CN210081394U - Automatic polishing and grinding equipment for tapered optical fiber - Google Patents
Automatic polishing and grinding equipment for tapered optical fiber Download PDFInfo
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- CN210081394U CN210081394U CN201920616401.8U CN201920616401U CN210081394U CN 210081394 U CN210081394 U CN 210081394U CN 201920616401 U CN201920616401 U CN 201920616401U CN 210081394 U CN210081394 U CN 210081394U
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Abstract
The utility model provides an automatic grinding equipment of throwing of toper optic fibre, including throwing mill mechanism, throw mill shaft mechanism, CCD monitoring mechanism, eccentric accent in mechanism and throw the mill controller, throw mill mechanism including throwing the mill and the rotatory motor of drive throwing mill, throw mill shaft mechanism including the throwing mill shaft and the drive that the level set up throw mill shaft pivoted step motor, the front end of throwing the mill shaft has the fiber chuck, the fiber chuck orientation throw the mill, mechanism includes Z axle electric translation platform in the eccentric accent, throw the mill shaft and link to each other with the slider of Z axle electric translation platform, CCD monitoring mechanism is used for detecting the eccentric distance of fiber head for the rotation axis, and the throw mill controller is used for controlling the Z axle electric translation platform when throwing the mill and carry out real-time adjustment to the height of throwing the mill shaft. The utility model discloses can accomplish automatically and throw the mill process, reduce intensity of labour, and throw and grind the size uniformity good, production efficiency is high.
Description
Technical Field
The utility model relates to an optical fiber processing technology field especially relates to an automatic equipment of polishing of toper optic fibre.
Background
At present, the manufacturing method of the tapered optical fiber generally adopts the means of melting, tapering, mechanical polishing, laser cutting and the like to change the optical fiber in the axial direction to form a tapered region so as to realize the application in the fields of optical coupling, optical sensing, optical fiber devices and other research fields. The processing qualification rate of the melting tapering and laser cutting process is low, the consistency of the product is poor, and the secondary melting has influence on the structure of the optical fiber. Compared with the former two processing techniques, the mechanical polishing and grinding has the advantages of controllable processing size and processing precision, and the processing process has no influence on the structure of the optical fiber.
The common tapered optical fiber processing mode in the market at present is mechanical polishing, and polishing processing size and concentricity are manually controlled, so that the mechanical polishing has the following problems: 1. the consistency of polishing and grinding sizes is poor, and the polishing and grinding sizes are empirical and cannot be quantitatively controlled; 2. the technical requirements on workers are high, the labor intensity of the workers is high, and generally a skilled technician needs to be trained for more than 6 months.
In view of the above circumstances, it is necessary to change the backward production mode, and provide an automatic polishing and grinding device for tapered optical fibers, which has high automation degree and production efficiency and can improve the labor intensity.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic equipment of polishing and grinding of toper optic fibre aims at being used for solving current toper optic fibre machinery and throws the mill mode and need manual control, leads to throwing to grind the problem that size uniformity is not good, workman intensity of labour is big.
The utility model discloses a realize like this:
the utility model provides a conical optical fiber automatic polishing and grinding device, which comprises a polishing and grinding disc mechanism, a polishing and grinding shaft mechanism, a CCD monitoring mechanism, an eccentric center adjusting mechanism and a polishing and grinding controller, the polishing disc mechanism comprises a polishing disc and a motor for driving the polishing disc to rotate, the polishing shaft mechanism comprises a polishing shaft arranged horizontally and a stepping motor for driving the polishing shaft to rotate, the center of the polishing shaft is provided with an optical fiber hole extending along the axial direction, the front end of the polishing shaft is provided with an optical fiber chuck, the optical fiber chuck faces the polishing disc, the eccentric centering mechanism comprises a Z-axis electric translation table, the polishing and grinding shaft is connected with a slide block of the Z-axis electric translation table, the CCD monitoring mechanism is used for detecting the eccentric distance of the head part of the optical fiber relative to the rotating shaft, and the polishing and grinding controller is used for controlling the Z-axis electric translation table to adjust the height of the polishing and grinding shaft in real time during optical fiber polishing and grinding.
