SU662161A1 - Ultrasonic unit for unlocking optical components - Google Patents

Description

(54) ULTRASONIC INSTALLATION FOR UNLOCKING OPTICAL PARTS

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The invention relates to the field of optical-mechanical industry, for example, ultrasonic unlocking opti | eckey details.

In the production of optical parts, they are processed on blocks, which are pre-glued to the processed .Optical. Details.

Devices are known for unlocking optical optical workpieces in liquid solvents, comprising a magnetostrictive transducer, a bath, an optical device with optical components and a pressing mechanism, a working fluid 1.

The disadvantages of this device are; low productivity due to the low rate of separation of optical components from the gluing device, the destructive effect of the cavitating liquid on the surface of optical components.

The aim of the invention is to increase the productivity of the unlocking process.

For this, the installation for unlocking the optical parts, containing an ultrasound transducer with an active element, a adhesive device with optical components and a pressing mechanism for the adhesive device for the activating element, closed on a fixed base, is provided with a receiving device with a toothed rack placed on the thrust platform of the preload mechanism with the possibility of reciprocating movement in the vertical and horizontal plane x.

The device is equipped with a vertically positioned toothed rack, connected to the base by a control system of the pressing mechanism and a system of interconnected gears mounted on the platform of the pressing mechanism.

The receiving device is made in the form of a cassette, the inner and outer parts of which are connected by an axis, and its part has an internal rotation limit stop. The receiving device moves reciprocatingly in a vertical plane together with an axial platform of the pressing mechanism, and horizontally - along an axial platform through the interaction of two said gear racks through a system of interconnected gears in the process of raising and lowering the axial platform of the axle mechanism.

The control system of the pressing mechanism ensures the sequence of technological operations performed by the device in time, t; E. Determines the cycle of unlocking the optical parts of the type being processed, reducing the unproductive time costs to a minimum.

Optical parts located on the glue unit on the other hand hold an elastic material (foam rubber, sponge rubber), which ensures the removal of static electricity and the elimination of damage to the optical components after their separation from the adhesive tool.

FIG. 1 shows a general view of the proposed installation, in which the gluing tool is made in the form of a mushroom; in fig. 2 - the upper part of the proposed installation, which has a gluing tool made in the form of cha, shki; in fig. 3 - receiving device.

The receiving device 1 has a toothed rack 2 and is placed with the possibility of reciprocating motion on the supporting platform 3 of the pressing mechanism 4 along the guides 5. The receiving device consists of the inner 6 and outer 7 parts connected by an axis 8. BE HE part 7 has a rotation limiter 9 interior 6.

Press the mechanism 4 to the active element 10 of the transducer 11 ultrasonic vibrations preloaded adhesive device 12, to which the adhesive structure 13 attached optical parts 14. Adhesive device 12 is installed Using the liner 15 in the receiving device 1.

Optical parts 14 glued to the glueing device 12, on the other hand, hold the elastic material 16, which, if the device 12 is made in the form of a cup (see Fig. 2), is glued to the insert 17.,.

If the gluing device is made in the form of a mushroom (see Fig. 1), then the elastic material 16 is glued to the liner 15, and the gluing device is fixed in the receiving device with a ring 18.

The clamping mechanism 4 is fixed on a fixed base 19. A gear rail 20 is attached to the base using a bracket 20, which engages with an extreme gear 22 of a system of interconnected gears 23 mounted on a bracket 24 mounted on an anvil platform 3. Second gear 25 systems gears 23 engages with the toothed rack 2 of the receiving device 1. Pressing mechanism 4 except for the supporting platform 3, includes a pneumatic cylinder 26, an intermediate platform 27 and supports 28. Pneumatic cylinder 26 is connected to system 29 30, which includes electropneumatic valves 31 and a control unit 32.

In the initial position, the abutment platform 3 is lowered, the receiving device 1 is in the extended position (relative to the active element 10) position and its inner part 6 with the liner 15 is rotated relative to the outer part 7 by, the angle defined by the rotation limiter 9. In this position the operator installs the adhesive device 12 with the optical parts 14 into the inner part of the receiving device and rotates it to align with the outer part. After this combination of parts of the receiving device, the operator presses the start button (not shown in FIG. L) of the control unit 32. At the same time, the electrical signal goes to the electro-pneumatic valves 31. The valves switch so that the piston of the pneumatic cylinder 26 moves the screw under pressure of air.

0 Under the action of the piston of the pneumatic cylinder 26, the thrust platform 3 moves upward. In this case, the rack 21 drives the gear 22 to rotate, which through the interconnected gears 23, gear 25 and the rack 2 moves the receiving device along the guides 5 of the stop platform 3.

At the end of the movement, the receiving device is installed under the active element 10 of the ultrasonic transducer 11 so that when the thrust platform 3 is further raised, the adhesive device 12, which is located in the receiving device, is aligned with the active element and presses towards it, providing acoustic contact of the active element with the on - glue fixture m.

Then the control system 30 turns on the ultrasonic oscillation transducer, the ultrasonic vibrations are excited in the gluing device and after a set time for which the time relay is configured (not shown in Fig. 1) of the control system, the glue structure 13 is destroyed. After that, the control system turns off the converter 11.

Optical parts 14, separated from

 the attachment device 12 is prevented from interfering with the elastic material. 16. The control system 30 then switches the valves 31, the supporting platform 3 moves downwards. Wherein

0, the receiving device with the gluing device is pressed from the active element 10 and together with the supporting platform 3 is lowered ..,

With the lowering of the thrust platform, is rotated from the rack 21

 gear 22, which through gears 23, gear 25 and the toothed rack 2 moves (pushes) away from the active