Change frock of milling protection and gluing type at quarter

The utility model provides a change frock of milling protection and gluing type at quarter, it includes bracing piece, slewing mechanism, scale and the vernier cover of cover on this scale, slewing mechanism is including round pin axle, ratchet and locking Assembly, pivort fixation on the bracing piece and with ratchet fixed connection, scale overlap in this round pin axle axis of the epaxial duplex winding of round pin and rotate, and the ratchet teeth of ratchet is including the slope flank of tooth, the slope flank of tooth with the core wheel fastener angle of ratchet is the acute angle, and locking Assembly includes latch segment and kicking block, head and this slope flank of tooth butt of latch segment, and this latch segment and scale fixed connection, the kicking block passes through spring top in latch segment afterbody. The utility model discloses not only solve the problem that flexible nature is low that type flow at quarter that circular form protection glued type model at slow and quarter was suitable for various product, simultaneously because slewing mechanism's special construction, satisfied the requirement that the scale can be adjusted according to the thickness that the difference protection was glued at any time, and then improved the utilization ratio of this frock.