54results about "Power hammers" patented technology

The underlying invention relates particularly to a hydraulic forming machine, more particularly a forging hammer, for workpiece forming, comprising a hydraulic cylinder for driving a ram configured for workpiece forming, and a hydraulic circuit configured for operation of the hydraulic cylinder, wherein the hydraulic circuit has an actuator with an adjustably variable volume flow via which a first hydraulic working chamber of the hydraulic cylinder, used to accelerate the ram during the execution of a working stroke (A) for workpiece forming, can be provided with hydraulic fluid. The hydraulic circuit is configured to adjust and vary the volume flow of the valve or actuator, depending on a setpoint speed (Vsoll) of the ram to be achieved in an acceleration phase of a working stroke (A), and to optimize the subsequent movement phase.

The invention belongs to the technical field of forging equipment, particularly relates to a hollow variable-cross-section oil cylinder connecting piece preparation process and a forging device thereof, and aims to solve the problems of non-uniform blank stress, low punching efficiency, unsafety and inconvenience in blank taking in traditional forging. The technical scheme is as follows: a forging hammer drives a rack through a bearing plate, and a forging table rotates through a gear, a bevel gear ring and the like; the blank is uniformly stressed to finish upsetting; the electromagnet controls the pin rod to enable the nut block to rotate, and the push column is driven to move upwards to be matched with the forging hammer for punching. By means of the device, the blank can be evenly forged, automatic punching can be achieved, the blank can be conveniently taken out, the forging quality and efficiency of the hollow variable-cross-section oil cylinder connecting piece are improved, and the safety of workers is guaranteed.

The invention relates to the technical field of forged ball machining devices, in particular to a forged ball production device. Comprising an electric rotating platform located on the outer side of an anvil block, and three stirring mechanisms are evenly fixed to the rotating disc face of the electric rotating platform. The stirring mechanism comprises a bottom plate, the bottom plate is fixedly connected with a lifting plate above the bottom plate through a jacking electric cylinder, a bearing plate rotationally connected with the lifting plate is arranged on the side, facing the forged balls, of the lifting plate, a damping plate is fixed to the inner side of the bearing plate, contact plates are fixed to the damping plate, and each contact plate is provided with a ball arc-shaped supporting opening matched with the outer sides of the forged balls; a front shaft is arranged on the bearing plate, a rear shaft is arranged on the lifting plate, a wide belt is fixed to the rear shaft, the other end of the wide belt is wound into a circle shape and makes rotary contact with the front shaft, the rear shaft is connected with an output shaft of a motor through a coupler, and the motor drives the wide belt to be wound and unwound so as to drive the contact plate to rotate.

The invention relates to the technical field of pulverizer blades, in particular to pulverizer blade forging equipment which comprises a supporting seat, a supporting rod is fixedly connected to the surface of the supporting seat, a top plate is fixedly connected to the top of the supporting rod, a lower die is fixedly connected to the surface of the supporting seat, and a forging hammer is arranged at the top of the lower die. The forging hammer is located at the bottom of the top plate. An impact mechanism, a pushing mechanism and a jacking mechanism are arranged on the surface of the top plate; the impact mechanism comprises a rotating disc and a first connecting plate. A first rotating rod drives a rotating disc to rotate, a first connecting block and a movable rod rotate along with the rotating disc, a first movable groove is formed, the movable rod can drive a first connecting plate to vertically move on the inner side of a top plate, and then lifting of a forging hammer can be achieved; and through the lifting effect of the forging hammer, a workpiece on the lower die can be conveniently impacted, so that the crushing machine blade can be forged.

