29 results about "Progressive stamping" patented technology

The utility model discloses an automobile seat sliding rail support stamping progressive die, and belongs to the field of stamping dies. The stamping progressive die comprises a fixed die and a movable die arranged on the fixed die; material fixing structures are symmetrically arranged at one end, close to the fixed mold, of the movable mold; the fixing seat is fixedly connected with one end, close to the fixed mold, of the guide rod; the roller rod is rotationally mounted on the fixing seat; the fastening spring is arranged on the guide rod in a sleeving manner and corresponds to a position between the fixing seat and the movable mold; and the baffle plate is fixedly connected to one end, far away from the fixing seat, of the guide rod. The blank is stably positioned through the material fixing structure, displacement of the blank in the stamping process is effectively prevented, and therefore the size precision and the shape consistency of stamped parts are improved. Stamping waste products caused by blank displacement are reduced, and the production cost is reduced. And as the shutdown adjustment time required by waste products is reduced, the overall production efficiency is remarkably improved. The design of the roller rod avoids the problem that the surface of the blank is scratched, and the blank quality is protected.

The invention discloses a manufacturing process of a radial magnetic flux cylinder type motor iron core, and particularly relates to the technical field of motor iron core manufacturing, and the manufacturing process comprises the steps: employing magnetron sputtering to construct a gradient insulation coating on the surface of a nanocrystalline strip, and enabling the gradient insulation coating and silicon steel sheets to be alternately laminated to form a magnetic conduction-bearing composite structure; a yoke bionic honeycomb runner and a tooth magnetic barrier groove are machined through femtosecond laser, and magnetothermal coupling optimization is achieved; multidirectional progressive stamping forming is conducted in the pulsed magnetic field environment, and grain directional arrangement and interface metallurgical bonding are achieved in combination with femtosecond laser micro-connection; the integrated eddy current detection system regulates and controls press fitting parameters in real time, and stress regulation and control are completed through two-stage microwave annealing and ion beam treatment. According to the method, the magnetic circuit efficiency and the heat dissipation performance of the iron core are effectively improved, through material-structure-process collaborative innovation, the problems of magnetothermal imbalance, grain disorder, assembly accumulative errors and the like in traditional manufacturing are solved, and the operation stability and the service life reliability of the iron core under the high-frequency and high-load working condition are remarkably improved.

The utility model discloses a mechanism for solving the problem of difficult sliding-out of waste of a stamping progressive die, which belongs to the field of automobile production dies and comprises a fixed unit and a movable unit which are connected with each other, the fixed unit comprises two cylinders arranged on two machine tool upright posts and a first cross rod arranged between the two machine tool upright posts, and the movable unit comprises a second cross rod arranged between the two machine tool upright posts. The two ends of the first transverse rod are connected with output shafts of the air cylinders correspondingly, the two sides of the first transverse rod are kept to be equal in height, and the air cylinders are fixedly connected with machine tool stand columns. The movable unit comprises a waste sliding groove, a clamping groove and a second cross rod, one end of the waste sliding groove is fixedly connected with the clamping groove, the other end of the waste sliding groove is placed on the second cross rod, and the clamping groove is slidably connected with the first cross rod; by the adoption of the mechanism, unnecessary shutdown is eradicated in a single-shift production plan, shutdown loss can be reduced by about 500,000 yuan every year, production benefits are improved, and wide application prospects are achieved.

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 invention relates to the technical field of stamping, and discloses a special-shaped stamping part stamping device which comprises an upper stamping die and a lower stamping die, and a stamping space is formed between the bottom of the upper stamping die and the top of the lower stamping die. A pre-punching module, an air suction valve forming male die, a fine punching module, a chamfering receding structure, an appearance semi-cutting male die and an appearance punching male die are sequentially arranged at the bottom of the upper punching die in the transverse direction of the structure of the upper punching die. The invention discloses a stamping device for special-shaped stamping parts. The multifunctional punching device is formed by a pre-punching module, an air suction valve forming male die, a fine punching module, a chamfering receding structure, an appearance semi-cutting male die and an appearance punching male die which are arranged on an upper punching die, and a first forming hole set, an exhaust valve forming male die, a second forming hole set, a chamfering module, a material returning module and a punching receding space which are arranged on a lower punching die. And in the subsequent stamping process of the material belt, batch production of the material belt can be achieved on the material belt in a progressive stamping mode according to the multiple structural characteristics, and the production efficiency is fully improved.

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.