The active detection mechanism comprises a laser positioned behind the polishing shaft and an active detector positioned on one side of the polishing disc, and the active detector is used for detecting light output values of the polished conical optical fiber in all directions.
Furthermore, the polishing machine further comprises an X-axis electric translation table and a Y-axis electric translation table, the polishing disc mechanism and the active detector are fixed on a sliding block of the Y-axis electric translation table, and the Z-axis electric translation table is fixed on a sliding block of the X-axis electric translation table.
Furthermore, the active detector is fixed on a sliding block of the Y-axis electric translation table through a support, and an LED illuminating lamp is further fixed on the support.
Further, the CCD monitoring mechanism is fixed on a sliding block of the Z-axis electric translation table.
Furthermore, an optical fiber disc is arranged behind the polishing and grinding shaft, a flange plate is fixed on the optical fiber disc, one end of the flange plate is connected with the laser, and the other end of the flange plate is connected with a connector at the tail part of the optical fiber.
Furthermore, the polishing shaft mechanism further comprises a bearing sleeve and a bearing positioned in the bearing sleeve, an outer ring of the bearing is fixed with the bearing sleeve, and the polishing shaft penetrates through the bearing and is fixed with an inner ring of the bearing.
Furthermore, the polishing disc mechanism further comprises a polishing disc base and a polishing disc supporting seat, the polishing disc base comprises a bottom plate and two first side plates which extend upwards from the bottom plate, the tops of the first side plates are arc-shaped, the polishing disc base further comprises two second side plates which are attached to the inner sides of the two first side plates respectively and protrude upwards from the first side plates, guide posts are arranged on the outer sides of the second side plates, the polishing disc supporting plate comprises an installation plate and two third side plates which extend downwards from the installation plate, the bottoms of the third side plates are arc-shaped and matched with the tops of the first side plates, arc-shaped guide grooves are formed in the third side plates, and the guide posts extend into the guide grooves.
Furthermore, the guide groove is marked with a rotary scale.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides an automatic polishing and grinding device for conical optical fiber, which collects the projected image of the optical fiber head when the optical fiber rotates to all directions through the CCD monitoring mechanism and calculates the eccentric distance of the optical fiber head relative to the rotating shaft through image processing, the polishing and grinding controller controls the Z-axis electric translation table to adjust the height of the polishing and grinding shaft in real time according to the eccentric distance of the optical fiber when the optical fiber is polished and ground, so that the height of the optical fiber head is always consistent with the height of the central line when the polishing and grinding shaft is positioned at the polishing and grinding initial position, the whole polishing and grinding process acts smoothly, the formed conical optical fiber has good concentricity, the tapered optical fiber can be polished without precise centering after the optical fiber is clamped, an operator only needs to complete the processes of clamping up and clamping down, the labor intensity is reduced, the technical requirements on the operator are reduced, the operator can be on duty only through simple training, and the training cost is reduced; because the concentricity adjustment and the size control of the optical fiber are both quantitatively controlled by the polishing controller, the polishing process is automatically completed, the uniformity of the polishing size is good, and the production efficiency is high.
Drawings
Fig. 1 is a perspective view of an automatic polishing and grinding apparatus for tapered optical fibers according to an embodiment of the present invention;
fig. 2 is a side view of an automatic polishing and grinding apparatus for tapered optical fibers according to an embodiment of the present invention;
fig. 3 is a structural diagram of an active detection mechanism according to an embodiment of the present invention;
fig. 4 is a structural diagram of a polishing and grinding shaft mechanism provided by the embodiment of the invention;
fig. 5 is a structural diagram of a polishing disc mechanism provided by the embodiment of the present invention.
