16results about How to "Improve stamping precision" patented technology

The utility model discloses an upper cross beam structure of a closed four-point high-speed precision press, which comprises an upper cross beam, the upper cross beam is of a symmetrical structure, two ends of the upper cross beam are respectively provided with a mounting hole, each mounting hole is respectively provided with a first sliding bearing seat, and at least one mounting hole is provided with a flywheel seat; a first installation seat is arranged in the middle of the upper cross beam, a second installation seat is detachably arranged on the first installation seat, lower bearing seats are arranged at the two ends of the first installation seat respectively, upper bearing seats are arranged at the two ends of the second installation seat respectively, and each upper bearing seat and the corresponding lower bearing seat form a second sliding bearing seat. According to the technical scheme, the upper cross beam is of a unique split type structure, and the first installation base and the second installation base are connected through the attached installation planes and the bolts. On one hand, machining is facilitated, and the overall machining difficulty is reduced; and on the other hand, when the precision deviation of the hole system is detected, fine adjustment can be carried out by repairing the mounting plane.

The invention relates to a punching machine with a suction cup feeding structure for glass bottle cap manufacturing, and belongs to the technical field of glass bottle cap machining equipment.The punching machine with the suction cup feeding structure for glass bottle cap manufacturing comprises a base, a mounting frame is arranged at the top of the base, and a rotating roller is arranged in the mounting frame; a mounting frame is arranged on one side of the base, a vacuum suction cup mechanism is arranged in the mounting frame, a lifting assembly is arranged on one side of the base, and the lifting assembly comprises a bottom plate arranged on one side of the base, in the invention, stacked plates are placed on a top plate, a hydraulic cylinder is started to enable a round rod of a shear type connecting rod to slide along the bottom plate, the connecting rod rotates to drive the top plate to ascend, and a vacuum suction cup sucks up a single plate; after being conveyed by the rotating roller and leveled by the upper roller shaft and the lower roller shaft, the sheet metal falls to the punching machine along the third baffle, the sensing device monitors the height of the sheet metal in real time, the hydraulic cylinder is controlled to lift the top plate along with consumption of the sheet metal, deformation wrinkles caused by height reduction caused by consumption of the sheet metal in the feeding process are solved, and therefore the feeding stability is guaranteed.

This utility model discloses a precision stamping die for mass production of 1500MPa grade cold-formed steel, relating to the field of cold-formed steel stamping technology. The precision stamping die for mass production of 1500MPa grade cold-formed steel includes a base, a frame fixedly mounted on top of the base, a lower die base fixedly mounted on the base, two hydraulic presses fixedly mounted on the top of the frame, pressure plates fixedly mounted on the piston ends of the two hydraulic presses, two guide sleeves fixedly mounted below the pressure plates, two guide pillars slidably mounted within the two guide sleeves, four support rods slidably mounted on the pressure plates, the lower ends of the four support rods fixedly connected to a pad, and four springs respectively sleeved on the four support rods, the upper ends of the springs fixedly connected to the lower surface of the pressure plates. This design greatly improves the precision of stamped parts and reduces the scrap rate. The design of the support rods, pads, and springs allows the springs to push the pads to assist in unloading after stamping, making the unloading process smoother and improving production efficiency.

The utility model discloses a hardware stamping device of quick discharge, including frame, set up on the workbench, control system, drive mechanism and stamping die set, the stamping die set includes stamping upper die holder and stamping lower die holder, stamping upper die holder is connected to frame top through drive mechanism, stamping lower die holder is connected to frame top through drive mechanism, stamping lower die holder is connected to frame top through drive mechanism, stamping lower die holder is connected to frame top through drive mechanism. The stamping lower die base is arranged on the workbench, the stamping lower die base is provided with a die cavity and a demolding ejection assembly arranged in the die cavity, and a discharging channel is arranged in the workbench. And on the whole, through the automatic discharging mechanism, the punching efficiency is greatly improved. And meanwhile, by optimizing the driving mechanism, the guide assembly and the ejection mechanism, the stamping precision, stability and reliability of the equipment are improved, and the service life is prolonged. The automatic process is further improved, and manual intervention is reduced. The stamping device has the remarkable advantages in the aspects of improving the production efficiency, guaranteeing the product quality and reducing the maintenance cost.

The utility model discloses a cup blanking die, and relates to the field of dies. Comprising an upper die assembly and a lower die assembly, the upper die assembly comprises an upper die plate, a stamping column and an upper stamping table, an elastic telescopic assembly is arranged between the upper die plate and the upper stamping table, and a discharging groove and a forming cavity are formed in the lower die assembly. A steel coil is firstly clamped and fixed through a discharging groove and an upper stamping table, then in the process that a stamping column continuously gets close to a forming cavity, the stamping column and the forming cavity are matched to stamp the steel coil, an elastic telescopic assembly is made to compress and drive the upper stamping table and the discharging groove to be matched to cut the steel coil, and in the stamping process, the stamping efficiency is improved. The upper punching table and the discharging groove clamp and fix the steel coil, so that the steel coil is not prone to deviation, the punching precision is higher, punching and cutting are achieved at the same time, and the production efficiency is high.

