CN216608382U

CN216608382U - Optical element edge fillet processing device

Info

Publication number: CN216608382U
Application number: CN202220021296.5U
Authority: CN
Inventors: 王元康; 王光伟; 龚云辉; 周旭环; 吴绍华; 黄娅芳; 余晨娇; 董汝昆; 王一成
Original assignee: Yunnan North Optical Technology Co ltd
Current assignee: Yunnan North Optical Technology Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-05-27
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses an optical element edge fillet machining device which comprises an arc angle fine grinding tool which is driven by a motor and is adjustable in position, wherein an avoidance hole is formed in the fine grinding tool, a grinding part matched with the optical element edge fillet is arranged on the inner wall of the avoidance hole, a guide part is arranged on one side, close to an optical element, of the grinding part, and the grinding part and the guide part are both annular and are coaxially arranged with the avoidance hole. The optical element edge fillet processing device in this application, simple structure, easy and simple to handle, easily control uses this application device can improve production efficiency, reduction in production cost, to high-efficient production and high quality development, all has apparent beneficial effect. All technical indexes such as angle tolerance, surface roughness and the like of the circular arc angle of the edge of the optical fiber image inverter processed by the method meet the requirements of drawings.

Description

Optical element edge fillet processing device

Technical Field

The utility model relates to the technical field of processing of optical elements, in particular to a device for processing an edge fillet of an optical element.

Background

With the continuous development of optical industry, many optical elements made of novel materials and having special shapes are applied more and more widely in optical systems. However, because some optical elements, such as optical fiber image inverter, have special shapes, they bring great difficulty to the processing, and their main characteristics are: the upper end face and the lower end face of the optical fiber image inverter optical element are both planes, the upper end face is cut into steps, an R0.5 arc angle exists at the edge position of the small face, and the arc angle is a nonlinear oblique angle, so that a conventional chamfering grinding wheel cannot be adopted for processing, and the arc angle also needs to be polished, which brings great difficulty to the whole processing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that the conventional chamfering grinding wheel in the prior art cannot process circular arcs, and provides a device for processing the edge fillet of an optical element.

The purpose of the utility model is realized by the following technical scheme:

optical element edge fillet processingequipment includes the circular arc angle finish grinding apparatus that is driven by the motor, the position adjustable, be provided with on the finish grinding apparatus and dodge the hole, it is provided with the portion of polishing with optical element edge fillet looks adaptation to dodge downthehole wall, the portion of polishing is close to one side of optical element and is provided with the guide part, portion of polishing and guide part all be annular and with dodge the coaxial setting in hole.

Preferably, the avoiding hole is a through hole.

Preferably, the avoiding hole is a blind hole, and a heat dissipation channel is arranged on the blind hole.

Preferably, the polishing portion surface is provided with a diamond layer.

Preferably, optical element fixes on anchor clamps, anchor clamps include the fixing base, be provided with two above jack catchs on the fixing base, be provided with the deformation clearance between the adjacent jack catchs, two above jack catchs set up around a straight line and form the tubular structure who is used for centre gripping optical element, tubular structure's diameter is increased gradually or is reduced gradually along the direction of keeping away from the fixing base, the cover is equipped with the regulation section of thick bamboo that can follow jack catch reciprocating motion on two above jack catchs, adjust a section of thick bamboo the axis with sharp coincidence, just the diameter of adjusting a section of thick bamboo is greater than tubular structure's minimum diameter, is greater than tubular structure's maximum diameter.

Preferably, the cylindrical structure is in threaded connection with the adjusting cylinder.

Preferably, the polishing device further comprises an annular polishing grinding tool which is driven by a motor and is adjustable in position, and a polishing auxiliary material layer is arranged on the outer side surface of the annular polishing grinding tool.

Preferably, the polishing auxiliary layer is felt.

Preferably, each motor is provided with a variable speed regulator.

Preferably, the outer side surface of the adjusting cylinder is provided with convex particles.

The utility model has the following advantages:

the optical element edge fillet processing device in this application, simple structure, easy and simple to handle, easily control uses this application device can improve production efficiency, reduction in production cost, to high-efficient production and high quality development, all has apparent beneficial effect. The optical fiber image inverter edge arc angle processed by the method can ensure that the surface roughness Ra is less than 0.4.

