US1604172A - Device for winding cylindrical wire springs - Google Patents

Description

Oct. 26 1926. 1,604,172

E. KLINKMANN DEVICE FOR WINDING CYLINDRICAL WIRE SPRINGS Filed April 16. 1926 Tl Z 2 f m 0 M 2% I i /5 L F" ii M 95H u if I;

m pwwzzm 5 k141 4% Patented Oct. 26, 1926.

UNITED STATES PATENT OFFICE ERNST KLINKMANN, OF COLOGNE-KALK, GERMANY.

DEVICE FOR WINDING CYLINDRICAL WIRE SPRINGS.

Applicationflled April 16, 1926, Serial No.

drel in order to permit of varying the pitch of the windings of the spring to be manufactured.

The invention is illustrated diagrammati cally and by way of example on the accompanying drawing onwhich Figure 1 1s a front view of the improved device, partly in section, Figure 2 a back view, and Figure 3 a side-view. I

On the drawing, a denotes the winding mandrel and b a hook-shaped base body of the winding device, the upper portion of this body being provided with two legs 0 and d located at right angles with respect to each. other. The base body I) is suspended from the winding mandrel a so that said two legs 0 and (1 contact with said mandrel.

At the head f of the base body a feeding device for the wire to be wound into a cylindrical spring is provided, and in a front longitudinal bore of said head is located a bolt h which is shiftable longitudinally. This shifting may be effected by means of a sleeve e having an internal thread engaging an external thread of the bolt h, as well as a knob k which must be turned in order to effect the shifting of the said bolt. A hook i is attached detachably to the head 7 and can assume aplace just in front of a collar of the sleeve e whereby this latter is prevented from movement in longitudinal direction. m denotes a clamping plate which is attached to one end of the bolt h, as well as to a bolt n also located shiftably in the head 7. Upon the ends of the bolts 7:. and n another clamping plate 0 can be shifted freely, and can be pressed against the clamping plate m by means of a nut 1) located upon the threaded end of the bolt n.

The wire to be wound is placed between the clampin plates 0 and m in a manner hereinafter escribed.

On the front side of the head 7 a graduated scale, and at the clamping plate m a hand 1' is provided which latter co-operates with said scale. By turning the knob k.

102,463, and in Germany August 28, 1924.

the plates m and 0 may together be shifted parallel to the mandrel a.

At each side of the leg (1 a hook a is prov ded, the front leg of which is located a little remote from the mandrel a. This distance or gap may be varied b shifting the other leg of said hook in ob on holes after screws t have been unscrewe sufiiciently.

In order to wind cylindrical wire springs by means of the device, this latter 1s suspended with its legs 0 and d from the winding mandrel a in such a manner that the grip u hangs downwardly. In this position of the parts an adjustable abutment member 'v may have been shifted towards and against the mandrel so as to contact with it, but this is not indispensably requisite. The wire be wound is placed between the clamping plates m and 0, and the end of the wire 1s put 1nto a transverse bore w of the mandrel a in order to couple this latter with the wire. Connecting the wire and the mandrel with each other may be effected, however, also in another manner, or by other means, for instance by a catch or driver or the like. The wire is so guided between the plates m and 0 that it passes below the pivot 92 and over the pivot y shown. The nut p s then screwed home so much that the wire is clamped in between the plates m and 0 with a certain friction so that a certain increased frictional resistance must be overcome when the winding proceeds.

In the drawing it is assumed that the hand 7" stands upon the zero point of the scale, the clamping plate m bein situated vertically over the left hand e ge of the le 0 of the base body I). If now the mandre is rotated, the wire is being wound upon and around the latter, its windings being in contact with each other, but without any pressure between them. Every freshly formed winding becomes located in front of the left hand frontal face of the leg 0 so that with the preceding winding the base body I) is being shifted automatically along upon the mandrel, as is, in fact, the entire winding device.

If a spring is to be wound in such a manner that its windings are more or less remote from each other, that is to say, that the spring, is a compression spring, the knob k is so turned thatthe clampin plates m and o areshifted to the. rightgt e hand 1' does the same, and indicates the itch of the windings, or, in other words, t e distance between them. The wire is fed from the clam ing plates m and o to the winding man rel in oblique position to the left, as illustrated in Fi 1. The winding devlce is now being shlfted as much quicker as corresponds to the oblique pos1 t1on of the wire, this latter contacting again with the frontal face of the leg 0,

If the clamping plates are shifted to the left beyond the zero position, a tensile spring will be produced, the windings of which contact with each other not merely loosely but with a certain preliminary tension. The wire is then running to the right (Fig. 1) obliquely from the clamping plates to the winding mandrel. The left hand hook 8 adjustably attached to the leg 0 of the body 6 will be touched by the wire coming from the clamping plates when the latter are shifted to the left beyond the zero position. Thus, the tension of the wire to move the whole device backwards on the mandrel is overcome because the wire will be bent by" the book 8 to a certain degree. NVithout this feature the winding of tensile springs by shifting the clamping plates beyond the zero position would be practically impossible.

With the position of the plates m and 0 as shown in the drawing a left-handed spring will be obtained. The position of the said plates can, however, be so changed that a right-handed spring results. For this purpose the screws 2 are unscrewed, the hook 1' is removed from the bolt h, and this latter is drawn out of the head 7 together with the clamping plates and the other appertaining members, and is then reintroduced into the head f from the right; now also the sleeve (2 is again put upon the bolt 71. and, finally, the hook i is so attached that it retains the sleeve in its new position. The hand 1 affixed to the clamping plate m is now pointing from the right to the left and is again directed towards the graduated scale which has two graduations, an upper one for the direction right hand-left hand, and a lower one for the direction left hand-right hand.

