US1247980A - Winding-machine. - Google Patents

Description

J. O. MCKEAN.

WINDING MACHINE. APPLICATION HLED FEB. 2, 191a.

Patented. Nov; 2?, 191?.

4 SHEETS-SHEET I Lmmw 1. 0. IVIcKEAN. WINDING MACHINE. APPLICATION FILED FEB. 2. I916- Pat-ented Nov. 27, 1917.

4 SHEETS-SHEET Z- 71 /22 0 J7 ea/zg J. O. McKEAN.

WINDING MACHINE.

APPLICATION FILED FEB. 2. 1916.

Patented Nov. 27, 191 7.

4 SHEETS-SHEET 4.

lUNllTE @TATESA an onnion.

JOHNO. MOKEAN, OF WESTFIELD, MASSACHUSETTS, ASSIGNOR T FOSTER MACHINE COMPANY, OF WESTFIELD, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS.

WINDING-MACHINE.

Specification of Letters Patent.

Patented Nov. 2'7, 191?.

Application filed February 2, 1916. Serial No. 75,802.

tain novel mechanisms for performing spe cific functions.

In the drawings:

Figure 1 is a front view in elevation of a winding machine embodying my improvements;

Fig. 1 is a detail, in section, and onan enlarged scale of the tension mechanism shown at the bottom of Fig. 1;

Fig. 2 is an end View in elevation showing the end of the machine to the left in Fig. 1;

Fig. 3 is a detail, in plan of a portion of the tension mechanism, taken on line 33 of Fig. 2', looking in the direction of the arrows;

Fig. 4 is an elevation of the opposite end of the machinefrom that shown in Fig. 2;

Fig.2'5 is a sectional elevation showing a part of"th'e '"frame and thecam and casing and the arbor and its associated parts;

Fig. 6 is a plan view of the spindle and its bearing and the seat upon which it is secured, the dotted lines indicating the center about which it is shifted to its various positions. 1

My improved cop winding wachine, as herein shown and described, is constructed and arranged to produce a cop of the well known open, self-binding wind. The thread is wound upon a quill of card-board or the like; this quill is slipped endwise onto a spindle 1 and the leading end of the thread as is fastened theretoI When the machine is started the spindle and quill rotate together and the thread 00, directed by the reciprocating. thread guide 2, is wound onto the quill to build up the cop. The thread guide and the-spindle are so connected that the thread guide reciprocates rapidly along the face of and provis on is made to adjust the speed relation of the two parts so that each succeeding spiral of thread,'in a given directlon will be laid alongside the previously laid spiral in the same direction and will blnd down all spirals laid in the opposite direction. All this is old and well known,

constituting what is known as the Fiji wind and need not be elaborated.

The spindle 1 is journaled in a bearing 3 and carries a fast, slightly conical, pulley 4 and a loose pulley 5 with both of which a main driving belt 6 cooperates, said belt being driven from any suitable source of power.

v The thread guide eye 2 is mounted on a tang 7 rigidly connected to and carried by a tubular carriage 8 slidably mounted upon a thread guide rail 9. The rail 9 is fastened at its ends to arms 10 forming part of a housing 11 formed with hubs 12 and 13 rotatably supported by a fixed arbor 14. Within the housing 11 the arbor 14: has, loosely mounted thereon, a sleeve 15 .to which is fastened a cam 16 carrying a hub gear 17,

said sleeve being heldagainst endwise move-' ment on the arbor by the hub 13 and a collar' 18 that is fastened to the' arbor by a screw 19. The arbor 14 is supported by an upright frame 20 made with a hollow hub 21 within which one end of said arbor is fixed so that it cannot rotate, by means of a screw 22 (Fig. 4). The cam 16 is made with a groove 23 into which projects a stud 24 depending from the lower side of thread guide carriage 8, said stud carrying an anti-friction roll 25.