Drawings

FIG. 1 is a schematic structural diagram of an optical fiber inverter according to the present invention.

Fig. 2 is a schematic view showing the construction of a lapping abrasive tool according to the present invention.

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention.

Fig. 4 is a schematic structural view of the jig of the present invention.

Fig. 5 is a schematic structural view of the clamping jaw and the fixed seat in the utility model.

Figure 6 is a cross-sectional view of one jaw of the present invention.

Fig. 7 is a schematic view showing the structure of the polishing abrasive of the present invention.

FIG. 8 is a schematic structural diagram of an apparatus for edge rounding of an optical element according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Optical element edge fillet processingequipment includes the circular arc angle finish grinding tool 2 that is driven by the motor, the position adjustable, be provided with on the finish grinding tool 2 and dodge hole 21, dodge the hole 21 inner wall be provided with the portion of polishing 22 of optical element 1 edge fillet looks adaptation, the portion of polishing 22 is close to one side of optical element 1 and is provided with guide part 23, portion of polishing 22 and guide part 23 all be annular and with dodge the coaxial setting in hole 21.

The round angle processingequipment in optical element 1 edge in this application is applicable to the round angle to optical element 1 edge and polishes and polish, the polishing of specially adapted optic fibre image inverter edge circular arc angle, the position that the during operation optic fibre image inverter was treated to polish is arranged in and is dodged hole 21, dodge the portion of polishing 22 in the hole 21 and the diameter looks adaptation that the optic fibre image inverter was treated to polish the position for optic fibre image inverter is being polished out the round angle with the continuous relative pivoted in-process of finish grinding apparatus 2.

In order to conveniently adjust the relative position of an optical element 1 such as an optical fiber guide to be polished and the finish grinding tool 2, the optical element 1 is fixed, a guide portion 23 is arranged on one side, close to the optical element 1, of a polishing portion 22, the side enters an avoiding hole 21, the diameter of the guide portion 23 is gradually reduced along the direction close to the polishing portion 22 until the diameter of the guide portion is the same as that of an inlet of the polishing portion 22, on one hand, the guide portion 23 can play a role of guiding the portion 22 to be polished of the optical element 1 to be matched with the polishing portion 22 of the finish grinding tool 2, on the other hand, polished chip dust can be discharged from a gap between the optical element 1 and the finish grinding tool 2, and the influence of the polishing dust on polishing of the optical element 1 is reduced.

The finish grinding tool 2 in this application drives the rotation by the motor, for the convenience control slew velocity, can select the buncher, and wherein motor and grinding apparatus all can set up on a base, and the base can slide, sets up the slide rail below the base for example to drive finish grinding tool 2 and be close to or keep away from optical element 1 of treating processing. The attachment of the refiner grinding tool 2 to the motor is a matter of routine choice as required by the skilled person, for example the refiner grinding tool 2 may be provided with a clamp which is connected to the output shaft of the motor. The application chooses to place the finish grinding tool 2 in the workroom of the centering edging machine.

In this embodiment, the avoiding hole 21 may be a through hole.

In this embodiment, the avoiding hole 21 may be a blind hole, and a heat dissipation channel is disposed on the blind hole.

The avoiding hole 21 may be a through hole or a blind hole, but in consideration of heat dissipation of the device and discharge of dust generated by polishing, the avoiding hole is preferably a through hole, and if a blind hole is selected, a heat dissipation channel is preferably arranged on the blind hole for heat dissipation or discharge of generated powder.

In this embodiment, the surface of the polishing portion 22 may be provided with a diamond layer, so as to reduce the wear of the polishing portion 22 and prolong the service life of the finish grinding tool 2.

