1001 results about "Punch press" patented technology

The invention discloses aluminum alloy plate casting equipment and an automobile plate casting method, and relates to the field of casting equipment.The aluminum alloy plate casting equipment comprises a machine table, a movable mold base and a fixed mold base are arranged on the machine table, a movable mold is rotationally connected to the movable mold base, a fixed mold is rotationally connected to the fixed mold base, and the movable mold base can horizontally move on the machine table; the fixed die can drive the movable die to rotate, a feeding pipe and a punch are connected to the movable die, a feeding hole is formed in the feeding pipe, the punch is arranged in the feeding pipe, and when the punch presses raw materials into the die cavity, the movable die and the fixed die rotate. Molten aluminum alloy is moved towards the edge of the mold cavity through centrifugal force and is injected into the center of the mold cavity in a matched mode, so that the mold cavity is rapidly filled with the molten aluminum alloy, the forming efficiency is improved, the filling effect of the molten aluminum alloy on the edge of the mold cavity is good, the forming quality of a product is improved, and the product is not prone to bubbles or defects. The cooling problem of the rotatable fixed mold is solved, and the product cooling effect is guaranteed.

The invention relates to the technical field of numerical control punching machines, in particular to an intelligent punching control method and system of a high-precision numerical control punching machine, a medium and computer equipment. According to the method, the initial parameters are acquired, the coupling model is constructed, the complex coupling relationship among the parameters is quantitatively analyzed, the interaction among the parameters is accurately captured, and the weighted value is dynamically adjusted to realize multi-parameter collaborative optimization, so that the globality and stability of the optimization process are ensured, and the optimization efficiency is improved. An improved particle swarm optimization algorithm is adopted to solve a collaborative optimization objective function, optimization efficiency and precision are effectively improved, an optimization scheme is verified through a virtual stamping test and real-time data acquisition, it is ensured that the optimization scheme can keep a low parameter fluctuation index in the actual stamping process, and the optimization efficiency and precision are improved. Through construction and dynamic optimization of the multi-parameter coupling model, the problem that the global optimal solution is difficult to realize due to the fact that mutual influence among parameters cannot be fully considered in single-parameter adjustment in the prior art is effectively solved.

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 invention relates to a stamping method and die for a Z-shaped connecting rod capable of saving a die surface. The method comprises the steps of positioning hole punching, pre-punching, chambering and bending blanking. The die comprises an upper die and a lower die, the bending die comprises a bending supporting block located on the lower die, a first bending punch and a second bending punch, the first bending punch and the second bending punch are located on the upper die, the upper surface of the bending supporting block is matched with the lower surface structure of the Z-shaped connecting rod, the feeding side of the bending supporting block is higher than the discharging side, and the lower end of the first bending punch is matched with a second plane part and corner upper structures at the two ends of the second plane part. The lower end of the second bending punch presses the upper surface of the first plane part; the blanking die comprises a blanking supporting block located on the lower die and a blanking punch located on the upper die, and a blanking hole matched with the cross section structure of the blanking punch is formed in the blanking supporting block. A guide pin located on the upper die is arranged between the bending die and the blanking die, and the guide pin is matched with the structure of the second through hole. According to the arrangement mode, two machining operations are completed in one working step, so that a die surface is saved.

The utility model discloses a punch press for processing automobile parts, and relates to the technical field of automobile parts processing, the punch press comprises a control box and positioning pieces, a punching main body is installed above the control box through a connecting piece, a top plate is installed at the lower end of a punching arm, and the positioning pieces are installed on the left side and the right side of the lower surface of the top plate. High-strength bolts are installed on the front side and the rear side of the top plate correspondingly, and the positioning piece is sleeved with a stamping die cutter. A workbench is installed on the upper surface of the control box, and a forward and backward lead screw is installed in the built-in groove. The punching machine for machining the automobile parts is provided with the high-strength bolts and the abutting blocks, by rotating the high-strength bolts, the high-strength bolts can drive the abutting blocks on the lower portion to move upwards or downwards, disassembly and downward movement of a stamping die cutter are completed, the abutting blocks are made to abut against the stamping die cutter in an extruding mode, and installation of the stamping die cutter is completed; and therefore, the stamping die cutter can be replaced conveniently.

