Multi-layer longitudinal magnetic field magnetic core heat treatment placing rack

The utility model discloses a multilayer longitudinal magnetic field magnetic core heat treatment placing rack which comprises a placing rack body, the placing rack body is provided with multiple layers, arc-shaped material trays are arranged on the placing rack body, supporting columns are arranged on the two sides of the arc-shaped material trays, the arc-shaped material trays are connected with the placing rack body through the supporting columns, one ends of the supporting columns are connected with the side edges of the arc-shaped material trays, and the other ends of the supporting columns are connected with the side edges of the arc-shaped material trays. The other end of the supporting column is connected with the containing frame, and a copper rod supporting structure is arranged in the middle of the arc-shaped material disc. The heat treatment device is simple in structure and large in magnetic core loading capacity, heat treatment efficiency is improved, and the magnetic core performance is uniform