The gear 17 is driven by a pinion 26 fast to one end of a shaft 27 which also carries a slightly conical pulley 28 connected by a belt 29 with the pulley 4, the small end of each of said pulleys being opposed to the large end of the other pulley. The belt 29 is engaged by a belt-guiding yoke 30 which is slidably mounted upon a stud 31 projecting from the frame 20. This guide 30. is made with an ear formed with a tapped hole through which a screw 32 extends, said screw being rotatably mounted in a bearing provided on the frame 20 and provided with a handle 33 by means ofwhich it may be rotated to shift guide 30 on the stud 31 to exactly adjust belt 29 according to the exact speed relation desired between cam 16 and spindle 1. That is, by adjusting the guide along the stud 31 by means of screw 32 the speed of rotation of cam 16 with relation to the speed of rotation of spindle 1 may be increased or diminished to cause the thread guide 2 to lay the convolutions on the cop side by side, so that the cop, although formed of open spirals may be solid.

The shaft 27 is rotatably supported at one end of an arm 34 whose other end is made with two hubs 35 and 36, the former being split and clamped to the hub 21 of frame 20 by means'of a screw 37 (Fig. 4). A collar 38 is arranged between the two hubs 35 and 36 and fastened to .the hub 21 by a screw 22 and serves to hold arm 34 against sidewise displacement while being adjusted.

At its outer free end the arbor 14 is made with an angular Vertical hole 38, within which is slidably mounted a pawl 39 consisting of a bar of: metal provided for convenience with a handle 40, the lower end of the pawl 39 cobperating with a stop 41 provided on the -housing 11. The pawl 39 and stop 41 are arranged and constructed so as to permit the housing 11 to rotate freely in a direction to permit the thread guide, which,

' is carried by the housing, to shift away from spindle 1, but to immediately check and prevent any movement of the houslng 11 in the opposite direction. In other words the pawl I 39 and stop 41 provide a clutch which normally prevents any rotary movement of the housing in one dlrection and at the same time leaves it entirely free to swing in the opposite direction.

One side of the cylindrical portion of housing 11 consists of a separable section or cover 42 fastened-to the main portion by a screw 43 and on this cover 42 is secured, by means of a screw 44 an angularly adjustable counterbalance weight 45 consisting of a block of metal formed with a slot-46 through which the screw 44 extends. This weight 45 together with the weight of the cover 42 and those portions of the housing 11 at one side of the arbor 14, slightly overbalances the weight of the portions of the housing 11 and associated parts, at the opposite side of the-arbor and of the parts carried thereby, with the result that the thread guide is yieldingly urged toward the spindle, but it is to be borne in mind that the clutch 3941 normally prevents movement. of the thread guide in that direction so that during the winding operation there is practically no continued pressure of the thread guide against the growing cop. This is due to the automatic take up action of the clutch 3941 together with the fact that whenever the growing and rapidly rotating cop comes into contact with the thread guide the minute irregularities of the cop cause the thread guide to be kicked away fromv the cop slightly, whereupon it is caught and cop again touches the thread guide and the thread guide is again kicked back slightly and caught. It will thus be seen that the thread guide only engages the growing cop intermittently and each time is soon thrown out of contact therewith by the slightest irregularity in the cop. This results inv more width as the thickness of the tang so that the latter is guided and supported and held against vibration or chattering. The cam 16, rapidly reciprocates the thread guide 2 lengthwise of the spindle 1 and at each end of its stroke the direction of movement of said thread guide is abruptly reversed so that if the thread guide and its carriage included any considerable mass of metal in their construction the shock of this abrupt reversal of movement would be injurious. For this reason I make the thread guide and tang from light and thin metal and the carriage 8 from a light, thin piece of tubing so that said parts acquire a correspondingly small held by the clutch 3941 until the growing amount of momentum during their movements. Owing to the lightness of the construction of the thread guide I find it desirable to provide a thread guide supporting rail 50 provided at its ends with legs 51 ports the thread guide eye against any pressure against the cop and pull of the thread or yarn during the winding operation.

The housing 11 is made, upon its under side, with a lug 52 carrying an adjustable secured to the casting 47. This rail sup-' stop screw 53 which cotiperates with the rear side of a lug 54 'cast on the frame 20 to limit the swinging movement of housing 11 in one direction. In order to limit the swinging movement ofthe housing in the opposlte direction said housing is made with a lug 55 cooperating with the opposite side of lug 54.

wise movement. From the disks,'the thread passes under a drop wire 59 and upwardly over rail 50 to the thread guide eye and cop.