This invention discloses a crankshaft-type dual-point multi-link press, relating to the field of press technology. It includes a support table, table body, crankshaft assembly, trolley assembly, and track. The crankshaft assembly includes a motor, transmission gears, a large gear, and a crank-connecting rod mechanism to achieve a "slow down, fast up" stamping motion. The trolley assembly includes a geared motor, drive wheels, and track cleaning blades to achieve smooth transfer of the entire machine and track cleaning. Anti-eccentric load devices are provided on both sides of the crankshaft assembly. These devices include a connecting drive assembly, a guiding and stabilizing assembly, and a clamping support assembly. This invention uses the sliding block to trigger the connecting drive assembly when it descends, which, in conjunction with the multi-link, achieves eccentric load compensation. The guiding and stabilizing assembly provides high-precision vertical guidance, and the clamping support assembly dynamically clamps the guiding structure during the stamping process. The entire machine has a compact structure, stable operation, high stamping accuracy, and strong anti-eccentric load capability.

The utility model relates to the technical field of stamping dies, and discloses a stamping die convenient to replace for punching and shearing sheet materials, which comprises a stamping machine, a base is fixedly assembled in the middle of the stamping machine, a movable groove is arranged in the middle of the base, and a first sliding groove and a second sliding groove are respectively arranged on the outer wall of the base. The top of the base is slidably connected with a sliding seat, a limiting block is fixedly assembled at the bottom of the sliding seat, and the outer wall of the limiting block is rotatably connected with a first screw rod. According to the stamping die, the stamping machine, the base, the first fastening nut, the second fastening nut, the first screw rod, the second screw rod and the third screw rod are arranged, so that in the using process of the stamping die, a user can adjust the positions of the pressing plate and the sliding seat by rotating the first fastening nut and the second fastening nut; and therefore, a user can conveniently clamp bodies of different models and sizes, the operation process is simple, and the operation efficiency of the user is improved.

The invention relates to the technical field of punch forming, and discloses high-quality hardware intelligent punch forming equipment which comprises a hardware placing and rotating switching mechanism, a vertical plate, a punching mechanism and a movable adjusting and discharging mechanism, and the hardware placing and rotating switching mechanism comprises a transverse plate, a driving motor, a supporting disc and a hardware placing base. A bottom plate is fixedly arranged at the bottom of the vertical plate, a base plate is fixedly arranged between the bottom of the bottom plate and the transverse plate, a top plate is fixedly arranged at the top of the vertical plate, the stamping mechanism comprises a hydraulic device, a stamping base and an upper die base, and the movable adjusting discharging mechanism is arranged on the side portions of the hardware placing and rotating switching mechanism and the stamping mechanism. The device is used for primarily rolling, brushing and polishing the outer surface of the formed hardware. Hardware at different positions can be rapidly and continuously switched, the hardware is accurately adjusted and positioned to the position above the hardware for automatic discharging, the outer surface of the formed hardware is preliminarily rolled, brushed and ground, and the discharging and grinding angle can be flexibly adjusted according to the actual position and shape of the hardware.

The invention relates to the technical field of aluminum bar punch forming, in particular to an aluminum bar punch forming device which comprises a machine body, a workbench, a punching mechanism and a punching die. A workbench is fixedly installed on the machine body, a stamping die is fixedly installed on the workbench, a stamping mechanism is fixedly installed on the machine body, and the stamping mechanism is fixedly connected with the top of the stamping die. The stamping die comprises a lower die body, a moving cylinder, a moving rod, an upper die body, a first cylinder, a second cylinder, a lower die plate, an air inlet pipe and an upper die plate. The stamping mechanism drives the upper die to move downwards, so that the upper die plate and the lower die plate get close to each other, the aluminum row is stamped, meanwhile, the aluminum plate is heated and cooled through the lower die plate, and the aluminum row is demoulded through airflow; according to the aluminum bar stamping die, after stamping of an aluminum bar is completed, slight springback deformation generated during demolding is avoided, the stamping precision is improved, meanwhile, manual demolding is not needed, and the demolding efficiency is greatly improved.

This utility model relates to the field of metal processing technology, and in particular to a positioning structure for stamping anti-deformation thin metal sheets. It includes: two sets of clamping plates, each set of clamping plates being mounted on the side walls of an upper mold and a lower mold respectively via two magnetic structures; a lever is fixedly connected to the magnetic structure on the upper mold; a positioning mechanism is disposed on the lower clamping plate, the positioning mechanism including a mounting base fixed to the side wall of the clamping plate, a sliding opening through the side wall of the mounting base, a push rod slidably connected in the sliding opening, an elastic reset mechanism between the push rod and the mounting base, a slide rail fixedly connected to the top of the mounting base, and symmetrical sliding grooves on the inner wall of the slide rail; through the positioning mechanism on the clamping plate, the downward movement of the upper mold drives the lever to abut against the slide rail, thereby achieving automatic position adjustment of the thin metal sheet through the linkage of the rotating rod, the push rod, and the push plate.

