Application method of optical fiber array pre-assembly tool

Abstract

The invention discloses a use method of an optical fiber array pre-assembly tool. A first positioning block is installed, an adjusting pin is pressed down, a pressing needle is lifted, one side of the first positioning block abuts against the side wall of a stop table, the first positioning block is placed on an installation base, an ejector pin slides till the ejector pin abuts against the first positioning block, and a first optical fiber array is installed in an installation groove; a second positioning block is installed, a clamping jaw air cylinder is opened, the second positioning block is placed above the first positioning block, a second optical fiber array is installed in the buckling groove, and the clamping jaw air cylinder is gathered to enable the two clamping blocks to clamp the second positioning block; adjusting the front end surfaces of the coplanar first positioning block, the second positioning block, the first optical fiber array and the second optical fiber array to be arranged in the same plane; the pressing needle is fixed to loosen the adjusting pin; the visual detection device is adjusted to be as high as the first positioning block through fine adjustment, the visual detection device is started, a visual signal transmitted by the visual detection device is observed, and the micrometer knob assembly is adjusted to enable the first optical fiber array and the second optical fiber array to reach preset positions.

Description

Technical Field

[0001] The present invention relates to the technical field of high-precision double-layer VG FA production tooling and process development, and in particular to a method for using an optical fiber array pre-assembly tooling. Background Art

[0002] As a commonly used optical fiber device, double-layer optical fiber arrays are widely used. During the production process of double-layer optical fiber arrays, the upper optical fiber array and the lower optical fiber array need to be staggered at a certain angle, so the V-groove position and width of the second positioning block and the first positioning block are different.

[0003] In the past, the first positioning block was first positioned with screws, and then the second positioning block was manually installed so that the front end face of the second positioning block was coplanar with the front end face of the first positioning block, and the left end face or the right end face of the second positioning block was coplanar with the corresponding left end face or the right end face of the first positioning block. In this way, the V-groove of the second positioning block can be staggered with the V-groove of the first positioning block, so that the upper optical fiber array and the lower optical fiber array are staggered by a certain angle. However, this assembly method requires manual adjustment of the second positioning block in four directions in the horizontal plane when assembling the product. The product has high production difficulty and low operating efficiency, and it is difficult to ensure that the product reaches the required size. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a method for using a fiber array pre-assembly tool, which can quickly and accurately assemble a double-layer fiber array, solving the problem that the double-layer fiber array is difficult to operate and the size cannot be guaranteed.

[0005] According to a method for using a fiber optic array preassembly tooling of an embodiment of the first aspect of the present invention, the fiber optic array preassembly tooling comprises: a mounting seat, a ejector pin, a first positioning block, a second positioning block, a clamping assembly, a pressing assembly, a positioning assembly and a visual detection device; the mounting seat is provided with a stopper; the ejector pin is slidably connected to the mounting seat; the ejector pin of the first positioning block abuts against the left side of the first positioning block, and the right side of the first positioning block abuts against the side wall of the stopper; a plurality of mounting grooves are provided on the upper end face of the first positioning block, and the mounting grooves are used to load the first fiber optic array; the second positioning block is arranged above the first positioning block, and a plurality of buckle grooves are provided on the lower end face of the second positioning block, and the buckle grooves are used to load the second fiber optic array, the front end face of the second positioning block is coplanar with the front end face of the first positioning block, and a support plate is provided between the second positioning block and the first positioning block, and the support plate is used to support the first fiber optic array and the second fiber optic array; the clamping assembly comprises a clamping claw cylinder, which is slidably connected to the mounting seat, and the clamping claw cylinder ... The two output ends of the cylinder are respectively connected with clamping blocks, and the two clamping blocks are connected by a rubber ring. The clamping blocks are used to clamp the second positioning block, and the clamping assembly is used to drive the second optical fiber array and the first optical fiber array to stagger at a certain angle in the left and right directions; the pressing assembly includes an adjusting pin, a pressure needle bracket, a pressure needle and a tension spring, and the adjusting pin passes through the mounting seat; the pressure needle bracket is hinged to the mounting seat, and one end of the pressure needle bracket is movably connected to the lower end of the adjusting pin; the pressure needle is movably connected to the pressure needle bracket, and the pressure needle is used to press the second positioning block; the two ends of the tension spring are respectively connected to the mounting seat and the pressure needle bracket, and the tension spring is used to drive the pressure needle to press the second positioning block; the adjustment assembly includes: a mounting frame and a micrometer knob assembly, and the mounting frame is connected to the mounting seat; the micrometer knob assembly is arranged on the mounting frame, and the micrometer knob assembly is used to push the clamping claw cylinder to slide; the visual detection device is arranged in front of the first optical fiber array, and the visual detection device is used to detect the positions of the first optical fiber array and the second optical fiber array;

