmed for the first time, and in the same station and the same stamping stroke, a male die on the die is used for conducting controllable local plastic pre-stretching on materials which are adjacent to a trimming line and located in a follow-up flanging deformation influence area, so that the materials in the area are subjected to plastic deformation; local plastic pre-stretching is conducted, specifically, controllable tensile stress is introduced into the area before forming so as to counteract residual compressive stress generated in the follow-up flanging and side shaping procedures, and therefore overall springback of a workpiece is actively controlled and reduced; and gradually cutting off other wastes to finish the final forming of the appearance of the workpiece. The workpiece is subjected to flanging forming and lateral coining shaping; and the formed workpiece is separated from the material belt. And by actively intervening and optimizing internal stress distribution of the material before forming, springback and cracking of the high-strength steel stamping sheet metal part are fundamentally restrained.

Land grid array (LGA) sockets with low-profile housings and stamped cylindrical pins are disclosed. Each pin includes a top contact portion, a bottom contact portion, and a serpentine spring portion that compresses along the vertical axis. In some embodiments, a bent electrically conductive strip provides a shorter electrical path to support high-speed data transmission. In other embodiments, the pin comprises a stub that contacts a pin hole plating layer to provide a shorter electrical path. The pins may be formed from beryllium copper and plated with palladium-gold. The socket housing, formed from printed circuit board laminate layers, defines cavities that receive and constrain the pins to limit movement and prevent damage. Localized ground and power structures, including plated-through holes and shielding vias, reduce crosstalk. The low-profile socket designs enhance signal and power integrity while enabling cost-effective manufacturability through progressive stamping and laminate-based assembly.

The utility model discloses a progressive stamping die for workpiece machining, and relates to the technical field of progressive dies, the progressive stamping die can efficiently complete a plurality of procedures through consistency and consistency of machining of all stations and sequential stamping cooperation of a female die and a male die, the workpiece bending process is stable and reliable through the linkage design of a bending die and a fixing module, and the machining efficiency is improved. Meanwhile, stable demolding of the bent workpiece is achieved through an ejector rod mechanism driven by a spring, deformation or clamping stagnation of the workpiece is effectively prevented, a second upper floating plate presses an ejector block in advance when driving a pressing rod to press downwards, preparation is made for subsequent ejection, the connecting positions of the two ends of the workpiece can be accurately cut off through cooperation of a blanking die and a cushion block, after blanking is completed, the second upper floating plate moves upwards, and the workpiece is prevented from being bent. And the second nitrogen spring rapidly resets and pushes the ejection block to eject the workpiece towards one side, so that smooth and automatic discharging of stamped finished products is achieved, the machining precision is guaranteed, meanwhile, the production efficiency is remarkably improved, and the manual intervention strength and the rejection rate are reduced.

The utility model relates to the field of automobile precision continuous stamping dies, in particular to a waste cutting device of an automobile precision continuous stamping die. Comprising a base, four hydraulic rods are installed on the upper surface of the base, the output ends of the hydraulic rods are fixedly connected with a machine body, a punching device is installed on the lower surface of the machine body, a cutting structure is arranged at one end of the machine body and comprises two sliding plates, and the two sliding plates are fixedly connected with the machine body; a connecting base is arranged on the side, close to the sliding plate, of the base, inserting rods are slidably connected to the two sides of the connecting base and the two sides of the base, and connecting rods are fixedly connected to the ends, away from the sliding plate, of the inserting rods. The waste cutting-off device of the automobile precise continuous stamping die has the advantages that discharged waste can be conveniently and rapidly cut off when stamping parts are stamped, continuous work can be conducted, and waste cutting-off can be conducted by means of stamping impulsive force.

The utility model relates to the technical field of punching machines, and discloses a step-by-step punching machine which is characterized in that a control panel is fixedly installed on the side face of a punching machine body, an air cylinder is fixedly installed on the top face of the punching machine body, a fixing plate is fixedly installed on the bottom face of the inner side of the punching machine body, and a base is fixedly installed on the bottom face of the punching machine body; a pressing rod is fixedly installed on the top face of the punching machine body, a connecting plate is fixedly installed on the bottom face of the pressing rod, and a connecting opening is fixedly formed in the top face of the connecting plate. According to the step-by-step punching machine, a punching lubricant is connected through a connecting port, then a spray head sprays the punching lubricant to the surface of a lower die, after the lower die is fixed to the top face of a fixing plate through fixing bolts, lifting rods can descend to make contact with the top faces of the two ends of the lower die, and the lifting rods can be placed in grooves; and the bottom end of the lifting rod and the top surface of the lower die can form a flat plane.

