4393results about "Perforating tools" patented technology

An ultrathin metal sheet machining clamping unit, comprising an adjusting device (621, 64), a pressing member (451) and an abutting member (441), wherein the pressing member presses an ultrathin metal sheet against the abutting member by means of the adjusting device, and the adjusting device comprises an elastic device (64) for providing an adaptive elastic deformation force for machining the ultrathin metal sheet. An ultrathin metal sheet machining apparatus, comprising a machine table (1), wherein a machining mechanism (3) and a mold (4) are provided on the machine table (1), a through groove (41) extending in a left-right direction is provided in the mold, and the through groove is configured to place a cut sheet (2); the mold is provided with a U-shaped groove (42), a machining window (421) is provided on the U-shaped groove close to the through groove, and the machining window (421) is in communication with the through groove (41); and the machining mechanism (3) comprises a cutter driving mechanism and a cutter (31), the cutter is located at the U-shaped groove (42), and part of the cutter is arranged at the machining window (421). Further disclosed is an ultrathin metal sheet machining clamping device. The ultrathin metal sheet machining clamping unit, clamping device and machining apparatus can adaptively press and fix the ultrathin metal sheet to be machined, thereby solving the problem of vibration caused by machining of the ultrathin metal sheet, and facilitating chip removal.

The invention relates to the technical field of stamping equipment, and discloses stamping equipment for a compression pump shell, the stamping equipment comprises an upper die and a lower die, the bottom of the upper die is provided with a convex die, the top of the lower die is provided with a plate placing groove, the middle of the plate placing groove is communicated with a die groove, the convex die is matched with the die groove, the upper die is provided with a plurality of longitudinal sliding grooves, and the longitudinal sliding grooves are communicated with the plate placing groove. A first blocking assembly is arranged at the bottom of the longitudinal sliding groove, a punching assembly is arranged in the longitudinal sliding groove, and a plurality of blanking holes are formed in the lower die. According to the punching device for the compression pump shell, through the arrangement of the punching assembly, the compression pump shell can be immediately punched after punching of the compression pump shell is completed, so that punching and punching are integrated on one device, punching and punching are conducted at the same time, and the machining efficiency of the compression pump shell is effectively improved; and in the stamping process, the longitudinal sliding groove and the blanking hole can be blocked, so that the stamping effect is guaranteed.

The present invention addresses the problem of providing a method and a punch for punching an amorphous metal foil with which a greater reaction force is prevented from acting on the punch in a short period of time, a great impact is prevented from being imparted to a press machine, and loud processing sound or great vibrations are prevented from being produced, during punching of an amorphous metal foil in press working.　The present invention provides a method for punching an amorphous metal foil that is punched into a prescribed shape by a press machine, the method including a step for placing the amorphous metal foil on a die, and a step for punching out, by using a punch, a portion of the amorphous metal foil placed on the die, the distal-end surface of the punch being an inclined surface that is inclined in one direction with respect to a plane orthogonal to the direction of movement of the punch. The present invention also provides a punch applied in punching of an amorphous metal foil that is punched into a prescribed shape by a press machine, the punch being configured such that the distal-end surface of the punch is an inclined surface inclined in one direction with respect to a plane orthogonal to the direction of movement of the punch.

The invention discloses a four-wheel-drive punching machine for spinneret plate punching and a punching method, the four-wheel-drive punching machine comprises a base table and a rack fixedly connected to the top of the base table, a punching mechanism for spinneret plate punching is installed on the rack, and the punching mechanism comprises an electric cylinder fixedly connected to the rack. According to the spinneret plate punching device, a spinneret plate can be conveniently adjusted in multiple directions, a to-be-machined spinneret plate is pressed and fixed through a pressing plate while the spinneret plate is punched, the top face of the spinneret plate can be extruded through a pressure sensor while the spinneret plate is punched, a pressure signal borne by the pressure sensor is transmitted to a controller, and therefore the spinneret plate can be punched through the controller. According to the perforating device, the perforating motor is controlled to stop running through the controller, so that the perforating depth can be controlled, meanwhile, the height of the pressure sensor can be adjusted by rotating the adjusting bolt under the action of the adjusting bolt and the thread of the threaded seat, and therefore different perforating depths can be controlled.

