US2326892A - Edge setting machine - Google Patents

Description

Aug. 17, 1943. HAMANVN 2,326,892

EDGE SETTING MACHINE Original Filed May 17, 1940 V -Patented A1 g. 7 d

.Vagainstthe action ofthe thrust-springs; q 7 v etters ,Patent @No. 2,283,2G4=-opera te at 'spe'edsgwhi'eh are;

"considerably higher: thana 1311056. of Ijedgel setting :machine'now m general use-1t has been-found that' thes'pring type of.snapconnectionstoom-- monly 'used 7 in the slower machi'nesfor, fastening" Etools-tothe:tool carriers permits som ye-bel, I g I g alined notches-36 i-(Fig.-- 2) 1 for receiving :rear

"Wee

-, 335,725. :Dividedandthis app1ication June'28,

M21941, Serial No. 49ml?!) w W .e iiileie' 1 This inventionrelates to; loiirnishing niachines"J" and is illustrated herei1i as embodied inimproved' to l; holding mechanismaafor useiin asmachine for'sett ing'theedgesof'soles of shoes; l'n machinessuch as disclosed in UnitedStates LettersgPatent. No.-,-'2,=283,2014 granted #Maly, 19,;

viu a inaemiih; inside-ma United Shoe Machinery Gorporation, Fleming- 1942,- upon 'an applicationgof whichrthfipreserit i j application is a division; there'is provided ast'oo'l J holder vi'hich' is oscillated at a high speediabout a horizontal axis and has a cylindrical: opening inclined .-at. slightly lessjthan' 90 to said axis,"in

which aopening fits a cylindrical spindleaof a carrier to -Whieh is1secured' an edge settine a-tool.1

V :Wnen nolwork is being presented to the machine, the carrier is moved inthe holder to' an outward position away irorn the horizontal axis hy' athrust w vspring :operating against-5: the carrier spindle. During the ,e'dgesetting .operatio'ri the .operatol 7 being operated iipon'iipwardly against the tool. as hefeeds the shoeipast the same," causing the y 'carrierspindle to slideiinthegcylindrical open? l ing 'oiltheholderetoward theaxis.ofaoscillation -t ve'en-those parts; with the=-result thatr-there' i sy: :a-Q'cOnStant WeaI on the toolsin' the high speed -V irnachines." Moreover, thetrave1 f ofrthe tool ir'i 1higl1.i'speed imachines: is. smallZ-and even. slight I lf he'tween the'to'ols and the tool carriers irei 'ing members may 'be Y wrench operated so that 1 duc'es the movementoi'the tools untilthe ploint 111 'rachedlwherethe tools must bediscarded ItisanobjectbftheJpreSent inventionto -i g I crease the life o ffinishing :1 tools byjpreventing splay: Jhetween t hetools and their carriers, ;an d,1

: 7 K? t eme 4? e c llefip z b enringssflfi 7 11m .this'.end,lthere?isg providedatool fastening" rr r'mQ -e onrpqstsy fl th o er 2 me'ansJWhich will' opositively'preventg'lost" motion v f "between the to'o'ls and the carrierswhen these ;parts are vibrated at'high speeds and which can loe-relea sed or tightenedso that theftool's may berapidly changed whenfdesiredfi Asilliistrated,

Jthe tool s and the tool carriers are provided with;

comp'lemntally shaped surfaces whichare held f in inter1ocking engagement by 'cla'inping mem:

hers; To make suresat"t refis n p1y: tween the tools 'and the-tool carri fSLthejclaInp-r w zalriother.

v .-,3;1"-hef various 'ieatures' f; tha -inventionzwill be nn'c'lerstoo'd and 'appreciated from the following detailed description read in 'connectio nwith the" 'moveiviththe shafft;

Yslass i'gnor to f 1940, Serial No.

