8586results about "Shaping tools" patented technology

The invention discloses an automobile bumper stamping die change locking mechanism and relates to the technical field of automobile stamping dies, a stamping base is used as a basic support, vertical force bearing columns on the periphery of the stamping base are connected with a top protection plate, a central power execution cylinder of the protection plate is connected with a workpiece bearing table through a hydraulic driving rod, and an upper die opposite to a lower die is mounted at the lower end of the bearing table. According to the mold rapid locking mechanism, adjusting supporting blocks are welded to the two sides of a base table, and transmission screws on the adjusting supporting blocks can adjust the position of a locking control box; a rotating gear in the box is meshed with an L-shaped clamping arm tooth block, a rubber clamping pad at the front end of a driving arm and a rubber extrusion block in front of the box, a lower die is clamped from the periphery and the two sides, a stroke limiting supporting column of a supporting base is matched with a bearing table guiding structure to ensure stable lifting, and the bearing table is provided with an infrared mistaken touch prevention sensor and a safety relay module to guarantee safety. The upper die is detachably installed through the lifting lug plate and the fastening nut, the scrap collecting bin automatically enters and exits through the driving motor and the transmission screw, and the stamping die changing requirement of the bumper is met.

The invention relates to the field of dies, in particular to a front oxygen sensor support stamping die structure which comprises a fixed die and a movable die, and a punching mechanism, a bending mechanism, a rim charge cutting mechanism and a discharging mechanism are sequentially arranged between the fixed die and the movable die in the conveying direction of a material belt. The punching mechanism is used for punching various holes in different shapes and positions in a material belt, the rim charge cutting mechanism is used for accurately cutting off rim charges, the bending mechanism is used for gradually bending the material belt of a plane structure into the shape of a product, and the discharging mechanism is used for conveying the machined product out of a die. The wear rate of the contact surface of the mold is reduced.

The invention discloses a transmission shaft straightening device, and relates to the technical field of straightening machines, the transmission shaft straightening device comprises a rack and a workbench connected to the rack, the rack is further provided with a pressing cylinder used for straightening a transmission shaft, and the lower portion of the pressing cylinder is connected with a pressing head; a bearing table used for bearing straightening pressure of the transmission shaft, a heating assembly and two positioning assemblies used for clamping the end of the transmission shaft are installed on the workbench, the heating assembly is arranged, and the transmission shaft is preheated before being straightened, so that the metal structure of the heated part of the transmission shaft is softened. In the straightening process, the connecting state of the two electromagnetic heating pipes is automatically closed according to the downward pressing degree of the transmission shaft, the position of a pressing head is avoided, due to the fact that the two electromagnetic heating pipes in the heating assembly heat the outer wall of the transmission shaft in advance, when the transmission shaft is pressed and straightened, the metal structure of the transmission shaft is prone to plastic deformation, and the straightening effect is better. Therefore, the straightening effect is obviously improved.

The utility model discloses a punching machine for power distribution cabinet production, which comprises a workbench, one side of the workbench is provided with a lubricating mechanism, the lubricating mechanism comprises a material box, the bottom of the left side of the material box is provided with a fixing pipe, one side of the fixing pipe is communicated with a frame body, one side of the frame body is movably connected with a crank shaft, and the crank shaft is movably connected with the workbench. The right side of the bottom of the workbench is fixedly connected with a double-shaft motor. According to the punching machine for production of the power distribution cabinet, the lubricating mechanism is arranged, an electric telescopic rod drives an adjusting plate to move, the adjusting plate drives a spray head to move, so that the spray head moves to the position between an upper die and a lower die, a double-shaft motor drives a crankshaft to rotate, the crankshaft drives an adjusting rod to move, the adjusting rod drives a fixing rod to move, and the fixing rod drives a sealing plate to move; when the sealing plate moves towards the inner side, the lubricating liquid can be pumped out through a fixing pipe, and when the sealing plate moves towards the outer side, the lubricating liquid can be discharged into a discharging pipe and then sprayed out through a spray head, so that the lubricating liquid makes contact with the upper mold and the lower mold.

