Pressing strip for controlling flow in die cavity of die head

The utility model provides a depression bar for controlling flow in a die cavity of a die head, which relates to the technical field of battery cell manufacturing and comprises a depression bar, a threaded half counter bore is arranged at the bottom end of the depression bar, a pin hole is arranged...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG YUZHOU, WANG KECHEN, ZHAO DEYUE, QIAO LONGLONG, LIU HAO, ZHAO ZIJIE, YAN XIAOFEI, HOU TINGHUI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model provides a depression bar for controlling flow in a die cavity of a die head, which relates to the technical field of battery cell manufacturing and comprises a depression bar, a threaded half counter bore is arranged at the bottom end of the depression bar, a pin hole is arranged on the inner side of the threaded half counter bore, and the depression bar corresponds to the die head in position through the arrangement of the threaded half counter bore and the pin hole. In the coating process and when a screw pump supplies materials to the die head, due to the fact that the space of the die cavities on the two sides is enlarged, the pressure in the die cavities is reduced, slurry can flow towards the two sides in an accelerated mode, the flow speed of the two sides is increased, and the flow speed of the middle is relatively reduced; the coating width can reach the process standard by accelerating the flow speed on the two sides, and the small-range trailing phenomenon caused by high flow spe