12results about How to "Reduce springback" patented technology

The utility model relates to the technical field of aluminum honeycomb panel processing, in particular to a pressing device for aluminum honeycomb panel processing, which comprises a lower pressing die and an upper pressing die which are used for pressing connection of aluminum honeycomb panels, a discharge port is arranged on one side of the bottom end of the lower pressing die, a push plate is arranged on the other side of the lower pressing die, and an air cylinder is arranged on the outer side of the push plate. A conveying belt is arranged at the end, located at the discharging port, of the lower pressing die and comprises an installation plate, two baffles are fixed to the installation plate, conveying rollers are arranged at the upper ends and the lower ends of the two baffles, and the distance between the conveying rollers at the upper ends and the conveying rollers at the lower ends is the same as the thickness of the aluminum honeycomb panel after compression joint. After an upper pressing die and a lower pressing die are used for carrying out hot pressing on an aluminum honeycomb plate, the aluminum honeycomb plate subjected to pressing connection is pushed into a conveying belt, an upper conveying roller and a lower conveying roller which are fixed in height are used for conveying the aluminum honeycomb plate, meanwhile, an aluminum honeycomb core and an aluminum alloy plate are continuously pressed for a period of time, and the solidification time of an adhesive is shortened through a fan; therefore, the springback phenomenon of the aluminum honeycomb panel after crimping is reduced.

The utility model relates to a net hanging device for concrete spraying, and relates to the technical field of building construction, the net hanging device for concrete spraying comprises a steel bar net piece and a connecting piece, the connecting piece is used for being fixed to a structure to be subjected to concrete spraying, and the steel bar net piece is hung on the connecting piece; the connecting structure further comprises a pressing piece, and the pressing piece is pressed on the reinforcing mesh and fixedly connected with the connecting piece. Through the design of the connecting pieces and the pressing pieces, the reinforcing mesh is fixed to the structure, the concrete rebound phenomenon can be effectively reduced, and the construction quality and efficiency in the concrete spraying process are ensured; due to the design of the pressing piece, the reinforcing mesh can be evenly and stably pressed on a structure, the reinforcing mesh is prevented from tilting or bending in the spraying process, and therefore the stability and durability of the mesh hanging device are guaranteed; the construction process is simple and clear, operation is convenient and fast, the net hanging device can be rapidly used, the construction period is shortened, the site guidance difficulty is reduced, and economic benefits are improved while the construction quality is guaranteed.

The invention discloses a metal plate bending machine, and relates to the technical field of metal plate bending, the metal plate bending machine comprises a support, the inner wall of the support is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a bending plate, the bottom surface of the bending plate is fixedly connected with a bending knife, the inner wall of the support is fixedly connected with two bodies, and the inner wall of the support is fixedly connected with a bottom plate; two deflection plates are arranged above the bottom plate, a spray head is arranged below the bottom plate, bending parts are arranged in the two bodies, each bending part comprises a transmission part and two sets of deflection parts, through the arrangement of the two sets of deflection parts, the two deflection plates deflect when the bending knife moves vertically, and the bending device further comprises two sets of reset parts. The metal plate bending device further comprises two sets of lubricating components used for controlling the spray head when the bending knife moves vertically, and through mutual cooperation of the structures, the effects of improving the bending yield of metal plates and improving the quality of finished products are achieved.

The present invention provides an automatic forming device for composite material special-shaped curved surface, comprising a machine tool conveying slide, a movable workbench, a mold, a visual inspection device and an upper mold lifting device; the mold is arranged on the movable workbench, the machine tool conveying slide conveys the movable workbench with the mold to the upper mold lifting device, and the visual inspection device detects the surface morphology of the prepreg on the mold during the conveying process, and the upper mold lifting device has a pair of rollers in the diaphragm frame, and the bottom of the diaphragm frame is fixed with a ductile diaphragm, and the pair of rollers is used to adjust the drape deformation of the diaphragm in the diaphragm frame according to the information detected by the visual inspection device, so that the size of the diaphragm used to compact the prepreg is adapted to the prepreg. The present invention obtains the position of the complex curved surface of the prepreg in the mold by detecting the inner surface morphology of the mold through the visual inspection device, and feeds back to the pair of rollers and adjusts the drape deformation of the diaphragm, so as to realize the pre-deformation of the diaphragm to the prepreg.

This utility model discloses an anti-counterfeiting layer thickness adjustment molding structure for anti-counterfeiting paper, including a base plate, an upper template, a lower template, and an adjuster. A bracket is installed on the base plate, and a pressure plate is connected to the upper end of the bracket via a first hydraulic cylinder. The pressure plate is slidably connected to the bracket. The upper template is connected to the pressure plate, and a convex template is inserted into the upper template. The lower template is installed on the surface of the base plate, and a concave template is inserted into the lower template. Two sets of adjusters are provided and connected to the convex and concave templates respectively. When the paper is placed on the lower template, the positions of the convex and concave templates are adjusted based on the paper thickness and material. The second hydraulic cylinder controls the movement of the convex and concave templates, so that the protrusion length of the convex template on the upper template corresponds to the concave amplitude of the concave template on the lower template. The convex and concave templates press the paper, eliminating the need to replace the upper and lower templates, facilitating continuous pressing of different types of paper, and improving efficiency.

