147results about "Power hammers" patented technology

The invention discloses a radial forging machine chuck rotation oscillation braking electro-hydraulic control system and method, and the control system comprises a position detection encoder installed on a hammer head of a forging main machine, a hydraulic servo motion controller, a high-frequency servo valve, an oscillation braking oil cylinder with the same area as an A cavity and a B cavity, and an oscillation braking device with a worm gear and a worm. The pressure sensor and the displacement sensor are integrated on the oil cylinder to form a closed-loop control loop; the control method comprises the following steps: activating an oscillation braking function and collecting hammer phase, oil cylinder pressure and displacement signals in real time; a sine control signal synchronous with the forging frequency is generated based on the brake phase of 270-360 degrees; a brake oil cylinder is driven to push the worm to axially move, and the rotating speed of the chuck is modulated through the helix angle characteristic; and the amplitude is dynamically adjusted through a displacement-pressure feedback signal, and 25MPa overrun protection is executed. The purposes of reducing the brake response delay rate, the forge piece distortion rate and the equipment impact load are achieved, and 90-620 times / min wide-frequency-domain forging is supported.

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 discloses an automobile bumper forging device, and relates to the technical field of bumper processing, the automobile bumper forging device comprises a base, the top of the base is fixedly connected with a forging table, the top of the base is provided with a feeding mechanism used for moving a forged plate to a position above the forging table, and a pressing mechanism used for positioning the forged plate on the forging table is arranged above the forging table; the bottom of the forging table is provided with a jacking mechanism for jacking out a forged plate, the bottom of the base is provided with a servo mechanism for driving the feeding mechanism to move synchronously, and the forging table is internally provided with a blow-off mechanism for cleaning residues of the forged plate. And then the two supporting plates are far away from each other to fall the plate onto the forging table, so that the plate can be stably carried, damage such as scratching and deformation possibly caused in the manual operation process is avoided, the quality of the material is favorably kept, meanwhile, direct manual intervention is reduced, and the risk that workers are injured is reduced.

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 discloses forging equipment for a container body, which relates to the technical field of container manufacturing and comprises a forging table, an ejection mechanism for demoulding a hinge is arranged at the bottom of a die of the forging table, and a pushing mechanism for pushing the forged hinge away from the forging table is arranged in the middle of the forging table. A throwing mechanism for spraying a release agent is arranged in the material pushing mechanism, a pre-pressing mechanism for preventing the hinge blank from deviating is arranged at the top of the forging table, and a blowing-off mechanism for cleaning hinge blank residues in a mold is further arranged in the middle of the forging table. The ejection mechanism can automatically push the forged hinge out of a mold cavity during return stroke of the forging hammer, demolding can be conducted without manual knocking or auxiliary tools, equipment shutdown or operation delay caused by demolding difficulty due to mold sticking is avoided, on the basis of spraying a demolding agent, the ejection mechanism further guarantees smooth demolding, and the demolding efficiency is improved. And the method is particularly suitable for complex forgings under high temperature and high pressure.

The utility model discloses a crane connecting arm accessory forging device and relates to the technical field of accessory forging, the crane connecting arm accessory forging device comprises a forging machine and a workbench, the forging machine comprises a base, a supporting shell is welded to the end of the base, a forging hammer is movably connected to the upper portion of the supporting shell, and the forging hammer is connected with the workbench. An anvil block fixedly connected with the base is correspondingly arranged below the end, away from the supporting shell, of the forging hammer. The workbench comprises a forging table movably matched with the anvil block, a sliding clamping base is connected to the forging table in a sliding mode, and an automatic displacement assembly is further arranged on the side face of the forging table and is in transmission connection with the belt pulley. According to the device, a workpiece is placed on the placing table, the universal wheels arranged at the bottom of the placing table are used for pushing the workpiece to move below the forging hammer, a worker can conveniently move the crane connecting arm in the forging process, the positioning sliding rod can play a role in limiting, deviation in the moving process is prevented, and then the labor intensity is reduced.

The utility model discloses a ball valve forging device with high stability, which comprises a forging shell, a forging component and a limiting component, the forging component used for forging a ball valve is mounted on the outer wall of the rear side of the forging shell, the limiting component used for fixing the ball valve is connected to the inner side of the forging shell, and the limiting component comprises a mounting seat. The outer wall of the mounting base is connected with the inner wall of the forging shell, and a mounting groove and a spherical groove are formed in the top side of the mounting base. The second hydraulic cylinder, the telescopic rod and the clamping plate are arranged at the top of the fixing plate, after the spherical valve to be forged is placed on the inner sides of the spherical groove and the mounting groove, the second hydraulic cylinder is controlled, the telescopic rod drives the clamping plate to move towards the spherical valve, and the spherical valve is limited and fixed; and deviation of the ball valve caused by high impact force of the forging hammer in the forging process is prevented, so that the forging precision of the ball valve is reduced, meanwhile, waste of materials is reduced, and the cost is saved.

