Search

CN-224232493-U - Magnetic core heat treatment device of current transformer

CN224232493UCN 224232493 UCN224232493 UCN 224232493UCN-224232493-U

Abstract

The utility model relates to the technical field of transformers, in particular to a magnetic core heat treatment device of a current transformer, which comprises a bracket and a heating barrel, wherein a shaft sleeve is rotatably arranged at the center of the bottom of the heating barrel, a vertical upward screw rod is rotatably connected to a mounting plate, a rotating column is sleeved on the screw rod in the heating barrel, a plurality of layers of magnetic core placing discs are arranged on the rotating column at intervals, a vertical limiting column is arranged on the periphery of the magnetic core placing discs, a plurality of air cylinders are arranged on the side wall of the heating barrel along the vertical direction, and a blocking column is arranged at the telescopic end of each air cylinder in the heating barrel. According to the heat treatment device for the magnetic core of the current transformer, provided by the utility model, the magnetic core placing disc can be rotated in the heat treatment process, so that the magnetic core at each part is heated relatively uniformly, and meanwhile, the magnetic core placing disc can be automatically lifted after the treatment is finished, so that a worker can conveniently take off the magnetic core from the magnetic core placing disc, the applicability of equipment is greatly improved, and the operation is simple, convenient and high in efficiency.

Inventors

  • GU ZHONGWEI
  • YE DONGLIANG
  • ZHOU PING

Assignees

  • 浙江佳扬电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250613

Claims (5)

  1. 1. A magnetic core heat treatment device of a current transformer is characterized by comprising a support and a heating barrel, wherein the heating barrel is fixed on the support, heating plates are arranged on the inner wall of the heating barrel at intervals, a shaft sleeve is rotatably arranged at the center of the bottom of the heating barrel, the shaft sleeve vertically extends downwards from the inside of the heating barrel to the outside of the heating barrel, a mounting plate is arranged on the support below the shaft sleeve, a first power mechanism is arranged on the mounting plate, the first power mechanism is in transmission connection with the shaft sleeve, a vertically upward screw rod is rotatably connected on the mounting plate, the screw rod penetrates through the shaft sleeve and extends into the heating barrel, a second power mechanism is arranged on the support, the second power mechanism drives the screw rod to rotate, a rotating column is sleeved on the screw rod in the heating barrel, the inside of the rotating column is hollow and provided with internal threads, the internal threads of the rotating column are matched with the screw rod, a plurality of protrusions are arranged on the lower end face of the rotating column, a plurality of grooves are arranged on the upper end face of the shaft sleeve, the protrusions are matched and clamped with the grooves, a plurality of layers of magnetic cores are placed on the mounting plate, the diameter of the magnetic cores is smaller than the diameter of the heating barrel, a vertical magnetic core is rotatably connected on the mounting plate, a vertically upward screw rod is rotatably connected with the mounting plate, a vertically upward screw rod is rotatably arranged on the mounting plate, a vertical magnetic core is arranged on the upper end of the heating cylinder, a telescopic cylinder is arranged on the vertical cylinder, and extends to the top of the vertical cylinder, and extends to the cylinder is arranged in the vertical cylinder, and extends to the vertical cylinder.
  2. 2. The heat treatment device for the magnetic core of the current transformer according to claim 1, wherein the first power mechanism comprises a first driven gear arranged on the shaft sleeve, a first motor is arranged on the mounting plate, a first driving gear is arranged on an output shaft of the first motor, and the first driving gear is in transmission connection with the first driven gear.
  3. 3. The heat treatment device for the magnetic core of the current transformer according to claim 1, wherein the part, which is rotationally connected with the mounting plate, of the lower end of the screw rod is a shaft body, a second driven gear is arranged on the screw rod below the mounting plate, a vertical upward hydraulic cylinder is arranged at the bottom of the bracket, a support plate is arranged at the telescopic end of the hydraulic cylinder, a vertical upward second motor is fixed on the support plate, a second driving gear is arranged at the output end of the second motor, and the second driving gear is in fit transmission with the second driven gear.
  4. 4. The heat treatment device for the magnetic core of the current transformer is characterized in that four limit posts are arranged on the periphery of the magnetic core placing disc and are connected with all the magnetic core placing discs, the four limit posts are uniformly distributed along the axial interval, four blocking posts are uniformly arranged in the heating barrel along the axial interval, each blocking post is connected through four vertically arranged air cylinders, when the air cylinders shrink, the blocking posts are positioned on the outer sides of the limit posts, when the air cylinders stretch, the blocking posts interfere with the corresponding limit posts, and the magnetic core placing discs are prevented from rotating.
  5. 5. The heat treatment device for magnetic cores of current transformers according to claim 4, wherein arc-shaped blades are vertically arranged between the magnetic core placing discs on the inner sides of the limiting columns.

