SU1537479A1 - Arrangement for machining spherical surfaces of optical parts - Google Patents

Abstract

This invention relates to the processing of optical parts with abrasive tools. The device provides improved quality and productivity of processing by reducing the time for processing parts. The device has a pressure element, installed equidistantly with the spherical surface being processed and transmitting force to the pusher 3, the actuator 15 moving the tool through the part, and the moving mechanism. The offset of the tool at a certain angle causes the pusher 3 to move halfway through this angle, which provides a clamping force to the tool in the center of its area of contact with the part and directs this force along the normal to the work surface. 4 il.

Description

315

The invention relates to abrasive machining and can be used for finishing machining optical lenses.

The purpose of the invention is to improve the quality and productivity of processing sav by reducing the time for processing parts.

Figure 1 shows the device, a general view; FIG. 2 is a view A of FIG. 1; on fig.Z - view B in figure 2; Fig.4 is a view In fig.Z.

The device consists of a clamping link 1 installed in the guides 2 and in contact with the pusher 3. The latter includes a wheel 5 mounted on the axis 4, a housing 6 with a camera 7, a gaarik 8. On the housing b there is a sleeve 9 rigidly connected to the axis 10 rod 11 pusher 3. The pusher is mounted on the non-working surface of the tool 12, which by means of balls 13 is connected with the output link 14 of the actuator 15, mounted on the spindle 1 b. The tool is mounted on the part 17 fixed on the spindle 18. Between the upper 19 and lower 20 rails, a movement mechanism is installed in the guides 21, including a housing 22 and gears 25 and 26 mounted on the axles 23 and 24. Instrument G surfaces 12, D of the pressure link 1 and processed

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Claims (1)

The invention of the device for processing the spherical top of the part 17 is concentric. The device works as follows. Instrument surfaces of optical components are installed on detail 17, containing a pusher mounted for movement along the axis of rotation of the spindle of the part, a mechanism for moving the pusher and the performer45 Step 12, the pusher 3 and the link 1 fixed in the guides 2 and include the rotation of spindles 16 and 18. The output link 14 through the balls 13 rotates the rotating tool 12 around the center of the spherical surface of the workpiece. At the same time, the bottom rail is rigidly fixed on the output link 14, the rail 20, which rotates the gears 25 sf) and 26 of the movement mechanism. The latter is installed with the possibility of displacing in the guides 21 only along the axis of the spindle 18. Under the action of the spring 27, the top rail 19 meshes with the gear 26 and displaces the rod 11 rotating on the axis 10 in the direction of displacement of the output link 14. 55 A mechanism, the output link of which is intended to interact with the non-working surface of the tool, characterized in that, in order to improve the quality and productivity of the processing, the device is equipped with a bar, kinematically connected with a pusher, installed with the possibility of oscillating movement and intended to contact the non-working tool surface, and the mechanism for moving the pusher in the form of a pair of gears and two gear rails meshed into one another, one of which is mounted on the trouser 0 five 0 the movement of the pusher 3j, which, through the rotating wheel 5 and the gaaric 8 mounted on the axis 4 in the casing 6, transmits the pressure applied to the link 1: the force on the tool 12. To reduce the friction forces between the casing 6 and the ball 8, the latter contacts the lubricating fluid in chamber 7 under slight pressure. Since the diameter of gear 26 is twice the diameter of gear 25, the linear speed of movement of the pusher 3 is two times lower than the linear speed of movement of the tool 12, which leads to the displacement of the pusher 3 by an angle two times smaller than the angle of displacement of the tool. As a result, the pusher and tool will be displaced by different magnitudes along the axis of the spindle 18. To maintain a constant distance between the axles of the pusher bar 11 and the output link 14, a spring 27 is used and the sleeve 9 freely movable along the body 6 of the pusher. The proposed design of the device makes it possible to continuously apply a pressing force in the center of the area of contact of the tool with the part and along the normal to the spherical surface being machined. As a result, a more symmetrical pressure diagram takes place, which contributes to a uniform 35 I will remove material of a detail. Claims Spherical processing apparatus ) The mechanism, the output link of which is designed to interact with the non-working surface of the instrument, characterized in that, in order to improve the quality and productivity of the processing, the device is equipped with a rod, kinematically connected with a pusher, installed with the possibility of oscillating movement and intended to contact non-working surface of the tool, and the mechanism for moving the pusher, is complete in the form of a pair of gears hooked into one another and two toothed racks, one of which is mounted on a piece515374796 a friend's friend — on the output link, the sparks are kinematically connected through complementary mechanism, while / kinematically reiki specified gears .. / J W- / 4 didb Fig.z Compiled by V.Malanichev Editor A. Motyl Tehred M. Didyk Order 135 Circulation 589Subscribe VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35 ,. Raushsk nab. 4/5 Production and Publishing Combine Patent, Uzhgorod, st. Gagarin, 101 1 idd Proofreader M, Kucher VA