Direct-electrifying heating device

Abstract

The invention is a directly electrified heating device, including a pair of electrodes oppositely arranged at a certain interval and a pair of conductors arranged in the opposite direction of the two electrodes and connected with them to support them, the two conductors are fixed by insulating plate pressing, wiring terminals are arranged roughly in the middle of the two electrodes and extend in an orthogonal direction to the opposite direction of the two electrodes and connected with a power supply at a certain frequency. By the above structure, it mainly solves the existing technical problem of unbalance of electric currents and unstable high-accuracy quenching quality of all the contact electrodes caused by the lengths of the first and second conductors contacting the contact electrodes turning different and simultaneously that of the arrangement surface increase of electrode parts and the quenching line structure being easy to be limited because of forked conductors arrangement around the contact electrodes. It can match various production lines to strengthen arranging universality of the device.

Description

Technical field: [0001] The invention relates to an electric heating device, in particular to a direct electric heating device for passing high-frequency current into a workpiece for quenching and other operations. Background technique: [0002] Conventionally, such a direct energization heating device has been disclosed, for example, in a patent document (Japanese Unexamined Patent Publication No. Heisei 10-183234). In this direct energization heating device (quenching device), a unit conductor is combined through an electrical insulating material between the first conductor and the second conductor, and, while arranging the first contact electrode and the second contact electrode, etc., from the first conductor Initially bifurcated, a gap is maintained along the longitudinal direction of the tooth surface of the corresponding rack, and oppositely arranged, along the other end of the second conductor of the unit conductor extending in the longitudinal direction, a pair of b...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a direct energized heating device that can improve the versatility of the device setting, mainly to solve the problem that the lengths of the first conductor and the second conductor connected to the contact electrodes in the prior art become different, and the power supply of each contact electrode The current value is unbalanced, and the high-precision quenching quality cannot be stabilized. At the same time, the installation area of ​​the electrode part is increased due to the arrangement of the branch conductor around the contact electrode, and the structure of the quenching line is also easily restricted.

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