The invention discloses a solid waste recycling forming machining die, and relates to the technical field of bicycle production waste reutilization, the solid waste recycling forming machining die comprises a lower die mechanism, an upper die mechanism is arranged on the lower die mechanism, a pressing mechanism is arranged on the upper die mechanism, and a male die set is arranged in the middle of the bottom wall of an upper die base; the material pressing mechanism comprises a first spring and a material pressing plate which are arranged on the upper die base, and further comprises an elastic ejector block set arranged on the material pressing plate and a guide hole site set formed in the material pressing plate in an up-down penetrating mode. The die has the advantages that the same die carries out stepped continuous punching operation, punching stress can be reduced, and the probability of deformation of the disc brake during punching is reduced; residual stress existing in the punched disc brake disc can be redistributed through attaching and pressure maintaining, and the situation that due to the fact that large holes and small holes in the disc brake disc are evenly and densely distributed in position, local deformation is generated is prevented; and the elastic ejector block group applies uniform elastic pressing force to the disc brake disc, so that the probability of deformation of the disc brake disc during rigid demolding is reduced.

The utility model discloses an anti-sticking punching device for bearing forging. The anti-sticking punching device comprises a punching rack, a lifting driving mechanism, a punching head, a punching table, a guide vertical rod, a guide transverse rod, a clamping block and a pressing rod. The guide vertical rod is in up-down sliding fit with the stamping table around the center of the stamping table; supporting springs are arranged at the tops of the guide vertical rods; a push-stop block is mounted at the top of the guide vertical rod; a vertical surface and an inclined surface are arranged on one side surface of the push stop block from top to bottom; the inclined surface is obliquely arranged in the direction far away from the blanking hole from top to bottom; the guide cross rod is in horizontal sliding fit with a bracket on the stamping table; reset springs are arranged at the outer ends of the guide cross rods; the pressing rod is connected with the punching head; the bottom end of the pressing rod is vertically aligned with the top end of the guide vertical rod; when the stamping head moves downwards and upwards, the outer end of the guide cross rod slides along the vertical face all the time, the clamping blocks clamp and restrain forging materials all the time, and the material sticking situation in the stamping process is effectively avoided.

A punching fixture with side sliding blocks. The punching fixture comprises an upper die (2) and a lower die (1), wherein at least one stamping station groove for positioning a workpiece to be machined is provided on the lower die (1); a stamping double-blade assembly (13) is provided on a side surface of each stamping station groove, and each stamping double-blade assembly (13) comprises blades (132), which can move close to or away from each other; an internal support pillar (28) cooperating with the stamping station groove and configured to fix the workpiece to be machined is provided on the lower surface of the upper die (2); guide pins (12) vertically extending upwards are provided on the upper surface of the lower die (1); and guide bushings (27) adapted to the guide pins (12) are provided on the upper die (2).

The utility model relates to the technical field of mechanical part machining, and discloses a punching device for mechanical part machining, which comprises a machining table, the top of the machining table is provided with a collecting groove, and one side of the collecting groove is provided with a movable opening; the first supporting column is arranged at the top of the machining table; the second supporting column is arranged on the top of the machining table. By starting the telescopic rod, the telescopic rod operates to drive the clamping plate to move through the first connecting block, the clamping plate moves to drive the rack to move through the second connecting block, the rack moves to drive the other rack to move through the gear, and the other rack moves to drive the other clamping plate to move through the other second connecting block. The two clamping plates move oppositely to clamp the mechanical part needing to be punched, then the motor is started, the motor operates to drive the threaded rod to rotate, the threaded rod rotates to drive the placing table to move, the placing table moves to drive the mechanical part to move, and therefore the effects of clamping the mechanical part and driving the mechanical part to move are achieved.

The invention discloses a gasket stamping device for an electric automobile gearbox, which belongs to the technical field of stamping equipment and comprises a base, a top plate is arranged at the top of the base, and two groups of conveying mechanisms are arranged at the bottom of the base; the stamping die comprises a lower die and an upper die, and a punching hole and a punching groove are formed in the top of the lower die; the hydraulic driving mechanism comprises an oil storage tank, an oil pump, a reversing valve, an oil distribution tank and a plurality of hydraulic cylinders, the top ends of the hydraulic cylinders are communicated with the oil distribution tank, piston plates are slidably mounted in the hydraulic cylinders, and piston rods are fixedly mounted at the bottoms of the piston plates. Automatic positioning and conveying of a raw material plate can be achieved through the pressing mechanism, the positioning mechanism and the pushing mechanism, automatic punching machining of the plate can be achieved through cooperation of the hydraulic driving mechanism and the punching die, the punching strength can be automatically adjusted according to the thickness of the plate, overload of an oil pump is avoided, and the production efficiency is improved. The applicability of the device is improved.

