2405results about "Ejection devices" patented technology

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 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 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 invention discloses an automatic carrying and stamping device for automobile parts, and relates to the technical field of automobile part machining equipment.The automatic carrying and stamping device comprises a supporting frame, a control system is installed at the front end of the supporting frame, a stamping mechanism is arranged at one end of the supporting frame, and two L-shaped clamping plates are arranged in the supporting frame; a long plate is installed at the upper end of the supporting frame, two sets of long guide rails are installed at the upper end of the long plate, three sets of supporting bases are installed at the upper end of the long plate, a long screw rod is rotationally installed between the two sets of supporting bases, and a first servo motor is installed at one end of the other set of supporting bases. The X-axis carrying mechanism, the Y-axis carrying mechanism and the Z-axis carrying mechanism are high in positioning precision, the X-axis carrying mechanism, the Y-axis carrying mechanism, the Y-axis carrying mechanism and the Z-axis carrying mechanism are matched with the secondary guiding function of the guiding and stabilizing assembly, the transverse displacement positioning precision and the longitudinal displacement positioning precision are controlled, the material placement deviation is controlled, the size precision of stamped products is greatly improved, and the product percent of pass is improved.

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 utility model relates to the technical field of sheet metal part machining, and discloses a sheet metal part flattening device for sheet metal part machining, the sheet metal part flattening device comprises a flattening bin, a flattening mechanism is arranged in the flattening bin, the flattening mechanism comprises limiting rods arranged on the front side and the rear side of the flattening bin, and a pressing plate is movably installed in the flattening bin. According to the plate flattening device, a plate is flattened by a pressing roller and a conveying roller through operation of a hydraulic cylinder, meanwhile, along with operation of a motor, when the plate is flattened, the conveying roller can rotate to convey the plate to a discharging port, and more importantly, through arrangement of an anti-deviation mechanism, when the plate is transported, the plate is conveyed to the discharging port, and the plate is conveyed to the discharging port; according to the plate flattening device, the moving path of the plate is limited through the two sets of anti-deviation rings, so that progressive lossless flattening operation can be achieved, meanwhile, the plate is automatically fed, the problem of deviation and dislocation cannot occur in the transportation process, and the flattening efficiency and the quality of the flattened plate are effectively improved.

The invention discloses an elastic piece continuous punch forming device and technology, and relates to the technical field of punching, the elastic piece continuous punch forming device comprises a control module, an alarm module, an upper die assembly and a lower die assembly, and the lower die assembly is provided with a punched hole matched with the upper die assembly; through holes are formed in the lower die assembly and correspond to the positions, below the plane of the stamped residual material belt and the plane of the stamped formed product, of the lower die assembly. The material jumping prevention assembly is arranged at the bottom of the lower die assembly, comprises a negative pressure plate, a first negative pressure cavity, a second negative pressure cavity, a first air pressure sensor, a second air pressure sensor, a sealing part, a plurality of telescopic assemblies and an on-off assembly, can prevent a material belt from driving waste materials to jump, can also perform blanking detection on punched and formed products, can also perform monitoring and alarming on jumping of the material belt, and is high in practicability. And a punch in the upper die assembly can be cleaned and cooled.

The utility model relates to the technical field of stamping, in particular to an aluminum alloy decorating part stamping device which comprises a machine body, a rotating disc, a stamping mechanism, a discharging mechanism, a fixed die and a material leaking groove. A butt joint block is welded to the rear end of the fixed die, and an air groove penetrating through the butt joint block and the fixed die is formed in the inner side of the butt joint block; an opening of one side, facing the waste cavity, of the air groove is smaller than that of the other side; a pressurization box fixed to the machine body through a fixing frame is arranged on the rotating disc, a cavity of the pressurization box is communicated with the outside through an external pipe, an electromagnetic valve is arranged in front of a pressurization cavity of the pressurization box, and a contact sensor used in cooperation with the pressurization box is further arranged outside the pressurization box. The pressurizing box is arranged on the rotating disc, meanwhile, an existing mold is upgraded, the butt joint block matched with the pressurizing box is additionally arranged, the gas groove with the width gradually reduced is formed in the butt joint block, gas in the pressurizing box enters the waste cavity through the gas groove, secondary cleaning is conducted on residual waste in the waste cavity, and therefore complete waste discharging is achieved.

