52results about "Piercing presses" patented technology

An injection valve has a nozzle body, a valve needle positioned in the nozzle body, an actuator for actuating the valve needle, and an orifice plate fixed at an end of the nozzle body. The orifice plate has a valve seat for cooperate with the valve needle and an orifice for injecting a fluid. The orifice plate is provided with a projection having a convex-curved surface on an orifice outlet side of the orifice plate. A flat surface portion is formed in the area of the convex-curved surface, and the outlet of the orifice is located in the flat surface portion.

The invention discloses a full-automatic nut forging machine which comprises a forging bed, wherein a cabinet of the forging bed is provided with an upsetting station, a molding station, a punching station and a material receiving station; the forging bed is also provided with an upsetting mold, a shaping mold and a punching mold; the side edge of the cabinet is provided with a material receivingmachine and a heating furnace, a discharge pipe of the heating furnace is connected with a material receiving nozzle of the material receiving machine, the material receiving machine is also in movable butt joint with a material moving mechanism at the front end of the cabinet; the heating furnace is used for heating a nut blank; the discharge pipe is used for overturning the nut blank by 90 degrees; the material receiving machine is used for horizontally pushing the overturned nut blank to the butt joint position with the material moving mechanism; the material moving mechanism is provided with four material clamping components, drives the material clamping components to synchronously move, horizontally transfers the nut blanks/nuts on the butt joint position of the material receiving machine, upsetting station, molding station and punching station to the upsetting station, the molding station, the punching station and the material receiving station, and is matched with the forging bed to complete upsetting, molding, punching and material receiving.

A method is described for producing a cylindrical hollow body from a blank, with the workpiece being opened in the core region by successive swaging which is angularly offset against each other about the axis of the workpiece and being simultaneously pushed onto a piercing mandrel. In order to improve the piercing it is proposed that the workpiece is pressed during the swaging with a predeterminable axial force against the piercing mandrel which can be advanced against the workpiece against this axial force, which piercing mandrel is moved back to its initial position synchronous with the axial feed of the workpiece between the successive swaging steps.

The invention relates to a tool, in particular to a tool arranged on a press machine and used for forging a wind power flange blank and punching through a center hole. The tool for forging the wind power flange blank and punching the center hole on the press machine can adapt to various different flange plates, can clamp the flange plates and can quickly turn over the flange plates. The tool arranged on the press machine and used for forging the wind power flange blank and punching through the center hole comprises a bottom plate, supporting plates, a mounting plate and the like, the supporting plates are arranged at the eccentric position of the upper side of the middle of the bottom plate in a front-back symmetry mode, and the mounting plate is connected between the upper portions of the two supporting plates. The flange plate can be supported through the forging table, the first clamping plate and the second clamping plate can be used for rapidly taking out and placing the flange plate, the second air cylinder is started to enable the clamping block to clamp the flange plate, and the rotating connecting plate can be used for face changing operation of the flange plate.

The invention discloses an automatic forging centering device which solves the technical problem in the forging processing in the prior art, particularly in the center hole punching which requires operators to control centering manually according to experience. The device mainly comprises an upper punching component, a lower punching component and a centering component. The upper punching component comprises an upper punch, an upper rotation arm, an upper guide sleeve, a motor A, a rotary shaft sleeve A, a sliding shaft sleeve and the like; the lower punching component comprises a lower rotation arm, a lower punch, a lower guide sleeve, a motor, a rotary gear and the like, wherein the lower guide sleeve is fixed on an stand column of a hydraulic host through a bolt; the centering component comprises two clamp arms, two sets of hydraulic oil cylinders, one set of synchronous gear, a tile seat, a shaft, a lug seat and the like. The tile seat and lug seat are connected with a movable beam of the hydraulic host. As an accessory of a four-column forging hydraulic press, the device is mainly used for automatically processing products such as various flanges, center hole plates and the like, and is particularly suitable for cogging forgings with centre holes. The device can realize automatic continuous production without secondary heating.

