RU144991U1 - DEVICE FOR MANUFACTURING FLAT RINGS - Google Patents

Abstract

1. A device for the manufacture of flat rings from the original oval billet with an oval hole, characterized in that it contains side plates, a punch, a die, adjustable internal spring stops, made with the possibility of location at a distance less than the inner diameter of the obtained ring, and to heat them when installing the workpiece into the matrix. 2. The device according to claim 1, characterized in that in the side plates from above, vertical slots are made with a width less than the width of the original workpiece. 3. The device according to claim 1, characterized in that vertical slots are made in the side plates at the top, the width of which is equal to the width of the original workpiece.

Description

The utility model relates to the processing of metals by pressure, and in particular to devices for the manufacture of rings.

The prior art device for the manufacture of flat rings from a prefabricated oval billet with an oval hole [patent SU No. 1687343 A1]. The disadvantages of this device are the low geometric accuracy of the products, the complexity of the implementation and the possibility of loss of stability of the workpiece.

The closest analogue is a device for the manufacture of flat rings from a prefabricated oval billet with an oval extension hole [patent for utility model RU No. 111785]. The disadvantages of the device are the complexity of the design and the likelihood of loss of stability of the workpiece, as well as the limitation of the process by the presence of tensile failure in the inner radius of the original workpiece.

The technical result of the proposed utility model is to reduce metal consumption, simplify the design and ensure the required performance, as well as the possibility of obtaining hollow flat parts with high geometric accuracy.

The technical result, which is claimed by the claimed utility model, is achieved due to the fact that the original oval billet with an oval hole is compressed with force P until the billet reaches the desired ring shape, while the initial billet is installed in adjustable (replaceable) internal spring-loaded stops located on a distance smaller than the inner diameter of the resulting ring, to avoid displacement of the workpiece at the beginning of deformation.

The utility model is illustrated by the following drawings:

- in FIG. 1 is a diagram of a device for manufacturing rings by compression from an initial oval billet with adjustable (replaceable) internal spring-loaded or other stops located inside the oval hole at a distance less than the inner diameter of the obtained ring.

The design of the device consists of side plates 1 and 2, the punch 3, the matrix 4, adjustable (replaceable) internal spring-loaded stops 5, made with the possibility of recessing them when installing the workpiece 6 in the matrix 4 of the device. In the side plates 1 and 2 from the top, vertical slots can be made with a width less than or equal to the width of the initial blank 6 for ease of installation between plates 1 and 2 (not shown conditionally in FIG. 1).

In the initial upper position of the press slider, the punch 3 mounted on the slider is also in the upper position (Fig. 1, a). At the initial moment of installation of the workpiece 6 in the matrix 4, the internal spring-loaded stops 5 are sunk, and then under the action of springs (not shown conditionally in Fig. 1) they return to their original position, thereby holding the workpiece to avoid its displacement at the beginning of deformation. After installing the workpiece 6 in the matrix 4, the press slider moves down, and the punch 3 compresses the workpiece with a force P until the workpiece reaches the desired ring shape (for example, the shape of a circle) (Fig. 1, b).

After the slider reaches the press position and compresses the workpiece to the desired ring shape, the slider moves to its original upper position, and the resulting ring is removed from the device, for example, by a spring ejector (not shown conventionally in Fig. 1). When removing the obtained ring from the matrix 4, the internal spring-loaded stops 5 are recessed, and then under the action of the springs return to their original position.

Compared with the usual cutting of such rings from the sheet, the proposed device provides a reduction in metal consumption up to 50% and higher.

The design of the device allows you to install it on a conventional hydraulic or crank press, equipped with automatic or manual loading of workpieces and the removal of finished parts to ensure the required performance. Using this device, you can get round flat rings, as well as flat rings of another shape (for example, square) of high quality.

Claims (3)

1. A device for the manufacture of flat rings from the original oval billet with an oval hole, characterized in that it contains side plates, a punch, a die, adjustable internal spring stops, made with the possibility of location at a distance less than the inner diameter of the obtained ring, and to heat them when setting the workpiece in the matrix. 2. The device according to p. 1, characterized in that in the side plates on top there are vertical slots with a width less than the width of the original workpiece. 3. The device according to claim 1, characterized in that vertical slots are made in the side plates at the top, the width of which is equal to the width of the original workpiece.