Optical fiber grinding clamp

Abstract

The utility model relates to an optical fiber grinding clamp which comprises a disc body, an installation base is arranged on the disc body, a round hole channel is formed in the installation base, a sliding ejector rod is installed in the round hole channel, the sliding ejector rod is in clearance fit with the round hole channel, and the front end of the sliding ejector rod is connected with a floating pressing block; the optical fiber head is installed in a rectangular hole in the disc body, the floating pressing block is arranged on the rear side of the rectangular hole, a clamping wrench is hinged to the installation base and arranged at the rear end of the sliding ejector rod in a deflectable mode, and the sliding ejector rod can slide in a telescopic mode along with deflection of the clamping wrench. And the floating pressing block precursor can be driven to clamp and press the optical fiber head. According to the optical fiber grinding clamp, the technical problems that an existing clamp is low in clamping precision, complex in clamping and the like can be solved, and an optical fiber head can be stably and reliably clamped and pressed through mutual connection and matching of the clamping spanner, the sliding ejector rod and the floating pressing block.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical fiber grinding, in particular to an optical fiber grinding clamp. BACKGROUND

[0002] Optical fiber transmission has the advantages of long transmission distance, strong anti-interference, low loss, good security, long service life, small size and light weight. With the development of science and technology, optical fiber transmission is widely used in production and life. As the carrier of optical path transmission, optical fiber needs to be connected to various control devices in the transmission and control process, so optical fiber plays an important role in modern communication. Due to the accuracy requirement of optical signal transmission, the end face of optical fiber connection also has high quality requirement standard. The end face of optical fiber connection usually needs to go through many processes such as glue removal, cleaning, multi-channel grinding, end face detection, 3D interferometer detection and optical return loss detection to complete the production.

[0003] When grinding, the clamp is used to clamp the optical fiber head and place it on the grinding machine for grinding. When the grinding clamp clamps the optical fiber head, the stability of repeated clamping of the optical fiber head needs to be ensured to ensure that the APC optical fiber head after grinding has good consistency. The clamping accuracy of the grinding clamp directly affects the X-axis and Y-axis angles of the optical fiber head after grinding. In the existing optical fiber head production process, the X-axis angle of the optical fiber head needs to be ensured to be 0°±0.15, and the Y-axis angle needs to be ensured to be 8°±0.15. Figure 1

[0004] There are many kinds of existing optical fiber grinding clamps, which can be divided into two types in general:

[0005] The first type is a fast clamping clamp with elastic clamping, as shown in Figures 2-4 When clamping, the optical fiber head is inserted under the elastic pressing block, the elastic pressing block presses the optical fiber head to the disc body for positioning, and the side sliding pressing block is locked. This clamping method has the problem that the elastic pressing block fails in elasticity during use, resulting in loss of clamping accuracy of the optical fiber head, and the optical fiber head cannot be effectively pressed on the disc body, causing the X-axis angle of the optical fiber head to deviate during grinding.

[0006] The second type is a threaded locking clamp, as shown in Figures 5-7 The threaded locking clamp drives the pressing block through a ball head threaded jack, locks the ball head threaded jack pressing block, presses the optical fiber head to the disc body for positioning and locking. This clamping method has the disadvantages of complicated clamping, large threaded gap and unstable clamping. CONTENT OF THE INVENTION

[0007] The purpose of the present application is to provide an optical fiber grinding clamp which can solve the above technical problems and stably and reliably clamp the optical fiber head.

[0008] ​In order to achieve the above object, the utility model provides a kind of optical fiber grinding fixture, comprising: disc body, the disc body is provided with mounting seat, the mounting seat is provided with circular channel, sliding ejector rod is installed in the circular channel, the sliding ejector rod is matched with the clearance of the circular channel, and the front end of the sliding ejector rod is connected with floating press block;

[0009] Optical fiber head, the optical fiber head is installed in the rectangular hole on the disc body, the floating press block is arranged at the rear side of the rectangular hole, the mounting seat is hinged with clamping wrench, the clamping wrench is deflectably arranged at the rear end of the sliding ejector rod, the sliding ejector rod can follow the deflection telescopic sliding of the clamping wrench, and can drive the floating press block to drive the clamping and compression of optical fiber head.

[0010] In optional implementation, the sliding ejector rod includes ejector rod ball head at the front end, the floating press block is provided with ball groove, and the sliding ejector rod is movably connected with the floating press block by the cooperation of the ejector rod ball head and the ball groove.

