SE127976C1

SE127976C1 - Tool holder for turret and support lathes etc.

Info

Publication number: SE127976C1
Application number: SE869744A
Authority: SE
Inventors: L E H Gustavsson
Priority date: 1944-10-30
Filing date: 1944-10-30
Publication date: 1950-04-11

Description

KLASS 49 a:34/01 BESKRIVNING OFFENTLIGGJORD AV KUNGL. CLASS 49 a: 34/01 DESCRIPTION PUBLISHED BY KUNGL.

PATENT- OCH REGISTRERINGSVERKET Ans. den "/. 1914, nr 8697/1944. PATENTS AND REGISTRATION OFFICE Ans. the "/. 1914, No. 8697/1944.

BEVIDAT DEN 9 FEBRUARI 19 PATENTTID FRAN DEN 30 OKT. 1944 PUBLICERAT DEN 11 APRIL 19 en riffling. BEVIDAT ON 9 FEBRUARY 19 PATENT PERIOD FROM 30 OCTOBER. 1944 PUBLISHED ON 11 APRIL 19 a riffling.

L. E. H. GUSTAVSSON, KARLSKOGA. L. E. H. GUSTAVSSON, KARLSKOGA.

Verktygsfaste for revolver- och supportsvarvar etc. Tool holder for turret and support lathes etc.

FOreliggande uppfinning avser ett yerktygsfaste for uppsattning ay yerktyg i exempelvis revolver- eller supportsvarvar. I vanliga svarvar ay denna typ Sr ,det i allmanhet icke mojligt, att vid utbyte ay verktyg, t. ex. ersattning ay en borr med ett syarystal, snabht fa det nya verktyget centrerat p5 samma salt som det foregiende. Denna °lager).- het g5r sig i synnerhet markbar vid serietillverkning i Adana arbetsmaskiner soul exempelvis supportsvarvar, dar utbytet och sarskilt centreringen av yerktygen tar relativt tang tid. Vid bearbetning av stora arbetsstycken exempelvis vertikala revolversvarvar Sr det i regel, till fiiljd -ay bristande utrymme, icke natijligt att uppsatta erforderligt antal verk- tyg.• Verktygsfastet enligt uppfinningen Urinetecknas huvudsakligen darax, att det bestir av en for fastspanning i arbetsmaskinen utformed ytterhylsa, som Sr forsedd med en central halighet med en inre, cylindrisk del och en sig mot halighetens mynning vidgande, konisk del, en i ytterhylsans cylindriska del anbragt mutter, vilken Sr vridbar men icke forskjutbar i axiell led och invandigt forsedd med en i sektorer uppdelad gangning, saint en pa i och for sig kant satt som verktygshillare utformad innerdel, vilken utvandigt Sr forsedd med en gangad del och en konisk del i anpassning till muttern.s gangning respektive ytterhylsans koniska del. The present invention relates to a tool holder for mounting tools in, for example, turret or support lathes. In ordinary lathes ay this type Sr, it is generally not possible that when exchanging ay tools, e.g. replacement ay a drill with a syary number, snabht get the new tool centered on the same salt as the previous one. This storage is particularly noticeable during series production in Adana work machines, for example support lathes, where the replacement and especially the centering of the tools takes relatively little time. When machining large workpieces, for example vertical turret lathes, it is usually not possible to set up the required number of works due to a lack of space. fabric.• The tool fastener according to the invention is mainly characterized in that it consists of an outer sleeve designed for clamping in the working machine, which Sr is provided with a central hollow with an inner, cylindrical part and a conical part widening towards the mouth of the hollow, , which is rotatable but not displaceable in the axial direction and internally provided with a section divided into sectors, saint an inner part formed as a tool shelf, which externally is provided with a threaded part and a conical part in adaptation to the nut .s thread and the conical part of the outer sleeve, respectively.

Pa bifogade ritning visa som sexernpel en utforingsforrn av uppfinningen. Fig. 1 yisar verktygsfastet i langdsektion och fig. 2 i tvar- sektion efter linjeni fig, 1. Fig. 3 Sr ext sidovy, tagen i rat vinkel mot sektionsplanet i fig. 1. Fig. 4 och 5 visa i langdsektion respek- liveen modifierad utfOringsform av innerdelen. The accompanying drawing shows as an example a embodiment of the invention. Fig. 1 shows the tool holder in longitudinal section and Fig. 2 in transverse section section after the line in fig, 1. Fig. 3 Sr ext side view, taken at right angles to the section plane in Fig. 1. Figs. 4 and 5 show in longitudinal section live modified embodiment of the inner part.