The high-precision bending machine mechanical compensation workbench comprises a fixed base, a sliding base and a workbench panel, linear guide rails are fixedly connected to the two sides of the top of the fixed base, and the bottom of the sliding base is slidably connected with the linear guide rails; a plurality of independent compensation units are arranged on the top of the sliding base in the length direction of the sliding base. Transverse driving equipment used for driving the sliding base to move along the linear guide rails is arranged between the sliding base and the fixed base. The compensation unit comprises an outer shell and an inner shell, the inner shell is arranged in the outer shell, one side of the inner shell is vertically and slidably connected with a lifting shell, and a driving assembly for driving the lifting shell to vertically move is arranged in the inner shell; the invention relates to the technical field of bending machines. According to the high-precision mechanical compensation workbench of the bending machine, the problems that a traditional compensation workbench is difficult to assemble and debug and inconvenient to maintain, and compensation precision and stability need to be improved are solved.

The invention relates to a shielding case progressive die device with a zero-gap bending forming function, the device comprises a lower die assembly, an upper die assembly and a forming bending punch, the side wall of the punch is provided with a shearing edge, and the shearing edge is matched with a lower die to cut off a side edge connecting belt in the bending stroke so as to maintain positioning; the lower die is provided with a shaping groove corresponding to a prefabricated upwarp angle of a product, and when the die is closed to a bottom dead center, the shaping groove and the punch enclose to form a closed extrusion cavity with the volume smaller than that of a material, so that the upwarp angle material is forced to plastically flow and backfill a joint. The method has the advantages that the physical zero gap of the side wall is achieved through the mold closing force, electromagnetic leakage can be blocked without the welding procedure, and the forming precision is high.

The invention discloses a synchronous adjustment control method and system for an upper roller and a lower roller of a leveler based on servo feedback, and relates to the technical field of leveler control and adjustment. The synchronous adjustment control method and system for the upper roller and the lower roller of the leveler based on servo feedback comprises the steps that S1, servo execution data, displacement feedback data and input data in the operation process of the leveler are collected and preprocessed, and a standardized servo state data set is constructed; s2, performing difference evaluation on time response and stress states of the upper roller and the lower roller, and executing differential adjustment of a lifting motor and displacement correction of a supporting screw rod; s3, performing stability analysis on synchronous execution consistency of the upper roller and the lower roller, and synchronously adjusting a driving signal; and S4, comprehensively evaluating the synchronous coordination degree of the leveling process, and dynamically adjusting the servo rotating speed pressing force and the signal triggering time sequence to keep synchronous and stable operation. The problems that in the high-frequency-rhythm feeding and leveling task, non-cooperative inertia exists in the action of the upper roller and the lower roller, and a stable closed loop cannot be formed through short-rhythm adjustment are solved.

The utility model provides a side rib plate forming machine which is sequentially provided with the following components along the conveying direction of a plate rib piece: a feeding leveling device which comprises an upper rolling group and a lower rolling group and is used for leveling the plane of the plate rib piece; the convex rib pressing and punching device comprises an upper die and a lower die which are arranged up and down, and is used for pressing and punching reinforcing ribs on the plate rib piece; the notch punching device is used for punching notches of folded edge parts on the left side and the right side of the plate rib piece; the rolling forming device is used for bending and rolling the folded edge parts on the left side and the right side of the plate rib piece through a series of pressing rollers; the shearing device is used for shearing the plate rib piece according to the length of the required side rib plate; the front and back folding head device comprises a folding head device and two conveying devices arranged on the input side and the output side of the folding head device; the folding head device is used for bending flanging parts on the front side and the rear side of a plate rib piece, the conveying device at the input end of the folding head device is used for conveying the cut plate rib piece, and the conveying device at the output end of the folding head device is used for conveying a formed side rib plate.

