Automatic polishing line set for fiber mpo jumpers polishing

Abstract

The application provides an automatic grinding line group for optical fiber MPO jumper grinding, comprising a plurality of grinding machine groups arranged side by side, wherein the tabletop of the grinding machine group is provided with a grinding machine for placing a grinding clamp and a cleaning machine for cleaning the grinding clamp, and the tabletop of the grinding machine group is further provided with a grinding support, wherein the grinding support is provided with a linear sliding assembly located above the grinding machine and the cleaning machine, the linear sliding assembly is slidably connected with a pair of clamp holding assemblies for holding the grinding clamp, and the linear sliding assembly is used to drive the pair of clamp holding assemblies to synchronously move the optical fiber grinding clamp in a linear reciprocating motion. The automatic grinding line group of the application is in an array and group type, each grinding machine and cleaning machine forms a work station, a plurality of work stations are synchronously operated in a flow process by using a PLC controller, the grinding of the optical fiber MPO jumper can be carried out in multiple processes at the same time, and the production and grinding efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of optical fiber jumper grinding, and particularly relates to an automatic grinding line group for optical fiber MPO jumper grinding. BACKGROUND

[0002] The optical fiber MPO jumper is generally divided into glue removal, rough grinding, fine grinding, fiber pulling and polishing procedures during grinding, and each procedure needs to be assembled with a grinding clamp and ground or polished on a separate optical fiber grinding machine. However, since the tail cable of the optical fiber MPO jumper is long, the weight of the whole disc can reach 50-100 kg, and therefore, when each grinding procedure is completed, the grinding clamp needs to be disassembled, the end face of the optical fiber MPO jumper needs to be cleaned, and then the grinding clamp needs to be assembled on the grinding machine of the next procedure to continue grinding. Since the tail cable is heavy, the optical fiber MPO jumper is inconvenient to turn over during grinding, and the grinding efficiency is low. SUMMARY

[0003] In order to solve the above technical problems, the purpose of the present application is to provide an automatic grinding line group for optical fiber MPO jumper grinding, which can effectively improve the grinding efficiency by arranging the grinding machines and cleaning machines side by side to form a grinding line group, and sequentially performing grinding and cleaning without manual replacement of the grinding clamp.

[0004] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0005] An automatic grinding line group for optical fiber MPO jumper grinding comprises a plurality of grinding machine groups arranged side by side, wherein grinding machines for placing grinding clamps and cleaning machines for cleaning the grinding clamps are arranged on the grinding machine groups, grinding supports are further arranged on the grinding machine groups, linear sliding assemblies above the grinding machines and cleaning machines are arranged on the grinding supports, a pair of clamp holding assemblies for holding the grinding clamps are slidably connected to the linear sliding assemblies, and the linear sliding assemblies are used to drive the pair of clamp holding assemblies to hold and move the grinding clamps synchronously.

[0006] Further, a cable box is placed on the transmission belt.

[0007] Further, a vertical pressing assembly is arranged on at least one clamp holding assembly on one side of the grinding machine, and the vertical pressing assembly is used to press the grinding clamp on the grinding machine.

[0008] Further, clamp placing plates extending outward from the grinding machine groups are arranged on the grinding machine groups at both ends.

[0009] Further, a support assembly is arranged on the grinding machine group, and one end of the vertical pressing assembly is slidingly connected to the support assembly.

[0010] Further, the support assembly comprises a pair of spaced support columns, a linear guide plate and a sliding plate, the linear guide plate is arranged at the upper end of the support column, the sliding plate is arranged at one side of the vertical pressing assembly, and the other side of the sliding plate is slidingly connected to the linear guide plate.

[0011] Further, the linear sliding assembly comprises a linear displacement sliding table, a linear sliding plate and a connecting plate, the linear sliding plate is slidingly connected to the linear displacement sliding table, the connecting plate is arranged on the linear sliding plate, the connecting plate is parallel and spaced from the linear displacement sliding table, and a pair of the clamp holding assemblies are arranged on the connecting plate.

[0012] Further, the clamp holding assembly comprises a vertical lifting sliding table, a lifting sliding plate, a clamp cylinder and a clamping plate, the bottom of the vertical lifting sliding table is connected to the connecting plate, the vertical lifting sliding table is slidingly connected to the lifting sliding plate, the lower end of the lifting sliding plate is provided with the clamp cylinder, and the clamping plate for clamping the grinding clamp is connected to the two clamping ends of the clamp cylinder.

