US2964827A - Sping beaming - Google Patents

Description

G. T. LlNDSTROM ETAL 2,964,827

SPIN BEAMING' Dec. 20, 1960 8 Sheets-Sheet 1 Filed June 4, 1956 INVENTORS GUST/1F I LINDSTROM DANIEL R MACHURRAY ATTORNEY 8 SheetsSheet 2 G. T. LINDSTROM ETAL SPIN BEAMING Dec. 20,1960

Filed June 4, 1956 INVENTORS GUSTAF T. LINDSTROM DANIEL P. MACMURRAY ATTORNEY Dec. 20,1960 G. T. LINDSTROM ET AL 2,954,827

' SPIN BEAMING Filed June 4, 195a a Sheets-Sheet 3 INVENTORS GUSTAF T. ll/VDSIPOM DANIEL P. HAO MURRAY BY JGW ATTORNEY Dec. 20, 1960 G. 1-. LINDSTROM ETAL 2,964,827

SPIN BEAMING Filed June 4, 1956 8 SheetsSheet 4 PO INVENTORS GUSTAF MIA/08730 DANIEL R MAC MURRAY BY MJW ATTORNEY Dec. 20, 1960 G. T. LINDSTROM ETAL 2,964,827

SPIN BEAMING 8 Sheets-Sheet 5 Filed June 4, 1956 mw M w U I F .M s w DANIEL R MAC MURRAY ATTORNEY Dec. 20, 1960 G. T. LINDSTROM ETAL 2,964,827

SPIN BEAMING 8 Sheets-Sheet 6 Filed June 4, 1956 INVENTORS GUSTAF T. LINDSTRON DANIEL P. NACMURRAY ATTORNEY Dec. 20, 19 0 G. TbLlNDSTROM ETAL SP\IN BEAMING 8 Sheets-Sheet 7 Filed June 4, 1956 INVENTORS GUS TAF T. u/vwmm DANIEL P. HAO MURRAY M z W ATTORNEY Dec. 20, 1960 v G -r. LINDSTROM YETAL SPIN BEAMING 8 Sheets-Sheet 8 Filed June 4, 1956 INVENTORS G US TA F T. [/IVDJ'TE'? DANIEL P. MAC MURRAY ATTORNEY United States Patent SPIN BEAMING Gustaf T. Lindstrom and Daniel P. MacMurray, Wilmington, Del., assignors to E. I. du Pont de Nemours and Company, Wilmington, Del., a corporation of Delaware Filed June 4, 1956, Ser. No. 589,195

8 Claims. (til. 28-32) This invention relates to the beaming of yarn and, more particularly, to a method and apparatus for the continuous beaming of textile yarn.

At present, certain steps in the manufacture of textile yarn are of a semi-continuous nature. For example, textile yarn is conventionally spun and wound on pirns. These pirns are then mounted on beaming creels from which the ends of yarn-are wound onto beams'by means of a beaming machine. The production rate of yarn is limited by such factors as repairing broken ends, replenishing exhausted pirns on the creel, removing filled beams and replacing them with empty spools.

This invention has as an object the provision of a method and apparatus for the continuous beaming of textile yarn. A further object is to provide means which will permit full beams to be replaced with empty beams without interrupting the continuous yarn movement. A still further object is to prevent yarn tension from rising above a critical level during the continuous beaming operation.

In general, the objects of the present invention are accomplished by applying a pair of adhesive tapes coincidentally and transversely onto opposite faces of a Warp of yarn ends travelling from a source of supply, such as, for example, the extrusion device of a continuous yarn spinning machine toward beam windup; severing the ends folloing the taped location to divide the warp into a leading portion, whose individual ends are held in fixed lateral relationship to one another by the taping, and a following portion; completing windup of the leading portion onto a first beam and beginning windup of the following portion onto a second beam without interruption in the warp movement from the source of supply. This invention comprehends doing this by means of apparatus comprising taping means in the form of a pair of rolls mounted with the roll axes transversely disposed with respect to a continuously moving warp of yarn ends and movable into contact with opposite faces of the warp, each roll being adapted to carry an adhesive tape into contact 'with the travelling warp; severing means including a knife mounted for reciprocation transverse to the warp and adapted :to separate it into a leading and following Warp; and windup means, including a plurality of yarn receiving beams, a beam-carrying reel adapted to support the beams in a plurality of beaming positions, and a blower adapted to direct severed yarn ends onto an empty beam.