The invention belongs to the technical field of rotor internal gear stamping, and particularly discloses a rotor internal gear stamping device which comprises a cold stamping frame, a cold stamping mechanism, a self-adaptive speed regulating device, a multi-directional linkage cleaning and discharging device and a dovetail groove locking type die replacement part. According to the fact that when a gear is stamped, stamping force needs to be large (enough stamping force is generated to complete gear forming) and cannot be too large (too large impact force can cause brittle fracture of the gear), the technical effect of self-adaptive lossless stamping on the gear is achieved in the mode that rotation damping is generated through self-adaptive centrifugal external expansion friction. And multiple technical effects of gear discharging and pneumatic cleaning of the die are achieved by means of driving force during stamping and a multidirectional linkage mode.

The invention provides a straightening machine roll gap initial position calibration device and method and a straightening machine, and relates to the technical field of calibration equipment. The straightening machine roll gap initial position calibration device comprises a fine adjustment device, a distance measurement device and a calibration plate; the calibration plate is used for being placed on a lower straightening roller set of the straightening machine. The distance measuring device is used for measuring the distance between an upper straightening roller set of the straightening machine and the calibration plate. The fine adjustment device is arranged between the upper straightening rollers of the upper straightening roller set and a lifting beam of the straightening machine and used for finely adjusting the distance between the upper straightening rollers and the lower straightening rollers. Through the synergistic effect of the fine adjustment device, the distance measurement device and the calibration plate, the calibration plate provides an adjustment reference plane for coarse adjustment, the distance measurement device obtains a to-be-adjusted distance to thoroughly avoid interference of field light, personnel experience and the like, the fine adjustment device completes fine adjustment, and the fine adjustment device, the distance measurement device and the fine adjustment device cooperate to effectively improve the roll gap initial position calibration precision. And meanwhile, the device is suitable for multiple types of multi-roller straighteners such as five-roller straighteners and seven-roller straighteners, convenient to install and use and high in universality.

The invention discloses an automatic die changing control system of a press machine. The automatic die changing control system comprises a programmable logic controller, electrical hardware electrically connected with the programmable logic controller and an execution component. The programmable logic controller is configured to achieve the control functions of sliding block die-filling height adjustment, balancer air pressure adjustment, die clamping device action, movable workbench operation and die identification number switching, and triggers at least two control functions to be executed in parallel in the die changing process. The programmable logic controller is connected with all electrical hardware and execution components through preset program logic so as to control starting, running and ending of the automatic die changing process in the whole process.

The utility model provides a straightening machine vertical roll mounting structure which comprises a mounting seat, a vertical roll and a vertical roll shaft. The mounting seat is detachably connected with the sliding plate; the sliding plate is installed on the inner side of the guide pipe, a strip-shaped hole corresponding to the installation base is formed in the guide pipe, the installation base is installed on the inner side in the strip-shaped hole, and the guide pipe is fixedly connected with the support; and the driving assembly is used for driving the sliding plate to move. The steel billet straightening device has the advantages that the positions of the vertical rollers and the distance between the two vertical rollers are adjusted through the driving assembly, the steel billet straightening device can still be continuously used by adjusting the positions of the vertical rollers after the vertical rollers are abraded, the steel billet straightening device is suitable for straightening operation of steel billets of different models, the application range is widened, and the wire conduit plays a guiding role; and the moving process of the sliding plate is more stable, and the sliding plate can be prevented from shaking.

The horizontal stretch bending machine comprises a stretch bending machine table, swing arm structures and a vertical arm frame, the rear side of the stretch bending machine table is provided with a rear machine table, the upper end face of the stretch bending machine table is provided with a mold containing table, the two sides of the stretch bending machine table are each provided with a swing arm structure, and the vertical arm frame is provided with a plug core. The middle of the rear side of the swing arm structure is provided with an inner notch, a vertical butt joint shaft is installed in the inner notch, a pushing oil cylinder is installed between the rear end of the upper end face of the rear machine table and the butt joint shaft, and a vertical arm frame is installed on the swing arm structure in a sliding mode. An ejection arm mounting frame is mounted in the vertical arm frame, and an ejection arm structure is mounted in the ejection arm mounting frame in a sliding manner. The device has the characteristics of high ejection action speed, low energy consumption, great improvement of the production efficiency of equipment, simplification of the overall structure of the equipment, improvement of the operation smoothness of the stretch bender and the like.