In this embodiment, optical element 1 can be fixed on anchor clamps 3, anchor clamps 3 include fixing base 31, be provided with more than two jack catchs 32 on the fixing base 31, be provided with the deformation clearance between the adjacent jack catchs 32, more than two jack catchs 32 set up around a straight line and form the tubular structure who is used for centre gripping optical element 1, the diameter of tubular structure increases gradually or reduces gradually along the direction of keeping away from fixing base 31, the cover is equipped with the regulation section of thick bamboo 33 that can follow jack catchs 32 reciprocating motion on the jack catchs 32 more than two, adjust a section of thick bamboo 33 the axis with sharp coincidence, just the diameter of adjusting a section of thick bamboo 33 is greater than tubular structure's minimum diameter, is greater than tubular structure's maximum diameter.

The clamp 3 can be used for fixing the optical element 1 and also for fixing the finish grinding tool 2, but if the finish grinding tool 2 is selected to be placed in a working chamber of the centering edging machine, the centering edging machine is provided with a device for fixing the finish grinding tool 2, and the clamp 3 does not need to be additionally arranged.

Treat optical element 1 of processing in this application and fix between two above jack catchs 32, because the diameter of adjusting a section of thick bamboo 33 is greater than tubular structure's minimum diameter, be greater than tubular structure's maximum diameter, and be provided with the deformation clearance between the adjacent jack catchs 32 for when adjusting a section of thick bamboo 33 and being close to or keeping away from fixing base 31, the one end that fixing base 31 was kept away from to jack catchs 32 can tighten up or relax, thereby will treat optical element 1 of processing and press from both sides tightly or relax.

In order to enable the clamping jaw 32 to stably clamp the optical element 1 to be processed relatively, the stress areas of the optical element 1 and the clamping jaw 32 can be increased, the clamping jaw 32 is provided with an elastic sheet 34, one end, close to the fixed seat 31, of the elastic sheet 34 is connected to the clamping jaw 32, when the elastic sheet 34 is not stressed, the distance between the elastic sheet 34 and the clamping jaw 32 in the direction close to the fixed seat 31 is increased, and when the optical element 1 is clamped, the elastic sheet 34 can be pressed on the surface of the optical element 1 under the effect of the elastic force, so that the stress area of the optical element 1 is increased.

In order to reduce the damage of the optical element 1 clamped by the clamping jaws 32 to the contact surface, a protective layer may be disposed on the inner side of the clamping jaws 32 or the inner side of the elastic sheet 34, and the protective layer may be made of cotton, rubber, polytetrafluoroethylene, or the like.

In this embodiment, the cylindrical structure and the adjusting cylinder 33 may be screwed together.

The inner surface of the adjusting cylinder 33 is provided with internal threads, and the outer surface of each clamping jaw 32 is provided with external threads matched with the internal threads of the adjusting cylinder 33, so that the adjusting cylinder 33 can rotate relative to the cylindrical structure to adjust the diameter of the cylindrical structure formed by the clamping main.

In this embodiment, the polishing device may further include an annular polishing grinding tool 4 driven by a motor and having an adjustable position, and the outer side surface of the annular polishing grinding tool 4 is provided with a polishing auxiliary material layer 41.

After the optical element 1 is polished, the polished round part needs to be polished, and during polishing, the angle between the optical element 1 and the polishing abrasive tool can be adjusted, so that the polishing auxiliary material layer 41 on the outer circular arc surface of the polishing abrasive tool is in contact with the optical element 1.

The polishing grinding apparatus in this application drives the rotation by the motor, for the convenience control slew velocity, can select the buncher, wherein motor and polishing grinding apparatus all can set up on a base, the base can slide, also can rotate, when the grinding apparatus adjusts the assigned position, can fix the base through positioner, wherein slide, rotate, fix a position technical staff in the field and can select as required, for example set up the pivot below the base, the pivot below sets up the slide rail, thereby drive the polishing grinding apparatus and be close to or keep away from optical element 1 of treating processing. The connection between the polishing grinding tool and the motor is selected by the person skilled in the art according to the needs, for example, the polishing grinding tool can be provided with a clamp 3, and the clamp 3 is connected with the output shaft of the motor. The application chooses to place the polishing abrasive tool in the workcabin of the centering edging machine.

In this embodiment, the polishing auxiliary material layer 41 may be a felt, and the polishing auxiliary material layer 41 needs to be sufficiently attached to the round portion of the optical element 1 to improve the polishing effect, so that the felt or a felt-like component having a certain deformability after being applied with a force is selected.

