Pre-assembly tool for optical fiber array

Abstract

The utility model discloses an optical fiber array pre-assembling tool which comprises a mounting base, a first positioning block, a second positioning block, a clamping assembly, a pressing assembly, a position adjusting assembly and a visual inspection device. The first positioning block is connected with the mounting seat; a plurality of mounting grooves are formed in the upper end surface of the first positioning block; the second positioning block is arranged above the first positioning block, and a plurality of catching grooves are formed in the lower end face of the second positioning block; the clamping assembly is horizontally and slidably connected with the mounting seat in the left-right direction and is used for driving the first optical fiber array and the second optical fiber array to be staggered by a certain angle in the left-right direction; the pressing assembly is connected with the mounting seat; the position adjusting assembly is connected to the side wall of the mounting base, and the movable end of the position adjusting assembly is connected with the clamping assembly. And the visual detection device is arranged in front of the first optical fiber array.

Description

Technical Field

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

[0002] Double-layer fiber optic arrays are widely used as a common fiber optic device. During the production process of double-layer fiber optic arrays, the upper fiber array and the lower fiber array need to be staggered at a certain angle. Therefore, the position and width of the V-groove 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 right end face of the second positioning block was coplanar with the corresponding left end face or 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, low operating efficiency, and it is difficult to ensure that the product reaches the required size. Utility Model Content

[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 fiber array pre-assembly tool that can quickly and accurately assemble a double-layer fiber array, solving the problems of difficult operation and unreliable size of the double-layer fiber array.

[0005] According to the first aspect of the present invention, a fiber optic array preassembly tool comprises: a mounting seat, a first positioning block, a second positioning block, a clamping assembly, a pressing assembly, a positioning assembly and a visual detection device; the first positioning block is connected to the mounting seat, and the upper end face of the first positioning block is provided with a plurality of mounting grooves, 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 the lower end face of the second positioning block is provided with a plurality of buckle grooves, and the buckle grooves are used to load the second fiber optic array, and the front end face of the second positioning block is arranged coplanar with the front end face of the first positioning block; the clamping assembly The component is connected to the mounting seat in a horizontal sliding manner in the left and right directions, the clamping assembly is used to clamp the second positioning block, and the clamping assembly is used to drive the first optical fiber array and the second optical fiber array to be staggered at a certain angle in the left and right directions; the pressing down assembly is connected to the mounting seat, and the pressing down assembly is used to press the second positioning block; the adjusting assembly is connected to the side wall of the mounting seat, and the movable end of the adjusting assembly is connected to the clamping assembly, and the adjusting assembly is used to drive the clamping assembly 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] According to an embodiment of the present invention, a pre-assembly tool for an optical fiber array 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 optical fiber array is 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 optical fiber array is firmly clamped and fixed to avoid movement or dislocation during the assembly process, thereby achieving stable clamping; detection function: by providing a visual detection device, the position of the optical fiber array can be monitored in real time to ensure the accuracy and quality of the assembly.

[0007] According to some embodiments of the present invention, the clamping assembly includes a clamping cylinder, which is slidably connected to the mounting base. The two output ends of the clamping cylinder are respectively connected to clamping blocks, and the two clamping blocks are connected by a rubber ring. The clamping block is used to clamp the second positioning block. The clamping cylinder can be adjusted as needed and is suitable for the second positioning blocks of different sizes and shapes, thereby improving versatility and flexibility. The rubber ring provides pre-tightening force for the two clamping blocks.

[0008] 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, and the other side of the mounting block is connected to the clamping cylinder.

[0009] According to some embodiments of the present invention, both clamping blocks are provided with an inclined surface structure on one side close to the clamping cylinder, and the two inclined surface structures define a first avoidance groove. The first avoidance groove avoids blocking the shooting angle of the visual inspection device.

[0010] According to some embodiments of the present invention, a second avoidance groove is further provided on the mounting seat, and the second avoidance groove is provided to prevent mechanical interference when installing the first positioning block.

[0011] According to some embodiments of the present invention, the pressing assembly includes:

[0012] An adjusting pin passing through the mounting seat;

[0013] A 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;

[0014] A pressure needle, movably connected to the pressure needle bracket, wherein the pressure needle is used to press the second positioning block;

[0015] A tension spring, with two ends respectively connected to the mounting base and the pressure needle bracket, is used to drive the pressure needle to press the second positioning block. The pressure needle bracket is movably connected to the mounting base by the tension spring.

[0016] 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 bolt.

[0017] According to some embodiments of the present invention, two bolts are provided, the two bolts being arranged at the same level, and the bolts passing through the waist-shaped hole connect to the pressure pin. By using two bolts in conjunction with the waist-shaped hole, a more secure and stable connection is provided, thereby reducing the risk of loosening or displacement. At the same time, the provision of two bolts can evenly distribute the load, reducing wear or damage that may be caused by single-point loads. By increasing the number of connection points, the load-bearing capacity of the overall structure can be increased, making it more resistant to external pressure and vibration.