[0011] In optional implementation, the mounting seat is provided with square groove, and the floating press block includes press block side wall of planar structure at both sides, which is matched with the clearance of groove surface of the square groove.

[0012] In optional implementation, the floating press block includes clamping part and compression part distributed upwards and downwards, the optical fiber head includes base body square column and top convex square column, the clamping part includes clamping notch capable of clamping and cooperating with top convex square column, and the compression part includes compression side wall capable of compression and cooperating with base body square column at front side.

[0013] In optional implementation, the circular channel is provided with spring, the spring is clamped on the outside of the sliding ejector rod, the circular channel is provided with step surface inside, the sliding ejector rod includes outer convex ring table at tail end, the both ends of the spring are respectively abutted on the step surface and the outer convex ring table, and the outer diameter of the outer convex ring table is less than the hole diameter of the circular channel.

[0014] In optional implementation, the mounting seat is provided with top notch groove, the clamping wrench is installed in the top notch groove, the pin shaft is transversely inserted in the top notch groove, the pin shaft passes through the pin hole of the clamping wrench, and the both ends of the pin shaft are lap-jointed and installed at both sides of the top notch groove.

[0015] In optional implementation, the clamping wrench includes eccentric part at the rear end of the sliding ejector rod, and wrench part integrally arranged with the eccentric part, the eccentric part includes unlocking side wall and locking side wall, the unlocking side wall and the locking side wall are perpendicular to each other and are smoothly transitioned through circular surface.

[0016] In an optional embodiment, the distance between the locking side wall and the pin hole is greater than the distance between the unlocking side wall and the pin hole, and a limiting notch groove capable of engaging the outer convex ring table is arranged on the eccentric part, and the limiting notch groove is arranged opposite to the locking side wall on both sides of the pin hole.

[0017] In an optional embodiment, the mounting seat is arranged around the edge of the disc body and is closely arranged between adjacent mounting seats, and each fiber head is independently mounted on the corresponding mounting seat.

[0018] In an optional embodiment, a limiting square block is arranged between the top convex square column and the base square column, and the fiber head is clamped and pressed in the rectangular hole through the limiting square block.

[0019] By arranging the floating pressing block to clamp and press the fiber head, the initial state of the fiber head can be freely adapted, the extension and retraction of the sliding jack drives the floating pressing block to clamp and press the fiber head on the disc body, and the problem of elastic pressing block failure of the elastic clamping quick fixture is solved, thereby providing stable fixing conditions for clamping the fiber head.

[0020] By adopting the form of gap cooperation between the sliding jack and the mounting seat circular hole, the cooperation precision can be improved, the extension and retraction of the sliding jack is more stable, and the problems of large thread cooperation gap of the thread locking fixture and unstable clamping of the ball head thread jack are solved.

[0021] By adopting the form of deflection of the clamping wrench driving the extension and retraction of the sliding jack, the clamping wrench can push the sliding jack during clamping and pressing, and the sliding jack can drive the floating pressing block to press the fiber head, so that the clamping is more stable and efficient, the clamping efficiency can be greatly improved, and the cumbersome clamping operation of using torque to lock the fiber head during clamping of the thread jack locking structure is solved.

[0022] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0024] Figure 1 The structure of the fiber head is shown in the figure.

[0025] Figure 2 The structure of the elastic clamping quick fixture in the prior art is shown in the figure.

[0026] Figure 3 is a partial structure enlarged schematic view in Figure 2

[0027] Figure 4 is a partial sectional structure schematic view in Figure 3

[0028] Figure 5 is a structure schematic view of a prior art thread locking clamp;

[0029] Figure 6 is a partial structure enlarged schematic view in Figure 5

[0030] Figure 7 is a partial sectional structure schematic view in Figure 6

[0031] Figure 8 is a structure schematic view of a fiber grinding clamp in the present application;

[0032] Figure 9 is a partial structure enlarged schematic view in Figure 8

[0033] Figure 10 is a partial sectional structure schematic view in Figure 9

[0034] Figure 11 is a structure schematic view of a floating pressing block.

