US1322904A - Continuous-wire-drawing machine. - Google Patents

Description

C. D. JOHNSON AND F. W. LODDING.

CONTINUOUS WIRE DRAWING MACHINE.

APPLICATION FILED l1196.16. |918.

Patent-ed Nov. 25, 1919.

2 SHEETS-SHEET l.

t l l l C. D. JOHNSON ANDQF. W. LODDING.-

K CONTINUOUS WIRE DRAWING MACHINE.

APPLICATION FILED AUGJG.. 1918.

1,322,904. Patented Nov. 25, 1919.

2 SHEETS-SHEET 2.

`useful Continuous-Wire-Drawii STATES PATENT FFCE.

' CHARLES D. Jonusoivnnn FREDERICK w. LODDING, 0E WORCESTER, MASSACHUSETTS.

CONTINUOUS-WIRE-DRAWING MACHINE.

nseaeor.,

Specication of Letters Patent.

Application led August 16, 1918. Y Serial No. 250,228.

To all whom t may concern.'

Be it known that we, CHARLES D. JOHN- son, a citizen of the United lStates, and FREDERICK W. LODDING, a subject of the King of Norway, both residing at Worcester, in the county of Worcester andJ State of Massachusetts, have invented a new and Machine, of which the following is a speci cation.

This invention relates to a wire drawing machine of the continuous type, and the principal objects thereof are to so arrange the parts of the machine as to concentrate them into a smaller space than has been possible heretofore; to provide a construction in which the wire can be drawn through a part only of the dies whendesired, in a most convenient manner without necessitating any changes Lin themachine or in its speed of operation, and'at the saine time permitting of the throwing out of gear of the parts of the machine not required without in any way interfering'with the reduction of the diameter of the wire; and to provide for changing'the speed of the winding drum in a simple manner without interfering with the rest of the machine.

Reference is lto be had to theV accompanying drawings in which- Figure 1 is a plan of a preferred embodiment of this invention;

Fig. 2 is a front elevation;

Fig. 3 is a sectional view on the line 3 3 of Fig. 2 showing the driving mechanism in plan, and

Fig. 4 is a sectional view on the line li-e `of Fig. l.

As ordinarily constructed wire ldrawing machines of the continuous type comprise a series of dies arranged in alinement and a series of forwarding rolls or cylinders around which the wire passes arranged one between each two dies as is'A well understood. A machine of this kind takes `up considerable room on account of its length, and by our new arrangement we succeed in reducing the length very materially and increase the width only to a comparatively slight degree. It may be said that for a machine of the particular size shown the length is reduced to a third and the width only about doubled thus materially economizing in space. On the old type of machines also when all the dies are to be used no special difficulty is encountered7 but when only a part of them are to be used the wire has to i tering of the wire as it passes through the f dies. According to our invention this chattering is substantially eliminated andthe wire is passed through the dies in a smooth, uniform and accurate condition by providing a fine easily regulatable adjustment for the speed of the winding drum without altering the speed of the forwarding rolls.

Referring now to the drawings it will be .seen that the machineis shown as comprising a cast metal base 10 on which is a cast iron tank 11 in which are. located dies 12 and 13, the numeral 12 indicating the series of dies around the tank for receiving the wire from and passing it to the several forwarding rolls, and the numeral 13 the finishing die which Vin the normal machine is always located in the same place, but in this machine may be placed at any desired point in the tank around the center thereof.

We have shown the machine as driven from tight and loose pulleys 14 on a driving shaft 15. This shaft is provided with three bevel gears 16 operating three bevelgears 17 on the bottoms of three shafts 18. The shaft l5 is also Vshown as provided with a spur Y gear 19 which drives a series of spur gears r20, all shown as of equal pitch diameter. Two of these spur gears 20 drive parallel shafts`21and 22. The Shaft 22 drives three upright shafts 18 by the same'means as the shaft 15, and the shaft 21 drives two of them, so that there are altogether eight of these upright shafts 18.