This invention provides a high-frequency coil heating forming device for titanium alloy ring-ribbed parts, comprising a high-frequency induction heating unit, an inner-support rotary chuck unit, an automatic horizontal rotary unit, a forming wheel unit, and a hydraulic power unit. The inner-support rotary chuck unit is mounted on the automatic horizontal rotary unit and uses a slider to round the ring ribs. The hydraulic power unit provides power for the slider movement and is located below the automatic horizontal rotary unit. The high-frequency induction heating unit and the forming wheel unit are respectively mounted on the sides of the automatic horizontal rotary unit. The high-frequency induction heating unit heats the ring rib material on the inner-support rotary chuck unit through a high-frequency heating coil, and the forming wheel unit is used to process the end flange structure of the ring ribs. This invention achieves efficient heating of titanium alloy ring-ribbed parts to their forming temperature and maintains it constant. The horizontal rotary table performs horizontal rotational motion, coupled with the forming wheel, to complete the hot forming of the vertical edges of the ring ribs.

The application relates to the technical field of cable manufacturing, in particular to a production process of a hydrogen energy battery metal plate, which is processed and formed through a continuous high-speed punching production line. The continuous high-speed punching production line comprises a first station, a second station, a third station and a fourth station arranged in sequence. A preforming die is arranged in the first station and is used for primarily forming the runner shape of the metal plate. A secondary forming die is arranged in the second station and is used for forming the runner of the target height on the metal plate and the convex envelope around the runner. A punching die is arranged in the third station and is used for punching three cavity holes on the metal plate. An edge cutting die is arranged in the fourth station and is used for cutting the shape of the metal plate. A feeding mechanism is arranged at the feeding port of each station, a pulling mechanism is arranged at the discharging port of each station, a coiled material belt is conveyed by the cooperation of the feeding mechanisms and the pulling mechanisms, sequentially passes through the four stations, and the preforming, secondary forming, punching and edge cutting processes are completed.

The invention discloses an automatic taking stamping die device with a waste separation function, and relates to the technical field of stamping machines, the automatic taking stamping die device comprises a bottom plate, the top surface of the bottom plate is provided with a stamping base unit capable of realizing classified and divided conveying of waste and a target workpiece after a stamping process is completed; the top surface of the stamping base unit is provided with a stamping execution unit with a function of quickly replacing a die as required; the stamping base unit comprises a stamping base frame fixedly mounted on the top surface of the bottom plate; when the stamping driving rod descends to the preset height, the punch makes contact with a stamping blank, workpiece shaping in the first stage and workpiece cutting and separating operation in the second stage are synchronously completed, after workpiece machining is completed, the punch mounting base continues to conduct downward pressing, the material taking pressing block presses one end of the workpiece, and the workpiece is cut and separated. The other end of the workpiece is promoted to tilt and fall into the material taking movable groove, clamping stagnation of the workpiece and the punch is prevented, meanwhile, it is ensured that the workpiece is attached to the surface of the guiding protective net, and smooth proceeding of the follow-up automatic workpiece taking procedure is ensured.

The utility model relates to the field of radio frequency communication equipment processing, in particular to a punching device for a shielding cover of radio frequency communication equipment. The punching device for the shielding cover of the radio frequency communication equipment comprises a machine frame, a connecting frame, a hydraulic rod, an installation frame, a punching frame and a placing plate, the top of the machine frame is connected with the connecting frame, the hydraulic rod is installed in the connecting frame, the telescopic end of the hydraulic rod is connected with the installation frame, the punching frame is placed in the installation frame, and the placing plate is installed on the machine frame. When a hydraulic rod shakes in the starting process, a limiting frame and a sliding rod can be extruded, a built-in button is triggered, and after the button is activated, the system can immediately inform an operator that the hydraulic rod shakes abnormally and prompt that inspection and maintenance need to be conducted, and can also automatically start an air pump to rapidly inflate an air bag; the air bag expands and tightly wraps the hydraulic rod, instant stable support is provided, shaking is effectively reduced, and safety and stability of equipment operation are guaranteed.

