Uppfinnare: J Siplane
Foreliggande uppfinning avser en anordning for frasning av urtagningar i ett arbetsstycke medelst ett verktyg, som tvangsmassigt utfor samma rorelse som en styrrulle, vilken är styrd langs kanterna pa en likadan urtagning i en styrmall, som de onskade ur-: tagningarna och kannetecknas av att en kopplingsmall, som har en urtagning, vilken Or nagot mindre On styrurtagningen, Or forskjutbart fast vid styrmallens ena sida, och att styrrullen Or anordnad att pressas mot styrurtagningens kanter och skjuta in de utanfor styrurtagningens kanter skjutande kanterna pa den i kopplingsmallen varande urtagningen, och nar styrrullen kommer till findresp. brytpunkter i styrurtagningen, genom inskjutningen av kopplingsmallen, paverkar i elektrisk stromkrets inkopplade riktningsomkastande organ far en i Iva vinkelrat mot varandra varande riktningar rorlig support for styrrullen, sit att styrrullen andrar rorelseriktning i beroende av styrurtagningens kanter. Inventor: J Siplane
The present invention relates to a device for milling recesses in a workpiece by means of a tool which forcibly performs the same movement as a guide roller, which is guided along the edges of a similar recess in a guide template as the desired recesses and is characterized in that a coupling template, which has a recess, which is slightly smaller than the guide recess, is slidably fixed to one side of the guide template, and that the guide roller is arranged to be pressed against the edges of the guide recess and push in the edges sliding outside the guide recess edges on the recess in the coupling template. the guide roller comes to findresp. breakpoints in the guide recess, by the insertion of the coupling template, affect in the electrical circuit-connected direction reversing means a movable support for the guide roller in a direction perpendicular to Iva, that the guide roller changes direction of movement depending on the edges of the guide recess.
Anordningen mojliggar att pit ett enkelt och tillforlitligt satt frasa Oven komplicerade urtagningar i arbetsstycken, Oven i stora serier. Genom att kopplingsmallen Or forskjutbar relativt styrmallen under inverkan av styrrullen, sker riktningsomkastningen effektivt och enkelt Oven vid urfrasningar med flera brytpunkter. The device makes it possible to pit a simple and reliable set phrase Oven complicated recesses in workpieces, Oven in large series. Because the coupling template Or is displaceable relative to the guide template under the influence of the guide roller, the reversal of the direction takes place efficiently and easily.
Anordningen enligt uppfinningen askadliggores i ett utforingsexempel pa bifogade ritning. Fig. 1 visar en planvy och fig. 2 en sek-
tion efter linjeni fig. 1. The device according to the invention is illustrated in an exemplary embodiment in the accompanying drawing. Fig. 1 shows a plan view and Fig. 2 a
tion along the line in Fig. 1.
Med 1 betecknas en hogvarvig el-motor, vi-sad med streckade linjer, som Or forsedd med ett verktyg 2. Motorn Or fast pa en krysssupport 3, som styrs av gejder 3a och 3b i horisontal- och vertikalled av tryckluftscylindrar 4 och 5. Dessa tryckluftscylindrar styres av magnetventiler, som fa impulser fran granslfigesstrombrytare 6 och 6a. Pa krysssupporten Or fast en styrarm 7 med en styrrulle 8, vilken utfor exakt samma rorelse som verktyget 2. Styrrullen 8 gar genom en urtag
ning 15 i en styrmall 9 och en urtagning 17 i en kopplingsmall 10. Styrmallen 9 Or fast pa en mallhallare 11 mellan excentriska tap-par 12, som mojliggor dess justering i bade horisontal- och vertikalled och armed urfrasningens 13 exakta plaeering i arbetsstycket 14, som Or fixerat i sitt lage under frasningen. Xro styrrullens 8 och verktygets 2 diametrar lika stora, skall styrmallens 9 urtagning 15, delvis ritad med streckade linjer, vara exakt lika i form och dimensioner som den onskade infrasningen 13. Mot styrmallen
9 pressas kopplingsmallen 10 av fjadrande hallare 16, sa att kopplingsmallen 10 kan glida mot styrmallen 9. Kopplingsmallens 10 urtagning 17, sj diva mallen, Or nagra millimeter kortare On styrmallens 9 oppning 15, sa att nar styrinallen och verktyget flytta sig i horisontell led och nar endera av andpunkterna eller vid bottenlage centrum, kopplingsmallen
10 skjutes i samma riktning och paverkar granslagesstrambrytaren 6, som i sin tur paverkar magnetventilen, som reglerar trycklufttillforseln till cylindrarna 4 och 5. 1 denotes a high-speed electric motor, shown in broken lines, which Or is provided with a tool 2. The motor Or is fixed to a cross-support 3, which is controlled by guides 3a and 3b in the horizontal and vertical direction of compressed air cylinders 4 and 5. These compressed air cylinders are controlled by solenoid valves, which receive impulses from the circuit breaker 6 and 6a. Attached to the cross support is a guide arm 7 with a guide roller 8, which performs exactly the same movement as the tool 2. The guide roller 8 passes through a recess
