129results about "Forging hammers" patented technology

The invention belongs to the technical field of forging machines, and particularly relates to an automatic metal part forging machine which comprises a base. The two ends of the top face of the base are both slidably connected with movable bases. A forging box is fixedly connected to the middle position of the top surface of the base; a through groove is formed in the end face of the forging box. A plurality of uniformly arranged connecting rods are slidably connected to the surface of the groove wall of the through groove; the ends, away from the forging box, of the connecting rods are fixedly connected with hammers. Connecting bases are installed in the storage groove and located on the two sides of the forging box. The sides, away from each other, of the two connecting bases are fixedly connected with electric push rods. The telescopic end of the electric push rod is provided with a supporting seat, the supporting seat is ejected to the bottom face of the workpiece through the electric push rod, and finally the supporting seat is supported to the surface of the workpiece, so that the height of the two ends of the workpiece is consistent, deflection is avoided, meanwhile, supporting can be provided for the middle of the workpiece, and the situation that the middle of the workpiece is bent due to the too long workpiece is avoided. And the final product quality is further influenced.

The invention relates to the technical field of shaft part machining, in particular to automobile lightweight motor shaft forging forming equipment which comprises a rack and a rotary clamp, a platform is further arranged on the rack, a rotary forging and pressing mechanism is arranged on the platform and provided with a forging and pressing opening, and an annular abutting face is arranged in the rotary forging and pressing mechanism. A forging and pressing head is arranged in the forging and pressing opening and provided with a forging and pressing end and an abutting end, protruding pieces are arranged on the annular abutting face, and the protruding pieces are arranged in the rotary forging and pressing mechanism, so that the protruding pieces can move in the radial direction of the forging and pressing opening while the forging and pressing head rotates in the circumferential direction of the forging and pressing opening, and when the forging and pressing head makes contact with the protruding pieces at different radial positions, the protruding pieces can move in the radial direction. The forging and pressing amplitude is adjusted according to the outline change of the convex part, multi-amplitude forging of the shaft blank is achieved, the rotating clamp can stably clamp the shaft blank and drive the shaft blank to rotate synchronously, it is ensured that all parts of the shaft blank can evenly bear forging pressure, and the problem that stress is uneven due to the fact that the forging and pressing amplitude is fixed in traditional equipment is solved.

The invention discloses a preparation method of an ultra-fine grain Ti-Zr alloy bar. The preparation method comprises the following steps: a, smelting: mixing and smelting titanium sponge, zirconium sponge and zirconium dioxide to obtain a cast ingot; b, heating the cast ingot to 1000-1050 DEG C, and forging the cast ingot into a bar billet through upsetting and drawing; c, the bar blank is heated to 800-850 DEG C, and the bar blank is subjected to radial forging; d, the bar blank is heated to 600-700 DEG C for the first time and forged in the Z direction; second heating is conducted to 600-700 DEG C, and forging is conducted in the X direction; third heating is conducted to 600-700 DEG C, and forging is conducted in the Y direction; e, the bar blank is heated to 400-500 DEG C, and hot rotary swaging is conducted; f, cold rotary swaging is conducted, specifically, the bar blank is annealed at the temperature of 300-400 DEG C, and then cold rotary swaging is conducted; and g, the bar is subjected to annealing treatment at the temperature of 400 DEG C to 500 DEG C, and the ultra-fine grain Ti-Zr alloy bar is prepared. According to the method disclosed by the invention, the ultrafine grain Ti-Zr alloy bar with small diameter and high strength is prepared, and the industrial application of the implant can be realized.

