CN214771113U - Optical fiber grinding device - Google Patents

Abstract

The utility model discloses an optic fibre grinder belongs to optic fibre and grinds technical field. The optical fiber polishing apparatus includes: a clamping member for clamping an optical fiber to be ground; the driving end of the first driving piece is fixedly connected with the clamping piece so as to drive the clamping piece to rotate around the axis of the clamping piece; the driving end of the second driving piece is fixedly connected with the first driving piece so as to drive the first driving piece to swing around the horizontal axis in the vertical plane; the driving end of the third driving piece is fixedly connected with the second driving piece so as to drive the second driving piece to move along the vertical direction; the grinding mechanism is arranged below the clamping piece and comprises a fourth driving piece and a grinding piece arranged at the driving end of the fourth driving piece, and the fourth driving piece is used for driving the grinding piece to be close to or far away from the optical fiber along the vertical direction. The utility model provides a can drive the abrasive disc and remove and provide operating space, conveniently accomplish the optic fibre grinder that the abrasive disc was changed and the maintenance operation.

Description

Optical fiber grinding device

Technical Field

The utility model relates to an optic fibre grinds technical field, especially relates to an optic fibre grinder.

Background

The optical fiber lens generally refers to a lens-like shape directly manufactured from an end face of an optical fiber to achieve the purpose of optical path conversion or mode conversion; the fiber lens is widely manufactured and applied to the coupling of fiber devices to improve the insertion loss and return loss between the devices, and different coupling objects require different fiber lens shapes, such as a conical fiber end face, a spherical fiber end face, a wedge-shaped fiber end face, a quadrangular pyramid fiber end face and the like; in order to obtain a fiber lens having a corresponding end surface shape, a fiber lens polishing technique and a polishing apparatus have been developed.

In the existing optical fiber grinding device, the grinding disc used for contacting and rubbing the optical fiber is usually fixedly arranged, the height of the grinding disc is not adjustable, and the maintenance and debugging of the grinding disc are not convenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optic fibre grinder that can be convenient for the maintenance debugging of abrasive disc.

In order to realize the purpose, the following technical scheme is provided:

an optical fiber polishing apparatus comprising:

a clamping member for clamping an optical fiber to be ground;

the driving end of the first driving piece is fixedly connected with the clamping piece so as to drive the clamping piece to rotate around the axis of the clamping piece;

the driving end of the second driving piece is fixedly connected with the first driving piece so as to drive the first driving piece to swing around a horizontal axis in a vertical plane;

the driving end of the third driving piece is fixedly connected with the second driving piece so as to drive the second driving piece to move along the vertical direction;

the grinding mechanism is arranged below the clamping piece and comprises a fourth driving piece and a grinding piece arranged at the driving end of the fourth driving piece, and the fourth driving piece is used for driving the grinding piece to be close to or far away from the optical fiber along the vertical direction.

Optionally, the fourth drive is a scissor lift mechanism.

Optionally, the grinding member includes a grinding support disc with an opening and a first grinding disc arranged in the grinding support disc, and the driving end of the fourth driving member is connected with the grinding support disc; a grinding motor is arranged on the grinding support disk, and the output end of the grinding motor is connected with the first grinding disk; the first grinding disc is of a plane structure.

Optionally, the grinding member further comprises a second grinding disc slidably disposed above the grinding support disc, and the second grinding disc is used for containing grinding agents.

Optionally, the first driving part comprises a driving motor and a transmission structure, the transmission structure comprises a driving wheel, a driven wheel and a belt simultaneously wound on the driving wheel and the driven wheel, the driving wheel is coaxially arranged on an output shaft of the driving motor, and the driven wheel is coaxially arranged on the clamping piece in a penetrating manner.

Optionally, an optical fiber coiling frame for coiling the optical fiber is further fixedly arranged on the driven wheel.

