SU936468A1 - Inductor for heating parts at flanging - Google Patents

Description

The invention relates to electrical engineering, and more specifically to devices for induction heating, for example, when flanging flanges with pressure. . . ; An inductor for heating parts is known, which contains a magnetic core divided into two parts and an induction wire fixed on it. The induction wire is also divided into two parts along the longitudinal axis of the inductor and is made of hollow hinge plates connected at the ends, and the sheets of both parts of the magnetic circuit are lapped to a depth of 1 h. The height of the magnetic circuit 1. However, in the process of flanging the heater section In order to achieve a predetermined temperature, the heating is controlled by varying the size of the gap between the inductor and the part by changing the geometry of the inductor itself, which reduces the reliability of the inductor. In addition, the used sealing of the joints of the moving parts of the electrical power supply, which is simultaneously a cavity for the supply of coolant, also reduces the reliability of the known inductor. The closest to the technical essence of the invention is an inductor for heating parts when flared, containing a loop loop mounted on a support with a magnetic core, equipped with a roller support system 2. However, this inductor does not provide a constant gap between the inductor turn and the part, therefore heating uniformity is insufficient. The purpose of the invention is to increase the uniformity of heating and reliability of the inductor. The goal is achieved by the fact that the S inductor roller supports are arranged mutually perpendicular.

planes, and the coil is fixed on a support pivotally and with the possibility of reciprocating movement along it.

FIG. I shows an inductor (the initial position of the mechanisms before flanging), the total air intake; 2 WWD A in FIG. 1; FIG. 3 shows the position of the inductor at the start of flanging. FIG. 4, the same at the end of the flanging operation.

The inductor for heating includes a housing 1, within which an inductor (not shown) is located, and a support comprising a slider 2 and a shell 3 with a carriage 4. A tracking device consisting of vertical 5 and horizontal 6 rollers, a handle 7 and clutches 8 supply and cooling. The housing 1 is fixed on the slider 2 by means of the hinge 9 and the spring 10, the Slider 2 is provided with a stop 11 of turning the housing 1 and the handle 12 and moving progressively along the guide rollers 13 located on the carriage 4, The carriage 4 is mounted on the rack 3 by means of the hinge 14 and spring 15, For fixing the inductor in the initial position, there is an emphasis 16,

The inductor works as follows; in the image,.

From the initial position (Fig. 1), the inductor enters the working one. The orbort part of the workpiece is in the inductor gap (in the heating zone). The rollers 5 and 6 of the follower device are pressed against the surface of the product from the outside and from the bottom by means of the forces of the springs 10 and 15,

During the bending process, the cross-sectional shape of the flanged part is constantly changing, and the inductor automatically takes up a position with the help of a tracking device in which the flanged part of the workpiece is approximately in the middle of the inductor's gap, which ensures uniform heating.

The use of the proposed inductor dp heating parts allows to increase reliability, quickly adjust the mode of operation and automatically maintain the operating position of the inductor with respect to the part, regardless of the application of the profile of the flange.

Formula of Invention

An inductor for heating the parts during flanging, containing an installed ") 1st support on a loop loop with a magnetic conductor, provided with a system of roller bearings, which is such that, in order to improve heating uniformity and reliability, the roller bearings are located in mutually perpendicular planes , and the coil is fixed on a support pivotally and with the possibility of reciprocating movement on it.

Sources of information taken into account in the examination

1, USSR Author's Certificate No. 396841, class I, 05 B 5/18, 1981,

2, US Patent No. 3835282,, 219-10,57, 1974,

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Claims (2)

Claim An inductor for heating parts during flanging, comprising installing a loop coil with a magnet25 wire on the support, equipped with a system of roller bearings, characterized in that, in order to increase the uniformity of heating and reliability, the roller bearings are arranged in mutually perpendicular planes, and the coil is fixed on the support pivotally and with the possibility of reciprocating movement on it. 35 Sources of information taken into account in the examination 1. USSR author's certificate No. 396841, cl. H 05, 5/18, 1981. 2. US patent No. 3835282, ₄₀ C. 219-10.57, 1974.