[0006] The method of use includes: installing the first positioning block: pressing down the adjustment pin to lift the pressing pin, placing one side of the first positioning block against the side wall of the stop platform, placing the first positioning block on the mounting seat, sliding the ejector pin until it abuts against the first positioning block, and installing the first optical fiber array in the mounting groove;

[0007] Install the second positioning block: open the clamping claw cylinder, with the buckle slot opening downward, place the second positioning block on top of the first positioning block, install the second optical fiber array in the buckle slot, aggregate the clamping claw cylinder so that the two clamping blocks clamp the second positioning block, and connect the two clamping blocks with a rubber ring;

[0008] Adjust the coplanarity: the first positioning block, the second positioning block, the first optical fiber array and the front end surface of the second optical fiber array are all arranged in the same plane;

[0009] Fix the pressing needle and loosen the adjusting pin, so that the pressing needle presses the first positioning block and the second positioning block downward under the action of the tension spring;

[0010] Fine adjustment: adjust the visual detection device to the same height as the first positioning block, turn on the visual detection device, observe the visual signal transmitted by the visual detection device, and adjust the micrometer knob assembly to move the first optical fiber array and the second optical fiber array to the predetermined position.

[0011] According to an embodiment of the present invention, a method for using a fiber array preassembly tool has at least the following beneficial effects: by providing a first positioning block and a second positioning block, it is possible to ensure that the first fiber array and the second fiber array are accurately loaded into a specific position to achieve precise positioning; by providing a clamping assembly and a pressing assembly, it is possible to ensure that the first fiber array and the second fiber array are firmly clamped and fixed to avoid movement or dislocation during the assembly process, so as to achieve stable clamping; by providing a visual detection device, the position of the first fiber array and the second fiber array can be monitored in real time to ensure the accuracy and quality of assembly; the provided clamping claw cylinder can be adjusted as needed and is suitable for upper positioning blocks of different sizes and shapes, thereby improving versatility and flexibility, and the provided rubber ring provides preload force for the two clamping blocks; by fine adjustment through the micrometer knob assembly, the position of the first fiber array and the second fiber array can be more accurately controlled to ensure that the final assembly effect meets the requirements; the entire tooling structure is reasonably designed, and the various components are coordinated and cooperated, which is convenient for operation and maintenance, thereby improving work efficiency and production quality; the method for using and the structure of the fiber array preassembly tool make the double-layer fiber array preassembly process more efficient and accurate, while also improving the assembly quality and stability, and facilitating the use of the next process.

[0012] According to some embodiments of the present invention, the clamping assembly further includes a mounting block, one side of the mounting block is slidably connected to the mounting seat, the other side of the mounting block is connected to the clamping jaw cylinder, the spindle of the micrometer knob assembly abuts against the mounting block, and the micrometer knob assembly is used to push the mounting block to slide. The micrometer knob assembly can flexibly push the mounting block, and the positioning assembly is suitable for workpieces of different sizes or shapes.