The invention discloses a continuous stamping device which comprises a stamping assembly and a stamping workbench, the stamping assembly is fixedly arranged on the upper surface of a fixed base, the stamping assembly is composed of a driving hydraulic cylinder and an upper stamping die, and the stamping workbench is arranged below the upper stamping die. According to the continuous stamping device, the annular workbench capable of conducting continuous stamping is designed, meanwhile, through the arrangement of a linkage mechanism, reciprocating motion of a main driving hydraulic cylinder can be converted into intermittent indexing motion of the annular workbench, unification of a stamping power source and a transposition power source is achieved, and the stamping efficiency is improved. And the automatic discharging assembly is arranged, the formed metal end caps can be automatically collected through the automatic discharging assembly by means of aerodynamic force and mechanical thrust generated by movement of the device, meanwhile, an additional power source is not needed, and the manufacturing cost of the device is reduced.

The invention relates to a wing type centrifugal impeller blade manufacturing process based on sheet forming, in particular to the technical field of centrifugal impellers, comprising a blade body, one side of the blade body is connected with a front disc, and one side, away from the front disc, of the blade body is connected with a rear disc; the blade bodies with the wing-shaped sections are formed through a specific process by means of thin plate materials, after all the blades are manufactured, the blade bodies are arranged at a specific three-dimensional space angle, the edge of one side of each blade body is connected with a disc-shaped component called a front disc, and the blade bodies are connected with the disc-shaped component. One side edge of the blade body is connected with a front disc, the other side edge of the blade body is connected with a disc-shaped component called as a rear disc, and the front disc, the rear disc and all the blade bodies jointly form a complete centrifugal impeller structure capable of efficiently conveying fluid. And the product has lighter weight and higher material utilization rate. The manufacturing process is based on the thin plate stamping and welding forming wing type centrifugal impeller blade manufacturing process.

The invention discloses stamping and bending equipment for transformer holding pole type wire clamp production, the stamping and bending equipment comprises a base, a mounting base and a stamping forming assembly are fixedly mounted at the top of the base, the mounting base is fixedly mounted in the middle of the top of the base, and the stamping forming assembly is erected above the mounting base. According to the stamping and bending equipment for transformer holding pole type wire clamp production, after being ejected out, a formed part slides into a material collecting box along a guiding structure of a material guiding assembly to complete collection, after a processor receives a demolding completion signal fed back by a detection lens, a pushing oil cylinder is controlled to operate reversely, a fixing frame is driven to reset to the initial position along a positioning rod, and a pushing part is reset accordingly; and waiting for a demolding instruction after the next time of punch forming. Through the combined design of the push block and the ejector rod, the synergistic effect of pushing the edge and ejecting the inner side of the formed part is achieved, and it is guaranteed that the formed part is stably separated from the mold cavity without deformation and scratching.

The utility model relates to the field of hardware machining, in particular to a hardware stamping feeding machine which comprises a machine table, an electric cylinder, a guide frame, a support, a first staddle, a pneumatic cylinder, a swing rod, a middle shaft and the like. An electric cylinder is installed on one side of the top of the machine table, a guide frame is arranged on one side of the top of the machine table, a support is slidably arranged on the guide frame, the support is connected with the telescopic end of the electric cylinder, the support is used for containing materials, a first staddle is arranged on the front side of the top of the machine table, a pneumatic cylinder is installed on one side of the top of the first staddle, and a swing rod is rotationally arranged on the other side of the top of the first staddle. The driving end of the pneumatic cylinder is connected with the end of the swing rod, and a middle shaft is rotationally arranged in the swing rod. Through cooperation of the electric cylinder, the double-shaft air cylinder, the pneumatic cylinder and other components, full automation of hardware stamping machining is achieved, the requirement for manual operation is reduced, and production efficiency is improved; and accurate positioning and stable clamping of the materials are ensured by using the sucker device and the pneumatic clamping jaw, so that the quality of stamping parts is improved.