[0013] Further, the vertical pressing assembly comprises a pressing cylinder, a proportional valve and a pressing top rod, the pressing cylinder is arranged at the end of the clamp cylinder and between the pair of clamping plates, the pressing top rod is arranged at the telescopic end of the pressing cylinder, and the proportional valve is arranged on the pressing cylinder, so that the pressing cylinder drives the pressing top rod to move downward to press the grinding clamp on the grinding machine.

[0014] Further, the lower end of the lifting sliding plate is further provided with a longitudinal telescopic assembly, and the clamp cylinder is arranged on the longitudinal telescopic assembly; the sliding plate is arranged at one side of the pressing cylinder and opposite to the clamp cylinder.

[0015] The present application has the following advantages and effects due to the above technical scheme:

[0016] The automatic grinding line group for the optical fiber MPO jumper grinding provided by the present application is an array and group type, which is composed of multiple grinding machines and cleaning machines, each grinding machine and cleaning machine forms a station, a PLC controller can be used to uniformly control the synchronous flow production of the grinding clamps of multiple stations, manual replacement of the grinding clamps is not needed, the tail fiber cable of the optical fiber MPO jumper is placed on the conveying belt for synchronous transmission, manual handling and turnover are not needed, and the production and grinding efficiency of such products is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1It is a schematic structural diagram of the automatic grinding wire group of the present invention.

[0018] Figure 2 This is a schematic diagram of the exploded structure of the automatic grinding wire assembly of the present invention.

[0019] Figure 3 It is an isometric structural diagram of the grinding machine group of the present invention.

[0020] Figure 4 for Figure 3 main view.

[0021] Figure 5 for Figure 3 rear view.

[0022] Figure 6 for Figure 3 side view.

[0023] Figure 7 Schematic diagram of the assembly structure of the cleaning machine, grinding machine, grinding fixture, linear sliding assembly and fixture clamping assembly of the grinding machine group of the present invention Figure 1 .

[0024] Figure 8 Schematic diagram of the assembly structure of the cleaning machine, grinding machine, grinding fixture, linear sliding assembly and fixture clamping assembly of the grinding machine group of the present invention Figure 2 .

[0025] Figure 9 This is an isometric structural diagram of the linear sliding assembly of the present invention. Figure 1 .

[0026] Figure 10 This is an isometric structural diagram of the linear sliding assembly of the present invention. Figure 2 .

[0027] Figure 11 Schematic diagram of the structure of the clamping assembly and the vertical pressure assembly of the present invention Figure 1 .

[0028] Figure 12 Schematic diagram of the structure of the clamping assembly and the vertical pressure assembly of the present invention Figure 2 .

[0029] Figure 13 This is an isometric structural diagram of the pressurized cylinder of the present invention.

[0030] Fig. 1-grinding machine group, 101-cleaner, 102-grinding machine, 103-grinding clamp, 104-grinding machine cabinet, 1041-omni wheel, 1042-supporting seat, 105-linear sliding assembly, 1051-linear displacement sliding table, 1052-linear sliding plate, 1053-connection plate, 106-clamp clamping assembly, 1061-vertical lifting sliding table, 1062-lifting sliding plate, 1063-clamp cylinder, 1064-clamping plate, 1065-L-shaped sliding plate, 107-grinding support, 108-support assembly, 1081-linear guide plate, 1082-supporting column, 1083-sliding plate, 109-vertical pressing assembly, 1091-pressing cylinder, 1092-pressing jacking rod, 110-longitudinal telescopic assembly, 2-clamp placing plate, 3-conveying belt, 4-protective cover, 401-cable box. DETAILED DESCRIPTION

[0031] The embodiments of the present application will be described in detail below with reference to the accompanying drawings, so that the purpose, characteristics and advantages of the present application can be more clearly understood. It should be understood that the embodiments shown in the drawings are not a limitation on the scope of the present application, but only to illustrate the essential spirit of the technical scheme of the present application.

[0032] As shown in Figures 1-8 , Figures 11-12 , the present application provides an automatic grinding line group for optical fiber MPO jumper cable grinding, comprising a plurality of grinding machine groups 1 arranged side by side, a grinding machine 102 for placing a grinding clamp 103 and a cleaner 101 for cleaning the grinding clamp 103 are arranged on the table top of the grinding machine group 1, a grinding support 107 is also arranged on the table top of the grinding machine group 1, a linear sliding assembly 105 is arranged above the grinding machine 102 and the cleaner 101 on the grinding support 107, a pair of clamp clamping assemblies 106 for clamping the grinding clamp 103 are slidingly connected to the linear sliding assembly 105, and the linear sliding assembly 105 drives the pair of clamp clamping assemblies 106 to move synchronously in a straight line reciprocating manner to clamp the grinding clamp 103 to move synchronously.