[0013] According to some embodiments of the present invention, the two clamping blocks are provided with an inclined surface structure on one side close to the clamping jaw cylinder, and the two inclined surface structures define a first avoidance groove. The first avoidance groove is provided to avoid blocking the shooting angle of the visual inspection device.

[0014] According to some embodiments of the present invention, a second avoidance groove is further provided on the mounting seat.

[0015] According to some embodiments of the present invention, a waist-shaped hole is formed at the other end of the pressure needle bracket, and the pressure needle is connected to the waist-shaped hole by a first bolt.

[0016] According to some embodiments of the present invention, two first bolts are provided, the two first bolts are provided at the same level, and the first bolt passes through the waist-shaped hole to connect the pressure pin. By using two bolts in conjunction with the waist-shaped hole, a more secure and stable connection can be provided, thereby reducing the risk of loosening or displacement; at the same time, the provision of two bolts can evenly distribute the load, reduce the wear or damage that may be caused by single-point loads, and by increasing the connection points, the bearing capacity of the overall structure can be increased, making it more capable of coping with external pressure and vibration.

[0017] According to some embodiments of the present invention, the end of the pressure needle close to the second positioning block is set to be "U"-shaped, thereby increasing the contact surface with the second positioning block and thus improving stability and tightness.

[0018] According to some embodiments of the present invention, the mounting block is provided with a slide rail, and a sliding block is provided on the side wall of the mounting seat, and the slide rail is used to guide the sliding of the sliding block.

[0019] According to some embodiments of the present invention, the ejector pin is provided with an insert block, and a slot is further provided on the side wall of the mounting seat, and the insert block is used to be inserted into the slot. The insert block and the slot are provided to conveniently and stably install the ejector pin.

[0020] According to some embodiments of the present invention, the ejector pin is connected with a second bolt, the second bolt is threadedly connected to the mounting seat, and the second bolt is used to adjust the position of the ejector pin. The second bolt is provided to facilitate the feeding and retraction of the ejector pin and the assembly and disassembly of the first positioning block.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 Schematic diagram of the structure of the optical fiber array preassembly tooling according to an embodiment of the present invention Figure 1 ;

[0024] Figure 2 Schematic diagram of the structure of the optical fiber array preassembly tooling according to an embodiment of the present invention Figure 2 ;

[0025] Figure 3 for Figure 1 A schematic diagram of the structure of the pressing assembly and the clamping assembly shown;

[0026] Figure 4 for Figure 1 The schematic diagram of the structure of the clamping jaw cylinder and the clamping block is shown;

[0027] Figure 5 for Figure 1 The structural schematic diagram of the slider and the slide rail shown;

[0028] Figure 6 for Figure 1 A schematic structural diagram of a second bolt, a ejector pin, an insert block and a slot is shown.

[0029] The mounting seat 100, the second avoidance groove 110, the stopper 120, the ejector pin 130, and the insert block 131;

[0030] The slot 140, the second bolt 150, and the slider 160;

[0031] A first positioning block 200, a mounting groove 210, a second positioning block 300, and a buckle groove 310;

[0032] Clamping assembly 400, clamping jaw cylinder 410, clamping block 411, inclined surface structure 411a;

[0033] A first avoidance groove 412, a mounting block 420, and a slide rail 430;

[0034] Pressing assembly 500, adjusting pin 510, pressing needle bracket 520, waist-shaped hole 521;

[0035] Pressing needle 530, bolt 531, tension spring 540, connecting pin 550;

[0036] Position adjustment assembly 600, mounting bracket 610, micrometer knob assembly 620;

[0037] Visual inspection device 700 , first optical fiber array 800 , second optical fiber array 900 . DETAILED DESCRIPTION

[0038] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the invention.