Optionally, a connecting frame is arranged at the driving end of the second driving piece, the connecting frame comprises a first connecting plate and a second connecting plate which are connected with each other, and the second connecting plate is far away from the second driving piece relative to the first connecting plate;

the driving motor is arranged on one side, close to the second driving piece, of the second connecting plate; the clamping piece is arranged on one side, far away from the second driving piece, of the second connecting plate.

Optionally, two supporting blocks are arranged on the second connecting plate at intervals in the vertical direction, and the clamping piece is rotatably arranged on the supporting blocks.

Optionally, the clamping piece comprises a rod body and a clamping part arranged at the bottom end of the rod body, and a threading groove is formed in the rod body in a penetrating manner; the clamping portion includes:

the clamping device comprises a clamping body, wherein a containing groove is formed in the clamping body, and the cross section of the containing groove is circular;

the clamping blocks are uniformly distributed in the accommodating groove along the circumferential direction of the accommodating groove; gaps for optical fibers to pass through are formed among at least three clamping blocks;

the fastener is arranged on the clamping body and used for adjusting the size of the gap.

Optionally, the bottom end of the accommodating groove and the bottom end of the clamping block are both in a tapered structure with a wide top and a narrow bottom. Compared with the prior art, the beneficial effects of the utility model are that:

the grinding mechanism of the utility model is provided with the fourth driving part, so that the grinding part can be driven by the fourth driving part to be away from the optical fiber above, thereby facilitating the replacement or maintenance of the grinding part and improving the applicability of the whole grinding mechanism; the swing angle and the height position of the optical fiber can be kept unchanged in the whole process, and after the grinding piece is maintained and debugged, the fourth driving piece is used for driving the grinding piece to be in contact with the optical fiber again, so that the follow-up grinding process can be continued smoothly.

Drawings

Fig. 1 is a schematic view of an overall structure of an optical fiber polishing apparatus according to an embodiment of the present invention;

FIG. 2 is a front view of an optical fiber polishing apparatus according to an embodiment of the present invention;

fig. 3 is a front view of a grinding mechanism in an embodiment of the present invention;

fig. 4 is a top view of an embodiment of the grinding mechanism of the present invention;

fig. 5 is a bottom view of the clamping portion of the clamping member in an embodiment of the present invention;

fig. 6 is a cross-sectional view taken along the plane a-a in fig. 5.

Reference numerals:

100. a shock-proof platform; 101. a horizontal panel; 102. a support portion;

110. a first driving member; 111. a drive motor; 120. a second driving member; 130. a third driving member;

20. a clamping member; 30. a grinding mechanism; 40. a monitoring mechanism; 50. a light spot detector; 60. a connecting frame; 70. rotating the platform; 80. a transmission structure; 90. an optical fiber coiling frame;

21. a rod body; 22. a clamping portion; 221. a clamping body; 2211. a containing groove; 222. a clamping block; 2221. a wedge-shaped surface; 31. a fourth drive; 32. a grinding support disk; 321. a slide rail; 33. a first abrasive disk; 34. grinding the motor; 35. a second abrasive disk; 36. a first transfer member; 41. a support frame; 42. a CCD camera; 43. a second adaptor; 61. a first connecting plate; 62. a second connecting plate; 621. a support block; 81. a driving wheel; 82. a driven wheel; 83. a belt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in 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, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

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 "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The present embodiment provides an optical fiber polishing apparatus for polishing an end face of an optical fiber. Specifically, referring to fig. 1-4, the optical fiber polishing apparatus includes a clamping member 20, a first driving member 110, a second driving member 120, a third driving member 130, and a polishing mechanism 30; wherein, the clamping piece 20 is used for clamping the optical fiber to be ground; the driving end of the first driving member 110 is fixedly connected with the clamping member 20 so as to drive the clamping member 20 to rotate around the axis of the clamping member; the driving end of the second driving member 120 is fixedly connected to the first driving member 110 to drive the first driving member 110 to swing around the horizontal axis in the vertical plane, so as to swing the optical fiber; the driving end of the third driving member 130 is fixedly connected to the second driving member 120 to drive the second driving member 120 to move in the vertical direction, so as to drive the optical fiber to move in the vertical direction; the grinding mechanism 30 is disposed below the clamping member 20, the grinding mechanism 30 includes a fourth driving member 31 and a grinding member disposed at a driving end of the fourth driving member 31, and the fourth driving member 31 is used for driving the grinding member to approach or separate from the optical fiber along a vertical direction.