Description of reference numerals: the device comprises a base 1, a polishing and grinding disc mechanism 2, a polishing and grinding disc 21, a mounting plate 22, a third side plate 23, a guide groove 24, a base plate 25, a first side plate 26, a second side plate 27, a guide column 28, a polishing and grinding shaft mechanism 3, a polishing and grinding shaft 31, a bearing 32, a bearing sleeve 33, an optical fiber chuck 34, a CCD monitoring mechanism 4, an eccentric centering mechanism 5, an active detection mechanism 6, an active detector 61, a laser 62, a support 63, an LED illuminating lamp 64, an electric translation table 7-Y axis 8, an optical fiber disc 9 and a flange plate 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an automatic tapered optical fiber polishing and grinding apparatus, which includes a base 1, and a polishing and grinding disc mechanism 2, a polishing and grinding shaft mechanism 3, a CCD monitoring mechanism 4, an eccentric centering mechanism 5, and a polishing and grinding controller, which are disposed on the base 1, wherein the polishing and grinding disc mechanism 2 includes a polishing and grinding disc 21 disposed obliquely and a motor for driving the polishing and grinding disc 21 to rotate, the polishing and grinding shaft mechanism 3 includes a polishing and grinding shaft 31 disposed horizontally and a stepping motor for driving the polishing and grinding shaft 31 to rotate, a center of the polishing and grinding shaft 31 has an optical fiber hole extending axially for passing an optical fiber, a front end of the polishing and grinding shaft 31 has an optical fiber chuck 34 for fixing a front end of the optical fiber, the optical fiber chuck 34 faces the polishing and grinding disc 21, the optical fiber passes through the optical fiber hole of the polishing and grinding shaft 31 and penetrates out of the optical fiber chuck 34 by a certain length, and is, when polishing, the optical fiber head is positioned on the polishing disc 21, the polishing of the optical fiber head is realized through the rotation of the polishing disc 21, and the polishing of the optical fiber head in all directions is realized through the rotation of the polishing shaft 31, so that the tapered optical fiber is formed. The CCD monitoring mechanism 4 is positioned above the front end of the optical fiber chuck 34, namely, the CCD monitoring mechanism 4 is just right above the head of the optical fiber after the optical fiber is fixed, so that the projected image of the head of the optical fiber can be conveniently collected. The eccentric centering mechanism 5 comprises a Z-axis electric translation table, and the polishing shaft 31 is connected with a slide block of the Z-axis electric translation table, so that the polishing shaft 31 is driven to move up and down through the Z-axis electric translation table. CCD monitoring mechanism 4 includes CCD detector and image processing apparatus, the CCD detector is used for gathering tentatively throws the projection image of mill back optic fibre rotation optic fibre head when all directions, image processing apparatus is used for calculating the eccentric distance of optic fibre head for the rotation axis according to the projection image, throw and grind the controller and be used for controlling when throwing the mill Z axle electric translation platform is adjusted in real time the height of throwing mill axle 31 and is made the highly uniform of the central line when throwing mill axle 31 is in throwing mill initial position all the time with throwing mill axle 31, avoids leading to optic fibre because of optic fibre off-centre to throw mill inhomogeneous all around, and the toper optic fibre concentricity of formation is not good. The height of the polishing shaft 31 is adjusted by firstly calculating the deviation between the height of the head of the optical fiber and the center line of the polishing shaft 31 at the polishing initial position when the optical fiber rotates to each direction by the polishing controller according to the eccentric distance of the optical fiber on the rotating shaft, so that the Z-axis electric translation table is controlled to drive the polishing shaft 31 to move for a corresponding distance during polishing, the height deviation of the head of the optical fiber is compensated in real time, and the height of the head of the optical fiber is always consistent with the height of the center line of the polishing shaft 31 at the polishing initial position. The polishing controller is also used for electrically controlling the whole polishing equipment in the polishing process, including size control, station switching and the like.
The embodiment of the utility model provides an automatic polishing and grinding device for conical optical fiber, which collects the projected image of the optical fiber head when the optical fiber rotates to all directions through the CCD monitoring mechanism and calculates the eccentric distance of the optical fiber head relative to the rotating shaft through image processing, the polishing and grinding controller controls the Z-axis electric translation table to adjust the height of the polishing and grinding shaft in real time according to the eccentric distance of the optical fiber when the optical fiber is polished and ground, so that the height of the optical fiber head is always consistent with the height of the central line when the polishing and grinding shaft is positioned at the polishing and grinding initial position, the whole polishing and grinding process is smooth in action, the formed conical optical fiber has good concentricity, the tapered optical fiber can be polished without precise centering after the optical fiber is clamped, an operator only needs to complete the processes of clamping up and clamping down, the labor intensity is reduced, the technical requirements on the operator are reduced, the operator can be on duty only through simple training, and the training cost is reduced; because the concentricity adjustment and the size control of the optical fiber are both quantitatively controlled by the polishing controller, the polishing process is automatically completed, the uniformity of the polishing size is good, and the production efficiency is high.