Instead of rotating the winding mandrel, this latter may be stationary and the winding device may be turned around it by means of its grip u, but in this case it is, of course, necessary to shove the member 2; against the mandrel and secure it in this position. Itis in this case also possible to arrange the mandrel vertically, the winding device being then turned in a horizontal plane.

I claim 1. A device for winding cylindrical wiresprings, comprising, in combination, a winding mandrel, and a base body contacting with said mandrel, this latter and said base body being adapted to be turned relatively to one another; an angular mem er. for

ing part of the base body and bein the part contactin with the mandrel, an a guide member %or the wire to be wound, an inclined hook upon each side of the base body for cooperation with the wire to bend the latter under predetermined conditions, said guide member being attached to said angular member and adapted to be adjusted parallel to the said mandrel.

2. A device for winding cylindrical wiresprings, comprising, in combination, a winding mandrel, and a base body contacting with said mandrel, this latter and said base body being adapted to be turned relatively to one another; an angular member forming part of the base body and being the part' contacting with the mandrel, an inclined hook upon each side of the base body for cooperation with the wire to bend the latter under predetermined conditions and a guide member for the wire to be wound, said guide member being attached to said angular member and adapted to be adjusted parallel to the said mandrel, and comprising two clamping plates, one of which is adapted to be pressed against the other, and a shiftable bolt having said other plate secured to it.

3. A device for winding cylindrical wiresprings, comprising, in combination, a wind ing mandrel, and a base body contacting with said mandrel, this latter and said base body being adapted to be turned relatively to one another; an angular member forming part of the base body and being the part contacting with the mandrel, an inclined hook upon each side of the base body'for cooperation with the wire to bend the same under predetermined conditions and aguide member for the wire to be wound, said guide member being attached to said angular member and adapted to be adjusted parallel to the said mandrel and to be shifted also beyond that point, or zero point, at which the wire is so fed into the device that the windings of the spring contact loosely with each other.

4 .A device for winding cylindrical wiresprlngs, comprising, in combination, a winding mandrel, and a base body contacting with said mandrel, this latter and said base body being adapted to be turned relatively to one another; an angular member forming part of the base body and being the part contacting with the mandrel, an inclined hook upon each side of the base body for cooperation with the wire to bend the same under predetermined conditions and a guide member for the wire to be wound, said guide member being attached to said angular member and adapted to be adjusted parallel to the said mandrel and to be shifted alsobeyond that point, or zero point, at which the wire is so fed into the device that the windings of the sprin contact loosely w th each other, the said guide member comprising two clamping plates, one of which is ada ted to be ressed against the other, and a s iftable b0 t having said other plate secured to it.

5. A device for winding cylindrical wiresprings, comprising, in combination, a winding mandrel, and a base body contacting with said mandrel, this latter and said base body being adapted to be turned relatively to one another; an an lar member forming part of the base dy and being the part contactingwith the mandrel, a guide member for the wire to be wound, said guide member being attached to said angular member and adapted to be adjusted arallel to the said mandrel, and hooks attac ed to the said base body and being so adjustable as to be adapted to bend to a certain degree the wire coming from the clamping plates when the latter are shifted beyond the zero position.

6. A device for winding cylindrical wiresprings, comprising, in comblnation, a winding mandrel, and a base body contacting with said mandrel, this latter and said base body being adapted to be turned relatively to one another, an angular member forming part of the base body and being the part contacting with the mandrel, and a guide member for the wire to be wound, said guide member being attached to said angular member and adapted to be adjusted parallel to the said mandrel, and comprising two clamping plates, one of which is adapted to be pressed against the other and a shiftable bolt having said other plate secured to it, that part of the winding device carrying said clamping plates and its appertaining members being adapted to be turned over from one side to the other, for the purpose set forth.

7. A device for winding cylindrical wiresprings, comprising, in combination, a winding mandrel, and a base body contacting with said mandrel, this latter and said base body being adapted to be turned relatively to one another; an an lar member forming part of the base bo y and being the part contacting with the mandrel, an inclined hook upon each side of the base body for coo eration with the wire to bend the same un er predetermined conditions a guide member for the wire to be wound, said guide member being attached to said angular member and ada ted to be adjusted parallel to the said man rel, and a counter support located op site the said angular member, substantial y as set forth.

8. A device for winding cylindrical wiresprings, comprising, in combination, a winding mandrel, and a base body contacting with said mandrel, this latter and said base body being adapted to be turned relatively to one another; an angular member forming part of the base body and being the part contacting with the mandrel, an inclined hook uponeach side of the base body for cooperation with the wire to bend the same under predetermined conditions and a guide member for the wire to be wound, said guide member being attached to said angular member and adapted to be adjusted parallel to the said mandrel, and comprisin two clamping plates, one of which is a apted to be pressed against the other, and a shiftable olt having said other plate secured to it; hooks attached to the said base body and being so adjustable as to be adapted to bend the wire coming from the clamping plates when the latter are shifted beyond the zero position, and a counter support located opposite the said angular member; that part of the winding device carryin said clamping plates and its appertaining members being adapted to be turned over from one side to the other, for the purpose set forth.

In testimony whereof I aflix my signature.

ERNST KLINKMANN.

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