The utility model relates to the technical field of punch forming equipment, and discloses a support punch forming device which comprises a punching table, supporting columns and foot columns are fixedly connected to the top face of the punching table, a lower die base is connected to the tops of the foot columns through bolts, a top plate is fixedly connected to the top ends of the supporting columns, and a connecting plate is fixedly connected to the lower surface of the top plate. The bottom end of the connecting plate is connected with a T-shaped rack through a bolt, the T-shaped rack is connected with a gear in an engaged mode, and a shaft rod is fixedly connected into the gear. A plate is placed on the lower die, the hydraulic cylinder is started to drive the upper die base to move downwards to achieve die assembly stamping, meanwhile, the upper die base moves downwards to drive the fixing block, the shaft rod and the gear to move, under meshing of the T-shaped rack, the gear rotates to drive the shaft rod and the stop rod to rotate, the stop rod sweeps the area between the upper die and the lower die when rotating, and once a hand is located in the dangerous area, die assembly stamping is achieved. And when the operator moves, the operator can be touched by the stop lever made of the flexible plastic material, so that the operator is timely reminded to move away hands, and safety accidents are effectively avoided.

This invention discloses a stamping device for batch processing of mechanical parts, including a stamping mechanism, a limiting fixture, and a pushing mechanism. The stamping mechanism includes a stamping head, a stamping machine table, a stamping cylinder, a stamping frame, and a stamping die. The stamping frame is fixed on the stamping machine table, the stamping cylinder is connected to the stamping frame, and the telescopic end of the stamping cylinder is connected to the stamping head. A stamping die for use with the stamping head is connected to the stamping machine table, and a sheet to be stamped is placed on the stamping die. The limiting fixture is connected to the left and right sides of the sheet to be stamped. This device can perform batch stamping of the sheet to be stamped through the stamping mechanism. At the same time, the limiting fixture can guide and limit the sheet to be stamped during the feeding process, preventing the workpiece from shifting position and improving the stability of stamping. The pushing mechanism can feed the sheet at equal intervals during the stamping process, ensuring the accuracy of workpiece feeding and improving the stamping quality.

The invention relates to liquefied petroleum gas steel cylinder extrusion forming equipment, which relates to the technical field of liquefied petroleum gas steel cylinder manufacturing, and comprises a machine table mounted on the ground and a frame body connected with the upper end of the machine table. The stamping mechanism is arranged on the frame body, the positioning mechanism is arranged between the machine table and the frame body and used for fixing the plate, deviation is avoided in the stamping process, and therefore the forming precision and the symmetry of the end socket are improved to a certain degree. A pushing mechanism is further arranged on the machine table, the end socket can be vertically jacked up after being formed, a workpiece can be conveniently and smoothly taken out, crack screening is carried out on the end portion area of the end socket while the end socket is jacked out, crack defects can be preliminarily screened out to a certain degree through screening of the end portion of the end socket, and the quality and use safety of the formed end socket are ensured. According to the equipment, through the synergistic effect of the stamping mechanism, the positioning mechanism and the pushing mechanism, the efficient forming efficiency and the quality control efficiency of the end socket are achieved, and the machining efficiency and the product reliability are improved.

The invention discloses a metal part continuous punching machine facilitating discharging, and belongs to the technical field of metal part continuous punching machines. The metal part continuous punching machine mainly comprises a main machine frame, the bottom end of the inner side of the main machine frame is fixedly connected with a base plate, and a lower die is installed in the middle of the inner side of the base plate in a clamped mode; the four corners of the base plate are each fixedly connected with a guide sliding rod, a lifting plate is arranged in the middle of the inner side of the main machine frame, an upper die is installed and clamped in the middle of the lifting plate, the base plate and the lifting plate are each provided with an installation mechanism, and a discharging mechanism is arranged on the lower die. The discharging mechanism comprises two mounting cavities symmetrically formed in the lower die. Through the arrangement of the discharging mechanism, automatic feeding and discharging of metal plates are facilitated, hard friction between workpieces and a die and between the workpieces and a table top is reduced, the occurrence rate of surface defects such as scratches, indentations and coating falling is reduced, the discharging efficiency is improved, the continuous production stability is guaranteed, and the workpiece machining precision and quality consistency are improved.