As shown in fig. 1 and fig. 3, as a preferred embodiment, the active detection mechanism 6 is further included, the active detection mechanism 6 includes a laser 62 located behind the polishing shaft 31 and an active detector 61 located on one side of the polishing disc 21, the laser 61 is used for providing a light source, and the active detector 61 is used for detecting the light output values of the polished tapered optical fiber in all directions, so as to obtain the spectral ratio value, so as to determine whether the polishing is qualified. Specifically, an optical fiber disc 8 is arranged behind the polishing shaft 31, optical fibers are wound on the optical fiber disc 8, a flange plate 9 is fixed on the optical fiber disc 8, one end of the flange plate 9 is connected with the laser 62, and the other end of the flange plate is connected with the connector at the tail of the optical fibers, so that the tail of the optical fibers is connected with the laser 62, and the head of the optical fibers emits light to perform active detection. The light emitted from the head of the optical fiber is actively detected and corrected after polishing, so that the automation of the whole production process is further realized.
As shown in fig. 1 and fig. 2, as a preferable configuration of this embodiment, the polishing machine further includes an X-axis electric translation stage and a Y-axis electric translation stage 7, the Z-axis electric translation stage is fixed on a slider of the X-axis electric translation stage, and the polishing shaft 31 is driven by the X-axis electric translation stage to feed forward and backward, so that polishing is conveniently controlled and station switching is conveniently realized. The polishing disc mechanism 2 and the active detector 61 are both fixed on a sliding block of the Y-axis electric translation table 7, and the polishing disc mechanism 2 and the active detector 61 are driven to move back and forth by the Y-axis electric translation table 7, so that the switching between a working position and a detection position is realized. Further, CCD monitoring mechanism 4 is fixed in on the slider of Z axle electric translation platform, thereby CCD monitoring mechanism 4 can grind the slider motion of axle 31 along with the Z axle electric translation platform with throwing for CCD monitoring mechanism 4 is fixed relatively with the position of throwing grinding axle 31, need not adjust the relative position of the two when CCD detects. Further, the active detector 61 is fixed on the sliding block of the Y-axis electric translation stage 7 through the support 63, the support 63 is further fixed with an LED illumination lamp 64, when the CCD monitoring mechanism 4 is required to collect an image of the optical fiber projected, the sliding block is driven to move through the Y-axis electric translation stage 7 to drive the LED illumination lamp 64 to move under the CCD monitoring mechanism 4, the LED illumination lamp 64 irradiates the optical fiber upwards, and the CCD monitoring mechanism 4 is convenient to collect the image of the optical fiber projected.
As shown in fig. 4, the structure of the polishing shaft mechanism 3 is refined, the polishing shaft mechanism 3 further includes a bearing sleeve 33 and two bearings 32 located in the bearing sleeve 33, an outer ring of the bearing 32 is fixed with the bearing sleeve 33, the polishing shaft 31 passes through the bearing 32 and is fixed with an inner ring of the bearing 32, and the stepping motor is in transmission connection with the polishing shaft 31 through a synchronous belt, so that the stepping motor can drive the polishing shaft 31 to rotate relative to the bearing sleeve 33.
