FIELD: plastic working of metals, possibly manufacture of cylindrical envelopes of thin band or foil.
SUBSTANCE: die holder with blanking and drawing dies is rigidly mounted on lower plate of die set. Drawing dies are made of antifriction polymeric materials. Central drawing punch having drawing portion and bead in lateral surface is mounted on upper plate. In lower plate spring-loaded intermediate plate is mounted with use of columns. Said plate carries mounted telescopically blanking and drawing annular sections; one drawing section is provided with shoulder. On non-working ends of drawing sections unclamping rings are mounted. Said rings may engage with respective beads of drawing punch and drawing section. Levers whose one ends are jointly secured to said columns act through their other ends upon intermediate plate.
EFFECT: improved quality, reduced cost price of parts.
7 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DIE SET FOR BLANKING AND MULTISTAGE DRAWING | 0 |
|
SU1801671A1 |
| DIE FOR BLANKING AND MULTIPASS DRAWING | 0 |
|
SU1459768A1 |
| 0 |
|
SU311685A1 | |
| 0 |
|
SU459286A1 | |
| UNIVERSAL COMBINED PUNCH TO CUT STOCK AND DRAW PRODUCTS | 2009 |
|
RU2436648C2 |
| CUTTING-OUT, DRAWING AND TRIMMING DIE SET | 0 |
|
SU624687A1 |
| DIE FOR MULTIOPERATIONAL DRAWING | 0 |
|
SU1232333A1 |
| DIE FOR PUNCHING OUT AND DRAWING HOLLOW PARTS | 0 |
|
SU804103A1 |
| DIE FOR BLANKING, DRAWING,PUNCHING AND FLANGING | 0 |
|
SU841727A1 |
| PART BLANKING, DRAWING AND TRIMMING APPARATUS | 2003 |
|
RU2240887C1 |