The invention relates to the field of forge piece punching machines, and discloses a forge piece punching machine which comprises a base, two supporting plates, a top plate, a punching device, a material taking device, a heat dissipation device and a controller, the punching device is arranged below the top plate, the material taking device is arranged on the side of the punching device, the heat dissipation device is arranged on the side of the material taking device, and the controller is arranged on the base. Through the punching device and the material taking device which are arranged and interact with each other and are matched with each other, after punching operation is completed, a forge piece does not need to be manually taken down from a workbench and placed in a collecting box, operation is more accurate and safer, and then the situation that due to manual operation, production line pause is caused, and waiting time is prolonged is avoided.

The utility model relates to the technical field of stamping machining, in particular to a stamping machine which comprises a stamping platform and a stamping die arranged on the stamping platform, the stamping platform is connected with a bearing plate used for supporting the stamping die in a sliding mode, and the stamping die comprises an upper stamping die body and a lower stamping die body. The stamping lower die comprises a stamping plate for placing a plate to be punched and a plurality of stamping holes which are densely distributed in a staggered manner; the stamping upper die is arranged right above the stamping plate, one end of the stamping upper die is in transmission connection with a driving assembly, a plurality of evenly-distributed punching cutters are arranged at the positions, corresponding to the stamping holes, in the stamping upper die, and the punching cutters can be matched with the stamping holes to conduct stamping forming on a plate. Due to the fact that the stamping holes are formed in the stamping plate in the staggered mode, maximum utilization of plates is achieved in the stamping process, and the utilization rate of the stamping area is increased; punching positions are distributed compactly, the utilization rate of metal plates is increased, the material utilization rate is increased, plate waste is reduced, and cost is saved.

The invention discloses a linear motion and rotary motion compound type robot flexible punching gun, which relates to the technical field of punching equipment and comprises a shell unit (01-00), a core unit (02-00), a zero reset unit (03-00), a floating unit (04-00) and a TCP (Transmission Control Protocol) unit (05-00). The method is scientific, reasonable and safe and convenient to use. The invention discloses a linear motion and rotary motion composite robot flexible punching gun. Punching of workpieces in different avoiding spaces is achieved through a linear motion form and a rotary motion form, meanwhile, the time for quickly replacing a punching gun is saved to improve the takt time and stability, and the problem of hydraulic oil leakage of a hydraulic driving system is solved without quickly replacing the punching gun. Due to the design of the floating unit, the whole punching gun is self-adaptive to fluctuation, generated by welding, of a punched face within the tolerance tolerance range of position tolerance, and smooth damage to a punched part due to the fact that the face needing to be punched is rigidly and rigidly pulled and punched by the punching gun within the tolerance tolerance range of the tolerance tolerance of profile tolerance is avoided.

The utility model discloses a spiral baffle plate punching die adsorbing and chip collecting device, and belongs to the field of spiral baffle plate production equipment. According to the technical scheme, the spiral baffle plate punching die adsorbing and chip collecting device comprises a lower die and an upper die which are sequentially arranged from bottom to top, a stamping cavity is formed in the upper end of the lower die, and a material collecting cavity is formed below the stamping cavity; according to the punching device, the negative pressure mechanism is started, so that outside air enters the punching cavity through the air channel to blow and clean punching scraps attached to the surfaces of the punching assembly and the punching template, the cleaned scraps enter the material collecting cavity along the hole channel along with airflow to be collected, and the punching assembly and the punching template can be cooled when the airflow enters the punching cavity; the service life of the punching assembly and the punching die plate is prolonged, and after the waste materials and the chippings in the material collecting cavity are collected to a certain amount, the material collecting cavity can be opened to clear out the waste materials and the chippings.