The invention relates to the technical field of part stamping dies, in particular to an automobile part machining stamping forming die which comprises a mounting plate, a fixed supporting structure is arranged below the mounting plate, a first mounting block is fixedly mounted on the upper side of the mounting plate, and a detachable lower die base is arranged on the upper side of the first mounting block. In the process that a sliding block moves downwards along with a movable adaptive block, the top face of the sliding block retracts into a first sliding cavity, space is reserved for stamping, when stamping is completed and an upper die block ascends, a second spring pushes the movable adaptive block to move upwards, the top of the sliding block protrudes out of the surface of a lower die base to eject a workpiece, and the top of the sliding block makes contact with an extrusion sensor to trigger an automatic oil injection pump; lubricating oil is injected into the oil injection hole through the guide pipe and sprayed to the surface of the lower die base through the oil injection groove to complete lubrication of the lower surface, the bidirectional lubrication mechanism ensures that the metal sheet is comprehensively lubricated in the stamping process, friction loss is remarkably reduced, and the product surface quality is improved.

The invention provides a mold and method for controlling resilience of a core-free mold spinning conical part, and belongs to the technical field of spinning manufacturing of aerospace equipment. The rebound is quantified by defining a new parameter for determining the rebound amount of the blank, so that an objective and repeatable rebound measurement standard is provided, and the measurement accuracy is improved; the contour of the workpiece after spinning is actually measured through the spinning roller, so that the springback amount of the workpiece is measured, and a springback compensation track is designed according to the actual springback amount of the workpiece, so that the springback amount of the workpiece is reduced, and the precision of the workpiece is improved. The device comprises a tail top and a spinning roller, an original blank is fixedly attached to the outer side of the tail top, the upper surface of the original blank makes contact with the spinning roller, and a local mold is arranged below the tail top; the control method comprises the steps that firstly, multi-pass mandrel-free spinning forming is conducted; 2, defining a springback value parameter Y; 3, the springback value is measured on line; 4, designing a compensation track and executing a compensation scheme; and 5, verifying the compensation scheme designed in the step 4.

The utility model provides a front lingual plate forming machine. A feeding leveling device, a convex rib pressing and punching device, a notch punching device, a rolling forming device, a shearing device and a front and back folding head device are sequentially arranged in the conveying direction of plate rib pieces. The convex rib pressing and punching device comprises a first pressing die piece and a second pressing die piece which are arranged up and down; the first mold pressing piece moves close to or far away from the second mold pressing piece through the mold pressing driving piece; the first mold pressing piece comprises a first pressing cavity; the second mold pressing piece comprises a second pressing cavity, a pressing piece is movably arranged in the second pressing cavity, and the pressing piece moves from the second pressing cavity to the first pressing cavity through a pressing piece driving piece; the first pressing cavity comprises an inwards-concave cavity with the depth changing in a gradient mode, the height of the pressing piece changes in a gradient mode, a reinforcing rib of the front tongue plate is formed by pressing the pressing piece into the first cavity, and the rib face of the reinforcing rib inclines from the left side to the right side of the front tongue plate from high to low.

The flexible bending center comprises an upper sliding plate, a fixed tool apron at the bottom of the upper sliding plate is connected with a movable tool apron and a middle module, the bottom of the movable tool apron is connected with a plurality of upper pressing dies, and the upper sliding plate is provided with an adjusting device for pushing the upper pressing dies to slide to form a composite upper pressing cutter; and structures such as a cutter changing module and a slicing cutter pressing module are further arranged, part of cutters are provided with adjusting plates to adjust bending chamfers, and the middle cutter is provided with a lifting air cylinder to drive a pressing plate to move. According to the device, the effects that the whole cutter does not need to be replaced, bending machining of workpieces of different shapes and different widths can be achieved only by adjusting the number of the upper pressing dies and the number of the blades, the device is suitable for workpieces of multiple specifications, rapid and accurate adjustment of the composite upper pressing cutter is achieved, the bending precision and consistency are improved, and the operation efficiency is optimized are achieved.

