US2385918A - Apparatus for varying the angular relation of driven members - Google Patents

Description

Oct. 2, 1945. R. HEBERLEIN APPARATUS FOR VARYINQ THE ANGULAR RELATION OF DRIVEN MEMBERS Filed June 12, 1943 2 Sheets-Sheet l IIH . k) 7? INVENTORS 1/444; 45$

at ATTORINEYS Oct, 2, 1945.

R. HEBERLEIN 2,385,918

APPARATUS FOR VARYING THE ANGULAR RELATION OF DRIVEN MEMBERS Filed June 12, 1943 2 Sheets-Shet 2 ATTORNEYS Patented Oct. 2, 1945 nun-ED York This invention relates to :apnaratus Ffor Naming therangular relation 'io'f a :driven :member during its rotation. Such :apparatus fisiespecially auseiul for effecting circumferential adjustment of 2110- ;tating bodies, such :ionguample :as ;priintiug cyi1- 6 \inders when ;circumferentialradiiustme1it is sdesir- :ablejn order-to efiectmegistnation.

The present-inventionmas beenesumiully embodied in rtextile zprinting machines rand :suchrem- 'bodiment will the [described way of 10 -FirngsWllich form "ofthis' sae'cifieat" n rid illustration.

Variousforms of:registenadiustmentflmvemen proposed and utilized heretotore :in acnnnection with fabric and :otherprin'ting mch'lnes as well menimamaibywy ti e mb time mamtusherein; fteii 'klesoribedas illustrating totes *e'xftgbi'eferrefd {formflof theiriventi'oni rid th i iwenmm w ill fie mere" iiafticul'aiI-y pointed out n 'fihe'appended'iilaihflsf I" Fufther anlmorespecific-objects; reatu1=esanu "advantages 'cif" esteem-en will more 'ffiillv a pear from the detailed description give'wtmw Ttflke'n lnuonnention wlththeaccompanying "and as in machines for handling wpaperzandtothermeb R i2 a s'efc tionsi xii-aw sh w i ig' urthr-amaterial wherein angular ':adiustmeznt m! $01? .more rotating members :is desirable. Gent-Mn act the prior art appamtus'employ sm'eul'xaninal transmission between :a zdrivetshait sand ia saucer-dancewlth tliepresent inventioni v Referring to thefidrawings an'd more partieularly to lkn impression diliridef i's ie's'fg- 'tn Is *0: runn'ing adjustment reg ster .shaft and effect the angular adjustment eof the mated asfil mm is freely "rotatablyj0i1'rnaled :n

'driven shaft relative to the {driving sha'ttthy ma- :nipulation .Of the transmission. :"It .;is :desiratilze thatsuch mampulationtakeiplacewhile theishatts are rotating (as well-asw=hil'e stationary aint H V t this is referred tomsiarrunning adjustment. alt nmnrereritiallv'sspauedmrintingaolls- 'is desirable that :such munning adjustment the made spossible 'from :the ioperatorsfitatiun ESOHIB- what removed from the .location of the mans- "mission, and hence eleetric mutors'haveibeemutilized for controlling $11611 aadiustment. illmns- 'pfiinting srllsfi are providecl with eutwawiy: ea

missions and actuating electric motors me manveniently carried :by the rotating rshaft eaml tthis has led to icentain tcompli'catirms :and cdimculties inprovldingzsuitable transmission miechanismian-d in s pp g electrical :power to .rrmtor mu '86 :sha'ttfi whichiis coaxisalwdithiimpression oylinder .its operation. A :common means of :such power, by means :of :slip qiings, :is r'dimtlvan- 'tageous since it-requires the use offixed contacts or brushes supported #adj acent :thentormrtlmxfllhii and 'camuesia wentral tgearrwheel flflixedithereto and tin drivin sengagement with ia'sspurdigear .18 which as finely zmtatabl-y .rjournaledzand suitahty restrained zagainst axial movement on archtJHOW 'taining :said :rings and brushes :clean sandziniinti- Smmv-idedwith a spline r91. key-cenn etiim mate contact. 7

An object iof 1the=present .imzentiomtsitommvide improved apparatus for effecting :angular adjustment between a rotatable rmember eaml its driveeqctendingrinto a ,smove, :Such as Allyimed .in the .driven shaft 5 etogpnovide fer;.-eu ial adjust- .ment of .the .sha'ft 5 with respect {to the gear d, .thus pesmittingilateml registrations adiustment of ing means either :at "rest or-idurin aoperatiun. the-troll '3. IIhe "hollow .shaft 8 .may the rigidly Another object of the invention iis its ipmvlde a simplified and dependable tnansmisstomfor:effecting such adjustment.