The steel plate machining punching device comprises a bottom plate, the top of the bottom plate is sequentially provided with a frame body, a punching mechanism, a fixing mechanism and a mounting groove from right to left, the upper end and the lower end of the frame body are provided with openings, the left side and the right side of the frame body are provided with a strip-shaped opening and a rectangular opening respectively, and the strip-shaped opening and the rectangular opening are communicated with the bottom of the frame body. The top of the bottom plate is provided with an extending opening right corresponding to the rectangular opening in the horizontal direction, the bottom of the bottom plate is provided with a pushing mechanism, the right end of the interior of the extending opening is provided with a pushing block extending to the position above the extending opening, the pushing block is located on the right side of the rectangular opening, and the upper end of the right side of the pushing block is an inclined plane; according to the steel plate machining and punching device, the effects of automatic feeding, fixing and positioning are achieved, the machining efficiency and the punching effect are improved, the rejection rate is reduced, and therefore materials are saved, and the cost is reduced.

The invention discloses an assembly line type punch forming system for a flange plate. The assembly line type punch forming system comprises a steel plate conveying device and a punching die. The steel plate conveying device comprises a control box, a supporting guide mechanism, a conveying driving mechanism and a stamping supporting mechanism. The stamping die comprises a base, a pressing seat, a state switching mechanism, a supporting base plate and a punching unit. According to the assembly line type punch forming system, through cooperation of the supporting guide mechanism, the conveying driving mechanism and the punch supporting mechanism, feeding and discharging supporting and automatic conveying of strip-shaped steel plates can be achieved, manual participation is reduced, and the working efficiency is improved; by means of the state switching mechanism, position switching of the supporting base plate and the punching unit can be achieved, so that switching of the two working states of punch forming and punching is achieved, the two working states can be completed on one press in sequence, and the working efficiency is improved; and the elastic supporting unit can be used for bouncing the pressing seat after the press finishes the stroke, so that the strip-shaped steel plate can be transversely moved and fed conveniently.

The track shoe turnover device comprises a punching unit and a burr treatment unit, the punching unit comprises a machining table, a vertical plate is fixed to the machining table, a top plate is fixed to the top of the vertical plate, a hydraulic cylinder is installed at the bottom of the top plate, an upper die plate is fixed to the extension end of the hydraulic cylinder, and a rectangular groove is formed in the machining table; and a lower template is fixed in the rectangular groove. When the movable plate moves downwards, the cylindrical rod moves towards the interior of the barrel, and the convex column slides in the curved groove, so that the cylindrical rod is driven to rotate, and burrs on the edge of the hole are scraped by the scraping blade; when the movable plate moves upwards, the piston is driven to move downwards under the elastic force of the second spring, so that the piston exhausts air in the lower cavity into the hollow plate and then exhausts the air into the triangular exhaust pipe from the hollow plate, the air blows the second sealing plate, the second sealing plate does not seal an opening of the triangular exhaust pipe any more, and in other words, the air is blown to the track shoe after being exhausted from the triangular exhaust pipe. And the scraped burrs on the track shoe are blown off from the track shoe.

The invention discloses an efficient metal bottom cover stamping device for an automobile safety air bag, and relates to the technical field of safety air bag metal bottom cover production. The three fixed extrusion blocks are used for limiting and fixing the metal bottom cover material plate above the stamping lower die, so that the stamping positions of the stamped gas guide hole, the air bag expansion hole and the riveting hole are accurate, the stamping efficiency of the metal bottom cover stamping machine is greatly improved, and compared with the prior art, the stamping efficiency of the metal bottom cover stamping machine is greatly improved. The accuracy of the air bag expansion hole, the air flow guide hole and the riveting hole is improved, the accuracy of the air bag expansion hole ensures that the air bag can be rapidly and effectively inflated during collision, the injury risk of passengers is reduced, the overall safety is improved, the accuracy of the air flow guide hole ensures that air flows smoothly, the air inflation speed of the air bag is increased, and the reaction capacity of the air bag is enhanced. And the accurate hole positions enable the assembly and maintenance processes to be more convenient.

