Coil mounting device and preparation method thereof

The invention relates to the technical field of inductance coils, and concretely relates to a coil mounting device and a preparation method thereof. A coil body is connected with a circuit board, four outer cylinders are connected with the circuit board, a plurality of reset springs are connected with the four outer cylinders, four limiting blocks are connected with the reset springs, four inner cylinders are connected with the four limiting blocks, the four inner rings are connected with the circuit board, the four first threaded rings are connected with the four inner rings, the four fixing columns are connected with the four first threaded rings, the fixing columns on the first threaded rings are rotated during installation, the fixing columns penetrate through the inner rings to fix the circuit board to equipment, the circuit board compresses the inner cylinder into the outer cylinder in the fixing process, the reset spring in the outer cylinder absorbs vibration generated when the device is used, stabili