US 3367602 A
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Fb; 6, 1968 0-1-1. v. MORLING 3,367,602 MACHINE FOR WINDING UP WIRES, ROPES, conns, STRANDS AND SIMILAR PRODUCTS ON A COLLECTOR DRUM Filed March 29, 1965 2 Sheets-Sheet. 1
Feb. 6, 1968 c. H. v. MORLING 3,367,602
MACHINE FOR WINDING UP WIRES, ROPES, CORDS, STRANDS AND SIMILAR PRODUCTS ON A COLLECTOR DRUM Filed March 29, 1965 2 Sheets-Sheet 2 iliuuiiln 7N u I! v 74 United States Patent M 3,367,602 MACHINE FOR WINDING UP WIRES, ROPES,
CORDS, STRANDS AND SIMILAR PROD- UCTS ON A COLLECTOR DRUM Claes Hugo Vilhelrn Miirling, Alvsjo, Sweden, assignor to ABH Morlings Mekaniska Verkstad, Alvsjo, Sweden, a corporation of Sweden Filed Mar. 29, 1965, Ser. No. 443,212 Claims priority, application Sweden, Apr. 6, 1964, 4,227/64 8 Claims. (Cl. 242158.1)
ABSTRACT OF THE DISCLOSURE A machine for winding wires, ropes, cords, strands or similar products on a rotating collector drum which includes a wire guide mounted to slide on a support parallel to the axis of rotation of the drum, a slide member mounted in the wire guide to pivot on an axis generally perpendicular to the support and adapted to alternately grip a reciprocal rod which reciprocates parallel to the support in either of two gripping positions, the first permitting the reciprocal rod to move in one direction freely while gripping the rod and moving the wire guide in unison with the rod in the other direction, and the second permitting the rod to move freely in the first-mentioned direction while gripping the rod and moving the wire guide in unison with the rod in the second-mentioned direction, a spring urging the slide member to maintain a selective one of the two gripping positions, a pair of stops on the support defining the limits of movement of the wire guide, a shiftable rod coupled to the spring to shift the slide member to one of its two gripping positions as the shiftable rod strikes one of the stop elements, and a crank and toggle type linkage having an adjustable eccentric coupling the reciprocal rod to the drive mechanism for rotating the drum.
The present invention relates to a device in machines for Winding up wires, ropes, cords, strands or similar products upon a collector drum, generally called a bobbin, said device including a rope guide adapted to carry out a reciprocating movement substantially in parallel to the axis of rotation of the bobbin, the movement of the rope guide being controlled by the rotational movement of the bobbin.
More particularly the invention relates to such a device in which the speed of the rope guide is adjustable in a relation to the speed of the bobbin. Previously known devices of this type exhibit dilferent drawbacks, consisting inter alia in a considerable wear of the different parts thereof hence causing the risk of frequent breakdown or stoppage and high maintenance costs.
The invention has for its object to provide a rope guide device in which the drawbacks of the known devices are eliminated and in which the direction of movement of the rope guide can be made independent of the direction of rotation of the bobbin.
The device according to the invention is primarily characterized in that said rope guide is mounted for axial displacement upon a support member, e.g., in the shape of a tubular shaft, within which there is provided an inner shaft adapted to carry out a reciprocating longitudinal movement in dependence on the rotational movement of the bobbin, a slide member being adapted to grip around the inner shaft and to swing between two stable end positions in which the slide member is forced to move in 3,367,602 Patented Feb. 6, 1968 unison with the inner shaft when the latter is displaced in the one or the other axial direction, respectively, while it slips on the inner shaftwhen the shaft moves in the opposite direction, said slide member being locked against axial movement with respect to the rope guide.
An embodiment of the invention will now be described in greater detail, reference being made to the accompanying drawings on which:
FIGURE 1 shows a perspective view of a device according to the invention,
FIGURE 2 shows a perspective view on an enlarged scale and partly in section of the rope guide with associated means, and
FIGURE 3 is an end View, partially in section, of the slide member and its mounting.