The utility model relates to the technical field of metal plate processing, and discloses a plate punching device for a plate heat exchanger, which comprises a workbench, the top end of the workbench is fixedly connected with a base, the bottom end of the inner wall of the base is fixedly connected with a motor I, and the driving end of the motor I is fixedly connected with a turntable. Supporting columns are fixedly connected to the four sides of the bottom end of the rotating disc, rotating shafts are rotatably connected to the two ends of the outer side wall of the rotating disc, rotating columns are rotatably connected to the other ends of the rotating shafts, clamping bodies are rotatably connected to the top ends of the rotating columns, and rubber pads are fixedly connected to the close sides of the two clamping bodies; limiting blocks are fixedly connected to the left side and the right side of the bottom end of the clamp body correspondingly, and two sliding grooves are formed in the front side and the rear side of the top end of the base correspondingly. According to the utility model, the metal sheets with different widths are adapted, the downtime of a production line is reduced, and the purposes of improving the flexibility of the production line and reducing the cost are achieved.

The invention relates to the technical field of ship engine manufacturing and machining, in particular to a machining method of a special-shaped locking gasket with a hole and a stamping die tool of the special-shaped locking gasket with the hole. Comprising a base, a blanking and punching die, discharging rubber, a discharging plate, an upper support, a die handle, a pushing rod, a base plate, a male die base, a blanking female die, a discharging device, a pushing block and a punching male die, a machine tool is started, an upper die of the punching die tool is lifted and separated from a lower die, then a long-strip-shaped plate blank is placed on the discharging plate, the upper die of the punching die tool is pressed downwards to a fixed distance, and the punching male die is pressed downwards. The special-shaped stop gasket with the hole is punched by pushing the push rod to eject the punched and formed special-shaped stop gasket with the hole down, one-time punching machining of the special-shaped stop gasket with the hole is completed, and continuous punching machining can be carried out by repeating the operation, so that the machining efficiency of the special-shaped stop gasket with the hole is improved. By the adoption of the structure, one-time stamping forming of the special-shaped locking gasket with the hole is achieved, the process route is simple, operation is easy and convenient, and the requirement for mass production can be met.

The invention relates to a machining mechanism for electric tool accessories, which is applied to the technical field of accessory machining equipment and comprises a mounting worktable, a stamping cylinder mounted at the upper end of the mounting worktable, a stamping head fixed at the lower end of the stamping cylinder and a clamp mounted below the stamping cylinder and matched with the stamping head. A multi-station rotating disc is rotationally connected to the table top of the installation workbench, the clamp is installed in the multi-station rotating disc, the punching cylinder and the punching head are fixedly connected through a fixing plate, and a driven assembly is installed on one side of the fixing plate and used for driving the multi-station rotating disc to rotate clockwise in the lifting process of the fixing plate. An opening and closing piece is fixed to the table top of the mounting workbench and used for enabling the clamp to be opened or clamped, by the adoption of the driven assembly, the opening and closing piece and other structures, the cost of the machining mechanism for the electric tool accessories is reduced, meanwhile, energy consumption in the machining process is reduced, low-cost environment-friendly machining operation is achieved, and the machining efficiency of the electric tool accessories is improved. And the production cost of electric tool accessories is reduced.

The utility model discloses a hardware mold punching device, and relates to the field of hardware mold processing technology. The utility model includes a device body, a hydraulic rod and a bellows are respectively installed on the upper part of the inside of the device body, the output end of the hydraulic rod is connected to a mounting frame, piston rods extending to the inside of the bellows are installed on both sides of the top of the mounting frame, and the utility model is provided with a bellows, an air duct, an annular tube, a semiconductor refrigeration sheet, a piston rod and a piston plate, when the hydraulic rod pushes the mounting frame to move downward, the piston rod will pull the piston plate to move downward, and then the outside air will enter the bellows along the nozzle, the annular tube and the air duct, and the semiconductor refrigeration sheet will cool the air, and after the punching is completed, the hydraulic rod drives the mounting frame to move upward, so that the piston rod pushes the piston plate to move upward, and the cold air in the bellows is blown to the punching head through the air duct, the annular tube and the nozzle, so as to cool the punching head.

