Belt transmission type optical fiber connector grinding device

Abstract

The utility model relates to the technical field of optical fiber production, in particular to a belt transmission type optical fiber connector grinding device. The utility model provides a belt drive type optical fiber connector grinding device which comprises a supporting frame, a working table, fixing plates, sliding rails, a connecting base and a fixing base, the working table is installed on the supporting frame, the two fixing plates are installed on one side of the working table, the sliding rails are arranged on the sides, close to each other, of the two fixing plates in a sliding mode, and the connecting base is connected with the sliding rails. A connecting base is fixedly connected between the two sliding rails, and a rotatable fixing base is installed on the connecting base. The driving motor is started through the control panel, the belt conveying assembly moves the optical fiber connector to the grinding station and the cleaning station, the moving position of the optical fiber connector is kept accurate in cooperation with the infrared sensor, the belt conveying assembly can stably convey the optical fiber connector, the belt conveying structure is relatively simple, and the maintenance cost can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber production, in particular to a belt-driven optical fiber connector grinding device. Background Technique

[0002] An optical fiber connector is an important component in an optical fiber communication system. Its main function is to ensure a stable optical connection between two or more optical fibers to minimize signal loss and reflection, and it is widely used in telecommunications, data centers, local area networks, wide area networks, and other applications that require high-speed data transmission.

[0003] During the processing of optical fiber connectors, it is necessary to preliminarily grind the end face of the optical fiber to remove the burrs generated during cutting to improve the flatness of the optical fiber end face. Currently, the grinding equipment mainly uses a robotic arm to load and unload the optical fiber connector. When the robotic arm conveys the optical fiber connector, there are many action processes, and the structure of the robotic arm is relatively complex. The skill level requirements for operators during daily operation are relatively high, resulting in low stability when conveying the optical fiber connector.

[0004] Therefore, it is necessary to design a belt-driven optical fiber connector grinding device that can stably transport materials. Summary of the Utility Model

[0005] In order to overcome the disadvantages that when using a robotic arm to convey an optical fiber connector, there are many action processes, the structure of the robotic arm is relatively complex, and the skill level requirements for operators during daily operation are relatively high, resulting in low stability when conveying the optical fiber connector, the utility model provides a belt-driven optical fiber connector grinding device that can stably transport materials.

[0006] The technical implementation solution of the present utility model is as follows: A belt-driven optical fiber connector grinding device, which includes a support frame, a workbench, a fixed plate, a slide rail, a connecting seat, a fixed seat, a sandpaper fixing disk, a jacking component, a driving component, an ultrasonic cleaning tank, an ultrasonic emitter and a lifting component. The workbench is installed on the support frame. Two fixed plates are installed on one side of the workbench. Slide rails are slidably arranged on the sides of the two fixed plates close to each other. A connecting seat is fixedly connected between the two slide rails. A rotatable fixed seat is installed on the connecting seat. A sandpaper fixing disk is installed on the fixed seat. Multiple placement grooves are provided on the material placement disk. A driving component for driving the rotation of the fixing disk is arranged on the upper part of the connecting seat. A jacking component for driving the lifting of the fixed seat is jointly arranged on the two fixed plates. An ultrasonic cleaning tank is slidably arranged on the other side of the workbench. Multiple ultrasonic emitters are installed on the ultrasonic cleaning tank. A lifting component for controlling the up and down movement of the ultrasonic emitter is installed at the bottom of the workbench. It also includes a support plate, a first rotating shaft, a second rotating shaft, a belt conveying component, a connecting block, an installation bracket, a material placement disk, an infrared sensor, a stop block and a control panel. Two support plates are fixedly connected to the top of the workbench. A first rotating shaft is rotatably arranged on one side of the two support plates jointly. A second rotating shaft is rotatably arranged on the other side of each of the two support plates. The first rotating shaft and the second rotating shaft are driven by the belt conveying component. A driving motor is installed on one side of one of the support plates close to the first rotating shaft. The output shaft of the driving motor and the first rotating shaft are driven by a first transmission component. Two connecting blocks are installed on the belt conveying component. An installation bracket is installed between the four connecting blocks. A material placement disk is installed on the installation bracket. The material placement disk is located above the sandpaper fixing disk. An infrared sensor is installed on the top of one of the support plates. A stop block is installed on the side of the installation bracket close to the infrared sensor. A control panel is installed on one side of the support frame. The control panel is in signal connection with the infrared sensor and the driving motor.