[0035] Figure:

[0036] 1 - disc body; 10 - rectangular hole;

[0037] 11 - elastic pressing block; 12 - sliding pressing block; 13 - threaded rod; 14 - threaded ball head ejector rod; 15 - fixed seat; 16 - pressing block;

[0038] 2 - mounting seat; 21 - circular hole; 22 - square groove; 23 - spring; 24 - step surface; 25 - top notch groove; 26 - pin shaft;

[0039] 3 - sliding ejector rod; 31 - ejector rod ball head; 32 - outer convex ring platform;

[0040] 4 - floating pressing block; 4a - clamping part; 4b - pressing part; 41 - ball groove; 42 - pressing block side wall; 43 - clamping notch; 44 - pressing side wall;

[0041] 5 - fiber head; 51 - base body square column; 52 - top convex square column; 53 - limiting square block;

[0042] ​​​​​​6-clip wrench; 6a- eccentric part; 6b- wrench part; 61- pin hole; 62- unlocking side wall; 63- locking side wall; 64- circular arc surface; 65- limiting notch groove. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0044] In the description of the present application, it should be noted that the positions or location relationships indicated by the terms "inner", "outer" and the like are based on the positions or location relationships shown in the drawings, or the positions or location relationships of the products of the present application when they are usually placed, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0045] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "set", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] Referring to Figures 8-11 The optical fiber grinding clamp in the present application comprises a disc body 1, the disc body 1 is provided with a mounting seat 2, a circular hole 21 is arranged on each mounting seat 2, and a slidable sliding rod 3 is installed in the circular hole 21. By making the sliding rod 3 and the circular hole 21 fit in clearance, the sliding of the sliding rod 3 can be more stable.

[0047] The front end of the sliding ejector rod 3 is connected with a floating pressing block 4, the disc body 1 is provided with a rectangular hole 10, the optical fiber head 5 is installed in the rectangular hole 10 on the disc body 1, the floating pressing block 4 is arranged at the rear side of the rectangular hole 10, the mounting seat 2 is hinged with a clamping wrench 6, the clamping wrench 6 is arranged on the rear end of the sliding ejector rod 3 in a deflectable manner, through the mutual connection of the clamping wrench 6, the sliding ejector rod 3 and the floating pressing block 4, the sliding ejector rod 3 can slide in the circular hole 21 by following the deflection of the clamping wrench 6, and in the clamping and pressing process, the sliding ejector rod 3 can drive the floating pressing block 4 to extend outward, and the optical fiber head 5 can be clamped and pressed on the disc body 1.

[0048] In the existing optical fiber grinding clamp, such as the elastic clamping quick mounting clamp shown in the figure, the elastic clamping quick mounting clamp comprises a disc body 1, an elastic pressing block 11, a sliding pressing block 12 and a threaded rod 13. Figures 2-4 When grinding, the optical fiber heads 5 are respectively installed in the 24 hole positions of the grinding clamp, and the optical fiber heads 5 are ground by cooperating with the grinding machine.

[0049] The optical fiber heads 5 are installed below the elastic pressing block 11, so that the optical fiber heads 5 are tightly attached to the upper surface of the disc body 1. When the elastic pressing block 11 fails, the optical fiber heads 5 cannot be attached to the disc body 1, which causes the grinding angle of the optical fiber head 5 shaft to deviate, and generates defective products.

[0050] In another existing clamp, such as the threaded locking clamp shown in the figure, the threaded locking clamp comprises a disc body 1, a ball head threaded ejector rod 14, a fixed seat 15 and a pressing block 16. Figures 5-7 When grinding, the optical fiber heads 5 are respectively installed in the 24 hole positions of the grinding clamp, and the optical fiber heads 5 are ground by cooperating with the grinding machine.

[0051] The optical fiber heads 5 are installed in the holes of the disc body 1, the ball head threaded ejector rod 14 is locked by a torque wrench, and the pressing block 16 is attached to the optical fiber heads 5 under the action of the ball head threaded ejector rod 14, so that the optical fiber heads 5 are pressed against the disc body 1 and locked. When the ball head threaded ejector rod 14 drives the pressing block 16 to press the optical fiber heads 5, the pressing block 16 swings due to the too large gap between the ball head threaded ejector rod 14 and the fixed seat 15, which causes the pressing force on the optical fiber heads 5 to be too large or the optical fiber heads 5 to be unable to be pressed tightly, and the optical fiber heads 5 are damaged or cannot be clamped in place.

[0052] Through the optical fiber grinding clamp in the utility model, the technical problems of low clamping precision and complicated clamping in the existing clamp can be solved, and the optical fiber head 5 is stably and reliably clamped and pressed through the mutual connection of the clamping wrench 6, the sliding ejector rod 3 and the floating pressing block 4.

