14 results about "Amorphous ribbon" patented technology

This utility model relates to an automatic cutting and rewinding device for amorphous strip, belonging to the field of amorphous strip cutting technology. It includes: an unwinding device, a cutting device, a winding device, and a tension regulating device. The cutting device is located between the unwinding and winding devices. Multiple winding devices are provided. Each tension regulating device corresponds to one winding device, with each device located on the side of its corresponding winding device closest to the cutting device. The tension regulating device includes: a slide, a conveyor roller, and a first linear drive device. The conveyor roller is parallel to the axis of the winding device's roll and is mounted on the slide. The first linear drive device drives the slide to slide linearly in a direction perpendicular to the conveyor roller. This utility model solves the technical problem of long tension adjustment time, which seriously affects production efficiency.

This utility model provides an automatic winding device for amorphous strip magnetic cores and its auxiliary winding and welding mechanism. The auxiliary winding and welding mechanism includes a clamping unit, which includes a clamping component and a first drive module. The first drive module can drive the clamping component to move in a first direction. The clamping unit also includes a second drive module. The clamping component is rotatably connected to the drive end of the first drive module around its own first axis. The second drive module can drive the clamping component to rotate. The first axis is parallel to the first direction. The automatic winding device for amorphous strip magnetic cores includes the above-mentioned auxiliary winding and welding mechanism, which can improve the winding end quality and welding quality of the magnetic core.

This application belongs to the field of amorphous ribbon technology, and particularly relates to an insulating coating for amorphous ribbons and its preparation method. The insulating coating for amorphous ribbons provided by this application introduces silica-coated alumina nanopowder as a modified filler into the water-based polyester modified silicone resin matrix of the insulating coating, and performs surface modification with a silane coupling agent. After the insulating coating is cured on the surface of the amorphous ribbon to form an insulating coating, it can help the amorphous ribbon resist mechanical stress, thermal stress and insulation breakdown. It is a high-performance insulating coating for amorphous ribbons, which meets the long-term service requirements of high-frequency transformer cores, thereby solving the technical problem of low performance of insulating coatings in the prior art.

This invention relates to a self-separating device for amorphous ribbon and its method of use. The self-separating device includes a crucible, an intermediate ladle, a slit nozzle, and a forming and separating assembly. The crucible contains a molten alloy solution. The upper end of the intermediate ladle is connected to the crucible, and the lower end is provided with a slit nozzle. The forming and separating assembly includes a roller core, a roller sleeve, a separator plate, and a drive shaft. The roller core is mounted on the drive shaft, and the roller sleeve is fitted onto the roller core. Multiple positioning grooves are evenly distributed circumferentially on the outer circumferential surface of the roller sleeve. Separators are installed on the positioning grooves. The positioning grooves and separators extend along the length of the roller sleeve, and the separators protrude radially from the outer circumferential surface of the roller sleeve. The separators are configured to confine the molten alloy solution sprayed from the slit nozzle onto the roller sleeve between two adjacent separators to form an amorphous ribbon. By confining the molten alloy solution sprayed from the slit nozzle to the area between adjacent separators, an amorphous ribbon is directly formed without the need for subsequent cutting processes, effectively reducing waste of edge material.

The application relates to the technical field of amorphous alloy preparation, and discloses an amorphous strip cooling roller, which comprises a cooling pipe, the inner wall of the cooling pipe is fixedly connected with a partition plate, the partition plate divides the cooling pipe into a first liquid inlet cavity and a first liquid outlet cavity, a plurality of first liquid inlet holes are arranged on the cooling pipe at the first liquid inlet cavity, a plurality of first liquid outlet holes are arranged on the cooling pipe at the first liquid outlet cavity, and a cooling assembly is arranged on the surface of the cooling pipe. The amorphous strip cooling roller is designed by constructing a plurality of independent unit flow channels, the flow process, resistance and heat exchange condition of the cooling liquid in the whole area of the roller surface are highly consistent, the uniformity of roller surface cooling and the heat exchange intensity are improved, the cooling assembly is easy to disassemble in a modular assembly mode, the flow channel is convenient to maintain, clean and check, and the maintenance cost in the whole life cycle is effectively reduced.