Another object of the invention .is to @mroazide apparatus for;such:running adiiustmentsin which tran smission"iiesigna'tetl h1 its entirety asflZ, add

the power supply line :may be-directly xmmrented 'to a suitable rmotor :for adjusting :aaid transmis- -sion.

.The invention consists in thernovel afeatutes mi.

said transmission n as-adapt d t' beadiusted, ito' effedt 'ircunffei 'ential register, by mean ffa m'otor; "sueh an =1ectricarmotdr; =desig- F mated iin its mrrtiretylas ll ""il'he' housing o'ff the gGQnStIuQtiOn, arrangement and zumubmatmn m'f mntmilii usml yxrdtatariiyssuppdnted and' is heldw is provided with arr-inwardly extendin' 'sleeve' 35 freely rotatably supported within an induction type 7 motor: having a ;-short-c ircuited v 2 I 7 against rotation by means of a pendulum weight M thereby permitting a permanent and direct attachment of the motor l3to an electrical power line l5 which preferably has interposed in its circuit'a suitable fuse set l6 and a suitable switch 5 (not shownl located at the controlistation is understood that eaoh driverr shaft-' 'of the e3 spective printing rolls is provided with similar trical control switches for the res all situated at the control st'a'; tails of the adjustment mechan more fully described. Referring more particularly;

t .olls

mission housing l1, which-functionsas-a:hollow15- drive shaft, is rigidly secured to the gear 8 as ,by means of bolts, such as l8 The housing A I the gear 8 and the hollow shaft 9 may bezco centrically disposed with respect to the axis pf the shaft 5. For purposes of convenience 'in' as= 2'0 sembly, the housing, 11 is provided with a re; movable-end I9: made;integral' therewith by means of screws, such as 20.1 To theinnenface of the housingendzlll thereois,rigidly secured an internal ring gear 2] concentricwith the shaftrfi g5 and which comprises; the driving gear' of the transmission.v Acomplementam and s ternalring gear 22 isdisposed coagrially ofthje gear! I and provides the drivengear of. the tram:

'mission; and in the present embodiment formed as an integral part of a sleeve 23 whose inner end surrounds the shaf-t 9 vanda -is ri gi dly secured thereto by suitable means,v such; as key s14 -In order to provide a suitable support for the trans.- m n o in I 1, suitable-,hallbearing units, such as a d Nea e is o ed.betw e t acyr lindrical housing wall and the sleeve 23, and the sleeve 23v is preferably- -tapered;-togfacilitateqas sembly fromth'e outer-1end=ofjthe housing A planet gear; 21,. whose-external diameter is 1 smaller :than the internal diameter-of the ring gear 2,l, is in mesh with the ring gear}! and is integrally formed :with! a complementary planet gear 28 in mesh-with an of smaller diameter than the ring gear 22.--1 ;Inthe present embodiy 32- which is rigidly'secured to the"-'sleeve 23;"and V the outer-end 3|is' similarly supported fr'oma 155 disk 33 rigidly secured'toT the housingsend 19. Likewise the='hub" of planet gears 21 28 is freely rotatably journal'ed on the crankshaft eccentric portion 29 by means of suitable ball be The electrical motor-l3 hasahousing" 4- and suitable means is. rovided for securin lrnotor housing 34 against a1 ,displaceni ent'frela tive to the transmission housing" "llhegjaxi s of the motor is thus disposedicoa gially ofthe-shaft 5. The motor .of the present embodiment isan armature, and is provided -witha rotor;36.and-astator 31. which arejilikewise coaxial wit-hithe shaft5. The-shaftof theyrotor 36 is3dirctly.con'-.

2,385,918 g nected to the outerend 3| of th' crank shaft by a suitable coupling 38.

As will be seen from the drawings, the various ball hearings or roller'bearings supporting the ends 30, '3 of; the crank shaft and the inner end of-th gmotor housing are-arranged in tapared relation'ito facilitat eassembly.