The invention belongs to the technical field of plate curved surface forming, and particularly relates to a thick plate space curved surface forming method based on a multi-point die, which comprises the steps of S1, reduction schedule design, S2, self-adaptive feeding positioning, S3, dynamic die shape adjustment, S4, gradient coarse reduction, S5, gradual fine reduction, S6, online springback monitoring and S7, closed-loop correction. The optimal reduction regulation is generated through joint calculation of finite element simulation and a springback prediction model, real-time visualization of springback three-dimensional distribution is achieved based on a 1kHz high-frequency sampling force-displacement coupling monitoring system, out-of-tolerance springback is automatically corrected through a reverse compensation algorithm, meanwhile, a multi-sensor cooperative monitoring system and a prediction model constructed based on the mechanics theory are used for monitoring the springback three-dimensional distribution, and the real-time visualization of the springback three-dimensional distribution is achieved. Rebound distribution pre-judgment under different curvatures is achieved, and the shape precision stability of batch production is ensured through a closed-loop correction system.

The invention discloses a treatment process and a production line of a variable-strength automobile anti-collision beam rolling profile, and relates to the technical field of automobile anti-collision beam manufacturing, and the treatment process comprises the following steps: material selection and primary leveling; local heating and cooling; secondary leveling and punching are carried out; and carrying out primary cold roll forming and secondary cold roll forming. According to the treatment process, the strength of the target position of the ultra-high-strength steel forming plate is changed, so that the problem of cracking cannot occur when the small fillet of the ultra-high-strength steel forming plate is bent, a rolling production line can normally operate for a long time, and the production efficiency is guaranteed.

This invention discloses a continuous stamping equipment for metal sheet processing, relating to the field of stamping equipment. It includes a worktable, on which a housing and a lower die are fixedly connected. A lifting frame is slidably connected to the inner bottom wall of the worktable. Through the arrangement of the lifting frame, lifting plate, lifting groove, and lifting plate, when the lifting frame moves horizontally, it drives a slider to slide in the lifting groove, causing the lifting plate to rise. After the sheet metal completes its first stamping bend, the rising lifting plate drives the lifting plate to rise. The lifting plates on both sides of the sheet metal lift it through corrugated grooves, thus preventing the sheet metal from slightly springing back after stamping, which would cause the corrugation opening angle to increase. This would prevent the outer side of the corrugation from tightly adhering to the inner walls of the first and second bending grooves, generating significant friction and clamping force, thus trapping the sheet metal within the first and second bending grooves and completing the stripping process from the lower die.

The application relates to the technical field of metal stamping equipment, in particular to a stamping equipment for automobile metal parts, which comprises an upper die, a lower die, an oil injection hole and a material discharging hole, the upper die can move along the vertical direction, the upper die comprises an upper draw die and an upper flanging die, and the upper flanging die is slidably arranged outside the upper draw die. The lower edge of the upper draw die, the upper edge of the lower draw die, the lower edge of the inner side of the upper flanging die and the upper edge of the inner side of the lower flanging die are provided with chamfers, so that the cavity area is formed above and below the flanging position of the blank, more lubricating oil can be accommodated above and below the flanging area of the blank, and then more lubricating oil is sprayed to the flanging position of the blank in the cavity area through the oil injection assembly, so that the friction heat generated in the flanging process of the blank can be fully absorbed by the lubricating oil.

The invention provides a super-long aluminum alloy cylindrical part heating spinning forming device which comprises a spinning tool die, a traction mechanism and a tail top rotating assembly, the spinning tool die comprises a discharging ring, a material stopping fluted disc, a spinning wheel and a spinning core die, and one end of the spinning core die is connected with a main shaft; the discharging ring, the material stopping fluted disc and the blank are sequentially arranged at one end of the spinning core mold in a sleeving mode. The traction mechanism is connected with the spinning starting end of the blank, the tail ejector rotating assembly comprises a tail ejector rod, and one end of the tail ejector rod is connected with the other end of the spinning core mold; the spinning roller is tightly pressed at the spinning starting end of the blank, the spinning roller does linear feeding movement from the spinning starting end of the blank to the positioning end while rotating, and the traction mechanism is used for applying axial drawing force to the rotated section of the blank. According to the spinning forming device, the phenomena of bulging, upheaval, serious material accumulation, surface peeling and skin overlapping of the aluminum alloy material in the heating spinning process are effectively restrained, the geometric dimension precision and the shape tolerance of the super-long cylindrical part are guaranteed, and the spinning forming effect of the super-long aluminum alloy cylindrical part is achieved.