[0007] More preferably, the driving component includes a first mounting plate, a first servo motor and a second transmission component. The first mounting plate is fixedly connected to the upper part of the connecting seat. The first servo motor is installed on the first mounting plate. The output shaft of the first servo motor and the fixed seat are driven by the second transmission component.

[0008] More preferably, the jacking component includes a second mounting plate, a threaded ring, a second servo motor, a third transmission component, a first connecting plate and a first screw rod. The second mounting plate is installed on the fixed plate. The threaded ring is installed on the second mounting plate. The first connecting plate is fixedly connected to the lower part of the connecting seat. The first screw rod is threadedly arranged on the threaded ring. The first screw rod is rotatably connected to the first connecting plate. The second servo motor is installed on one side of the second mounting plate. The output shaft of the second servo motor and the first screw rod are driven by the third transmission component.

[0009] More preferably, the lifting component includes a mounting rod, a third servo motor, a second connecting plate, a guide rod, and a second screw rod. The mounting rod is fixedly connected to the bottom of the workbench. The third servo motor is mounted on the mounting rod. Two guide rods are slidably arranged on the workbench. The upper ends of the two guide rods are respectively connected to both sides of the ultrasonic cleaning tank. The lower ends of the two guide rods are jointly fixedly connected to the second connecting plate. The output shaft of the third servo motor is connected to the second screw rod through a coupling. The second screw rod is in threaded connection with the second connecting plate.

[0010] More preferably, it further includes a fixing block, a pressing block, a sliding rod, and a clamping block. A plurality of fixing blocks are fixedly connected to the material placing disc along the circumferential direction. A pressing block is rotatably arranged on one side of the fixing block away from the center of the material placing disc. A sliding rod is slidably arranged in the fixing block. The sliding rod is connected to the pressing block. A clamping block is rotatably arranged on one side of the fixing block close to the center of the material placing disc. The rotation of the pressing block pushes the sliding rod to squeeze the clamping block to rotate.

[0011] More preferably, it further includes a protective door. Two protective doors are rotatably installed on each of the upper and lower sides of the support frame.

[0012] More preferably, it further includes a travel switch. The travel switch is installed on one of the support plates. The travel switch is in signal connection with the control panel and the second servo motor.

[0013] More preferably, it further includes casters. A plurality of casters are installed at the bottom of the support frame.

[0014] Compared with the prior art, the present utility model has the following advantages: 1. By starting the driving motor through the control panel, the belt conveying component moves the fiber optic connector to the grinding station and the cleaning station. Cooperating with the infrared sensor, the moving position of the fiber optic connector is kept accurate, enabling the belt conveying component to stably transport the fiber optic connector. Moreover, the belt transmission structure is relatively simple, which can effectively reduce the maintenance cost.

[0015] 2. Fix the fiber optic connector on the placement groove of the material placing disc. By rotating the pressing block downward, the clamping block cooperates with the placement groove of the material placing disc to fix the fiber optic connector, preventing the position of the fiber optic connector from changing during grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 is a three-dimensional sectional structural schematic diagram of the workbench, the support plate, and the sandpaper fixing disc of the present utility model.

[0018] Figure 3 is a three-dimensional sectional structural schematic diagram of the workbench, the mounting bracket, and the material placing disc of the present utility model.

[0019] Figure 4 This is a three-dimensional structural schematic diagram of the support plate, travel switch and infrared sensor of the present utility model.

[0020] Figure 5 This is a three-dimensional sectional structural schematic diagram of the workbench, fixing plate and mounting rod of the present utility model.

[0021] Figure 6 This is a three-dimensional structural schematic diagram of the fixing plate, fixed seat and threaded ring of the present utility model.

[0022] Figure 7 This is a three-dimensional sectional structural schematic diagram of the fixing plate, fixed seat and sandpaper fixing disc of the present utility model.

[0023] Figure 8 This is an exploded view of the fixed seat and sandpaper fixing disc of the present utility model.

[0024] Figure 9 This is a three-dimensional structural schematic diagram of the sandpaper fixing disc of the present utility model.

[0025] Figure 10 This is a three-dimensional sectional structural schematic diagram of the workbench, mounting rod and guide rod of the present utility model.

[0026] Figure 11 This is a three-dimensional structural schematic diagram of the ultrasonic cleaning tank and ultrasonic transmitter of the present utility model.

[0027] Figure 12 This is a three-dimensional structural schematic diagram of the material placement tray, fixed block and pressing block of the present utility model.