As shown in fig. 5, the structure of the polishing disc mechanism 2 is refined, the polishing disc mechanism 2 further includes a polishing disc base and a polishing disc support base, the polishing disc base includes a bottom plate 25, two first side plates 26 extending upward from the bottom plate 25, the tops of the first side plates 26 are arc-shaped, the polishing disc base further includes two second side plates 27 respectively attached to the inner sides of the two first side plates 26 and protruding upward from the first side plates 26, guide posts 28 are disposed on the outer sides of the second side plates 27, the polishing disc support base includes a mounting plate 22 and two third side plates 23 extending downward from the mounting plate 22, the polishing disc 21 and the motor are both fixed on the mounting plate 22, the bottom of the third side plate 23 is arc-shaped and is matched with the tops of the first side plates 26, an arc-shaped guide slot 24 is formed on the third side plate 23, the guide posts 28 extend into the guide slot 24, thereby throw the mill supporting seat can along throw the mill base and rotate, and then drive and throw mill 21 rotatory, conveniently adjust the inclination of throwing mill 21. Furthermore, the guide groove 24 is marked with a rotation scale, so that the rotation angle of the polishing disc 21 can be conveniently controlled. The surface of the polishing disc 21 is attached with diamond coarse abrasive paper and diamond fine abrasive paper which are respectively used for carrying out coarse grinding and fine grinding on the optical fiber, in the embodiment, 3 mu m diamond abrasive paper and 0.5 mu m diamond abrasive paper are adopted, and the polishing disc 21 is driven by the Y-axis electric translation table 7 to move back and forth, so that the optical fiber is polished on different abrasive papers.
The automatic conical optical fiber polishing and grinding equipment of the embodiment further comprises a display screen which is connected with the polishing and grinding controller and used for displaying the polishing and grinding working state and a key panel used for user operation, a user sends a control signal to the polishing and grinding controller through the key panel, and the polishing and grinding controller controls the polishing and grinding process to be carried out according to the received signal, wherein the control of the polishing and grinding size, the switching of the optical fiber at different stations and the like are carried out.
The embodiment of the utility model provides a still provide an automatic method of polishing of toper optic fibre, adopt foretell automatic equipment of polishing of toper optic fibre, this method includes following step:
(1) the optical fiber is led into the polishing shaft 31 from the tail part of the polishing shaft 31 and led out of the optical fiber chuck 34, and the optical fiber chuck 34 is locked;
specifically, the front end of the stripped optical fiber may be inserted into the copper tube to be clamped, and then the end of the copper tube is inserted into the polishing shaft 31 from the tail of the polishing shaft 31 to the front end, and when the optical fiber is displayed on the display of the CCD monitoring mechanism 4, the optical fiber chuck 34 is locked.
(2) The optical fiber moves to the polishing and grinding initial position, the polishing and grinding disc 21 and the polishing and grinding shaft 31 rotate, and the optical fiber is automatically fed to the diamond coarse abrasive paper on the surface of the polishing and grinding disc 21 for primary polishing and grinding;
specifically, press "work" button on the keypad, optic fibre walks to the work position automatically, throws and grinds the initial position promptly, presses "start" button again, throws mill 21 and throws and grinds axle 31 rotation, and the optic fibre head can be through the automatic 3 mu m diamond abrasive paper that feeds left on throwing mill 21 of X axle electric translation platform automatically simultaneously and carry out preliminary polishing, and the optic fibre front end has formed the toper after preliminary polishing, but because optic fibre itself has the off-centre or because of the centre gripping leads to the off-centre inadequately, the toper optic fibre concentricity after preliminary polishing is not good.
