21-02-2019 дата публикации
Номер: WO2019033742A1
Принадлежит:
A machining fixture, comprising a left support (1), a right support (2), a fixing plate (3), a positioning plate (4), a movable plate (31), a plurality of chucks (5), a plurality of pressure mechanisms (6) and a pneumatic top plate mechanism (46); the movable plate (31) causes an upper end of a to-be-machined material to be clamped by means of the chucks (5) and positioning projections (18) that are symmetrically arranged on two sides of a lower surface of the positioning plate (4), while a lower end of the material to be machined is in contact with the movable plate (31) and may move upward under the drive of the movable plate (31) such that the material to be machined is fed automatically; by means of the clamped linkage of an air cylinder (47), a push block (51), a sliding block (50), a rack (49) and an arc-shaped clamping jaw (52) in the pneumatic top plate mechanism (46), the movable plate moves upward and drives the push block to move upward by means of a push rod of the air cylinder ...
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