The invention discloses a silverware hammering device, and relates to the technical field of processing equipment, the silverware hammering device is characterized in that two through grooves are formed in a supporting table, the through grooves are formed in the length direction of the supporting table, and the through grooves are used for placing silver materials to be hammered. The hammering structure comprises a driving box, a supporting seat, a sleeve, a lifting rod, two hammer heads and a driving assembly, the supporting seat is arranged at the bottom in the driving box, a groove is formed in the top of the supporting seat, the sleeve is horizontally connected into the groove, the two ends of the sleeve are rotationally connected with the side wall of the groove, and the middle of the lifting rod is fixed to the side wall of the sleeve; the two hammerheads are hinged to the side wall of the lifting rod, two through holes are formed in the bottom of the driving box, the two hammerheads are arranged in the two through holes in a penetrating mode and located above the through groove, the driving assembly is provided with an output end, and the output end of the driving assembly is connected with the lifting rod. The silver material hammering device has the advantages that two or more silver materials can be hammered at the same time, time is saved, and the overall working efficiency is improved.

The present invention relates to the technical field of flange forging equipment, and discloses a large flange forging equipment and a forging method, which includes a supporting base, a forging hammer driven by hydraulic pressure is arranged on the supporting base, a forging support plate is arranged at the upper end of the supporting base, a forging top plate is slidably arranged on the forging support plate, a displacement mechanism for driving the forging top plate to rotate eccentrically is arranged on the supporting base, a protective purification mechanism for avoiding the splashing of impurities during the forging process by air flow is slidably arranged outside the supporting base, a pulse air supply mechanism for intermittently supplying gas to the protective purification mechanism as the positioning grooved wheel rotates is arranged inside the supporting base, and a plurality of gravity centering mechanisms for centering the flange are equidistantly arranged along the circumferential direction on the forging top plate. The present invention does not need to manually hold a rod to adjust the position of the forging flange raw material, has high operation efficiency, improves the protection ability for operators, improves the forging quality, and at the same time improves the protection ability for the forging hammer.

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 high-quality metal forging device comprises a frame assembly, the frame assembly comprises a bottom plate, a rack, a hydraulic machine, a hydraulic rod, a forging hammer and a bearing table, the rack is arranged on the upper side of the bottom plate, the hydraulic machine is arranged at the top end of the rack, the hydraulic rod is arranged at the bottom of the hydraulic machine, and the bottom end of the hydraulic rod downwards penetrates through the top of the rack to be connected with the forging hammer; a bearing table is arranged at the top end of the bottom plate. Through the innovatively designed material throwing mechanism and the stabilizing structure, many problems in the prior art are solved, the performance of the equipment is remarkably improved, and the service life of the equipment is remarkably prolonged. In the forging stage, the device effectively limits movement of the forging bottom plate in the horizontal direction and the vertical direction through precise cooperation of the wedge-shaped pressing block, the first stabilizing groove and the second stabilizing groove, and displacement or vibration caused by impact is prevented.

The invention discloses a rotor forge piece forging device which comprises a base, and a die is arranged at the top of the base; the forging mechanism lifts the hammerhead and then releases the hammerhead in a free falling manner, and the hammerhead freely falls to the blank on the die; the adjusting mechanism comprises a spring and an adjusting assembly, and the adjusting assembly is used for adjusting the initial elongation of the spring; when the hammer head rises, the spring is stretched based on the initial elongation to accumulate corresponding potential energy, when the hammer head freely falls, the stored energy of the spring is released, the hammer head is pulled to fall in an accelerated mode, and hammer forging of blanks on the die is achieved in a reciprocating mode. When different types of rotor forgings are replaced and different hammer forging forces are needed, only the initial elongation needs to be rotated and adjusted, and operation is easy and convenient.

The invention discloses a metal laser direct deposition synchronous forging device which comprises a fixing seat, a cladding head support arranged on the upper side of the fixing seat, a laser cladding head arranged on the cladding head support, a spring plate hinged to the lower side of the fixing seat and capable of turning over up and down along a fixed shaft, and a rigidity adjusting device of the spring plate arranged on the fixing seat. A mounting hole is formed in the middle of the spring plate, a hammer head support is mounted on the mounting hole, a hammer head connected with a laser cladding head is arranged on the hammer head support, a vibration motor is connected to the free end of the spring plate, and a vibration stabilizer is arranged on the vibration motor. The vibration stabilizer eliminates horizontal disturbance caused by vibration of the motor and keeps the stability of vertical vibration of the spring plate; according to the device, the rigidity of the spring plate can be easily adjusted, so that the forging movement stroke in the vertical direction is controlled, shaking in the horizontal direction is easily eliminated, and the forging stability is easily kept.

