US1765779A - Sheet-winding machine - Google Patents

Description

June- 24, 1930. TQNELLI SHEET WINDING MACHINE 5 Sheets-Sheet 1 Filed Aug. 8, 1928 I fizajeieki June 24, 1930. E. TONELLI 1 3 3 SHEET WINDING MACHINE '-Fi1ed Aug. 8, 1928 :5 Sheets-Sheet 2 1 15 a I I Y 1 7 f fra /5672302 z/u'z 727w;

Patented" June 24,1930 1 I a 'GHUSETTS j Thepri 'nary objector this inventien is-to provide, in a machine? o'f th'e type in'which'a supplementary slicker -and--;pas t 'er, thereby ensuring the proper; 'seelur'ernent toeach "other of thelayers of thejb'lank; which' fform the cone. 7 t

1 "Anotherfobject of this invention is to pro- Vide means for arresting momentarily the cone {arming movement of the: blank at the time t'h'e paste isapplied thereto. 'Afurther object of this "inventionfisto' provide means I forjrenioving" the; completely. formed Cone from the Inandrel which means'inclnde two factors, one for" loosening the cone on the mandrel and the fotherffoif 1 withdrawing the I loosened cone; 1

e. Other objects oftheinvention reside in'the 2 'struetureand details of the various elements T are'olo'taine'd; as will 'be apparent to; one skilled j through which the results above "mentioned in "the art uponi a'nexamination ofutheg i01 lowing specification and 016* the-drawings which forth a'partan d in'which' Fig l'is a plan viewof one type'ofmachine embodying this invention,"- the parts being shown in the position? which :they occupy beforethe blank isfed t themandrel; i Fig; 2 is a side elevation" o'fa mandrel -illiistrating'partioi larly the Ineans for removing thec'om'p'let'ed Gone from thein'ti'andrel siic'hmeansbein g shownin'ifiilljlines prepared toiiinetion andi'ndbt'ted linesfafterf the re moving operation has been'initiatedi'. I

Fig. is an "en-larg edfll felevation, illus-' particularlythe inandrehslicker and 7 ensuring'the formation of a cone,*the interior ofwhich is entirely si nooth and in which their gripper in the inoperative: position ;i

' t Fee-4', e ma -7ared m i viewsil uetiat}a ing the positions that tlie};various parts 00- cupy; prior to and diir-in "Fig. 8 is a plan' viewer IIi'andrel"illi1stratmg the relation 'of'thelpastertofthemandrel plied to thejhlarik tidnf fi led uguste, 1928'. sm rt; 298,276

to. the feeding of'a blank; a v Fig. 10. is a View similar to Fig. 9 with the blank partially wound onthe mandrel and the pasting mechanism preparingito apply paste to theblank; and- V Fig. 1 1' isa'n' enlarged planview of 'thefl 7 cone removing factor; I Theformationofa'cone b w ndin a suit ably shaped blank in layers upo'n 'a mandrel is v 7 an old and well known pra'etice but oneof r the great 'diifi culties which is experienced in Y .coRroRA'rIo or' vnwj 35311 15310341 MAssTAoH ns'E ris; A; conronArron on; MASSA- rig}; is sad iv tionfer the winding and pasting 'mechanism in the position prior 7 it'soperation is that'of providing means which 1 i will hold the leading or. forward 'end of the blankiin place on the mandrelsothat it will Y: i be preperly covered by-tlie seeondlayer. f diffiiculty is particularly, experienced in the-f formationo-f-eones in which the leading edge '1! V .e feathered inorder to ensure thesmooth in terior construction now required in the man ufa'cture of c'one'sto be used inlnills for windk 7 ing yarns, rayons, silk orotherjmaterials. 'flThe'old' practice'of using a split mandrel and introducing theleading edgegoi' the'bl'ank or portion thereoffinto the; split cannothe' employed where the leading edge of the blank is feathered and theinte'riOrof the Cone must the smooth. ,Orie attempt'hasbeen madef'to v I thele'adinhwed'ge which enters aks'lot'in the I I solve this diifieultyby, providing a tongue on mandrel, such,;tongue being" in the pa t-dim l cone Whichisflatertrimmed oif" Another attempt includes the use of a depression exteridin'g' longitudinally in the surface-of t eme; drel' and the provision of a gripperfwhicli will enter that den'ress n and remain I there-1 V findi ring th'e formatioji of theco'riei 'l 3 The struc't'ure'hereindescribed and claimed overcomes this difiieultyand' avoids the ol} 1 jectionsjto the attempts previously made by entire-"surfacesoff purely pastedvtogether. I

the vari'oiis layers are se The-operation'oflthe machinegemb'odying'f H tliis'invention which has been selected forji'i l l lustr filo'n willbedeseribed briefly with 1 r spect particularly 'to certain novel features" H thereinfi The blank, refe ably:of"se to1 '109'.