In specific implementation, the fourth driving part 31 is arranged in the polishing mechanism 30 provided by this embodiment, so that the polishing part can be driven by the fourth driving part 31 to be away from the optical fiber above, thereby facilitating replacement or maintenance of the polishing part and improving the applicability of the whole polishing mechanism 30; the swing angle and the height position of the optical fiber can be kept unchanged in the whole process, and after the grinding piece is maintained and debugged, the fourth driving piece 31 is used for driving the grinding piece to be in contact with the optical fiber again, so that the follow-up grinding process can be continued smoothly.

Optionally, the first driving element 110 and the second driving element 120 may both be motors to provide corresponding rotation torque, the rotation torque of the first driving element 110 is used to drive the clamping element 20 and the optical fiber clamped by the clamping element 20 to rotate and further rub against the polishing element, and the rotation torque of the second driving element 120 is used to drive the first driving element 110 and the clamping element 20 thereon to swing to a certain angle or swing back and forth in a vertical plane, so as to form a wedge-shaped or tapered end surface when in contact polishing with the polishing element. Further, the third driving element 130 can select a structure of matching the motor with the ball screw sliding table, the second driving element 120 is arranged on the moving sliding table of the ball screw sliding table, the motor outputs a rotation torque, and the precise movement of the moving sliding table is realized through the matching of the ball screw and a screw nut on the moving sliding table. The motors of the driving parts can be selected by servo motors so as to ensure the positioning precision of the optical fiber in the whole grinding process, and the accuracy of the size of the optical fiber and the consistency of the grinding process are also ensured. Of course, in practical implementation, the third driving element 130 may also be other linear driving elements such as a linear motor, and is not limited herein.

Alternatively, referring to fig. 1, the first driving member 110 may also be configured to cooperate with the driving motor 111 and the transmission mechanism 80; namely, the first driving member 110 comprises a driving motor 111 and a transmission mechanism 80, the transmission mechanism 80 comprises a driving wheel 81, a driven wheel 82 and a belt 83 simultaneously wound on the driving wheel 81 and the driven wheel 82, the driving wheel 81 is coaxially arranged on an output shaft of the driving motor 111, and the driven wheel 82 is coaxially arranged on the clamping member 20 in a penetrating manner; when the driving motor 111 drives the driving pulley 81 to rotate, the driven pulley 82 is driven by the belt 83 to rotate synchronously, so as to drive the clamping member 20 to rotate, thereby realizing the autorotation of the optical fiber. The belt wheel type transmission structure 80 transmits the rotation torque of the driving motor 111 to the clamping member 20, and in specific implementation, the rotation speed of the clamping member 20 can be controlled by setting the sizes of the driven wheel 82 and the driving wheel 81; meanwhile, the driven wheel 82 is arranged on the clamping piece 20 in a penetrating mode, so that the optical fiber is not interfered in the penetrating operation on the clamping piece 20, and the optical fiber is convenient to feed. Further, an optical fiber coiling frame 90 is fixedly arranged on the driven wheel 82, and the optical fiber coiling frame 90 is used for coiling an optical fiber; the coiled optical fiber can rotate synchronously with the driven wheel 82, namely, the coiled optical fiber rotates synchronously with the clamping member 20 and the optical fiber part clamped on the clamping member 20, so that the consistency of the optical fiber action is maintained. In specific implementation, the optical fiber is directly vertically inserted into the clamping member 20 after being led out from the bottom of the optical fiber coiling frame 90, and is led out from the bottom of the clamping member 20.