[0028] Figure 13 This is a three-dimensional sectional structural schematic diagram of the fixed block, sliding rod and clamping block of the present utility model.

[0029] The markings of each component in the drawings are as follows: 1, support frame; 2, protective door; 3, workbench; 4, support plate; 5, first rotating shaft; 6, second rotating shaft; 7, belt conveyor assembly; 8, connecting block; 9, mounting bracket; 10, material placement tray; 11, driving motor; 12, first transmission assembly; 1201, fixing plate; 13, slide rail; 14, connecting seat; 15, fixed seat; 16, sandpaper fixing disc; 17, first mounting plate; 18, first servo motor; 19, second transmission assembly; 20, second mounting plate; 21, threaded ring; 22, second servo motor; 23, third transmission assembly; 24, first connecting plate; 25, first screw rod; 26, mounting rod; 27, third servo motor; 28, guide rod; 29, second screw rod; 2901, second connecting plate; 30, ultrasonic cleaning tank; 31, ultrasonic transmitter; 32, travel switch; 33, infrared sensor; 34, fixed block; 35, pressing block; 36, sliding rod; 37, clamping block; 38, stop block; 39, control panel; 40, caster wheel. Detailed implementation manners

[0030] The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Apparently, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Embodiment 1: A belt-driven optical fiber connector grinding device, refer to Figures 1-11As shown in the figure, it includes a support frame 1, a workbench 3, a fixing plate 1201, a slide rail 13, a connecting seat 14, a fixing seat 15, a sandpaper fixing disc 16, a lifting assembly, a driving assembly, an ultrasonic cleaning tank 30, an ultrasonic transmitter 31, and a lifting assembly. A workbench 3 is installed on the support frame 1. Four casters 40 are installed at the bottom of the support frame 1, and the four casters 40 are distributed in a rectangle at the bottom of the support frame 1. The support frame 1 can be driven by the casters 40 on the ground. Two protective doors 2 are rotatably installed on each of the upper and lower sides of the support frame 1. During the grinding process of the fiber optic connector, the two protective doors 2 are closed. The protective doors 2 are used to protect the grinding of the fiber optic connector to prevent dust from falling on the grinding area and affecting the grinding. Two fixing plates 1201 are installed on the left side of the workbench 3 by means of bolt connection. Slide rails 13 are slidably arranged on the sides of the two fixing plates 1201 close to each other. A connecting seat 14 is fixedly connected between the two slide rails 13 by welding. A rotatable fixing seat 15 is installed on the connecting seat 14, and a sandpaper fixing disc 16 is installed on the fixing seat 15. The sandpaper fixing disc 16 is a stainless steel round block, and sandpaper is fixedly connected to the stainless steel round block. A plurality of placement grooves are circumferentially formed on the material placement disc 10. A driving assembly for driving the fixing disc to rotate is arranged on the upper part of the connecting seat 14. A lifting assembly for driving the fixing seat 15 to lift is arranged on the two fixing plates 1201 together. An ultrasonic cleaning tank 30 is slidably arranged on the right side of the workbench 3. A plurality of ultrasonic transmitters 31 are installed at the bottom of the ultrasonic cleaning tank 30. A lifting assembly for controlling the up and down movement of the ultrasonic transmitter 31 is installed at the bottom of the workbench 3. It also includes a support plate 4, a first rotating shaft 5, a second rotating shaft 6, a belt conveying assembly 7, a connecting block 8, a mounting bracket 9, a material placement disc 10, an infrared sensor 33, a stop block 38, and a control panel 39. Two support plates 4 are fixedly connected to the top of the workbench 3 by welding. A first rotating shaft 5 is rotatably arranged on the right sides of the two support plates 4 together. A second rotating shaft 6 is rotatably arranged on the other side of each of the two support plates 4. The first rotating shaft 5 and the second rotating shaft 6 are driven by the belt conveying assembly 7. A driving motor 11 is installed on one of the support plates 4 close to the first rotating shaft 5. The output shaft of the driving motor 11 and the first rotating shaft 5 are driven by a first transmission assembly 12. Two connecting blocks 8 are installed on the belt conveying assembly 7. A mounting bracket 9 is installed between the four connecting blocks 8. A material placement disc 10 is installed on the mounting bracket 9. The material placement disc 10 is located above the sandpaper fixing disc 16. An infrared sensor 33 is installed on the top of one of the support plates 4. A stop block 38 is installed on the mounting bracket 9 close to the infrared sensor 33. A control panel 39 is installed on one side of the support frame 1. The control panel 39 is signal-connected to the infrared sensor 33 and the driving motor 11. A travel switch 32 is installed on the support plate 4 at the rear of the workbench 3 by means of bolt connection. The travel switch 32 is signal-connected to the control panel 39 and the second servo motor 22. When the sandpaper fixing disc 16 moves up to a specified height, the travel switch 32 controls the second servo motor 22 to turn off.Avoid applying excessive pressure on the fiber optic connector during the grinding of the sandpaper fixing disk 16.