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 invention relates to the technical field of steel pipe forging, and discloses steel pipe forging equipment and a forging process thereof.The steel pipe forging equipment comprises a machining table, a bearing plate and a clamping forging mechanism, the bearing plate is slidably arranged at the top of the machining table, the clamping forging mechanism is assembled on the upper end face of the bearing plate, and an air cylinder is assembled on the back face of the clamping forging mechanism; the air cylinder is connected with the machining table. According to the steel pipe forging equipment and the forging process thereof, the transmission mechanism converts linear motion of the bearing plate into synchronous reciprocating motion of the suction head through a four-connecting-rod structure, it is guaranteed that the dust collection range covers the forging operation area all the time, the oxide skin removing efficiency is further improved, and the heat treatment procedure is combined with the normalizing and tempering process to optimize the material microstructure; and in the final finishing procedure, the appearance quality and the internal structure integrity of the product are comprehensively guaranteed through surface treatment and nondestructive testing.

The invention discloses a high-speed hammer forging device, and relates to the technical field of hammer forging equipment. The device comprises a rack, a working cylinder is arranged at the top of the rack, a working piston is slidably connected to the interior of the working cylinder, a hammer head is fixedly connected to the bottom of the working piston, the hammer head is composed of a hammer rod and a hammer disc, multiple sets of vertical swing grooves are annularly formed in the outer side of the hammer rod, and multiple sets of horizontal swing grooves are annularly formed in the top of the hammer disc; a vertical swing rod is hinged to the interior of the vertical swing groove, a horizontal swing rod is hinged to the interior of the horizontal swing groove, and the outer side of the hammer rod is sleeved with a hammer ring. Primary hammer forging is carried out through the hammer head, the hammer ring falls on the hammer disc under the action of gravity to carry out secondary hammer forging, and primary impact and secondary hammer forging are carried out, so that deformation can be more stable, and excessive deformation of a workpiece caused by overlarge single impact force is avoided. The double impact can control the impact force, so that the deformation of the forge piece is more uniform, and unnecessary stress concentration is avoided.

The present invention discloses a cylinder liner forging device, which belongs to the field of cylinder liner forging technology, including an anvil and a fixed frame installed on the upper end of the anvil, a hammer assembly for hammering is installed at the lower end of the upper side of the fixed frame, a replacement assembly is provided in the middle of the fixed frame, and a flip assembly is installed inside the lower side of the fixed frame. The flip assembly is used to flip the cylinder liner, and the flip assembly includes a rotating plate, and a sliding groove is provided at the end of the rotating plate away from the fixed frame, and a clamping assembly for clamping the cylinder liner is installed inside the sliding groove. The present invention can flip the workpiece to be processed by cooperating with the flip assembly through the provided clamping assembly, so as to avoid the safety hazard of material falling when the staff uses the clamps to flip the workpiece to be processed, and can also automatically drive the flip assembly to rotate through the driving rod and the elastic pawl when in use, so that the workpiece to be processed can be automatically driven to flip during use, which is simple and convenient to use.

The present invention discloses a hydraulic upsetting machine hammer head device, which relates to the field of upsetting machine hammer heads and includes a circular support. An angle adjustment component and an upsetting component are installed on the circular support. The angle adjustment component includes a rotating support rod, which is hinged to the first side of the circular support. The rotating support rod is equipped with an upsetting component, and the upsetting angle is adjusted by the rotation of the rotating support rod. The angle adjustment component in the present invention can adjust the upsetting angle according to requirements, which can not only be applicable to the processing of ordinary types of shafts, but also, when processing a tapered shaft, can perform front upsetting on the shaft, with more uniform force and better upsetting effect, improving the quality of the shaft. When processing a shaft with a shoulder, it can be measured through the first small vertical plate and the second small vertical plate. There is a drop between the position where the hammer head upsets and the second small vertical plate, and the drop can be seen through the position of the indicating scale on the second angle measurement plate, ensuring the accuracy of upsetting.

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 supporting roller forging device comprises a forging machine, a wide anvil used for containing blanks is arranged below the forging machine, a first cavity and a second cavity are formed in the wide anvil, the first cavity and the second cavity are communicated with each other and provided with a side pushing mechanism and a jacking mechanism respectively, and the side pushing mechanism and the jacking mechanism are communicated with each other. And the side pushing mechanism is in transmission fit with the jacking mechanism. The first motor is started to drive the rotating rollers to rotate automatically, the multiple rotating rollers rotate synchronously in the same direction at the same speed, the blank is driven to turn over the forging hammer face through friction force with the blank, the second motor is started to drive the threaded rod to rotate, and the threaded rod is in threaded fit with the cross plate to drive the annular frame to move transversely. The annular frame can drive the transverse pushing ball to rotate through meshing of the rack and the gear ring in the moving process, the transverse pushing ball drives the blank to transversely move through friction force between the transverse pushing ball and the blank, the forging hammer part of the blank is changed, and therefore the purpose of automatically replacing the forging hammer part is achieved, and the labor burden of workers is relieved.