The invention relates to the technical field of steel sheet machining, and discloses an automatic steel sheet feeding mechanism for punching machine machining and a using method thereof.The automatic steel sheet feeding mechanism comprises a punching machine workbench used for fixedly installing a lower die, and leveling equipment used for leveling a to-be-machined steel sheet is arranged on one side of the punching machine workbench; the traction units are arranged between the punching machine workbench and the leveling equipment, the traction units are used for automatically guiding a first section of steel sheet plate conveyed out of the discharging end of the leveling equipment to the upper surface of the lower die, and the traction units are symmetrically arranged about the middle axial face of the steel sheet; according to the automatic feeding mechanism for the steel sheets machined by the punching machine, an existing automatic feeding mechanism for the steel sheets machined by the punching machine is improved, under the action of the designed traction unit and the designed moving unit, full-automatic operation that the head-end-section steel sheet plates enter the upper surface of the lower die is achieved, and the phenomenon that the steel sheets deviate or fail to feed when entering the lower portion of the punching machine for the first time and finally leaving the lower portion of the punching machine is prevented; and the feeding operation of the steel sheet plate material can be more accurately realized.

The utility model relates to a stamping device, in particular to a mobile phone middle plate multi-station stamping device. Comprising a machine table, electric guide rails, first electric push rods, connecting rods, suction cups, a vacuum pump, a storage table, an air cylinder and a supporting frame, the three electric guide rails are arranged on the rear side of the top end of the machine table at intervals, moving pieces of the electric guide rails are connected with the first electric push rods, and push rods of the first electric push rods are connected with the connecting rods; and six storage tables are arranged in the middle of the top end of the machine table at intervals, air cylinders are arranged in the front, back, left and right directions of the top end of the leftmost storage table, and three supporting frames are arranged at the top end of the machine table at intervals. A mobile phone middle plate is stamped through the first stamping die core, the second stamping die core and the third stamping die core, three times of stamping of different structures of the mobile phone middle plate are achieved through one device, and work efficiency is greatly improved.

The utility model provides a round shaft square tenon punching device. The round shaft square tenon punching device comprises a base; the base is fixedly connected with a fixed die holder, a first female die is installed on the fixed die holder, a first blade assembly is arranged on the first female die, and a circular groove is formed in the first female die; the sliding die base is connected to the base in a sliding mode, and a second female die is installed on the sliding die base. The upper die base is provided with a die handle and a first wedge, the upper die base is installed on a punch press sliding block through the die handle, and the end, away from the upper die base, of the first wedge abuts against the sliding die base. And in the downward moving process of the upper die base, the sliding die base is pushed to move towards the fixed die base, and opposite punching machining is conducted on a target circular shaft. The utility model relates to a stamping die, in particular to a stamping die, and aims to solve the problems that in the background technology, common stamping is adopted in the traditional production process, a stamping surface has inclination due to the influence of a stamping gap, a rough tearing surface exists, and burrs exist on an upper opening.

The invention relates to a forming system for a cylindrical part with an inner rib. The forming system comprises a moving assembly, a hoisting table, a male die pressing assembly, a female die pressing assembly and a base. The moving assembly is connected with the hoisting table; a hollow cavity is formed in the hoisting table; one end of the connecting rod penetrates through the hollow cavity and is fixedly connected with the hoisting table; the male die pressing assembly comprises a rotary joint piece and a male die which are connected, a first through hole and a second through hole which are matched with the connecting rod are formed in the center of the rotary joint piece and the center of the male die respectively, and the end, away from the lifting table, of the connecting rod sequentially penetrates through the first through hole and the second through hole and is connected with the rotary joint piece and the male die; the rotary joint piece is arranged in the hollow cavity, and one or more reinforcing rib grooves are formed in the male die; the female die pressing assembly comprises a limiting end cover, a female die and an ejection disc, the limiting end cover is arranged at the top of the female die, the ejection disc is arranged at the bottom of the female die, a condensation assembly is arranged in the ejection disc, and a rotating mechanism is further arranged in the base.

