Optical fiber ferrule end face polishing device

Abstract

The utility model relates to an optical fiber ferrule end face polishing device which comprises a clamping disc and a positioning disc, the positioning disc is provided with positioning holes for optical fiber ferrules to extend out, the positioning holes are arranged in a circumferential array mode, clamping points on the clamping disc correspond to the positioning holes, a rotating concave surface polishing bowl is arranged above each positioning hole, and the concave surface polishing bowls are arranged on the clamping disc. The periphery of the positioning disc is fixedly connected with a dust cover, and the clamping disc can elastically slide in the dust cover. According to the optical fiber ferrule end face polishing device, the concave surface polishing bowls opposite to the positioning holes are utilized, so that each independent concave surface polishing bowl corresponding to the optical fiber ferrule rotates for polishing, a plurality of optical fiber ferrules arranged in an array can be subjected to curved surface polishing at the same time, and the requirement for the size of a polishing surface is met.

Description

Technical Field

[0001] The utility model relates to a polishing device, in particular to an end face polishing device for an optical fiber ferrule. Background Art

[0002] An optical fiber ferrule is a core component used in an optical fiber connector, usually made of high-purity zirconia ceramic material. Its main function is to fix the optical fiber and ensure the stability and precision of the optical fiber connector. Its manufacturing requirements are very high, and parameters such as dimensional accuracy, roundness, and surface roughness need to meet the standards to ensure the performance and reliability of the optical fiber connector.

[0003] The polishing of the ferrule end face determines the return loss and insertion loss of the connector, which plays a decisive role in the performance of the connector. Since the ferrule end face is not a flat surface, the existing optical fiber ferrule end face polishing devices can only perform flat polishing during batch polishing, resulting in a too small polishing surface. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an optical fiber ferrule end face polishing device, which is used to solve the problem that the existing optical fiber ferrule end face polishing devices can only perform flat polishing during batch polishing, resulting in a too small polishing surface.

[0005] To solve the above problems, the utility model provides an optical fiber ferrule end face polishing device, including a clamping disc and a positioning disc. The positioning disc is provided with positioning holes for the optical fiber ferrule to extend out. The positioning holes are arranged in a circumferential array. The clamping points on the clamping disc correspond to the positioning holes. Above each positioning hole, there is a rotating concave polishing bowl. The periphery of the positioning disc is fixedly connected with a dust-proof cover, and the clamping disc can elastically slide within the dust-proof cover.

[0006] The optical fiber ferrule end face polishing device provided by the utility model also has the following technical features:

[0007] Further, a gear box is provided above the concave polishing bowl. The gear box is provided with an upper support plate and a lower support plate. The concave polishing bowl is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the upper support plate and the lower support plate.

[0008] Further, a gear is fixedly connected to each rotating shaft between the upper support plate and the lower support plate. The periphery of the gear is meshed with an internal gear ring, and at least one driving gear is arranged in the gear.

[0009] Further, the part of the rotating shaft of the driving gear extending out of the upper support plate is fixedly connected with a driving gear. The upper support plate and the lower support plate are rotatably connected with a main shaft, and a main gear meshing with the driving gear is arranged on the main shaft.

[0010] Further, a motor is fixedly connected to the top of the gear box, and the driving shaft of the motor is fixedly connected with the main shaft.

[0011] Further, a bracket is provided at the bottom of the dust cover. A sliding rod is fixedly connected between the bottom plate of the bracket and the positioning disc, and the clamping disc is slidably connected to the sliding rod.

[0012] Further, a spring is sleeved on the sliding rod. One end of the spring abuts against the bottom plate of the bracket, and the other end of the spring abuts against the bottom of the clamping disc.

[0013] Further, a vertical groove is provided on the bracket. A slider is slidably connected in the vertical groove. The slider is fixedly connected to the clamping disc, and a limiting groove for temporarily fixing the slider is provided on the side of the vertical groove.

