SU18627A1 - Machine for rounding the ends of the thrust pins of gauges, etc. items - Google Patents

Description

To round off the end of the workpiece, hardened in a rotating spindle, a grinding bar with a flat working surface, rotatable on a vertical axis, was used; wherein the headstock carrying the spindle is pivoted for pre-sharpening the end of the object on the cone and receives feed through an associated eccentric washer abutting into a fixed arc.

In the drawing of FIG. 1 is a front view of the machine; FIG. 2 - side view; FIG. 3 - view from above.

The spindle 1 rotating in the pivoting around the vertical axis of the headstock 2 carries the cartridge 3 at one end for securing the object 4 to be machined, and the pulley 5 at the other end, which through the flexible coupling 6 receives nodalpie from the pulley 7 fixed on the wheel 8. The last the grandmother 2 also rotates and is equipped with a screw 9, coupled with a worm wheel 10, on which is fixed an eccentric washer II connected with a washer 12 abutting a fixed arc 13 mounted on racks 14-14 screwed on rails 15- 15, what is the worm wheel associated with headstock 2. The roller 8 when

the aid of the sleeve 16 is connected to one end of the flexible shaft 17, the second end of which is fixed in the sleeve 18 (Fig. 3) carrying the pulley 19, transmitting through the flexible coupling 20 rotation of the pulley 21 fixed on the same axis with the grinding wheel 22 intended for sharpening the tapered end of the workpiece 4. The spring rod 23 (Fig. 3) serves to press the headstock 2 together with the spindle 1 and the work items 4 to the grinding wheel 22, and to hold the headstock 2B in a position parallel to the guide 15-15, not shown in the drawing ruzyne incoming rod in the hole made in the guide. To round off the end of the object being processed, a device is used consisting of a stand 25 (Fig. 2), on which a fastener 27 is rotatable on a vertical axis 26, pressed by a spring 28 and carrying a grinding bar 29 with a flat working surface, the spring tension being adjusted screw 30.

For pre-sharpening the tapered end of the item to be processed 4, the headstock 2 is mounted rotatably around a vertical axis, as indicated in FIG. 3, and is pressed against the spring rod 23 to the grinding wheel 22, which, when rotated, produces sharpening. Thereafter, the work piece 4, together with the rotating spindle 1 and the headstock 2, is mounted parallel to the guide 15, as indicated in FIG. 1, and through the rotating roller 8, the worm gear 10, the pincers 11 and 12, and the arc 13 receive feed towards the spring bar 28, the grinding bar 29, which in this case deviates the result of which the end of the workpiece is rounded.

The subject of the patent.

1. A machine for rounding the ends of the thrust pins of measuring instruments, etc. of objects, characterized in that as a processing tool for rounding the end of the object being processed,

the captive at the end of the rotating spindle 1, moving together with the head 2 on the rails 15, was applied a rotary bar 29 with a flat working surface that was pivoted on the axis 26 and pressed by the spring 28.

2. The shape of the machine described in claim 1, characterized in that the headstock with the spindle for the object being machined is rotatable around an axis parallel to the axis 26 of rotation of the grinding bar to pre-sharpen the tapered end of the object being processed in the usual way by means of a grinding wheel 22.

3. When characterized in clauses. 1 and 2, the machine is used to move the headstock 2 connected to the latter, and rotated through a transmission from the drive of an eccentric washer 11, abutting by means of an intermediate washer 12 into the fixed arc 13.