The utility model relates to the technical field of air forging hammer forging supporting, in particular to an air forging hammer forging supporting device which comprises a machine base, a forging hammer machine and a forging table are connected to the machine base, a mounting plate is arranged on the machine base in a sliding mode, a first driving mechanism is arranged on the machine base, and a first mounting base is connected to the mounting plate. A second mounting seat is connected to the first mounting seat, a rotating disc is rotatably connected between the first mounting seat and the second mounting seat, a rotating mechanism is arranged on the mounting plate, a first movable plate and a second movable plate are slidably arranged on the rotating disc, a second driving mechanism is arranged on the rotating disc, and grooves are formed in the first movable plate and the second movable plate; the grooves are located in the opposite side walls of the first movable plate and the second movable plate, and clamping plates are connected into the grooves and are right-angle plates. The supporting device has the function of solving the problems that a workpiece needs to penetrate through the space between the two clamping parts of the supporting device, so that operation of workers is inconvenient, and danger exists.

The invention discloses a precision forging device and a working method thereof, and relates to the technical field of precision forging devices.The precision forging device comprises a mounting rail, a feeding mechanism, a clamping assembly, a forging assembly, a cleaning assembly and a lifting sensing assembly. The feeding mechanism drives the blank to move and rotate in the forging furnace; the lifting sensing assembly detects the position of the blank, the forging mechanism is controlled to only forge the middle high-temperature area of the blank, and cracks in the end low-temperature area are avoided; the cleaning assembly automatically removes surface waste residues in the forging process. The alarm system monitors the forging quality in real time. Automatic and precise forging of blanks is achieved, the forging quality and the material utilization rate are remarkably improved, and the precise forging device has the advantages of being reasonable in structure, convenient and fast to operate, easy to maintain, wide in adaptability and the like and is suitable for precise forging production of high-precision metal parts.

This invention discloses a cable chain forging device, belonging to the field of hardware forging technology. It includes a base, with an auxiliary mechanism featuring a processing table mounted on the top of the base. The processing table is fixedly mounted on the top of the base. A flow-dispersing mechanism with a ring frame is located near the top of the base and the ring frame is rotatably mounted on the top of the processing table. A long plate is connected to the surface of the ring frame near the processing table, and multiple air nozzles for blowing and dispersing air onto the cable chain are connected to the surface of the long plate near the processing table. This invention uses a heating box and an air pump to deliver heat to the ring frame and blows air onto the cable chain on the processing table through the air nozzles on the long plate, providing a stable and suitable temperature environment for the cable chain. It can also more accurately maintain the temperature of the cable chain during the forging process, avoiding changes in material properties due to temperature fluctuations, thereby effectively ensuring the quality and precision of the cable chain forging and improving the mechanical properties and stability of the finished cable chain.

The utility model discloses a surface layer cleaning device in the shaft workpiece forging and pressing process, the shaft workpiece comprises forging and pressing hammer heads during forging and pressing, the bottom of each forging and pressing hammer head is provided with a base for driving the forging and pressing hammer head to do axial reciprocating motion, and the surface layer cleaning device is arranged on the forging and pressing hammer heads and covers the bases within the projection range. And the surface layer cleaning device is used for receiving the surface layer on the shaft workpiece and guiding the surface layer downwards. The surface layer cleaning device is arranged on the forging and pressing hammer head and covers the base within the projection range, so that oxide skin is prevented from falling between the forging and pressing hammer head and the base and entering the base, cleanliness between the base and the forging and pressing hammer head is guaranteed, stable reciprocating motion of the forging and pressing hammer head is kept, and the service life of the forging and pressing hammer head is prolonged. The forging and pressing quality of the workpiece is ensured; and too fast damage of a single forging and pressing hammer is relieved. And the surface layer cleaning device can continuously discharge the continuously accumulated oxide skin, so that the problem that the oxide skin is accumulated and covers the surface of the forging and pressing hammer due to excessive accumulated oxide skin on the surface layer cleaning device is avoided.