[0039] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] In the description of the present invention, "several" means one or more, "more" means two or more, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0041] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0042] Reference Figures 1 to 6A method for using a pre-assembly tool for an optical fiber array, the pre-assembly tool for an optical fiber array comprising: a mounting seat 100, a pin 130, a first positioning block 200, a second positioning block 300, a clamping assembly 400, a pressing assembly 500, a positioning assembly 600 and a visual inspection device 700; the mounting seat 100 is provided with a stopper 120; the pin 130 is slidably connected to the mounting seat 100; the pin 130 of the first positioning block 200 abuts against the left side of the first positioning block 200, and the right side of the first positioning block 200 abuts against the side wall of the stopper 120; the upper end surface of the first positioning block 200 is provided with a plurality of mounting grooves 210, and the mounting grooves 210 are used for The first optical fiber array 800 is loaded; the second positioning block 300 is arranged above the first positioning block 200, and the lower end surface of the second positioning block 300 is provided with a plurality of buckle grooves 310, and the buckle grooves 310 are used to load the second optical fiber array 900, and the front end surface of the second positioning block 300 is arranged coplanar with the front end surface of the first positioning block 200, and a support plate is arranged between the second positioning block 300 and the first positioning block 200, and the support plate is used to support the first optical fiber array 800 and the second optical fiber array 900; the clamping assembly 400 includes a clamping claw cylinder 410, the clamping claw cylinder 410 is slidably connected to the mounting seat 100, and the two output ends of the clamping claw cylinder 410 The second optical fiber array 900 and the first optical fiber array 800 are respectively connected with clamping blocks 411, and the two clamping blocks 411 are connected by a rubber ring. The clamping block 411 is used to clamp the second positioning block 300, and the clamping assembly 400 is used to drive the second optical fiber array 900 to stagger a certain angle with the first optical fiber array 800 in the left and right directions; the pressing assembly 500 includes an adjusting pin 510, a pressing needle bracket 520, a pressing needle 530 and a tension spring 540, and the adjusting pin 510 passes through the mounting seat 100; the pressing needle bracket 520 is hinged to the mounting seat 100, and one end of the pressing needle bracket 520 is movably connected to the lower end of the adjusting pin 510; the pressing needle 530 is movably connected to the pressing needle bracket 520, and the pressing needle 530 is used to press the second Positioning block 300; the two ends of the tension spring 540 are respectively connected to the mounting seat 100 and the pressure needle bracket 520, and the tension spring 540 is used to drive the pressure needle 530 to press the second positioning block 300; the adjustment component 600 includes: a mounting frame 610 and a micrometer knob assembly 620, and the mounting frame 610 is connected to the mounting seat 100; the micrometer knob assembly 620 is arranged on the mounting frame 610, and the micrometer knob assembly 620 is used to push the clamping claw cylinder 410 to slide; the visual detection device 700 is arranged in front of the first optical fiber array 800, and the visual detection device 700 is used to detect the positions of the first optical fiber array 800 and the second optical fiber array 900;

[0043] The method of use includes: installing the first positioning block: pressing down the adjustment pin 510 to lift the pressing pin 530, placing one side of the first positioning block 200 against the side wall of the stop platform 120, placing it on the mounting seat 100, sliding the ejector pin 130 until it abuts against the first positioning block 200, and installing the first optical fiber array 800 in the mounting groove 210;

[0044] Install the second positioning block: open the clamping claw cylinder 410, open the buckle groove 310 downward, place the second positioning block 300 above the first positioning block 200, install the second optical fiber array 900 in the buckle groove 310, aggregate the clamping claw cylinder 410 to make the two clamping blocks 411 clamp the second positioning block 300, and connect the two clamping blocks 411 with a rubber ring;

[0045] Adjust the coplanarity: the front end surfaces of the first positioning block 200, the second positioning block 300, the first optical fiber array 800 and the second optical fiber array 900 are all arranged in the same plane;

[0046] Fix the pressing needle and loosen the adjusting pin 510. The pressing needle 530 presses the first positioning block 200 and the second positioning block 300 downward under the action of the tension spring 540.

[0047] Fine adjustment: adjust the visual inspection device 700 to the same height as the first positioning block 200, turn on the visual inspection device 700, observe the visual signal transmitted by the visual inspection device 700, and adjust the micrometer knob assembly 620 to move the first optical fiber array 800 and the second optical fiber array 900 to the predetermined position.

