DRAWING DEVICE AND DRAWING SYSTEM

Disclosed in the present invention are a drawing device (100) and a drawing system (200). The drawing device (100) comprises a plurality of drawing pieces (10) and a support piece (40). Each drawing piece (10) comprises a first end (101) and a second end (102); the first end (101) is fitted to a bot...

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Bibliographic Details
Main Authors WANG, Jixin, LIU, Weichen, LI, Peng, JIAN, Baoguo, DENG, Wenjie, ZHANG, Shulin
Format Patent
LanguageChinese
English
French
Published 22.06.2023
Subjects
COMBINED OPERATIONS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
TRANSPORTING
UNIVERSAL MACHINE TOOLS
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Summary:Disclosed in the present invention are a drawing device (100) and a drawing system (200). The drawing device (100) comprises a plurality of drawing pieces (10) and a support piece (40). Each drawing piece (10) comprises a first end (101) and a second end (102); the first end (101) is fitted to a bottom end of a valve seat (20); the second end (102) is connected to a driving piece (30); the plurality of drawing pieces (10) are arranged in a pump cavity (201) of the valve seat (20), and the plurality of drawing pieces (10) are arranged at intervals in the circumferential direction of the pump cavity (201); the support piece (40) is provided on the inner sides of the plurality of drawing pieces (10) and stressed to abut against the drawing pieces (10) so as to define a radial displacement between the first end (101) of the drawing piece (10) and the valve seat (20). Sont divulgués dans la présente invention un dispositif d'étirage (100) et un système d'étirage (200). Le dispositif d'étirage (100) comprend une pl
Bibliography:Application Number: WO2022CN134104