1 or defacing the cone. The cone; is 'forrne mounted upon and rotated by a hollow shaft ,I WhiCh is driyenthrough a gear '22 from a suitable source of power; The shaft'21 is,

form in accordance with the usual practice,

-continue V, the rotation with the mandrel.

I held against furtherrotationwith the mm I 'drel after the. first layerhas been formed and r thereafter" acts as a spreaderfor the'paste j and, as a {supplementaryslicker during the r formation ofithel cone, ;When. the conehas f beencompletely formed on the mandrel it' is loosened therefromby one factor and positively removedtherefrom by a second fac-' l Siniulta-neously fwith" the advance of the 7 slicker; a paste brush i contacts with the leadi flng 'nd V of the blank so that the application ,;of'a"'sufficient amount of paste ina line extending theflength of, the cone is ensured.

The paste is applied not only upontheblank Q but also, upon the. gripper, which 'gripperis tor, thus eliminating} any danger of tearing d upon mandrel: 2O

mounted .in bearings carried by a. pairof 7 edestals 23, 24 between which thegear 22 i is mounted. The shaft 21 carries a collar 25,

which-is yieldably'held in contact 'with'the base of the mandrel.by'ajspring 26 which surrounds the shaft, one end of the spring. bearing against theicollar'fz25 and the other. 5 end bearing ,againstjawasher 27, which is preferably securediniposition on the shaft 'by' a set screw 2 8or by 'other suitablefmeans; The collar 25 isnot'driy'en positively by the shaftjbutwhenit is held against tlieQniandrel 2Q by-the spring 26 is frictionally fdriven ix therebyly. I

I. -"The';collar. a, of tongues between whichis piyotallysup'ported ablock the other' end ofthe block Slis afiixed a thin g strip 32 of meta'l whichifunctions*toclarnp e blank {front whichfthe' cone-is formed, and

- 'hence.will be-hereinafter-referredto asthe' f gmpperw. Mounted onthe shaft 21-is acam '33 with which contacts airoller 34:carried bye I :Ine'ans, not she-wanna pro'yidefd for holding '31 extending. parallel to the mandrel 20-. To

against the .niandrelithe leading edge :of the one end of'ithe block Suitable spring Y the ;1- '11 re4;apa11 times in; contact with the cani 33-anclcausingit tofuncti'onin the manher to be fdescribe'dZIater. Figs. 31 and ,8' show the gr1pperf2inits two positions with re-'- spect to the Inarnirelv20, -l ig '3 illustrating the gripper32'in its idle position and Fig 8 illustrating the gripper in its functioning position. A collar 35 fixed onthe inner end of the shaft 21 aset screw 36 secures the shaft 21 in place in the bearings of the pedesjtals 23,245, p 7' q Suitably supportedby standards .40 isa shaft lconstantly rotatedby intermeshing beveled gears 42,43 froin afdrii e shaft llg 1 'whichis' the inain source of power to the rna chine, and which may actuate the gear 22 in any desired manner. This, hoWever,-is not essential. sincefthe gear 22 maybe driven in dependently if preferred; and accordingly no meanslare shown connecting the shaft 4A and the gear 22.. Theshaft 41 and the, mandrel 2Oeach extendover apaste reservoir l5 from 'which paste is supplied to; the blank-formed f on the niandrel 20' in accordance with the means to behereinafter described; I i Below the mandrel 20 is mounted a freely rotatable roller 46 which "is commonly-re. 1

ferred to in the tra defas slicker and will be I so designated, throughout: the specification i-"and claims. Theslicker 46 iseconicalfand 1 functions to hold the blank against the man;

drel 20 during the greater part'of the cone forming operation. T;he;slicker is mounted" 1 to rotate freely on a stub shaft 47, which is carried by abar 4C8 (see Fig.3)

