SU118141A1 - Machine for forming vamp shoes - Google Patents

Description

A known machine for forming the toe part of a shoe blank, including a blank support, a heated spring-loaded die and a punch.

The described machine for forming the vamp of shoe blanks differs from the HseeiCTHoE machine in that it uses a second punch mounted inside the punch that interacts with the toe of the vamp at the top position of the die.

This is done for the purpose of further stretching the toe part of the workpiece, which improves the molding process.

The drawing depicted en schematic |: ki general view of the machine.

In the machine bed, mounted in the vertical direction is the rod 1, which carries a heated matrix 2 at the upper end, equipped with springs 5 and a spring-loaded stop 4. The lower end of the rod rests on an elastic diaphragm 5, reinforced inside the air chamber 6, the lower cavity of which is connected by pipe 7 compressor (not shown).

To the upper frame of the machine, the attachment punch 8, mounted coaxially with the die 2 and fitted with springs 9. The punch enters the opening of the plate 10 suspended from the bed and also equipped with springs 11. A second punch is fixedly mounted inside the punch 8 ./2.

The billet vault is placed on a heated matrix 2 and compressed air is fed into the lower cavity of chamber 6. The latter lifts up the diaphragm 5 together with the shock 1 and the die 2. When the anvil 4 touches the lower part of the punch 8, the die set on the die is clamped between them. At the same time, the spring-loaded plate 10 presses the vamp of the workpiece to the surface of the matrix 2 along the periphery.

As the die is further raised, the punch 8 presses the clamped vamp of the workpiece into the matrix 2 and pulls it out, giving it the necessary volumetric shape. Under pressure of a matrix the sprung poan