Ventilation pipeline cutting device

The utility model discloses a ventilating duct cutting device which comprises a machine frame, a cutting device, a cutting device, a cutting device, a cutting device and a cutting device. The material carrying table is arranged on the base; the cutting mechanism is arranged on the top plate in a lif...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZENG CONG, LUO CHENGHONG, LI HONGHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model discloses a ventilating duct cutting device which comprises a machine frame, a cutting device, a cutting device, a cutting device, a cutting device and a cutting device. The material carrying table is arranged on the base; the cutting mechanism is arranged on the top plate in a liftable manner; the clamping mechanism comprises a clamping assembly, a transmission assembly and a positioning assembly, the clamping assembly comprises two clamping parts, the transmission assembly comprises a transmission shaft, a transmission screw rod and two transmission nuts, a containing cavity is formed in the base, the transmission screw rod is rotatably arranged in the containing cavity, a first threaded section and a second threaded section which are opposite in thread direction are arranged on the transmission screw rod, and the first threaded section and the second threaded section are arranged in the containing cavity. The two transmission nuts are in threaded connection with the first threaded section