In the present embodiment, an electrical motor transmission and adjustment means, and the elecl'zz it of about 50 P s en found S t t y and the ratioof the transmission of the planetary gear 'iabouh110p00 has been found satisfactory. The electrlcal motor is reversible and accordingy-ufmmardandweverse electrical control means anbe employed; 1

'Opemtion Power is transmitted from the shaft 6 through the' garwhee'l' to the driving gear 8 which in -tur'1'i6arr'ies with it the transmission housing I? and,the;transmission driving gear 2|, which in turn rotates the planet gear 21 about its axis 29;

"and the attached planet gear 28 is thus caused to'rotate't'he'driven gear 22 which thereby drives "the shaft '-9 and'the rotatably attached shaft 5, thus'causirig'the printing roll 2 to be driven,

which in turn frictionally drives" the impression roll 'ls; Duringv this operation, there is a rela tive rotation between the driving'gear fl and the driven shaft ion-the one hand, and the housing :34 and'stator 31 or, the electrical'motor on; the other-hand." Lik'ewisealI-ofthe' par-ts of the p an ary gear ltaneously rotate concentrically with th'e housing 11, but only 'as long as the crankshaft end' 32 "of the planetary gear is not driven by themotor 'l 3; j However, when it is desired'to angularly adjust the driven membenthe actuating switch isclosed and as soon as the curcoaxial with the shafts'Q and 5: which causes the planet gears to' revolve about the axis'of the shaft 5"on account 'of the very high transmission of'the 'plentary gear, and they will continue to revolve very slowly and 'on'ly'so'long as the mo- =tor runs; thus causinga relative angular move}- ment between the drivingmemb'er' l1 and the driven member 5: 'Duringrotationofthe rotor,

7-, by. way of the drive member 'or housing 7', in a positive manner; the" shifting of the circumferential position? of one of the *printing' "rollers, =;such':as 2, with respect to the housing H, or the -main;drive -shaft 5, results also in a corresponding shifting of its circumferential position with respect towthe other-printingqrollers, 'i. e,, in"-a V changing of the register or adjustment.

1 This invention is especially suitable for use in fabric printing. "As is well-known, an impression cylinder is oovered 'with. alayer of fabric and, in the embodiment illustrated, is driven by the friction ofthe several printing rollers engaging the 5 periphery of the'covered' impression cylinder surfacefi-Such covering is not always uniformly firm and resilient-and furthermore the thickness of the copper jackets of the printing'eylinder varies. For these reasons it is usual to have the teeth of to.-'permit: desirable adjustment of the printing rollers in: a direction transverse their axes, so

' that the rollers may be brought into "the desired position againstthe impression cylinder I. The

asssgais present invention complies with'these require ments in every'respect inasmuch as all of the parts commencing with the" gear land including the electrical niotor N are carried by ancmcvable with the shaft of the printing roller and are therefore freely shiftable with the printing roller, toward or'aw'ayfrom the impression-cylinder, without inanyway interfering with even the direct power line connection to the motor 1'3.

Having thus described our inventionwith par ticul'arity, with reference to the preferred'embodi ment of the same, and'having referredto certain modifications thereof, it willbeobvious tothose skilled in the art, after-understanding'our invention, that other changes and modifications may be madetherein without departing from the spirit or scope of ourinvontion and we aim in the appended claimsto cover such changes and modifications as are within the scope of the invention.

What we claim is:

1. In apparatus for varying the angular relation of a member during its rotation, the combination of a rotatable member to be driven, rotatable means for driving said member, a transmission drivingly interconnecting said driving means and driven member; said transmission comprising a pair of internal gears concentric with said driven member, one of said gears being rigidly secured to said driving means and the other being rigidly secured to said driven member, planet gear means in respective driven and driving engagement with said driving and driven internal gears and means freely rotatably mounting said planet gear means about an axis of rotation eccentric to said pair of internal gears and rotatably about an axis of revolution concentric with said pair of internal gears; and means for revolving said planet gear means about said concentric axis.

2. In apparatus for varying the angular relation of a member during rotation, the combination of a first rotatable member to be driven, a second rotatable member to drive said first member, transmission means drivingly connecting said first and second members and comprising driving and driven gears coaxial with said first member and an intermediate planet gear in mesh with said driving and driven gears and means for supporting said planet gear freely rotatably about an axis of rotation eccentric and parallel to said;

first member and about an axis of revolution coaxial with said flrst member, and a rotary motor having a stator and a rotor supported coaxially of said first member and relatively rotatable with respect thereto, said rotor being in driving engagement with said planet gear supporting means, whereby upon the operation of said motor said planet gear is revolved about the axis of said first member.