The invention belongs to the technical field of gearbox production, and particularly relates to a thin-wall cylinder tapping device and method in a planetary structure gearbox. The thin-walled cylinder workpiece tapping device is reasonable in structural design and mainly comprises a platform, a rotary bearing, a positioning mechanism, a support, a first push rod, a movable frame, a vertical linear guide rail pair and a tapping mechanism, the positioning mechanism is used for adsorbing and locking a thin-walled cylinder workpiece, and the rotary bearing is used for driving the positioning mechanism and the thin-walled cylinder workpiece to rotate in the circumferential direction; the distance between the tapping mechanism and the thin-walled cylinder workpiece is adjusted through the first push rod, the height position of the tapping mechanism is adjusted through the vertical linear guide rail pair, and the tapping requirements of different positions of a cylinder part in the thin-walled cylinder workpiece are met in this way. And meanwhile, an anti-deformation suction cup is additionally arranged in the punching mechanism and can adsorb and lock the peripheral part of the punching part in advance before punching, so that when the punching die head carries out punching operation, the peripheral part cannot be deformed.

The invention provides a rapid forming device for a stamping die, which is applied to the field of stamping dies and comprises a movable die set and a fixed die set, the movable die set and the fixed die set are used for simultaneously stamping and forming an N-type workpiece and a shell workpiece, a pin column is assembled between the N-type workpiece and the shell workpiece, the movable die set comprises a movable die seat, and a female die core and a female die column are arranged on the movable die seat; the fixed die set comprises a fixed die base, and a male die core and a slide mechanism are arranged on the fixed die base. Punching assembling mechanisms are further symmetrically arranged on the two sides of the fixed die base. According to the automatic pin column forming and assembling machine, the automation degree is high, forming of an N-type workpiece and a shell workpiece and assembling of pin columns can be completed at the same time in the one-time punching process, multiple traditional punching and assembling procedures are integrated into a continuous operation process, the production efficiency is improved, the production cost is reduced, and the production efficiency is improved. And the production efficiency of the automobile hinge is improved.

The invention provides a stamping die waste discharging mechanism, and relates to the technical field of stamping auxiliary equipment, the waste discharging mechanism comprises a discharging slide way and two blowing assemblies, and the bottom wall of the discharging slide way is provided with a plurality of material distribution discharging ports; a material supporting plate assembly is arranged on the inner side of each material distributing and discharging opening; a set of material blocking roller components are arranged on the side portion of each material distributing and discharging opening, the bottom of the material discharging sliding way is provided with a plurality of material blocking roller driving components connected with the bottoms of the material blocking roller components, and the material blocking roller driving components can act on the bottoms of the material blocking roller components so that the material blocking roller components can alternately rotate forwards and backwards. A jacking connecting rod is arranged at the top of the air blowing assembly, and the jacking connecting rod can act on the air blowing assembly when being pressed so that the air blowing assembly can spray air flow to the material receiving area; when the die assembly is in a die assembly state and punches the workpiece, the die assembly can press the jacking connecting rod downwards.

The invention discloses automatic assembly equipment and method for a pressure cooker. The equipment comprises a punching device, a riveting device and a rotary conveying device. The punching device comprises an outer side punching mechanism, an inner side punching mechanism and a punching lifting driving mechanism used for driving the outer side punching mechanism and the inner side punching mechanism to conduct lifting movement, and the outer side punching mechanism comprises a male die punch and a male die driving mechanism used for driving the male die punch to be close to or away from the outer wall of the cookware. The inner side punching mechanism comprises a female die base and a female die driving mechanism used for driving the female die base to be close to or away from the inner wall of the cookware. The rotary conveying device comprises a rotary workbench, a rotary driving mechanism used for driving the rotary workbench to rotate and a positioning mechanism arranged on the rotary workbench and used for positioning the cookware. The mounting base can be automatically assembled on the cookware, time and labor are saved, and the working efficiency is high.

The utility model discloses a stamping die with a quick-change structure, which comprises an upper die part and a lower die part which are oppositely arranged, the upper die part comprises an upper die seat, an upper padding plate, a clamping plate and a convex die plate which are sequentially arranged, the lower die seat comprises a concave die plate, a lower padding plate and a lower die seat which are sequentially arranged, a punch is arranged in the upper die part, and the upper die part and the lower die part are arranged in the lower die seat. A punching hole is formed in the lower die base in a penetrating mode and corresponds to the position of the punch, a connecting block is detachably arranged in the upper die part, and the connecting block is arranged between the upper die base and the clamping plate and located above the punch. On the premise that the die body is not detached, the punch can be rapidly detached and replaced, the replacement time of the punch is greatly shortened, the machining efficiency can be improved, the production cost can be reduced, meanwhile, the service life of the die is guaranteed, and the machining quality is guaranteed.

