US 3270981 A
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Description (OCR text may contain errors)
Sept. 6, 1936 A. a... PERREN ETAL 3,276,981
WIRE UNCOILING APPARATUS Filed Jan. 27, 1964 2 Sheets-Sheet 1 5m INVENTOR. 7 ARCH/E L. PERREN EDMUND f-FA/VK MOKE'RS/(Y BY MITCHELL .1. SHEPARD MM wiw A T TORNE Y5 p 6, 1965 A. 1.. PERREN ETAL 3,270,983
WIRE UNCOILING APPARATUS Filed Jan. 27, 1964 2 Sheets-Sheet 2 IN VENTOR.
ARCH/E L. PERRE/V EDMUND FRANK MOGRSK) MITCHELL J. SHEPARD MM mam A T TORNEYS United States Patent 3,270,981 WIRE UNCOILING APPARATUS Archie Lee Perren, Lemont, Edmund Frank Mokersky,
Chicago, and Mitchell J. Shepard, Hinsdale, Ill., assignors, by mesne assignments, to Rockwell-Standard Corporation, a corporation of Delaware Filed Jan. 27, 1964, Ser. No. 340,339 2 Claims. (Cl. 242-128) The present invention relates to dispensing apparatus and more particularly to wire dispensing and uncoiling apparatus.
In the metal manufacturing industries which use wire for further processing or consumption, it is customary to unwind the wire to be used from a roll placed on a rotatable reel. Due to the inherent tendency of the coiled wire to unwind of its own accord and to the rotation of the coiled Wire with the reel, it often happens that the mechanism jams and tangles, causing an interruption of the wire feed, thereby necessitating stopping of the work operation for which the wire is being used. Frequently the wire becomes entangled, kinked and even knotted when it is uncoiled because the separate convolutions of wire coils are not of uniform diameter. In some instances, abrupt interruptions of the wire feed cause the wire to break or weaken the wire which may break during the subsequent work operation. This causes additional downtime of the machine to which the wire is being fed and usually requires re-threading the machine.
Accordingly, it is a primary object of the present invention to provide improved wire uncoiling apparatus in which the roll of coiled wire is held stationary in a stationary receptacle and is dispensed therefrom in such a way as to prevent the wire from breaking or becoming entangled or kinked.
A further object of the present invention is the provision of an open frame type receptacle having a center post for receiving and locating a roll of coiled wire adapted to feed therefrom without interruption.
Another object of the present invention is to provide a novel wire guiding means for feeding a wire from a wire coil contained within a stationary receptacle in a manner to prevent the wire from becoming entangled.
Still another object resides in the provision of means within a stationary receptacle to prevent a roll of coiled wire placed therein from uncoiling when the wire is fed from the receptacle.
Other objects and novel features of the present invention will become apparent as the description proceeds with reference to the accompanying drawings in which:
FIGURE 1 is a perspective view of the present novel wire dispensing and uncoiling apparatus;
FIGURE 2 is a vertical section through the apparatus along line 22 of FIGURE 1; and
FIGURE 3 is a horizontal section taken along line 3-3 of FIGURE 2.
With reference to the drawings, the receptacle of the present invention includes a flat round base 12 which may be of wood or other light material, An upwardly projecting tubular post 16 is secured to the center of the base by screws 14. symmetrically spaced around the outer edge of the base 12 are three identical pins 18.
Pins 18 on base 12 serve to locate and support the hollow legs 20 of a tubular frame assembly 22. Attached as by welding or other means inwardly of the legs 20 is circular rim 24 of sheet metal resting upon a rip 26 which adds stability to the frame and the rim 24.
The legs 20 of the frame 22 extend upwardly and are then bent inwardly to converge toward each other to meet at the vertical center of the structure above the center post 16. The three horizontal sections of the legs 20 are welded as at 32 to a vertical bushing 30 in axial align- 3,270,981 Patented Sept. 6, 1966 ment with the center post 16. Slidably carried by the bushing 30 is a tube 34 which may be adjusted up or down within the bushing 30 to accommodate wire rolls of different height. The tube is clamped in proper position by a set screw 36.
The upper end of the tube 34 is threaded to receive a cap 38 which in turn receives a removable nipple 40 having an orifice 42. The nipple 40 forms a guide throat through which the wire W may be withdrawn from the receptacle. The nipple 40 may be replaced by other nipples having larger or smaller orifices to accommodate wires of different gauge measurements.
