SU20619A1 - Hydraulic Press for Crimping Strip Ends - Google Patents

Description

The proposed double-action hydraulic press with a shaped punch attached to the press plunger is designed to crimp the ends of the strips in the production of gas welding pipes.

In FIG. 1 is a front view of a press; FIG. 2 is a side view of the left side of FIG. 1 with a partial vertical section; FIG. 3 - vertical section of the press along the axis;

At the top of the vertical base of the press there are two hydraulic cylinders F and Ж, in the plunger of which the punches X are inserted. The matrix into which the ends of the strips are laid and in which they are properly crimped by the puncheson consists of two parts: a fixed R and a movable RI that flies away on the hinge t under the action of a fist U turning on the axis b. The rotation of the knuckle Z7 occurs when the po: face 2 (Fig. 3), reinforced at the end of the rod b, is connected to the hinge by the other end of the plunger and conveys its movement to the fist, and enters the hollow of the latter. With the upper position of the plunger 3 and ti g b, as shown in FIG. 1 and 3 of pkktir, the -Ri flap of the hinge and the matrix is open, with the lowering

the plunger and the hg h it closes, whereby when the matrix is completely closed, the roller S emerges from the depression y and goes further down along the trough-shaped guides on the end portion of the cam U.

Inside the matrix, in each part of it, there is a pair of dogs s on which the edges of the roll-up end of the strip are supported with the matrix closed; as the punch moves down, the dogs go into the recesses in the walls of the die.

To form a funnel-shaped part of the strips to be processed, it is fixed at the end of the lever / (Fig. 2), turning on the axis fe, the conical mandrel p entering the front working hole of the matrix R. The lever J lowers and raises the necessary moments .onpeiBKy (its upper the position is shown in Fig. 2 by the dotted line), receiving movement from the b axis of the cam U through the vertically moving thrust rod L (Fig. 1 and 2), having a slot at the bottom, into which the finger of the curved end of the b axis enters, and at the top the finger slides slotted in lever I of slot I. For mandrel j) not thodila aside when pressure on the matrix, there is a lever protrusion J t, for which f zaskakiv flushes tooth thrust L. Compressed end

the strip, on opening the matrix, is ejected from it with a finger e.

 Subject Patent a.

Hydraulic press for crimping the ends of the strips, in, xapaktep c) 1) using the matrix B-Ri, the opening and closing of which takes place in coordination with the movement of the press plunger by means of h h, which has a hinge at one -KOHjje

- 2 -

on the plunger of the press, and on the roller S, abutting the lowering of the plunger into the depression of the fist Z7, the turn, on the b axis and telling the movement of the moving part E of the above matrix, 2) using a conical mandrel p fixed to the end of the lever / turning on the axis / s, in the slit I of which the slurry of the state of emergency, strengthened, slides on L, moved by the finger n, when turning, the axis b in the guides, the frame of the press