SU512001A2 - Deburring device - Google Patents

Description

The invention relates to devices intended for deburring in welding places of workpieces that are in motion, for example, in the process of endless rolling on a small section or wire mill.

A device for stripping is known, containing two drive rollers with cutouts at an angle to the radial axis, and movable cutters with their moving mechanism in the form of pulling and pushing electromagnets freely installed in the grooves of the rollers. In this case, the incisors are the core crust and are interconnected by means of a hinged rocker. Through the ring current collection, power is supplied to the coils of the electromagnets.

The disadvantage of this device design is that in the process of removing grata, dross can fall between the cut-out planes of the roller and the cutter's planes, which will lead to jamming of the cutter, and this, in turn, will lead to the failure of the electromagnet.

The aim of the invention is to increase the operational reliability of the device.

This goal is achieved by the fact that the incisor movement mechanism is made in the form of a system of levers, the common link of which is connected to the drive of the incisors movement outside the roller through thrust bearing.

FIG. 1 is a diagram of the proposed deblocking device; in fig. 2 is a section along A-A in FIG. 1. The device consists of two drive rollers 1 and 2 with radial notches 3 and cutters 4 installed in the notches, and the mechanism for moving them is made in the form of links 5, one end of each of which is hinged to the cutter and the second ends are combined

in the common joint 6, the common joint, through the supporting support 7, is connected to the drive 8 for moving the incisors, for example a hydraulic cylinder. The device is equipped with a limit switch 9, which controls the presence of burrs on the workpieces, a gear 10 with a gear ratio of 1: 1 and a roller rotation drive 11. To prevent welding current from leaking, the device is mounted on insulators.

The device works as follows.

In the initial position, the rollers 1 and 2 rotate at a linear speed equal to the rolling speed, the cutters 4 are recessed flush with the roller.

When the first billet passes through cage I, the beginning of the billet falls between rollers 1 and 2, which guide it into cage II. After feeding the second billet between stand I and rollers 1 and 2, the process is carried out

melting and precipitation, resulting in a burr on the blanks. At the moment of passing grata through the section controlled by the limit switch 9, remote from the axis of the rollers 1 and 2 to the distance I, characterizing the acceleration of the drive 11, the command to simultaneously turn on the drive of the rotation of the rollers on the increased speeds of the cutters, which through the thrust bearings 7 transmits the force to the common joint 6 and, through links 5, to the extension of the incisors 4, which produce the tearing. After removal of the burr, the drive of the rotation of the rollers is transferred to the speed of rotation of the rolling, the cutters 4 return to their original position. In the intervals between deburring, the rollers perform the function of guide wiring only.

With each subsequent passage of a burr through a section controlled by a limit switch 9, the described process is repeated.

Claims (1)

Invention Formula A device for removing burrs in places of welding blanks according to ed. St. N ° 418273, characterized in that, in order to increase reliability, the cutter movement mechanism is made in the form of a system of levers connected through thrust bearings to a drive, which is located at the limits of the roller.