Reference numeral 1 designates a collector drum, generally called bobbin, which is mounted upon a shaft connected to a wheel 2. Said wheel 2 has a circumferential annular friction coating 3 through which the wheel 2 contacts a corresponding friction coating 4 of a driving wheel 5 mounted on a shaft 6, which is driven by a motor (not shown on the drawings). Said shaft 6 is disposed concentrically within a tubular shaft 7, which is supported by a supporting frame (not shown). Reference numeral 8 designates an arm which extends perpendicular to the shaft 7 and is secured thereto at its one end while at its other end it carries a rotatably journalled shaft at the one end of which is mounted a pulley wheel 9. Said pulley wheel 9 is driven by a belt 10 passing through a circumferential groove 11 in the driving wheel 5. At the opposite end of the last-mentioned shaft there is provided an eccentric device 12 comprising a member 13 rigidly secured to said shaft and carrying and adjustably mounted crank pin 14. The shaft upon which pulley wheel 9 is mounted is journalled in a tubular member 15 which is fixed to said arm 8 and carries another arm 16 rigidly connected to said tubular member 15 at its one end, a tubular shaft 17 being clamped with its one end in the opposite end of said arm 16.
The arrangement is such that said tubular shaft 17 extends substantially parallel to the axis of rotation of the bobbin and is disposed radially beyond the bobbin. Said tubular shaft 17 carries a rope guide generally designated 18 and adapted to be displaced along said tubular shaft 17 between two arbitrarily adjustable stop members 19 and 20. At its last-mentioned end arm 16 also carries a further arm 21 which extends opposite to the tubular shaft 17. As will appear most clearly from FIGURE 2, there is provided within the tubular shaft 17 an inner shaft 22 which at the end thereof nearest to said arm 16 is swingably connected to the one end of a link 23, said link 23 being at its opposite end swingably connected, on the one hand to the one end of another link 24 and, on the other to the one end of a link 25 being at its opposite end swingably mounted upon said crank pin 14. The other end of said link 24 is swingably mounted on an axle pin 26 projecting from the free end of said arm 21.
At its end closest to the link 23 the inner shaft 22 is journaled in a bushing member 27 mounted within the tubular shaft 17.
The rope guide 18 comprises two end plates 28 and 29 which are interconnected by means of a spacing tube 30 upon which two ball bearings 31 and 32 are mounted. These two ball bearings carry a tubular member 33 which is rotatable with respect to the body of the rope guide formed by said end plates 28 and 29 and said distance tube 30, said tubular member 33 being adapted to serve as a support for the wire, rope, cord or strand product 46 which passes between two posts 34 and 35 adjustably mounted on a rod 36 secured to the end plate 28 and extending mainly parallel to the tubular shaft 17.
As appears from the drawings, the rope guide includes a slide member 37 comprising a ring-shaped portion surrounding the inner shaft 22 and a shank extending radially from said ring-shaped portion and passing through a longitudinal slot in the tubular shaft 17. Said ring-shaped portion of the slide member 37 has an inner diameter slightly exceeding the outer diameter of the inner shaft 22 whereby the slide member 37 is permitted to swing between two end positions around a pivot pin 38 connected to portion 28a of the end plate 28. In order to secure that the slide member 37 is retained in any of its two end positions it is loaded by a spring 39 generally shaped like a safety-pin, the one leg of said spring extending through an opening 40 in the outer portion of the shank of the slide member 37 and the other leg of said spring passing through a transverse hole 41 in a rod 42 which is mounted axially movable in the depending elongated portions of the two end plates 28 and 29. Said rod 42 is displaceable between two end positions which are defined by suitable abutments, e.g. in the shape of stop pins extending diametrically through the rod 42. At its two outer ends the rod 42 is provided with resilient portions 43 and 44. The rope guide includes also a cover sheet 45 which serves to protect the lower part of the rope guide.
The function of the above described device will now be explained in greater detail.
As appears from the above description, the pulley wheel 9 and the eccentric member 13 connected thereto will rotate with a speed determined by the speed of the bobbin, which means that a change in the speed of the bobbin will cause a change in the speed of the pulley wheel 9 and the eccentric member 13. As a consequence of the rotationary movement of the eccentric member 13 the link 25 will move like a piston rod thereby causing the inner shaft 22 disposed within the tubular shaft 17 to carry out a reciprocating axial movement with a stroke determined by the setting of the eccentric device 12. The eccentric device 12 can be made adjustable by arranging the pin 14 displaceable and lockable in a slot in the eccentric member 13. In this connection it should be noted that due to the provision of links 23, 24 and 25 it is possible to cause the inner shaft 22 to carry out two working strokes for each complete revolution of the eccentric member 13. The reciprocating movement of the inner shaft 22 will in turn cause the rope guide to move successively along the tubular shaft 17 in a direction depending on the angular position of the slide member 37, said position being determined by the position of the rod 42. Due to the action of spring 39 slide member 37 will permit relative displacement of the inner shaft 22 in one longitudinal direction, while when the inner shaft 22 moves in the opposite direction slide member 37 is forced to move in unison therewith due to frictional engagement caused by the spring 39. Since axial relative movement between the slide member and the body of the rope guide is prevented by the pivot pin 38, the rope guide will move in unison with the slide member when the latter is axially displaced due to the reciprocating movement of the inner shaft 22. When the slide member 37 approaches any of the two stop members 19 and 20 the respective resilient portion 43 or 44 is momentarily compressed. The energy thereby accumulated in resilient rod portion 43 or 44 respectively, ensures the required displacement of the rod 42 and hence, of the slide member 37, which is swung from its one end position into its other end position. Thus, the resilient rod portions serve to prevent the slide member 37 from stopping in a neutral intermediate position in which relative displacement of the shaft 22 is permitted in both longitudinal directions.