1;v 12-572 W carriers 1 b accompanyingdrawing, in which"f s s i l-Fig lQ-is-a side elevation, partly in section jof the toolhea diof a'nedge setting'machine inwhich the present inventionis embodied;

removed Fig; 3 is. aside viewof the tool clamping means shoWniin-Fig. 1.; v I Fig. 415a frontviewof the construction shoyvnf 1 in Fig.3; I Y I Z Fi'g: 5 -is' an ngularview of t e tool of Fig.3;-'

- :sQFigL the clamping means. shown" in'Fig. 3.

2? by .a spring-32.. The shaftis provided with [an enlarged head 35, whichihas. arpair'of spaced j i'iardlylprojecting lugs-38,. on the tool holder ,28

and hich, together withthe lugs foi ms adriv I P 111g nne smj; orica si e the too e jammed forciblyf'against onei 6 is a side 'viewiof la'ivirench ior'operatin v J i older fto l is. some 919 2. a r 5- h o l I carriers 46 are, constantly urged outwardly away ahdlhave "secured-fto.theirinner ends balls; 52 l. adapte to 1st; in, recesses formed a t-t e ji'nni ends Qmiie 'spindle's 14: outward movement 'of, each of'theicarriersfflfiavvav{from the axis; 2 1 1 is limited b'y a leaf spring sif w ieh s fastened r loy a serew 56 to anfassociated boss 40 andlias an n er Jena w c when the niachine is 1316; V is in engageme t wan flatbottom gee-Q53 of it a recess formediri thespin'dle 14.4 of the tool car;

rier '45.; D1i rin'g the: edge s'etting operation; the operator 'mme'S t BFedge rthe' sole oflthi'shoe; u wardly a amst a tool-jflififllfiwhich is"'so11red; v. r 7

through: "mechanism which .will' be. described later, to the carrier 46, as he feeds the shoe past the tooh; causing the carrier 46 to slide in the cylindrical op'eningor hole'42 toward the axis 24 against the action of an associated thrust spring. 7 V w In order that the shoe" may. bequickly and effectively n ovedpa'stthetool 60, it"is desirablefor the tool-'to turn slightly about "the axis 62 of the carrier spindle '44. When the machine isidle, thecarrier 46 is held in a neutral position,"

ing in the tool carrier, and projects a short distance beyond a face 63 (Fig/'3) of the carrier.

The projection portion of the bolt 68 is surrounded by a displaceable" abutment consisting of a slotted'plate is; pivoted at as to theto ol.

- carrier 46; a washer {B and a nut 90. The tool in which lengthwise eleinents64 .(Fi-g lyqiithe 1 work-engaging face 66 of the tool areparalll to the plane of oscillation oi? the 'togzsl by the eri-fi 'gagement of the flat inner end ofithe spring 54 with the'flat bottom 58 of the ece s; It willBeappreciated, however; that, during the oper'athe axis 62 due partly to the pressure of the work againstthe tool 60' and partly tothe fact, that the too carrier'and the teat are not statically balanced about the axis 62.

-1In,-opera-ting upon shoes it iseonimonpracticei to usea forepart tool for setting'the edge of the lfo repart of the shoe and a shank iron for setting the'edge cithe shank of the shoe. .Ac-

cordingly, it isdesirable for the operator, when operating upon many types of shoes; to rotate j the holder 28 180jabout1the axis 24 in orderto interchange the operative 'positions of the carriers 46; and the tools 63;, such'movement being 7 eifected by the provision'of mechanisms which is tion of the machine, there is usually aeonstant turning of the carrier 46 in the'holder .28 about "is quickly released from the carriera socket Wrench 92 (Fig. 6): having a laterally extending finger 194.; The finger 94 is arranged so that it will strike the plate 84 after thenut 90 has been backed off slightly, for example, approximately one-ei'gl'iti 1 of at'urn, and will knock theplate' iror'rz beneath the washer 88, allowing thelplate to move bodilyvto' the left,- as viewed in 'Fig'. 4,-

and the tool to be withdrawn along the inclined abutment 10 Itwillhe appreciated that; when the screw 90 I is tightened; a'clamping thrust is exerted in difaces together by: awedgingaction; I n

