Heat dissipation hole punching device

The invention provides a heat dissipation hole punching device. The heat dissipation hole punching device comprises a lower die; an upper die and a driving mechanism used for driving the upper die to move up and down are installed on the lower die, a punching groove is formed in the lower die, an el...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MA YUHU, WANG ZHIYUAN, ZHU BANGYUAN, XIAO FANGHONG, LI HAO, TIAN HUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS POLISHING PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The invention provides a heat dissipation hole punching device. The heat dissipation hole punching device comprises a lower die; an upper die and a driving mechanism used for driving the upper die to move up and down are installed on the lower die, a punching groove is formed in the lower die, an elastic ejecting piece used for ejecting a workpiece is installed in the punching groove, and a fixing column is installed on the side, close to the lower die, of the upper die. A punching rod and a driving part used for driving the punching rod to rotate are installed on the side, close to the lower die, of the fixing column, a cavity is formed in the punching rod, an opening communicating with the cavity is formed in the periphery of the punching rod, and a grinding rod and an adjusting part used for adjusting the grinding rod to go in and out of the opening are installed in the cavity. The invention provides a heat dissipation hole punching device. The problem that burrs in punched heat dissipation holes are incon