15 in a guide template 9 and a recess 17 in a coupling template 10. The guide template 9 is fixed on a template holder 11 between eccentric taper pairs 12, which allow its adjustment in both horizontal and vertical directions and the exact placement of the armed cutout 13 in the workpiece 14, which Or fixed in his lag during the phrasing. If the diameters of the guide roller 8 and the tool 2 are equal, the recess 15 of the guide template 9, partly drawn in broken lines, must be exactly the same in shape and dimensions as the desired bevel 13. Against the guide template
9, the coupling template 10 is pressed by resilient holders 16, so that the coupling template 10 can slide against the guide template 9. The coupling template 10 recesses 17, see the diva template, Or a few millimeters shorter On the guide template 9 opening 15, so that when the guide terminal and tool move horizontally and reaches either of the breathing points or at the bottom layer center, the coupling template
10 is pushed in the same direction and acts on the check switch 6, which in turn acts on the solenoid valve, which regulates the supply of compressed air to the cylinders 4 and 5.
Anordningen fungerar pa fOljande satt:
Vid operationens borjan star styrrullen 8 i utgangslaget I i kopplingsmallens urtagning 17 och foljaktligen Oven verktyget 2 i motsvarande utgangslage. I stromlost tillstand hailer cylindern 4 supporten 3 uppe och cylindern 5 hailer supporten till hoger. Kopplas strommen pa, ger den 8vre granslagesstrombrytaren 6 impuls till magnetventilen, som da ger luft till cylindern 5, vilken for supporten at vanster och darmed styrrullen 8 at vans-ter langs urtagens 17 Overkant i mallen i pi-lens P riktning. Harvid fares Oven verktyget 2 parallellt med styrrullen itt vanster. I styrrullens 8 vfinstra andlage II farskjutes kopplingsmallen 10 till vanster sit langt styrmallen medgiver, varvid granslagess trombrytaren 6 ornkopplas. I detta lage pa kopplingsmallen skjuter cylindern supporten 3 till Niger under det cylindern 4 stravar att draga supporten nedat, men forhindras av styrrullen 8, som befinner sig i det smala partiet pa kopplings-
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inallens urtagning 17. Mr styrrullen 8 hunnit fram till urtagningens 17 centrumparti, rullar den i pilens Pr riktning ned till lfiget III yid urtagningens 17 botten, dfir den fortsatter at hoger till ett andlage IV, dar den anyo paverkar kopplingsmallen 10, granslagesstrombrytaren 6 och magnetventilen saint tryckluftscylindrar. Strommen brytes och supporten gar uppat och for styrrullen 8 i pilens P11 riktning till utgangslaget. The device works as follows:
At the beginning of the operation, the guide roller 8 stands in the starting layer I in the recess 17 of the coupling template and consequently the oven tool 2 in the corresponding starting layer. In the de-energized state, the cylinder 4 hails the support 3 up and the cylinder 5 hails the support to the right. If the current is switched on, the 8th branch switch 6 imparts impulse to the solenoid valve, which then supplies air to the cylinder 5, which for the support on the left and thus the guide roller 8 on the left along the upper edge of the recesses 17 in the template in the direction of the arrow P. Harvid fares Oven tool 2 parallel to the guide roller in the left. In the left-hand end II of the guide roller 8, the coupling template 10 is pushed to the left as far as the guide template allows, whereby the thrombus switch 6 is switched on. In this position on the coupling template, the cylinder pushes the support 3 to Niger while the cylinder 4 tries to pull the support downwards, but is prevented by the guide roller 8, which is located in the narrow portion of the coupling.
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in the recess 17. Mr the guide roller 8 has reached the center portion of the recess 17, it rolls in the direction of the arrow down to the bottom III of the recess 17, before it continues to the right to a base IV, where it affects the coupling template 10, the check switch 6 and the solenoid valve. saint compressed air cylinders. The current is broken and the support goes up and moves the guide roller 8 in the direction of the arrow P11 to the starting position.
De elektriska styrningarna aro utforda enligt kanda principer. The electrical controls are challenging according to known principles.