A feeder device for a punch press moves nuts on the carrier strip from a supply reel into the feeder which then presents them for delivery to the workpiece insertion site. The punch of the press picks each individual fastener from the feeder and delivers it to a workpiece below where the punch presses the nut into the workpiece. The feeder only requires a press with downwardly applied force and requires no additional energy source for its operation other than that transmitted by the downward force of the press. A drive mechanism of the feeder is powered by a camming action against the press punch which rotates a fastener-engaging feed wheel to advance the carrier strip into and through the feeder. A bifurcated feed track separates fasteners from the carrier strip and delivers the loose fasteners into the feed wheel which positions them at a pickoff site.

An electromechanical integration analysis and simulation method of a servo punch press kinematic mechanism includes: constructing a model of a virtual servo punch press and a model of a virtual workpiece and importing the models into a simulation software; setting structural parameters and material parameters of the virtual servo punch press and the virtual workpiece; simulating dynamic characteristics of the virtual servo punch press and stamping characteristics of the virtual workpiece by the simulation software; establishing a simulated stamping process for press-forming the virtual workpiece by the virtual servo punch press; driving a servo punch press to press-form a workpiece by a control core, which is compared with the simulated stamping process through a simulated virtual and real comparison program to generate a comparison result; analyzing an actual motion curve of the servo punch press according to the comparison result to optimize the servo punch press.

The utility model discloses a punch press device with a protection mechanism, which belongs to the technical field of punch press protection, and comprises a punch press body, a lathe table, an upper die and a lower die, a punching area is arranged above the lower die, and a pair of side plates is fixedly connected on one side of the lathe table close to a staff station. A pair of side plates is fixedly connected to the lathe table, grating sensors are installed at the ends, close to each other, of the pair of side plates, a pair of back plates is further fixedly connected to the lathe table, and a storage plate is movably connected to the pair of back plates. Whether a worker takes and places a workpiece in a risk area or not can be monitored in real time, once it is detected that the hand enters the area, a signal is triggered immediately, the pneumatic push rod drives the check block to move between the upper die and the lower die, the safety of stamping operation is remarkably improved, and industrial accidents are effectively prevented while the production efficiency is not affected.

The utility model discloses a pressing tool for pressing a flexible graphite polar plate, which is characterized in that a first flexible graphite sheet and a second flexible graphite sheet are respectively arranged on a first lower template and a second lower template, and are punched downwards through a punch; the area, corresponding to the ridge forming the flow channel, in the second flexible graphite sheet and the first flexible graphite sheet are pressed into a prefabricated plate through a punching sheet on the punch, the area, corresponding to the ridge forming the flow channel, in the second flexible graphite sheet is removed, and the prefabricated plate is prepared and used for subsequently preparing the flexible graphite polar plate. Therefore, the density consistency of a flow field area of the prepared flexible graphite polar plate is improved, the compactness of a runner ridge is improved so as to eliminate stamping cracks, the mechanical strength of the polar plate is improved, the service life of the polar plate is prolonged, and the performance and the service life of a fuel cell are improved.

The multi-station punching machine comprises a machine base, a feeding cavity is formed in the machine base, an opening of the feeding cavity is upward, a feeding mechanism is arranged in the feeding cavity, a pushing mechanism is arranged on the upper surface of the machine base, the feeding mechanism intermittently conveys punching stations to be punched to the pushing mechanism, and the pushing mechanism is arranged on the upper surface of the machine base. The upper surface of the machine base is rotationally connected with a rotating mechanism, the rotating mechanism is located on the side, away from the pushing mechanism, of the feeding cavity, the rotating mechanism comprises a hollow rotating disc rotationally connected with the machine base, and the upper surface of the hollow rotating disc is flush with the upper surface of the machine base and provided with a plurality of fixing devices. The fixing devices are provided with fixing mechanisms used for clamping the stamping stations, and the pushing mechanism intermittently and sequentially pushes the stamping stations to be stamped to the fixing devices.