[0053] In one of the specific embodiments, the sliding ejector rod 3 comprises an ejector rod ball head 31 at the front end, the floating pressing block 4 is provided with a ball groove 41, the ejector rod ball head 31 is accommodated in the ball groove 41, the sliding ejector rod 3 and the floating pressing block 4 are movably connected through the cooperation of the ejector rod ball head 31 and the ball groove 41, which can movably connect the floating pressing block 4 at the head end of the sliding ejector rod 3, and can facilitate the floating pressing block 4 to freely adapt to the initial installation state of the optical fiber head 5 in the rectangular hole 10 of the disc body 1, and further enable the floating pressing block 4 to deflect relative to the sliding ejector rod 3 during the pressing process, thereby ensuring the stable effect of clamping and pressing the optical fiber head 5.

[0054] Based on the movable cooperation of the sliding ejector rod 3 and the floating pressing block 4 through the ejector rod ball head 31 and the ball groove 41, in order to prevent the floating pressing block 4 from deflecting randomly in the three-dimensional space, it is necessary to limit the deflection range of the floating pressing block 4 on the mounting seat 2. Based on this, a square groove 22 is arranged on the mounting seat 2, and the floating pressing block 4 is accommodated in the square groove 22. Further, the floating pressing block 4 comprises a planar structure pressing block side wall 42 on both sides, which is in clearance fit with the groove surface of the square groove 22. Through the intermittent fit of the planar structure pressing block side wall 42 and the planar groove surface of the square groove 22, the floating pressing block 4 can only be deflected upward and downward relative to the sliding ejector rod 3, thereby regulating the deflection direction of the floating pressing block 4 during the pressing process, and ensuring the reliability of clamping and pressing the optical fiber head 5.

[0055] From the specific component structure of the floating pressing block 4, the floating pressing block 4 comprises an upper and lower distributed clamping part 4a and a pressing part 4b, and the ball groove 41 is arranged at the back side of the joint between the clamping part 4a and the pressing part 4b.

[0056] The structure of the optical fiber head 5 itself comprises a base square column 51 and a top convex square column 52. The base square column 51 is located at the lower part and is mainly used to accommodate in the rectangular hole 10 of the disc body 1. The top convex square column 52 is located at the upper part. In the specific clamping and pressing state, the pressing part 4b of the floating pressing block 4 mainly corresponds to the pressing of the base square column 51. Further, the pressing part 4b of the floating pressing block 4 comprises a pressing side wall 44 on the front side which can be pressed and fitted with the base square column 51.

[0057] The clamping part 4a of the floating pressing block 4 mainly corresponds to the clamping and pressing of the top convex square column 52. Further, the clamping part 4a of the floating pressing block 4 comprises a clamping notch 43 which can be clamped and fitted with the top convex square column 52.

[0058] When the floating pressing block 4 contacts the optical fiber head 5 under the pushing action of the sliding top rod 3, the contact compression of the pressing part 4b to the base square column 51 is first performed, and with further pre-compression, the ball head articulation of the floating pressing block 4 on the sliding top rod 3 is combined, and the ball groove 41 is arranged at the position of the back side of the joint part 4a and the joint part 4b, so that the floating pressing block 4 can be deflected as a whole with the ball groove 41 as the deflection base point, the joint part 4a of the floating pressing block 4 is deflected forward, until the clamping gap 43 is clamped on the top convex square column 52 of the optical fiber head 5, and the clamping compression is completed. Preferably, in order to enable the clamping gap 43 and the top convex square column 52 to be stably engaged, the transverse size of the clamping gap 43 is greater than the transverse size of the top convex square column 52 on the optical fiber head 5, so as to ensure the effective and reliable degree of the clamping and compressing joint part 4a.

[0059] In another specific embodiment, in order to enable the sliding top rod 3 to reciprocate in the circular channel 21 in the locked state and the unlocked state, a spring 23 is arranged in the circular channel 21, the spring 23 is preferably in the form of a compression spring, and can be freely reset to the initial state after the pushing force of the sliding top rod 3 is removed by the clamping wrench 6. At the same time, the sliding top rod 3 can flexibly and bufferingly push the floating pressing block 4 in the process of pushing the sliding top rod 3 by the clamping wrench 6, thereby ensuring the effect of flexibly clamping and compressing the optical fiber head 5.

[0060] From the installation structure of the spring 23, the spring 23 is clamped on the outside of the sliding top rod 3, the circular channel 21 includes two sections with different diameters, and a step surface 24 is arranged between the two sections inside the circular channel 21. The sliding top rod 3 includes an outer convex ring table 32 at the tail end, and the two ends of the spring 23 are respectively abutted on the ring surface of the step surface 24 and the outer convex ring table 32, so that the spring 23 can be positionally and press-fitted.