The invention discloses a bearing ring forging die and relates to the field of forging, the bearing ring forging die comprises a bottom die mounted on a forging machine body, a forging hammer corresponding to the bottom die is arranged on the forging machine body, a base located below the bottom die is mounted on the forging machine body, a die cavity is formed in the bottom die, a circular groove is formed in the bottom of the die cavity, and a bearing ring is arranged in the circular groove. The inner side face of the circular groove is slidably connected with a groove expanding top seat, a vertical groove is formed in the groove expanding top seat, the inner side face of the vertical groove is slidably connected with a grooving top seat, and the mold cavity, the groove expanding top seat and the grooving top seat are concentrically arranged. According to the bearing ring forging die, through mutual cooperation of the bottom die, the groove expanding top base, the grooving top base and the synchronizing mechanism, the bearing ring can be rapidly formed in the die forging process, in the forming process, the upper stress and the lower stress of a blank are uniform, and therefore high-efficiency and high-quality preparation of the bearing ring can be effectively guaranteed.

The invention belongs to the technical field of automobile part machining, and particularly relates to a forging and pressing machining device for automobile parts, the forging and pressing machining device comprises a base, a sliding frame, a positioning type hammering mechanism and a pressure energy type sound blocking mechanism, the sliding frame is arranged on the upper wall of one end of the base, and the positioning type hammering mechanism is arranged on the base; the pressure energy type sound blocking mechanism is arranged on the side wall of the positioning type hammering mechanism, and the positioning type hammering mechanism comprises a guide mechanism, a sliding mechanism, a limiting mechanism and a punching and forging mechanism. According to the forging and pressing machining device for the automobile parts, noise generated by blank forging can be weakened, and the probability that a hearing system of an operator is injured by the noise is reduced.

A forging unit of a rotary swaging machine for forming complex parts with large length-diameter ratios comprises a box body structure, a driving motor is connected to the upper portion of the box body structure, and the driving motor is connected with a forging mechanism in the box body structure; the forging mechanism comprises two rows of roller retainers, four mushroom heads are arranged in each of the two rows of roller retainers, and a synchronous retainer is arranged between the two rows of roller retainers to realize synchronous movement; the method can realize processing and forming of complex parts with large length-diameter ratio, and has the advantages of low cost, high efficiency and high performance.

To provide a stamping processing tool capable of easily processing a coin or the like formed with an uneven pattern with a simple mechanism, and a processing method of the stamping processing tool.SOLUTION: A stamping processing tool 1 according to the present invention includes: a head part 20 having one end to which a striking part 10 is detachably attached; a handle part 30 fixed to the head part 20; and a pair of mold members 40a and 40b forming an uneven pattern in at least one surface of a workpiece 2. The head part 20 is formed with a storage part 21 storing the workpiece 2 in a state of being held by the mold members 40a and 40b. The striking part 10 is attached to the head part 20 in a state of being in contact with stored one mold member 40b.SELECTED DRAWING: Figure 1

The invention discloses an input shaft gear forging device and method for a new energy automobile, and relates to the technical field of intelligent forging device.The forging device comprises a bottom frame, a control machine box, a steering conveying belt, a cut-off machine, an electric hydraulic hammer machine, a finish forging mechanism, an electric control sliding table and a multi-shaft mechanical arm; the control case, the steering conveying belt, the cut-off machine, the electro-hydraulic hammer machine, the portal frame, the bottom plate and the electric control sliding table are all fixedly connected with the bottom frame, the multi-axis mechanical arm is fixedly connected with the electric control sliding table, and the steering conveying belt, the cut-off machine, the electro-hydraulic hammer machine, the finish forging mechanism, the electric control sliding table and the multi-axis mechanical arm are all connected with the control case through electric signals. Cutting-off, heating, rough forging and precision forging of the gear piece are automatically completed, partition forging and pressing are conducted on the upper surface of a rough blank for multiple times of fine adjustment, the flash phenomenon of stamping and hammer forging is eliminated, the deformation speed and pressure of the rough blank are improved, it is guaranteed that a die cavity is filled with metal, and the forging efficiency and quality are greatly improved.