This invention relates to the field of catalysts for hydrogen production through water electrolysis, and discloses a Ni-based amorphous alloy catalytic ribbon for alkaline water electrolysis and its preparation method. The preparation method includes the following steps: S1, accurately weighing nickel, zirconium, palladium, and platinum in an atomic ratio of 64-x-y:36:x:y, and melting them into an alloy ingot using a vacuum arc melt; S2, spraying the melted alloy ingot onto the surface of a high-speed rotating copper roller to form an amorphous ribbon; S3, immersing the ribbon in an HF solution for dealloying; S4, cleaning and drying to obtain a porous amorphous catalytic ribbon. The catalytic ribbon prepared by this method exhibits excellent hydrogen evolution reaction (HER) catalytic performance in an alkaline electrolyte (1 M KOH), achieving an overpotential as low as 13 mV at a current density of 10 mA / cm², a Tafel slope of 12 mV / dec, and high process repeatability and simplicity, making it suitable for large-scale production.

This invention relates to the field of amorphous ribbon manufacturing equipment technology, and more particularly to a molten steel level control system and method for an amorphous ribbon forming furnace. It includes a vision inspection module, a data calculation module, and an execution module, all electrically connected in sequence, as well as an alarm module electrically connected to the data calculation module; achieving automated, high-precision control of the molten steel level, reducing safety risks, and ensuring the quality of amorphous ribbon products.

This application relates to the technical field of fully automated slitting of amorphous ribbon, and in particular to an amorphous ribbon slitting machine, comprising a frame; a slitting mechanism, disposed in the middle of the frame, including an upper roller shear and a lower roller shear arranged vertically, through which the original amorphous ribbon passes to the gap between the upper and lower roller shears, thereby slitting the original amorphous ribbon into finished amorphous ribbon; a positioning and correction mechanism, mounted on the frame and disposed between the unwinding mechanism and the slitting mechanism, including a first positioning seat and a second positioning seat arranged horizontally, with a space between them, for limiting the two sides of the original amorphous ribbon; and a reinforcement mechanism, installed at the output end of the slitting mechanism, including an upper clamping seat and a lower clamping seat arranged vertically, through which the finished amorphous ribbon passes to the gap between the upper and lower clamping seats, for clamping and feeding the finished amorphous ribbon. This application can improve the dimensional accuracy of amorphous ribbon slitting.

This invention relates to the field of amorphous ribbon processing technology, and discloses a grinding device and method for amorphous and nanocrystalline ribbons. The grinding device includes a frame, an unwinding module, a grinding module, a first thickness detection module, a rewinding module, and a control module. The grinding module includes a support, a grinding component, and a first displacement drive. The support is mounted on the frame to support the ribbon, and the grinding component is also mounted on the frame. A grinding space is formed between the support and the grinding component for the ribbon to pass through. The grinding component is used to grind the ribbon passing through the grinding space. The first displacement drive connects to the grinding component to drive it to move towards or away from the support. The first thickness detection module is mounted on the frame to detect the thickness of the ribbon between the unwinding module and the grinding space. This invention provides a grinding device and method for amorphous and nanocrystalline ribbons, which can reduce the thickness difference of the ribbon, improve the uniformity of the ribbon thickness, and improve the soft magnetic properties of the ribbon.

