Detachable EVA (Ethylene Vinyl Acetate) sun punching cutting die

The utility model relates to the field of punching cutting dies, in particular to a detachable EVA (Ethylene Vinyl Acetate) sun punching cutting die. The technical problems that in the using process of the punching cutting die, due to the fact that regular maintenance is tedious, the production effi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PEI YONGQIANG, ZHONG HAI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model relates to the field of punching cutting dies, in particular to a detachable EVA (Ethylene Vinyl Acetate) sun punching cutting die. The technical problems that in the using process of the punching cutting die, due to the fact that regular maintenance is tedious, the production efficiency and quality are reduced, and due to position deviation or abnormal lead incoming material form, holes cannot be placed in the holes, and leads are bent are solved. According to the technical scheme, the detachable EVA sun punching cutting die comprises an upper cutter assembly and further comprises a fixing ring and a lower cutter assembly. According to the utility model, the upper cutter assembly and the lower cutter assembly are arranged, so that a lead is prevented from being bent due to the problem of aperture alignment in the process of lead exposure and blanking of a photovoltaic panel after blanking is completed, the shape of a punching cutter die can be changed, the problem of perforation failure cau