Having describedlmyzinvention,what I claim .rections inclined to the'flat'faces wand 16 of 2 the carrier the. #001,;th9rebyielampingsaid as new andhdesire ,toi o'secure by. Letters Patent of the United States is: Y

i1 Inia burnishingimaehinera'holdermounted H for oscillationabout an axis and having, a cylindri-calopening, a burnishina tool, a tool carrier comprising a. spindle mounted for rotary and longitudinal movement. in, said openingimeans for urging. the spindle longitudinally in the opening to maintain the carrier at. a." predetermined disoperated; ,byla handcrankilili and (which is described in detail in said Letters 'Patent 'No.

- It is desirable frequently toreplace mewm'tt e bytools'having work-engaging faces 660i difier ent sizes and shapes in accordance with the type of shoe being operatedv upon and: the thickness of the soles of the shoes. Accordingly, in order quickly to:-repla'ce;the' tools" Glljby tools having work-engagingfaceszof different'sizesand shapes, it: has been common practice" for years to use spring-typesnap; connections (not shown) for se'ouring fthe tools in: place-on the.'carriers.. vIt

fiance fronr'said axis; said urgingmeans yieldable to: permit-said carrier to: move under pressure of the work ztowardt'sazid axis; resilient means for yielidazbly holding the carrier'spindle'in has been found,.however, that when such snap between the carriers and" their associated tools", Withithe resultthatthegr is considerable wear between these parts and, in the case of high toollgrthelcarrier or both must be discarded vand replacedbyhew inembers.

p In t illustrated inanimate diiliculty 'is'* overcome by using clamping nieanswh-iclrfelimi:

nates lostmction between 'thetool carriers4'6and .connectionsare used, a slight play.sodndevelops a, neutral position'of'rotation in said: opening; the spindle. being rotatablein opposition to' said; resih means inzeitherldirection rmm said neutral under; pressin'eiroiiv the work and the resilient means being operable to return the spindle to said neutral. positionnpon-release of said pressures-and means 'forpositively clamping the tooltothepoarrierp; 5

said carrier having-,g -a yfiat abutment portion 7 speed; short stroke tools, the play between the tool andthe carrier becomes sdgteait thatithe adapted to be engaged by a flat side of. the

bui'ni'shingtool having a'face whichis angnlarly' disposed to said abutment portion and is zidaptedio belengaged by-j another face of the Y the first-named means 'againstfithe- ,burn'ishing mnrnishing tool, meansconstructed and arranged to engage thei opposite side. of the burnishing' tool also theitoolicarrienand means for forcing Q tooland against the carrieninmtder to clamp are provided witnmmpmment ny shaped inter-' 7 locking surfaces which arehelc'iflclampedagainst each-otherby a transversely-extending bolt'-6 8.

The 'toolc'arrier 46 is relieved tofform a wedge;

the tookbetween the hat abutment portion: of

the carrier and said first-named means.

armab nishmg machine, 1; holderzznounted i 'forat a. high rite ofi speed, a'pair' of illustrated in'FigJ5Q the tool to" is provided with V.

af-wedge-sliaped" 'extension having w an inclined suriace j which is sloped compIeinentalIy to members, one of isaf burnishingvtcoland the iother .of is' a carr'i'er' for {said tool,

saidjcarrier ha ving-a portion which registers with and through which the carrier is supported in the holder eachoi said members having. a-fiat abutment in. contact with a flat abutmentqof the other member the fiat abutment of thegcarrier beingrigidwith relation to said registering portien; of; the gea'rrier, V and rneans, for; exerting a.

the-surface 1:) on' the too-l' oarrierfiand a horizontal shelf la' in whichlthere is'a. groove Bil'Ior the repe'ction of the tongue onthef tfoiol carrier 4'6.