Referring to fig. 1, the driving end of the second driving member 120 is provided with a connecting frame 60, the connecting frame 60 includes a first connecting plate 61 and a second connecting plate 62 connected with each other, and the second connecting plate 62 is far away from the second driving member 120 relative to the first connecting plate 61; the driving motor 111 is positioned on one side of the second connecting plate 62 close to the second driving member 120; the clamping member 20 is disposed on a side of the second connecting plate 62 away from the second driving member 120. Specifically, the first driving member 110 may be disposed on the first connection plate 61. The driving motor 111 and the clamping piece 20 are respectively arranged on the two sides of the second connecting plate 62, so that the reasonable arrangement of the related structures of the first driving piece 110 can be realized, the first driving piece 110 can smoothly complete driving, and the optical fiber can be conveniently clamped. Further, first connecting plate 61 is L type structure, and the drive end of second driving piece 120 is located to a curb plate of first connecting plate 61 to with second connecting plate 62 parallel arrangement, another curb plate of first connecting plate 61 is connected with second connecting plate 62 is perpendicular, and then driving motor 111 can support and realize firm the placing on another curb plate of first connecting plate 61. Further, the driving end of the second driving member 120 is provided with a rotating platform 70, and one side plate of the first connecting plate 61 is connected to the rotating platform 70.

With reference to fig. 1, two supporting blocks 621 are disposed at an interval in the vertical direction on a side of the second connecting plate 62 away from the second driving element 120, and the clamping element 20 is rotatably disposed on the supporting blocks 621, so that the clamping element 20 can stably rotate on the second connecting plate 62 after clamping the optical fiber. Specifically, the clamping member 20 is rotatably connected to the supporting block 621 via a bearing structure.

Referring to fig. 1-3, the fourth driving member 31 can be a scissor lift mechanism, but is not limited to the scissor lift mechanism, as long as the linear movement of the grinding member in the vertical direction can be achieved. More specifically, referring to fig. 1-4, the grinding member includes a grinding support disk 32 having an opening and a first grinding disk 33 disposed within the grinding support disk 32, and the driving end of the fourth driving member 31 is connected to the grinding support disk 32; a grinding motor 34 is arranged on the grinding support disk 32, and the output end of the grinding motor 34 is connected with a first grinding disk 33; the first polishing disk 33 has a planar structure. The first polishing disk 33 contacting with the optical fiber and the polishing motor 34 driving the first polishing disk to rotate can be indirectly and stably arranged at the driving end of the fourth driving part 31 by the arrangement of the polishing support disk 32, so that the polishing operation can be smoothly completed; meanwhile, the grinding support disk 32 is provided with an opening, and can also contain scraps and impurities generated in the grinding process, so that subsequent centralized cleaning is facilitated; the first polishing plate 33 is a plane structure to facilitate direct hard contact with the optical fiber for polishing.

Further, the grinding member further comprises a second grinding disk 35 slidably disposed above the grinding support disk 32, wherein the second grinding disk 35 is used for containing grinding agent. Optionally, the abrasive is a liquid abrasive. In specific implementation, referring to fig. 3, the outer side wall of the grinding supporting disk 32 is provided with a sliding rail 321, the second grinding disk 35 is provided with a first adapter 36, and the first adapter 36 is slidably fitted on the sliding rail 321 of the grinding supporting disk 32, so that the second grinding disk 35 can approach or depart from the first grinding disk 33 according to the extending direction of the sliding rail 321. In this embodiment, grinding support disk 32 is the cuboid structure, and slide rail 321 extends along the long limit of cuboid structure, and first abrasive disc 33 is located the cuboid structure and is followed the ascending one end of length direction, and second abrasive disc 35 then can be followed slide rail 321 and slided to first abrasive disc 33 top, perhaps slides to the other end of cuboid structure along length direction. During grinding, particularly when grinding a spherical surface at the tip of a conical end face, because the first grinding disc 33 is in hard contact with the optical fiber, if a spherical structure is machined at the end of the optical fiber by means of the reciprocating swing of the optical fiber, certain machining difficulty exists, defects such as edge breakage defect, arc surface deformity or uneven surface polishing are likely to occur during grinding, and the yield is not guaranteed; therefore, after the optical fiber is roughly ground by the first grinding disk 33, the second grinding disk 35 containing the liquid grinding agent is moved to the position right above the first grinding disk 33, the optical fiber is driven to extend into the liquid grinding agent, and then the first driving member 110 and the second driving member 120 still work normally, so that the end part of the optical fiber is finely ground in the liquid grinding agent. Secondly, the solid-state polishing mode of the first polishing disk 33 has large loss, and the polishing paper attached to the polishing disk needs to be replaced at intervals, but the utilization rate of the liquid-state polishing agent is high, so that frequent replacement is not needed, and the processing cost can be reduced.