The utility model discloses an automatic feeding device of punch press, including the fixed base of punch press front end, is provided with the groove type ring on the inside wall of fixed base both sides, is provided with the inner tooth on the inside wall of groove type ring, the both sides of groove type ring are provided with the extension rod respectively, is provided with the transverse limit piece on the inside wall of fixed base both sides respectively, and the extension rod is inserted on the limit piece to both ends, the fixed base both sides are provided with the drive motor of inserting to the inside, and the rotating shaft of drive motor passes the end of fixed base inside wall and is provided with the drive half tooth of engaging with the inner tooth, the top of groove type ring is provided with a plurality of vertical rods, and the top of vertical rod is provided with the oblique push rod of touching on the material. The utility model has the advantages and effects as follows: through this automatic feeding device, under the action of drive motor, make groove type ring reciprocating movement in longitudinal direction, thereby can push the material forward and enter punch press below, improve the security of staff when placing material.

This invention discloses a stamping shearing machine, relating to the field of shearing machine technology. It includes a frame, a swing assembly comprising a swing blade holder rotatably connected to the middle of the inner side of the frame, a first optical axis fixedly connected to the side of the swing blade holder facing the loading platform, multiple short rods rotatably connected to the first optical axis at uniform intervals along the first optical axis, and main hydraulic cylinders fixed to both sides of the frame for driving the swing blade holder to perform arc swinging. A movable blade assembly includes a blade holder located inside the upper part of the frame, and vertical guide rails slidably connected to both ends of the blade holder. Power is transmitted through the swing blade holder driving the short rods. During the shearing stage, the horizontal component of the force transmitted by the short rods pushes the lower end of the vertical guide rail against a limiting block, ensuring shearing accuracy and cut smoothness. During the return stage, the horizontal component of the force transmitted in the opposite direction by the short rods pulls the lower end of the vertical guide rail away from the limiting block, preventing blade scraping during the return stroke and effectively reducing burrs and debris adhesion.

The utility model relates to the field of machining, and discloses an electric device machining punch press with a positioning mechanism, which comprises an upper shell and a workbench, a clamping and positioning component is arranged at the top of the workbench and used for clamping and positioning a workpiece, a first hydraulic rod is fixedly connected to the bottom of the upper shell, and a second hydraulic rod is fixedly connected to the bottom of the upper shell. A first connecting plate is fixedly connected to the telescopic end of the first hydraulic rod, a clamp is slidably connected to the bottom of the first connecting plate, a cutter is fixedly connected to the bottom of the clamp, second hydraulic rods are fixedly connected to the left side and the right side of the rear portion of the upper shell, and a supporting plate is fixedly connected to the bottoms of the second hydraulic rods. A plurality of evenly-distributed supporting rods are fixedly connected to the bottom of the supporting plate. According to the utility model, the fixing bolt can drive the cylindrical pin to move upwards, the limitation of the clamp in the horizontal direction is relieved, the clamp can be taken out through horizontal movement, and the cutter can be quickly replaced, so that the downtime of equipment can be obviously reduced, the labor cost is reduced, and the production efficiency is improved.

