851 results about "Punch press" patented technology

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 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 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.

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 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 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.

The invention relates to the technical field of cable installation equipment, and discloses a cable installation accessory and machining equipment thereof.The cable installation accessory comprises a punching machine, a feeding mechanism is arranged on one side of the punching machine and composed of a supporting frame and a conveying assembly, the conveying assembly is installed on the supporting frame, and the conveying assembly is supported through the supporting frame; the conveying assembly is composed of a concave conveying plate and a conveying roller, the conveying roller is rotationally installed on the concave conveying plate, the conveying roller is arranged to convey the copper-aluminum circular pipe, the heating straightening roller is arranged on the conveying roller to make contact with the copper-aluminum circular pipe, and under the combined action of the heating straightening roller and the conveying roller, the copper-aluminum circular pipe can be straightened, and the copper-aluminum circular pipe can be straightened. And in the process, the copper-aluminum circular pipe can be subjected to external correction, and the situation that the copper-aluminum circular pipe is bent, and follow-up machining is affected is avoided.

The invention discloses an automatic cleaning method and system for a stamping production line, and relates to the technical field of production line cleaning.The automatic cleaning method comprises the steps that production operation parameters of the stamping production line are obtained, and a predictive dirt map is generated based on a dirt prediction model; a 3D visual sensing device is used for scanning a target area, and a real-time dirt atlas is generated; performing fusion comparison on the real-time dirt map and the predictive dirt map to generate a cleaning execution instruction; and according to the cleaning execution instruction, a matched mechanism is adaptively selected from multiple cleaning mechanisms, and cleaning operation is executed on the target area. The method has the beneficial effects that through fusion comparison of the predictive dirt atlas and the real-time dirt atlas, the cleaning mode change from passive response to active prediction is realized, dirt distribution can be accurately predicted, the optimal cleaning mechanism and parameters can be adaptively matched, and finally the cleaning efficiency and quality are remarkably improved; and the intelligent level and comprehensive benefits of stamping production are comprehensively enhanced.

The utility model relates to the technical field of bearing sleeve forming machines, in particular to a forming device for a bearing connecting sleeve of a steering gear box, which is provided with a stamping device for stamping and forming the bearing sleeve, can reduce the generation of scraps, reduce the cleaning frequency of workers and improve the usability of the machine, and can improve the production efficiency by arranging the stamping device. The bearing sleeve is subjected to punch forming, high surface smoothness can be obtained without subsequent machining, and the production efficiency is improved; comprising a body; the linear conveying device, the rotary conveying device, the fixing device, the stamping device and the cooling device are all mounted on the machine body; the machine body provides support, the linear conveying device, the rotary conveying device and the fixing device are matched to position and convey the bearing sleeve, the stamping device conducts stamping forming on the bearing sleeve, and the cooling device cools the machine.

The utility model relates to the technical field of matched feeding mechanisms of punching machines, in particular to a deflection feeder mechanism. The box comprises a bottom plate, two side plates and a fixing plate, the two side plates are located at the front end and the rear end of the bottom plate respectively, the two side plates are located on the two sides of the bottom plate respectively, and the bottom plate, the side plates and the fixing plate form a box body with the upper end open. A motor is installed on the bottom plate, a driving shaft of the motor is horizontal and connected with a coupler, a lead screw is horizontally installed and connected with the coupler, and the driving shaft of the motor is coaxially connected with the lead screw. The lead screw is sleeved with a lead screw nut, and the lead screw nut is fixedly connected with the bottom of the feeding frame. The motor directly drives the lead screw to rotate and drives the lead screw nut to horizontally move along the lead screw, so that the feeding frame is driven to horizontally move, the overall structure is compact, the device can be directly installed on the side face of a punch table disc, the space structure of a punch is fully utilized, and the occupied space is small.

The utility model relates to the technical field of punching machines, and discloses a punching machine device which comprises an operation table, supporting legs are vertically and fixedly connected to the four corners of the bottom of the operation table, a connecting groove is formed in the center of the top of the operation table, a lower die is installed in the connecting groove, and vertical grooves are vertically formed in the four sides of the interior of the connecting groove. A plurality of communicating grooves are vertically formed in the top of the operation table, every two communicating grooves are formed in the tops of the vertical grooves, lifting blocks are vertically and slidably connected into the communicating grooves, and sliding mechanisms for sliding the lifting blocks are arranged in the vertical grooves. Through the arrangement of the multiple lifting blocks, raw materials needing to be punched can be limited, the placing position of the raw materials is more accurate, meanwhile, after punching is completed, the punched materials can be ejected out through the multiple ejector rods, and the using effect of the device can be improved.