The invention discloses a mobile phone middle plate machining oil pressure production line with an automatic feeding, discharging and conveying structure, and relates to the technical field of mobile phone middle plate machining oil pressure production lines. A main body unit comprises a machine base and a feeding frame fixedly connected to one side of the machine base; according to the mobile phone middle plate feeding device, a T-shaped guide rail is utilized, a feeding push rod is further utilized for storing a material containing plate into a material containing frame, meanwhile, an auxiliary plate is utilized for limiting mobile phone middle plate bodies on the upper portion, and therefore the situation that a large number of mobile phone middle plate bodies fall off, and the actual feeding effect of the device is affected is prevented; a falling mobile phone middle plate is stored through a storage frame, a lifting push rod moves the storage frame downwards and compresses a first buffer spring, so that a sliding plate carries the storage frame to move to the position below a feeding groove, the lifting push rod is matched with elastic potential energy of the first buffer spring again, the whole storage frame moves upwards, and the storage frame moves downwards. And therefore, the mobile phone middle plate body can be subjected to feeding treatment.

The utility model relates to the technical field of automobile protection plate machining, and discloses an automobile protection plate punching device which comprises a base, supporting rods are arranged at the four corners of the upper end of the base, a top frame is arranged at the upper ends of the supporting rods, a first electric-hydraulic push rod is arranged in the middle of the upper end of the top frame, and a connecting plate is arranged at the output end of the first electric-hydraulic push rod. A male die is arranged at the lower end of the connecting plate, a female die is arranged at the position, corresponding to the male die, of the middle of the upper end of the base, a through hole is formed in the middle of the inner bottom end of the female die, and a second electric-hydraulic push rod is arranged in the through hole. The female die is fixed to the upper end of the base through the clamping groove and has excellent stability, and the punching machining stability of the automobile protection plate can be effectively guaranteed. The upper end of the output end of the second electric-hydraulic push rod is flush with the inner bottom end of the female die in the normal state, and the second electric-hydraulic push rod can upwards eject out a punched original guard plate in the female die during working, so that materials can be conveniently taken out after being punched by the device.

The utility model discloses a movable elbow blank bending die. The movable elbow blank bending die mainly comprises an upper die base, a female die plate, a lower die base, a cushion block, a male die plate and the like. A material pushing assembly and a lubricating assembly are arranged on the male die plate, and an oil pumping assembly in the lubricating assembly is in linkage with the upper die plate to achieve automatic oil pumping. The oil pumping assembly comprises a piston cylinder, a piston rod and the like, and lubricating oil can be accurately conveyed between a blank and a material pushing plate through a main oil channel and an auxiliary oil channel before bending. And the material pushing assembly pushes the formed part out of the convex mold plate through a guide column, a push plate and the like. In addition, the pushing plate is provided with an oil groove and an oil receiving groove, and the oil receiving groove can recycle lubricating oil to an oil tank for recycling. According to the die, through cooperation of all the assemblies, manual participation is reduced, efficient automatic lubricating and discharging are achieved, the production efficiency and the product quality are improved, the cost is reduced, and good practicability and economical efficiency are achieved.

The utility model provides an automatic stamping forming machine for metal chair legs, and belongs to the technical field of stamping equipment. The automatic stamping forming machine for the metal chair legs comprises a forming machine body part, a movable clamping mechanism and a discharging part. The seat frame, the stamping assembly and the rotating table are all installed above the rack, the multiple lower dies are arranged above the rotating table in an annular array mode, and the rotating table drives the multiple lower dies to rotate and adjust. And the movable clamping mechanism is mounted on the seat frame. The support is fixed to one side above the machine frame, and the discharging bin is obliquely arranged above the support. A single operator continuously places workpieces on the multiple lower dies above the rotating table, and the stamping assembly is matched with the lower dies to conduct stamping machining on the workpieces. And after stamping machining of the workpiece is finished, the workpiece is rotated and moved to the next station, and the stamped workpiece is transferred to the discharging bin for discharging under cooperation of the movable clamping mechanism. Compared with original punch forming equipment, continuous feeding can be completed under operation of a single person, and the workpiece punch forming efficiency is improved.