The utility model relates to an automobile front axle supporting seat stamping progressive die which comprises an upper die seat and a lower die seat, the lower die seat is connected to the upper die seat through a guide column, a base plate is arranged on the lower side of the upper die seat, and a fixing plate is arranged on the lower side of the base plate. A punching male die, a first edge cutting male die, a second edge cutting male die, a first edge bending male die, a vacant site, a second edge bending male die and a cutting male die are sequentially arranged on the fixing plate according to the feeding direction, a female die plate is arranged on the lower die base, and an edge bending male die insert is arranged at the position, corresponding to the first edge bending male die, of the female die plate. The punching male die, the first trimming male die, the second trimming male die, the first flanging male die, the vacant site, the second flanging male die and the cutting male die which are sequentially arranged on the fixing plate are matched with the female die plate, so that a plurality of different punching machining procedures can be completed in one punching stroke, the labor productivity is remarkably improved, repeated positioning is not needed, the accumulated error is small, and the production efficiency is improved. The stamping precision is high, the quality is reliable and stable, and the size consistency is high.

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 invention discloses an automatic feeding progressive stamping die, and relates to the technical field of stamping dies, the automatic feeding progressive stamping die comprises a base, a top seat, an upper die and a lower die, the top seat is arranged at the upper end of the base through a first air cylinder, the upper die is arranged below the top seat, the lower die is arranged above the base, and the upper die and the lower die are correspondingly arranged up and down; the upper die and the top seat are detachably arranged, the lower die and the base are detachably arranged, the upper die and the lower die are of the same detachable structure, a plurality of side plates are arranged on the side edge of the lower die and clamped with the lower die, and assembling grooves are symmetrically formed in the upper portion of the base. An inserting block matched with the assembling groove is arranged below the lower die, a side groove is formed in one side of the assembling groove in a communicating mode, and an inserting shaft matched with the inserting block is arranged in the side groove in a sliding mode. Through the simple and convenient disassembly structure of the upper mold and the lower mold, the labor force of workers for replacing the molds is greatly reduced.

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 utility model discloses a stamping progressive die for a rear bracket of an automobile seat, which belongs to the field of automobile part manufacturing and comprises a lower die mounted on a machine table and an upper die mounted at a movable end of a stamping machine. The lower die comprises a progressive die base and a lower base plate which is fixedly installed at the bottom of the die base and used for being connected with a machine table, and a punching hole, an edge cutting hole, a bending groove and a cut-off groove are sequentially formed in the top face of the die base from the feeding end to the discharging end. The upper die comprises a tool apron and an upper padding plate which is fixedly installed on the top of the tool apron and used for being connected with the movable end of a punching machine. According to the automobile seat rear bracket stamping progressive die, through integrated continuous machining, the transfer, calibration and waiting time of materials among different stations is shortened, the machining efficiency is remarkably improved, the whole machining process is completed in the die, human intervention and errors are reduced, the size precision and consistency of products are improved, and therefore the yield is increased.

The present invention discloses a sheet metal progressive stamping die, specifically comprising: a base plate, an outer surface of the base plate is fixedly connected to a side platform, the top of the side platform is fixedly connected to a blanking mechanism, the top of the base plate is evenly fixedly connected to a hydraulic rod, the top of the hydraulic rod is slidably connected to a top cover through a bottom groove, the bottom of the top cover is fixedly connected to a sinking platform, the bottom of the sinking platform is rotatably connected to a limiting mechanism, and the bottom of the sinking platform is fixedly connected to a fixed platform, relating to the sheet metal stamping field; a blanking mechanism, a limiting mechanism and a management mechanism are respectively arranged inside the sheet metal stamping equipment, a deformation structure for the workpiece and a stamping structure are added inside the equipment, and the two are used in combination to accelerate the processing efficiency of the sheet metal parts, and a blanking and a neat structure for the sheet metal parts are also provided inside, the blanking speed is fast, and the processing efficiency of the mechanism is greatly improved. On the other hand, the internal structure of the equipment is relatively flexible, which is convenient for disassembly and replacement, thereby improving the service life of the equipment.