Specifically, referring to fig. 1, 5 and 6, the clamping member 20 includes a rod body 21 and a clamping portion 22 disposed at the bottom end of the rod body 21, and a threading slot is disposed on the rod body 21 for passing through an optical fiber; the holding portion 22 includes: the clamping device comprises a clamping body 221, wherein a containing groove 2211 is formed in the clamping body 221, and the cross section of the containing groove 2211 is circular; at least three clamping blocks 222 are arranged, and the at least three clamping blocks 222 are uniformly distributed in the accommodating groove 2211 along the circumferential direction of the accommodating groove 2211; at least three clamping blocks 222 have gaps therebetween through which optical fibers pass; a fastening member provided on the clamping body 221 for adjusting the size of the gap; specifically, the fastener is driven by the clamping blocks 222 toward each other to reduce the gap between the clamping blocks 222, ultimately achieving the purpose of clamping the fiber. Because the optical fiber is stressed greatly when being in friction grinding with the grinding piece, if the optical fiber is not clamped, the optical fiber is easy to deviate, the clamping part 22 is arranged, so that the optical fiber can be stably placed in the clamping piece 20, and the stability of the optical fiber is improved. Alternatively, the fastener may be a fastening bolt. Optionally, the bottom end of the accommodating groove 2211 and the bottom end of the clamping block 222 are both in a tapered structure with a wide top and a narrow bottom, so that a larger extrusion force can be generated when the clamping block 222 is driven by the fastener to approach each other, and the clamping effect is improved. Further, the bottom end of the clamping body 221 is also a tapered structure with a wide top and a narrow bottom to match with the tapered structure of the clamping block 222, so as to facilitate the penetration of the fastener and the driving of the clamping block 222. Further, the top of the clamping block 222 is provided with a wedge-shaped surface 2221, the wedge-shaped surfaces 2221 of the clamping blocks 222 form a tapered groove with a wide top and a narrow bottom, and further, when the optical fiber is threaded from the rod body 21 to the clamping portion 22, the optical fiber can smoothly enter a gap between the clamping blocks 222 through the guide of the tapered groove, so that the threading efficiency is improved.

Referring to fig. 1, the optical fiber polishing apparatus further includes a monitoring mechanism 40; specifically, the monitoring mechanism 40 includes a support frame 41 and a CCD camera 42 disposed on the support frame 41, the CCD camera 42 can acquire an image of the end face of the optical fiber, and then each parameter of the shape of the end face is obtained through image analysis software of the polishing apparatus, so that the polishing progress is conveniently grasped. Of course, in some other embodiments, an electron microscope may be disposed on the supporting frame 41 to facilitate observing whether the optical fiber is in contact with the polishing disc and monitoring the polishing process. Optionally, the CCD camera 42 or the electron microscope is disposed on the supporting frame 41 through the second adaptor 43, and the position of the second adaptor 43 on the supporting frame 41 is adjustable, so as to adjust the position of the CCD camera 42 or the electron microscope, so that the CCD camera 42 or the electron microscope can better monitor the optical fiber.