[0048] By setting the first positioning block 200 and the second positioning block 300, it can be ensured that the first optical fiber array 800 and the second optical fiber array 900 are accurately loaded to a specific position to achieve precise positioning; by the design of the clamping assembly and the pressing assembly, it can be ensured that the first optical fiber array 800 and the second optical fiber array 900 are firmly clamped and fixed to avoid movement or misalignment during the assembly process to achieve stable clamping; by setting the visual detection device 700, the position of the first optical fiber array 800 and the second optical fiber array 900 can be monitored in real time to ensure the accuracy and quality of the assembly; the clamping claw cylinder 410 can be adjusted as needed and is suitable for different sizes and shapes. The upper positioning block 300 improves versatility and flexibility, and the rubber ring provided provides pre-tightening force for the two clamping blocks 411; fine adjustment is performed through the micrometer knob assembly 620; fine adjustment is performed through the micrometer knob assembly 620, and the positions of the first optical fiber array 800 and the second optical fiber array 900 can be more accurately controlled to ensure that the final assembly effect meets the requirements; the entire tooling structure is reasonably designed, and the various components are coordinated and cooperated, which is convenient for operation and maintenance, and improves work efficiency and production quality; the use method and structure of the optical fiber array preassembly tooling make the double-layer optical fiber array preassembly process more efficient and accurate, while also improving the assembly quality and stability, and facilitating the use of the next process.

[0049] In some embodiments, the clamping assembly 400 further includes a mounting block 420, one side of the mounting block 420 is slidably connected to the mounting seat 100, the other side of the mounting block 420 is connected to the clamping jaw cylinder 410, the spindle of the micrometer knob assembly 620 abuts against the mounting block 420, and the micrometer knob assembly 620 is used to push the mounting block 420 to slide. The provided micrometer knob assembly 620 can flexibly push the mounting block 420. It is understandable that the clamping jaw cylinder 410 can be replaced with a spring.

[0050] In some embodiments, the movable connection mentioned is that the pressing pin 530 can move vertically to press the second positioning block 300. It is understandable that the pressing assembly 500 can be replaced by a push cylinder to achieve the function of pressing the first positioning block 200 and the second positioning block 300.

[0051] In some embodiments, the two clamping blocks 411 are provided with an inclined surface structure 411a on one side close to the clamping jaw cylinder 410, and the two inclined surface structures 411a define a first avoidance groove 412. The first avoidance groove 412 is provided to avoid blocking the shooting angle of the visual inspection device 700.

[0052] In some embodiments, the mounting base 100 is further provided with a second avoidance groove 110. The first avoidance groove 412 is provided to avoid blocking the shooting angle of the visual inspection device 700. It should be noted that the visual inspection device 700 can be configured as an industrial CCD camera, an infrared camera or a network camera.

[0053] In some embodiments, a waist-shaped hole 521 is formed at the other end of the pressure needle bracket 520 , and the pressure needle 530 is connected to the waist-shaped hole 521 via a first bolt 531 .

[0054] In some embodiments, two first bolts 531 are provided, and the two first bolts 531 are arranged at the same horizontal height, and the first bolt 531 passes through the waist-shaped hole 521 to connect the pressure needle 530. By using two bolts 531 in conjunction with the waist-shaped hole 521, a more secure and stable connection can be provided, thereby reducing the risk of loosening or displacement; at the same time, the setting of the two bolts 531 can evenly distribute the load, reduce the wear or damage that may be caused by a single-point load, and by increasing the connection points, the bearing capacity of the overall structure can be increased, making it more capable of coping with external pressure and vibration. It is understandable that the bolts 531 can also be set to one, three, four or several. In addition, it should be noted that the same horizontal height is roughly at the same height, not strictly at the same level in a mathematical sense.