The lower end of the tube 34 is threaded to receive an adapter 44 which carries an antifriction bearing 46. Attached to the inner race of the bearing 46 as by swaging, upsetting, brazing or any other convenient method is a wire guiding tube 50 of relatively small diameter which is bent in a curve downwardly and outwardly towards the outermost coil of the coiled wire roll 28 and then substantially in concentric relation to the rim 24 of the frame 22. The wire guiding tube 50 is preferably of copper or other soft metal to be easily bent into the desired curved shape for easiest uncoiling of the wire from the roll. Copper or other soft metal for the wire guiding tube is furthermore preferred to prevent any scratching of the wire during uncoiling. It will be seen that the wire guiding tube 50 is free to rotate within the frame 22 so that the roll of coiled wire W will remain stationary during unwinding with the wire guiding tube continuously rotating in a direction opposite to that in which the wire is being extracted.
The lower end of the wire guiding tube 50 is provided with a flared out orifice 52 to facilitate threading of the wire into the tube and to eliminate any sharp edges which may scratch or otherwise damage the wire W when being extracted.
A roll of loosely coiled wire W is initially placed on the base 12 when the frame 22 is removed. The frame 22 is then put back on the base 12 by placing the hollow legs over the support pins 18. The rim 24 prevents the wire from uncoiling by itself.
Usually the top of the wire coil is above the rip 26. To extract the wire W from the receptacle 10 the end of the coiled wire roll is threaded through the orifice 52 into the wire guiding tube 50 from which the wire is pushed up through the central tube 34 and out through the nipple 40. When the free end of the wire is pulled the wire is steadily and easily uncoiled from the roll without tangling, jamming or breaking of the wire. The wire guiding tube 50 automatically positions itself by rotation in a circular path around the periphery of the wire coil and towards the uncoiled portion of the wire. Thus, no direct pull is exerted on the wire roll itself and the possibility of the wire becoming entangled or knotted is eliminated. The wire guiding tube, as it rotates, loosens each convolution of wire and lifts it in continuous succession from the remainder of the roll thus greatly facilitating the withdrawal of the wire from the receptacle 10 effectively avoiding snarling or kinking of the wire.
Thus, it will be seen that the present invention provides an effective uncoiling apparatus for coiled wire to eliminate interruption of the withdrawal of the wire due to entangling or knotting of the wire.
Furthermore, because of the stationary receptacle, maintenance is reduced and floor space is minimized because the device can be placed in any convenient location near the place where the wire is being used for further processing.
The device is completely maintenance free since the only moving part, the bearing for the wire guiding tube, may be sealed for life.
The invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiment is therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
What is claimed and desired to be secured by Letters Patent is:
1. Apparatus for feeding a wire from a coil comprising a base on which said coil may rest, a frame structure detachably carried by said base and extending upwardly therefrom, an essentially cylindrical wall carried by said frame structure for confining said wire coil, a hollow tubular support member fixedly supported by said frame structure in axial alignment with said coil, a fixed exit throat member carried by the upper end of said hollow support member, hollow tubular wire guide means, means carried by the lower end of said hollow support member supporting said guide means for rotation coaxially of said coil, said hollow tubular guide means having an internal passage for said wire, said guide means having an inlet portion extending essentially tangentially of said coil, an outlet portion extending axially of said coil, and a smoothly, curved intermediate portion connecting said inlet and outlet portions, said outlet portions communicating with the interior of said support member whereby when said Wire is pulled through said exit throat member, said guide means is caused to move in the direction opposite to the direction in which said wire is coiled and said wire passes through said guide means, thence along the length of said hollow support member and through said fixed exit throat member.
2. The apparatus according to claim 1 wherein said frame structure includes a bushing extending coaxially of said coil and said support member is supported in said bushing for vertical sliding movement, together with means on said bushing for adjustably locking said tubular member against rotation and axial movement in a desired adjusted position.
References Cited by the Examiner UNITED STATES PATENTS 1,312,058 8/1919 Smirle 242128 1,677,167 7/1928 Borgeson 242-128 2,319,828 5/ 1943 Rohweder 242128 2,605,060 7/ 1952 Bell 242128 2,629,566 2/ 1953 King 242128 MERVIN STEIN, Primary Examiner.
L. D. CHRISTIAN, Assistant Examiner.