SU567532A1 - Ferrule rolling-out press - Google Patents

Description

(54) PRESS FOR ROLLING OUT OF SHUTTERS

one

The invention relates to the processing of metals by pressure and is used in press-forging equipment used for rolling large-sized shells.

The known press for rolling shells, containing a vertically positioned frame with a removable mandrel l placed horizontally in the frame and placed with the possibility of vertical movement of the hydraulic head.

A disadvantage of the known construction of the press is the difficulty of installing the preform for rolling and removing the finished shell.

The closest to the described invention to the technical essence is a press for rolling shells containing a shaped vertical frame with a stand, upper and lower traverse mounted on the upper beam of the striker, the vertical axis of which is located in the plane of symmetry of the frame, the drive of the working movement of the striker and removable mandrel 2J. However, because of the console positioning of the mandrel, it is not possible to roll out the high shells on this press, and the processes of installing the workpiece for rolling and removing the finished shell are complex.

The aim of the invention is to reduce the time of re-installation of the workpieces and to expand the range of sizes of rolled shells.

To achieve this goal, the mandrel is mounted on the lower console, with the mandrel axis perpendicular to the plane of symmetry of the bed, and in the stand of the bed in the area of the mandrel is made an opening symmetrical with respect to the plane of symmetry of the bed passing through the lower console.

FIG. 1 shows the proposed press, front view; in fig. 2, section A-A of FIG. one.

Press for rolling shells contains a C-shaped frame of the vertical type, having a rack 1, the upper and lower 3 traverse, the firing pin 4 drive. 5 movement of the striker, a removable mandrel 6, mounted on the lower console of the crosspiece 3 on the supports 7, the actuator 8 of rotation of the mandrel. In the stand of the bed, in the zone of placement of the rig with padding 9, an opening 10 is made, passing through the lower console of the bed. Press works like this.

In the workpiece 9 heated to the forging temperature, the mandrel 6 is inserted, after which the workpiece is installed, for example, with a crane on the supports 7

After that, make the compression of the slug between the die and the mandrel by the force of the actuator 5. When the mandrel from the actuator 8 is rotated, the workpiece is rotated by the required angle for the next crimping. The crimp is then applied through the thickness of the preform until the final shell dimensions are obtained.

High presses can be rolled out on this press, as they are mounted on two supports. The installation of the mandrel with the prism blank and its removal from the shell do not require additional means of mechanization, the press assemblies do not interfere with the execution of these operations, and their execution time is reduced.

Claims (2)

1. Author's certificate number 424738, cl. In ZO B 15/06; 2.Patent UK No. SW 1672, cl. In 3 N, 1968. n S but eight {J / /. / / / / / /// //. -W ///// / / //// / / / / / / 9ig.1 //////// // ig.g