The invention discloses processing equipment and a processing method for a gasification furnace body. The processing equipment is a multi-station side surface double-hole cold header, belongs to the technical field of cold headers and solves the problem that the gasification furnace body is produced by adopting a cold heading technique. The processing equipment comprises a machine body which is provided with a mold; the rear end of the machine body is provided with a crankshaft; one end of the crankshaft is connected with a motor through a belt bull wheel, wherein the motor is used for controlling the crankshaft to rotate; the crankshaft is provided with a connecting rod; the machine body is provided with a slider which is driven by the connecting rod; the machine body is provided with a double-hole stamping device which is used for stamping a product for formation; the double-hole stamping device is in transmission connection with the crankshaft; and the processing method realizes step-by-step processing by adopting the equipment; and a high-efficiency reliable production effect is achieved.

A punching apparatus comprises a tool holder unit (20) rotatable around a working axis (X) and provided with a plurality of seats (21) suitable for slidably housing respective punching tools (10), a beating element (2) movable along and around the working axis (X) and provided with an operating end (7) having a beating portion (8), to selectively interact with a set punching tool (10), first driving means (3) for moving the beating element (2) along the working axis (X) so as to move set punching tool (10) and second driving means (4) for rotating the tool holder unit (20) around the working axis (X); the operating end (7) of the beating element (2) comprises a first coupling element (9) and the tool holder unit (20) comprises a plurality of second coupling elements (22) each of which is associated with a respective seat (21) and arranged to couple with the first coupling element (9) in a connection configuration (F) in which the beating element (2) and the tool holder unit (20) are coupled and rigidly rotate; the second driving means (4) in a selection configuration (E) rotates the tool holder unit (20) for positioning the set punching tool (10) so that the latter faces the beating portion (8) of the operating end (7) and allows the first coupling element (9) to couple with the second coupling element (22) that is associated with the seat (21) of the set punching tool (10) and, in the connection configuration (F), rotates the tool holder unit (20) and the beating element (2) which are mutually connected for angularly orienting the set punching tool (10).

In the metal billet to be used for hot dilation forming, a forward side with respect to the pressing direction has a quadrate section and its diagonal length is not more than an inner diameter of a container. Moreover, a backward side with respect to the pressing direction has a circular section and its diameter is substantially same as the inner diameter of the container. The metal billet is heated to a temperature suitable for press working and is set into a container for press forming. While a center of a workpiece of the metal billet is being bored by a boring punch to be operated by a pressing machine, the metal billet is hot-dilated so that a bottomed container for a cask is formed.

A cold upset technology for manufacturing the axle sleeve blank of universal joint by use of a dedicated apparatus is disclosed. Said dedicated apparatus has a die case and a clamp for front punch rod. Said die case has die shell made of W steel, die core with internal cavity, and front and back punch rod. 1-4 dies are used.

The invention provides a multidirectional die-forging hydraulic press of a novel structure. The multidirectional die-forging hydraulic press comprises a lower cross beam, an upper cross beam and standcolumns. The lower cross beam is transversely arranged, and the upper cross beam is located above the lower cross beam and is parallel to the lower cross beam. One pair of stand columns is arranged and located between the lower cross beam and the upper cross beam, and the stand columns are vertically arranged and are parallel. The top ends of the stand columns are fixedly connected with the uppercross beam, and the bottom ends of the stand columns are fixedly connected with the lower cross beam. A main rack is formed by the upper cross beam, the lower cross beam and the stand columns. A movable cross beam is further included and located between the upper cross beam and the lower cross beam, and is parallel to the upper cross beam and the lower cross beam. A die assembling cylinder is mounted between the upper cross beam and the movable cross beam, and drives the movable cross beam to ascend and descend. A workbench is further included and mounted on the lower cross beam through a guide rail, the guide rail extends from the rear side of the lower cross beam to the front side of the lower cross beam, and a movable workbench cylinder is mounted on the lower cross beam; and a pistonrod of the movable workbench cylinder is connected with the workbench, and the movable workbench cylinder drives the workbench to move front and back.