The present application provides a high-speed mechanical punch press with a punch rotating stripping and discharging method, which includes a machine base, a frame, a die assembly, a punch assembly, and a stripping assembly. The frame is fixedly mounted on the upper end of the machine base, and a die assembly is installed on a driving guide on one side of the lower part of the frame. The die assembly can move back and forth laterally in the frame, abutting against the punch assembly or away from the punch assembly; the punch assembly is limitedly installed on the other side of the lower part of the frame, and the punch assembly is connected to a rotary drive mechanism that can drive the punch assembly to rotate at its installation position; the stripping assembly is installed on the punch assembly. The technical solution of the present application changes the long-standing upper and lower die structures of the punch press, and innovatively designs a method in which the die moves and the punch rotates. During the process of the punch rotating 90 degrees, the material is stripped simultaneously through the eccentric disk. There is no pushing mechanism and no time taken up by pushing, which can achieve high speed and be applicable to the processing of workpieces of various sizes.

1. Name of the product in this design: Handheld punch press. 2. Purpose of this design: For drilling holes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model discloses a bottom dead center stop and limit structure for a punch press linkage, including a punch press frame, a punch, and a lower die base. A sliding channel is provided inside the lower die base, and a pull rod is movably inserted into the sliding channel. A guide fixing plate is provided above the pull rod extending from the sliding channel. A guide post is provided on the guide fixing plate, and a second guide fixing plate is provided between the guide posts. A cutting fixing plate is also provided between the guide posts, and a cutting die is provided on the cutting fixing plate. A cutting pressure blade is provided below the second guide fixing plate. An eccentric connecting rod is sleeved below the pull rod. A connecting rod bracket is provided on the side of the lower die base, and a blanking stretching limit assembly is hinged to the connecting rod bracket. The blanking stretching limit assembly includes a transmission chain, a cam, a follower wheel, and a force-saving connecting rod. The force-saving connecting rod is hinged to the connecting rod bracket, with one end of the force-saving connecting rod hinged to the follower wheel. The other end of the force-saving connecting rod is connected to the eccentric connecting rod, and the other end of the transmission chain is connected to the cam. The cam and the follower wheel cooperate. This utility model extends the service life of the die.

The utility model relates to a waste discharge net system of a punch press for basic caps of easy-to-pull caps, which comprises a platform plate, two groups of mounting brackets are symmetrically arranged at the top of the platform plate, and a roller is connected between the two groups of mounting brackets through a spherical bearing with a seat; the lower rubber wheel pressing assembly is composed of two fixing supports, air cylinders and a rubber wheel part, the two fixing supports are arranged on the outer sides of the two mounting supports respectively, the rubber wheel part located over the rolling wheels is arranged between the two fixing supports, and the two ends of the rubber wheel part are connected with the fixing supports through the air cylinders. The utility model relates to the technical field of easy-open lid production lines. According to the waste net discharging system for the basic easy-open lid punching machine, through the arranged pressing rubber wheel assembly, when a waste net piece enters a discharging port of the punching machine, a rubber wheel piece can be pressed downwards through an air cylinder, the rubber wheel piece is matched with a rolling wheel to press the waste net piece, then the rolling wheel can push out the waste net piece through driving of a motor, the waste net piece can be effectively prevented from being stacked at the discharging port, and the waste net piece is prevented from being damaged. Therefore, the production efficiency of the easy-open lid is effectively improved.

The invention relates to the technical field of automobile part production, and discloses a continuous stamping device for automobile part production, which comprises a supporting structure, a stamping structure, an auxiliary structure and a fixing structure, the stamping structure is arranged in a frame of the supporting structure, the auxiliary structure is arranged on the supporting structure, and the fixing structure is arranged on the supporting structure. The fixing structure is located below the auxiliary structure, the punching structure comprises a punch gasket, an impact rod, a punch pressing plate and an alloy punch, the punch gasket is fixedly arranged in the center of the lower surface of the platform top plate, and the impact rod is fixedly arranged below the punch gasket. The continuous stamping device for automobile part production is provided with a stamping structure, the stamping structure comprises a punch pressing plate and a rotary stamping die body, the punch pressing plate helps rapid demolding after single stamping is completed, the rotary stamping die body changes a stamping die body of an automobile part into rapid rotation switching setting, and the stamping die body and the rotary stamping die body are subjected to rapid pressing breaking and rapid switching; and the continuous punching efficiency is improved.