[0014] The utility model has the following beneficial effects: The optical fiber ferrule end face polishing device described in this application uses the concave polishing bowls opposite to the positioning holes to rotate and polish each corresponding independent concave polishing bowl of the optical fiber ferrule, so that multiple optical fiber ferrules arranged in an array can be polished simultaneously on the curved surface, meeting the requirements for the size of the polished surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a partial sectional axonometric view of the optical fiber ferrule end face polishing device according to an embodiment of the utility model;

[0016] Figure 2 is an axonometric view of the optical fiber ferrule end face polishing device according to an embodiment of the utility model;

[0017] Figure 3 is a front sectional view of the optical fiber ferrule end face polishing device according to an embodiment of the utility model;

[0018] Figure 4 is a schematic diagram of the gear relationship of the optical fiber ferrule end face polishing device according to an embodiment of the utility model;

[0019] Figure 5 is a top sectional view of the gear box of the optical fiber ferrule end face polishing device according to an embodiment of the utility model;

[0020] Figure 6 is a top sectional view of the gear box of the optical fiber ferrule end face polishing device according to an embodiment of the utility model.

[0021] (1 - clamping disc, 2 - positioning disc, 3 - positioning hole, 4 - clamping point position, 5 - concave polishing bowl, 6 - dust cover, 7 - gear box, 8 - upper support plate, 9 - lower support plate, 10 - rotating shaft, 11 - gear, 12 - internal gear ring, 13 - driving gear, 14 - driven gear, 15 - main shaft, 16 - main gear, 17 - motor, 18 - bracket, 19 - sliding rod, 20 - spring, 21 - vertical groove, 22 - slider, 23 - limiting groove) DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0023] As Figures 1 to 6 shown in the embodiment of the optical fiber ferrule end face polishing device of the present utility model, the optical fiber ferrule end face polishing device includes a clamping disc 1 and a positioning disc 2. A positioning hole 3 for the optical fiber ferrule to extend out is provided on the positioning disc 2. The positioning holes 3 are arranged in a circumferential array. The clamping points 4 on the clamping disc 1 correspond to the positioning holes 3. Above each positioning hole 3, there is a rotating concave polishing bowl 5. A dust-proof cover 6 is fixedly connected to the periphery of the positioning disc 2. The clamping disc 1 can elastically slide within the dust-proof cover 6.

[0024] Specifically, the optical fiber ferrule to be polished is fixed at the clamping point 4 of the clamping disc 1, and the optical fiber ferrule extends out from the positioning hole 3 and abuts against the inside of the concave polishing bowl 5. The concave polishing bowl 5 is rotated to polish the end face of the optical fiber ferrule by using the concave surface until the polishing is completed. The downward concave polishing bowl 5 can make the dust generated by polishing fall down to avoid accumulation in the concave polishing bowl 5. The dust-proof cover 6 prevents the dust generated by polishing from spreading outwards. It should be noted that the concave arc of the concave polishing bowl 5 is adapted to the arc of the PC and UPC end face structures.

[0025] In an embodiment of the present application, preferably, a gear box 7 is provided above the concave polishing bowl 5. An upper support plate 8 and a lower support plate 9 are provided inside the gear box 7. The concave polishing bowl 5 is fixedly connected with a rotating shaft 10. The rotating shaft 10 is rotationally connected to the upper support plate 8 and the lower support plate 9, which is used to support the balance of the rotating shaft 10 during rotation and avoid tilting.

[0026] In an embodiment of the present application, preferably, a gear 11 is fixedly connected to each rotating shaft 10 between the upper support plate 8 and the lower support plate 9. An internal gear ring 12 is meshed with the periphery of the gear 11. At least one driving gear 13 is provided in the gear 11, which is used to drive the internal gear ring 12 to rotate through the driving gear 13 and drive each rotating shaft 10 to rotate synchronously.

[0027] In an embodiment of the present application, preferably, a part of the rotating shaft 10 of the driving gear 13 extending out of the upper support plate 8 is fixedly connected with a driving gear 14. A main shaft 15 is rotationally connected between the upper support plate 8 and the lower support plate 9. A main gear 16 meshing with the driving gear 14 is provided on the main shaft 15, which is used to make the driving gear 14 rotate and drive the driving gear 13 coaxial with the driving gear 14 to rotate.

[0028] In an embodiment of the present application, preferably, a motor 17 is fixedly connected to the top of the gear box 7. The driving shaft of the motor 17 is fixedly connected with the main shaft 15, which is used to drive the main shaft 15 to rotate.

[0029] In one embodiment of the present application, preferably, a bracket 18 is provided at the bottom of the dust cover 6. A slide bar 19 is fixedly connected between the bottom plate of the bracket 18 and the positioning disk 1. The clamping disk 1 is slidably connected to the slide bar 19, so that the clamping disk 1 can be lowered to the bottom of the bracket 18 to facilitate the replacement of the polished optical fiber ferrule.