Rotary forging equipment for forming large-size variable cross-section parts comprises a lathe bed, one side of the lathe bed is connected with a forging unit, the other side of the lathe bed is connected with a feeding mechanism, and the feeding mechanism and the forging unit are matched to achieve rotary forging. Two rows of roller retainers are arranged in the forging unit, and four mushroom heads are arranged in each of the two rows of roller retainers to realize synchronous movement; large-size variable cross-section parts can be machined, product forming is guaranteed, inherent defects of a welding process can be avoided, and the production efficiency of products is improved.

The invention discloses a rotary swaging die machining device and method, and belongs to the field of die machining. The mounting plate is fixedly connected to the upper end of the base; the workbench is fixedly connected to the upper end of the base; the mold is placed in the middle of the workbench; and a lifting rod is arranged at the top of the inner side of the mounting plate. In the descending process of the lifting rod, through cooperation of a plurality of components, the push plate can smoothly drive the moving rod, then the insulating rubber ball below the elastic film is compressed, vibration of the mold during machining is effectively relieved, reduction of the machining precision is avoided, the contact area of the elastic film and the mold is enlarged by compressing the rubber ball, and the machining precision is improved. The vibration of the mold is effectively relieved, the machining process is more stable, the machining precision and stability are improved, meanwhile, the friction degree between the edges of the two sides of the lower end of the mold and the elastic film can be reduced, and the service life of the elastic film is prolonged.

The invention discloses a blank forging device for gear production. The blank forging device comprises a rotary transfer matching device, a stamping operation component and a forging hammering component. The invention belongs to the field of blank forging, and particularly relates to a blank forging device for gear production. According to the invention, the rotary transfer matching component is provided to realize the insertion, transfer and rotation of the blank so as to cooperate with the hammering work of the forging hammering component on the blank, and the rotary angle between the vertical moving component and the stamping insertion component is controlled through the rotary contact between the transfer ring piece and the induction ring piece, so that the stamping efficiency is improved. The linkage opening of the stamping operation component and the forging hammering component is controlled to adapt to the stamping position of the stamping component on the blank and the forging hammering position of the forging impact component on the blank, gear holes of the blank are reserved, meanwhile, manual operation, transferring and overturning of the blank are avoided in the process, manual operation is simplified, the operation process is standardized, and the work efficiency is improved. Operation time consumption of blanks is shortened, and working efficiency is improved.

The utility model discloses a train wheel forging support with a cleaning structure, which belongs to the technical field of train wheel processing, and is characterized in that the train wheel forging support comprises a base and a forging table, support legs are fixedly connected between opposite sides of the base and the forging table, and the front side of the top of the base is fixedly connected with a collecting assembly. Side plates are fixedly connected to the two sides of the top of the forging table correspondingly, the cleaning assembly is arranged, an electric push rod can drive a moving plate and a cleaning scraping plate to move, the cleaning scraping plate can drive train wheel scraps on the top of the forging table to move together when moving, and therefore the scraps can be cleaned; according to the waste chip cleaning device, the cleaned waste chips can fall into the drawing box in the collecting bin, so that the waste chips can be collected in a centralized mode, and due to the fact that clean water is arranged in the collecting bin, the waste chips with the high temperature can be cooled, the situation that workers are hurt by the high-temperature waste chips is avoided, and the cleaning effect is further improved.

The utility model discloses a heat dissipation type cold heading machine, including a support foot, a main body mechanism is installed at the top of the support foot, a transmission rod is installed at the bottom of a roller, a limiting structure includes a mounting frame, a lifting plate, a guide wheel, a threaded rod, a guide rod, a mounting block, a second spring and a brush, and the mounting frame is installed at the top of a workbench. The utility model is provided with a mounting frame installed at the top of the workbench, the mounting frame and the lifting plate are connected by a threaded rod and a guide rod, the threaded rod and the mounting frame are threadedly connected, the threaded rod can be screwed to drive the threaded rod to rise and fall, the threaded rod can be lifted and lowered to drive the lifting plate to rise and fall, the lifting plate can be lifted and lowered to drive the guide wheel to rise and fall, the guide wheel can be pressed on the material to be processed, the guide wheel can be rotated, the guide wheel can limit and guide the material, and the guide rod can guide the lifting and lowering of the lifting plate, so as to achieve the purpose of the cold heading machine to facilitate the limit and guide of the material to be processed.

