CS259240B1

CS259240B1 - Collet storage device

Info

Publication number: CS259240B1
Application number: CS863947A
Authority: CS
Inventors: Dusan Kollarik
Original assignee: Dusan Kollarik
Priority date: 1986-05-29
Filing date: 1986-05-29
Publication date: 1988-10-14
Also published as: CS394786A1

Abstract

Riešenie sa týká odkladacieho zariadenia pre klieštiny určeného pre obrábacie stroje, vybavený klieštinovým upínačom s istiacim zariadenim klieštin přepojeným s ovládacím zariadenim pozostávajúceho z bubnového zásobníka s držiakmi a z ramena. Podstatou riešenia je, že každý držiak klieštin bubnového zásobníka odkladacieho zariadenia má vytvorenú z čela vnútornú spojitú rotačnú uchytávaciu plochu pre vonkajší povrch klieštiny, pričom. priemer uchytávacej plochy je v3čší ako vonkajší priemer deformovanej klieštiny a menší ako vonkajší priemer volnej klieštiny. Zariadenie umožňuje výměnu Xubovolnej klieštiny pomocou Iubovolného držiaka bez ohladu na velkost a tvar prierezu polotovaru, pre ktorého upínanie je klieština určená. Nájde uplatnenie najma v automatizovaných výrobných systémoch.The solution concerns a collet storage device intended for machine tools, equipped with a collet clamp with a collet securing device interconnected with a control device consisting of a drum magazine with holders and an arm. The essence of the solution is that each collet holder of the drum magazine of the storage device has an internal continuous rotary clamping surface formed from the front for the outer surface of the collet, whereby. the diameter of the clamping surface is larger than the outer diameter of the deformed collet and smaller than the outer diameter of the free collet. The device allows the exchange of any collet using any holder regardless of the size and shape of the cross-section of the blank for which the collet is intended to be clamped. It will find application mainly in automated production systems.

Description

I 259240I 259240

Vynález sa týká odkladačieho zariadenia pre klieštiny určeného pre obrábacie strojevybavený klieštinovým upínačom a istiacim zariadením klieátin přepojeným s ovládacím zariade-ním, pozostávajáceho z bubnového zásobníka s držiakmi klieštin a z ramena. V súčasnej době je výměna klleštin v klleštlnovom upinačl riešená nejčastejšie pomocousilovoovládaného uchopovacieho zariadenia napr. manipulátora. Takéto zariadenie kladie zvýše-né energetické nároky na držanie, prenášanie a odkladanie klieštin. Navýše odkladacie zariade-nie pre klleštiny je riešené tak, že každá klieština má priradený presne jeden držiak bubno-vého zásobníka, čo pri rozmanitosti upínaných velkosti a tvarov tyčového polotovaru předsta-vuje řádové niekolko desiatok držiakov, ktoré nie je praktické umiestnit na jednom bubnovomzásobníku a je to riešené vymenitelnosťou Zásobníka.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a collet storage device for machine tools equipped with a collet chuck and a collet locking device coupled to a control device comprising a drum cartridge with collet holders and an arm. At present, the replacement of the nails in the clamping clamp is solved most often by the aid of a controlled gripping device, e.g. a manipulator. Such a device imposes increased energy requirements for holding, carrying and storing the pliers. In addition, the colliner is designed so that each collet is associated with exactly one drum cartridge holder, which, with a variety of clamped size and shape rods, represents a few dozen holders that are not practical to place on one drum tray and this is solved by the removability of the Tray.

Tieto nevýhody zmierňuje odkladacie zariadenie pre klleštiny podlá vynálezu, ktoréhopodstatou je, že každý držiak klieštin bubnového zásobníka odkladacieho zariadenia má vytvo-řená z čela vnútornú spojitá rotačná uchytávaciu plochu pre vonkajší povrch klieštiny, pričompriemer uchytávacej plochy je váčší ako vonkajší priemer deformovanej klieštiny a menšíako vonkajší priemer volnéj klieštiny.These disadvantages are alleviated by the clip device according to the invention, which is that each clip holder of the drum cartridge of the disc storage device has an internal continuous rotational gripping surface for the outer surface of the clip, the gripping surface diameter being larger than the outer diameter of the deformed pliers and the smaller the outer diameter of free collet.