Det i fig. 1-3 visade verktygsfastet uppyisar en i huvudsak cylindrisk ytterhylsa med en central cylindrisk hfilighet, vilken Sr uppdelad i tya avdelningar 12 och 13, pa sadant satt att den framre 12 liar 'stone diameter an den bakre 13 och det i oyergangen mellan de bagge ,avdelningarna bildas en ringformig anliggningsyta 14. Ytterhylsan Sr vidare from-till forsedd med en urtagning, i vilken Sr in pa.ssad en ringformig del 4, som kyarhalles medelst skruvar 5. Den ringfonniga delen 4 uppyisar invandigt en konisk yla 9, som Sr koncentrisk riled ytterhylsans 1 eylindriska urtagningar 12 och 13 och i inneranden her mindre diameter an den cylindriska urtagningen 12. I det inellan ,delen 4 och anliggningsytan 14 bildade ringformiga rummet Sr anbragt en likaledes ringformad mutter 2, som invandigt är fOrsedd med i :sektorer 16 uppdelad gangning. Muttern 2 Sr vidare utvandigt forsedd med ett handtag 3, ,som genom en sektorformad urtagning 15 'lir utanfor ytterhylsan 1. The tool holder shown in Figs. 1-3 has a substantially cylindrical outer sleeve with a central cylindrical cavity, which is divided into ten sections 12 and 13, in such a way that the front 12 is more like a stone diameter than the rear 13 and that in the orifice between the ram, the compartments an annular abutment surface 14 is formed. The outer sleeve Sr is further provided with a recess in which Sr in An annular part 4 is fitted, which is held by means of screws 5. The annular part 4 internally forms a conical sleeve 9, which is concentric with the cylindrical recesses 12 and 13 of the outer sleeve 1 and has a smaller diameter inside than the cylindrical recess 12. In the in between, the part 4 and the abutment surface 14 formed the annular space Sr arranged a similarly annular nut 2, which is internally provided with a passage divided into sectors 16. The nut 2 is further externally provided with a handle 3, which, through a sector-shaped recess 15 ', lies outside the outer sleeve 1.

I ytterhylsan ãr anbragt en innerdel 7, som utvandigt Sr fOrsedd med en i sektorer 11 uppdelad gangning i anpassning till mutterns 2 gangning, en konisk yta i anpassning till den koniska ytan 9 i den ringformiga delen 4 saint en flans 10 med en anliggningsyta, avpassad for anliggning mot framkanten ph den ringformiga delen. Flansen Sr vidare i anliggningsytan forsedd med ett radiellt riktat stilt ,6, som passar in i en motsvarande urtagning 19 i den ringformiga delen 4 och liar till uppgift att fOrhindra, att innerdelen vrides i forhallande till ytterhylsan. Arranged in the outer sleeve is an inner part 7, which is externally provided with a thread divided into sectors 11 in adaptation to the thread of the nut 2, a conical surface in adaptation to the conical surface 9 in the annular part 4 saint a flange 10 with an abutment surface, adapted for abutment against the leading edge ph the annular part. The flange Sr is further provided in the abutment surface with a radially directed post, 6, which fits into a corresponding recess 19 in the annular part 4 and has the task of preventing the inner part from being rotated in relation to the outer sleeve.