Slidably mounted upon the spindle 56 is a sleeve 60 which is exteriorly threaded to receive upon it an adjustable nut 61 between which and disk 58 is arranged a spiral spring 62 which yieldingly presses against a loose sleeve 62 which in turn abuts upon the disk 58 and presses it against the thread or yarn as it passes around spindle 56 and between the disks 57 and 58, the initial pressure of the spring62 against disk 58', and

therefore the initlal tension on the yarn or thread being determined by the adjusted position of the nut 61 on sleeve 60 and the consequent spring pressure. During the opera- 1 tion of building a cop, thecop, of course, grows'in diameter, with the result that the yarn or thread is drawn from the supply at a contlnually increasing rate ofspeed which increases the tensionon the thread or yarn in exact proportion to the increase inspeed.

and in order to counteract this and maintain the proper tension, I have herein provided for automatically relaxing the tension producing device or devices as the speed of movement of the thread or yarn increases during the growth of the cop. To accomplish this the sleeve60 is made at one end with an arm 63 pivotally connected with a small sleeve 64 slidably mounted upon a cam bar 65. This cam bar 65 is pivoted at 66 to a slide 67 and its opposite end extends loosely through a square sleeve 68 resting upon the top of slide 67. Sleeve 68 is pivotally connected to a square nut 69 mounted upon a screw 70 rotatably supported at its ends by slide 67 and held against endwise movement thereon by a collar 71 and thumb piece 72.

At its forward end the slide 67 rests upon an arm 73 forming 'part of the frame of the machine while the rear end-of said slide is supported by the lug 55 to which it is pivotally connected by a screw 74. Thus it will be clear that the slide 67 is shifted bodily on arm 73 whenever the housing is swung on arbor 14 and that the direction of this sliding movement of said slide is crosswise of the axls of spindle 56. By means of the screw 70 the cam bar is set in a diagonal position relatively to the spindle 56 so that amount which it is distorted from its nor-' -mal spiral. This property is taken advantage of in the ordinary spring balance scales, in which the graduated plate indicating the weight is equally spaced and the spring correspondingly distorted by the weight. I take advantage of this by employing a straight cam bar which when set at the proper angle, for every inch of radial growth of a cop and consequent increased speed of the thread, will exactly compensate by permitting the spring to correspondingly expand and thus decrease the tensional drag on the thread in exact proportion-to the increase caused by the increase in speed. I have shown adjusting means to vary the angle of the straight cam bar, since it is not always desired'to keep the tension uniform, but it may be desired to gradually increase or decrease the tension as the cop builds.

I have shown in the drawings and in detail in Fig. 1 the preferred form of tension member, in which one member (57) is supported and secured upon the spindle by a yoke 57 and has an axial perforation 57 while the other member (58) has a hub 58 which passes through the perforation leaving anannular space. The object ofthis is to provide a wearing surface to protect the spindle from the cutting effect of the rap- .idly moving thread and a free outlet for the lint, etc., which is constantly being stripped from the thread by its engagement with the tension disks. The tension device above described is not claimed in this application, but will form the subject of a divisional application.

I have also provided a stop motion, which automatically stops the machine in case of breakage of the thread during the winding process. The drop wire 59 is pivoted at 75 to the arm 73 and its hub portion is formed with a cam 76 coiiperating with a roll 77 provided upon one arm of a lever 78 piv-- oted at 7 9 to the frame of the machine' The other arm of lever 78 carries a pin 80 normally in engagement with a pin 81 carried by an arm 82 fast on a rock shaft 83. This rock shaft 83 has fixed to it another arm 84 that is pivotally connected with one end of alink 85 whose opposite end is pivotally connected with a belt shipper 86. The belt shipper 86 which is provided with a yoke 87 straddling the belt 6 is pivoted at 88 to an arm 89 cast integral with bearing 3 and has connected to it one end of a spring 90 whose opposite end is connected with said arm. The spring 90 tends constantly to shift belt shipper 86 into position to place the belt 6 on loose pulley 5 but is normally prevented from doing so by the engagement of pins 80 and 81.