The optical fiber grinding device further comprises a light spot detector 50 for detecting whether the light spot formed by the emergent light spot formed by the molded optical fiber end surface meets the requirement, and detecting whether the shape of the optical fiber end surface reaches the expectation. Referring to fig. 1, the light spot detector 50 is disposed beside the grinding mechanism 30 and the monitoring mechanism 40, and the light sensing area of the light spot detector 50 is vertically disposed, when the light spot detector needs to detect, the second driving member 120 and the third driving member 130 can horizontally place the optical fiber, so that the light emitted from the end of the optical fiber can vertically strike the light sensing area of the light spot detector 50, and the corresponding light spot shape can be drawn by the software on the light spot detector 50, thereby facilitating the monitoring of personnel.

Still referring to fig. 1, the optical fiber polishing apparatus further includes a shock-proof platform 100, and the third driving member 130, the polishing mechanism 30, the monitoring mechanism 40 and the light spot detector 50 are all located on the shock-proof platform 100; the anti-vibration platform 100 can transmit vibration and noise in the operation process of the whole device to the outside, and simultaneously isolate the interference of the external vibration to the grinding process, thereby improving the reliability and stability of the processing process of the optical fiber lens. Specifically, the anti-vibration platform 100 includes two horizontal panels 101 disposed opposite to each other and a support 102 disposed between the two horizontal panels 101; wherein, the supporting portion 102 can be made of a material having shock absorption to obtain a good shock absorption effect. More specifically, the horizontal panel 101 located at the upper portion of the two horizontal panels 101 is provided with a plurality of mounting holes, so as to facilitate the positioning and flexible mounting of each component of the optical fiber polishing apparatus. Alternatively, the anti-vibration platform 100 is a square structure, but is not limited to a square structure.

The following describes in detail the method of using the fiber polishing apparatus in this embodiment, taking a fiber lens for polishing a tapered end face (the tip is a spherical surface) as an example:

the method comprises the following steps: dropping a proper amount of deionized water on the first grinding disk 33, and placing grinding paper with the granularity of 3um to enable the grinding paper to be tightly attached to the first grinding disk 33;

step two: an optical fiber is arranged in the clamping piece 20 in a penetrating way, so that the optical fiber is exposed out of the clamping part 22 by about 5mm, and the clamping piece 222 is driven by the fastening piece to clamp the optical fiber; the remaining fibers are coiled on the fiber coiling stand 90;

step three: the second driving member 120 adjusts the swing angle of the optical fiber;

step four: the fourth driving part 31 drives the first grinding disc 33 to ascend to a proper position, and meanwhile, the grinding motor 34 is started;

step five: the first driving member 110 is started, and the optical fiber starts to rotate;

step six: the third driving member 130 drives the optical fiber to move down to contact with the first polishing disk 33, and the polishing starts; after grinding for a predetermined time, the third driving member 130 drives the optical fiber to lift to a proper height and maintain;

step seven: the grinding paper with the granularity of 3um is replaced with the grinding paper with the granularity of 1um, and the third driving piece 130 descends to enable the optical fiber to be continuously ground with the first grinding disc 33; after a predetermined time of polishing, the third driving member 130 lifts the optical fiber to a proper height and holds it;

step eight: repeating the seventh step, but replacing the grinding paper with the grain size of 1um with the polishing paper; molding the tapered end face of the optical fiber;

step nine: moving the second grinding disk 35 over the first grinding disk 33;

step ten: returning the fiber to a vertical position and then driving the fiber down into contact with the liquid abrasive of the second abrasive disk 35; the second driving member 120 is started to make the optical fiber swing back and forth according to the specified angle, so as to make the spherical surface of the tip of the tapered end surface of the optical fiber shaped; after a predetermined time of polishing, the third driving member 130 lifts the optical fiber to a proper height and holds it;

step eleven: acquiring each parameter of the shape of the end part of the optical fiber by using a monitoring mechanism 40, if the parameters meet the requirements, carrying out the next step, and if the parameters do not meet the requirements, starting with any one of the first step to the tenth step according to the situation, and repeatedly executing;