The invention relates to the technical field of pipe bending machines, and discloses petroleum pipeline thick-wall hot pipe bending equipment with a medium-frequency induction heating device. The petroleum pipeline thick-wall hot pipe bending equipment comprises a core rod body, the core rod body comprises a guide rod connected with a rack and a guide column arranged at the tail end of the guide rod, and the tail end of the guide column is provided with at least two supporting joints which are in spherical hinge joint; elastic edges are arranged on the edges of the supporting joints and filled with hydraulic oil. According to the device, through coaxial and synchronous rotation matching of the wheel die and the clamping die, the guiding and limiting effects of the guiding die and the internal supporting design of the core rod body, a cooperative machining mechanism of external fixing, external guiding and internal supporting is formed, and the problems of axial displacement and radial deviation in the bending process of the thick-wall petroleum pipeline are effectively avoided. In the core supporting structure, multiple sets of supporting joints capable of flexibly rotating can be attached to the inner wall in a self-adaptive mode along with the bending radian of the pipeline, and a dynamic supporting system composed of elastic edges and hydraulic oil can dynamically adjust the supporting force according to the bending angle.

The utility model relates to the field of stabilizer bar production and processing, in particular to a light vehicle stabilizer bar bending forming device which comprises a base and a machine frame fixed to the top of the base, and the machine frame is provided with a centering mechanism, a fixing assembly, a first bending assembly, a second bending assembly and an end forming assembly. The centering mechanisms are arranged in the middle of the rack in pairs, fixed to the top of the rack through air cylinder fixing bases and used for pushing a workpiece blank to the center of a workpiece to coincide with the center of the forming machine. The fixing assembly comprises an upper pressing assembly and a lower pressing assembly which are used for pressing the upper end and the lower end of the stabilizer bar. The first bending assembly is arranged at the upper part of the rack and is matched with the corresponding forming block to form a first bending part of the workpiece; the second bending assembly comprises a second bend which is arranged on the back face of the rack and matched with the corresponding forming block to form the workpiece. The end forming assembly is fixed to the base at the end of the stabilizer bar and used for being matched with the forming block to complete workpiece end forming. The production requirements of diversified products can be met, and the equipment investment is effectively reduced.

The invention provides a forming method and a forming die for a ribbed skin product, relates to the technical field of metal forming, and aims to solve one of the technical problems that the ribbed skin product is long in processing time consumption, difficult to release residual stress, difficult to guarantee dimensional precision and strength and high in cost. The forming method of the ribbed skin product comprises the following steps that a forming die is provided, and the forming die comprises a bracket and a bottom block; determining a blank model according to the model of the ribbed skin product, and cutting the blank according to the blank model; the cut blank is placed in a forming die, and the blank is located on the bottom block; and the blank is rolled through a pressing roller, and a ribbed skin product is formed. The forming method is short in processing time consumption.

The invention provides composite spinning equipment for forming rocket pipe type structural parts. The composite spinning equipment comprises a structural system, an operation table, an oil cooler, an oil tank, a control cabinet, a water cooler, a heating system, a gas distribution cabinet, a hydraulic station, an oxygen bottle, a circulating filtering device and a propane gas bottle. The structural system comprises a main spindle box, the main spindle box has active power and can achieve controllable rotation, a closing-in spindle box does not have active power, and when closing-in spinning needs to be conducted, the main spindle box and the closing-in spindle box are connected through a coupler, and controllable rotation of the closing-in spindle box is achieved; the water cooling machine is used for cooling the spinning roller in the spinning process; the heating system can heat the workpiece to realize hot spinning; the circulating filtering device sprays cutting fluid to the workpiece, circulating filtering use of the cutting fluid is achieved, and wet-type forced rotation is achieved. The hot spinning and wet spinning device has the integrated hot spinning and wet spinning effects of strong spinning, close-up common spinning and the like.