The utility model provides a plate positioning device for high and low die cavities. The plate positioning device comprises a flange assembly, a pressing plate assembly and a supporting plate assembly. The flange assembly is limited at each edge of the high and low die cavities to prevent the horizontal deviation of the plate; the pressing plate assembly comprises a pressing plate, a pressing plate connecting base and a pressing plate driving mechanism, the pressing plate driving mechanism is connected with the pressing plate and can drive the pressing plate to rotate, and the pressing face of the pressing plate can be pressed on the upper surface of the edge of the plate covering the high-position molded surface area; the supporting plate assembly comprises a supporting plate, a supporting plate connecting base and a balancing weight, the supporting plate is rotatably connected to the supporting plate connecting base, the end, away from the plate, of the supporting plate is connected with the balancing weight, and the end, close to the plate, of the supporting plate is provided with a protruding supporting part; under the driving of the gravity torque of the balancing weight, the supporting part extends out of the front face of the supporting plate connecting base and supports the suspended part of the plate covering the low-position molded surface area. According to the utility model, the efficient avoidance and accurate positioning in the stamping process can be realized while the stable support of a plate in a low-position area is ensured.

The application discloses a stamping mechanism and method for automobile gearbox accessories, which can effectively improve the precision and stability of convex stamping forming, the stress of a convex die core is extremely small, the service life of the convex die core is greatly prolonged, and the convex die core is not prone to collapse or deformation, in addition, the product is actively ejected from the die by the floating upper pad pushing the convex ejection rod to actively eject the product, which avoids the shutdown or product damage caused by material clamping, and ensures the continuity and consistency of the stamping rhythm.

The utility model relates to the technical field of stamping structures for precision metal structural parts, and discloses a stamping structure for precision metal structural parts, which comprises a bottom plate, a support frame is fixedly mounted at the top of the bottom plate, a hydraulic cylinder is fixedly mounted at the top of the support frame, and the lower end of the hydraulic cylinder is fixedly connected with a die pressing block. Through the arranged automatic clamping assembly, a worker starts a motor and drives a two-way lead screw to rotate, then two sets of moving blocks are driven to synchronously move in the same direction or away from each other along a guide rod, two sets of clamping plates are automatically opened and closed, and compared with traditional manual operation, the design can eliminate human errors, reduce human intervention and improve the working efficiency. Clamping deviation caused by difference of operation methods is avoided, so that stable positioning during metal part stamping is guaranteed, stamping precision is improved, the rubber pad provides flexible buffering, the surface of the metal part is prevented from being scratched, friction force is enhanced, the device can be matched with precision structural parts of different materials and shapes, and the application range of the device is widened.

The invention relates to the technical field of miniature electronic equipment, and discloses a low-cost composite vibrator and a linear vibration motor, and the low-cost composite vibrator comprises a high-density core which is made of tungsten or tungsten alloy and is flat, and the middle part of the high-density core is provided with a through square hole for accommodating magnetic steel; the metal shell is made of steel formed through punching, is of a cover-shaped structure with an opening in the top and is used for wrapping and fixing the high-density core; the high-density core is embedded into the containing cavity of the metal shell, and the high-density core and the metal shell are fixedly connected along the joint edge through laser welding to form the whole composite oscillator. By elaborately designing the sizes and the wall thicknesses of inner and outer parts, the total mass and the gravity center position of the composite oscillator are equivalent to those of an all-tungsten oscillator; therefore, the vibration performance and the start / stop characteristic of the linear motor are not negatively influenced.

The utility model discloses a stamping die for hard disk shell production convenient for fast blanking and collection, which comprises a workbench, a stamping station is arranged in the middle of the top of the workbench, and a first belt conveyor and a second belt conveyor are respectively mounted on two sides of the top of the workbench. The first belt conveyor and the second belt conveyor are symmetrically distributed about the stamping station, the input end of the first belt conveyor extends to the outside of the workbench, the output end of the first belt conveyor is located on one side of the stamping station, and the input end of the second belt conveyor is located on the other side of the stamping station. By arranging the first belt conveyor, the second belt conveyor and the electric push rod, automatic feeding, stamping and discharging operation in the hard disk shell production process is achieved, manual intervention is not needed, the automation degree of a production line is improved, and therefore the production efficiency is further improved, and the production cost is further reduced.

This utility model discloses a precision machining device for a pneumatic punch press, relating to the field of pneumatic punch press technology. It includes a punch press base and a limiting assembly. The punch press base is an integrated structure, with a support seat at the rear end of its upper surface and a stamping fixing seat at the front end. The limiting assembly is located inside the punch press base and includes a hexagonal slide groove, a hexagonal column, a limiting slide groove, a buffer spring, a limiting piston, and a support rod. The hexagonal slide groove is formed at both ends inside the punch press base, and a hexagonal column is slidably connected inside the hexagonal slide groove. Limiting slide grooves are formed at both the front and rear ends of the hexagonal slide groove. This precision machining device for a pneumatic punch press, through the limiting assembly, allows for stable limiting of the moving stamping seat during the stamping process, thereby improving overall stamping accuracy. The cleaning assembly allows for cleaning of the inside of the mounting groove, preventing the accumulation of waste chips from affecting normal processing.