SU975343A1

SU975343A1 - Apparatus for working optical part surfaces

Info

Publication number: SU975343A1
Application number: SU813257600A
Authority: SU
Inventors: Игорь Павлович Филонов; Владимир Макарович Климович; Марина Игоревна Филонова; Игорь Викторович Балуев
Original assignee: Белорусский Ордена Трудового Красного Знамени Политехнический Институт
Priority date: 1981-03-10
Filing date: 1981-03-10
Publication date: 1982-11-23

Description

Изобретение относится к абразивной обработке и может быть использовано в < приборостроении при изготовлении оптических деталей с вогнутыми и выпуклыми поверхнос тями.The invention relates to abrasive processing and can be used in instrumentation in the manufacture of optical parts with concave and convex surfaces.

Известно устройство для обработки плоских поверхностей детали, размещенных в гнездах сепаратора, установленного между двумя вращающимися в разные стороны дисками с торцовыми рабочими поверхнос- _fтями соосно шпинделями их вращения и связанного с приводом с возможностью вращения со скоростью, отличной от скорости вращения нижнего диска С1 ]. _; A device is known for processing flat surfaces of a part placed in the slots of a separator mounted between two disks rotating in opposite directions with end working surfaces _f coaxially with their spindles of rotation and connected to the drive with the possibility of rotation at a speed different from the speed of rotation of the lower disk C1] . _;

Недостатком данного устройства является невозможность одновременной двусторонней обработки оптических деталей.The disadvantage of this device is the impossibility of simultaneous two-sided processing of optical parts.

Цель изобретения - расширение технологических возможностей устройства.The purpose of the invention is the expansion of technological capabilities of the device.

Поставленная цель достигается тем, что устройство снабжено дополнительными элементами в виде тел вращения с криволинейной образующей, предназначенные ми для взаимодействия с одной из. обрабатываемых поверхностей я расположенными в канавке, выполненной в нижнем диске, а рабочая поверхность верхнего диска образована кривой, несимметричной относительно осей отверстий сепаратора.This goal is achieved in that the device is equipped with additional elements in the form of bodies of revolution with a curvilinear generatrix, designed to interact with one of. the machined surfaces are located in a groove made in the lower disk, and the working surface of the upper disk is formed by a curve asymmetric with respect to the axes of the separator holes.

На фиг. I показано устройство, продольный разрез; на фиг. 2 - разрез А-А на фиг. 1; на фиг. 3 - вид Б на фиг. 1 (со снятым верхним диском).In FIG. I shows a device, a longitudinal section; in FIG. 2 is a section AA in FIG. 1; in FIG. 3 is a view B in FIG. 1 (with the upper disc removed).

Предлагаемое устройство состоит из обрабатываемых деталей 1, установленных в отверстиях сепаратора 2, инструментального диска 3, дополнительных инструментов 4 и диска 5 с рабочей канавкой, в которой расположены инструменты 4.The proposed device consists of machined parts 1 installed in the holes of the separator 2, tool disk 3, additional tools 4 and disk 5 with a working groove in which the tools 4 are located.

Устройство работает следующим образом,The device operates as follows,

При снятом (поднятом) диске 3 уста_2Q навливаюг в канавку диска 5 дополните- льные инструменты 4 (шарики, ролики), ^:· на которые через отверстия в сепараторе 2 устанавливают обрабатываемые детали I, после чего верхний диск 3 опус3 975343 кают до соприкосновения его рабочей поверхности с деталями, создают требуемое' рабочее давление путем сближения рабочих поверхностей дисков 3 и 5 и сообщают вращение дискам 3 и 5 в противоположных направлениях со скоростями iOg. При вращении диска 5, кинематически связанного с сепаратом 2, последний’ вращается с угловой скоростью ^2^S_2*' .1 вращаются вокруг оси вращения сепаратора 2 со скоростью, равной скорости центров шариков (дополнительных инструментов 4) , которые обкатываются по рабочим поверхностям диска 5. Таким об10 при этом обрабатываемые детали /разом обеспечивается равенство скоростей в переносном движении инструментов 4 и обрабатываемых деталей I. В отно- , сительном движении инструменты 4 вращаются вокруг осей п' и Ь' (фиг. 1, и 2), чем обеспечивается обработка одной криволинейной поверхности деталей 1. Обработка другой криволинейной поверхнос ти происходит в процессе вращения диска 3. При этом форма его рабочей поверхности, которая соответствует форме обрабатываемой криволинейной поверхности и несимметрична относительно оси симметрии детали 1, обеспечивает вращение последней за счет сил трения вокруг соб-³⁰ ственной оси симметрии, в результате чего происходит формирование поверхности, контактирующей с диском 3 (фиг. 1) и способстуег улучшению качества обработки ее другой поверхности, контакти- 35 . руюшей с инструментом 4.With the removed (raised) disk 3, the mouth _{2Q is} poured into the groove of the disk 5 with additional tools 4 (balls, rollers) ^: · onto which the machined parts I are installed through the holes in the separator 2, after which the upper disk 3 of the lowering 3 975343 is staked until it touches it the working surface with the parts, create the required working pressure by converging the working surfaces of the disks 3 and 5 and report the rotation of the disks 3 and 5 in opposite directions with the speeds iOg. During the rotation of the disk 5 kinematically connected with the separator 2, the latter 'rotates with an angular velocity ^ 2 ^S_ 2 *' .1 rotate around the axis of rotation of the separator 2 with a speed equal to the speed of the centers of the balls (additional tools 4), which run around the working surfaces of the disk 5. In this way, the machined parts / at the same time ensure equality of speeds in the portable movement of the tools 4 and the machined parts I. In relative relative motion, the tools 4 rotate around the axes n 'and b' (Figs. 1, 2), which ensures processing about discharge of the curved surface parts 1. Processing other curvilinear poverhnos ti occurs during rotation disk 3. The shape of its surface, which matches the shape of the curved surface and the treated asymmetric with respect to the axis of symmetry of the part 1, provides rotation of the latter by friction forces around sob- ³⁰ axis of symmetry, resulting in the formation of a surface in contact with the disk 3 (Fig. 1) and a method for improving the quality of processing of its other surface, contact 35. ruyusha with a tool 4.