The stamping die is applied to the technical field of stamping dies and comprises an upper die base, a lower die base, a lower die and a lifting plate arranged in a cavity below the lower die, an ejector rod is arranged on the lifting plate, the ejector rod is of a hollow structure and is communicated with a first air bag, and when the ejector rod moves upwards along with the lifting plate to be ejected out, the air bag is communicated with the lower die. The air bag is synchronously extruded to release air in the air bag through the ejector rod, and air flow buffering is formed between the ejector rod and the mold; the lifting plate is connected with the upper die base through a connecting piece, so that the lifting plate is driven to move upwards after the upper die is completely separated from the lower die, and sequential control of ejection actions is realized; a second air bag communicating with the cavity is arranged below the lifting plate, and air flow is formed in the reset process of the lifting plate for heat dissipation and buffering. Through the structural design, under the condition that an independent power source is not added, cooperative improvement of demolding friction reduction, action time sequence control and long-term operation stability is achieved, and the demolding mechanism is suitable for reliable demolding of parts under the continuous stamping working condition.

The invention discloses an ultrasonic and current-assisted bulging device and method for a metal special-shaped pipe fitting, and belongs to the field of material processing engineering. In order to solve the problems that some high-strength metal pipes are difficult to bulge, large in deformation resistance, prone to cracking and prone to local thinning, the metal pipes are heated through current, media in the metal pipes vibrate through an ultrasonic vibration system, the media in the metal pipes are pressurized through a pressure applying system, and the metal pipes are heated through the ultrasonic vibration system. By utilizing the characteristic that a medium in the metal tube is solid at room temperature and is liquid after being heated, the bulging process is completed for the metal tube. Through the current heat effect, the heating efficiency can be remarkably improved, and the forming efficiency and quality of the metal pipe are finally improved by utilizing the potential of the current in the aspect of improving the plasticity of the metal material. Ultrasonic vibration is applied to the metal pipe through the ultrasonic vibration device, the elongation and thickness uniformity of the material are effectively enhanced, and forming of the high-strength metal pipe is facilitated. The device and the method are mainly used for forming the difficult-to-deform metal pipe.

The utility model relates to the field of metal wiring terminal production equipment, in particular to an automatic feeding and discharging type metal wiring terminal stamping die which comprises a bottom frame, an overturning pressure-bearing seat is rotationally installed on the bottom frame, a metal workpiece is borne on the overturning pressure-bearing seat through a lower die seat, and a punch used for stamping the metal workpiece is installed above the bottom frame. And after the overturning pressure-bearing seat is overturned, the processed metal workpiece can be popped out by utilizing the rotating rod to realize unloading. According to the stamping die, automatic feeding is achieved through the feeding barrel and the pushing piece, the metal workpiece is extruded through the cooperation of the extrusion plate, the feeding speed is high, and automatic positioning and fixing can be achieved. According to the utility model, the overturning pressure-bearing seat is matched with the rotating rod to realize automatic unloading of metal workpieces; the stamping push rod is used for pushing the push plate to move, so that stamping of the punch, overturning of the overturning pressure-bearing seat and ejection of a machined metal workpiece through the rotating rod can be achieved in sequence. Therefore, the equipment integration level is higher, and the use is safer and more reliable.

The invention discloses continuous stamping equipment for metal plate machining, and relates to the field of stamping equipment, the continuous stamping equipment comprises a workbench, the workbench is fixedly connected with a shell and a lower die fixedly connected to the middle of the upper surface of the workbench, and the inner bottom wall of the workbench is slidably connected with a lifting frame. Through the arrangement of a lifting frame, a lifting plate, a lifting groove and material lifting plates, when the lifting frame horizontally moves, a sliding block is driven to slide in the lifting groove so that the lifting plate can ascend, after a plate is punched and bent for the first time, the lifting plate ascends to drive the material lifting plates to ascend, and the material lifting plates on the two sides of the plate lift the plate through corrugated grooves formed in the material lifting plates; and therefore, the situation that after stamping is completed, the plate is slightly elastically rebounded, the opening angle of the corrugation tends to be increased, the outer side of the corrugation is tightly attached to the inner walls of the first bending groove and the second bending groove, huge friction force and holding force are generated, and the plate is clamped in the first bending groove and the second bending groove is avoided, and therefore stripping of the plate from the lower die is completed.