Odkladacie zariadenie pre klieštiny podlá vynálezu je znázorněné na připojených výkresoch,kde na obr. 1 je příklad prevedenia držiaka v spojení s klieštínou v klieštinovom upínačiv pohlade a řeze, na obr. 2, 3, 4 a 5 je znázorněný postup vkladania klieštiny do klieštinovéhoupínača pomocou odkladacieho zariadenia podlá vynálezu, na obr. 6 je znázorněný iný příkladvytvorenia klieštiny a držiaka v priečnom řeze a na obr. 7 je znázorněná klieština v náryse.1 shows an example of a holder embodiment in conjunction with a clamp in a clamp clamp, viewed in section, and FIGS. 2, 3, 4 and 5 illustrate the method of inserting a clamp into a clamp by means of a clamp. FIG. 6 shows another example of a collet formation and a holder in cross-section; and FIG. 7 shows the collet in a front view.

Obřábací stroj 10 je vybavený klieštinovým upínačom 20 s istiaclm zariadením 22 kliešti-ny 21 přepojeným so silovým mechanizmom 11 a odkládacím zariadením 30 známým spĎsobomumiestneným na obrábacom stroji 10.The machine 10 is provided with a clamp 20 with a tamper device 22 coupled to a force mechanism 11 and a storage device 30 known to be mounted on the machine tool 10.

Odkladacie zariadenie 30 pozostáva z bubnového zásobníka 30a usporiadanom otočné naramene 30b zasávatelnom do pracovného priestoru obrábacieho stroja 10.The storage device 30 consists of a drum cartridge 30a arranged in a rotatable arm 30b that can be inserted into the working space of the machine tool 10.

Bubnový zásobník 30a má usporiadané například radiálně držiaky 31 klieštin 21. Každýdržiak 31 je uspósobený pre uchytenie klieštiny 21 z čelnej plochy 26 za jej vonkajší povrch 25. Za týmto áčelom má držiak 31 na sebe vytvořená vnátorná spojitá rotačná uchytávaciuplochu 35 například dutá kuželová, rozširujácu sa do telesa držiaka 31, i pre vonkajší povrch25 klieštiny 21 zo strany jej čelnej plochy 26. Popři tejto uchytávacej ploché 35 je vhodné,aby držiak 31 mal vytvořená i blokovaciu plochu 34, ktorá v axiálnom smere zaisťuje klieštinu 21 v držiaku 31 a je kolmá na uchytávaciu plochu 35. Klieština 21 má v tomto případe vytvo-řená odpovedajácu záběrová plochu 27 ako je to vidieť na obr. 7. Funkciu uchytávacej plochy 35 a na ňu kolmej blokovacej plochy 34 plní i vnátorná kuželová plocha 33 vytvořená z čela 36 držiaka 31 rozširujáca sa od čela 36, pričom klieština 21 má vytvořený na vonkajšom povr-chu 25 kuželový povrch 24 rozširujáci sa k čelnej ploché 26 klieštiny 21 ako je to vidieť v příklade na obr. 1. Výměna klieštiny 21 sa podlá vynálezu uskutočňuje v sáčinnosti s istiaclm zariadením 22 a silovým mechanizmom 11 následovně;For example, the drum magazine 30a has radial holders 31 of the pliers 21. Each holder 31 is adapted to hold the pincer 21 from the face 26 behind its outer surface 25. Behind this peg, the holder 31 has an internal continuous rotating gripping surface 35, for example, hollow conical, extending into the holder body 31, i for the outer surface 25 of the collar 21 from the side of the face 26 thereof. In addition to the holding surface 35, it is desirable that the holder 31 also has a locking surface 34 which in the axial direction secures the collet 21 in the holder 31 and is perpendicular to The gripping surface 35 and the perpendicular locking surface 34 are also filled by the inner conical surface 33 formed from the face 36 of the holder 31 expanding therein, as shown in FIG. from the face 36, wherein the tongue 21 is formed on the outer surface 1, the tapered surface 24 extends to the flat face 26 of the collet 21 as shown in the example in FIG. 1. The collet 21 is changed according to the invention in the looseness of the securing device 22 and the force mechanism 11 as follows;