Referring to the drawings illustrating a preferred embodiment of the apparatus of this invention:

Fig. 1 is a side elevational view of the complete apparatus of this invention,

Fig. 2 is a top 'plan view of the windup component of the apparatusof Fig. 1,

Fig. 3 is a partial vertical section taken along line 3-3 ofFig. 2,

Fig. 4 is an enlarged view of a portion of Fig. 1 showing the windup component in greater detail and showing alternate positions for certain parts of that component,

Fig. 5 is an end elevational view of the windup component looking in the direction of arrow 5 of Fig. 1,

Fig. 6 is a vertical section taken in the plane indicated by the lines 66 of Fig. 1,

Fig. 7 is a partial enlarged end elevational view of the taping component of Fig. 1, some portions being broken away, other portions being shown in section,

Fig. 8 is an enlarged side elevational view of a portion of the taping component,

Fig. 9 is a plan section taken along line 9-9 of Fig. 8,

Fig. 10 is a top plan view of the warp-severing mechamsrn,

Fig. 11 is a front elevational view of ing mechanism,

'Fig. 12 is an enlarged portion of Fig. 8 showing certain sectional details.

Referring to Fig. 1, there is shown at the right continuous windup apparatus and at the left taping appar-atus. Looking first at the windup apparatus (see also Figs. '2 and 5), spaced supports 15, 16 are mounted on base 17. Journalled in split pillow-blocks 18, 19 is shaft 20 to which is affixed reel 21. This reel provides rotatable support for beaming spools 22, 23 and consists of spaced arms 24, 25, the arms having rotatably supported in bearings at their extremities beam-supporting chucks 26, 27, 28, 29. Chuck 26 is provided with hinged portion 30 (Fig. 2) which permits insertion and removal ofbeaming spool shaft 31. In like manner chucks 27, 28, 29' are adapted to permit insertion and removal of beaming spool shafts. Driven sprocket 34 is keyed to shaft 35 of chuck 26 and is operatively connected to driving sprocket 37 by drive chain 39. Sprocket 37 is keyed to the drive shaft of motor 41 which is mounted on arm 25. Similarly driven sprocket 33 is keyed to the shaft of chuck 27 and connected by means of chain 38 to driving sprocket 36, which is in turn keyed to the drive shaft of motor 40. Motor 40 is mounted on arm 23:5.

Referring now to Figs. 2 and 3, motor 42, supported by bracket 43 provides means for rotating reel 21, and acts through speed-reducer 44, keyed pinion 45 and bull gear 46, which is afiixed to shaft 20. A retractable indexing pin 47 is mouned on support 16 perpendicular to the plane surface of bull gear 46. Solenoid 48 is arranged in relation to pin 47, so as to exert force upon the pin opposite to that exerted by biasing spring 49, which is positioned coaxially with the pin. Bull gear 46 is provided with registration holes 47 for alignment with pin 47.

The integral shaft portions of chucks 28, 29 are centrally bored and threaded so as to accept threaded push bolts 50, 51 on which are journalled locking- clamps 52, 53. Rotatable collar 54 is journalled on shaft 20 between fixed flanges 8, 9. Integral with collar 54 is beam-adjusting gage 55.

As shown in Figs. 1 and 4, presser-roll 56 and reciprocable knife 57 are disposed in operating relationship with the above described beaming machine by means of carriage 58. The carriage is supported by a combination of elements which includes vertical hollow posts 59, 60 (see Fig. 5), the posts being supported by base 17. The posts pass through vertical bores in supporting- knees 61, 62 of carriage 58 thereby serving as guides for the carriage. A cross brace 63 extends horizontally between knees 61, 62 and is integral therewith. Roller-chain 64 is aifixed to carriage 58 by pad 66. The chain is trained over sprocket-wheel 67, under roller 68, over roller 70, around sprocket-wheel 69 and afiixed to cross-bar 71 of piston-rod 72. In like manner roller chain 65 connects knee 61 and cross-bar 71. Air-cylinder 73 is mounted on base 17 and provides support for piston-rod 72.

Referring to Fig. 6, presser-roll 56 is rotatably supthe warp-severported between knees 61, 62 of carriage 58 by means of Patented Dec. 20, 1960 3 brackets 74, 75, bearings 76, 77 and shaft 78, whose axis is parallel to those of reel 21 and beaming spools 22, 23 (see Fig. As best shown in Fig. 4, reciprocable knife 57 is mounted at the free end of arm 79, pivotally supported by rod 80. Piston-rod 81 is connected to arm 79 by means of rod 82 and contained with its integral piston within double-acting air cylinder 83. Cylinder 83 is mounted on cross brace 63. Air-supply valve 84 and micro-switch 85 are mounted on the horizontal shelf portion 86 of supporting-knee 62. Lever arm 87 is pivotally mounted on rod 80. A carriage hold-down catch is supported by bracket 11 and pivoted on rod 12, the force of biasing spring 13 being opposed by that of solenoid 14a.