Vid fastsattning av innerdelen 7 i ytterhylsan 1 installes muttern 2 i det i fig. 2 och 3 11 och draga in denna del i ytterhylsan sa att stiftet 6 passa.s in i urtagningen 19, och inuttern vrides. Dess gangsektorer 16 konama harvid att gripe in i innerdelens gangsektorer 11 ,och odraga in denna del i ytterhylsan sS langt, att innerdelens flans 10 prassas mot den ringformiga delens 4 framkant. Innerdelens flans ,och koniska yta are haryid anordnade ,sa, i forhallande till den ringformiga de-lens 4 framkant och koniska yta, att f Or den onskade centreringen ett obetydligt spelrum erhalles mellan de koniska ytorna, varigenom forhindras, att de bagge delarna kilas fast i varandra, di ett pa innerdelen verltande axiellt tryck kommer att oyerforas till ytterhylsan medelst flansen 10. Delta spelrum kan uppga till nagra hundradels millimeter, utan att darigenom innerdelens noggranna centrering i forhallande till ytterhylsan aventyras. 2— — Den i fig. 1 och 2 visade innerdelen ãr invandigt forsedd med en central nthorrning med morsekona for infastning av sadana verktyg, vilkas shaft aro koniska ph samma salt, t. ex. borrar och brotschar. I fig. 4 och 5 visas en innerdel, som ãr utformad shorn hallare for ett svarvstal for invandig svarvning. Stalet insattes harvid 1 den rektangulara urtagningen 17 och kvarhalles medelst fastskruven 18. Om man anskar anvanda andra verktyg, kan innerdelen naturligtvis pa i och far sig kant salt utformas sasom hallare for desamma. When fastening the inner part 7 in the outer sleeve 1, the nut 2 is installed in the one in Figs. 2 and 31 and retract this part in the outer sleeve so that the pin 6 fits into the recess 19, and the nut is turned. Its aisle sectors 16 tend to engage in the aisle sectors 11 of the inner part, and pull this part into the outer sleeve so far that the flange 10 of the inner part is pressed against the leading edge of the annular part 4. The flange and conical surface of the inner part are arranged, so, in relation to the leading edge and conical surface of the annular part 4, that the desired centering is given an insignificant clearance between the conical surfaces, thereby preventing the ram parts from being wedged. in each other, in which an axial pressure exerted on the inner part will be transmitted to the outer sleeve by means of the flange 10. Delta clearances can amount to a few hundredths of a millimeter, without thereby jeopardizing the precise centering of the inner part in relation to the outer sleeve. 2— - The inner part shown in Figs. 1 and 2 is internally provided with a central mandrel with a Morse cone for fastening such tools, the shaft of which is conical to the same salt, e.g. drills and reamers. Figures 4 and 5 show an inner part, which is a shaped shorn holder for a turning number for internal turning. The steel is then inserted into the rectangular recess 17 and retained by means of the fixed screw 18. If it is desired to use other tools, the inner part can of course be designed as a holder for the same salt.

Vid serietillverkning av arbetsstycken, som fordra olika verktyg, i exempelvis supportsvarvar, behover man vid anvandning av verktygsfastet enligt uppfinningen endast satta upp verktygen i erforderligt antal innerdelar yid tillverkningen av det forsta arbetsstycket. Vid tillverkningen av de ovriga arbetsstyekena i serien utbyter man, vid Over-gang frAn ett arbetstempo till ett annat, i innerdelarna redan uppsatta -verktyg och far da omedelbart en snabb centrering genom de koniska styrytorna, varjamte verktygen genom stiftet 6 och den ddremot svarande urtagningen 19 alltid komma att intaga samma lage i forhallande till horisontalplanet. When mass-producing workpieces which require different tools, for example in support lathes, when using the tool holder according to the invention, it is only necessary to set up the tools in the required number of inner parts during the manufacture of the first workpiece. In the manufacture of the other workpieces in the series, at the transition from one work pace to another, tools already installed in the inner parts are exchanged and a rapid centering is immediately obtained through the conical guide surfaces, the tools through the pin 6 and the corresponding recess. 19 always come to occupy the same layer in relation to the horizontal plane.

Claims

Patent claim:

1. The tool is provided with turret and support lathes, etc., characterized in that it lies in an outer sleeve (1) formed for clamping in the work machine, which Or is provided with a central hollow with an inner cylindrical part and a widening towards the mouth of the machine. conical part (9), a nut (2) arranged in the cylindrical part of the outer sleeve, which Or is rotatable but not displaceable in axial direction and internally provided with a thread divided into sectors, and a 1) 0 per se edge salt designed as a tool holder , for clamping in the outer sleeve intended inner part (7), which externally Or is provided with a threaded part and a conical part in adaptation to the thread of the nut and the conical part 9 of the outer sleeve, respectively.

Tool holder according to patent claim 1, characterized in that the inner part (7) is provided with a. flange (10), which Or is arranged to abut against the front edge of the latter when clamping the inner part of the outer sleeve (1).

Tool fastener according to claim 2, characterized in that the conical surfaces of the outer sleeve (1) and the inner part (7) are arranged so that, in the latter of the above-mentioned parts being clamped in the former, the ph is kept somewhat spaced apart.

Tool fastener according to one of claims 2 and 3, characterized in that the flange (10) in its abutment surface against the outer sleeve (1) is fitted with a shaft (6) and the outer sleeve (1) with a -yid inner part (7) clamping in the same recess (19) corresponding to the pin (6) must fix the bearing of the inner part (7) in relation to the outer sleeve (1). Stockholm 15no. Rung '. Iloktr. P. A. NorEtedt Siber n00089 # 7.7. 3. 6 9 3/74,

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