SU1253695A2 - Arrangement for corrugating a strip - Google Patents

Description

i

The invention relates to the processing of metals by pressure and can be used in industry for the manufacture of serpentine parts, in particular zigzag heaters for thermal installations.

The aim of the invention is to improve the quality of products,

In Figure 1, the yhema of the proposed device is shown; ya figure 2 - section aa in fig; on fig.Z - section BB in figure 1; figure 4 is a section bb In figure 1,

The device has two identical telescopic parallel shaft 1, having the ability to rotate in the bearings 2 and connected with each other gear 3. The splines are provided on the shafts, vtol

the role of latches 4. Both shafts carry one rigidly fixed hinge 5 and 6 on oneself,

Between the teeth of the ratchets there is a protrusion 7 of the rod 8, which can move reciprocally due to the roller 9 placed in the groove of the cam Y. The extreme positions of the rod ensure the orientation of the shafts with clamps (hollow against the hollow) and their locking.

On the base frame 11, the arms 12 and 13 are pivotally attached, forming a parallelogram with a frame and a rod 14, on which the bending tools 15 and 16 are rigidly fixed.

Together with one of the parallel levers on the shaft 17, the double-arm lever 18 is rigidly fixed, pivotally fastened to the drive 19. The guides 20-23 form a closed box and are attached to the frame with the ability to be adjusted to the width of the snake being curved.

The device works as follows.

ObrZO ..

The end of the tape 24 is passed through the closed box 25, and then -. between the guide 20 and the ends of the latches 4.

ten

15

25

thirty

35

2536952

When the actuator is turned on, the 19 double-shouldered lever 18, and hence the lever 13, rotates and the pull 14 makes a complex movement, remaining parallel to the plane passing Through the axes of the shafts 1.

The bending tool 15, rigidly fixed on the t 14, picks up the tape, puts it along the locks 4 and presses along the entire length. Up to this point, the shafts 1 remain locked, since the protrusion 7 of the rod 8 has not yet left the interaction zone with the ratchet 6. With further movement of the lever system, the bending tool 15, interacting through the belt 20 onto the latches, tends to turn the shafts. At this moment, the protrusion 7 completely releases the ratchet 6 and rests against the ratchet tooth 5 with its upper end. Actually, the bending tool 15 and the protrusion 7 rotate the shafts through the ratchet 5 by a pitch. In this position, the next depressions between the latches are placed one against the other, and the branch of the snake is bent in them. The shafts toward the end are again retained by the protrusion 7 and the ratchet 5. During rotation, the ratchet 6 also rotates, occupying the initial position for the next part of the cycle, since the shafts are interconnected with the brush 3,

20

During the reverse stroke of the rod 14, a similar bending takes place, only the work / is performed by the bending tool 16, and the shaft locking at the end of the turn is ledge 7 and the ratchet 6.

In idle mode of the device without a tape, as well as when the last branch of each product is turned, the protrusion of the shafts-holders is performed only by the protrusion 7 and one of the ratchets 5 or 6.

In the proposed device it is possible to obtain products of various widths.

Aa

6B

(Pus. 2

fig.Z

physical

Compiled A.Guz Editor M.Kelemesh Tehred L.Serdyukova

4663/13

Circulation 783 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, Projecto st., 4

Proofreader M.Sharoshi

Claims (1)

DEVICE FOR CORRING THE TAPE by ed. St. 776709, characterized in that, in order to improve the quality of products, it is equipped with a mechanism of forced periodic rotation of the clamps, made in the form of a cam mounted on an axis, a two-arm lever interacting with a roller cam associated with the roller rod and ratchet mounted on the holder shafts of the clamps with the possibility of interaction with the protrusion of the rod. FIG. 1