The utility model provides a punch convenient to adjust relates to part processing technical field, including punch body, the side surface of punch body is installed with drive motor, the bottom of punch body is installed with support foot, the inside top surface of punch body is installed with impact hammer, the inside bottom surface of punch body is installed with pressure -bearing plate, the top surface of pressure -bearing plate is equipped with first sliding slot, the top of punch body is installed with clamping plate, the surface of clamping plate is equipped with second sliding slot, the inside of second sliding slot is installed with adjusting plate, the inside side surface of clamping plate is installed with first lead screw, the inside side surface of punch body is installed with second lead screw in the bottom close to pressure -bearing plate, the top of second lead screw is installed with connecting plate, so that this punch is used in hardware part's processing work, can better according to the volume of part adjustment spacing of clamping structure, thereby better clamping hold part, reduce its displacement, increase its stability when stamping.

The utility model discloses a punch press fixing mechanism for machining an air conditioner radiator, which comprises a workbench, a back plate integrally formed at one end of the top of the workbench, a top plate integrally formed at the top end of the back plate, an air cylinder installed inside the top plate, a lifting plate fixed at the bottom end of the air cylinder, and an upper die installed at the bottom end of the lifting plate. A lower die is installed at the top end of the workbench, fixing structures are installed on the two sides of the top end of the workbench, and a guide structure is installed at the top end of the top plate. The two sets of pushing blocks are symmetrically installed at the bottom end of the lifting plate, and the pushing blocks can be driven by the air cylinder to descend along with the lifting plate to push the clamping plates during stamping, so that the clamping plates on the two sides synchronously clamp and fix a workpiece; and the spring can restore to the original shape to drive the moving rod and the clamping plate to return to the original position, so that clamping of the workpiece is finished, and the purpose that the punching machine fixing mechanism can fix the to-be-machined workpiece is achieved.

The utility model relates to the technical field of dies, in particular to a stamping die for scissor feet of a notebook computer. Comprising a base, a mounting frame and a stamping mechanism, the stamping mechanism comprises a lower die body, a moving seat, an upper die body, a first nut, a second nut, a penetrating sleeve and a descending device, and when the lower die body and the upper die body are replaced, the first nut and the second nut only need to be completely detached, and then the lower die body and the upper die body can be pulled out forwards to be detached; and through the arrangement of the T-shaped part, a positioning pin structure does not need to be arranged, replacement is more convenient compared with an existing mode that bolts and positioning pins are disassembled at the same time, and then the problems that when an upper die and a lower die of an existing scissor foot stamping die are replaced, multiple bolts and positioning pins need to be disassembled, the steps are tedious, and use is inconvenient can be solved.

The application discloses a dry pressing equipment for ceramic piece forming and relates to the technical field of ceramic forming, which comprises a U-shaped fixing table, the two sides of the fixing table are provided with guide grooves, a grinding assembly is slidably connected in the guide grooves, and a punch press is arranged at the upper end of the initial position of the grinding assembly; a discharging assembly is arranged on the top of the side wall of the fixing table, the grinding assembly is composed of an electric sliding block, a rotating rod, the fixing table and a grinding tool; the discharging assembly is composed of an electric push rod two, a push plate and a powder guide pipe; an inclined sliding table is fixed at the corresponding position of the lower end of the discharging assembly, three pairs of electric push rods one are symmetrically fixed on the two sides of the inclined sliding table, a support bag with a plurality of powder leakage holes is fixed on two pairs of the electric push rods one, a support net is fixed on the other pair of the electric push rods one, the other end of the support net is hingedly connected to the side walls of the inclined sliding table, the support net is formed by the staggered connection of a plurality of air bag type expansion pipes, the staggered gaps are dense away from the support bag, the staggered gaps are loose close to the support bag, and the residual part of the workpiece is prevented from being scratched with other intact workpieces.

The utility model discloses a punching machine manipulator for hydraulic solenoid valve shell machining feeding, which comprises a punching machine and a moving assembly, the bottom of the punching machine is connected with a base, a machining rack is arranged on the surface of the punching machine, a stamping die is arranged on the top of the machining rack, a feeding assembly is arranged on the surface of the machining rack and located on one side of the stamping die, and the moving assembly is arranged on the surface of the machining rack. The moving assembly comprises an X-axis linear sliding rail and a Y-axis linear sliding rail, the surface of the X-axis linear sliding rail is connected with a first sliding plate, the Y-axis linear sliding rail is arranged on the surface of the first sliding plate, two sets of workpieces can be fed at the same time through two sets of feeding grooves divided by a partition plate in the middle of the interior of the feeding rail, the feeding frequency is greatly reduced, and the feeding time is shortened; the punching machine can carry out machining operation more continuously, the production efficiency is remarkably improved, the two sets of workpieces are fed to the clamping air cylinder at the same time through the feeding assembly, the clamping air cylinder can convey the workpieces into the punching die to be punched and formed, and feeding, carrying and machining circulation of the punching machine is achieved.