The utility model discloses a rotary swaging mechanism for tungsten alloy bars, and relates to the technical field of metal processing equipment. Comprising a processing seat which is provided with a drum, a positioning groove and a limiting frame, and a forging hammer part is arranged on the opening side of the drum. And the clamping part in the rotary drum forms an elastic clamping structure by utilizing an inserting barrel, a sliding rod, a clamping arc plate, an outer plate and an extension spring so as to clamp the tungsten alloy bar. The driving component adopts a speed reducing motor as a power source, and the rotating drum and the forging hammer shaft are driven to rotate through meshing transmission of an incomplete gear on a driving shaft and a first straight gear and meshing transmission of a third straight gear and a second straight gear. During operation, the gear motor drives the driving shaft, so that the rotating drum rotates to drive bars to rotate intermittently, and meanwhile, the forging hammer shaft drives the hammer to continuously forge the bars. Integration of a tungsten alloy bar rotating procedure and a forging hammer procedure is achieved through a single power source.

The invention discloses a metal forging system and method based on electromagnetic or mechanical driving and closed force flow. The system comprises a rigid force bearing frame, a power acceleration device, a kinetic energy hammer and a position recovery device, the power acceleration device is used for driving the kinetic energy hammer to impact a workpiece fixed on a frame forging station, and the force bearing frame is of a closed structure and is used for forming a closed-loop force flow by acting force and counter-acting force generated by forging impact inside; the position recovery device is configured in a transient pulse power mode or a continuous power mode to accommodate a microgravity or ground environment. The system may optionally be integrated with a scrap management unit. The problems of recoil force management, efficient reset, waste chip treatment and equipment light weight in space forging are solved.

The utility model discloses a five-part accessory forging device with a blank turn-over structure, and relates to the technical field of hardware accessory production, the five-part accessory forging device with the blank turn-over structure comprises a forging press, the forging press is mainly composed of a base, a rack and an object placing table, the rack and the object placing table are respectively fixed on the base, and the blank turn-over structure is arranged on the base. A driving mechanism is further arranged at the top of the rack, the end of the driving mechanism is fixedly connected with a forging hammer, and the forging hammer is located above the storage table; blank clamping mechanisms for turning over blanks and turnover drivers are further arranged on the two sides of the storage table, and the turnover drivers are symmetrically arranged on the two sides of the base through lifting supports; the servo motor drives the driving gear to rotate, the rotating disc is driven to rotate on the inner side of the lifting support through mutual meshing between the driving gear and the tooth groove, the rotating disc is matched with the blank clamping mechanism and the lifting air cylinder, automatic turning over of blanks is achieved, workers are prevented from being scalded by fallen metal broken materials, and safety is improved.

This invention relates to the field of forging equipment technology, specifically to a forging equipment and process for anti-rotation wire ropes for deck cranes. The equipment includes a rotating drum frame and a main rotating drum that is limited and installed within the frame. The main rotating drum is rotatable relative to the frame. An expanded diameter protrusion is provided on the main rotating drum, and forging hammers are inserted through the side wall of the expanded diameter protrusion. The expanded diameter protrusion and the forging hammers are in sealed contact. Through its structural design, this forging equipment requires only a rotating drive shaft to enable the forging hammers to perform high-frequency hammering on the wire rope. Furthermore, the hammering process automatically reverses direction during circumferential rotation, achieving comprehensive forging of the wire rope and fully releasing twisting stress.

The invention relates to the technical field of alloy forging, in particular to alloy workpiece forging forming equipment. According to the technical scheme, the forging machine comprises a rack, a forging base table and a shell, the forging base table and the shell are installed on the rack, a driving assembly and a forging assembly are arranged on the rack, and the forging machine further comprises a transmission assembly connected to the forging assembly; the guide assembly is arranged in the shell and is connected with the forging assembly through the transmission assembly; the mounting assembly is connected with the rack through a reset assembly and is movably connected with the guide assembly; the cleaning assembly is mounted on the mounting assembly through a rotating assembly; the air supply assembly is connected with the guide assembly and the cleaning assembly. The cleaning structure is driven in a linkage mode through the forging action, cooperative linkage of cleaning and forging operation is achieved, an additional power source is not needed, the structure is compact, the problem that oxide skin cannot be cleaned in time in the forging process is solved, and the forging quality and efficiency are improved.

