DE1809642U - DEVICE FOR EJECTING WORKPIECES FROM PRINTING OR. INJECTION MOLDING MACHINES. - Google Patents

Description

RA. G10 023 * 10/13/59

Device for ejecting ύοίχ workpieces from the mold ron printing or «injection molding machines».

The invention relates to a device for ejecting Toa work pieces »from 'printing or» injection molding machines, which with an off τβΓΘ «ίΐΘϊΐ is * which is in the same direction as the form i .Sntforüen is movedO

ueen cut off workpieces of 'synthetic resin or metal (^ ₀ B ₀ zinc). lufiwerfer: i.aäeln £ © et _y so that ÖAS workpiece is indeed shifted out aednerfte? but the loading does not 'fall off disadvantage' segognst the subject matter of the invention _$ in which the or 'd (jr machine is assigned an auxiliary ejector, which is movable across the direction of the thrower and which, after it has been actuated, uea ejector -fers is actuatedo ■

X) ¹ .'e device can be found in bokanntei 'Weis ©

ilüerig-'f-eita- cdi ^ r drusklnftgeefeeuert · be and essentially p% fc a working cylinder having the ejector 'and from "i: j, @ m St ^ ueivor", "' beeteheno JSweskm & ßig itz.t die Fccke, which is used to F; t ^ ye. ^ \ i * 5οΓ, ₀ r-um switching the control slide ües pressure medium _{circuit of the device?} on a striker of the

The drawing shows an example in plan view namely according to

Figure 1 with the closed mold unü according to

8s.

Fig. 2 in the state shortly before the auxiliary ejector hits the workpiece _o

¹ ■ The main parts dor arrangement, the two Fonnhälften 1, 5 * 3 * 4 * the Sohließplatton the workpiece 2 _f the ejector rods 6 '

'■ the control spool 8 * that can be moved in cylinder 2 * the one in cylinder » ■ .' The 16 adjustable auxiliary ejector 13 »the injection nozzle 14 and. the ejector plate 7 with the ejector needles 15 sitting on it.

^{¥ The} auxiliary ejector is located at geseiil © ssener lomi (picture 1)

: / 13 in ssiner basic position (working position of the machine) ο he

; operates switch 17? s © that the control circuit of the Machine in which a -Sohutäsechildechalter, an Ijeitungsschuts · = ·

W \ autcmat; imd the contactor of a solenoid valve is 'closed',

. · ■ ■. ■ -

. ψ- "Hezüsn the .beiden iOrmhälften 1 is moved apart ^ r 5 of a Dittokluftkreislauf control slide 8 controlled by the Nooke- ϊ 10, 'the Raad sits at the S.cjhlitßplatte 4. actuates in: Oak M moves ο The Druskluft flows into the pressure chamber 9 and

?; ■■ '■■ · .- ■ · ■■■' · -V ':' ■ ■■■. '■■ % f- sole ^ changes the Hr.lfsa ^ swerfer 13 against the one on the needles * 15 kle *: active workpiece ^. so that it jumps out of the machine <,

The length of the slide 10a determines the time * during which the control slide £ and thus also the auxiliary ejector are in the ejector position. linger ₀ Just before the -Formhälfte 5 and the iehließplatte 4 erreiohen the Offenendstellung ^ is the control · "slide 8 ron the H®oke 10 and released from the pressure screws fcdsr 11 in dia basic position" pushed forward (1 vglο BIId) ■ ·

thus reversed by the control spool, s © that it

in ^ at Truckraus 19 and the auxiliary ejector 15 again in 'dia frrundstollxuag gom according to Fig. 1 Eurtiskdrüclrt _o The screw 24 enables the adjustment of the cross-section äea throttle ducts 23 and thus the flow speed of the gland air flowing back from the pressure chamber 9 into the storage container ₀ . . .

The device can be equipped with a device for spraying the two halves of the mold with a liquid separating agent. For this purpose, it is necessary that the auxiliary ejector 13 be designed as a nozzle and that the head 13a of this ejector nozzle is arranged over the nozzle 20a of Yerschlußstange 20 and übar the StGlleiuriohtung 18 geöffnet''bzw ₀ geschlossei - can ^be;? so that the spray agent can be sprayed onto both halves of the mold - Is that another possibility _? the egg ^ spraying unit outside 'to arrange des.Arbeitskolbens 13, but steueiiio parallel with kowtowing over $ separately in angeerdnetes © ckenTentil od, DGL The spraying is zu.'regeln se!.!' - so as to face the Autswerfervorgang a lac hei development, so not «3. te spray tongue j but the lormhälften are sprayed ₀ at

ft ' ■ '' '■■■ · "■ ■■■■ · - ■■■

I '© in @ r coupling of the molded body pushing with the bin spraying swoi combinations possibleί '

βο) can ale control medium be used for the control and working cylinder Ίμ £%? can it be mixed with the spray? s © that no special certification is required for this _o

bo) The spraying agent has its own circuit with separate components Drives

Claims (1)

1ο V®rriehtung sum eject won workpieces of the form r © n! Druok-'bsw · _{SpritzgieBmas@M.nen?} who is τβτ-see with an Aueworfer _r who moves in the same sighting as the Jörm fee in disarming wjLr-d, -that is characterized ₉ that the work = · · ■ .... ■■■. ätttok (2) · an auxiliary β ejector (13) is assigned to the transverse for the VoTsonleboTlohtunc d © s ejector (7> 15) is movable ■ ■■ - ■■ · ■ ■ · and the subsequent actuation dea eject qtb is actuated ο Device according to claim 1, characterized in that it is liquid® »= or druekluftg © controls and essentially consists of a working cylinder having the auxiliary ejector (13). (16) wia of a control unit (8, 12) 3 ο device according to claims 1 and 2 _$ thereby geke'nnaeich - '· ■■. ■; ■■■■: ± & 4 $ 20Q · net that crouch Switching the tax zone (8) dee Druekmitt ©! Circuit, set the device *. 'Serves gegebe * appropriate, Y @ rs "ellbar _t at a Sehließplatte (4) der'Maschine · sits ο ο Device with a half-spraying device according to claims 1 to 3, characterized in that the spraying device Ton der Lure (10) is controlled »■ - ■ 5 * device laughs at claims 1 to. 3 »marked by the fact that the, auxiliary ejecta? (13) © ine Leitung.aufweist through which the Fomliälften (1.5) aach taken place ejecting the work piece · = (2) 'fipröältteeigkeit (Pormtremimittel) augeflthrt wirdo