[0033] Specifically, in the present application, five groups of grinding machine groups 1 are arranged side by side to form an automatic grinding line group, which are in turn glue removal grinding, rough grinding, fine grinding, fiber pulling grinding and polishing grinding. Of course, different groups of grinding machine groups 1 can be arranged according to different grinding processes to form an automatic grinding line group.

[0034] The grinding machine group 1 includes a grinding machine cabinet 104. Universal wheels 1041 and support seats 1042 are arranged around the bottom of the grinding machine cabinet 104 for easy movement and support. The grinder 102 and the cleaning machine 101 are arranged horizontally and spaced apart in the middle of the table of the grinding machine cabinet 104. A grinding bracket 107 is arranged at the rear end of the table of the grinding machine cabinet 104. The grinding bracket 107 is a door-type bracket. The two side columns of the door-type bracket are fixed on the table. The upper end of the grinding bracket 107 extends toward the front side of the grinding machine cabinet 104. A linear sliding assembly 105 is arranged at the end of its extended end. The linear sliding assembly 105 is located at the upper end of the grinder 102 and the cleaning machine 101.

[0035] The grinder 102 of each grinding machine group 1 is used to grind the optical fiber MPO jumper connector mounted on the grinding fixture 103, and the cleaning machine 101 is used to clean the optical fiber MPO jumper connector on the corresponding grinding fixture 103 after grinding.

[0036] The grinder 101 is preferably an automatic grinder for optical fiber connectors disclosed in publication number CN221583210U, and the cleaning machine 101 is preferably an ultrasonic cleaner.

[0037] When the grinding machine group 1 is working, the linear sliding assembly 105 on each group of grinding machine groups 1 synchronously drives a pair of grinding fixtures 103 connected thereto to move synchronously toward one side of the outer end of the grinder 102 of the grinding machine group 1 to grab the unground grinding fixture 103 on the adjacent side or the grinding fixture 103 that has completed grinding, and then moves to the other side to place the grabbed grinding fixture 103 on the corresponding cleaning machine 101 or grinding machine 102 for synchronous cleaning or grinding, and reciprocates in sequence to realize the side-by-side transmission of the grinding fixture 103 on the adjacent grinding machine groups 1 until the cleaning is completed from the last group of grinding machine groups 1 and the entire grinding process is completed.

[0038] A protective cover 4 is provided at the front side of the extended end of the grinding bracket 107 of the grinding unit 1 to protect the cleaning machine 101 and the grinding machine 102 on the grinding unit 1 to prevent the grinding liquid or the cleaning liquid from splashing when grinding or cleaning the grinding fixture 103.

[0039] At the same time, a protective door is provided on the rear side of the grinding bracket 107 of each grinding machine group 1, through which the grinding machine 102 or the cleaning machine 101 is easily installed and debugged.

[0040] Furthermore, a conveyor belt 3 is provided on the table of the grinding unit 1 , and the conveyor belt 3 extends from both ends of the grinding unit 1 .

[0041] Specifically, the transmission belt 3 is arranged on the front side of the upper end of the table top of the grinding machine cabinet 104, and is used for transmitting the tail fiber cable of the optical fiber MPO jumper wire. When the optical fiber connector on the optical fiber MPO jumper wire is fixed on the grinding clamp 103 and is sequentially transferred by the linear sliding assembly 105, the tail fiber cable of the optical fiber MPO jumper wire is placed on the transmission belt 3 for synchronous transmission.

[0042] Of course, in order to facilitate the transmission of the tail fiber cable, the cable box 401 is arranged on the transmission belt 3, and the corresponding tail fiber cable on each grinding clamp 103 can be placed in the corresponding cable box 401 for synchronous transmission.

[0043] Further, the vertical pressing assembly 109 is arranged on at least one clamp clamping assembly 106 located on one side above the grinding machine 102.

[0044] Specifically, in the present application, the vertical pressing assembly 109 is arranged on the corresponding clamp clamping assembly 106 on the side where the grinding machine 102 needs to be pressed. When the grinding clamp 103 is transferred to the corresponding grinding machine, the vertical pressing assembly 109 is used to press the grinding clamp 103.