The application belongs to the technical field of winding devices, and discloses an adjustable amorphous strip winding device, which comprises a frame, a winding mechanism is arranged on the outer side of the frame, and the winding mechanism extends to the inside of the frame. During use, the position of the guide disc can be adjusted according to the width of the amorphous strip. First, the anti-skid sleeve is held and rotated, so that the threaded sleeve is rotated. Since the square rod is matched with the screw rod, the screw rod can be limited in position, so that the screw rod can move upward in the vertical direction. After the screw rod is separated from the opening clamping piece, the guide disc is not limited. At this time, the guide disc can be moved horizontally. After the distance between the guide disc and the push plate is appropriate, the anti-skid sleeve can be reversely rotated to reversely rotate the threaded sleeve. The guide disc is positioned again by the screw rod. Through the above structure, the amorphous strip winding of different widths and tension requirements can be easily adapted, and the universality and applicability of the device are greatly improved.

The utility model discloses an adjustable outer welding device for amorphous strip winding, more particularly to the amorphous strip processing equipment technical field, is fixed on the winding machine, including support mechanism, welding mechanism and pressure mechanism, and support mechanism includes fixed bolster, sliding block and the drive assembly of drive sliding block movement, welding mechanism includes connecting rod and the outer welding cutter of being connected to the one end of connecting rod, and pressure mechanism includes the L shape rotation seat of being connected between sliding block and connecting rod and the elastic component of being arranged between L shape rotation seat and connecting rod, to adjust the pressure between outer welding cutter and winding material through the deformation of elastic component. The utility model adjusts the overall length of outer welding device through drive assembly, to adapt to different winding material size, and outer welding cutter is pushed down under the support mechanism and completes welding, and pressure mechanism utilizes the deformation of elastic component and dynamically controls the welding pressure when outer welding cutter and winding material contact, guarantees that outer welding head is always close to winding material joint in the welding process, and the stability of welding is ensured.

The application discloses a preparation method of amorphous strip, and belongs to the field of rapid solidification technology, and solves the problem of low yield of the amorphous strip prepared by using the existing method. The method comprises the following steps: step 1, the master alloy is loaded into the smelting crucible of a smelting device, the vacuum quick-quenching equipment is vacuumized, and then inert gas is filled into the vacuum quick-quenching equipment; step 2, the smelting device is started to melt the master alloy until the master alloy is completely melted; step 3, the melted master alloy is transferred to a tundish and is placed; step 4, the rotating cooling roller is started, the tundish is pressurized to spray the strip, and the tundish and the quick-quenching vacuum chamber maintain a pressure difference; step 5, the spraying condition is observed, the roller speed is adjusted according to the strip condition, and the vacuum quick-quenching process is ended.

This invention relates to the field of amorphous alloy smelting technology, specifically a manufacturing process for preparing amorphous ribbon. The process includes the following steps: precise batching, movable furnace top, top charging, electric arc furnace melting, strong oxidation, slag removal, reduction, eccentric EBT tapping (or VOD vacuum treatment), LF deoxidation and desulfurization, precise LF composition control, LF inclusion control (or VD vacuum treatment), LF temperature control, and ribbon spraying. The amorphous ribbon produced by this invention not only has fewer impurities and higher purity but also possesses excellent magnetic properties, effectively ensuring its quality and meeting the needs of high-end applications. The manufacturing process provided by this invention is the first in China to integrate smelting and ribbon spraying. Compared to existing technologies, it adopts a short-process electric arc furnace green production process, significantly reducing pollutant emissions, while also offering advantages such as high production efficiency, low cost, and superior quality.

This application provides a real-time diagnostic method and system for hidden defects in amorphous ribbon, belonging to the field of non-destructive testing technology for materials. The method includes: simultaneously acquiring at least two physical signals from the amorphous ribbon using a multi-physics synchronous sensing array; extracting multiple feature parameters from the signals; inputting the feature parameters into a pre-trained machine learning diagnostic model, and having the model output a diagnostic result containing defect information. The system includes: the multi-physics synchronous sensing array; and a processing unit connected to the sensing array and configured to execute the above method. By fusing multiple physical signals and utilizing a machine learning model for analysis, this application solves the problems of blind spots and inability to perform real-time, high-precision diagnosis in existing single-detection methods, enabling comprehensive, online, and high-precision diagnosis of hidden defects in amorphous ribbon, thereby improving product quality control.