Blowing needle structure

The utility model provides a blowing needle structure which comprises a blowing needle, a blowing rod is arranged in the blowing needle in a penetrating mode, the blowing rod is provided with a blowing channel in the axial direction, the air outlet end of the blowing rod is arranged on the inner sid...

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Bibliographische Detailangaben
Hauptverfasser:	WANG WEI, PAN KAI, WEI ZAIHUA, ZHU ZHENGCHAO, HUANG ZHEN, WANG WEIHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The utility model provides a blowing needle structure which comprises a blowing needle, a blowing rod is arranged in the blowing needle in a penetrating mode, the blowing rod is provided with a blowing channel in the axial direction, the air outlet end of the blowing rod is arranged on the inner side of the blowing needle, a silencer is arranged at the air outlet end of the blowing needle, an air outlet hole communicated with the blowing channel is formed in the silencer, and the air outlet hole is communicated with the blowing channel. The hole diameter of the air outlet hole is gradually reduced in the air outlet direction, and the minimum hole diameter of the air outlet hole is smaller than the hole diameter of the blowing channel. According to the blowing needle structure provided by the utility model, the air outlet end of the blowing rod is arranged inside the blowing needle, the silencer is arranged at the air outlet end of the blowing needle, and the air outlet hole which is gradually reduced along th