The utility model belongs to the technical field of wrinkle removing devices, and particularly relates to a wrinkle removing device for composite aluminized film processing and production, which comprises a base, the upper surface of the base is fixedly connected with two first fixing plates, and the opposite sides of the two first fixing plates are rotatably connected with first rotating columns; the winding device comprises a first fixing plate, a second rotating rod, a second rotating column, a gear, a third rotating column, a rotating disc, an inner gear ring and the like, the opposite sides of the two first rotating columns are jointly and movably connected with a winding disc, and one side of one first fixing plate is fixedly connected with a first rotating motor. A second rotating motor drives a rotating rod to rotate, the rotating rod drives a gear to rotate through a second rotating column, the gear drives a third rotating column to rotate through an inner gear ring, the third rotating column drives a rotating disc to revolve and rotate at the same time, an aluminum laminated film is rotationally smoothed, the springback phenomenon is reduced, and the quality of the smoothed aluminum laminated film is improved.

The utility model relates to an angle steel bending machine, and relates to the technical field of angle steel machining equipment.The angle steel bending machine comprises a machining table, the upper end face of the machining table is rotationally connected with two limiting discs, an abutting block is arranged between the two limiting discs, a hydraulic cylinder is installed on the machining table, and a piston rod of the hydraulic cylinder is fixedly connected with the abutting block; the telescopic direction of the hydraulic cylinder is perpendicular to the connecting line between the circle centers of the two limiting discs, a resistance heating block used for being connected with angle steel in an abutting mode is arranged above the abutting block, and a lifting assembly used for driving the resistance heating block to ascend and descend is arranged on the machining table. The angle steel bending device can improve the angle steel bending effect.

The present invention discloses an automatic bending device for steel wire for orthodontic appliances, which relates to the technical field of steel wire processing, and includes: a main body; a slide, which is symmetrically arranged on the same side of the main body; a clamping component, which is arranged inside the slide, and is used to clamp the steel wire; a bending component, which is arranged on one side of the main body, and is used to bend the steel wire; a die, which is installed on one side of the bending component, and is used to adjust the curvature of the bending. The present invention sets the bending mode to multiple bending, and the bending process ensures that the curvature gradually increases from small to large until the target curvature required for bending is reached. The first screw is rotated to make the pressing rod movable, so that the end of the pressing rod can fit the required curve, and the curvature of the fitted curve is gradually increased with the number of bending times, thereby achieving the effect of increasing the bending rate with the number of bending times, and greatly improving the bending effect.

This application relates to a production apparatus for springback stamping of cold-rolled strip steel, belonging to the field of production apparatus for cold-rolled strip steel. It includes an uncoiler, with a laser processing component at the discharge end of the uncoiler for etching microgrooves on the strip surface. A cooling device is located downstream of the laser processing component, and a strip stamping machine is located downstream of the cooling device. A pressure sensor is installed in the strip stamping machine, and a winding device is also located downstream of the strip stamping machine. This application effectively reduces springback after stamping by using the laser processing component to etch microgrooves on the strip surface to form stress guiding points, and by using the cooling device to rapidly cool the strip, thus improving the dimensional and shape accuracy of the stamped strip and reducing the defect rate. The smooth uncoiling of the uncoiler, the rapid cooling of the cooling device, and the stable stamping of the strip stamping machine make the entire production process more efficient.

The invention provides an electric valve which comprises a rotor assembly and a rod component, the rotor assembly can drive the rod component to act, the electric valve further comprises a stop structure and a stop part, the stop structure is in threaded fit with the rod component, the electric valve further comprises an anti-rotation structure, the anti-rotation structure can limit rotation of the stop structure, and the stop part is fixedly connected with the rod component. The stop structure comprises a first stop part and a second stop part, the stop part comprises a stop boss, the first stop part can abut against the stop boss to achieve lower stop, the second stop part can abut against the stop boss to achieve upper stop, and circumferential rotation of the stop structure can be limited through the arrangement of the anti-rotation structure. Therefore, the springback phenomenon generated when the stopping structure abuts against the stopping part for stopping is reduced.

The utility model discloses a narrow bending forming device capable of reducing product springback, which belongs to the technical field of stamping dies and comprises a bending male die, a moving groove is arranged in the bending male die, the bottom of an ejector rod is connected in the moving groove, an inner stripper is arranged at the bottom of the ejector rod, the inner stripper is movably connected in the moving groove, and a spring is arranged on the ejector rod. And the lower die is provided with a bending body, and a bending piece is placed on the bending body and located under the inner stripper. Through the action of the spring force, the inner stripper and the lower die enable a product to form a radian, the machine table continues to move downwards, the bending male die moves downwards to be in contact with the lower die, the bending piece product is bent by 90 degrees until the die descends to a dead point, forming is finished, then the machine table ascends slowly, the bending male die and the lower die of the die are separated slowly, and the bending male die and the lower die of the die are bent by 90 degrees. By means of the structure, the occurrence rate of bending springback can be effectively reduced, deformation in the bending process can be better controlled, and the precision and quality of stamping parts are improved.