The application discloses an auxiliary supporting device in a folding production process of a power distribution cabinet and relates to the technical field of power distribution cabinets. The auxiliary supporting device solves the problem that it is troublesome for personnel to take the power distribution cabinet when the power distribution cabinet is folded into a frame. The auxiliary supporting device comprises a processing platform, a pressing plate is installed on the processing platform, electric push rods for lifting adjustment are fixed at the two ends of the pressing plate, a folding plate is rotatably installed at one end of the processing platform, and the other end of the processing platform is connected with conveying equipment. The application adds a butt joint frame which is opposite to the folded metal frame on the existing cold bending and pressing equipment. When the metal frame is folded into a rectangular opening, the outer end is directly inserted into the butt joint frame. The pushing mechanism drives the adjusting rod to move on the inclined plate, so that the metal frame after folding can stably pass through the pressing plate through the movement and lifting of the butt joint frame. Personnel do not need to pull open the metal frame, but only need to directly pull out backward to take out, thereby reducing the hidden danger of being scratched and saving labor.

The invention discloses a composite forming die and method for a pump protection plate, and relates to the field of stamping dies, the composite forming die comprises a lower die base, a forming female die is installed on the lower die base, sliding rail assemblies are symmetrically arranged on the forming female die, and sliding blocks are arranged in the sliding rail assemblies in a sliding mode; the elastic discharging assembly is mounted on the outer side of the sliding block, so that the sliding block keeps the tendency of sliding towards the outer side of the mold; the forming inner support is arranged on the forming female die in a relatively sliding and penetrating manner through an ejection mechanism; the upper die holder performs die opening and closing movement relative to the lower die holder; and the stripper plate is arranged below the upper die base in a sliding mode, a forming male die A is installed in the center of the stripper plate in an embedded mode, and a forming male die B is arranged outside the forming male die A. By means of the lateral driving mechanism capable of converting vertical movement into horizontal movement, the male die and the sliding block can cooperatively act in multiple directions, forming of a workpiece with the back-off characteristic is completed in one stamping stroke, the defect of multi-procedure production is overcome, forming machining of the back-off characteristic is achieved, and it is guaranteed that the workpiece is smoothly demolded.

The technical scheme belongs to the technical field of sheet metal processing equipment, and particularly relates to a sheet metal bending die, which comprises a movable die device, a fixed die device, and a bending mechanism.

The utility model relates to the technical field of bending machines, in particular to copper-clad steel bending equipment which comprises a rack, a rotary driving assembly, a sliding frame, a lifting driving assembly and an angle measuring assembly. A headstock is arranged on the machine frame and coaxially connected with a rotating shaft, and the rotating shaft is connected with a connecting rod which is rotationally connected with a supporting roller. The rotary driving assembly is connected with the headstock and the rotating shaft, so that the supporting point of the supporting roller and the supporting point of the headstock are kept at the same height through the rotary driving assembly when the equipment is vacant; the sliding frame is located above the head frame and is in sliding connection with the rack, and two pushing heads rotationally connected with the sliding frame are symmetrically arranged on the sliding frame; the lifting driving assembly is connected with the rack and drives the sliding frame to ascend and descend. The angle measuring assembly comprises an angle sensor, and a sliding sheet of the angle sensor is driven to slide through a connecting rod, so that the bending angle of the copper-clad steel is automatically measured. The copper-clad steel bending machine automatically bends copper-clad steel to a set angle, can be suitable for bending various types of materials, and is simple in structure and convenient to operate.

The invention belongs to the technical field of shell stamping, and particularly relates to a high-stability vehicle-mounted sound equipment shell stamping die which comprises a lower die shell and an upper die shell, the lower die shell is provided with a first hydraulic push rod through a lower supporting frame, and the first hydraulic push rod is provided with a lower extrusion part through a lower connecting frame and a lower installing piece; a second hydraulic push rod is installed on the upper mold shell through an upper supporting frame, and the second hydraulic push rod is provided with an upper extrusion part through an upper connecting frame and an upper installing piece. According to the punching device, the punching position of the sound equipment shell is supported through the lower extrusion part, the hole of the sound equipment shell is punched through the upper extrusion part by means of synchronous movement of the lower extrusion part and the upper extrusion part, and after punching is completed, the lower extrusion part and the upper extrusion part move in a reciprocating mode to penetrate through the punched hole and erase burrs attached to the edge of the punched hole; and the subsequent burr cleaning step does not need to be added, so that the production efficiency is guaranteed, and the quality and the use safety of the stamped sound box shell are improved.