The utility model discloses an ultra-fine grain semi-high speed steel cold roll blank forging device which comprises a forging machine frame, an air cylinder is fixedly installed at the top end of the forging machine frame, a base is integrally and fixedly installed at the bottom of the forging machine frame, anvil blocks are installed in the base at equal intervals in a sliding mode, and a hammer head is installed at the movable end of the air cylinder. An anvil block and a hammer head with specific sizes are selected according to the size of a to-be-machined cold roll, the anvil block slides to the position below the air cylinder along the interior of the base, the position of the anvil block is fixed, then the hammer head and the mounting plate are fixedly mounted, and when a cold roll blank is forged, the end of the cold roll blank is arranged in the shaping hole, so that the end of the cold roll blank is fixed. According to the cold roll forging device, the end size of a cold roll can be accurately forged, the forging efficiency of an ultra-fine grain semi-high-speed steel cold roll blank is improved, when cold rolls of different sizes are forged, proper anvil blocks and hammer heads are replaced, the cold rolls of different sizes can be forged, and the use range of the device is widened.

The present application relates to flange forging platform technical field, specifically is a kind of self-clamping transposition machine tool spindle flange forging platform and its transposition method, including the platform being arranged on the frame, the upper portion of platform is provided with holder, holder is provided with the forging hammer for being used to the flange of main shaft is forged, first spindle is rotatably arranged on the frame, first spindle is cooperated with holder by first linkage mechanism, first spindle rotates while driving holder vertically moves up and down to drive forging hammer vertically reciprocating moves up and down;Slot is rotatably arranged on the platform, a plurality of arc-shaped clamps are arranged on the slot at equiangular circumferential distribution, a plurality of arc-shaped clamps can be synchronized to expand or gather to clamp and fix the flange of main shaft placed on the slot, the present application adopts the way of circumferential clamping and can be fixed in all directions to workpiece, can be adapted to different diameter flange simultaneously, need not frequently change clamp, in addition, by intermittent automatic rotation workpiece, ensure forging quality, efficiency is high.

The utility model discloses a horizontal radial forging machine, which relates to the technical field of radial forging equipment and comprises a shell, a hammer seat and a hammer head, baffles are connected to two sides and the outer surface of the hammer seat, bolts penetrate through two sides of the baffles, threaded sleeves are fixed outside the bolts, and the top of the hammer head is respectively connected with a limiting block and a supporting block. Through the arrangement of the plug pin, the threaded sleeve, the limiting block and the supporting block, the limiting block and the supporting block are inserted into the hammer seat, then the plug pin transversely penetrates through the hammer seat, and the threaded sleeve is connected with the limiting block by rotating the plug pin so as to limit the limiting block, so that the installation operation is completed; the limiting block is matched with the supporting block to prevent the hammer from moving up, down, left, right and backward and falling off, the bolt is matched with the threaded sleeve to prevent the hammer from falling off forwards, and rapid installation is facilitated; during dismounting, the bolt is rotated reversely, so that the threaded sleeve is separated from the limiting block, and then the bolt is pulled out, so that the hammer head can be directly taken down from the hammer seat; the structure is simple, and dismounting is fast and convenient.

The invention belongs to the technical field of forge piece machining, and particularly relates to a forging process of a stainless steel high-complexity-coefficient forge piece, which comprises the following working procedures of blanking, heating, upsetting, pre-forging, finish forging, punching and trimming, heat treatment, shot blasting, flaw detection, surface treatment, inspection and warehousing, the temperature of the blank is controlled to be 1100-1150 DEG C; the upsetting procedure comprises pre-upsetting and secondary upsetting, in the pre-upsetting procedure, part of blanks are accumulated at the bottom, and part of cavities of the blanks which do not need to be upset are arranged on an upper die; in the pre-forging process, the draft angle of a pre-forging die is increased to 8-10 degrees, and the fillet radius is increased to 15-20 mm; in the finish forging process, a composite release agent of plant ash and nano silicon dioxide is spread on the surface of the forge piece before finish forging, the problems of insufficient mold filling, mold sticking scrapping, out-of-tolerance deformation and the like in traditional forging are solved, the qualified rate of finished products is greatly increased, and the method is suitable for large-scale production of the high-complexity-coefficient stainless steel forge piece.

