SU858999A1 - Forging die - Google Patents

Description

(54) SHIPPING STAGERS

one

The invention relates to the processing of metals by pressure, and, chaff to the design of dies for stamping forgings.

A stamp is known for stamping a forging, containing upper and lower plates with engravings facing one another xj and at least one intermediate plate with engravings on the upper and lower surfaces 13 "

The disadvantage of such a punch is the reduced accuracy of the forgings obtained. This is due to the fact that, on medium-sized workpieces of a stamp, equally-arranged engravings, when stamping results in increased and uneven deformation of the streams of the stamp, which negatively affects the accuracy of the forgings.

The purpose of the invention is to improve the accuracy of forgings.

The goal is achieved by the fact that in the stamp containing the top and

bottom plates with engravings on surfaces facing each other, as well as at least one intermediate plate with engravings on the upper and lower surfaces, engravings of the intermediate plate are filled with one angle of 180 degrees.

FIG. 1 shows a stamp with one spaced one at a time, with a flat view; in fig. 2 - production of streams engravings on slabs; in fig. 3 view of the intermediate plate engraving.

The stamp of the supoit from the top 1- and the bottom of it is 2 pieces, in which the upper and lower engravings of Rui are executed, respectively. The upper movable plate 1 of the stamp is fastened to the press ram or to the hammer hammer, and the lower stationary plate 2 is attached to the press table or to the hammer hammer. An intermediate plate 3 is located between plates 1 and 2, having the opportunity to move in the vertical direction along the guide columns 4. Before starting the stamping, the workpiece 5 is laid on {shchnie engravings of streams 6 and 7, after which stamping is performed. During the reverse run of the slider or head, the plate 3 is detached from the bottom plate 2, for example, by using the collar 8 on the guide column 4. The pin 3 is separated from the top plate 1, for example, by mechanical drafts 9 In the proposed die, they can be stamped simultaneously , and various forgings. It is obvious that the number of simultaneously forged forgings is determined by the number of intermediate plates 3. With one plate, two forgings can be stamped, with two or three, etc. when stamping single-type forgings of complex shape, the force perceived by different parts of the engraving is not the same in size and direction, since adjacent streams (relative to slab 3) are turned relative to each other by 180 (Fig. 2), elastic deformations and displacements of streams along both

Claims (1)

The xx sides of the plate are mutually balanced, which makes it possible to increase the accuracy of the stamping. Offered stamp; provides an increase in the accuracy of stamped forgings and at the same time increases its service life. Claims of the Invention Stamp for stamping forgings containing upper and lower plates with engravings facing one another and also at least one intermediate plate with engravings on the upper and lower surfaces, characterized in that To improve the accuracy of forgings, the engravings of the intermediate plate are made at an angle of 180 to one another. Sources of information taken into account during the examination 1. USSR author's certificate No. 721217, cl. B 21 J 13/02, 31.11.76 (prototype). Top 1 / f ujKHUu fyveH 2 tfZ.J