3. In apparatus for varying the angular relation of a member during rotation, the combination of a shaft to be driven, rotatable means for driving said shaft, a first internal gear rotatably fixed to said driving means concentric with said shaft, a second internal gear rotatably fixed to said shaft concentric therewith, a first planet gear eccentric to and in driven engagement with said first internal gear, a second planet gear coaxial with and rotatably fixed to said first planet gear and in drivin engagement with said second internal gear, an electrical motor having a stator and a rotor coaxial with said driven shaft and freely rotatably supported from said rotatable driving means, eccentric drive means in driven engagement with the rotor of said motor and providing an' eccentric axle support on which said planet gears arcfr'celyrot'atably journaled,i.whereby upon rotatioirofi said rotor said planet-"gears nr'e' oaused to-revolve'about thefaxis of said driven sh'aft' to thercby 'efl'ect--relativev angular adjustment' 'of said driven shaftand drivingmeans, and means resisting the torque reaction exerted on said motor stator during therotati'on of said 'rotorto therobyprevent the rotationof said stator.

4*. in appa'ratus' fcr varying -rthe angular relationofi adrive shaft-relative to a. driven shaft curing rotation ofisaid shafts, "the combination of a shaft-to be driven, a' driveshaft, a" drive gear driven from said a drive shaft and freely rotatably journal'edabout said driven shaft, a transmissionhousing rigidlysecured to said drive gear for rotation therewith, 1 'a'first internal gear rotatably cari ied by said housing concentric with saiddriveri sil iaft, a secbndin'tern'algear rotatably carried by said driven shaft concentric therewith and rotatable with respect to said first internal gear, a first planet gear in mesh with said first internal gear, a second planet gear in mesh with said second internal gear and rigidly fixed to said first planet gear for rotation thereplanet gears about a common axis of rotation eccentric to said driven shaft and about a common axis of revolution concentric to said driven shaft, an electric motor having astator freely rotatably supported from said transmission housing concentric with said driven shaft and having a rotor rotatably supported concentric said driven shaft and in driving engagement with said planet gears for revolving the same about the axis of said driven shaft, and weight means suspended from said stator for resisting the torque reaction resulting from the rotation of the rotor when the motor is operated and thereby preventing the rotation of the stator.

5. In apparatus for varying the angular relation of a drive gear relative to a driven shaft during rotation of said shaft, thecombination of a shaft to be driven, a drive gear freely rotatably journaled about and carried by said driven shaft, a transmission housing rigidly secured to said drive gear for rotation therewith, a first internal gear disposed within and fixed to said housing concentric with said driven shaft, a second internal gear rotatably carried by said driven shaft and concentric therewith and rotatable with respect to said first internal gear, a first planet gear in mesh with said first internal gear, a second planet gear in mesh with said second internal gear and rigidly secured to said first planet gear for rotation therewith, a crank shaft freely rotatably mounting said planet gears about a common axis of rotation eccentric to said driven shaft and about a common axis of revolution concentric to said driven shaft, said crank shaft having its opposite ends freely rotatably mounted about its central axis in journals respectively supported by said housing and said shaft, an electric motor having a stator with a housing therefor freely rotatably supported from said transmission housing concentric with said driven shaft and having a rotor rotatably supported concentric said driven shaft and in direct driving engagement with said crank shaft for revolving said planet gears about the axis of said driven shaft, and. means for preventing the rotation of said stator.

6. In apparatus for varying the angular relation of a drive gear relative to a driven shaft during rotation of said shaft, the combination of a shaft to be driven, a drive gear freely rotatably with, means for freely rotatably mounting said by said housing;concentricrwith 'said' driven:

shaft, =a sleeve? within said housingand-.concenr tric. saidshaft with its inner end fixed to said shaft,: asecond internal gear rotatablylcarriedgby the outer end ofsaid sleeve and concentric with and rotatable with respecttosaid JfiISt internal and said 'second internal gears for drivingly connecting the same a crank :shaft freelyrotatably gear, a planet gearwheelin meshrwith said first mounting said; planet geargabouta common", axis I of rotation eccentric: to I saiddriven shaft and about a common axis of revolution: concentric; to said driven shaft; a journal support rotatably carried by said sleeve ion; supporting the inner thereby preventing the rend-10f; saidcrank; shaftpa iournal support rotat ablyi carried. by said housing ,forsupporting the outer? end 90f, :s'aid v crankshaft,,, an electric; motor having :a; housing--free1y rotatably i'journaled in the outer 'end 0f; said transmission housing concentric gWith said driven shaft and having .a rotor rfltatably supportedconcentric vsaiddriven; shaft and drivinglys connected to said'crank shaft for revolving :said- :planet gear about the axis of a said driven shaft said motor having fixedconnections with electrical- .supply--, lines, and -weight means suspended; from said motor housing .for absorb.- ing the torque reaction resulting from the rotanwor the rot r w n th mo oris op rat d "a d .rotation ofthe motor h0u i Robot?- iBfiRLEIfiI v AUGUST; KUNZLE-

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