Each of these shafts carries a forwarding roll 25 at the top located in the tank. the shafts passing up through babbitted bearings 26 in the bottom of the tank. It will be understood from consideration of the sizes of therbevel gears that the various shafts 18 run at different speeds. The first drum #l is the slowest one, and the others Nos. 2, 3, 4, 5, 6, 7 and 8 are speeded up to higher Patented Nov. 25, 1919.,

speeds in the necessary proportion as is the V.case with the usual continuous drawing mills. .But in this case there is a central Yshaft 30 mounted in'bearings on a frame 3l whichv is part 4of the main frame` l() and also in a babbitted bearing in the bottom of the tank 11.v AThis carries a winding drum 32 rotating on an elevated center 33 of the tank.

This winding drum is ofthe usual chi'iracter7V and need not be described in detail but` it constitutes a center about which the forwarding drums are located -in the form Y shown. The essential point however is that they are not located in alinement witheach other or with the winding drum but .are at nearly equal distances Y from the Winding drum and grouped aroundl it. As shown they form the sides of a hollow square.

The shaft at the .bottom is provided with4 aspring Bton the bottom of the frame 31 pressing on a disk 35 which is keyed to the shaft. On the shaft 21 is a driving friction disk 3 6 slidingly keyed to it and provided with means not shown for sliding it along the' shaft. The spring 341 holds the disk down in contact with it. It will be seen therefore that the speed of the shaft can be regulated within fine limits and in avery simple manner.-

The location of the several forwarding drums 1, 2, 3, 4 5, 6, 7 and 8 around the i the wire through a die. 40

Awinding drum 32 is an important feature of this invention. 'When invordina'ry'oper- Y'ation the wire is to Vbe drawn through Vnine dies 12 and'l'allthe rollsare employed and the wire passes from the reel 39. to the roll No. 1 through a die 12 andtlien in turn around all the rolls, each of which draws From the roll 8 lthe wire. passes to theY winding drum V32.

We have shown the wire,however, passing from the roll6 directly to the winding drum through the finishing die 13 in order to illustrate how easy it isto drop fout two of the dies and forwardingV rolls without interfering with the operation of the Ina- V 'chine in'anyway. It is to be understood,

of course, that the finishing die 13 isplaced around the drum in any Ydesired position to permit of securing Jthis result. The construction by which this is provided for con# sists simply ina series of slots 4Q in Va sta:

aixed ourV signatures.

ftionarypartof'the tank inany one of which the die 13 can be fastened by a bolt.

Although we have illustrated and described only a single form of the invention We are aware of the fact vthat many 4*modi- .fications y'can be made therein by any person skilled in the art without departing from the scope of the invention as expressed in the claims. lTherefore-we do not ywish to be limited to allthe details of construction herein shown and described, but what we do claim is Y 1 .Y 1. In. awire drawing machine,{the comforwarding` rolls','all of the sameV Vsize,' and dies arranged on different. sides of the winding drum inthe form of a square withthree rolls on each side, a finishing die adapted to be placed between the winding drum and different ones lof the forwarding rolls, gear` ing positively connecting said rolls' together to vrotate at different speeds, means for driv-V ing the winding drum from said gearing,

. bination with a winding drum, ofa set of and means Afor minutely varying the speedVV l' of the winding drum independently of theV speed ofthe forwarding rolls.v v v 2. In a wirefdrawing machine, the combination with a winding drum, Vof a set of 'forwarding rolls all of the same size,V and diesk all arranged near the winding drum,

and means `wherebya finishing die can be placed between the Vwinding drum` and .any

one of the forwarding rolls, so that the .wire may be passed fromany of the rolls directly to the winding drum and finished without interfering with the other rolls or changing the way of entering the chine. Y Y 1 3. In a wire drawingmachine, the combination with a winding drum, of a` set ofv the speed of the winding drum'.

wire: into the ma- In testimony whereof we haverv hereunto .Y

CHARLES D. JoHNsoN. i'

FREDERICK w. LoDDiNG.-

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