Heavy-load friction stir welding stirring needle withdrawing device

Heavy-load friction stir welding stirring needle withdrawing device

The invention particularly relates to a heavy-load friction stir welding stirring needle withdrawing device which is installed at the rear end of a heavy-load friction stir welding main shaft (2), and a heavy-load friction stir welding stirring head (3) is installed at the front end of the heavy-loa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG ZUOYOU, ZHANG XINQI, BI HUANGSHENG, YANG KAI, LIU HAIYAN, ZHANG SHIJUN, CHI HAIYU, KONG DEYUE, ZHANG HENG, HE FANFENG, JIN TAO, LI KAIHUA, DAI QIN, WANG JIAN, MA RUINA, YANG FUWEI, BI BING, JANG SUNG-HEE, CHEN XUEFENG, YU JING, ZHANG YIN, LIU TAO, DONG CHUANJIE
Format: Patent
Sprache:chi ; eng
Schlagworte:
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:The invention particularly relates to a heavy-load friction stir welding stirring needle withdrawing device which is installed at the rear end of a heavy-load friction stir welding main shaft (2), and a heavy-load friction stir welding stirring head (3) is installed at the front end of the heavy-load friction stir welding main shaft (2). The heavy-load friction stir welding stirring head (3) comprises a stirring needle (6) and a shaft shoulder (5) which are of a split structure. The heavy-load friction stir welding stirring needle withdrawing device comprises a rotary separating mechanism, a planetary lead screw servo driving mechanism and a stirring needle withdrawing shaft (9). And the planetary screw servo driving mechanism drives the stirring needle withdrawing shaft (9) to drive the stirring needle (6) to continuously and stably withdraw towards the interior of the shaft shoulder (5) under the cooperation of the rotary separation mechanism. By means of the stirring needle withdrawing device for heavy-loa