SU668751A1

SU668751A1 - Method of section-wise pressing of discs

Info

Publication number: SU668751A1
Application number: SU772516035A
Authority: SU
Inventors: Евгений Иванович Семенов
Original assignee: Всесоюзный заочный машиностроительный институт
Priority date: 1977-08-03
Filing date: 1977-08-03
Publication date: 1979-06-25

Description

Изобретение относитс к обработк металлов давлением, а именно к способам секционной штамповки дисков.The invention relates to the processing of metals by pressure, and in particular to methods of sectional stamping of disks.

Известен способ секционной штамповки дисков путем приложени дефор мирующйх усили к торцам заготовки в несколькостадий от центра ее к периферии с обжимом заготовки на последней стадии по всей поверхност торцовых сторон 1,There is a method of sectional punching of discs by applying deforming forces to the ends of the workpiece in several stages from its center to the periphery with crimping the workpiece at the last stage over the entire surface of the end sides 1,

Цель изобретени - повысить качество получаемых изделий и рентабельности процесса.The purpose of the invention is to improve the quality of the products and the profitability of the process.

Это достигае тс тем, что на всех стади х, предшествующих последней, реформирующие усили прикладывают к Части поверхности торЦовых сторон заготовки с сохранением равенства площадей этих участков. .This is achieved by the fact that at all stages preceding the latter, reforming efforts are applied to the Part of the surface of the end faces of the workpiece while maintaining the equality of the areas of these sections. .

На чертеже изображено. 2|стройство реализующее предлагаемый способ.The drawing shows. 2 | device implementing the proposed method.

способ секционной штамповки дисков включает последовательное приложение деформирующего усили от центрального участка 1 к периферийным, при приложении деформирующих усилий с двух сторон навстречу друг к другу .. Причем деформирование заготовки производ т поочередным действием верхнего пуансона, выполненного в The method of sectional punching of disks includes the sequential application of a deforming force from the central section 1 to the peripheral ones, when deforming forces are applied from two sides towards each other. Moreover, the workpiece is deformed by the alternate action of an upper punch made in

виде центрального пуансона 2 и наружного пуансона 3, и нижней секции, состо щей из центральной секции 4 и наружной секции 5.as a central punch 2 and an outer punch 3, and a lower section consisting of a central section 4 and an outer section 5.

В верхней части устройства, укрепленной На подвижной траверсе 6 пресса, смонтированы центральный ггуансон 2 и наружный пуансон 3, который совместно с нижним зубчатым венцом 7 с помощью фланцевого стакана 8 креп т к верхней плихе 9, Центрггльнь й пуансон 2 перемещают в направл ющей втулке 10.In the upper part of the device, mounted on the movable crossbar 6 of the press, the central Gguanson 2 and the outer punch 3 are mounted, which together with the lower gear crown 7 using a flange cup 8 are attached to the top plate 9, the centrglle punch 2 is moved in the guide sleeve 10 .

Подвижный зубчатый венец 11 опираетс на кольцо 12, расположенное в верхней части-фланцевого стакану 8. Венед 11 вращают с помощью руко тки .13.. .The movable ring gear 11 rests on the ring 12, located in the upper part of the flange glass 8. The wend 11 is rotated using the handle .13 ...

Нижнюю секциЕО устройства устанавливают на нижней плите 14 и креп т к столу 15 пресса. Она представл ет собой составную матрицу, состо щую из центральной секции 4,- жестко соединенной G нижней плитой 14, и наружной секци-и 5, котора опираетс на пружину 16. С помощью клиньев 17 можно .осуществить жесткое соединение наружной секции S и центральной The bottom section of the device is installed on the bottom plate 14 and is attached to the table 15 of the press. It is a composite matrix consisting of a central section 4, a rigidly connected G lower plate 14, and an outer section 5, which rests on a spring 16. With the help of wedges 17, it is possible to make a rigid connection of the outer section S and central

Claims

The central section 4 has a different working diameter with the central punch 2 of the upper part of the device, the lower part has a diameter dj and the upper part d ,. The outer section 5 of the lower part of the device has an inner diameter d and an outer d. The outer punch 3 of the upper part has an inner diameter dj and the outer diameter Dz, the same, with the outer diameter of the lower part section. When operating the central punch 2, for the first stroke of the yoke b, the upper ring gear 11 is rotated using the handle 13 so that the teeth located on its underside are set against the corresponding depressions on the bottom ring 7. At this moment the outer section 5 is rigidly connected to the central section 4. The central punch 2 deforms (presses) the workpiece 1, the lower part of which rests on a horizontal pad 18 formed by the central section 4 and the outer section 5. The forces of the process transfer at this m on the central punch 2, and the outer punch 3 does not work. During operation of the central section 4, the outer 5 can freely move downwards in the axial direction, supported by the workpiece 1, overcoming the resistance of the springs 16. In this moment, the wedge 47 is moved to the side of the center and the central section 4 is not fixed to the outer 5. In this way, the outer punch 3 and the central punch 2 act as one whole, since the teeth of the upper ring gear 11 are against the corresponding teeth; lower ring gear 7. The central section 4 deforms the preform 1 along an annular area with an outer diameter djj and an inner dj. When the outer section 5 is working, the half is rigidly fixed with section 4, the central 2 and outer 3 punes also act as one unit. Here, the outer section 5 deforms the preform 1 along an annular plane with a final outer diameter and inner diameter d2. The alternately deformed areas I F and P should be approximately equal. Moreover, F, .J (dj- df) ji. flt,, 2 g. - 3- The area of the forgings of the plan of the F plane is determined by dj. Then, dj and d are determined accordingly, and that F F2 P3 The proposed stamping method provides an improvement in the quality of manufactured products while increasing the profitability of the process. Claims Method of sectional punching of discs by applying deforming efforts to the ends of the workpiece in several stages from the center to its periphery with crimping the workpiece at the last stage over the entire surface of the end sides, characterized in that, in order to improve the quality of the received products and the profitability of the process: In all stages preceding the latter, deforming forces are applied to a part of the surface of the front sides of the blanks while maintaining the equality of the areas of these areas. Sources of information taken into account in the examination 1. USSR author's certificate 343750, cl. At 21 j 1/04, 1970.