The application discloses a kind of automobile bumper forging device, relating to bumper processing technical field, including base, base top fixedly connected with forging table, base top is provided with the feeding mechanism for moving the plate material to be forged to the top of forging table, the lower pressing mechanism for positioning the plate material to be forged on the top of forging table is arranged in the top of forging table, the plate material is ejected after being forged and is arranged in the bottom of forging table Jacking mechanism, servo mechanism is arranged in the bottom of base with the feeding mechanism synchronous movement is driven, blowing mechanism is arranged in the inside of forging table for cleaning the residue of plate material to be forged, by being provided with feeding mechanism, the plate material needing to be forged is conveyed to the bottom of forging hammer using two supporting plates, then two supporting plates are away from each other and the plate material is dropped on forging table, can smoothly carry plate material, avoid the damage such as scratch and deformation possibly caused in manual operation process, help to keep the quality of material, reduce artificial direct intervention simultaneously, reduce the risk of worker injury.

The utility model relates to the technical field of metal hammering, in particular to a hammering device for metal smelting processing, which comprises an air hammer body, a base, a limiting seat, a sliding structure and a clamping structure, the bottom of the base is fixedly connected with the limiting seat, the limiting seat is clamped with the bottom of the air hammer body, and the sliding structure comprises a threaded rod I and a supporting plate. The right end of the base is in threaded connection with a first threaded rod, the bottom of the supporting plate is fixedly connected with a sliding block, the top end of the base is slidably connected with the sliding block, the top of the supporting plate is fixedly connected with a hammering table, the clamping structure comprises fixing plates, and the left end and the right end of the top of the supporting plate are fixedly connected with the fixing plates; the fixing plate is in threaded connection with a second threaded rod, and the side, close to the middle, of the second threaded rod is rotationally connected with a clamping plate. The clamping device is provided with a clamping structure, workpieces of different sizes can be clamped, manual clamping by operators is not needed, errors caused by manual operation are reduced, and use is rapid and convenient.

The utility model provides pressurizing forging equipment for forging high alloy steel, and relates to the technical field of forging equipment. A forging box is fixedly connected to the surface of the workbench, a supporting frame is fixedly connected to the upper surface of the forging box, a forging hammer is installed on the surface of the supporting frame, axial flow fans are fixedly connected to the two sides of the forging box, and a treatment box is fixedly connected to the side wall of the forging box. The cleaning device is arranged on the side wall of the forging box and is used for cleaning the axial flow fan; and the collecting device is arranged on the side wall of the forging box and is used for collecting dust falling from the axial flow fan. By arranging the cleaning device, the cleaning effect on the axial flow fan on the pressurizing forging equipment is improved, the problems that a large amount of dust is attached to the axial flow fan, and abrasion and aging are caused are reduced, the position of the brush plate can be conveniently controlled, and the working efficiency of the pressurizing forging equipment is further improved.

A forging hammer machine comprises a forging hammer assembly, a feeding assembly and a rack, the forging hammer assembly and the feeding assembly are both arranged on the rack, and the feeding assembly is located on one side of the forging hammer assembly and used for combining a platinum ring arranged on a rubber tube in a sleeving mode with a rubber tube hammer; wherein the forging hammer assembly is provided with a plurality of hammer blocks, at least two hammer blocks are provided with arc-shaped holes allowing the rubber tube to penetrate through, at least part of the diameter of each arc-shaped hole is gradually decreased in the direction away from the feeding assembly, and the ratio of the maximum diameter of each arc-shaped hole to the minimum diameter of each arc-shaped hole is larger than or equal to 0.15. And less than or equal to 0.2.