[0032] Refer to Figure 7 and Figure 8 As shown, the driving component includes a first mounting plate 17, a first servo motor 18, and a second transmission component 19. A first mounting plate 17 is fixedly connected to the upper part of the connecting seat 14. A first servo motor 18 is mounted on the first mounting plate 17. The output shaft of the first servo motor 18 is transmitted to the fixed seat 15 through the second transmission component 19.

[0033] Refer to Figure 5 and Figure 6 As shown, the jacking component includes a second mounting plate 20, a threaded ring 21, a second servo motor 22, a third transmission component 23, a first connecting plate 24, and a first screw rod 25. A second mounting plate 20 is mounted on the fixing plate 1201. A threaded ring 21 is mounted on the second mounting plate 20. A first connecting plate 24 is fixedly connected to the lower part of the connecting seat 14. A first screw rod 25 is threadedly arranged on the threaded ring 21. The first screw rod 25 is rotatably connected to the first connecting plate 24. A second servo motor 22 is mounted on one side of the second mounting plate 20. The output shaft of the second servo motor 22 is transmitted to the first screw rod 25 through the third transmission component 23.

[0034] Refer to Figure 5 and Figure 10 As shown, the lifting component includes a mounting rod 26, a third servo motor 27, a second connecting plate 2901, a guide rod 28, and a second screw rod 29. A mounting rod 26 is fixedly connected to the bottom of the workbench 3. A third servo motor 27 is mounted on the mounting rod 26. Two guide rods 28 are slidably arranged on the workbench 3. The upper ends of the two guide rods 28 are respectively connected to both sides of the ultrasonic cleaning tank 30. The lower ends of the two guide rods 28 are jointly fixedly connected to a second connecting plate 2901. The output shaft of the third servo motor 27 is connected to a second screw rod 29 through a coupling. The second screw rod 29 is threadedly connected to the second connecting plate 2901.

[0035] When the optical fiber connector needs to be ground, first add a cleaning agent into the ultrasonic cleaning tank 30, then fix the optical fiber connector on the placement groove of the material placement plate 10. Subsequently, start the drive motor 11 through the control panel 39. The drive motor 11 drives the first rotating shaft 5 through the first transmission assembly 12, and the first rotating shaft 5 drives the belt conveying assembly 7, so that the belt conveying assembly 7 drives the connecting block 8, the mounting bracket 9, the material placement plate 10, the stop block 38 and the optical fiber connector to move. When the stop block 38 moves in front of the infrared sensor 33, the stop block 38 blocks the signal emitted by the infrared sensor 33. The infrared sensor 33 receives the signal and controls the drive motor 11 to turn off through the control panel 39. At this time, the material placement plate 10 is just above the sandpaper fixing plate 16. Subsequently, start the first servo motor 18. The output shaft of the first servo motor 18 drives the fixing seat 15 to rotate through the second transmission assembly 19, and the fixing seat 15 drives the sandpaper fixing plate 16 to rotate. Then start the second servo motor 22. The output shaft of the second servo motor 22 drives the threaded ring 21 to rotate through the third transmission assembly 23, and the threaded ring 21 drives the first screw rod 25 to rotate. The first screw rod 25 drives the fixing seat 15 and the sandpaper fixing plate 16 to move upward through the connecting seat 14 until the fixing seat 15 touches the travel switch 32. The travel switch 32 controls the second servo motor 22 to turn off. At this time, the sandpaper fixing plate 16 just abuts against the optical fiber connector, avoiding excessive pressure of the sandpaper fixing plate 16 on the optical fiber connector and preventing over-grinding of the optical fiber connector by the sandpaper fixing plate 16. After grinding, control the second servo motor 22 to start and control the output shaft of the second servo motor 22 to reverse, so that the first screw rod 25 drives the fixing seat 15 and the sandpaper fixing plate 16 to move downward and reset through the connecting seat 14. Subsequently, control the belt conveying assembly 7 to operate through the drive motor 11. The belt conveying assembly 7 drives the polished optical fiber connector to move rightward above the ultrasonic cleaning tank 30, so that the belt conveying assembly 7 can stably transport it, and the belt transmission structure is relatively simple, which can effectively reduce the maintenance cost. Subsequently, start the third servo motor 27 and the ultrasonic emitter 31. Then start the third servo motor 27. The output shaft of the third servo motor 27 drives the second screw rod 29 to rotate. The second screw rod 29 drives the guide rod 28, the ultrasonic cleaning tank 30 and the ultrasonic emitter 31 to move upward through the second connecting plate 2901, so that the cleaning agent in the ultrasonic cleaning tank 30 cleans the debris on the optical fiber connector on the material placement plate 10. After cleaning, control the output shaft of the third servo motor 27 to reverse. The second screw rod 29 drives the guide rod 28, the ultrasonic cleaning tank 30 and the ultrasonic emitter 31 to move downward and reset through the second connecting plate 2901.