The invention relates to a driving device for a slide block of a punching machine, which comprises a slide block, a first driving rod group, a second driving rod group, a driving shaft, a driven shaft and a power unit, and is characterized in that the first driving rod group is matched with the second driving rod group, and the driving shaft, the driven shaft and the power unit are in meshing transmission. Therefore, the sliding block has a good supporting effect in the stamping operation process, and the stamping quality is improved. In addition, the power unit controls the meshing position of the driving shaft relative to the first driving rod group, so that the stroke of the sliding block can be changed, and the effect that the stroke of the sliding block is easy to adjust is achieved.

The intelligent punching machine feeding system comprises a punching machine assembly and an automatic feeding assembly, and the punching machine assembly comprises a punching machine table, a punching driving oil cylinder, a punching movable plate, a punching upper die and a punching lower die; the automatic feeding assembly comprises a feeding machine table, an upper feeding roller, a lower feeding roller and a servo driving motor, the feeding machine table comprises a fixed bottom plate, and a movable lifting frame driven by a worm and gear lifting machine is arranged on the upper end side of the fixed bottom plate; the movable lifting frame is provided with a left vertical plate and a right vertical plate, and the lower feeding rollers are installed on the left vertical plate and the right vertical plate. Left and right movable plates driven by a driving cylinder are mounted at the upper end parts of the left and right vertical plates; the upper feeding rollers are mounted on the left and right movable plates; the punching machine table is provided with an upper die sensor, and the punching lower die is provided with a product sensor; the intelligent punching machine feeding system further comprises a controller. The intelligent punching machine feeding system has the advantages of being novel in structural design and high in intelligent degree, and efficient linkage of the punching action and the feeding action can be achieved.

The application discloses a bar rolling blanking device and belongs to the technical field of bar rolling, which comprises an upper die and a lower die, wherein the upper die comprises an upper die bottom plate, a punch and a pressing rod; the punch and the pressing rod are arranged below the upper die bottom plate; the lower die comprises a lower die bottom plate, a positioning support, a positioning wheel, a bearing support, a rolling wheel set and a floating positioner; the positioning support, the bearing support and the floating positioner are arranged above the lower die bottom plate; a limiting guide groove is formed in one side of the positioning support; the bearing support is hinged with the rolling wheel set on the side close to the positioning support; the floating positioner is located below the pressing rod and moves up and down along with the pressing rod. Compared with the prior art, the application has the advantages of simple manufacturing and installation, low maintenance cost, guaranteed blanking quality, reduced labor cost and labor intensity, and can be operated by using general stamping equipment such as punch presses or oil presses, without the need of using special equipment such as roll forging machines and wedge cross rolling machines.

The invention provides magnetic drive die changing equipment, a magnetic drive die changing system and a magnetic drive die changing method. The magnetic drive die changing equipment is used for changing a die in a punching machine and comprises a magnetic drive transferring mechanism, a turnover mechanism, a push-pull mechanism and a plurality of die clamping mechanisms. The magnetic drive transferring mechanism comprises a rack, a first sliding table and a second sliding table, and a stator of the rack magnetically drives a first rotor of the first sliding table and a second rotor of the second sliding table so that the first sliding table and the second sliding table can move. And the turnover mechanism can be used for moving the die in a transportation state, and can form a channel between the rack and the punching machine in a storage state. The push-pull mechanism is used for pulling the die from the punching machine to the rack or pushing the die from the rack to the punching machine. The multiple die clamping mechanisms are used for driving the die clamping blocks to fix an upper die or a lower die of the die. According to the magnetic drive die replacing equipment, the first sliding table and the second sliding table are driven in an electromagnetic mode to carry heavy dies, the effects of higher carrying speed, higher moving precision, smaller abrasion and the like can be achieved, and the die replacing efficiency is improved.

