SU32884A1 - Chuck with tools for changing drills and shooting it from the spindle of the machine - Google Patents

Description

A drill chuck is offered, the removal of drills from which, as well as its filming from the machine spindle, is carried out by turning it to the appropriate side of its outer nut.

In FIG. 1 depicts a view of the proposed cartridge in axial section; FIG. 2, 2, 3, 3, 4, 4-view of its individual parts in two projections.

The proposed cartridge consists of a shank / equipped with a cone for the machine spindles and a tapered FHesJiOM for J3 drills. In its middle part, the shank is provided with a window 2 for crackers 3 (FIG. 4) of the sleeve 5, provided at the edges with threading of the nut 8 of FIG. 3). The cracker 5 is placed in the windows 4 of the sleeve 5, mounted on the middle cylindrical part of the shank. On the shank, using its collar 9, its threaded part / (, nuts / 7 and screw J2 (Fig. I)) a pivotal nut 8 is fixed in which the sleeve 5, screwed to the shank 3 and screwed at the top with an upper threaded part 7, is threaded 6 (Fig. 2).

To remove the drill bit from the shank, the nut 8 is rotated to the right, with rusk 3, holding in the window 2 from rotation, moving downwards in it and pressing the drill bit 73 and pushing it out of the shank /. For shooting the cartridge with the spindle, the nut 8 is rotated to the left. The sleeve 5 then moves upward and, resting part 7 on the spindle head, pulls the cartridge out of it.

The subject matter of the invention.

Chuck with a device for changing drills and shooting it from the machine spindle, characterized by the use of a partially cut outside hollow sleeve 5, provided in the middle part with a diametrical rush 3 passed through to eject the drill, the top part 7 which sleeve 5 serves to shoot the cartridge with spindle machine by stopping it in the spindle with the axial movement of the sleeve by rotating the outer nut 8.

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