Synchronous motor 88 (see Figs. 1, 4, 5, 6) provides the driving means for presser-roll 56 acting through a series of transmission elements consisting mainly of sprocket 89, chain 90, sprocket 91, shaft 92, pinion 93, gear 94 and shaft 78.

Motor 95 (see Figs. 10, 11) provides the driving means for reciprocable knife 57, acting through cam 96, coupling rod 97 and bracket 98. Blower 99 is mounted on arm 79 (see Fig. 4) and supplied with fluid through connector 100.

Looking now at the taping component of Fig. 1, (see also Figs. 7, 8, 9, 12), vertical support 106 is mounted rigidly on base member 107. Plate 108 is provided with guide elements 109, 110, which serve as guides for movable roll-supporting brackets 111, 112. Roll 113 (see Figs. 7 and 8) is supported in bearings 114 and 115 of bracket 112 by means of shaft 116. This shaft is provided with a radially and axially bored passageway 117. The cylindrical surface of roll 113 is provided with a series of openings 118. Otherwise the roll is fluid tight.

Roll 121 is similarly supported in bearings 122 and 123 of bracket 111, and is provided with a like series of openings in its cylindrical surface. Shaft 124 is constructed with a bored passageway similar to passageway 117. Roll-supporting brackets 111, 112 are inter-connected by means of a chain and sprocket drive comprising chains 125, 125', upper sprocket-gear 126 and lower sprocket-gear 127, both sprocket-gears being mounted for rotation on support 106. Chain 125 is trained around sprocket 126 and its extremities anchored to brackets 111, 112. Chain 125' functions similarly, being trained around sprocket 127. Roll- shafts 116, 124 extend through openings in support 106 and terminate in revolving vacuum joints 130, 131. Pinions 132, 133 are keyed to shafts 116, 124 and located within the body of support 106. Helical gear 134 is arranged vertically within the body of support 106 and supported in bearings 135, 136. This gear constitutes the driving element for pinions 132, 133. Keyed to the upper end of shaft 137 of spiral gear 134 is bevel gear 138.

Shaft 139 is arranged normal to the axis of shaft 137 and is supported in bearings 140, 141. Keyed to shaft 139 are bevel gear 142 and sprocket pinion 143. Bevel gears 142 and 138 form a co-operating pair. Coupling 144 divides shaft 139 into a driven portion and a driving portion, the driving portion constituting the drive shaft of synchronous motor 145.

Gear reduction unit 146 is mounted on support 106 and comprises the unit itself, input shaft 147 and output shaft 148. Keyed to shaft 147 is sprocket gear 149. Barrel cam 150 is keyed to output shaft 148 and is contained wholly within the body of support 106. Chain 151 is trained around sprocket pinion 143 and sprocket gear 149. Cam-follower 152 is socketed in cam-pressure-relief-bar 153. Bar 153 is pivotally mounted on lug 154 and supported by compression spring 155. Threaded stud 156 interconnects bracket 112, spring 155 and cam-pressure-relief-bar 153, adjustment being maintained by lock- nuts 128, 129. Adjustable stop 165 is threaded into the internally threaded projection 166. Limit switch 167 is mounted on support 106.

Also mounted on support 106 are warp-feed-rolls 157, 158 (see Fig. l). Synchronous motor 159 constitutes driving means for these rolls. Reference character 160 represents a warp comb, the principal element thereof being reed 161. A warp-counter-roll 162 is rotatably supported by bracket 163 and is driven by synchronous motor 164.

Now describing the operation of the above apparatus, as shown in Fig. 1, warp 14, proceeding from a continuous source of supply, passes over feed-roll 157, under feed-roll 158, obliquely downward and through the teeth of reed 161, between the cylindrical surfaces of counter-rotating rolls 113, 121, under counter-roll 162, obliquely upward and between the counter-rotating surfaces of presser-roll 56 and the core of beaming spool 22 to windup on rotating beam 23. The warp is severed by reciprocable knife 57 when beam 23 has reached its full warp load. Rotation of this beam is stopped by suitable braking. The hinged portion 30 (shown in Fig. 2) of chuck 26 and the corresponding hinged portion of chuck 28 are swung open and beam 23 removed. An empty beam is now placed into the position of beam 23, proper adjustment being obtained by means of beam adjusting gage 55.