[0055] In some embodiments, the end of the pressing pin 530 close to the second positioning block 300 is set to be "U" shaped. The contact surface with the second positioning block 300 is increased, thereby increasing stability and tightness. It is understandable that there can be multiple pressing pins 530, and the end of the pressing pin 530 close to the second positioning block 300 can also be set to a rounded rectangle.

[0056] In some embodiments, the mounting block 420 is provided with a slide rail 430 , and a slider 160 is provided on the side wall of the mounting base 100 . The slide rail 430 is used to guide the slider 160 to slide.

[0057] In some embodiments, the ejector pin 130 is provided with an insert block 131, and a slot 140 is further provided on the side wall of the mounting seat 100, and the insert block 131 is used to plug into the slot 140. The insert block 131 and the slot 140 are provided to facilitate and stably install the ejector pin 130. It is understandable that the insert block 131 plugging into the slot 140 can also be provided as a combination of a slider, a slide rail and a stopper, that is, either the ejector pin 130 or the mounting seat 100 is provided with a slider, and the other is provided with a slide rail, and a stopper is detachably provided on the slide rail to stop the ejector pin 130 from sliding.

[0058] In some embodiments, the ejector pin 130 is penetrated by a second bolt 150, the second bolt 150 is threadedly connected to the mounting seat 100, and the second bolt 150 is used to adjust the position of the ejector pin 130. The second bolt 150 is provided to facilitate the feeding and retraction of the ejector pin 130, and to facilitate the assembly and disassembly of the first positioning block 200. It can be understood that the second bolt 150 is threadedly connected to the mounting seat 100 to adjust the ejector pin 130, and can also be set to drive the ejector pin 130 to move with a cylinder.

[0059] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A method for using a fiber array pre-assembly tool, characterized in that: The optical fiber array pre-assembly tool comprises: The mounting seat (100) is provided with a stop platform (120); An ejector pin (130) slidably connected to the mounting seat (100); A first positioning block (200), the ejector pin (130) abuts against the left side of the first positioning block (200), the right side of the first positioning block (200) abuts against the side wall of the stop platform (120), and the upper end surface of the first positioning block (200) is provided with a plurality of mounting grooves (210), and the mounting grooves (210) are used to load the first optical fiber array (800); a second positioning block (300), arranged above the first positioning block (200); a plurality of buckle grooves (310) are arranged on the lower end surface of the second positioning block (300); the buckle grooves (310) are used to load the second optical fiber array (900); a front end surface of the second positioning block (300) is arranged coplanar with the front end surface of the first positioning block (200); a support plate (320) is arranged between the second positioning block (300) and the first positioning block (200); the support plate (320) is used to support the first optical fiber array (800) and the second optical fiber array (900); The clamping assembly (400) comprises a clamping cylinder (410), wherein the clamping cylinder (410) is slidably connected to the mounting seat (100), and two output ends of the clamping cylinder (410) are respectively connected to clamping blocks (411), and the two clamping blocks (411) are connected via a rubber ring, and the clamping blocks (411) are used to clamp the second positioning block (300), and the clamping assembly (400) is used to drive the second optical fiber array (900) to be staggered at a certain angle with the first optical fiber array (800) in the left-right direction; A pressing assembly (500) comprises an adjusting pin (510), a pressing needle bracket (520), a pressing needle (530) and a tension spring (540), wherein the adjusting pin (510) passes through the mounting seat (100); the pressing needle bracket (520) is hinged to the mounting seat (100), and one end of the pressing needle bracket (520) is movably connected to the lower end of the adjusting pin (510); the pressing needle (530) is movably connected to the pressing needle bracket (520), and the pressing needle (530) is used to press the second positioning block (300); the two ends of the tension spring (540) are respectively connected to the mounting seat (100) and the pressing needle bracket (520), and the tension spring (540) is used to drive the pressing needle (530) to press the second positioning block (300); The positioning assembly (600) comprises: a mounting frame (610) and a micrometer knob assembly (620), wherein the mounting frame (610) is connected to the mounting seat (100); the micrometer knob assembly (620) is arranged on the mounting frame (610), and the micrometer knob assembly (620) is used to push the clamping jaw cylinder (410) to slide; A visual detection device (700) is arranged in front of the first optical fiber array (800), and the visual detection device (700) is used to detect the positions of the first optical fiber array (800) and the second optical fiber array (900); Usage methods include: Installing the first positioning block: pressing down the adjustment pin (510) and lifting the pressing pin (530), placing one side of the first positioning block (200) against the side wall of the stop platform (120), placing the first positioning block (200) on the mounting seat (100), sliding the ejector pin (130) until it abuts against the first positioning block (200), and installing the first optical fiber array (800) in the mounting groove (210); Installing the second positioning block: opening the clamping claw cylinder (410), with the buckle groove (310) opening downward, placing the second positioning block (300) above the first positioning block (200), installing the second optical fiber array (900) in the buckle groove (310), converging the clamping claw cylinder (410) so that the two clamping blocks (411) clamp the second positioning block (300), and connecting the two clamping blocks (411) with a rubber ring; Adjusting the coplanarity: the front end surfaces of the first positioning block (200), the second positioning block (300), the first optical fiber array (800) and the second optical fiber array (900) are all arranged in the same plane; The pressing needle is fixed, and the adjusting pin (510) is loosened, so that the pressing needle (530) presses the first positioning block (200) and the second positioning block (300) downwards under the action of the tension spring (540); Fine adjustment: adjusting the visual detection device (700) to the same height as the first positioning block (200), turning on the visual detection device (700), observing the visual signal transmitted by the visual detection device (700), and adjusting the micrometer knob assembly (620) to move the first optical fiber array (800) and the second optical fiber array (900) to a predetermined position.