The invention relates to a forming tool (46) for a forming tool arrangement (12) for the multi-stage production of a cylindrical workpiece with a spiral outer contour by rotary swaging, comprising a force application side (62), a forming side (64) opposite the force application side (62) and a cam structure (70) formed on the forming side (64). The cam structure (70) has a first forming cam (72; 72a, 72b) and a second forming cam (72; 72a, 72b) which are arranged one behind the other in a longitudinal direction (74) of the forming tool (46) perpendicular to the forming direction (58), wherein the forming cams (72; 72a, 72b) have different cam heights (116) and the forming cams (72; 72a, 72b) have a cam direction (94) in an orthogonal view on the forming side (64) which is inclined to the longitudinal direction (74) of the forming tool (46).The invention also relates to a forming tool arrangement (12), a forming machine (10), a forming process and a computer program.

The present application relates to the field of aluminum forging forging manufacturing, particularly to a kind of aluminum forging forging press and forging method, including anvil and hammer seat, four corners of the anvil are all fixed with vertical slide rod, the upper end of vertical slide rod is fixed with hydraulic mechanism, the hammer seat is slid through four vertical slide rods and is fixedly connected with the lower end of hydraulic mechanism, the anvil upper end front and rear direction is equipped with semicircular groove, semicircular groove is matched with semicircular seat rotation.The present application includes S1, the plane of semicircular seat is in the same plane with the upper end surface of anvil;S2, aluminum alloy blank is placed in semicircular seat and the upper end surface of anvil, the hammer seat is controlled to slide down by hydraulic mechanism, and the forging of aluminum alloy blank is formed;S3, semicircular seat is controlled to rotate on anvil, the upper end surface of anvil and the plane of semicircular seat form height difference, and aluminum alloy blank is turned over using this height difference, then semicircular seat is rotated again, and forging is carried out again.The present application is convenient for turning over aluminum alloy blank during forging.

The invention relates to the technical field of punching machines, and discloses a toggle type transmission punching machine which comprises a machine rack, a driving box is fixedly installed at the top of the machine rack, a connecting rod is rotationally connected to one side of the interior of the machine rack, the two ends of the connecting rod abut against the side wall of the machine rack, cams are fixedly connected to the two ends of the connecting rod, and one end of each cam is in swing connection with a punching hammer. A bottom die is fixedly installed at the bottom of the machine rack, a rocker arm is rotationally connected to the middle of the connecting rod, an inner ring is rotationally connected to one end of the rocker arm, a driving handle is rotationally connected to the middle in the machine rack, and a first gear is connected to one end of the driving handle. The rocker arm is rapidly pushed towards the direction of the connecting rod, so that one end of the cam rapidly pulls the punch hammer to ascend, the punch hammer is in a slow speed when falling down and in a rapid speed when ascending, the quality control quality of products is effectively improved, and burrs are reduced.

The invention discloses a small-aperture thick-wall metal tube and a preparation method thereof. The cross-sectional diameter of the metal tube ranges from 30mm to 160mm, the dimensional accuracy is ±0.2mm, and the ratio of the outer diameter of the metal tube to the wall thickness of the metal tube is greater than 2 to less than or equal to 20. The inner wall and outer wall of the metal tube are free of peeling, dents, or cracks. The metal tube is made of steel, copper, aluminum, magnesium, titanium, or alloy. The invention has the characteristics of forging and rolling, can realize single pass and large deformation amount processing of the metal tube blank, and has the advantages of short process flow, high product dimensional accuracy (±0.2mm), good quality of the inner wall and outer wall surface, and low cost.