[0018] According to some embodiments of the present invention, the positioning assembly includes:

[0019] A mounting frame connected to the mounting seat;

[0020] A micrometer knob assembly is mounted on the mounting frame, with its spindle abutting against the mounting block. The micrometer knob assembly is configured to push the mounting block to slide. The micrometer knob assembly can flexibly push the clamping cylinder, and the positioning assembly is suitable for workpieces of different sizes or shapes.

[0021] According to some embodiments of the present invention, the micrometer knob assembly is provided with a scale, and the scale provided on the micrometer knob assembly can achieve fine-tuning of the horizontal position of the mounting frame to ensure accuracy and precision during the assembly of the first optical fiber array and the second optical fiber array.

[0022] According to some embodiments of the present invention, the end of the pressure needle close to the second positioning block is set to a "U" shape, and the pressure needle is set to a "U" shape to increase the contact area with the second positioning block, thereby increasing stability and tightness.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0025] Figure 1 This is a schematic diagram of the structure of the optical fiber array pre-assembly tooling of the embodiment of the utility model Figure 1 ;

[0026] Figure 2 This is a schematic diagram of the structure of the optical fiber array pre-assembly tooling of the embodiment of the utility model Figure 2 ;

[0027] Figure 3 for Figure 1 A schematic structural diagram of the pressing assembly and the clamping assembly is shown;

[0028] Figure 4 for Figure 1 Schematic diagram of the structure of the clamping jaw cylinder and the clamping block.

[0029] Mounting seat 100, second avoidance groove 110, first positioning block 200, mounting groove 210;

[0030] Second positioning block 300, buckle slot 310;

[0031] Clamping assembly 400, clamping jaw cylinder 410, clamping block 411, inclined surface structure 411a;

[0032] First avoidance groove 412, mounting block 420;

[0033] Pressing assembly 500, adjusting pin 510, pressing needle bracket 520, waist-shaped hole 521;

[0034] Pressing needle 530, bolt 531, tension spring 540, connecting pin 550;

[0035] Position adjustment assembly 600, mounting bracket 610, micrometer knob assembly 620;

[0036] Visual detection device 700 , first optical fiber array 800 , second optical fiber array 900 . DETAILED DESCRIPTION

[0037] The following describes in detail embodiments of the present invention. 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 intended only to explain the present invention and are not to be construed as limiting the present invention.

[0038] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They 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. Therefore, they cannot be understood as limitations on the present invention.

[0039] In the description of this utility model, "several" means one or more, "more" means two or more, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0040] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting 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.

[0041] Reference Figures 1 to 4A fiber array pre-assembly tool comprises: a mounting base 100, 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 first positioning block 200 is connected to the mounting base 100, 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 fiber array 800; the second positioning block 300 is arranged above the first positioning block 200, and the lower end surface of the second positioning block 3 ... The end face is provided with a plurality of buckle grooves 310, which are used to load the second optical fiber array 900. The front end face of the second positioning block 300 is coplanar with the front end face of the first positioning block 200. The clamping assembly 400 is horizontally slidably connected to the mounting seat 100 in the left and right directions. The clamping assembly 400 is used to clamp the second positioning block 300. The clamping assembly 400 is used to drive the second optical fiber array 900 and the first optical fiber array 800 to stagger at a certain angle in the left and right directions. The pressing assembly 500 is connected to the mounting seat 100. The pressing assembly 500 is used to press down the second positioning block 300; the positioning assembly 600 is connected to the side wall of the mounting seat 100, and the movable end of the positioning assembly 600 is connected to the clamping assembly 400, and the positioning assembly 600 is used to drive the clamping assembly 400 to slide; the visual detection device 700 is arranged in front of the first optical fiber array, and the visual detection device 700 is used to detect the position of the first optical fiber array 800 and the second optical fiber array 900; through the setting of 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; through the design of the setting of the clamping assembly 400 and the pressing assembly 500, 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; Detection function: through the setting of 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 assembly.

[0042] In some embodiments, the visual inspection device 700 can be configured as an industrial CCD camera, an infrared camera, or a network camera.

[0043] Reference Figure 1 The clamping assembly 400 includes a clamping cylinder 410, which is slidably connected to the mounting base 100. The two output ends of the clamping cylinder 410 are respectively connected to clamping blocks 411. The two clamping blocks 411 are connected by a rubber ring. The clamping blocks 411 are used to clamp the second positioning block 300. The set clamping cylinder 410 can be adjusted as needed and is suitable for second positioning blocks 300 of different sizes and shapes, thereby improving versatility and flexibility. The set rubber ring provides pre-tightening force for the two clamping blocks 411.

[0044] Reference Figure 2The clamping assembly 400 further includes a mounting block 420 , one side of the mounting block 420 is slidably connected to the mounting seat 100 , and the other side of the mounting block 420 is connected to the clamping claw cylinder 410 .

[0045] Reference Figure 4 The two clamping blocks 411 are provided with an inclined surface structure 411a on one side close to the clamping 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.

