US1390714A - Wire-drawing machine - Google Patents

Description

H. w. Hansson.

wmf nnAwi'NG MACHINE. APPLICATION FILED JUNE 19, i920,`

1,390,714. PatentedSept. 13, 1921.

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HAROLD WILLIAM Hansson, or woiacns'ran, Massaorrnsnrrs.

WRE-DRAWING MACHINE.

Application iledlune 19,

' ber of drums and then finally wound on a block.

There has been difficulty in the operation of these machines owing to the fact that the friction of the wire in winding, and'espa cially the working of its surface in the wire* drawing dies, increases the temperature of the wire very materially. This can notbe reduced to its original temperature from one drum to the next, although these drums are designed to workin water in some types of machines.

The principal object of this invention is to 'provide eflicient means for cooling the drums individually and efficiently and also the block, so designed that the cooling water will not remain incontact with the part to be cooled for any considerable time after it has taken up the heat therefrom; thus in creasing the efficiency ofthe cooling action.

Further objects and advantages of the 1nvention will appear hereinafter.

Reference is to be had to the accompanyin drawings, in `which-- Tigure 1 is a side view of a part of a continuous wire-drawing machine, showing a preferred embodiment of this invention ap plied thereto; v n

f Fig. 2 is a central sectional enlarged vlew of one of the drums; and I Fig. 3 is a similar view 'of the winding block also having the invention applied thereto. y

Although the invention can be a plied to' other types of wire-drawing machines, itis especially valuable on the continuous type, involving a plurality of die holders 10, provided wlth dies through which. the wire is drawn. The wire is received from each of the dies, excepting the last one, on drawing drums 1Q, around which it passes one or more times and then is delivered to the next die. From the final die the wire passes on a conical winding block or drawing-through drum 13 on which it is wound.

Specification of Letters Patent. Patenti-ed SEINE. 143, 1921( 192e. serial no. 390,149.

The present invention when applied to a machine of this type, involves the making of the drum 12 or the bloclr 13 hollow atthe bottoni with an upstanding internal flange 15 to provide an annular space 16 just hack of the winding circumference of the drum or block to hold some water for cooling purposes. Below the drum is a stationary receiver 17 having a circular flange 18 outside of the bottom of the drum or block as the case may be, which also serves as a guard to keep the wire from running olf the drum.

It ,also has a circularinternal liange 19` eX-` tending up just inside the Harige 15 and preferably substantially to the top thereof, at least. Through the interior of this receiver extends a water pipe 20 which bends up over the tops ofthe two flanges 19 and land delivers water into the annular water renewing space 16. This water, obviously, is located' in the best position for effecting the cooling of the drum as the rotation of the drum-forces it outwardly into a position to take up heat directly from the surface on which the wire is wound. lts other two walls are connected to the wall behind that surface so that the conduction of heat into the water is facilitated all around the drum and all around the annular space. An outlet pipe 22 regulates the normal height of water in the space 16 and discharges into the receiver 17. y

The water is run into the space 16 continuously at such rate as may be necessary in view of the particular character of wire and the amount by which it is being moditied in the dies. It then continuously overfiows through the pipe E22. The wall 15 is located all around the interior so as to prevent overiow inwardly whenthedrurn stops and the water previously held outwardly by centrifugal force flows inwardly. The water may be drained from the receiver 1? in any desired way and I have shown drain perforations 21 for that purpose. The top of the drum is shown as having a hand hole 23 ilnliroigh which the pipe 20 can be manipuate The invention is applied to the bloclr or drawing-through drum 1E in exactly the same way, as shown in Fig. 3, and no further 'explanation of that feature, therefore, is necessary. It is to be noted that the conical wall 25 which receives the wire throughout the greater part of its length is not in contact with the water throughout its whole height but as in the other case, integral metal walls connect the wall on which the wire is wound withv the water receiving"a space andconduct the heat therefrom readily and freely.

No description ofthe operation of the wire-drawing machine" is given as it can be worked in `any of the ordinary ways, but the cooling operation is intended to be continuous so that the heating of the wire will not be cumulative. In this way, theV wire can be drawn through a series of dies and wound continuously with less danger of injury by over-heating than has been the case heretofore and the operation can be carried out more rapidly, thus increasing the product.

1. In a wire drawing machine, the combination with rotary means for receiving wire from a die and drawing it therethrough, of means, constituting part thereof for holding water ina position to be directed against the interior surfaces of said rotary means by centrifugal force as the rotary means rotates.

2. A wire drawing machine having a wire windin means mounted to rotate and to draw t e wire through a die toits 'own surface, said means carrying a water space in its interior just behind the wire receiving surface thereof and adapted to absorb heat therefrom, said space constituting a part of the drum.

3. A continuous wire drawing machine comprising a wire winding drum mounted to rotate and to draw the wire through a die to its own surface and having walls forming a water space in the interior of said drum just behind the wire receiving surface thereof and in position to conduct heat therefrom, and means for introducing water into said water receiving space.

4. A wire drawing machine having a wire winding drum mounted to rotate and to draw the wire through a die to its own surface, said. drum having a water space formed as a part of it in its interior just behind the wire receiving surface thereof, and a stationary receiver below it having a space located in position to receive water overflowing i from the first named spacev and y carry 1t off.

5. In a continuouswire drawing machine, the combination with a rotary drum for receiving wire from a die and drawing it therethrough, said drum having a fiat circular flange extending inwardly from the lbottom of its wire receiving surface and an upwardly extending internal flange at the inner edge of Said fiat flange forming a water holding space in the drum, of means for continuously supplying water to said space.

In testimony whereof I have hereunto affixed my signature.

HAROLD WILLIAM HODGSON.

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