(3) After preliminary polishing, the optical fiber moves to a CCD detection position, the polishing shaft 31 drives the optical fiber to rotate for a circle, the CCD monitoring mechanism 4 collects projection images of the head of the optical fiber when the optical fiber rotates to various directions and calculates the height value of the head of the optical fiber, and the difference value between the maximum value and the minimum value of the height of the head of the optical fiber when the optical fiber rotates for a circle is divided by 2 to obtain the eccentric distance of the head of the optical fiber relative to the rotating shaft;
specifically, after the initial polishing, the optical fiber moves rightwards through the X-axis electric translation stage, then the Y-axis electric translation stage 7 drives the LED illuminating lamp 64 to move right below the CCD monitoring mechanism 4, so that the optical fiber is at the CCD detection position, the polishing shaft 31 drives the optical fiber to rotate for one circle, and every time the optical fiber rotates for 9 degrees, the CCD monitoring mechanism 4 collects the projected image of the head of the optical fiber and calculates the height value of the head of the optical fiber in the display, in the actual operation, the intersection point of the vertical line at a distance of 30 μm from the front end of the optical fiber and the horizontal center line of the head of the optical fiber is taken as the coordinate of the head of the optical fiber, so as to determine the height of the head of the optical fiber, and thus, the total angle position and the height position of the head of the optical fiber are 40, and the difference value between the maximum value and the minimum. The specific principle is as follows: when the optical fiber head is not concentric with the polishing shaft 31, the track of one rotation of the optical fiber head is a circle, the difference between the maximum value and the minimum value of the height of one rotation of the optical fiber head is the diameter of the circle of the track of one rotation of the optical fiber head, and the radius is the eccentric distance of the optical fiber head relative to the rotating shaft. In this case, the eccentricity of the optical fiber in the Y-axis direction is measured, and the eccentricity of the optical fiber in the Z-axis direction is actually required, and the eccentricity of the optical fiber in the Z-axis direction can be converted by rotating the optical fiber by 90 ° in accordance with the symmetric relationship of the rotation of the optical fiber around the polishing shaft 31.
(4) The optical fiber moves to a polishing and grinding initial position, a polishing and grinding shaft 31 rotates, the optical fiber is firstly polished and ground on diamond coarse abrasive paper on the surface of a polishing and grinding disc 21 and then polished and ground on diamond fine abrasive paper on the surface of the polishing and grinding disc 21, and in the polishing and grinding process, a Z-axis electric translation table adjusts the height of the polishing and grinding shaft 31 in real time according to the eccentric distance of the optical fiber, so that the height of the head of the optical fiber is always consistent with the height of a central line of the polishing and grinding shaft 31 at the polishing and grinding initial position;
specifically, firstly, the optical fiber is rotated to the direction of the maximum value of the actual height of the head of the optical fiber, the optical fiber is automatically fed to the polishing disc 21 leftwards to form 3-micron diamond abrasive paper, the polishing shaft 31 rotates, the Y-axis electric translation table 7 can slowly move forwards and backwards to replace polishing tracks, the polishing controller calculates the deviation between the height of the head of the optical fiber and the center line of the polishing shaft 31 when the optical fiber rotates to each direction according to the eccentric distance of the head of the optical fiber relative to the rotating shaft, and controls the Z-axis electric translation table to drive the polishing shaft 31 to move for a corresponding distance, so that the real-time compensation of the height deviation of the optical fiber is realized, and the height of the head of the optical fiber is always consistent with the height of the center; then the optical fiber moves to 0.5 mu m diamond abrasive paper on the polishing disc 21, the polishing shaft 31 rotates, the Y-axis electric translation table 7 can slowly move back and forth to replace the polishing track, in the polishing process, the polishing controller calculates the deviation between the height of the head of the optical fiber and the center line of the polishing shaft 31 when the optical fiber rotates to each direction according to the eccentric distance of the head of the optical fiber relative to the rotating shaft, and controls the Z-axis electric translation table to drive the polishing shaft 31 to move for a corresponding distance, so that the real-time compensation of the height deviation of the optical fiber is realized, and the height of the head of the optical fiber is always consistent with the height of the center line when the polishing shaft is positioned at the polishing initial position. The specific method for adjusting the height of the polishing shaft 31 in real time by the Z-axis electric translation table according to the eccentric distance of the optical fiber comprises the following steps: in the initial state, the optical fiber rotates to the direction of the maximum height of the head of the optical fiber, the polishing shaft 31 is driven by the Z-axis electric translation table to move towards the direction of the central line by the radius value R, namely the eccentric distance, so that the head of the optical fiber is compensated to the central line when the polishing shaft 31 is in the initial state, then, the optical fiber rotates by A degrees, the Z-axis electric translation table moves towards the direction of the central line by the distance of the absolute value of RcosA, and thus, when the optical fiber rotates, the head of the optical fiber is always kept on the central line when the polishing shaft 31 is in the polishing initial position by the compensation of the Z-axis electric translation table.