Thebar e8 includes an integral' arm .4;9 which extends along one side of the paste reservoir .andis 7 pivoted upon a Stud 50 suitably inounted'ina support 51. The arm 4c9:-is preferablyprovided with acollar52-and is held'in position on thestud 50 by a washer 53. Positioned upon the shaftl is a cam '54 which controls the position of thearln 49, bar @8 and the slicker '46." A suitable 'spring 5.5 holds the arm 4.9 incontact with the ca1n54$ whichis se- 'cured upon theshaft lby an integral collar '56 and asetscr'ew 57.. f V Pasteisapplied to the blank by means of' a paste brush ,(see..Figs.; 8,j9.-. ancl{10) Which is mounted to rotateaiponj a, shaft 61 drivenfrorh the shaft. 41-by-afsuitable-refl duction' gearing; comprising. a gear 62.. on'i the shaft e1, gears63, 164 on a'jackshaft'fi5 a'nda gear 66 on the shaft 61;; which;nieshes V with'the gear 64.; The shaftfi lgis supported by -apair'of pedestals .67; 68' and'comprisesg V sections 69,70 and 71 connected by universal Q The outer section carrying the 1 paste toward and from the mandrel 2O' -bycam ing from a. rotatably .rnountedblock 76,; the

115 p A W 1 20 5 brush 60 is oscillatediinahorizontal plane 5": i

axis of the bloclr 76 below theY-u nig versaljoint Z2connecting the sections 691 and 70.; A second arm 7 7 {projects frornjtheblock 76 at "right angles m te arrn and; carries a sleeve 78 which embracesgtheshaft -69 perv ncing and: retractingihe; brush with ref.- erence to themanglrelQQ V} Mounted in the pasteireserfvoir adip' per 80 havinga per-forate bottom and carried byan arm. 81 Which is 'pi'votally supported trolled cam 84; on'thesh'aftleliancl'bv, a Spr-in-g '85sothat the rotati ongof. the-shaft upon a stud 82 carried byea-bracket 83' fixjecl to theforwarclpostO, The arm 81-is con- 41' cause the, dipper tolrisei and'fall with referenceto the paste brush 60 The cams 7 3 wag-gee are so jtimecl that'the dipper 80 is raised into contact with the brush-60; at the 7 a scraper fixed on the reservoir (not shown) time shortly before the} brush is advanced into'c'ontact with the blanlgon the m'anclrel ';(see.Fig.;10); flhe'brushBO after .receivingpaste "from the clipper rotatesunder b u eX-eepr at, the leading edge.

M suitablv'factuatecl trips.

;, NVhile thegri [per 32' is normally rotated with? the mandrel QOthI'ough the contact of the-rc ollar R; therewith it is held against V 119- n in two positions v-'a s- .-state'cl' above by he? collar 25 is the firsujtrip which? c0 from Fa-bracket 97" on the forward, post 40 7 so thatf-the arm is causeclito swing ftl achine after the gripper is arrested 5o the:seconditrip'the tipzof the gripper 32 is on a thefpivot stud 96 ]in accordance with the contour of 'the cam 98.1 {Che trips are so formed; that when thief functioning position the ends of thei 'arin sE QO and 95] contact v withf ne of the tonguesBOanfldthus prevent the.v rotation. of theicollar 25With the mandrel held; from the blank on; the mandrel by afingeri l00 pivotally mounted ,onfastucl. 101 s i carrietlliy the, support; 51 so1 that itiwi-ll not a bear upon the blank impedezits trav'el with the mandrel positioh oftthe:finger lQOf cont-rolleclbyia cam :102Zon thshaftl] a collar 105 movablel ngitudinallytofjthe mandrel 20. and aEpair-of grippers1061 The collar 1 05.;is heldlnqn the mandrel by a in 107 which. extends-thr ugh a slot 10s in t ercyli rigal e ot he' m iidre Thep n Extending above At a. suitable period in the operati'on of 07 isearria y a shaft 109 whicheX-tends' through ,thejshaft 21 terminating in a bear:

ing; 110, hich-is p ivotally supported in a I yoke 1'11, and towhi'ch the shaft is 'SeQuIQdY by al nut l12. The yoke l-llisa'partofia pivotally niounteclarm 113 which incluclesa camface 114 held in contactvvitha fcamfilloc ontheshaft 44lby 'a spring: 1l6 which=ene gages the upper; end of the. arm 113z The shaft 109 isithus free to rotate withrtheshaft 21' but advanced at; the proper intervals to loosenthe completed cone onthe' mandreh; 7

118 formed as shown in-Eigal l with overlapping ears 119Ithrough' Which, projects a The'strippe-rs 106qcomprise a pair of plates i pin1-2O carrieolvbya bracket 121 depending from a sleeve 122mounted to- -slicle upon a 7 fixed bar 123, The router end of the stripper" plates 118 are normally separated ."by a" spring 124, the limit of. separation being dek termined howevergby acollar 125" also; car; "riedsbythe bracket 121. The sleevelQLZ'isfm Whichremoves much of the paste from the reciprocatecl bgv an arm 126- Which-isheld shaped'znotch 1300f a stop 131 mounted upon anuprightl32e The notch .forc'esthese' ends of the stripper plates together against the 1actionfofthe spring 124 thus separating the movement of the stripper} 106.-

181f'an cl thus positively limits the outward .The blank is fed to the e V v any suitlable' m eans not shown, a guiding finger 1 141 mounterl 'upon the reservoir i5 b ing. provided to insure the proper location of'theblank "The rotation of themanclrel.

