SU384612A1 - PULLING-IN PRESS FORM - Google Patents

Description

one

The invention relates to the field of foundry, in particular: to casting molds under pressure.

The extrusion of molds is known to be molded under pressure,: equipped with floating light ejector, allowing people to automatically separate the molds From the liner: And opening the mold.

However, such ejector devices do not allow coitrol casting during the manufacturing process, revealing a nest forming casting defects with defects in multi-cavity molds, since all the castings are separated from the casting and are cast into the container.

For the purpose of the one-time ejection of the castings and the sprue, the described ejecting device of the mold is provided with a removable 1plate, set; imprinted: in the gap between the 1cr plate: the shape of the mold and the elongated shanks of the injection spout.

The drawing shows the proposed ejector device in the section.

The ejector consists of ejectors 1 OT11BOK 2, floating Alternating-3, sprue 4 installed in plate 5, prizhi; multi plate 6, counter-tappets 7, (installed in ilite 8, adjusting screws 9 with the removal of my strip 10, installed in the gap between the PLATE | K | REPL € Ne 11 movable

loluform 2 n elongated shank 13 floating ejector 3.

The ejector device operates as follows.

When pressing in the alloy, the ejector of castings, which perceive the pressure of the melt, are kept in the initial position by means of regulating screws I nlit 8, 6, 5 and counter-pushers 7.

The pulling ejector 3 with its elongated shank 13 rests on the removable bar W, which prevents movement of the pressing ejector 5 under the pressure of the alloy.

When opening the mold for | us underfill half mold 12 1pe, moves the ejector device to the stops 14, installed on the machine (not shown in the drawing). The plate 8, (the meeting of the stops 14, stops and stops the counter-pushers 7 of the plates 6 and 5 installed in it and the ejectors / which (push the castings 2.

The floating ejector 3 in this case pro25 moves with a movable i-shape

12, select the gap a in the irim plate 6.

At this time, the castings 2 are separated from the sprue 4.

Having selected the gap a, the floating ejector 3 rests the burtot m 15 into the pressing plate 6 1I and stops, the pulling out rapiH this 4.

To obtain a casting bush with litadiada orI | Wazni.knoveN | and the necessary coitrol otdivok in the | M inspection of the removable planch 10 is removed. When brewing the melt into the latency-form, the floating elongator 3 s, with the elongated shank 13 under the action of the melt pressure, moves to the bottom of the burto1 m 15 in the pressing plate 6, selecting the gap a.

Simultaneously with pulling out from | IWOK 2, the pushing ejector 3 will push the liter out: to 4.

In order to renew the automatic separation of castings from a lith, it is necessary to install a removable 1p.nk 10 in the gap between

With a molded mount, the movement of the half-mold 12, and an extended shank 13 of the floating plug, pull-out 5.

Subject invention

Went out: the die nodding device casting | Under pressure 1m, having a rening plate, Including a floating spout of a sprue with an extended shank, and drawing out | K; and the cutter | And castings installed on a common plate, characterized by the fact that ejection of castings with litik, it is equipped with a removable plate, which is enclosed in the gap between the mold fastening plate and the extended tail of the floating gate ejector.

7 / S 812 713 6 5 12 /

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device