(5) After polishing, the optical fiber moves to a detection position, the optical fiber rotates for a circle, and the active detector 61 performs active detection on the light output values of the tapered optical fiber in all directions;
specifically, after polishing, the connector at the end of the fiber is inserted into the flange 9, and the laser 62 is connected to the flange 9 in advance, which may be performed after the fiber is clamped. The optical fiber moves rightwards through the X-axis electric translation table, then the Y-axis electric translation table 7 drives the active detector 61 to move to the position under the head of the optical fiber, the optical fiber is located at a detection position, the optical fiber rotates for a circle, and one light-emitting value is measured every time the optical fiber rotates for 6 degrees, so that 60 light-emitting values are measured.
(6) And (4) dividing the minimum value of the detected light-emitting values of the optical fibers in all directions by the maximum value to obtain a light-splitting ratio, if the light-splitting ratio is greater than a preset value, polishing and grinding the optical fibers to be qualified, and if the light-splitting ratio is not qualified, repeating the steps (4) and (5).
Specifically, the minimum value of the detected light-emitting values of the optical fibers in all directions is divided by the maximum value to obtain a light-splitting ratio, if the light-splitting ratio is larger than or equal to 70%, polishing is qualified, and if the light-splitting ratio is smaller than 70%, polishing is unqualified, and the steps (4) and (5) are repeated to judge.
The utility model provides an automatic polishing and grinding method for conical optical fiber, which collects the projected image of the optical fiber head when the optical fiber rotates to all directions through the CCD monitoring mechanism and calculates the eccentric distance of the optical fiber head relative to the rotating shaft through image processing, the polishing and grinding controller controls the Z-axis electric translation table to adjust the height of the polishing and grinding shaft in real time according to the eccentric distance of the optical fiber when the optical fiber is polished and ground, so that the height of the optical fiber head is always consistent with the height of the central line when the polishing and grinding shaft is positioned at the polishing and grinding initial position, the whole polishing and grinding process acts smoothly, the formed conical optical fiber has good concentricity, the tapered optical fiber can be polished without precise centering after the optical fiber is clamped, an operator only needs to complete the processes of clamping up and clamping down, the labor intensity is reduced, the technical requirements on the operator are reduced, the operator can be on duty only through simple training, and the training cost is reduced; because the concentricity adjustment and the size control of the optical fiber are both quantitatively controlled by the polishing controller, the polishing process is automatically completed, the uniformity of the polishing size is good, and the production efficiency is high.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an automatic equipment of polishing of toper optic fibre which characterized in that: including throwing mill mechanism, throwing mill shaft mechanism, CCD monitoring mechanism, eccentric accent in mechanism and throw the mill controller, throw mill mechanism including throwing the mill and drive throw the rotatory motor of mill, throw mill shaft mechanism including the throwing mill shaft and the drive of level setting throw mill shaft pivoted step motor, the center of throwing the mill shaft has along axially extended optical fiber hole, the front end of throwing the mill shaft has the fiber chuck, the fiber chuck orientation throw the mill, eccentric accent in the mechanism includes Z axle electric translation platform, throw the mill shaft with the slider of Z axle electric translation platform links to each other, CCD monitoring mechanism is used for detecting the eccentric distance of optic fibre head for the rotation axis, it is used for controlling when optic fibre is thrown the mill Z axle electric translation platform adjusts in real time throwing the height of mill shaft to throwing.
2. The automatic tapered fiber polishing apparatus according to claim 1, wherein: the active detection mechanism comprises a laser positioned behind the polishing shaft and an active detector positioned on one side of the polishing disc, and the active detector is used for detecting light emitting values of the polished tapered optical fiber in all directions.
3. The automatic tapered fiber polishing apparatus according to claim 2, wherein: the polishing disc mechanism and the active detector are fixed on a sliding block of the Y-axis electric translation table, and the Z-axis electric translation table is fixed on a sliding block of the X-axis electric translation table.
4. The automatic tapered fiber polishing apparatus according to claim 3, wherein: the active detector is fixed on a sliding block of the Y-axis electric translation table through a support, and an LED illuminating lamp is further fixed on the support.
5. The automatic tapered fiber polishing apparatus according to claim 4, wherein: the CCD monitoring mechanism is fixed on a sliding block of the Z-axis electric translation table.