The present invention relates to a method for manufacturing a rotor shaft (1), in particular a rotor shaft (1) for an electric motor, comprising at least the following steps: (S1) providing a metallic solid bar section as pre-material (V) extending along an axis (X), (S2) bulk forming of the pre-material (V) by extrusion to produce a cup body (N) consisting of a hollow cylindrical side wall section (S) extending axially along the axis (X) and radially circumferentially surrounding an interior space (I), with a hollow cylindrical cross-section unchanged along the axis (X), and a transverse wall section (Q) spanning the interior space (I) radially across the side wall section (S) at an axial position along the axis (X).(S3) Removing the transverse wall section (Q) from the side wall section (S) by a separation process to produce a hollow cylinder body (H) formed (solely) by the side wall section (S), and (S4) rotary swaging of at least one axial section (A) of the hollow cylinder body (H) as seen along the axis (X) to produce the rotor shaft (1). The present invention further relates to a rotor shaft produced according to the method of the invention.

The invention relates to a chain link (1) for a link chain (2), the chain link (1) having two limbs (4, 5) running parallel to one another which are connected to one another at their ends via rounded portions (6, 7). The limbs (4, 5) and the rounded portions (6, 7) of the chain link (1) are circular in their respective cross sections (8, 9, 10, 11), the limbs (4, 5) having smaller cross-sectional areas (8, 9) as compared to the cross-sectional areas (10, 11) of the rounded portions (6, 7). The chain link (1) is produced by radial forging with the following method steps: - providing a profile bar (18), the profile bar (18) being formed of a steel material, - inserting the profile bar (18) into a radial forging machine (24) and performing a radial forging operation with a lengthwise reduction of the diameter (D18) of the profile bar (18), so that the profile bar (18) is axially oriented in the forged length portion, the diameter (D18) being reduced at least in the region of the later limbs (4, 5), - removing the radially forged chain link semi-finished product (19) and shaping to form a chain link (1) and welding terminal ends (23) of the shaped chain link (1).

The invention relates to a forging hammer, a machining method thereof and a precision forging machine. The forging hammer comprises a plurality of hammer heads, the hammer heads are used for being arranged in the circumferential direction of a machining station, the machining station is used for containing a to-be-machined workpiece, and the forging hammer is used for forging in the radial direction of the to-be-machined workpiece. Each hammer head comprises a base body transition layer forging layer. A groove is formed in the side, facing the machining station, of the base body. The transition layer is arranged at the bottom of the groove. The material of the forging layer comprises tungsten carbide, the forging layer is arranged in the groove, and the forging layer is arranged on the side, facing the groove opening of the groove, of the transition layer. The forging hammer has the advantages of being good in performance and high in durability.

The utility model relates to the technical field of forging processing, and discloses a forging device of a trunnion forge piece, which comprises a forging table, two material guide chutes are arranged in the forging table, and top channel openings of the two material guide chutes are positioned on the top plane of the forging table; two mounting grooves are formed in the forging table, and a collecting box with an upward box opening is mounted in each of the two mounting grooves; the two collecting boxes are in one-to-one correspondence with the two material guide chutes, and a bottom chute opening of each material guide chute is communicated with the corresponding collecting box; a scraping plate is slidably mounted on the top table top of the forging table, and top channel openings of the two material guiding chutes are located on the sliding track of the scraping plate. A movable seat is mounted at the top of the forging table, and a clamping and overturning assembly is mounted on the movable seat; a power piece for driving the movable base to move up and down is installed on the forging table, and the scraper is in transmission fit with the movable base through a linkage assembly. Manual participation is not needed, the automation degree is high, meanwhile, the safety risk is reduced, and the machining efficiency is improved.

