SU867657A1 - Vertical hydraulic press - Google Patents

Description

(54) VERTICAL HYDRAULIC PRESS

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The invention relates to the processing of metals by pressure, in particular to the design of vertical hydraulic presses.

A vertical hydraulic press is known, comprising upper and lower crossbars, made up of columns with a fixed plate with a central hole, in the guides of which a working cylinder is placed, the plungers of which are fixed to the upper crossbar, and return cylinders mounted on the fixed plate 1.

The disadvantage of this press is that it is impossible to manufacture tubular products and remove them from the press area without increasing the height of the workshop building.

The purpose of the invention is to provide the possibility of manufacturing tubular shaped products and removing them from the pressing zone without increasing the height of the workshop building, which will expand the technological capabilities of the press and allow, along with the stamping of the products, to press up tubular products of large diameter and length.

This goal is achieved by the fact that in a vertical hydraulic press.

containing upper and lower cross-beams, made by columns with a fixed plate with a central hole, in the guides of which a slider is placed, working tsidindry, plungers of which are fixed by an vertical hydraulic press, containing upper and lower cross-pieces, made by columns with a fixed plate with a central hole, in the guides of which is placed the slide, the working cylinders, the plungers of which are fixed

fО to the upper crossbar, and return cylinders mounted on a fixed plate, the upper crossbar is made in the form of two beams, forming between them an opening, to each of which are attached the corresponding plungers of the working cylinders, with

; s this slider is made hollow.

FIG. 1 shows a press, front view; in fig. 2 - the same, side view; in fig. 3 shows section A-A in FIG. 2

The vertical hydraulic press comprises a frame including a lower cross-section 1 each, an upper crossmember made of two unrelated beams 2, an intermediate plate 3 connected to the lower and upper crossbars columns 4 and 5. In the guides of the intermediate plate 3 there is a slider 6 on which the bottoms of the working cylinders 7 are supported, and their plungers are fastened to the corresponding beams 2 of the upper cross member. Lifting cylinders 8 are installed in the intermediate plate 3 and their plungers abut against the press slider, which has a through central opening 9.

The beams of the upper cross member of the frame are located so that a through opening 10 is formed between them.

On the press table 11, in the stamping mode, the lower half-stamp is fixed, and on the slider 6 - the upper half-stamp. In the pressing mode, a container 12 with a lubrication plate and a die is fixed on the press table, and a press shtamp is pressed on the slider 6, and a needle (not shown) is fixed on the lower forgiveness system.

The press works as follows.

In the stamping mode, the press operates according to well-known technology. Press presses are made to press the pipes. The dies are removed, the container 12 is fixed on the press table, on the slider 6 -

shtampel press, on the lower forgive system - needle.

The extrusion of pipes can be carried out - both from hollow blanks and from solid blanks.

Pressing pipes from hollow blanks is carried out as follows.

In the container is placed the heated billet, lubricating plate and the matrix. By the stroke of the lower piercing system, the needle is inserted into the hole of the workpiece, and by the stroke of the slider 6, the pipe is pressed upwards. After pressing with an additional needle stroke, the press residue is separated from the pipe. The pipe is removed from the press up through the opening 10 by means of a bridge crane.

The needle is moved down, the container is lifted and the press residue with the die from the press is removed.

When pressing tubes from solid blanks, the latter is placed in container 12,

then set the sediment plate and

the needle stroke produces a blank of the workpiece,

after which the operation of pressing the pipe

produced as described above.

The presence of a free central zone

as well as the through opening between the beams of the upper cross member of the frame allows pressing the tubular products upward at the press, as well as removing them from the pressing zone without increasing the height of the workshop building.

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Claims (1)

Invention Formula A vertical hydraulic press comprising upper and lower crossmembers, made by columns with a fixed plate with a central hole, in whose guides a slider is placed, working cylinders, plungers of which are fixed to the upper crossbar, and return cylinders mounted on a fixed plate, characterized in that , in order to expand technological capabilities by enabling the manufacture of tubular-shaped products and removing them from the extrusion zone without increasing the height 0 of the building of the shop, the upper cross member is made in the form of two beams forming an opening between them, to each of which the corresponding plungers of the working cylinders are attached, while the slide is hollow. Sources of information taken into account during the examination 1. USSR Author's Certificate No. 341290, cl. B 30 V 1/32. 03.17.71.