6. The automatic tapered fiber polishing apparatus according to claim 2, wherein: an optical fiber disc is arranged behind the polishing and grinding shaft, a flange plate is fixed on the optical fiber disc, one end of the flange plate is connected with the laser, and the other end of the flange plate is connected with a connector at the tail part of the optical fiber.
7. The automatic tapered fiber polishing apparatus according to claim 1, wherein: the polishing shaft mechanism further comprises a bearing sleeve and a bearing positioned in the bearing sleeve, an outer ring of the bearing is fixed with the bearing sleeve, and the polishing shaft penetrates through the bearing and is fixed with an inner ring of the bearing.
8. The automatic tapered fiber polishing apparatus according to claim 1, wherein: the polishing disc mechanism further comprises a polishing disc base and a polishing disc supporting seat, the polishing disc base comprises a bottom plate and two first side plates which extend upwards from the bottom plate, the top of each first side plate is arc-shaped, the polishing disc base further comprises two second side plates which are attached to the inner sides of the first side plates respectively and protrude upwards from the inner sides of the first side plates, guide posts are arranged on the outer sides of the second side plates, the polishing disc supporting plate comprises an installation plate and two third side plates which extend downwards from the installation plate, the bottom of each third side plate is arc-shaped and matched with the top of each first side plate, arc-shaped guide grooves are formed in the third side plates, and the guide posts extend into the guide grooves.
9. The automatic tapered fiber polishing apparatus according to claim 8, wherein: the guide groove is marked with rotary scales.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920616401.8U CN210081394U (en) | 2019-04-30 | 2019-04-30 | Automatic polishing and grinding equipment for tapered optical fiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920616401.8U CN210081394U (en) | 2019-04-30 | 2019-04-30 | Automatic polishing and grinding equipment for tapered optical fiber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986440A (en) * | 2019-04-30 | 2019-07-09 | 武汉楚星光纤应用技术有限公司 | Conical fiber automatic Polishing equipment and rubbing down method |
| CN111596407A (en) * | 2020-05-19 | 2020-08-28 | 燕山大学 | Polishing, grinding and tapering integrated device and method for preparing D-type and tapered optical fibers |
| CN114918793A (en) * | 2022-07-22 | 2022-08-19 | 徐州景澜新材料科技有限公司 | A grinding device for artificial diamond production |
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2019
- 2019-04-30 CN CN201920616401.8U patent/CN210081394U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986440A (en) * | 2019-04-30 | 2019-07-09 | 武汉楚星光纤应用技术有限公司 | Conical fiber automatic Polishing equipment and rubbing down method |
| CN109986440B (en) * | 2019-04-30 | 2024-02-13 | 武汉楚星光纤应用技术有限公司 | Automatic polishing equipment and polishing method for tapered optical fiber |
| CN111596407A (en) * | 2020-05-19 | 2020-08-28 | 燕山大学 | Polishing, grinding and tapering integrated device and method for preparing D-type and tapered optical fibers |
| CN111596407B (en) * | 2020-05-19 | 2021-04-30 | 燕山大学 | Polishing, grinding and tapering integrated device and method for preparing D-type and tapered optical fibers |
| CN114918793A (en) * | 2022-07-22 | 2022-08-19 | 徐州景澜新材料科技有限公司 | A grinding device for artificial diamond production |
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| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Conical optical fiber automatic polishing equipment Effective date of registration: 20220125 Granted publication date: 20200218 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: WUHAN CHUXING OPTICAL FIBER APPLICATION TECHNOLOGIES CO.,LTD. Registration number: Y2022420000031 |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 6, Jiufeng West Road, Canglong Island Science Park, Jiangxia District, Wuhan, Hubei 430074 Patentee after: WUHAN CHUXING OPTICAL FIBER APPLICATION TECHNOLOGIES CO.,LTD. Address before: 430074, 5-2, Kanto science and Technology Industrial Park, East Lake Development Zone, Hubei, Wuhan Patentee before: WUHAN CHUXING OPTICAL FIBER APPLICATION TECHNOLOGIES CO.,LTD. |