The present application belongs to the field of metal forging forming, and particularly relates to a four-hammer-head bidirectional synchronous / one-way synchronous bidirectional asynchronous self-centering forging device. The upper hammer head of the device is fixed on an upper anvil seat capable of reciprocating up and down. The left and right hammer heads are positioned by a curved rhombic pin and X-shaped distributed sliding blocks, and can slide relatively along the sliding block inclined surface under the action of a driving mechanism. The upper and lower hammer heads and the left and right hammer heads are separately grouped, and each moves along the horizontal direction and the vertical direction. The tensile spring between the left and right hammer heads and the cross beam cooperates with the upper anvil seat to drive the four hammer heads to perform reciprocating synchronous retreat movement. Further, the angle of the contact surface of the hammer head and the sliding block is changed to realize the bidirectional synchronous / one-way synchronous bidirectional asynchronous movement of the four hammer heads. The device can simplify the structure of the existing four-hammer-head forging device, realize self-centering of the device during the forging process, realize the forming of various specifications of blank by adjusting the contact angle of the device, and is suitable for the forging of non-ferrous metals and precious metals with poor plastic forming.

This invention relates to the field of steel forging technology and discloses a forging and forming apparatus for steel processing, including a forging unit. The forging unit includes a support frame, and a tilting table is disposed inside the support frame. A first forging hammer and a second forging hammer are symmetrically mounted on the tilting table. A switching unit includes a dual-axis motor installed inside the support frame and a bushing with bearings connected to the support frame. When the dual-axis motor is driven to rotate, the bushing is controlled to rotate via a belt pulley transmission mechanism, thereby controlling the rotation of the tilting table. This invention, by setting up the switching unit, realizes the alternating operation of the first and second forging hammers. When one hammer is working, the other hammer has time to cool and recover, avoiding excessive wear and thermal damage caused by prolonged continuous operation of a single hammer, thus effectively extending the service life of the hammers.

According to the technical scheme, the forging and pressing positioning tool for automobile hardware production comprises an anvil block and a stamping end, a positioning bridge is arranged at the top end of the anvil block, a pair of sliding frames are connected to the positioning bridge in a sliding mode, a pair of pushing blocks are connected to the sliding frames in a sliding mode, and clamps are connected to the sides, close to each other, of the pushing blocks; a second fixing frame is installed at the top end of the positioning bridge, a first fixing frame is arranged at the top end of the second fixing frame, surrounding cloth is installed between the second fixing frame and the first fixing frame, air bags are connected to the two sides of the anvil block, and the bottom ends of the air bags are connected with lifting rods. Through rotation of a pair of telescopic rods, a stamped and forged metal block is rapidly pushed out, a new metal block is automatically fed, an abutting wheel slides along a positioning bridge, a clamp is driven to automatically clamp and position the metal block, operation is convenient, surrounding cloth can effectively slow down heat loss of the metal block, meanwhile, chippings are prevented from splashing, and the service life of the metal block is prolonged. The air bag sucks waste gas for centralized treatment, and environmental pollution is avoided.

The invention relates to a chain link (1) for a link chain (2), the chain link (1) having two legs (4, 5) which run parallel to one another and which are connected to one another at the ends by means of arches (6, 7). Each of the legs (4, 5) and the arch (6, 7) of the chain link (1) has a circular cross-section (8, 9, 10, 11), the cross-sectional area (8, 9) of the legs (4, 5) being smaller than the cross-sectional area (10, 11) of the arch (6, 7). The invention relates to a method for producing a chain link (1) by means of radial forging, comprising the following steps: providing a profiled bar (18), said profiled bar (18) being made of a steel material; inserting the profiled bar (18) into a radial forging machine (24) and carrying out radial forging by reducing the diameter (D18) of the profiled bar (18) length by length in such a way that the profiled bar (18) is axially stretched over the forging length, the diameter (D18) being reduced at least in the region of the subsequent legs (4, 5); the radially forged chain link semi-finished product (19) is removed and formed into a chain link (1), and the end face (23) of the formed chain link (1) is welded.