' by; akspringlQZ in contact with a camf128Qo'n the shaft 14:. At the {outer limit oflmovement ofthe stripper 106 (see Fig. l).the :outer end ofvthe stripper plates 71 18, engagea -V- 20 has been startedand whentheblank 140 reaches the mandrel the'gripper 32 is -swung by the cam 33 clamp; the blank against the man'clre l in appreciable, distance, behind; its]; 1 lea in sfll' e r isfafi)- h'e'bh k 0 iS now carried. by the: mandrel untillthe first' v layeriofftheconeis' about onehalfpompletedfy at'which timethe gripper 32 isshelel against 1 311.5 s aiidzthe paste brush applies a roll'of movement the arm 90 of the first'trip"(see pasteup on t'he' portion of theleading'edgeof Q the blank ahead of the gripper and also 'apg plies past'e't'o' the grippr132itself see Fig.1.]

8 The' slicker 146Qis now brought. against the blank and the trip '90'is raised so that. the blank 7 anclr gripper' continue to rotate With -the mandrel; "When the first layer is completed the gripper A 32 is sto'ppejdfby the arm-95;of'thesecond trip and its ,tmter lndv Vmove'd; slightly away; from-,the s'urface of 1 the blankg by the finger "100 to rel'ievefany .plessurefihereonr Theroll ofPaste Onrthe" leading; edge 7 of the blanklenters the pocket the mandrel and the jface ofthe portion of the blank beingfed to the nandreh Since thefendfof-the gripper is forced away from :JWhen f the mandrel by the finger .100. and against the uniied portion of the blanl :,1th'at portion receives from the gripperthe paste supplied to the gripper by the brush 60; The gripper: r32jal'soacts-iwith thejrol-l 46 as a supplemen-r tary slicker to? insure proper Winding of the iblank'in to a cone and the cohesion ofithe varioiis flayer'si Y a T he cone has; been completely fOrIned'on-the mandrelQO the collar 105 is ada ova-need by the cami115 tofbea'r against-the baseof the cone, and loosen it fromthe man- 1 drelj the same "time "the stripper 106 is @broughtl forward; over {the tip oij the cone, ,j; Lintil the plates 118clamp the cones-and is then retractedv drawing the coneofii the man} drel which continues? to rotate. There tractin'g" movement .of the stripper "-106 is 5 checked the 7 stop 131 fand the plates .1178, are opened allowing-the finished coneto 1 drop; a snitable receptacle (not shown) beingprovided to receive "I claim;

11; In jai maohine iforlwxiindijng "blanks into,

cones npon a mandrel, 1 means j for rotating 1 themandrel; means-for"clampi ng ,theblank againstfthe surfaceof the mandrel, means i 1 for. applying paste to the blank and means for ho lding' the blank against rotation With the; 1 mandrel asithei paste applying means 7 operates. f f v r i j Y ;2.'In' amachine for winding blanks into conesupon a mandreljmeansffor rotating Y 53.511133; maehine for windingjblanks in 7 "layers upon a? mandrel, fmean s {for-rotating i fthe mandrel,fag-gripper v-for clamping ,7 the tu er-d ne mandrel, means normally caus ing the gripper to rotatejwith the mandrel 7 Q the" mandrel, means} for clamping; the blank against the surface of the mandrel-, -meansl 7 f lforjapplying paste to the blank,and means byholding the blanka g'ain st rotation 'With for engaging thejclamp'ing means and theree m d leete s apiil n me s and means for preventing such rotation v of the gripper at predetermined intervals.

i [Ailnga machine forfwindingiblanksyin layers upon a mandrel; means for-rotatin'g V fthe'mandrel -a gripper ffor clamping the blank to the mandrel, 'means normally causing'the gripper tofrotate with. the mandrel,

