DE41C - Universal rolling mill for wire and iron of various profiles - Google Patents

Description

1877-

CONSTANT ROY in WITTEN a..d. Dysentery. Universal rolling mill for wire and fine iron of various profiles.

Patented in the German Empire from June 25, 1877.

The universal roller consists of 8 pairs of rollers a \ α ² , α ³ , α ^Λ , α ⁵ , β ⁶ , α ¹ , a ^s , which are mounted in two stands and two series A and B. The rollers are to be regulated by conical screws and are moved by cogwheels and comb rollers which give each pair the required speed.

The work in these different pairs of rollers is done in the following way:

You take one to about 16 mm. square pre-rolled billet and put it in the same heat through an ordinary guide in a ¹ , where it is pressed into an oval shape. In order to bring this oval from a ¹ to ² , it first passes a guide b, which gives it a 90 ° turn, and then passes through guide c, which rests on the same horizontal supports some distance from b, and at the entrance is extended in order to take the piece safely into the pair of rollers a ² , where it is pressed again into a smaller square corresponding to the given pressure.

To transfer a ² ma ³ , where the square is again printed in an oval, the piece describes a semicircle, guided by the correspondingly hollowed-out guides d and e. e is also extended at the entrance in such a way that this operation can be carried out with all certainty.

In the event that a piece wants to take a shorter path than the prescribed semicircle, it receives a further guide f, which is attached below the guide d and receives it in this direction.

These guide rests on the lower roller of the Paaresa ² g by means of two rings, and ^ ^- ', which umschliefsen the lower roller of β ² adjacent to the pins, connected h through a mutually screwed bar and movable according to Bedürfnifs. Then the guide f has to fulfill a second function; In the case where the elongation ratio of the rod in the calibres of the roller pairs a ² and a ^{3 is} not absolutely precisely maintained and as a result the roller pair a ³ pulls the piece faster than it exits from a- , the guide / rotates by friction and rotation of the lower roller, entrained by a ² , until between the two rollers a ² and a ³ and remains in this position until the piece has passed all the way through a ³ ; then, supported by a counterweight, it resumes its previous position and its function as a guide (Figs. 6 and 7).

The following passes happen in the same way for α *, α ⁵ , a °, α ⁷ , a ^B and are only a repetition of the processes from a 'to a ² and a ² to a ³ with the same guides in similar oval and square calibers . The calibers of the pair of rollers a ^s are round, square, turned flat, according to the required dimensions of the finished product.

The main and new points of this system are the following three:

1. The general arrangement of the stand rollers , Comb wheels and bearings, which despite the combined 16 rollers allowed everything to be regulated and placed entirely at will. There is enough space between two guides each, around, in the event that a piece of a guide does not hit correctly (which can only happen due to the rolling master's inattention), the To prevent breakage of any part which, without this free space, under all circumstances should be done.

2. The guide b, which gives the ovals a 90 ° rotation, and which allows the vertical rolls to be avoided. The ovals ', / have to be rolled onto a high edge' // '·''-' in every square caliber. € #

3. The guides d, e and /, by virtue of which one is able to arrange only two pairs of rollers one behind the other, and thus allow them to be regulated at will and independently of the others.

Patent claims:

1. The arrangement of 8 pairs of rollers in two Stands.

2. The correct transmission ratio of the comb wheels, which in connection with the other systems determine the length ratios of the rod.

3. The guide b of the drawing.

4. The guides d, e and / of the drawing.

l / j

For this purpose I sheet drawings.