The utility model relates to electro -hydraulic hammer technical field discloses a kind of electro -hydraulic hammer with protective device, including installation base, fixed assembly and forging table are provided on the installation base, the outside of the forging table is provided with protective assembly, the side, away from the forging table of the protective assembly, is provided with detection assembly, the side of the fixed assembly is provided with control center;In the utility model, by the protective assembly is set in the position with a certain distance from forging table, avoid the metal scrap that flies out in the forging hammering process and rebound on forging table after hitting protective shell, lead to the forging effect is poor;By setting detection assembly, whether there is staff standing outside protective assembly is detected currently, control center receives signal, control protective assembly adjusts, block metal scrap and fly out, avoid splashing to the face of staff, lead to staff injury, ensure the safety of personnel.

The present invention relates to the field of flange forging technology, and proposes a flange forging equipment and a forging method, which utilizes a filament winding forming method to realize flange manufacturing, and integrates the winding of the filament into the forging operation to realize the connection forming of the coiled filament, forming the flange while having high material utilization rate and good practicality. The invention comprises a forging mechanism and a blank strip, and also comprises a main stand and a winding mechanism. The winding mechanism comprises a sliding frame and a fixed frame. The fixed frame is fixedly connected to the top of the main stand. The fixed frame is rotatably connected to a driving guide wheel. A first servo motor is installed on the fixed frame. The first servo motor is used to drive the rotation of the guide wheel. The sliding frame is slidably connected to the main stand, and an electric telescopic rod is installed on the main stand. The telescopic rod of the electric telescopic rod is connected to the sliding frame. The sliding frame is rotatably connected to two positioning wheels. The two positioning wheels match the driving guide wheel to form an auxiliary bending operation of the blank strip. The main stand is rotatably connected to a center cylinder.

The present invention discloses a multifunctional integrated forging device, which belongs to the technical field of forging devices, including two symmetrically arranged groups of chains, multiple groups of first support plates and second support plates are connected between the two chains, the ends of the first support plates and the ends of the second support plates are both provided with sliders connected to the chains, and a forging table is provided between the two groups of chains; the second support plate can be deflected downward by the cooperation of the magnetic block on one side of the second support plate and the second magnetic strip, and the second support plate can be squeezed to a horizontal state by using a limit rod; when the first support plate falls into the strip groove, the forged workpiece can be lifted upward by the cooperation of the first support plate and the second support plate, which is conducive to taking the workpiece out of the forging table, and this structure is conducive to loading and unloading the workpiece, making the forging operation more consistent and efficient.

In order to improve medical clips, in particular in the form of aneurysm clips, it is proposed that the cone angle has a value of at least 10°. Additionally, an improved reforming tool, an improved reforming machine, and an improved method for manufacturing medical clips are proposed.

The utility model relates to the technical field of machinery, in particular to a four-hammerhead forging and pressing tool which comprises a four-hammerhead forging and pressing tool body, a fixing mechanism is arranged on the surface of the four-hammerhead forging and pressing tool body, a sedimentation mechanism is arranged on the surface of the four-hammerhead forging and pressing tool body, and the fixing mechanism comprises a first fixing plate. The first fixing plate is fixed to the surface of the four-hammer forging and pressing tool body, a first fixing block is inserted into the first fixing plate, and a second fixing plate is fixed to the bottom end of the first fixing block. According to the four-hammer forging and pressing tool, the first fixing plate and the first fixing block are arranged and matched with a second fixing plate and a rubber pad, the device is more convenient to fix, the diversity of the device in the fixing process is improved, the second fixing plate is clamped to the edge of a fixing face, then a first connecting rod is rotated, the fixing face is clamped by the second fixing plate, and the device is more convenient to use. And the stability and convenience of the device during fixing are improved, and the working efficiency of the device is improved.