The invention relates to an apparatus for material forming, by means of a tool (41) and a drive unit (2), the apparatus being arranged to move the drive unit (2) to provide kinetic energy to the tool (41), for the tool (41) to strike a work material (W), so as to form the work material (W), the apparatus being provided with an impact head (4″) between the drive unit (2) and the tool (41), and the apparatus being arranged to provide the kinetic energy to the tool by the drive unit (2) striking the impact head (4″), wherein at least a region of the impact head (4″) is allowed to move in relation to the tool (41) laterally to a direction of the stroke of the drive unit, whereby the impact head is arranged to expand laterally in relation to the tool. The invention also relates to a method for material forming.

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 belongs to the field of forging research experiments, and provides a turbine disc forging process simulation device which comprises a base, a forging hammer, a heating mechanism and a supporting seat. The forging hammer is arranged above the base, and a blank is arranged on the base; the multiple heating mechanisms are arranged in the annular direction of the blank; the heating mechanism comprises a linear sliding device and a heating device; the heating devices are installed on the linear sliding device, the linear sliding device is used for linearly moving the heating devices so that the heating devices can move towards or away from the blank, and the heating devices of the multiple heating mechanisms are evenly distributed around the blank; according to the utility model, the blank is immediately heated on the forging table, so that the heat loss in the blank transfer process can be avoided, the blank can be kept at a proper experimental temperature, the operation steps are reduced, and the temperature state of the blank can be kept in the forging experimental process.

The underlying invention relates particularly to a hydraulic forming machine (1), more particularly a forging hammer (1), for workpiece forming, comprising a hydraulic cylinder (4) for driving a ram (2) designed for workpiece forming, and a hydraulic circuit (8) designed for operation of the hydraulic cylinder (4), wherein the hydraulic circuit (8) has an actuating member (12) with an adjustably variable volume flow via which a first hydraulic working space (9) of the hydraulic cylinder (4) used to accelerate the ram (2) during the execution of a working stroke (A) for workpiece forming can be provided with hydraulic fluid. The hydraulic circuit (8) is designed to adjust and to vary the volume flow of the valve (12) or actuating member depending on a target speed (Vsoll) of the ram (2) to be achieved in an acceleration phase of a working stroke (A) and to optimise the subsequent movement phase.

The invention discloses a precision forging mechanism and a precision forging method thereof, and relates to the technical field of forging mechanisms, and the precision forging mechanism comprises a forging furnace, a forging mechanism, a cleaning assembly, a lifting sensing assembly and a master control system. The forging mechanism adopts a hydraulic telescopic cylinder to drive a hammering head, and dust is effectively isolated through a telescopic protective sleeve, so that a hydraulic system is prevented from being polluted and leaked. The cleaning assembly automatically blows away oxide skin and impurities on the surface of the forge piece through forging reciprocating motion, and the surface quality is improved. The lifting sensing assembly and the master controller cooperate to automatically recognize a blank temperature suitable section, the forging area is accurately controlled, and cracks generated at the low-temperature end during forging are avoided. The system also has real-time quality detection and alarm functions, and supports defect remelting and rerepairing. The mechanism has multiple functions of automatic forging, on-line cleaning, intelligent quality control and high-temperature protection, the consistency of forgings, the material utilization rate and the production efficiency are remarkably improved, and the mechanism is suitable for automatic precision forging production of high-precision forgings.

The high-stability forging hydraulic hammer comprises a rack, a power cylinder and a workbench used for placing a die material, the power cylinder is fixed on the rack, a hydraulic shaft of the power cylinder is connected with a hammer head, the hammer head corresponds to the workbench and is connected with the rack in a sliding mode, an installation groove is formed in the portion, close to the edge, of the workbench, and the installation groove is connected with the workbench in a sliding mode. An adjusting cylinder is fixedly connected into the mounting groove, an elastic rod is connected to the side wall of an adjusting shaft of the adjusting cylinder, a straight groove is formed in the inner wall of the mounting groove, the adjusting shaft is sleeved with a rotating sleeve, the rotating sleeve is rotationally connected into the mounting groove, an inclined groove is formed in the rotating sleeve, and the inclined groove is connected with the adjusting cylinder. The elastic rod penetrates through the inclined groove and is used for abutting against the inner wall of the inclined groove, and the rotary sleeve is connected with a supporting plate used for abutting against a mold material, so that the purpose of facilitating rotation of the mold material is achieved.