V the gripper aftertheblank h 1y av'onnd intoa'layer? and' 'meanis 'for preventing such rotation of a bee Par 5". a machine {for Winding blanks-"in; o layersipon;ainandrel;fmeans forjrotating h f'm lta p t c ng t a blank to the mandrel, means normally? cause ingithe' gripper to rotate with the .ma'ndrel andmean's "for preventing such rotation of:

blank at such time; Q

. r y t f9. Ina machine for inding blanks intojf lcones upon'amandrel; meansiorrotatingthe f mandrel, a gripper rotatable with the. inan-- H 'drel for clamping the blankito the mandrel, f j. thegripper engagingthe blank anappreciable v distance behind'the leadingredge thereofand"; means forfapplyin'g a'roll ofpas'te to the por-;. tion of the blank betWeenthe-Lleading edge f 1 10. In a machine able distancebehind the leading edge thereo intoa-layer, a a i. 6f Inia machinefor blanks in lay-f ers' upon a mandrel, means for rotating the .Y to the -mandrel, means normally; causingthe i gripper to rotate With the mandrelpmean s for I preventing 'siich rotation oi thegripperafter the firstlayer of theblank has been partially formed' and after such'l ayer hasbeen-com mandrel, a gri'pp'er for clamping the blank pleted; s

the gripper the ,been wound 7, In a machinetori-Windingblanks in lay ers upon a mandrel, means" for'irotatin'g the *inandrel, a gripper for clamping 'theblank to the mandrel, meansnor nally causing the gripper to'rotate with the mandrel, and means Y ior positively removing a portion of the grip},

per from close Contact with the the Winding operation.

i 8. Ina machine rorwinding blanksin l ay ers upon a mandrel, means'for rotating the mandrel; agripper for clamping the blank] V V to the'mandrehnieans normally'icansing the I s J gripper to rotatewith the Inandr'eLfJneans 'fOrpreVenting such rotation of theigripper w after the blank has been formed into a layer andrmeans for positively removing-ap'ortion of the gripper from closeqcontact;withgthe the-gripper cones upon aimandrel, means for; rotatingthef drel for clamping' the'blankto the mandrel', the gripper engagingthe blank an; ap reci:

and means for applying a roll of paste to'the portion of the blank beti veen the leading edge j and the gripper, the roll of paste 'being.ca rriedthereby into the pocketbetween the por- 1 tion 1 of the blank Wound,np'on' the mandrel I and the remainder of the blank.

12. In i'af'machinei for wind'ng I layers upon'amandrel. a single-means iwhich clamli ithe blank to the -miandrel at; the beef j V ginning cram-winding operation; applies,

for itvinding blanks as". f 11 marge l paste to the remainder ofthe blank after the first has been formed 5nd slicksthelayers'fki, 3f the blank as they are formedon the, man? rel. 5 13.111 a ma'ehiiiefor winding bljanks fin layers upon a mandrel, a singlemeansjwhiohj 1' v i V clamps the blank to the mendrelfat thefbev. ginning of th'e windingiopeiation, applies; V paste to the remainderof the blank after thefi, first has been formediand' slicks thejltyersf ofthe' blank as they are fe gned on the man-g; I

sdrel means for i'otatingithe mandrel fandQ I v v 7 means causing the single meanstorotate With Q 7 the, mandre1'.. 1,1 Y f e I 14.111 a maehineffofwindingblanks in I, v layers upon amandrel,"a singlemeansrwhich. "if.

' cla'mpsxthegblank to the mandrel at the beginning: of the Winding oplerationggapplies' I paste to the remainder ofthefblank afterflthei v first'hasb'een formedandslicks the'layers of 1 theblankas they are/formed on the mandrel,

means for rotating the mandre1', meanscans- 'ingthe single meansto rotete withltherimana dreliand means p entingfiat intervals'the operation of the causingmeans. v 15. Ina mach'ne forfwindingpblajnk'sinto; cones upon-e 'inendrel, means for Cbntinu- 7 I ously rotating the-m2tndre1,meansfo s i I in c and. thereby loosening" theffinished oone I uponthe mandrel andmeans'ffb stif-ippingthe cone-fromthe mandrel;

1 16; In a niaehine'for; w nding b1anks-into I oones uponamandfel, means for continuous; s I 7 1y rotating the. mandrelgaTeolla rrotzitable v r vfvith and reeiru'oeable-longitndinitlly ofzthef' '5 1 i. I i n an'drel, means for, reeiprocatingwthe dollar"; v over'the mandrel't'o shift atr'ld thereby 1oosen T r the formed done andmeen's ,for stripping the cone'i'romthemandrela l 1' 40 17. Ina machine for winding blanks'iintof cones upon a mandrehme'ans' for continuous- 1y rotating themand'rel, a collar rotatable j 'With and reciprocable longitudinally of, the. '1 1 mand el fastripper irecipr ooablejlongitudfl? t I 1121411 yfoftheiim lol el, 'and'means for reeipro j I c'at'ingthe collar and the. stripperfto re hove I thefinished cone-from thefmandrel. v

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