RU1825380C - Automatic apparatus for thermal treatment of products - Google Patents

Abstract

Usage 1 heat treatment of products by induction heating for volume-surface hardening of gears in a wide range of their sizes. The inventive automatic device for heat treatment of products mainly gears, contains a frame with a drive located thereon, a mechanism for horizontal movement of products in the processing zone, an inductor and a mechanism for supplying products to the inductor coaxially with the inductor. The device is equipped with a mandrel coaxially mounted in the inductor and a cylindrical body placed coaxially with the inductor and made in the form of coaxially placed parts, the inside of which has the ability to location in the inductor and relative to the outer part and is made with a support ring fixed on its end surface, the cylinder of the power cylinder is made with a clamping cover rigidly connected to the inside of the housing, and the movement mechanism is made in the form of a tray, a gate and a drive for moving them connected to them provides improved product quality and enhanced technological capabilities by providing volume-surface hardening of gears of various sizes. 3 ill. ё

Description

The invention relates to mechanical engineering, in particular to devices for the heat treatment of products by induction heating, and can be used for surface-surface hardening of gears in a wide range of sizes.

The aim of the invention is to expand the technological capabilities of the device and improve the quality of products due to

providing volume-surface hardening of gears of various sizes.

In FIG. 1 schematically shows an automatic device for heat treatment of products, general view. in FIG. 2 is a section AA in FIG. 1; in FIG. 3 - hardening device.

An automatic device for heat treatment of products contains a frame 1 with a vertical pump located on it

00

about

with

by a machine 2 products 3, a mechanism 4 for horizontal movement of products in the processing zone, a mechanism b for supplying products to the inductor 5 coaxially with the inductor 5.

The mechanism b is made in the form of a power cylinder with a rod 7 and mounted on a support table 8 installed in the casing.

The device is equipped with a cylindrical body coaxially located in the inductor 5.

The housing is made in the form of a vertical telescopic pipe, the outer part 9 of which is rigidly fixed to the base 10 with a central hole mounted on the pipe 11 for supplying water from the pump.

The inner part 12 of the pipe-casing is mounted in the outer part 9 with the possibility of reciprocating movement in the vertical direction.

At the end of the inner part 12 of the pipe-casing, a removable support ring 13 is fixed with ribs for mounting the product 3.

A water-cooled core mandrel 14 with a replaceable part made in the form of a collet 15 for fixing the article 3 is placed in the pipe-casing. The lower end of which is rigidly fixed to the base 10 and the upper end is installed in the guide sleeve 16 mounted in the inner part 12 of the pipe Corps. Traverse 17 is rigidly fixed on the inner part 12.

A clamp 18 is mounted on the rod 7 with a replaceable reference 19 fixed thereon, provided with a tapering cone 20. It is connected by means of rolling pins 21 to the traverse 17.

The mechanism A for horizontal movement of products contains a power cylinder mounted under the drive 2 with a rod 22.

A slide 23 is fixed on the stem 22 with a bracket 24. In the holes of which cylindrical guides 25 are mounted parallel to each other. A pin 26 is placed between them, one end of which is fixed to the bracket 24. A pod is mounted on the other end of the pin 26. the spring tray 27 can be moved along the guides 25. At the same time, elastic elements 28 are mounted on the guides 25 between the bracket 24 and the tray 27.

A stop 29 is fixed on the ends of the guides 25. It restricts the movement of the tray 27 to the inductor 5. Therefore, the tray 27 is placed above the end surface of the inductor 5.

The device is equipped with a control system.

A device for heat treatment of products operates as follows.

In the initial position, the support ring 13 is placed above the end surface

inductor 5.

The process control system is included. The rod 22 of the master cylinder 4 moves the gate 23 and the tray 27 fixed thereon along the guides 25. After moving to the stop 29, the tray 27 stops, and the gate 23 continues to move, and compressing the spring 28, respectively, moves the gear 3 along the tray 27 above the inductor 5 and installs it on the support ring 13.

Then, the stem 22 is returned to the original

position, while moving the slide 23 backward. The tray 27 remains stationary until the springs 28 are fully stretched. After that, the tray 27 connected

stud 26 with the stem 22, also starts the reverse movement to its original position. After the return of the rod 22 to its original position include the mechanism 6 of the supply of products. Stem 7 and cap fixed on it

18 with the mandrel 19 begin to move downward, moving to the inductor 5 the upper part 12 of the pipe-body carrying the article 3 at its end. In this case, the article 3 is mounted on the collet 15 of the mandrel 14.

And the cover 18, together with the inner part 12 of the pipe-body, moves downward, covering the inductor 5 (with some clearance). In this case, the inner part 12 of the pipe is brought out of the active zone of the inductor 5, the mandrel 19 comes into contact with the inner surface of the article 3 and fixes it from above by means of a bursting cone 20.

Product 3 is heated and the water pump is turned on. Water is discharged through the gap between cover 18 and inductor 5.

Then, rod 7 is retracted up to its original position. Simultaneously with the rod 7, the pressure cap 18 moves with the amendment 19, releasing the hardened product 3. In this case, the inner part 12 of the pipe body with the support ring 13, which removes the hardened product 3 from the mandrel 14, moves out of the mandrel 14 and is removed from the mandrel 14. core of the inductor 5.

Then, the hardened product 3 pushes the next product supplied by the gate 23 from the mandrel 14 along the inclined tray. The cycle is repeated.

Such a structural embodiment of the device allows for surface-surface hardening of cylindrical

products such as gears, rings, etc. in a wide range of sizes in automatic mode

At the same time, high quality hardening of gears made of steels of low hardenability such as 55PP and ShKh4RP is ensured, with intensive cooling by a fast-moving stream of water.

The presence of reliable fixation of the product during cooling eliminates its deformation.

Claims (1)

The claims An automatic device for heat treatment of products, mainly gears, containing a bed with an inductor located on it, a drive with a mechanism for moving products into the processing zone perpendicular to the vertical axis of the inductor and mounted coaxially with an inductor is a mechanism for supplying products to an inductor in the form of a power cylinder with a rod, characterized in that in order to expand technological capabilities and improve the quality of products, the device is equipped with a mandrel coaxially mounted in the inductor and a cylindrical body placed coaxially with the inductor and made in the form of coaxially placed parts, the inner of which it has the ability to move in the inductor and relative to the outer part and is made with a support ring fixed on its end surface, the rod is the first cylinder is made with a clamping cover rigidly connected to the inner part of the housing, and the movement mechanism is made in the form of a tray, a gate and a drive for moving them connected to them (pl / f. / 08C9281 FIG. 5