[0030] In one embodiment of the present application, preferably, a spring 20 is sleeved on the slide bar 19. One end of the spring 20 abuts against the bottom plate of the bracket 18, and the other end of the spring 20 abuts against the bottom of the clamping disk 1, so as to keep the optical fiber ferrule on the clamping disk 1 always abutting against the concave polishing bowl 5 during polishing.

[0031] In one embodiment of the present application, preferably, a vertical groove 21 is provided on the bracket 18. A slider 22 is slidably connected in the vertical groove 21. The slider 22 is fixedly connected to the clamping disk 1. A limiting groove 23 for temporarily fixing the slider is provided on the side of the vertical groove 21, so that when the clamping disk 1 is lowered and rotated, the slider 22 is clamped into the limiting groove 23 to temporarily fix the clamping disk 1, which is convenient for replacing the optical fiber ferrule.

[0032] In summary, for the optical fiber ferrule end face polishing device in the above embodiments of the present utility model, specifically, press down the slider 22 of the clamping disk 1 to the limiting groove 23 and snap it into the limiting groove 23 to fix the optical fiber ferrule to be polished on the clamping disk 1. Rotate the clamping disk 1 out of the limiting groove 23. Under the action of the spring 20, the clamping disk 1 rises until the optical fiber ferrule extends out of the positioning hole 3 and abuts against the concave polishing bowl 5. Start the motor 17. The motor 17 drives the main shaft 15 to drive the main gear 16 to rotate, so that the driving gear 14 drives the coaxial driving gear 13 to rotate. The driving gear 13 drives the internal gear ring 12 to rotate. The internal gear ring 12 drives the gear 11 on the rotating shaft 10 to rotate, so that the concave polishing bowl 5 rotates synchronously. During rotation, the end face of the optical fiber ferrule always abuts against the concave polishing bowl 5. After polishing, lower the clamping disk 1 to replace the optical fiber ferrule; this device polishes each optical fiber ferrule by using each rotating concave polishing bowl 5, and uses the concave surface to polish the end face of the optical fiber ferrule, which is applicable to the PC and UPC end face structures.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A fiber optic ferrule end face polishing device, characterized in that: It includes a clamping plate and a positioning plate. The positioning plate is provided with positioning holes for the optical fiber core to extend out. The positioning holes are arranged in a circular array. The clamping points on the clamping plate correspond to the positioning holes. A rotating concave polished bowl is provided above each positioning hole. A dust cover is fixedly connected to the periphery of the positioning plate, and the clamping plate can slide elastically in the dust cover.

2. The optical fiber ferrule end face polishing device according to claim 1, characterized in that: A gear box is arranged above the concave polishing bowl, an upper support plate and a lower support plate are arranged inside the gear box, and a rotating shaft is fixedly connected to the concave polishing bowl, and the rotating shaft is rotatably connected to the upper support plate and the lower support plate.

3. The optical fiber ferrule end face polishing device according to claim 2, characterized in that: A gear is fixedly connected to each rotating shaft between the upper supporting plate and the lower supporting plate, an inner gear ring is meshed on the periphery of the gear, and at least one driving gear is arranged in the gear.

4. The optical fiber ferrule end face polishing device according to claim 3, characterized in that: The portion of the rotating shaft of the driving gear extending out of the upper support plate is fixedly connected to the driving gear, and the upper support plate and the lower support plate are rotatably connected to the main shaft, and the main shaft is provided with a main gear meshing with the driving gear.

5. The optical fiber ferrule end face polishing device according to claim 4, characterized in that: A motor is fixedly connected to the top of the gear box, and a driving shaft of the motor is fixedly connected to the main shaft.

6. The optical fiber ferrule end face polishing device according to claim 1, characterized in that: A bracket is provided at the bottom of the dust cover, a sliding rod is fixedly connected between the bottom plate of the bracket and the positioning plate, and the clamping plate is slidably connected to the sliding rod.

7. The optical fiber ferrule end face polishing device according to claim 6, characterized in that: A spring is sleeved on the slide bar, one end of the spring abuts against the bottom plate of the bracket, and the other end of the spring abuts against the bottom of the clamping plate.

8. The optical fiber ferrule end face polishing device according to claim 7, characterized in that: The bracket is provided with a vertical groove, a slider is slidably connected in the vertical groove, the slider is fixedly connected to the clamping plate, and a limiting groove for temporarily fixing the slider is provided on the side of the vertical groove.

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