The utility model discloses a hammering device for automobile part production, which comprises a hammering assembly, a driving assembly and a driving assembly, the protection assembly comprises a guide rail, a sliding block, a protection plate and glass; the guide rails are fixed to two sides of one end of the machine body, the sliders are slidably connected to the surfaces of the guide rails, the protective plate clings between the outer sides of the sliders, and the glass is clamped to the center of the outer side of the protective plate. Through the arrangement of the protection assembly, when a part is hammered, the sliding block slides downwards, so that the sliding block drives the protection plate and the glass to move to the outer side of the hammering table together, the protection plate and the glass are promoted to separate the hammering table from a worker, and when the part is hammered by the hammering device, the protection plate and the glass block splashes to the inner side, so that the hammering table is prevented from being splashed. And meanwhile, a worker checks the condition of the inner side of the machine body through glass, so that the situation that scalding splashes injure the worker without protective measures beside is prevented, and the worker is protected.

The invention belongs to the technical field of forging equipment, and particularly discloses high alloy steel material forging forming equipment which comprises a forging main machine, a forging table and a forging hammer are fixedly installed in the forging main machine, the forging hammer is arranged at the top of the forging table, and a discharging piece is fixedly installed on the outer wall of the forging main machine. A preheating heat preservation part is fixedly installed on the side, away from the discharging part, of the forging main machine, a control part is fixedly installed on one side of the preheating heat preservation part, the adjusting assembly is used for adjusting a workpiece blank and connected with the forging main machine and the forging table, and the feeding assembly is used for feeding the preheated workpiece blank. The feeding assembly is connected with the preheating heat preservation component. By arranging the adjusting assembly, the workpiece blank is clamped and fixed, the angle is adjusted, and the workpiece blank is turned over, so that the workpiece blank can be uniformly forged, the workpiece blank is prevented from deviating in the forging process, the precision of a forged and formed workpiece is prevented from being influenced, and the workpiece blank is prevented from being non-uniformly forged, and the strength of the forged and formed workpiece is prevented from being influenced.

The utility model discloses a high-strength gear forging device which comprises a base, a forging platen, a forging hammer, a connecting plate and a supporting plate. The forging platen and the forging hammer are sequentially arranged on the upper side of the right end of the base. The connecting plate and the supporting plate are fixedly connected with the upper side of the left end and the upper side of the right front end of the base respectively. A first hydraulic rod fixed to the lower portion of the forging table plate is mounted on the inner side of the right end of the base in an embedded mode, a clamping and fixing structure located above the left end of the base is arranged on the upper side of the forging table plate, and a turnover adjusting structure located on the left side of the connecting plate is arranged on the left side of the clamping and fixing structure. The forging hammer is provided with a cooling structure, and the cooling structure is arranged at the front upper end of the supporting plate. According to the high-strength gear forging device, a gear blank to be forged can be conveniently supported, clamped and fixed, the gear blank can be conveniently turned over, so that a gear is forged, the strength of the gear is high, the forging hammer can be conveniently cooled, and the situation that the service life is affected due to too high temperature is avoided.

The invention discloses a module combined type four-hammerhead radial forging machine. The module combined type four-hammerhead radial forging machine comprises a power unit, a semi-open type gearbox, a split type forging box and an executing mechanism. Through series connection design of half-open gear box unit tooth systems, one set of power input and four-shaft synchronous output can be achieved, a forging executing mechanism in a forging box is driven, and four-direction high-frequency radial forging is achieved. Due to the semi-open design, the convenience of installation, inspection and maintenance is improved; the unit box body frame of the forging box adopts a split nesting principle, so that compared with the traditional casting and welding box body, the processing difficulty, precision, quality and cost are effectively improved, and the operation and maintenance difficulty is reduced. And a telescopic heat insulation protection device is arranged, so that the guiding durability of the hammer rod is improved. In addition, rectangular threads are adopted for hammer rod connection of the forging executing mechanism, the position in the forging process is reliable, the meshing length can be adjusted, the forging range can be adjusted, and the application range is greatly widened.