The present application relates to the technical field of stamping die, and discloses a non-woven fabric reinforced plastic pad stamping die, which comprises an upper die unit, a lower die unit and a blockage prevention system; the lower die unit comprises a lower die main body, the lower die main body is sequentially provided with a punching station and a blanking station along the feeding direction of the material belt, and the lower die main body is provided with a blanking channel which is in communication with the lower part of the punching station and the blanking station respectively; the blockage prevention system comprises a blowing execution module which is correspondingly arranged in the blanking channel, a gas supply module which is used for providing a gas source for the blowing execution module and a control module. The blockage prevention system is provided, the blowing unit and the posture sensing unit which are arranged in a high-low staggered manner work cooperatively, the accurate positioning and directional blowing of the jammed material are realized, only the downward thrust is applied from the upper part of the material, the reverse airflow is completely avoided, the success rate of breaking the jam is high, and long-time continuous unmanned production can be realized.

The utility model discloses a full servo high -speed punch groove machine with tangential straight line chute punch -stamping structure, including punch press bottom plate, index seat and tablet seat, inside one end of punch press bottom plate is installed with bearing seat, and one end of bearing seat is installed with first servo motor, the output shaft of first servo motor is connected with ball screw drive, and ball screw is installed inside punch press bottom plate, the utility model discloses, when processing, drive ball screw to rotate through first servo motor, cooperate nut seat to drive index seat whole left and right translation, synchronously drive fixed silicon steel sheet on index shaft to translate, and then adjust the punch groove position of silicon steel sheet, and this design makes full use of the inside space of index seat and punch press bottom plate, does not need to adjust the thickness of workstation board, gives the maximum spacing between workstation board and punch head, and is convenient for mould replacement and robot silicon steel sheet taking and placing, and the workstation board of fixed installation helps to improve the punch groove precision.

This application discloses a stabilizing structure for a punch press body, belonging to the technical field of punch press components. It provides a stamping die transmission structure that effectively improves the stability of the punch press body. The structure includes a frame, a crank, a lifting plate, and counterweights. The frame includes a pair of crossbeams, each with a guide post fixedly connected to its bottom surface. All guide posts are parallel. Each crossbeam has a diagonal cantilever fixedly connected to its top surface. The projections of the two diagonal cantilevers on the left-right plane are symmetrical about the vertical line. The crank is rotatably connected to the two diagonal cantilevers. The crank includes a central shaft, one end of which is connected to a left connecting plate via a central connecting plate. The left connecting plate is connected to a left second connecting plate via a left rotating shaft. This application designs a pair of counterweights that can slide along the inclined direction, and through synchronous linkage between the crank and the lifting plate, effectively cancels out the reaction force of the lifting plate during movement, thereby reducing the force transmitted from the crank to the punch press body. This transmission structure improves the stability of the punch press body.

This invention discloses a servo pump-controlled hydraulic power device with energy recovery and its control method. The device includes an electro-hydraulic bidirectional servo pump assembly, a hydraulic cylinder, an oil tank, and an accumulator. The hydraulic cylinder drives the reciprocating motion of a hydraulic press or punch press slide. An oil chamber is formed in the oil tank and connected to the upper chamber of the hydraulic cylinder through a filling valve. Preferably, this invention employs a top-mounted oil tank structure positioned above the end of the hydraulic cylinder. The suction side of the bidirectional hydraulic pump is connected to the oil chamber of the oil tank, and two working ports are respectively connected to the upper and lower chambers of the hydraulic cylinder and the accumulator branch. During the rapid downward movement of the slide due to its own weight, the pressure oil in the lower chamber drives the bidirectional hydraulic pump to fill the accumulator, achieving energy recovery. During the slide return phase, the accumulator releases high-pressure oil, which, combined with the output of the bidirectional hydraulic pump, drives the hydraulic cylinder. This, along with displacement and / or force feedback, achieves servo control, thereby reducing the power demand of the servo motor and improving system energy efficiency and structural integration.