ZFROM

Bubnový zásobník 30a sa po napolohovaní před klieštinový upínač 20 natočí vóči němutak, aby prázdny držiak 31 směroval do klieštinového upínača 20, v ktorom je klieština 21držaná istiacim zariadením 22. Klieštinový upínač 20 pdsobením silového mechanizmu 11 vykonáupnutie, čím sa klieština 21 radiálně v smere upínania pružné zdeformuje, čím jej vonkajšípovrch 25 dosiahne minimálny priemer "d^"After positioning in front of the collet clamp 20, the drum magazine 30a rotates the tip to rotate the empty holder 31 into a collet clamp 20 in which the collet 21 is retained by the securing device 22. The collet clamp 20 acts to force the force mechanism 11, whereby the collet 21 radially in the clamping direction elastic deforms, whereby the outer surface 25 reaches the minimum diameter "d ^"

Bubnový zásobník 30a sa prisunie ku klieštinovému upínaču 20, pričom sa držiak 31 presunie z čelnej plochy 26 čiastočne na deformovaná klieštinu 21. Sáčasným axiálnym pohybom bubnového zásobníka 30a a uvolňovacieho zdvihu silového mechanizmu 11 sa klieština 21 roztvorí naThe drum magazine 30a moves to the clamp clamp 20, whereby the holder 31 is moved from the face 26 partly to the deformed pliers 21. With the current axial movement of the drum magazine 30a and the release stroke of the force mechanism 11, the pliers 21 are opened to

Claims

The diameter of the "dj" rotary clamping surface 35 of the holder 21 which is less than the resting diameter "αo" of the outer surface 25 of the collar 21, thereby forming a pre-contact in contact with the gripping surface 35 and the outer surface 25 that secure the collet 21 on the holder 31. The protective device 22 releases the collet 21 from the collet clamp 20 and the collet 21 is ejected from the aperture 23 by axially sliding the barrel 30a. At axial distance from the collet vacuum cleaner 20, the barrel container 30a is positioned so that the collar 31 with the required collet 21 is directed to the collet of the clamp 20. The drum magazine 30a moves to the clamp clamp 20, whereby the clamp 21 is inserted into the hole 23. The clamping device 22 secures it and by simultaneous axial movement of the drum magazine 30 and the clamping stroke of the force mechanism 11, the clamp 21 deforms elastically to a diameter "d". ", thereby removing the connection of the holder 31 to the collet21. By axially sliding the drum magazine 30a, the holder 31 slides out of the collet 21 and thus the exchange is terminated. For better centering, a centering tip 32 may be used, but it will have some limitations, or it may be designed as replaceable in the holder 31. The locking device 22 is designed in any manner known per se, and is therefore not described. The collet storage device 21 of the present invention allows to grip any collar 21 of one size series with the holder 31 as the outer surface 25 has the same shape and dimension for the entire row. SUMMARY OF THE INVENTION The object of the present invention is to find application in particular in an automated manufacturing system, wherein the spindle turning machines for processing a bar stock equipped with a collet clamp 20.

1. Collapsible storage device consisting of a tumbler magazine with collet holders arranged rotatably mounted on an arm retractable into a working machine workspace, characterized in that each collet holder (31) of the tumbler magazine (30a) of the storage device (30) has an internal continuous rotating gripping surface (33) formed on the face (36) for the outer surface (25) of the collar (21), wherein the diameter (3) of the gripping surface (33) is greater than the outer diameter (d1) of the deformed collet (21) and smaller than the outer diameter (dQ) of the free collet (21).

Storage device according to claim 1, characterized in that the clamp holder (31) has a continuous axial locking surface (34) formed perpendicular to the gripping surface (33), the tongue (21) having a corresponding engagement surface formed on the outer surface (25) (27).

Storage device according to Claims 1 and 2, characterized in that the gripping surface (33) and the locking surface (34) of the holder (31) are formed by one conical surface (35), the diameter of which increases from the front (36) of the holder (31) , wherein a corresponding conical surface (24) is formed on the outer surface (25) of the tine (21). 3 drawings