System for loading or unloading of parts onto or from trays
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65G-057/00
출원번호
US-0766352
(1996-12-13)
발명자
/ 주소
Woerner Klaus D.,CAX
Cybulski Michael A.,CAX
Mowat Donald J.,CAX
출원인 / 주소
ATS Automation Tooling Systems Inc., CAX
대리인 / 주소
Armstrong
인용정보
피인용 횟수 :
24인용 특허 :
8
초록▼
The system is for loading or unloading parts onto or from trays. The same system may be used for either function. A stack of trays loaded on a cart is wheeled into a first cart docking bay. A second cart is positioned in a second cart docking bay beside the first bay, to receive processed trays. A f
The system is for loading or unloading parts onto or from trays. The same system may be used for either function. A stack of trays loaded on a cart is wheeled into a first cart docking bay. A second cart is positioned in a second cart docking bay beside the first bay, to receive processed trays. A first tray elevator lifts the first cart and trays, or just the trays, to align the uppermost tray with a tray singulator and clamping mechanism. The tray is singulated, i.e. first supported at a lip by retractable opposing support rails and then separated from the stack by operation of the elevator to lower the tray stack, and is then clamped in a precise position. It is subsequently unclamped and shuttled laterally into alignment above the second cart, onto identical retractable support rails, where it is similarly clamped in a precise position. The next tray is then raised by the first elevator and singulated and clamped in position, so that there are then two precisely positioned trays, one above each cart and tray stack. A robot loads or unloads parts onto or from trays at either location, transferring the parts from or to a target location, such as a pallet on a conveyor passing through the system, for example. This loading or unloading takes place primarily at the shuttled tray. When the shuttled tray is completely filled or emptied as the case may be, it is unclamped, the second elevator is lifted to provide support for the tray, the singulator mechanism is opened to release the tray, and the tray stack is lowered, thus clearing the way for the next tray to be shuttled across. While the filled or emptied tray is being lowered, the robot can transfer parts to or from the tray above the first stack, thereby minimizing delays in the cycle.
대표청구항▼
[ What is claimed as the invention is:] [1.] A system for loading or unloading parts onto or from trays, comprising:a frame defining a first cart bay and an adjacent second cart bay, each for receiving a horizontally transportable cart on which trays are stackable;an elevator mechanism in each cart
[ What is claimed as the invention is:] [1.] A system for loading or unloading parts onto or from trays, comprising:a frame defining a first cart bay and an adjacent second cart bay, each for receiving a horizontally transportable cart on which trays are stackable;an elevator mechanism in each cart bay;two tray singulating and clamping mechanisms at the same height and aligned with each other, one above each said cart bay, said mechanisms having opposing singulating means for supporting opposite sides of a tray elevated thereto by operation of said elevator and opposing clamping means for clamping said tray, said singulating means being moveable between a retracted position allowing passage of a tray and an actuated position where said tray is supported, said clamping means being similarly moveable between a retracted position allowing passage of a tray and an actuated position where said tray is clamped;means for transferring an unclamped singulated tray laterally from at least one tray singulating and clamping mechanism towards the other tray singulating and clamping mechanism, and thus from above one cart bay to above the other cart bay;means for transferring parts between any singulated and clamped tray and another location; andcontrol means programmed to detect horizontal positioning of the transportable cart in one said cart bay, to raise one said elevator to position an uppermost tray opposite said singulator mechanism above said one cart bay, to then actuate said singulating mechanism to support said tray, to then lower said elevator to separate said tray from any remaining trays in that cart bay, to then actuate said clamping mechanism to clamp said tray, to release said clamping mechanism and to actuate said means to transfer said tray laterally when desired to transfer said tray to said other singulator and clamping mechanism, to clamp said tray at said other singulator and clamping mechanism, to then raise the other elevator to the correct height for receiving said tray from the other singulator mechanism, to retract said other singulator mechanism to allow said other elevator to receive said tray from said other singulator mechanism, to then lower said other elevator and actuate said other singulator mechanism to enable it to support the next transferred tray, and to control said transfer of parts between any singulated and clamped tray and another location.
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이 특허에 인용된 특허 (8)
Tischler, Bernd; Euerle, Kurt, Apparatus for loading and/or unloading machine tools or the like.
Berberich, Walter; Baumgart, Julian; Daisley, Richard-Paul; Strzempek, Dominik; Soentges, Stefan, Device and method for handling racks of disposable pipette tips in a laboratory automation system and laboratory automation system.
Neebe, Mark Thomas; Hillerich, Thomas Anthony; Neilson, Randall Keith; Schlender, Robert Lee; Good, Matthew Gene; Timm, Jacob L., Tray transfer system.
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