SU784988A1 - Apparatus for pack-type pressing of articles from powder - Google Patents

Description

(54) DEVICE FOR PACKET PRESSING

one

The invention relates to powder metallurgy.

A device for pressing sheets, disks and plates of various configurations in a plane perpendicular to the axis of pressing is known. The pressing is carried out in a cavity formed by two plates of solid steel and a matrix into video frames from easily-defining wire or tape 1.

The disadvantages of the known device is that it does not allow to obtain high products, requires the application of additional force on the deformation of the frame; does not allow to use the frame many times.

The solution closest to the proposed technical essence and the achieved effect is a device for batch pressing of products from powder, including a die, upper and lower punches and an intermediate element 2.

However, this device has the following disadvantages:

it is impossible to obtain high-precision products due to the distortions of the dividing products from powder

clutches and non-identities; and the movement of each gasket;

it is impossible to obtain products of complex configuration in the plane perpendicular to the axis of extrusion;

it is impossible to obtain products with a greater ratio of height to diameter;

compressible products have a low density;

It is impossible to obtain equal-density compacts in the whole package.

10 The purpose of the invention is to increase the density and accuracy of products and to expand the technological capabilities of the device.

To achieve this goal, the device is equipped with pusher columns and spring-loaded inserts in the upper m.

15 punch grooves are made, sockets are made in the matrix: for placing the columns and the liner, the columns are rigidly connected to the intermediate element and installed with the possibility of vertical displacement in the grooves of the upper punch, and the inserts are mounted under the push columns.

The drawing shows the proposed device, a longitudinal section.

Claims (1)

Claim A device for batch pressing of powder products, including a matrix, upper and lower punches and an intermediate element, characterized in that, in order to increase the density and accuracy of products and expand the technological capabilities of the device, it is. it is equipped with pusher columns and spring-loaded inserts, in the upper punch there are ^Js yen grooves, in the matrix there are slots for placement of columns and inserts, moreover, the columns are rigidly connected to the intermediate element and installed with the possibility of vertical movement in the grooves of the upper punch, and the inserts are mounted under pusher columns.