Improvements in and relating to winding machines
257,315. Joyce, J.D. April 28, 1925. Winding-machines; spindle-driving arrangements; stop-apparatus, non-automatic; stopmotions.-The drive shaft 1, Fig. 1, of a winding-machine drives a countershaft which is journaled in a casing 1<a>, and carries a cam which actuates rock-shafts 8. Friction-wheels 9 on the shaft 1 drive wheels 10 slidably keyed to shafts 11 which carry cop-spindles 12. An arm 20, Fig. 3, which is rocked by the shaft 8 through a clutch 17, reciprocates a bar 22 which actuates bars 23, 24, the former of which carries a shaper plate 25. A screwed rod 25, Fig. 6, slidably pivoted at one end 82, is pivoted to slide laterally at its other end in a slotted plate 28 on the rod 24. On the rod 25 is mounted a thread guide carrier 90, an arm 87 on which is held in engagement with the shaper plate 26 by a spring to govern the lateral position of the rod 25 about the pivot 82. The carrier 90 is mounted on a sleeve 93, Fig. 6, on the rod, 25. On a disc 95, rotatably mounted on the sleeve 93, is pivoted a carrier 97 in which is journaled a worm 98 spring-held in engagement with the screwed rod 25. A spiral spring 102 wrapped tightly round the worm-spindle 99 and fixed to the carrier 97 prevents rotation of the worm in one direction, so that, when the disc 95 is frictionally rotated by the cop, the worm 98 feeds forward the carrier 90 on the rod 25. To return the carrier 90 to initial position, the worm 98 is raised from the rod 25. In starting a cop, the yarn passes through one of two thread-eyes 14a, 14<b> to the thread-guide 15 on the carrier 70, and then over a pin 16 to the spindle 12. The pin 16 is fixed to a plate 30 which is universally pivoted to a slotted frame-plate 37. The yarn is made to form a bunch at the base of the spindle 12 until the plate 30, which engages the underside of the wound yarn, is depressed sufficiently for a lug 35 thereon to enter the slot in the plate 37 under the influence of a spring 38, so that the pin 16 releases the yarn, which thereupon partakes of the reciprocating and creeping motions of the thread-guide 15 to build up the cop. The threadeye 14a is fixed to a spindle 41, an arm on which carries pins embracing the arm 44, Fig. 3, carrying the eye 14b. On a stud 45, Fig. 3, is slidably journaled a collar which carries the arm 44 and an arm 46, Fig. 3. If the thread breaks, the thread-eye in use falls to rock the arm 46 into position between a collar 47 on the reciprocating rod 24 and an arm 49 fixed to a stud 48. The relative positions of the parts are such that on its next reciprocation the collar 47 forces the arms 46, 49 to the right, so that a collar 50 fixed to the stud 48 passes from under an arm 51 on a spindle 18. An arm 55 on the spindle 18 thereupon disengages the clutch 17 to stop the reciprocation of the rod 25. An arm 69 on the spindle 18 is also lowered to allow an arm 61, Fig. 5, on a stud 60 to be rocked by a spring 52. A hooked arm 64 on the arm 61 thereupon rocks a clutch-member 66 on the shaft 11 against a weight 70, Fig. 1, to allow a brake-drum 62 on the stud 60 to slide the wheel 10 away from the wheel 9, against springs 77, and stop the wheel 10 and the spindle 12. When the cop is fully wound, an arm 75 on the carrier 90 engages an arm 76 on the spindle 41, Fig. 1, to rock the spindle and so stop the rod 25 and the spindle 12. By the action of the shaper plate 26, the cop is built up with conicity at both ends. The spindle 41 may be manually rocked to stop the mechanism. In a modification for building a cop which is cylindrical at the starting end, the members 22, 23, 24, 26, 28 are dispensed with and the rod 25 pivoted direct to the arm 20. Both thread-eye arms may be attached to the spindle 41 to which the arm 46 is also fixed. The clutch 66 and the springs 77 may be replaced by a compression spring, in which case the arm 64 is dispensed with.