[0036] Embodiment 2: On the basis of Embodiment 1, refer to Figure 12 and Figure 13As shown, it further includes a fixed block 34, a pressing block 35, a sliding rod 36 and a clamping block 37. A plurality of fixed blocks 34 are fixedly connected to the material placing plate 10 along the circumferential direction. A pressing block 35 is rotatably arranged on the upper side of one side of the fixed block 34 away from the center of the material placing plate 10. A sliding rod 36 is slidably arranged in the fixed block 34. The sliding rod 36 is connected to the pressing block 35. A clamping block 37 is rotatably arranged on the side of the fixed block 34 close to the center of the material placing plate 10. The pressing block 35 rotates to push the sliding rod 36 to extrude the clamping block 37 to rotate, and the clamping block 37 cooperates with the placing groove on the material placing plate 10.

[0037] When it is necessary to fix the fiber optic connector, first rotate the pressing block 35 upward. The pressing block 35 drives the sliding rod 36 to slide upward. At this time, the sliding rod 36 no longer abuts against the clamping block 37. Then fix the fiber optic connector on the placing groove of the material placing plate 10 so that the fiber optic connector is located between the placing groove and the gap of the clamping block 37. Subsequently, rotate the pressing block 35 downward. The pressing block 35 drives the sliding rod 36 to slide downward to abut against the clamping block 37, so that the clamping block 37 cooperates with the placing groove of the material placing plate 10 to fix the fiber optic connector and prevent the fiber optic connector from changing its position during grinding.

[0038] Although the present disclosure has been shown and described with reference to specific exemplary embodiments thereof, those skilled in the art should understand that various changes in form and detail may be made therein without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. Therefore, the scope of the present disclosure should not be limited to the above embodiments, but should be determined not only by the appended claims but also by the equivalents of the appended claims.

Claims

1. A belt-driven optical fiber connector grinding device, comprising a support frame (1), a workbench (3), a fixing plate (1201), a slide rail (13), a connecting seat (14), a fixing seat (15), a sandpaper fixing disc (16), a lifting assembly, a driving assembly, an ultrasonic cleaning tank (30), an ultrasonic transmitter (31) and a lifting assembly. The workbench (3) is installed on the support frame (1). Two fixing plates (1201) are installed on one side of the workbench (3). Slide rails (13) are slidably arranged on the sides of the two fixing plates (1201) close to each other. A connecting seat (14) is fixedly connected between the two slide rails (13). A rotatable fixing seat (15) is installed on the connecting seat (14). A sandpaper fixing disc (16) is installed on the fixing seat (15). A plurality of placement grooves are formed on the material placement disc (10). A driving assembly for rotating the fixing disc is arranged on the upper part of the connecting seat (14). A lifting assembly for driving the fixing seat (15) to lift is arranged on the two fixing plates (1201) together. The ultrasonic cleaning tank (30) is slidably arranged on the other side of the workbench (3). A plurality of ultrasonic transmitters (31) are installed on the ultrasonic cleaning tank (30). A lifting assembly for controlling the up and down movement of the ultrasonic transmitter (31) is installed at the bottom of the workbench (3). It is characterized in that, It also includes a support plate (4), a first rotating shaft (5), a second rotating shaft (6), a belt conveyor assembly (7), a connecting block (8), a mounting bracket (9), a material placing tray (10), an infrared sensor (33), a stop block (38), and a control panel (39). Two support plates (4) are fixedly connected to the top of the workbench (3). A first rotating shaft (5) is rotatably arranged on one side of the two support plates (4) together, and a second rotating shaft (6) is rotatably arranged on the other side of each of the two support plates (4). The first rotating shaft (5) and the second rotating shaft (6) are driven by the belt conveyor assembly (7). A driving motor (11) is installed on one side of one of the support plates (4) close to the first rotating shaft (5), and the output shaft of the driving motor (11) and the first rotating shaft (5) are driven by a first transmission assembly (12). Two connecting blocks (8) are installed on the belt conveyor assembly (7), and a mounting bracket (9) is installed between the four connecting blocks (8). A material placing tray (10) is installed on the mounting bracket (9), and the material placing tray (10) is located above the sandpaper fixing plate (16). An infrared sensor (33) is installed on the top of one of the support plates (4), a stop block (38) is installed on one side of the mounting bracket (9) close to the infrared sensor (33), a control panel (39) is installed on one side of the support frame (1), and the control panel (39) is in signal connection with the infrared sensor (33) and the driving motor (11).