The application discloses a U-shaped bolt progressive stamping device with self-adaptive positioning function and relates to the technical field of stamping equipment. The stamping device comprises a stamping bed body, an adjusting part with adjusting function is fixedly installed on the top of the stamping bed body through bolts, the adjusting part is specifically composed of a linear motor guide rail assembly and a base plate, and a turnover table is rotatably installed on the top of the base plate. The traditional rigid positioning is upgraded to dynamic self-adaptive intelligent positioning. Through the fusion of visual scanning and micro-contact sensing data, a driving execution mechanism is used to actively correct and progressively close-loop fine-tune the U-shaped bolt, so that the shape and position deviation of raw materials are eliminated from the root, a full-data closed-loop automatic process from data sensing to data correction and then to adjustment of accurate positioning and finally stamping is realized, the precision, consistency and intelligent level of the machining of complex curved workpieces are remarkably improved, and the application is a landmark progress in the field of stamping forming.

The invention discloses a U-shaped bolt progressive stamping device with a self-adaptive positioning function, and relates to the technical field of stamping equipment. The top of the punching machine body is fixedly provided with an adjusting piece with an adjusting function through bolts. The adjusting part is specifically composed of a linear motor guide rail assembly and a base plate, a turnover table is rotationally installed on the top of the base plate, traditional rigid positioning is upgraded into dynamic self-adaptive intelligent positioning, data are sensed and fused through visual scanning and micro-contact, an executing mechanism is driven to conduct active correction and progressive closed-loop fine adjustment on the U-shaped bolt, and the U-shaped bolt is adjusted through a linear motor guide rail assembly. The shape and position deviation of the raw material is eliminated from the source, the full-data closed-loop automatic process of data sensing, data correction, accurate positioning adjustment and final stamping is achieved, the precision, consistency and intelligent level of complex bent workpiece machining are remarkably improved, and the method is a symbolic progress in the field of stamping forming.

The utility model relates to the technical field of stamping, in particular to an accelerator pedal base bush continuous stamping die which comprises an upper die base and a lower die base. The die comprises an upper die base, an upper base plate, an upper clamping plate, a deep fixing plate, a stripper plate, a first upper shape cutting end, a second upper shape cutting end, a third upper shape cutting end, a fourth upper shape cutting end, a fifth upper shape cutting end, a sixth upper shape cutting end, a first upper bending end, a second upper bending end, an upper shaping end, a first product falling end, a lower base plate and a lower die plate. The stamping die comprises a first lower shape cutting end, a second lower shape cutting end, a third lower shape cutting end, a fourth lower shape cutting end, a fifth lower shape cutting end, a sixth lower shape cutting end, a first lower bending end, a second lower bending end, a lower shaping end and a second product falling end. The production efficiency is greatly improved, and the large-scale production requirement can be met.

The invention relates to the technical field of punch forming, in particular to a semiconductor equipment punch forming process method which comprises the following steps: performing gradient temperature pretreatment on a metal blank to improve the grain uniformity and the phase change completeness and reduce the pretreatment period and the punch cracking rate; the multistage progressive stamping die set is adopted to execute differential stamping, so that the service life of the die is prolonged, and the product flatness is improved; axial ultrasonic vibration is synchronously applied in the stamping process, so that the stamping energy consumption and the die wear rate are reduced, and the product size stability is improved; residual stress distribution of a stamping area is monitored in real time through an embedded stress sensor, a dynamic compensation mechanism is triggered when it is detected that the stress concentration coefficient exceeds 1.8, and the stress monitoring precision and the compensation response speed are improved; and in-situ annealing treatment is carried out in an inert gas environment after stamping is completed, so that the grain size uniformity is improved, and the heat treatment deformation is reduced.

The application provides an oil supply system for a precision progressive stamping die and a device thereof. The oil supply system for the precision progressive stamping die comprises a precision progressive stamping die, a pressure gas tank, a gas pressurizer and a pressure regulating atomizer. The gas inlet end of the gas pressurizer and the gas inlet end of the pressure regulating atomizer are in communication with the gas supply end of the pressure gas tank, the pressure regulating atomizer is internally provided with an oil tank for containing cooling lubricating liquid, the gas outlet end of the gas pressurizer and the gas outlet end of the pressure regulating atomizer are in communication with an oil inlet hole after being converged, and the gas pressure value at the gas outlet end of the gas pressurizer is greater than the gas pressure value at the gas outlet end of the pressure regulating atomizer.