SU36946A1 - Rolling mill for the manufacture of shaped metal parts - Google Patents

Description

In existing rolling mills serving for the manufacture of shaped metal parts, for example railroad crossbars or the like, the product is inserted into the matrix of the movable table and is held between two rolls, the latter having the shape of the matrix during rolling of the work roll.

In order to ensure fast work of this kind of mill according to the invention, the matrix is mounted on the table rotatably, due to which it is possible to move away from the worker ;; and the matrix is pushed back and rolled out from the side. To automate this process, an actuator is used which is in conjunction with a shaft intended to produce a rotatable matrix action after the end of the work process.

When the table returns to its original position, this shaft receives movement in the opposite direction, so that the matrix can be returned to its working position again. A roller table is arranged for removal of discarded products near the table guides. In order to avoid hard impact of roll out products falling out of the matrix, the plate of the plate between the rollers of the roller table is moved up and down and thus connected to the mill drive that when the products are dropped, the cover is in the upper position, catching the ejected products, and when lowering it is attached to the roller table.

In the schematic drawing of FIG. 1 shows a longitudinal section of the mill; FIG. 2 is the same in vertical cross section; FIG. 3 is the same, top view, and FIG. 4-cross section of part of the rolling mill.

In the proposed rolling mill, in the frame 1, with profiling work roll 2, there is an opposite roll 3 provided with toothed rims. Between the two valkhami there is a table, the movement of which occurs from the hydraulic drive of the mill, not shown in the drawing, in the direction of the arrow. This table has jagged Vendas hooking onto the rims of the fire roll. Located under the table in the cylinder 4, the piston 5 serves to reverse.

A matrix 6 is inserted into the table b, the shape of which corresponds to the desired shape of the manufactured products. Roll 2 also has a shape corresponding to the product.

The matrix in (figs. 2, 3 and 4) is fixed on the shaft 7 with the possibility of movement. The shaft 7 extends beyond the length of the die and has a faceted shank 8 at its end. This shank corresponds to a hollow shaft 9 located on the guide table, the shaft 9 being connected by a bevel gear 10 in coupling with a bevel gear 11. The shaft 12 of the latter has The end of the crank 13, which by means of m 1 and 4 is hingedly connected to the lever 15.

The shaft 16 of the lever 15 has a double-arm lever 17, the upper shoulder of which is carried by the gelik 18, while the other shoulder of the pesetas is the counterweight 19. The roller 18 on the table 3 has a corresponding guide rest 26. There is also a bevel gear 20 at the end of the shaft 16, located in engagement with a tapered wheel 21 of the eccentric shaft. The eccentrics 23 of the shaft 22 are provided with struts 24. Slugging as support beams for the lining 25 of the slab.

When the rolling mill is operating, the table together with the die 6 and the workpiece 27 are conducted between both rolls 2 and 3; by rolling roll 2 on top of the blank, the latter takes the desired shape of the product; when the die leaves the working area, the faceted shaft of the shaft 7 enters the hollow shaft 9 and thereby engages the shafts 7 and 9.

Upon further movement of the table 3, the stop 26 presses the roller 18 downward, and then the shaft 16 gets rotated in such a direction that, thanks to the intermediate gears in the rolling mill, both shafts are rotated, resulting in the material 6 going out of the position shown in FIG. 4 by a dotted line and occupied position shown by flat lines. At the same time, the props raise the facing plate parts 25 above the plane of the roller table, so that the items falling out of the matrix 6 are caught by these plates. Then, using the hydraulic drive piston 5, the table 3 is retracted back to its original position and when the faceted shank 8 leaves the 9 pc hollow shaft, the face 18 is released, as a result of which the shaft 16 moves backward under the action of load 19 and at the same time reports reverse movement to gears 10, 11 , 12, 14, 16, 20 and 22 camps. Thus, the matrix 6 occupies a working position, and the facing plates 25 are lowered into the plane of the roller table, freeing the atom from the path to the roller table.

Pream patent.

Claims (3)

1. Rolling mill for the manufacture of shaped metal parts, with the work roll attached and the nodvig table located there, carrying the matrix to give the product an appropriate shape, characterized in that for the purpose of automatically ejecting the product 27 after it leaves the work roll 2, the matrix About laid in the table d with the possibility of rotation on the shaft 7. 2. In the rolling mill of, and 1, for the automatic rotation of the roll of the matrix 6 of the shaft 9, released from the sphere, the shaft 9, coupled with the shaft 7 and receiving rotation by acting on the table 3 at a certain moment. 3. In a rolling mill according to claim 1, in order to avoid blows of the roller table outlets from the matrix, the mechanism for lowering the tiled plates of the latter under the working plane of the rollers consisting of the shaft 22 with eccentrics 23 and the struts 24, which shaft 22 receives the pivotal movement of the impact of the table 3 on the transmission mechanism synchronously with the rotation of the matrix 6. K3. 1 -S S Ks4k sSis: 3,% .. i S, .S. : Tshg -1ka | ipJ: -: 1ЧЩ |} | 5 а ki t .-- GGVZhGZH; 1 Mr. in Hi 11 I HI Sr h; vJ S | I: -, - 4sr-5 i -, f r - / - T T - - - -Vx, - - „f; f fi -, (.-S 4Ai i - 7i / -.,