Although according to the embodiment illustrated on the drawings and described above the slide member comprises a ring-shaped portion having a radially extending shank and the inner shaft 22 has a circular cross-section,
it is obvious that the slide-member as well as the inner shaft 22 can have any other suitable shape provided that the slide member is formed so that the frictional engagement obtained between the slide member and the shaft 22 is sufficient to ensure that the slide member is caused to move in union with the shaft when the latter is displaced in the one longitudinal direction.
The reciprocating longitudinal movement of the inner shaft 22 can also be obtained by other means than the linkage illustrated on the drawings. For instance, it is possible to use hydraulic means controlled by the rotational movement of the bobbin in order to bring the inner shaft to carry out said reciprocating movement.
Further, the spring 39 serving to retain the slide member in any of its two end positions can be replaced by suitable magnetic means.
An advantage of the device according to the invention is that the rope guide can easily be displaced manually on the tubular shaft, for instance for the purpose of adjusting the desired position of the rope guide or in order to move the guide into any of its two end positions.
What is claimed is:
1. In a machine for winding wires, ropes, cords, strands and similar products on a rotatable collector means, the improvement comprising:
(a) an elongated support means fixedly mounted on said machine parallel to the axis of rotation of said collector means and spaced therefrom;
(b) wire guide means slidably mounted on said elongated support for longitudinal displacement there along;
(0) an elongated reciprocal rod slideably mounted on said machine, parallel to said elongated support to move reciprocally with relation to said elongated support;
(d) drive means coupled to said collector means and said rod to concomitantly rotate said collector means and reciprocate said rod longitudinally;
(e) a slide member pivotally mounted in said wire guide to pivot on an axis perpendicular to the axis of said rod and coupled to said rod to alternately grip said rod in a first gripping position and move said wire guide in unison with said rod as said rod moves in one direction and permit said rod to move relative to said wire guide as said rod moves in the opposite direction and grip said rod in a second gripping position and move said wire guide in unison with said rod as said rod moves in said opposite direction and permit said rod to move relative to said one direction, whereby the reciprocating movements of said rod alternately move said wire guide incremental distances along said elongated support from a first point on said support to a second point on said support and moves said wire guide incremental distances along said elongated support from said second point to said first point; and
(f) shifting means coupled to said slide member to shift said slide member from one to the other of said alternate gripping positions as said wire guide reaches said first and second points, respectively, along said elongated support.
2. A machine in accordance with claim 1 wherein a spring means resiilently biases the slide member in its alternate first and second gripping positions.
'3. A matchine in accordance with claim 1 wherein the slide member has an aperture therethrough having an internal diameter slightly greater than the external diameter of the reciprocal rod, said rod being mounted through said aperture.
4. A machine in accordance with claim 1 wherein a pair of stops coupled to the elongated support define the first and second points along said elongated support and the shifting means includes a shifta-ble rod whose free ends engage said stops at said first and second points along said elongated support, respectively.
5. A machine in accordance with claim 4 wherein the stops are mounted on the elongated support and the position of at least one of said stops is adjustable.
6 A machine in accordance with claim 1 wherein the elongated support is tubular in form and the reciprocal rod passes through the interior of said elongated support.
7. A machine in accordance with claim 1 wherein the drive means includes a crank and toggle-type linkage coupling the collector means to a reciprocal rod.
8. A machine in accordance with claim 7 wherein the linkage includes an eccentric means whose eccentricity is adjustable.
6 References Cited UNITED STATES PATENTS 2/ 1905 Wilfley 74-38 3/1920 Wennberg 74-38 X 8/ 1924 Vienneau 242--9 9/ 1934 Swanson et al. 74-38 10/1935 Lerch.
3/1966 Van Der Hock et al. 2429 FOREIGN PATENTS 1/1930 Italy.
STANLEY N. GILREATH, Primary Examiner.