Simultaneous with the above severance of the warp, a new winding is commenced on empty beam 22.

In effecting this, blower 99 directs a fluid, such as air or a water spray, against the severed yarn ends thereby forcing them against the rotating core of beam 22, which has been accelerated to a linear speed equal to that of the moving warp where the ends adhere sulficiently so as to start a proper winding without interruption in the continuous yarn movement to windup.

As the windup of beam 22 proceeds, a level warp winding is maintained in the following manner. Injection of air into cylinder 73 forces piston-rod 72 out of the cylinder thereby exerting an upward force on carriage 58, which in turn supports presser-roll 56 in contact with the warp winding on beam 22.

The increasing winding on beam 22 forces presserroll 56 and the integral carriage 58 vertically downward. When the windup of beam 22 has neared completion, preset counter roll 162 automatically energizes motor 42, thereby bringing about a counter-clockwise rotation of reel 21. This rotation continues until beams 22, 23 have interchanged their relative positions. The proper positioning of reel 21 is accomplished by means of solenoid-actuated indexing pin 47 and positioning holes 47 in the surface of bull gear 46. As the full beam is moved from the position occupied by beam 22, presserroll 56 and carriage 58 are moved further downward until the carriage is engaged by hold-down-catch 10 (as shown by the phantom position of Fig. 4).

Motor of the tape applying device is now energized, thereby accelerating rolls 113, 121 to the speed of the travelling warp. Concurrent with the acceleration of rolls 113, 121, gear reduction unit 146 effects the rotation of barrel cam 150, thereby causing follower 152 to force bracket 112 downward. This movement of bracket 112 causes rolls 113, 121, which have been manually loaded with adhesive tapes, to approach the travelling warp sheet and apply the tapes coincidentally to opposite faces of the warp, in this manner securing the individual yarn ends in their parallel and coplanar relationships. The rolls are loaded with the tapes between dofling periods and are held in contact with the roll surfaces by the partial vacuum created by placing the tapes over the openings in the rolls. Proper alignment of the tapes during the loading operation insures that they will be adhered to the warp coincidentally and the tapes will be in opposed relationship. Motor 145 is stopped upon the return of bracket 112 by means of limit switch 167. Solenoid 14a is now automatically; actuated, thereby releasing catch 10 and allowing presser-roll .56 to return to a position of contactwith the travelling warp as it passes partially around the new empty spool of beam 22. As the presser-roll 56 approaches this position, double-acting air cylinder 83 is automatically actuated causing reciprocable knife 57 to be swung toward the moving warp sheet. As knife 57 moves toward the warp, lever arm 87, pivoting on rod 80, closes microswitch 85, thereby actuating reciprocable knife 57 and opens air valve 84 so that the fluid is forced from blower 99. Following the severance, double-acting air cylinder 83 is operated so as to withdraw knife 57 to an inactive position. This completes one cycle of operation, which cycle is repeated as the windup of each beam nears completion. The individual components which comprise the apparatus of this invention may be actuated by suitable automatic controls.

In order to prevent interruption of the continuous beaming process of this invention, provision is made for preventing individual yarn tension from rising above a critical level. This is done by synchronizing the surface speed of those elements of the apparatus of the invention which contact the warp with the linear speed of the yarn as it is produced. In a prefered embodiment of the invention motors 159, 145, 164 and 88 are of the A.C. synchronous type and are supplied with motive power from a common A.C. electric generator, the generator being driven from an output shaft of the motor which drives the continuous source of yarn supply. In this man ner the surface speed of the following warp contacting elements is related to the linear rate of warp production: feed- rolls 157, 158; rolls 113, 121; counter-roll 162 and presser-roll 56. In this same preferred embodiment, motors 40 and 41 are of the DC. variable speed drive type and their speed can therefore be controlled according to the torque created by the level of yarn winding on beams 22 and 23. Such control may be achieved by means of equipment sold by the Westinghouse Electric Corporation under the trade-name Rototrol.

As many apparently widely ditferent embodiments of this invention may be made Without departing from the spirit and scope thereof, it is to be understood that this invention is not limited to the specific embodiments thereof except as defined in the appended claims.