In this embodiment, each motor can be correspondingly provided with a variable speed regulator, so that the rotation speed of the fine grinding tool 2 and the annular polishing tool 4 can be conveniently adjusted.

In this embodiment, the outer side surface of the finish grinding tool 2 or the adjusting cylinder 33 may be provided with protruding particles to increase friction force, thereby facilitating operation.

The method for processing the optical element 1 by adopting the optical element 1 edge fillet processing device in the application is as follows, taking an optical fiber image inverter as an example, and comprises the following specific steps: installing a clamp 3, a fine grinding tool 2, an annular polishing grinding tool 4 and a motor variable speed regulator on centering edging equipment, wherein an optical fiber image inverter is installed on the clamp 3, and screwing a regulating cylinder 33 to fix the optical fiber image inverter; adjusting the position of a finish grinding tool 2, aligning a polishing part 22 with a to-be-processed position of the edge of the circular outer circle of the optical fiber image inverter, starting a centering edge polishing device to enable the finish grinding tool 2 to rotate under the driving of a motor and feed the edge to the circular arc edge of the optical fiber image inverter for grinding to form a circular arc angle R, wherein the rotation speed of the finish grinding tool 2 is 60-80 revolutions per minute, the finish grinding time is 5-8 seconds, and then moving the finish grinding tool 2 to enable the finish grinding tool to be far away from the optical fiber image inverter to wipe residual grinding materials on the surface of the optical fiber image inverter; and adjusting the position of the annular polishing grinding tool 4, so that the polishing auxiliary material layer 41 on the outer arc surface of the polishing grinding tool is in contact with the arc edge of the optical element 1 and contact force is adjusted, wherein the rotation speed of the rotation of the annular polishing grinding tool 4 is 150-200 r/min, the polishing time is 6-8 minutes, polishing liquid can be added as required in the polishing process, the polishing liquid can be manually added, and after the polishing is finished, parts are taken out, cleaned and inspected.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. Optical element edge fillet processingequipment which characterized in that: include by the motor drive, the circular arc angle finish grinding apparatus of position adjustable, be provided with on the finish grinding apparatus and dodge the hole, it is provided with the portion of polishing with optical element edge circular angle looks adaptation to dodge downthehole wall, the portion of polishing is close to one side of optical element and is provided with the guide part, portion of polishing and guide part all be annular and with dodge the coaxial setting in hole.

2. The optical element edge rounding device according to claim 1, characterized in that: the avoiding hole is a through hole.

3. The optical element edge rounding device according to claim 1, characterized in that: the avoiding hole is a blind hole, and a heat dissipation channel is arranged on the blind hole.

4. The optical element edge rounding device according to claim 1, characterized in that: the surface of the polishing part is provided with a diamond layer.

5. The optical element edge rounding device according to claim 1, characterized in that: optical element fixes on anchor clamps, anchor clamps include the fixing base, be provided with two above jack catchs on the fixing base, be provided with the deformation clearance between the adjacent jack catchs, two above jack catchs set up around a straight line and form the tubular structure who is used for centre gripping optical element, the diameter of tubular structure increases gradually or reduces gradually along the direction of keeping away from the fixing base, the cover is equipped with the regulation section of thick bamboo that can follow jack catch reciprocating motion on two above jack catchs, the axis of adjusting the section of thick bamboo with the sharp coincidence, just the diameter of adjusting the section of thick bamboo is greater than tubular structure's minimum diameter, is greater than tubular structure's maximum diameter.

6. The optical element edge rounding device according to claim 5, characterized in that: the cylindrical structure is in threaded connection with the adjusting cylinder.

7. The optical element edge rounding device according to claim 1, characterized in that: the polishing auxiliary material layer is arranged on the outer side surface of the annular polishing grinding tool.

8. The optical element edge rounding device according to claim 7, wherein: the polishing auxiliary material layer is felt.

9. The optical element edge rounding device according to claim 7, wherein: each motor is correspondingly provided with a variable speed regulator.

10. The optical element edge rounding device according to claim 5, characterized in that: the outer side surface of the adjusting cylinder is provided with convex particles.