[0045] Further, in order to facilitate the pressing of the vertical pressing assembly 109, the bracket assembly 108 is further arranged on the table top of the grinding machine group 1, and one end of the vertical pressing assembly 109 is slidably connected to the bracket assembly 108. The bracket assembly 108 is fixed on both sides of the corresponding grinding machine 101, and when the vertical pressing assembly 109 is pressed downward, the bracket assembly 108 can provide certain support.

[0046] Further, since the grinding clamp 103 needs to enter and exit from the outside of the grinding machine group 1 on both sides, the clamp placing plate 2 extending to the outside of the grinding machine group 1 is arranged on the grinding machine group 1 located at both ends.

[0047] Specifically, the grinding clamp 103 in the starting process before the glue is removed and the grinding clamp 103 after the grinding is completed can be placed on the clamp placing plate 2, so that the clamp clamping assembly 106 on the grinding machine group 1 of the first process can clamp the grinding clamp 103 in the starting process from the outside, and the clamp clamping assembly 106 on the grinding machine group 1 of the last process can place the grinding clamp 103 after the grinding on the clamp placing plate 2 for manual removal, and at the same time, the position of the grinding clamp in the previous process is released.

[0048] Further, the bracket assembly 108 comprises a pair of spaced support columns 1082, a linear guide plate 1081 and a sliding plate 1083. The linear guide plate 1081 is arranged at the upper end of the support column 1082, and the sliding plate 1083 is arranged on one side of the vertical pressing assembly 109. The other side of the sliding plate 1083 is slidably connected with the linear guide plate 1081.

[0049] Specifically, the support column 1082 is arranged integrally with the grinding clamp fixing frame on both sides of the grinding machine 1, and one side of the sliding plate 1083 is nested on the linear guide plate 1081 and can be slidably separated from the linear guide plate 1081. When the clamp clamping assembly 106 moves to the adjacent work station to grab the grinding clamp 103, the sliding plate 1083 is separated from the linear guide plate 1081. When the clamp clamping assembly 106 completes the clamping of the grinding clamp 103 and returns, the clamp clamping assembly 106 can drive the sliding plate 1083 to be nested on one side of the linear guide plate 1081, so as to facilitate the grinding clamp 103 to be stably supported by the support assembly 108 when it needs to be pressed.

[0050] As shown in Figure 9 , 10 , further, the linear sliding assembly 105 comprises a linear displacement sliding table 1051, a linear sliding plate 1052 and a connecting plate 1053. The linear displacement sliding table 1051 is slidably connected with the linear sliding plate 1052, and the connecting plate 1053 is arranged on the linear sliding plate 1052 and is parallel and spaced apart from the linear displacement sliding table 1051. A pair of clamp clamping assemblies 106 are arranged on the connecting plate 1053 in a spaced apart manner.

[0051] Specifically, the bottom of the linear displacement sliding table 1051 is fixed on the upper end of the front side extension of the grinding support 107 through the extension plate 1054, and the linear sliding plate 1052 is nested on the sliding block at the top of the linear displacement sliding table 1051. The middle part of the connecting plate 1053 is fixed on the linear sliding plate 1052, and the clamp clamping assemblies 106 are arranged at both ends of the connecting plate 1053 extending out of the linear sliding plate 1052. The clamp clamping assemblies 106 are perpendicular to the connecting plate 1053, and the distance between the pair of clamp clamping assemblies 106 is the same as the distance between the grinding machine 102 and the cleaning machine 101, so that the adjacent clamp clamping assemblies 106 on the entire grinding machine set 1 can be moved by the same distance each time and placed on the corresponding grinding machine 102 and cleaning machine 101. The linear displacement sliding table 1051 is preferably an electric sliding table, which is driven by a motor to rotate the lead screw to move the sliding block linearly.

[0052] Again as shown in Figure 11 , 12 , further, the clamp clamping assembly 106 comprises a vertical lifting sliding table 1061, a lifting sliding plate 1062, a clamp cylinder 1063 and a clamping plate 1064. The bottom of the vertical lifting sliding table 1061 is connected to the connecting plate 1053, the vertical lifting sliding table 1061 is slidably connected with the lifting sliding plate 1062, the lower end of the lifting sliding plate 1062 is provided with the clamp cylinder 1063, and the two clamping ends of the clamp cylinder 1063 are connected with the clamping plate 1064 for clamping the grinding clamp 103.