The invention discloses a forming device and method for a maritime work replacing looping forging. The forming device comprises a supporting block, an upper flat anvil and an upper swage block; the supporting block comprises a first supporting surface and a second supporting surface; the first supporting surface and the second supporting surface are oppositely and obliquely arranged to form a 90-degree V-shaped groove; the V-shaped groove is used for supporting a part of a to-be-machined workpiece; the upper flat anvil comprises a horizontal working surface; the horizontal working surface is used for extruding the workpiece located on the supporting block along the center line of the V-shaped groove; the upper swage block comprises a forming surface matched with the outer contour surface of the maritime work replacing looping forging; and the forming surface is used for extruding the workpiece located on the supporting block along the center line of the V-shaped groove after the horizontal working surface is extruded. According to the forming device and method, the traditional upsetting and stripping forming mode of the maritime work replacing looping forging is changed, the problems that folding is produced easily with the upsetting and stripping forming mode and the profiling degree is low are solved, and the forming efficiency and the product utilization rate of the maritimework replacing looping forging are increased.

The invention relates to the field of application of forging technologies, in particular to a high-thickness blank through hole forging device. The high-thickness blank through hole forging device includes a machine body and a forging cavity arranged in the machine body and provided with a leftward opening, a supporting plate is arranged in the forging cavity in an up-and-down sliding manner, three clamping blocks arranged in a sliding manner are annularly arranged on the top wall of the supporting plate, a clamping device arranged in the supporting plate drives the clamping blocks to get close to the center of the supporting plate simultaneously, and blank clamping is realized. By means of the high-thickness blank through hole forging device, high-thickness blank center through hole forging can be realized, blank fixing and blank centering can be achieved during forging of the device, meanwhile, gradual forging of blank center through holes can be realized through the device, and deformation caused by long-time contact and extrusion between a forging column and a high temperature blank is ensured.

The invention discloses a method for performing metal forging by using a metal forging device. The metal forging device comprises a forging box, wherein the forging box comprises a machining cavity, aclamping hand mechanism is arranged in the machining cavity, the clamping hand mechanism comprises a crank, the crank can rotate back and forth in the machining cavity, the front-back rotation of themachining cavity can control the radius change of parts needing to be machined, and the clamping hand mechanism further comprises rolling wheels. According to the metal forging device, the structureis simple, the operation is convenient, the functions of forging, punching and setting of metal subjected to hot working are realized, the device combines a forging device and a circular ring machining device on the market, and loss or casualties caused by falling off in the material transportation process can be avoided.

There is provided a piercing apparatus in which the occurrence of an inner surface flaw in a hollow shell is suppressed. A piercing apparatus (10) according to an embodiment of the present invention is the piercing apparatus (10) which pierces a billet (18). The piercing apparatus (10) has a plug (14). The plug (14) has a through hole (30). The through hole (30) extends along the central axis, and allows the central portion of the billet (18) being pierced to pass therethrough.

An annular reference surface is formed around a through-hole of an eye portion. A distal-end-side curved portion is formed at a first corner portion, on an outer side of the annular reference surface. The thickness of the distal-end-side curved portion is reduced in a range of a length from the first flat surface toward the distal end surface. A hole-side curved portion whose thickness is reduced toward an inner surface of the through-hole is formed at a second corner portion, on an inner side of the annular reference surface. The length of the hole-side curved portion is less than the length of the distal-end-side curved portion. The hole-side curved portion is curved with a greater curvature than that of the distal-end-side curved portion.

The invention discloses a high-precision forging press. The high-precision forging press comprises a forging and pressing device, a dropping bath and a correcting device, wherein the correcting deviceis fixedly connected with a return pipe on one side of the correcting device; the dropping bath and the correcting device are positioned on the same side of the forging and pressing device; the correcting device is positioned over the end, which is connected with the forging and pressing device, of the dropping bath; and an emulsified liquid drop irrigation device is arranged on one side of the dropping bath. The high-precision forging press is reasonable in structure, the correcting device is arranged on one side of the forging and pressing device, when deviation exists between a limiting hole in a machined piece and a limiting rod on the forging and pressing device, a punching machine of the forging and pressing device punches downwards, a beating assembly is driven to downwards press aclamping block, thus, an effect of clamping the machined piece is weakened when the clamping block rotates clockwise, meanwhile, the limiting hole shifts slightly, and is positioned under the limiting rod, a punch needle on the forging and pressing device can accurately punch the machined piece, and the punching accuracy is improved.