2. The belt-driven optical fiber connector grinding device according to claim 1, characterized in that, The driving assembly includes a first mounting plate (17), a first servo motor (18), and a second transmission assembly (19). The upper part of the connecting seat (14) is fixedly connected to the first mounting plate (17). The first servo motor (18) is installed on the first mounting plate (17), and the output shaft of the first servo motor (18) and the fixed seat (15) are driven by the second transmission assembly (19).

3. A belt-driven optical fiber connector grinding device according to claim 2, characterized in that, The jacking assembly includes a second mounting plate (20), a threaded ring (21), a second servo motor (22), a third transmission assembly (23), a first connecting plate (24), and a first screw rod (25). The second mounting plate (20) is installed on the fixing plate (1201). The threaded ring (21) is installed on the second mounting plate (20). The lower part of the connecting seat (14) is fixedly connected to the first connecting plate (24). The first screw rod (25) is threadedly arranged on the threaded ring (21), and the first screw rod (25) is rotatably connected to the first connecting plate (24). The second servo motor (22) is installed on one side of the second mounting plate (20), and the output shaft of the second servo motor (22) and the first screw rod (25) are driven by the third transmission assembly (23).

4. A belt-driven optical fiber connector grinding device according to claim 3, characterized in that The lifting component includes a mounting rod (26), a third servo motor (27), a second connecting plate (2901), a guide rod (28) and a second screw rod (29). The mounting rod (26) is fixedly connected to the bottom of the workbench (3). The third servo motor (27) is mounted on the mounting rod (26). Two guide rods (28) are slidably arranged on the workbench (3). The upper ends of the two guide rods (28) are respectively connected to both sides of the ultrasonic cleaning tank (30). The lower ends of the two guide rods (28) are jointly fixedly connected to the second connecting plate (2901). The output shaft of the third servo motor (27) is connected to the second screw rod (29) through a coupling. The second screw rod (29) is threadedly connected to the second connecting plate (2901).

5. A belt-driven optical fiber connector grinding device according to claim 4, characterized in that, It further includes a fixed block (34), a pressing block (35), a sliding rod (36) and a clamping block (37). A plurality of fixed blocks (34) are fixedly connected to the material placing plate (10) along the circumferential direction. A pressing block (35) is rotatably arranged on one side of the fixed block (34) away from the center of the material placing plate (10). A sliding rod (36) is slidably arranged in the fixed block (34). The sliding rod (36) is connected to the pressing block (35). A clamping block (37) is rotatably arranged on one side of the fixed block (34) close to the center of the material placing plate (10). The rotation of the pressing block (35) pushes the sliding rod (36) to squeeze the clamping block (37) to rotate.

6. The belt-driven optical fiber connector grinding device according to claim 5, characterized in that, It further includes a protective door (2). Two protective doors (2) are rotatably mounted on each of the upper and lower sides of the support frame (1).

7. The belt-driven optical fiber connector grinding device according to claim 6, characterized in that, It further includes a travel switch (32). The travel switch (32) is mounted on one of the support plates (4). The travel switch (32) is signal-connected to the control panel (39) and the second servo motor (22).

8. A belt-driven optical fiber connector grinding device according to claim 7, characterized in that, It further includes casters (40). A plurality of casters (40) are mounted on the bottom of the support frame (1).

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