[0053] Specifically, the bottom of the vertical lifting slide 1061 is connected to the connecting plate 1053 through the support plate 109, the vertical lifting slide 1061 is perpendicular to the connecting plate 1053, the lifting slide 1062 is connected to the slider of the vertical lifting slide 1061, and when the slider of the vertical lifting slide 1061 moves to its upper end, the lower end of the lifting slide 1062 extends out of the lower end of the vertical lifting slide 1061 to facilitate the downward movement of the clamping grinding fixture 103.

[0054] The vertical lift slide 1061 is preferably an electric slide. The clamp cylinder 1063 is a finger cylinder with two opposing clamping ends. The model of clamp cylinder 1063 is preferably the AIRTAC finger cylinder HFP32. A pair of clamping plates 1064 are vertically connected to the two clamping ends of the finger cylinder. The pair of clamping plates 1064 are spaced apart to facilitate clamping the pressure column on the grinding fixture 103.

[0055] Furthermore, in order to facilitate adjustment of the position of the clamp cylinder 1063 so that it corresponds to the grinding clamp 103, a longitudinal telescopic assembly 110 is further provided at the lower end of the lifting slide 1062, and the clamp cylinder 1063 is disposed on the longitudinal telescopic assembly 110. The longitudinal telescopic assembly 110 can adjust the longitudinal position of the clamp cylinder 1063 above the grinding machine.

[0056] The telescopic end of the longitudinal telescopic assembly 110 is connected to the L-shaped slide 1065, while the fixed end of the longitudinal telescopic assembly 110 is connected to the lifting slide 1062. The clamp cylinder 1063 is located at the lower end of the L-shaped slide 1065. The longitudinal telescopic assembly 110 is a telescopic cylinder or an electric slide. The clamp cylinder 1063 is connected to the telescopic end of the telescopic cylinder or the slider of the electric slide. The telescopic cylinder model is preferably HLS20x50.

[0057] like Figure 13 Furthermore, the vertical pressurizing assembly 109 includes a pressurizing cylinder 1091, a proportional valve, and a pressurizing push rod 1092. The pressurizing cylinder 1091 is disposed at the end of the clamp cylinder 1063 and between the pair of clamping plates 1064. The pressurizing push rod 1092 is disposed at the telescopic end of the pressurizing cylinder 1091. The pressurizing cylinder 1091 is provided with a proportional valve. The proportional valve controls the pressurizing cylinder 1091 to drive the pressurizing push rod 1092 downward to pressurize the grinding fixture 103 on the grinder 102.

[0058] Specifically, one side of the pressurizing cylinder 1091 is fixed at the end of the clamp cylinder 1063 between a pair of clamping plates 1064, when the need to pressurize the grinding clamp 103, first through a pair of clamping plates 1064 on the clamp cylinder 1063 clamping the pressurizing column on the grinding clamp 103 to move the grinding clamp 103 to the grinding machine 102, then through the pressurizing cylinder 1091 drive pressurizing top rod 1092 down to pressurize the column. The upper and lower ends of the pressurizing cylinder 1091 are respectively provided with an air inlet and an air outlet, the proportional valve is installed at the air source port of the pressurizing cylinder 1091 through the air inlet and the air outlet, and the connection between the proportional valve and the air source and the pressurizing cylinder 1091 is ensured to be tight and reliable, the control signal line of the proportional valve is connected to the controller, and the pressure regulation of the pressurizing cylinder 1091 is realized by controlling the proportional valve. The model of the pressurizing cylinder 1091 is preferably SDADS20X50.

[0059] Further, the sliding plate 1083 is arranged on the side of the pressurizing cylinder 1091 opposite to the clamp cylinder 1063, one side of the sliding plate 1083 is fixed on the pressurizing cylinder 1091, and the other side of the sliding plate 1083 is provided with a U-shaped groove, the U-shaped groove is nested in one side of the linear guide plate 1081 and slides along the linear guide plate 1081, and when the pressurizing cylinder 1091 drives the pressurizing top rod 1092 to pressurize downward, the sliding plate 1083 is supported by the linear guide plate 1081 to provide support force.