The utility model discloses a punching assembly and a section bar processing production line, and the punching assembly comprises a rack which is provided with a first conveying device; the two punching devices are located on the two sides of the first conveying device correspondingly, and the two punching devices are movably connected to the rack; the two punching devices are both provided with lower dies, the two lower dies are both provided with die cores opposite to each other, each die core is provided with a material hanging part, the punching devices are connected with a material pressing mechanism, the material pressing mechanism is provided with a push rod, and the moving path of the push rod passes through the horizontal plane where the corresponding material hanging part is located; a vertical die hole is formed in a die core of the punching device, and a stamping upper die is arranged at the position corresponding to the vertical die hole. And the lifting mechanism is provided with a lifting part, and the lifting part is located between the two lower dies. The punching assembly can achieve automatic punching of the narrow face of the rectangular pipe, the machining efficiency is effectively improved, the rectangular pipe can be prevented from toppling over during conveying, and the machining stability is improved.

The invention discloses drilling and riveting power equipment for large-size composite components, and particularly relates to the technical field of riveting machining, the drilling and riveting power equipment comprises a riveting power assembly, a to-be-riveted workpiece and a supporting tool assembly, the riveting power assembly is driven by a first manipulator to move, and the supporting tool assembly is used for supporting the to-be-riveted workpiece; the riveting power assembly comprises an execution base, and a riveting gun and a feeding pipe are arranged on the execution base. A positioning seat is further arranged at the bottom of the execution seat, a first vacuum adsorption structure is fixedly connected to the bottom of the positioning seat, and a nail storage device is arranged on the positioning seat. The first vacuum adsorption structure is used for reversely adsorbing the to-be-riveted workpiece, and the positioning seat is used for auxiliary supporting, so that the butt joint of the riveting gun and the riveting hole is more accurate during actual riveting, meanwhile, the situation that the to-be-riveted workpiece is excessively pushed during rivet feeding, and consequently the to-be-riveted workpiece is deformed or damaged can be avoided, and the riveting efficiency is improved. And the actual riveting precision is further improved.

The utility model belongs to the technical field of metal stamping, and relates to a disc-shaped belt ear piece transfer die capable of saving the width of a material belt, which comprises a feeding guide groove, a feeding punching unit, a rotating unit, a raising unit and a punching trimming unit which are arranged along the conveying direction of the material belt, the working sections of the feeding and punching unit, the rotating unit, the raising unit and the punching and trimming unit are conveyed to the next working station by adopting the stepping conveying unit; the feeding and punching unit is used for cutting a blank with a disc-shaped lug piece on a material belt, the cutting part is a waste area, an included angle of 30-60 degrees is formed between the symmetry axis of the blank and the conveying direction of the material belt, and the rotating unit is used for rotating the blank to an angle that the symmetry axis is perpendicular to the conveying direction of the material belt. Under the condition that the stepping distance is not affected, more materials in the direction of the waste material area can be utilized at the position where the lug part is located, the width needed by the material belt is not the length of the symmetry axis of the blank, the symmetry axis serves as a right-angle side of the bevel edge, and therefore the width of the material belt can be saved.

The invention is suitable for the technical field of aluminum template punching, and provides an aluminum template punching device which comprises a feeding base, rotating supporting plates are rotationally arranged on the two sides of the feeding base, a lifting base is arranged above the feeding base in a sliding mode, a forward rotating shaft and a reverse rotating shaft are rotationally arranged on the lifting base, and a rack base, a driving part and a driven part are arranged on the reverse rotating shaft; a driving lever is arranged on the driven piece; a lifting plate capable of ascending and descending is arranged below the lifting seat, and a plurality of suction cups are arranged on the lifting plate; the punching base is arranged at one end of the feeding base, the two sides of the punching base are each provided with an outer clamping sleeve, an inner clamping sleeve and a punching base, and punching heads are arranged on the punching bases. Therefore, automatic transposition of the aluminum die workpiece can be completed, double-side punching of the aluminum die workpiece is achieved, the occupied area of the device is reduced, the operation efficiency is improved, the punching position can be adjusted, and different machining requirements are met.