[0046] In some embodiments, a second avoidance groove 110 is further provided on the mounting base 100 , and the second avoidance groove 110 is provided to prevent mechanical interference when the first positioning block 200 is installed.

[0047] In some embodiments, the hold-down assembly 500 includes:

[0048] The adjusting pin 510 is connected to the mounting seat 100;

[0049] The press needle bracket 520 is hinged to the mounting base 100, and one end of the press needle bracket 520 is movably connected to the lower end of the adjustment pin 510;

[0050] The pressing needle 530 is movably connected to the pressing needle bracket 520. The pressing needle 530 is used to press the second positioning block 300;

[0051] The tension spring 540 is connected to the mounting base 100 and the pressure needle bracket 520 at both ends. The tension spring 540 is used to drive the pressure needle 530 to press the second positioning block 300. The tension spring 540 is provided to flexibly connect the pressure needle bracket 520 to the mounting base 100. It is understood that the flexible connection means that the pressure needle 530 can move vertically to compress the second positioning block 300.

[0052] 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 bolt 531 .

[0053] In some embodiments, two bolts 531 are provided, and the two bolts 531 are arranged at the same horizontal height. The bolts 531 pass through the waist-shaped hole 521 to connect the pressure pin 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 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. It is understandable that the bolts 531 can also be set to one, three, four or several. It is understandable that the same horizontal height is roughly at the same height, not strictly at the same level in a mathematical sense.

[0054] In some embodiments, the positioning assembly 600 includes:

[0055] The mounting frame 610 is connected to the mounting base 100;

[0056] The micrometer knob assembly 620 is mounted on the mounting bracket 610. The spindle of the micrometer knob assembly 620 abuts the mounting block 420, and the micrometer knob assembly 620 is used to push the mounting block 420 to slide. The micrometer knob assembly 620 can flexibly push the clamping cylinder 410, and the adjustment assembly 600 is suitable for workpieces of different sizes and shapes.

[0057] In some embodiments, the end of the pressure pin 530 near the second positioning block 300 is configured in a "U" shape. The "U" shape of the pressure pin 530 increases the contact surface with the second positioning block 300, thereby increasing stability and tightness. It is understood that there can be multiple pressure pins 530, and the end of the pressure pin 530 near the second positioning block 300 can also be configured in a rectangular shape.

[0058] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A fiber array pre-assembly tool, characterized in that: include: Mounting seat (100); A first positioning block (200) is connected to the mounting seat (100), and a plurality of mounting grooves (210) are provided on the upper end surface of the first positioning block (200), and the mounting grooves (210) are used to load the first optical fiber array (800); A second positioning block (300) is arranged above the first positioning block (200), a lower end surface of the second positioning block (300) is provided with a plurality of buckle grooves (310), the buckle grooves (310) are used to load the second optical fiber array (900), and 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 clamping assembly (400) connected to the mounting seat (100) for horizontal sliding in the left-right direction, the clamping assembly (400) being used to clamp the second positioning block (300), and the clamping assembly (400) being 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) connected to the mounting seat (100), the pressing assembly (500) being used to press the second positioning block (300); a position adjustment component (600) disposed on the mounting seat (100), the position adjustment component (600) being connected to the clamping component (400), and the position adjustment component (600) being used to drive the clamping component (400) 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).

2. The optical fiber array preassembly tool according to claim 1, characterized in that: The clamping assembly (400) includes a clamping cylinder (410), 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 by a rubber ring, and the clamping blocks (411) are used to clamp the second positioning block (300).

3. The optical fiber array preassembly tool according to claim 2, 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 claw cylinder (410).

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

5. The optical fiber array preassembly tool according to claim 1, characterized in that: A second avoidance groove (110) is also provided on the mounting seat (100).

6. The optical fiber array preassembly tool according to claim 1, characterized in that: The pressing assembly (500) comprises: An adjusting pin (510) passing through the mounting seat (100); A pressure needle bracket (520) is hinged to the mounting seat (100), and one end of the pressure needle bracket (520) is movably connected to the lower end of the adjustment pin (510); A pressing needle (530), movably connected to the pressing needle bracket (520). The pressing needle (530) is used to press the second positioning block (300); A tension spring (540) has two ends connected to the mounting seat (100) and the pressure needle bracket (520), respectively. The tension spring (540) is used to drive the pressure needle (530) to press the second positioning block (300).

7. The optical fiber array preassembly tool according to claim 6, 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 bolt (531).

8. The optical fiber array preassembly tool according to claim 7, characterized in that: Two bolts (531) are provided, and the two bolts (531) are arranged at the same horizontal height. The bolts (531) pass through the waist-shaped hole (521) to connect with the pressure needle (530).

9. The optical fiber array preassembly tool according to claim 3, characterized in that: The positioning component (600) comprises: A mounting frame (610) connected to the mounting seat (100); A micrometer knob assembly (620) is arranged on the mounting frame (610), a main shaft 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.

10. The optical fiber array preassembly tool according to claim 6, characterized in that: One end of the pressing needle (530) close to the second positioning block (300) is configured in a "U" shape.

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