Hydraulic fixing pin extrusion punching device of double-action extruder

The utility model belongs to an extrusion perforation device of dual-drive extruding press hydraulic fixing pin in nonferrous metal extrusion industry, which is characterized in that the inner sleeve of a perforating piston 3 is contained in the inner cavity of a main piston 2 of a main cylinder 1,...

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Bibliographische Detailangaben
Hauptverfasser:	DAXANG YANG, XIAOHUI QUAN, BINGTAO HAN
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model belongs to an extrusion perforation device of dual-drive extruding press hydraulic fixing pin in nonferrous metal extrusion industry, which is characterized in that the inner sleeve of a perforating piston 3 is contained in the inner cavity of a main piston 2 of a main cylinder 1, a moving crosshead 6 fixes the cylinder cover of a perforation cylinder through a pressing cove 5, a perforation needle 8 guides in an extruding pressing axel 7, and the perforation needle 8 is connected with a perforation piston rod through a perforation needle seat 4. The extrusion perforation device of dual-drive extruding press hydraulic fixing pin has the advantages of compact structure, good rigidity, high guiding precision of perforation needles, flexible and precise place control of the perforation needles, protective function of equipment, and at the same time good quality of extruding press products.