Description

Magnetic core heat treatment device of current transformer Technical Field The utility model relates to the technical field of transformers, in particular to a heat treatment device for a magnetic core of a current transformer. Background In the prior art, the magnetic core of the current transformer needs to be subjected to heat treatment in the production process. At present, the heat treatment device is generally a heating barrel, a frame body for placing the magnetic core is arranged inside the heating barrel, and the magnetic core on the frame body can be collected only after the frame body is lifted out of the heating barrel through a crane after heat treatment. This process must be aided by a crane, thereby resulting in limited equipment use, difficulty in application to workshops without a crane, and an impact on processing efficiency. In addition, as the position of the heating element in the heating barrel is fixed, the heating of the magnetic core on the frame body is easy to be uneven, and the heat treatment quality of the magnetic core is affected. Disclosure of utility model The utility model aims to solve the technical defects and provides the magnetic core heat treatment device for the current transformer, which can realize that the magnetic core is heated relatively uniformly in the heating process, and can automatically lift the magnetic core placing disc to the outside of the heating barrel after the heating is finished, so that the magnetic core is convenient to collect. The utility model discloses a magnetic core heat treatment device of a current transformer, which comprises a support and a heating barrel, wherein the heating barrel is fixed on the support, a heating plate is arranged on the inner wall of the heating barrel at intervals, a shaft sleeve is rotatably arranged at the center of the bottom of the heating barrel, the shaft sleeve vertically extends downwards from the inside of the heating barrel to the outside of the heating barrel, a mounting plate is arranged on the support below the shaft sleeve, a first power mechanism is arranged on the mounting plate, the first power mechanism is in transmission connection with the shaft sleeve, a vertically upward screw rod is rotatably connected on the mounting plate, the screw rod penetrates through the shaft sleeve and extends into the heating barrel, a second power mechanism is arranged on the support, the second power mechanism drives the screw rod to rotate, a rotating column is sleeved on the screw rod in the heating barrel, the inside of the rotating column is hollow and provided with internal threads, the internal threads of the rotating column are matched with the screw rod, a plurality of bulges are arranged on the lower end face of the rotating column, a plurality of grooves are arranged on the upper end face of the shaft sleeve, the bulges are matched and clamped with the grooves, a plurality of layers of magnetic cores are arranged on the rotating column at intervals, the diameter of the magnetic cores is smaller than the diameter of the heating barrel, a vertical cylinder is rotatably connected with the shaft sleeve, a vertically upward screw rod is rotatably connected with the mounting plate, a vertically upward screw rod is rotatably arranged on the mounting plate, a vertical cylinder is arranged on the cylinder, a telescopic cylinder is arranged on the cylinder, and extends to the top of the cylinder, and extends to the cylinder is arranged in the vertical cylinder, and extends to the cylinder. The first power mechanism comprises a first driven gear arranged on the shaft sleeve, a first motor is arranged on the mounting plate, a first driving gear is arranged on an output shaft of the first motor, and the first driving gear is in transmission connection with the first driven gear. The lower extreme of lead screw is the axis body with the position that the mounting panel rotated and is connected, is provided with the second driven gear on the lead screw of mounting panel below, is provided with vertical ascending pneumatic cylinder in the bottom of support, the flexible end of pneumatic cylinder sets up the extension board, fixed vertical ascending second motor on the extension board, the output of second motor is provided with the second driving gear, second driving gear and second driven gear cooperation transmission. The periphery of disc is placed to the magnetic core sets up four spacing posts, the disc is placed to all magnetic cores of spacing post connection, four spacing posts follow axial interval evenly distributed, evenly set up four blocking posts along axial interval in the heating barrel, every blocking post is connected through four vertically arranged's cylinder, and when the cylinder shrink, blocking post is located the outside of spacing post, and both do not interfere, and when the cylinder extends, blocking post interferes with the spacing post that corresponds, prevents the magnetic core to place