step twelve: horizontally aligning the optical fiber to the photosensitive area of the light spot detector 50, detecting the light spot, and taking down the optical fiber if the light spot meets the requirement; if not, re-executing the tenth to the twelfth steps to finely adjust the end surface shape.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. An optical fiber polishing apparatus, comprising:

a holding member (20) for holding an optical fiber to be polished;

the driving end of the first driving part (110) is fixedly connected with the clamping part (20) so as to drive the clamping part (20) to rotate around the axis of the first driving part (110);

the driving end of the second driving piece (120) is fixedly connected with the first driving piece (110) so as to drive the first driving piece (110) to swing around a horizontal axis in a vertical plane;

the driving end of the third driving piece (130) is fixedly connected with the second driving piece (120) so as to drive the second driving piece (120) to move along the vertical direction;

the grinding mechanism (30) is arranged below the clamping piece (20), the grinding mechanism (30) comprises a fourth driving piece (31) and a grinding piece arranged at the driving end of the fourth driving piece (31), and the fourth driving piece (31) is used for driving the grinding piece to be close to or far away from the optical fiber along the vertical direction.

2. The optical fiber polishing apparatus according to claim 1, wherein said fourth driving member (31) is a scissor lift mechanism.

3. The optical fiber polishing apparatus according to claim 1, wherein said polishing member comprises a polishing support disk (32) having an opening and a first polishing disk (33) disposed inside said polishing support disk (32), said fourth driving member (31) having a driving end connected to said polishing support disk (32); a grinding motor (34) is arranged on the grinding support disk (32), and the output end of the grinding motor (34) is connected with the first grinding disk (33); the first grinding disc (33) is of a plane structure.

4. The optical fiber polishing apparatus according to claim 3, wherein said polishing member further comprises a second polishing disk (35) slidably disposed over said polishing disk support (32), said second polishing disk (35) being adapted to contain a polishing agent.

5. The optical fiber polishing device according to claim 1, wherein the first driving member (110) comprises a driving motor (111) and a transmission structure (80), the transmission structure (80) comprises a driving wheel (81), a driven wheel (82) and a belt (83) wound around the driving wheel (81) and the driven wheel (82), the driving wheel (81) is coaxially disposed on an output shaft of the driving motor (111), and the driven wheel (82) is coaxially disposed on the clamping member (20).

6. The optical fiber polishing apparatus according to claim 5, wherein an optical fiber winding frame (90) for winding the optical fiber is further fixed to the driven wheel (82).

7. The optical fiber polishing apparatus according to claim 5, wherein the driving end of the second driving member (120) is provided with a connection frame (60), the connection frame (60) includes a first connection plate (61) and a second connection plate (62) connected to each other, the second connection plate (62) is away from the second driving member (120) with respect to the first connection plate (61);

the driving motor (111) is arranged on one side, close to the second driving piece (120), of the second connecting plate (62); the clamping piece (20) is arranged on one side, away from the second driving piece (120), of the second connecting plate (62).

8. The optical fiber polishing apparatus according to claim 7, wherein two support blocks (621) are provided on said second connecting plate (62) at intervals in a vertical direction, and said holding member (20) is rotatably provided on said support blocks (621).

9. The optical fiber grinding device according to claim 1, wherein the clamping member (20) comprises a rod body (21) and a clamping portion (22) arranged at the bottom end of the rod body (21), and a threading slot is arranged on the rod body (21) in a penetrating manner; the clamping portion (22) includes:

the clamping device comprises a clamping body (221), wherein a containing groove (2211) is formed in the clamping body (221), and the cross section of the containing groove (2211) is circular;

at least three clamping blocks (222), wherein the at least three clamping blocks (222) are uniformly distributed in the accommodating groove (2211) along the circumferential direction of the accommodating groove (2211); gaps for optical fibers to pass through are formed among at least three clamping blocks (222);

the fastener is arranged on the clamping body (221) and used for adjusting the size of the gap.

10. The optical fiber polishing apparatus according to claim 9, wherein the bottom end of the receiving groove (2211) and the bottom end of the holding block (222) are tapered in shape with a wide top and a narrow bottom.

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