[0061] In order to enable the sliding top rod 3 to enter the circular channel 21 as a whole, the outer diameter of the outer convex ring table 32 is smaller than the hole diameter of the circular channel 21, and further, the clamping wrench 6 can always abut against the tail end surface of the sliding top rod 3, and the spring 23 sleeved on the outside of the sliding top rod 3 can realize the free expansion and contraction of the sliding top rod 3 in the circular channel 21 during the turning process of the clamping wrench 6.

[0062] From the perspective of the installation of the clamping wrench 6 which can be turned, a top gap groove 25 is arranged on the mounting seat 2, the top gap groove 25 is arranged at the top of the rear side of the mounting seat 2, the clamping wrench 6 is installed in the top gap groove 25, a pin shaft 26 is transversely inserted in the top gap groove 25, a pin hole 61 is arranged on the clamping wrench 6, the pin shaft 26 passes through the pin hole 61 of the clamping wrench 6, and the two ends of the pin shaft 26 are lapped and installed on the two sides of the top gap groove 25.

[0063] Through the setting mode, the clamping wrench 6 can be deflected on the mounting seat 2, and then the unlocking and locking states are switched.

[0064] The clamping wrench 6 in the embodiment comprises an eccentric part 6a at the rear end of the sliding top rod 3 and a wrench part 6b integrally arranged with the eccentric part 6a. The eccentric part 6a is in the form of an eccentric block, and the wrench part 6b is in the form of a long strip wrench. By turning the long strip wrench, the eccentric block can be deflected with the pin hole 61 as the base point.

[0065] Specifically, the eccentric block of the eccentric part 6a comprises an unlocking side wall 62 and a locking side wall 63, which are perpendicular to each other and are smoothly connected by an arc surface 64. During the pressing process, the locking side wall 63 and the unlocking side wall 62 can be switched in contact with the sliding top rod 3 during the deflection of the eccentric clamping wrench 6, and the arc surface 64 can ensure the smoothness during the deflection switching process.

[0066] In order to realize the eccentric block structure, the distance between the locking side wall 63 of the clamping wrench 6 and the pin hole 61 is greater than the distance between the unlocking side wall 62 and the pin hole 61. As can be seen from the drawings, the locking side wall 63 can push the sliding top rod 3 with the pin hole 61 as the base point during the lifting of the wrench part 6b, and the unlocking side wall 62 can retreat from the sliding top rod 3 with the pin hole 61 as the base point during the pressing of the wrench part 6b. In combination with the spring 23, the sliding top rod 3 can be elastically stretched and contracted in the circular channel 21 under the cooperation of the clamping wrench 6.

[0067] In the unlocked state, in order to limit the unlocking position of the clamping wrench 6, a limiting notch groove 65 capable of engaging the outer protruding ring table 32 is arranged on the eccentric part 6a, and the limiting notch groove 65 is arranged on the two sides of the pin hole 61 opposite to the locking side wall 63.

[0068] Through the setting mode, when the limiting notch groove 65 engages the side wall of the outer protruding ring table 32 during the deflection unlocking, it indicates that the unlocking is in place, which ensures the positioning effect in the unlocked state to a certain extent.

[0069] The mounting seat 2 in the utility model is arranged around the edge part of the disc body 1, which is beneficial to the deflection operation of the clamping wrench 6 by the operator, and the different adjacent mounting seats 2 are arranged closely, which can ensure the clamping number of the optical fiber head 5. Each optical fiber head 5 is independently installed on the corresponding mounting seat 2, and can be independently clamped to ensure the stability and reliability of the clamping and pressing.

[0070] In order to ensure the stable effect of the optical fiber head 5 in the oblong hole 10, a limiting block 53 is arranged between the top protruding square column 52 and the base square column 51, and the limiting block 53 is in the form of protruding from the base square column 51, so that the optical fiber head 5 is clamped and limited in the oblong hole 10 by the limiting block 53, and the clamping and pressing of the floating pressing block 4 on the optical fiber head 5 can ensure the fixing effect.

[0071] In general, the mounting seat 2 is matched with the spring 23 between the sliding top rod 3, the spring 23 can push the sliding top rod 3 to slide and reset.

[0072] When the clamping wrench 6 of the eccentric structure is rotated upward, the sliding top rod 3 is pushed to slide due to the eccentric design of the eccentric clamping wrench 6.