What is claimed is:

l. The method of continuously beaming yarn, which comprises applying a pair of adhesive tapes coincidentally and transversely in opposed relationsh p onto opposite faces of a warp of yarns travelling continuously from a source of supply toward beam windup, severing the yarns following the taped location to divide the warp into a leading portion, whose individual yarn ends are held in fixed lateral relationship to one another by the taping, and a following portion, and thereafter completing windup of the leading portion onto a first beam and beginning windup of the following portion onto a second beam without interruption in the warp movement from the supply source.

2. Apparatus for continuously beaming yarn, comprlsing taping means in the form of a pair of rolls mounted with the roll axes transversely disposed with respect to a continuously moving warp of yarn ends and movable into tangential contact with opposite faces of the warp at about the same point in the warp, each roll being adapted to carry an adhesive tape into contact with the travelling warp, severing means including a knife mounted for reciprocation transverse to the warp and adapted to sepa rate it into leading and following portions, and windup means, including a plurality of yarn receiving beams, a beam-carrying reel adapted to support the beams in a plurality of beaming positions, and a blower adapted to direct severed yarn ends onto an empty beam.

3. The apparatus of claim 2 in which the taping means comprises a support, roll supporting brackets movable vertically thereon, a pair of rolls rotatably supported by the brackets having vacuum means incorporated therewith so as to produce a suction-support area on the cylindrical surface of the rolls, and common roll-pair positive driving means having connected thereto cooperating means for varying the distance between the rolls to maintain a predetermined spatial relationship to each other.

4. The apparatus of claim 2 in which the severing means comprises spaced hollow columns; a carriage guided by and slidable along the columns; an arm fulcrumed on the carriage; a knife mounted on the arm for reciprocation transverse to the warp, the knife being moved into and out of cutting relationship with the warp by movement of the arm.

5. The apparatus of claim 2 in which the wind-up means comprises spaced supports, a beam-carrying reel rotatably supported by the supports, a plurality of yarnreceiving beams supported by the reel, means for positioning the reel, and a blower adapted to direct severed yarn ends onto an empty beam.

6. In apparatus for the continuous beaming of yarn, the combination of taping means, including a support, roll supporting brackets movable vertically thereon, a pair of rolls rotatably mounted on the brackets having vacuum means incorporated therewith so as to produce a suction-support area on the cylindrical surface of the rolls, and common roll-pair driving means having connected thereto cooperating means for varying the distance between the rolls; and severing means including spaced hollow columns; a carriage guided by and slidable along the columns; an arm fulcrumed on the carriage; a knife mounted on the arm for reciprocation transverse to a warp of yarns, the knife being moved into and out of cutting relationship with the warp by movement of the arm.

7. In apparatus for the continuous beaming of yarn, the combination of severing means including spaced hollow columns, a carriage guided by and slidable along the columns, an arm fulcrumed on the carriage, a knife mounted on the arm for reciprocation transverse to a warp of yarns, the knife being moved into and out of cutting relationship with the warp by movement of the arm; and windup means including spaced supports, a beam-carrying reel rotatably supported by the supports, a plurality of yarn-receiving beams supported by the reel, means for positioning the reel, and a blower adapted to direct fluid onto the warp of yarns adjacent to said knife and means actuated by movement of said arm for releasing fluid from the blower as the knife is moved into cutting relationship to force severed yarn ends onto an empty beam.

8. In apparatus for continuously beaming yarn, the combination of: a tape applying device including a vertical support provided with vertical guide elements, a pair of brackets sustained by the support and movable along the guide elements, a pair of suction rolls rotatably supported by the brackets, the roll axes being disposed transversely with respect to a warp of yarns moving continuously from a source of supply toward beam windup, common roll driving means and cam means co-acting therewith for varying the distance between the rolls of the pair; a severing device including vertical supporting columns, a carriage movable on the columns, an arm swingably mounted on the carriage, a serrated knife mounted on the arm for reciprocation transverse to the warp, means adapted to move the arm so as to bring the knife alternately into and out of cutting relationship with the warp sheet; and a continuous windup device including spaced supports, a beam-carrying reel supported totatably between the supports, a pair of yarn-receiving beams supported by the reel, automatic means for positioning the reel so as to effect an interchange in the positions of the beams, and a blower mounted on the arm of the severing device, the stream axis of the blower being positioned so as to direct severed yarn ends onto an empty beam.

References Cited in the file of this patent UNITED STATES PATENTS 8 Roby et a1. Sept. 10, 1940 Corbin et a1. Sept. 25, 1945 Kienit Aug. 25, 1953 Pomper et al. Nov. 6, 1956 Herele et a1 Nov. 27, 1956 Bauer Mar. 26, 1957 FOREIGN PATENTS France.- Mar. 30, 1929

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