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 invention relates to the technical field of progressive dies, in particular to a progressive stamping die for automobile parts, which comprises a lower die device and an upper die device. The lower die device comprises a lower die concave plate; the lower die concave plate is provided with a linear guide hole extending in the feeding direction. A punching position is arranged at the feeding end of the linear guide hole; punching female dies are movably arranged on the two sides of the punching position. A plurality of guide material moving units are arranged on one side of the lower die device; the multiple guiding and moving units are sequentially arranged in the feeding direction at equal intervals and all matched with the linear guiding holes. The upper die device comprises an upper die convex plate; the upper die protruding plate is provided with a punching head located over the linear guide hole and a plurality of ejector rods. The punching head is located over the punching position. The plurality of ejector rods correspond to the plurality of guide material moving units one by one; the punching head and the punching female die are matched to punch a material guiding through hole in the material belt. The guiding and material moving unit is configured to intermittently drive the material belt to move by a certain distance in the direction of the linear guiding hole through the material guiding through hole. And the machining precision and the product quality of the automobile parts are improved.

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 utility model discloses a double-row high-speed progressive stamping die for stators and rotors of automobile driving motors. The double-row high-speed progressive stamping die comprises a die body. The device further comprises an auxiliary working table plate and a mold fixing plate. The die body is of a sectional structure and consists of a front-section die and a rear-section die; the front-section mold and the rear-section mold are fixedly mounted on the auxiliary working table plate; the auxiliary working table plate is mounted on the mold fixing plate; positioning guide holes are formed in the front section mold and the rear section mold; a positioning guide column is arranged on the auxiliary working table plate; a plurality of machining forming areas are arranged on the die body, each machining forming area is used for machining one procedure, two same machining stations are arranged in each machining forming area, and the two machining stations are arranged in a staggered mode. According to the utility model, the utilization efficiency of material entering the die is improved, the defect that the machining length of the existing die body is limited is overcome, and the requirement of progressive punching of multiple stations of stators and rotors of automobile driving motors is 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 present application discloses a stamping device and a stamping method, which relates to the technical field of valve plate stamping equipment. The stamping device includes an upper stamping die set, a lower stamping die set and a guide mechanism, wherein the upper stamping die set is provided with a punching hole punch, a pre-punching punch, a reverse concave upper die, a front concave punch, a fine stamping punch and a blanking punch in sequence; the lower stamping die set is provided with a corresponding concave die, and structures such as a contoured support convex part and a chamfering component are added. In addition, the upper and lower stamping die sets also include a variety of auxiliary components such as a discharge spring assembly, a guide pin, etc., to ensure continuous progressive stamping with high precision and stability. The present application realizes efficient and accurate production of double concave valve plates through multi-station continuous processing, which significantly improves product consistency and production efficiency.

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.

The utility model relates to the technical field of dies, in particular to a cross-drive side punching structure of a stamping die. The problem that in a stamping progressive die, a driving block cannot be installed on a lower die frame through side stamping due to the space influence of front and rear material belts is solved. V-shaped driving blocks which slide in a matched mode are arranged below the two ends of the sliding block respectively, the V-shaped driving blocks are installed on driving bases respectively, and the driving bases are installed on the lower die frame. One end of the pullback hook is mounted on the driving seat, and the other end of the pullback hook is mounted on the sliding block; the punch is installed at the bottom of the sliding block, the knife edge is arranged below the punch, and the punch is installed on the knife edge fixing base. A guide rail is arranged at the top of the sliding block for guiding, the wear-resisting plate is installed at the top of the sliding block, and the sliding block check blocks are installed on the side faces of the front long edge and the rear long edge of the sliding block. The side punching driving blocks are installed on the two sides of the material belt, and the sliding blocks form a sliding block stretching across the two sides. The product is stable in structure and easy to process.

The utility model provides a progressive die forming mechanism for rivet production. The progressive die forming mechanism comprises a material belt, a punch forming assembly and a die core forming assembly. The material belt is provided with a plurality of to-be-stamped deformation areas in an extending mode. The punch forming assembly comprises a first punch piece, a second punch piece and a third punch piece. The mold core forming assembly comprises a first mold core part, a second mold core part and a third mold core part. The first punch piece and the first die core piece are aligned and punched, so that the top of the material strip in the corresponding to-be-punched deformation area protrudes out of a first deformation allowance convex part; and the second punch piece and the second die core piece are subjected to counterpoint punching, so that the first deformation allowance convex part is shrunk and deformed into a second deformation allowance convex part, the third punch piece and the third die core piece are subjected to counterpoint punching, so that a rivet cap of the sealing rivet is formed, and the rivet cap is connected to the material belt of the to-be-punched deformation area. Through progressive stamping deformation of the multiple stations, the stress in the to-be-stamped deformation area of the material belt has the opportunity to be released and distributed again, and therefore the residual stress level of the sealing rivet is effectively reduced.