[0073] When the clamping wrench 6 of the eccentric structure is rotated downward, the side surface of the clamping wrench 6 is separated from the sliding top rod 3 due to the eccentric design of the eccentric clamping wrench 6, and the sliding top rod 3 is reset under the action of the spring 23.

[0074] In the utility model, the floating pressing block 4 is used to press the optical fiber head 5, the floating pressing block 4 can freely adapt to the initial position state of the optical fiber head 5, and the sliding top rod 3 drives the floating pressing block 4 to gradually press the optical fiber head 5 on the disc body 1.

[0075] The mounting seat 2 and the sliding top rod 3 are matched in the gap, the cooperation precision is higher, the movement is more stable, and the problem that the threaded top rod 14 swings due to the large gap of the threaded cooperation of the threaded locking clamp is solved.

[0076] The eccentric clamping wrench 6 is deflected to push the sliding top rod 3, the sliding top rod 3 drives the floating pressing block 4 to lock the optical fiber head 5, the clamping is more stable and efficient, and the complicated clamping operation of locking by using the torsion wrench is solved when the threaded top rod locking structure clamps the optical fiber head 5.

[0077] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0078] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Those skilled in the art can make various changes and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An optical fiber polishing fixture, characterized in that, Includes: a disc body, a mounting base on the disc body, a circular channel on the mounting base, a sliding push rod installed in the circular channel, the sliding push rod being clearance-fitted with the circular channel, and a floating pressure block connected to the front end of the sliding push rod; The fiber optic head is installed in a rectangular hole on the disk body. The floating pressure block is located on the rear side of the rectangular hole. A clamping wrench is hinged on the mounting base. The clamping wrench is rotatably located at the rear end of the sliding push rod. The sliding push rod can slide and extend with the deflection of the clamping wrench and can drive the floating pressure block to clamp and press the fiber optic head tightly.

2. The optical fiber polishing fixture according to claim 1, characterized in that, The sliding push rod includes a push rod ball head located at the front end, and the floating pressure block is provided with a ball groove. The sliding push rod and the floating pressure block are movably connected through the cooperation of the push rod ball head and the ball groove.

3. The optical fiber polishing fixture according to claim 1, characterized in that, The mounting base is provided with a square groove, and the floating pressure block includes pressure block sidewalls with planar structures on both sides, and the pressure block sidewalls are in clearance fit with the groove surface of the square groove.

4. The optical fiber polishing fixture according to claim 1, characterized in that, The floating pressure block includes a snap-fit ​​part and a pressing part distributed vertically. The optical fiber head includes a base square post and a top protruding square post. The snap-fit ​​part includes a snap-fit ​​notch that can snap into the top protruding square post. The pressing part includes a pressing sidewall located on the front side that can press into the base square post.

5. The optical fiber polishing fixture according to claim 4, characterized in that, A spring is installed in the circular channel, and the spring is clamped on the outside of the sliding top rod. A stepped surface is provided inside the circular channel. The sliding top rod includes an outer convex ring platform located at the tail end. The two ends of the spring abut against the stepped surface and the outer convex ring platform, respectively. The outer diameter of the outer convex ring platform is smaller than the diameter of the circular channel.

6. The optical fiber polishing fixture according to claim 5, characterized in that, The mounting base is provided with a top notch groove, the clamping wrench is installed in the top notch groove, a pin is transversely inserted in the top notch groove, the pin passes through the pin hole of the clamping wrench and its two ends overlap and are installed on both sides of the top notch groove.

7. The optical fiber polishing fixture according to claim 6, characterized in that, The clamping wrench includes an eccentric part located at the rear end of the sliding push rod, and a wrench part integrally formed with the eccentric part. The eccentric part includes an unlocking side wall and a locking side wall, which are perpendicular to each other and smoothly transition through an arc surface.

8. The optical fiber polishing fixture according to claim 7, characterized in that, The distance between the locking sidewall and the pin hole is greater than the distance between the unlocking sidewall and the pin hole. The eccentric part is provided with a limiting notch groove that can engage with the outer convex ring. The limiting notch groove is disposed on both sides of the pin hole opposite to the locking sidewall.

9. The optical fiber polishing fixture according to claim 6, characterized in that, The mounting bases are arranged around the edge of the disk body and are closely spaced together, with each fiber optic head independently mounted on its corresponding mounting base.

10. The optical fiber polishing fixture according to claim 6, characterized in that, A limiting block is provided between the top protruding square post and the base square post, and the optical fiber head is limited and secured in the rectangular hole by the limiting block.

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