2. The method for using the optical fiber array preassembly tooling according to claim 1, characterized in that: The clamping assembly (400) further comprises a mounting block (420), one side of the mounting block (420) being slidably connected to the mounting seat (100), and the other side of the mounting block (420) being connected to the clamping jaw cylinder (410).

3. The method for using the optical fiber array preassembly tooling according to claim 2, characterized in that: A slope structure (411a) is provided on one side of the two clamping blocks (411) close to the clamping jaw cylinder (410), and the two slope structures (411a) define a first avoidance groove (412).

4. The method for using the optical fiber array preassembly tool according to claim 1, characterized in that: The mounting seat (100) is also provided with a second avoidance groove (110).

5. The method for using the optical fiber array preassembly tool according to claim 1, characterized in that: The other end of the pressure needle bracket (520) is provided with a waist-shaped hole (521), and the pressure needle (530) is connected to the waist-shaped hole (521) via a first bolt (531).

6. The method for using the optical fiber array preassembly tooling according to claim 5, characterized in that: Two first bolts (531) are provided, and the two first bolts (531) are arranged at the same horizontal height. The first bolt (531) passes through the waist-shaped hole (521) to connect the pressure needle (530).

7. The method for using the optical fiber array preassembly tool according to claim 1, characterized in that: One end of the pressing needle (530) close to the second positioning block (300) is configured to be in a "U" shape.

8. The method for using the optical fiber array preassembly tooling according to claim 1, characterized in that: The mounting block (420) is provided with a slide rail (430), and a sliding block (160) is provided on the side wall of the mounting seat (100), and the slide rail (430) is used to guide the sliding block (160) to slide.

9. The method for using the optical fiber array preassembly tool according to claim 1, characterized in that: The ejector pin (130) is provided with an insert block (131), and a slot (140) is further provided on the side wall of the mounting seat (100), and the insert block (131) is used for inserting into the slot (140).

10. The method for using the optical fiber array preassembly tooling according to claim 9, characterized in that: The ejector pin (130) is penetrated by a second bolt (150), the second bolt (150) is threadedly connected to the mounting seat (100), and the second bolt (150) is used to adjust the position of the ejector pin (130).

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