Width adjustable and temperature controllable transverse magnetic flux induction heating apparatus

A technology of induction heating device and transverse magnetic flux, applied in the direction of induction heating device, induction heating, coil device, etc., can solve the problem of not significantly improving the uniformity of temperature distribution at the edge of the strip, overheating of the edge of the strip, and unsatisfactory effects, etc. problems, to achieve flexible temperature distribution, improve production efficiency, and save costs

Inactive Publication Date: 2006-07-12
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two disadvantages of this induction heating device: First, the air gap between the coil and the strip does not have a great influence on the temperature distribution, therefore, the adjustment of the air gap will not significantly improve the uniformity of the temperature distribution at the edge of the strip performance, in other words, this induction heater is able to adapt to the limited width of the strip
[0010] Since the temperature distr

Method used

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  • Width adjustable and temperature controllable transverse magnetic flux induction heating apparatus
  • Width adjustable and temperature controllable transverse magnetic flux induction heating apparatus
  • Width adjustable and temperature controllable transverse magnetic flux induction heating apparatus

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Experimental program
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Embodiment Construction

[0030] Such as figure 2 As shown, 1-strip, 2-fixed coil, 3-moving coil, 4-yoke block, 5-guide rail, 6-moving mechanism, 7-groove structure, 8-fixed structure, 9-support frame;

[0031] Yoke block: It is made of special silicon steel sheets with a thickness of 0.2 mm. In order to reduce eddy current loss, the surface of the silicon steel sheets is perpendicular to the workpiece. The basic shape of the yoke is a cuboid, which just fits through the slot when installed. The bottom surface of the yoke block is in the same plane as the bottom surface of the fixed coil. In order to determine its position in the slot, there is a structure similar to a clip on its upper surface, and the yoke block is clamped on the supporting frame. There are screw holes on the yoke block for easy fixing.

[0032] Groove: The groove is fixed on the supporting frame, and its basic shape is similar to that of the yoke iron block. There is a spring leaf structure inside it, and there are screw holes in t...

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Abstract

Present invention relates to a width adjustable and temperature controllable transverse direction magnetic flux induction heating apparatus. It contains belt material, fixed coil, mobile loop, yoke iron, guide way, travel mechanism, tank shape structure, fixed structure, and supporting rack, wherein fixed coil parallel to belt material surface, fixed coil long edge perpendicular to belt material direction of motion, removable loop parallel to belt material surface and located fixed coil outside it long edge parallel to belt material direction of motion mobile fixation to supporting rack, interior fixing several groove shape structure, yoke iron inserted in groove and fixed by fixing structure, each traveling loop can sliding in two ends guide way, supporting rack. Present invention is width and temperature controllable, can adapt belt material width variation in larger range and get more uniform temperature distribution, greatly raise production efficiency and save cost.

Description

technical field [0001] The invention relates to a width-adjustable and temperature-controllable transverse magnetic flux induction heating device. Background technique [0002] One of the important application fields of induction heating is the heating of metal sheets and strips (hereinafter referred to as strips). The heating methods can basically be divided into longitudinal magnetic flux induction heating and transverse magnetic flux induction heating. [0003] For longitudinal flux induction heating, the coil surrounds the workpiece such as Figure 1a shown. The alternating current generates alternating magnetic flux along the axial direction of the workpiece, and the eddy current generated by the alternating magnetic flux is parallel to the cross section of the strip. If a higher heating efficiency is to be obtained, the ratio of the strip thickness to the skin depth must be greater than 3, otherwise, the heating efficiency will be reduced due to the mutual cancellatio...

Claims

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Application Information

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IPC IPC(8): H05B6/02H05B6/10H05B6/36H05B6/40C21D9/60
CPCY02P10/25
Inventor 杨晓光汪友华
Owner HEBEI UNIV OF TECH
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