P61? f X Q S th TQ clamping thrust-in direetions inclined to said l o l .l '7 j I =8 WW8! hhineah lder m nte 1 abutxnents in order ri jgidl-ytoiqloe said abut:-

in the tool extensiomthence through an open- 2. apurmsmng: machine; a 'holdergmounted for oscillation at a highrateof'speed a; burnish tool, "a;- .tool carrier mounted on holder,

z, the tool securely ag the carrier.

foriosoillation about an axis and having a, ov1in the' 'spindle, said spindle, being shaped and xar 5. Inaburmshi'ng g Y foroscfllation about an axis'and' having a cylinabutmentii-faee which is 'rigidiwith relation gt o v to permit the carrier to 'bejmoved'underpressure" towardsaid axis,'yie1dable means constructed :angi arranged to enable the carrier spindlefto be gturned slightlygunderl'pressure the; hole but normally to retain the spindle in a predetermined position in the hole,.is'aidrtoolhaving a flat abutment face, and 'means forg exerting 'a clamping thrust Lin; directions inclined to said flat .abiit-j .mentifaces of the carrierand thej 'tooljin order I to clamp saidfaoestogether'by a wedging action, i 1 5 6, Aftool carrierf for use in a"finishing1maohine having a vibrating tool holder, saidltool carrier 5 having surfaces arranged for looking engagement I-with a finishing tooLand' means for clamping the,

Ytoolto'the. tool "carrier, one; of said surfaces'bje-" I f' achine, fa holder niounted r dricalhole, aburnishing tooLa carrier foijthe; V tool, 'said-earrier comprising ajspindle and al-:

flat abutmentiwhieh is ijrigidwith relation to 'drical hole,-:a burnishing too1;,:'a earrier forgthe tool,said c'arrier comprising 'aspindle and aLflat ing inclined to the direction'of thrust of said 1 clamping means to provide a Wedgi'ngefiect when 1 the clampingsmeangis tightened, said clampingr fl ranged to fit in-said hole; a spring onstructed.

and arrangedfcons tantly to urge theoarrier to a'p'redet'errnined 'positionaway from saidyax'is V Y but to permitthe earrie'rlto be moved-under ,jpressure toward said axisfsaidtool having a- .fiat face, andvme'ans for' clampinggthe fiat-iace'of ainst the 1 flat abutment or e whea'dagainst each other, saidearrier'and said y tool-having atongue-and-groove connection to .in positioning said tool 2%. Mesa: r

upon the carrier,

'8. -A toolfassembly for 'holder by permitting'withdrawal of th 'idinclined-wedging surface;

7.= A tool assembly for use.

arranged tocla-mpth 'jaws of saidtdoland said supplement said jaws chine f having a vibrating tool holder, said tool assemblyeomprisingatoolcarrier'and atoolhaving" eomplementally shaped interlocking surfaces, j

, mounted on the carrier and arranged toengage 1 againstjeachother,:and avplate engage'able be ]v I tween said toolassembly "and OneofsaidcIamp ing members, s'aid plate being mounted forreadv assembly of said tool a clamp'; having a pair of oppositely disposed ,1,

flclamping members forgexerting pressme throughsaid tool assembly to hold said surfaces against ea ohother; said clamping members consisting of a .bolt head .and an s and a ilataswingably beneath one endof said clamping' members.

I 911A tool assembly for use in a finishing rna chine havinga vibrating tool holder, said tool; assembly comprising :atool carrier and a' tool.;-

I .having complementally shaped-interlockingsur- .1 1 faces, a clamp having a"p air of ppl' ositely dis; j posedi'clamping memberslfor exerting pressure;

through" said tool assembly to hold saidi'siirfaeesremoval to facilitate] dis assembly.

means including a displaoeable spacer arranged quicklyto be disassociated from theuremainder of theclanipihg means when the latterlis' loosened: 1 thereby speedily torelease the tool from the tool e tool along g n a finishing ma Chine having a vibratingtool holder, said assem b1y*fc'0mprising a tool carrier including a head; havin'g an' undercut jaw, a finishing tool-having a c'omplementally shaped undercut jaw, and a'boltusein a finishing Ina- -WILLIAM HAMANNQ

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