[0060] In use, the grinding machine group 1 is assembled according to different grinding processes, the first grinding clamp 103 is placed on the clamp placing plate outside the first process grinding machine group 1, and then all the grinding machine groups are started synchronously, the clamp holding assembly 106 on the grinding machine group 1 moves synchronously, and the clamp holding assembly on the first process grinding machine group moves the grinding clamp 103 to the fiber grinding machine of the first process grinding machine group for grinding, then the second grinding clamp is placed on the clamp placing plate, and after the grinding clamp on the first process grinding machine group 1 is ground, the clamp holding assembly moves synchronously to hold the second grinding clamp, and the first grinding clamp is moved to the cleaning machine 101 of the first process grinding machine group for cleaning; after the first process grinding machine group completes grinding and cleaning, the third grinding clamp is continuously placed, the clamp holding assembly of the second process grinding machine group 1 moves synchronously to continuously hold the third grinding clamp, and the clamp holding assembly of the second process grinding machine group 1 moves to grab the first process cleaned grinding clamp, and the cycle is repeated to realize the grinding and cleaning of the grinding clamps on the adjacent grinding machine groups in turn, and after the last process is cleaned, the grinding clamp is moved to the clamp placing plate outside the last process grinding machine group. During the whole grinding and cleaning process, the tail fiber cable on the grinding clamp is placed in the cable box on the conveying belt for conveying.

[0061] The present invention uses a PLC controller to edit a program and control the corresponding action sequence. The PLC controller is a prior art and will not be described in detail in the present invention.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An automatic polishing wire assembly for polishing optical fiber MPO patch cords, characterized by: The invention comprises a plurality of grinding machine groups arranged side by side, wherein the grinding machine groups are provided with a grinder for placing a grinding fixture and a cleaning machine for cleaning the grinding fixture, and the grinding machine groups are also provided with a grinding bracket, and the grinding bracket is provided with a linear sliding assembly located above the grinder and the cleaning machine, and a pair of clamping assemblies for clamping the grinding fixture are slidably connected to the linear sliding assembly, and the linear sliding assembly is used to drive the pair of clamping assemblies to synchronously reciprocate linearly to clamp the grinding fixture to move synchronously; A vertical pressurizing assembly is provided on at least one side of the grinder, and the vertical pressurizing assembly is used to pressurize the grinding fixture on the grinder; A bracket assembly is also provided on the grinding machine group, and one end of the vertical pressurizing assembly is slidably connected to the bracket assembly; The support assembly includes a pair of spaced support columns, a linear guide plate and a sliding plate, wherein the linear guide plate is provided at the upper end of the support column, the sliding plate is provided on one side of the vertical pressure assembly, and the other side of the sliding plate is slidably connected to the linear guide plate; The linear sliding assembly includes a linear displacement slide, a linear slide plate and a connecting plate. The linear displacement slide is slidably connected to the linear slide plate. The connecting plate is provided on the linear slide plate. The connecting plate is parallel to and spaced apart from the linear displacement slide. A pair of the clamp clamping assemblies are spaced apart on the connecting plate. The fixture clamping assembly includes a vertical lifting slide, a lifting plate, a fixture cylinder and a clamping plate. The bottom of the vertical lifting slide is connected to the connecting plate. The vertical lifting slide is slidably connected to the lifting plate. The fixture cylinder is provided at the lower end of the lifting plate. The two clamping ends of the fixture cylinder are connected to the clamping plate for clamping the grinding fixture. The vertical pressurizing assembly includes a pressurizing cylinder, a proportional valve and a pressurizing push rod. The pressurizing cylinder is arranged at the end of the clamp cylinder and is located between a pair of clamping plates. The pressurizing push rod is arranged at the telescopic end of the pressurizing cylinder. The proportional valve is arranged on the pressurizing cylinder. The pressurizing cylinder is controlled by the proportional valve to drive the pressurizing push rod downward to pressurize the grinding clamp located on the grinder.

2. The automatic polishing wire assembly for polishing optical fiber MPO jumpers according to claim 1, characterized in that: The grinding machine group is also provided with a conveyor belt, and both ends of the conveyor belt extend out of both ends of the grinding machine group.

3. The automatic polishing wire assembly for polishing optical fiber MPO jumpers according to claim 2, characterized in that: The grinding machine groups at both ends are respectively provided with fixture placement plates extending toward the outside of the grinding machine groups.

4. The automatic polishing wire assembly for polishing optical fiber MPO jumpers according to claim 3, characterized in that: The lower end of the lifting slide is further provided with a longitudinal telescopic component, and the clamp cylinder is arranged on the longitudinal telescopic component; the sliding plate is arranged on one side of the pressurizing cylinder and is opposite to the clamp cylinder.

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