When the yarn 'or thread that is being wound onto the cop breaks the drop wire 59, being no longer supported thereby, falls, and its cam 76 acts to swing lever 78 in a direction to disengage the pin 80 from the pin 81 whereupon the spring 90 shifts belt shipper 86 toward the right (Fig. 1), shifting the belt 6 onto the loose pulley 5 and stopping the machine. In order to provide for manually starting the machine and re setting the break stop motion mechanism, the rock shaft 83 is provided with a handle 91.

' Herein I have also provided means for automatically stopping the machine when the cop that is being made reaches a predetermined size. This means comprises a screw 92 rotatably mounted on slide 67 and held against endwise movement thereon by collars 93 and 94 and provided with a nut 95 adjustably mounted on said screw. By rotating the nut 95 it may be set so that when the cop-reaches the desired size said nut engages the lever 78 and thereby disengages the pins 80 and 81 so as to stop the machine.

Cops of the kind that my improved Ina-- chine is designed to make are produced either cylindrical or conical in form andherein 1 have provided for producing copsof either form. To this end the frame 20 is made with a seat 96 upon its upper surface for the bearing3, said seat being made with a series of tapped screw holes 97 and 98,-and the bearing 3 is made with cars 99 which are fastened to the seat 96 by screws 100 engaging the proper screw holes. When the bearing 3 is fastened in place on the seat 96 by inserting the Screws in the holes 97 as shown in the drawings, the axis of the spindle 1 is parallel with the path of movement of thread guide 2 and a cylindrical cop will be produced. When it is desired to produce a conical cop the screws 100 are removed from holes 97 and transferred to one or the other of thethree sets ofholes 98 according to the degree of conicity desired, it being clear that the holes 98 are positioned so that when used to fasten bearing 3 to seat 96 the axis of the spindle 1 will be oblique with relation to the path of movement of the thread guide. Several sets of holes 98 are provided so that cops of about a center 00 and the link 85 is connected shifter and the belt shifter functions prop erly without any necessity for adjustment or attention in whatever position the spindle bearing may be.

The operation is as follows: The thread to be wound having been threaded through the tension disks, 57, 58, under the drop wire 59 and over the guidesupport 50 to the thread guide eye and secured to the quill,

the machine is started by lifting the handle 91, thus, through arm 84 and link 85, shifting the belt shipper 87 to shift the driving belt from the loose pulley 5 to the outer edge of the cone pulley 4. This movement is against the effort of spring 90 which constantly tends to shift the ClI'iViIlo; belt to the loose pulley. The lifting of handle 91 also moves arm 82 and causes the engagement of pins 80, 81 (Fig. 1). This engageable nut 95, mounted upon'a' slide or carriage 67. The growth of the cop gradually shifts the housing 11 and draws the carriage inward until the nut 95 engages arm 78 and lifts it, thus disengaging the pins 80,

This shifting is also automati- 81, and permitting spring 90 to operate the shift and thus stop the machine. Slight irregularities in the cop or the most recently laid coils, as the cop Irotates, continually strike the thread guide and force it backward. If this efiect were continuous and uncontrolled the result would be that the thread guide and its supports would be continuously vibrated and the thread guide would necessarily require to be strongly built to withstand such usage, while the continual strike and repulse action would be damaging to the cop. This is prevented by the pawl 39' cooperating with a stop 41. The pawl 39 is shown as operating by gravity and, as the stop 41 is shifted by the cop, through the thread guide' 2 carried by the housing 11 to which the stop 41 is secured, the pawl instantly drops and continually .maintains its engagementwith the stop and securely locks the parts against any return swing. The positioning of the spindle land its bearing 3 for cylindrical or conical cops ,does not disturb in any way the connection by which the hreak-and-size-stop' motionsare made effective to shift the driving belt,

the connection being universally jointed and so positioned 1n the machine with reference to the point about which the spindle is moved to its various positions, that practically no derangement of the parts occurs and no adjustment is necessary.

I claim In a Winding machine, an arbor supporting a cam and a swinging thread guide; that cam and thread guide; a cop-carrying spindle; an engaging member supported by the arbor; a stop connected to the swinging 10 thread guide and moving in unison therewith, all organized to cause the engaging Signed by me at Boston, Massachusetts, 15

this 18th day of J anuarv, 1916.

JOHN O. MGKEAN.

' Witnesses: JOSEPH T. BRENNAN, MARY A. NYHA

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