An impact tool includes a cylindrical body having an internal chamber, a piston assembly positioned within the internal chamber, the piston assembly having a piston base and a piston rod, an adapter arranged on the cylindrical body and having external threads, and a location tip assembly having an opening and having internal threads couplable to the adapter by engaging the external threads relative to the internal threads to create a threaded connection, the threaded connection allows the location tip assembly to be moved axially to a selectable height. An impact tip coupled to an end of the piston rod. Upon introduction of pressurized air within the internal chamber, the piston assembly moves axially towards the adapter causing the impact tip to move axially through the opening towards a surface resulting in impact with the surface to be dented.

The utility model relates to the field of forging hammering technology, and disclose a kind of forging heat treatment hammering device, including base, the upper surface of base is fixedly connected with bearing table, base upper surface and located bearing table one side fixedly connected with shell, the top of shell is fixedly connected with oil cylinder, the output end of oil cylinder is fixedly connected with hammering hammer, the both sides of shell are all set with sliding mouth, two The sliding mouth in all slidingly connected with I-shaped sliding block, the opposite side of two The I-shaped sliding block is fixedly connected with connecting rod, and the one end of two The connecting rod is equipped with the protective cover for blocking splashing. The utility model can effectively intercept high-speed splashing debris, prevent it from splashing into the eyes or skin of operator, thereby effectively avoiding the operator being scalded or scratched, and adapting to different height forgings, while placing the forging before forging, the protective cover can be raised, enough space is left for operator.

The invention discloses a non-magnetic steel precision forging device and a forging process thereof, and particularly relates to the technical field of non-magnetic steel part forging, and the non-magnetic steel precision forging device comprises a base, a forging and pressing mechanism and a clamping mechanism. Through the arrangement of the heavy pressing mechanism, on one hand, when the number of times of forging and pressing reaches a threshold value, impact acceleration can be applied to the first piston piece through the impact piece, the instantaneous forging pressure of the hammer head is increased, heavy hammer machining of non-magnetic steel is achieved, the hydraulic oil flow can be adjusted in a self-adaptive mode, and it is ensured that the pressure of a system is stable when the first piston piece moves in an accelerated mode; and on the other hand, the heavy hammer which can be triggered before and after forging and pressing can compact and homogenize the material and shake off the oxide skin through impact before forging and pressing so as to improve the subsequent forging and pressing quality, and can promote lattice dislocation recombination and recovery of the material through impact after forging and pressing, so that the mechanical property and long-term structure stability of a non-magnetic steel forging and pressing area are remarkably improved.

The invention relates to the technical field of hot heading machining, in particular to a local forming device and technology for shaft rod hot heading machining, and the local forming device comprises a forging table, a rotating wheel disc, a clamping pier head and a vibration pier assembly. The rotating wheel discs are symmetrically arranged relative to the forging table and can synchronously rotate, the clamping pier heads and the vibration pier assemblies are arranged in a one-to-one correspondence mode in the circumferential direction of the rotating wheel discs, and continuous traction and conveying of shaft rod workpieces are achieved through rotation. The clamping pier head is guided by the inclined guide structure to radially clamp the shaft rod workpiece, and is matched with a section mold groove in the end part of the vibration pier assembly to locally form the shaft rod workpiece; the vibration pier assembly generates high-frequency vibration and impact in an electromagnetic driving mode, and vibration hot pier machining is conducted on the shaft rod workpiece in the clamped state. According to the technology, clamping, forming and releasing of the shaft rod workpiece can be completed in the continuous rotating process, dependence on large-tonnage static pressure equipment is reduced, the local forming efficiency is improved, and the technology is suitable for continuous and efficient hot heading machining of the shaft rod type workpiece.