The invention belongs to the technical field of forging dies, and particularly relates to a high-precision forging die suitable for deep hole machining. The high-precision forging die comprises a lower bottom plate, an upper bottom plate, a discharging plate, an upper die plate, elastic air cylinders, a lower die assembly and a punch assembly, wherein the upper bottom plate and the lower bottom plate are slidably connected; the discharging plate is connected to the lower portion of the upper bottom plate through a set of elastic air cylinders; the upper die plate is fixed to the lower end faceof the discharging plate; and the lower die assembly is fixed to the lower bottom plate and corresponds to the upper die plate up and down, the upper die plate can cover the lower die assembly to form a closed die cavity, and a punch hole is reserved in the center of the upper die plate. The punch assembly comprises an upper base plate, a protective block and a punch, wherein the upper base plateis fixed to the lower end face of the upper bottom plate, and the punch vertically penetrates through the protective block downwards and is fixed to the lower end face of the upper base plate throughthe protective block. According to the high-precision forging die suitable for deep hole machining, deep hole forging can be conducted on a shaft workpiece, the forging precision is high, the overallstrength of a product is high, and the subsequent machining workload and machining cost are greatly reduced.

The invention discloses a transverse punching mechanism of a gasifier for ignition and processing equipment of the gasifier. The processing equipment includes a cold heading machine body with a motorand a transmission assembly, the cold heading machine body is sequentially provided with a material storage mechanism, a straightening feeding mechanism, a material cutting mechanism, a vertical punching mechanism, a translation mechanism and a discharging mechanism in the order of processing, the transverse punching mechanism is arranged between the vertical punching mechanism and the dischargingmechanism, and the transverse punching mechanism and the vertical punching mechanism are perpendicular to each other. The transverse punching mechanism is refitted onto an existing cold heading machine, so that the fully automated production of vertical punching and transverse punching on one device can be realized, the production difficulty is effectively reduced, and the production efficiency and product quality are improved; and meanwhile, two brand new transverse punching mechanism solutions are provided, and great improvements are made to an existing transverse punching structure, so that the processing equipment has the advantages of clean punching, smooth discharge and no damage to the gasifier.

The invention relates to the technical field of forging equipment and particularly discloses a hydraulic cylinder forging device. The hydraulic cylinder forging device comprises a base, a hydraulic telescopic mechanism is arranged at one end of the base, a guide rail is arranged at the other end of the base, and a clamping device is arranged in the middle of the base. The hydraulic telescopic mechanism comprises a hydraulic oil tank, an oil pump and a telescopic rod. The hydraulic oil tank, the oil pump, the telescopic rod and a supporting rod are sequentially arranged on the upper portion ofthe base, a crossbeam is arranged between the supporting rod and the guide rail, a supporting frame and a stepping motor are sequentially arranged on the crossbeam, and a rotating shaft of the stepping motor is sequentially provided with a supporting plate and a tool bit. The supporting plate is in threaded connection with the rotating shaft, guide rods are arranged between the supporting plate and the supporting frame, a seamless steel pipe is arranged between the supporting plate and the tool bit, the rotating shaft is sleeved with the seamless steel pipe, and the tool bit corresponds to theclamping device. The hydraulic cylinder forging device is mainly used for forging hydraulic cylinder bodies, and the problem that machining sizes are not accurate in the forging process is solved.

The invention discloses a method for manufacturing an ultra-large-diameter thick-wall seamless steel pipe, which comprises the following steps of: before forging and forming, continuously processing a blank through blank manufacturing and extruding procedures; forging and chambering are conducted after the blank is heated, two times of mandril sleeving and shaping are adopted in the forging and chambering process, heat treatment is conducted after forging and chambering, and the large-caliber thick-wall seamless steel pipe is prepared. The extrusion-forging combined forming mode is adopted, and the problems that the ultra-large-diameter thick-wall pipe fitting is difficult to forge thoroughly and the chambering difficulty is large are solved.