Инструменты 4 могут быть изготовлены, например, методом порошковой металлургии с соответствующей добавкой абразивного порошка. ⁴⁰ Tools 4 can be manufactured, for example, by powder metallurgy with the appropriate addition of abrasive powder. ⁴⁰

После обработки вращение дисков 3 и 5 прекращается, диск 3 поднимается вверх, обеспечивая доступ к обработанным деталям, которые выгружают и на их место загружают новые, необработанные, 45 после чего диск 3 опускают, и движения повторяются.After processing, the rotation of the disks 3 and 5 is stopped, the disk 3 rises up, providing access to the machined parts that are unloaded and new, unprocessed ones are loaded in their place, 45 after which the disk 3 is lowered, and the movements are repeated.

Предлагаемое устройство имеет простую конструкцию, включающее небольшое число подвижных соединений и не требующую сложного движения инструментов.The proposed device has a simple design, including a small number of movable joints and not requiring complex movement of tools.

Предлагаемое устройство для обработки криволинейных поверхностей обеспечивает повышение производительности за счет устранения трудоемкой операции крепления деталей путем.наклейки на приспособление при их раздельной обработке, а также способстуег улучшению качества обработанных изделий.The proposed device for processing curved surfaces provides increased productivity by eliminating the time-consuming operation of fastening parts by sticking on the device with their separate processing, as well as a way to improve the quality of the processed products.

Claims

The invention of ognosigs for abrasive machining and can be used in instrument engineering in the manufacture of optical parts with concave and convex surfaces. A device for processing flat surfaces of a part is known, which is located in the sockets of a separator mounted by two rotating disks with end-face working axially coaxially with spindles of their rotation and cV | Yazaiky with a rotational drive with a speed different from the speed of rotation of the lower one. gi disk,. The disadvantage of this device is the impossibility of simultaneous double-sided processing of optical parts. The purpose of the invention is to expand the hechcological capabilities of the device. The goal is achieved by the fact that the device is equipped with additional elements in the form of rotation bodies with a curvilinear generator, designed to interact with one of the machined surfaces and located in a groove made in the lower disk, and the working surface of the upper disk is formed by a curve that is asymmetric with respect to the axes hole separator. FIG. I shows the device, a longitudinal section; in fig. 2 shows a section A in FIG. I; in fig. 3 is a view B in FIG. I (with the upper disk removed). The proposed device consists of machined parts I installed in the holes of the separator 2, the tool disk 3, additional tools 4 and disk 5 with a working groove in which the tools 4 are located. The device works as follows. When removing (lifting) the disk 3 is installed in the groove of the disk 5, add-on. The full tools 4 (balls, rollers), on which through the holes in the separator 2, install de Tajra I, after which the upper disk 3 opus397 Kayug before contacting its working surface with the parts, create the required working pressure of the approach working surfaces of the disks 3 and 5 and inform the rotation of disks 3 and 5 in opposite directions with speeds uog. When the disk 5, which is kinematically associated with the separator 2, rotates, the latter rotates at an angular speed and, 2, while the workpieces, 1 rotate around the axis of rotation of the separator 2 at a speed equal to the speed of the centers of the balls (additional tools 4) that run around the working surfaces of the disk 5. In this way, the velocities in the portable movement of the tools 4 and the machined parts t are ensured. In relative movement, the tools 4 are turned, “T (/.,” are scattered around the axes n and b (Fig. I, and 2J, what provides The rejection of one curved surface of the parts I. The processing of another curved surface occurs during the rotation of the IKB dis 3. At this, the shape of its working surface, which corresponds to the shape of the curved surface being processed and is asymmetrical about the axis of symmetry of the part I, provides rotation. friction forces around its own axis of symmetry, resulting in the formation of the surface in contact with the disk 3 (Fig. I) and helps to improve the quality of processing of its other surface, contact. hands with tool 4. Tools 4 can be made, for example, by powder metallurgy with the appropriate addition of abrasive powder. After processing, the rotation of the disks 3 and 5 is stopped, the disk 3 rises up, providing access to the processed parts, which load and load new, untreated parts, 34, after which the disk 3 is lowered, and the movements are reversed. The proposed device had a simple construction, including its small number of mobile connections and not requiring complicated movement of tools. The proposed device for processing curved surfaces provides increased productivity for. ..P ™ fastening parts by means of stickers on the device when they are separately processed, and also contributes to the improvement of the quality of processed products. The invention of the device for processing the surface of the optical parts, placed in the holes of the separator, mounted between two rotating in different directions discs with end working surfaces coaxially with the spindle of their rotation and associated with the drive, .. v. D JO1 can be rotated at a speed different from the speed of rotation of the lower disk, characterized in that, in order to expand the technological capabilities of the device by -., / Providing two-sided processing of de HF G TGOTYuGTGL ntt T / frtf-tt f trtrfwr About to f hoists with curvilinear surfaces, it is equipped with additional elements in the form of rotation bodies with a crookedly linear oracle, designed to interact with one of the machined surfaces and located in the groove in the lower disk and the working surface a disc formed by the curve of asymmetric ,, in relative axes separator openings. Sources of information taken into account in the examination of I, USSR Author's Certificate No. 6О2357, cl. B 24 B 37 / O4, 1975.