Coaxial device pin coupling jig

Abstract

The utility model belongs to the technical field of optical communication device manufacturing, and particularly relates to a coaxial device pin coupling jig which is characterized by comprising a base, a device positioning seat, a jackscrew positioning seat, a PCB positioning seat, a pressing block, a jackscrew and a linear positioning pin, the base is connected with the device positioning seat, the front end of the device positioning seat is connected with the jackscrew positioning seat, and the front end of the device positioning seat is connected with the PCB positioning seat. A pressing block is arranged between the jackscrew positioning seat and the device positioning seat, the jackscrew positioning seat and the pressing block are movably connected through a linear positioning pin, the jackscrew positioning seat is connected with a jackscrew, a PCB positioning seat is arranged between the pressing block and the device positioning seat, the PCB positioning seat is connected with the device positioning seat, a clamping groove is formed in the PCB positioning seat, and a clamping groove is formed in the clamping groove. And an insulating rubber block is arranged on the pressing block corresponding to the clamping groove. The advantages of the utility model are that the coaxial optical device can be rapidly fixed, then the FPC flexible circuit board and the PCB power-on board which are matched are rapidly connected in a crimping mode, and the coaxial optical device is powered up through the power supply.

Description

Technical Field

[0001] This utility model belongs to the field of optical communication device manufacturing technology, and in particular relates to a coaxial device pin coupling fixture. Background Technology

[0002] With the rapid development of the optical communication industry, the demand for optical device modules is increasing. These modules require pin soldering, and before soldering, the connectors of the coaxial optical devices need to be coupled to the FPC board and fixed to accommodate the automated laser soldering process. For example, Chinese invention patent application number 201010211605.7 discloses an LED lamp reflector mounting fixture, comprising a strip-shaped main body with a symmetrical structure relative to its axis, and the outer edge shape of its cross-section matching the bottom opening shape of the LED lamp reflector; one end of the main body has a recessed receiving hole. Furthermore, a method for mounting a reflector is also involved, comprising: (a) fixing an LED light source onto a heat sink; (b) covering the LED light source with the receiving hole at the end of the main body of the reflector mounting fixture, ensuring the receiving hole completely surrounds the LED light source; (c) fitting the reflector onto the main body of the reflector mounting fixture through its bottom opening, sliding it along the main body until it contacts the heat sink; and (d) fixing the reflector to the heat sink. For coaxial TOSA type coaxial optical devices, there is currently no fixture that can quickly complete the loading, fixing and powering of the coaxial optical device and FPC flexible circuit board, resulting in low manufacturing efficiency of this type of coaxial optical device module products, which cannot meet production requirements. Utility Model Content

[0003] The purpose of this invention is to provide a coaxial device pin coupling fixture that overcomes the shortcomings of the prior art. The fixture can quickly fix the coaxial optical device, and then quickly connect the matching FPC flexible circuit board and PCB power supply board by pressing. The coaxial optical device is powered by an external power supply. The device is simple to operate and can be adapted to coaxial optical devices and FPC flexible circuit boards of various sizes.

[0004] To achieve the above objectives, this utility model employs the following technical solution:

[0005] A coaxial device pin coupling fixture includes a base, a device positioning seat, a set screw positioning seat, a PCB positioning seat, a clamping block, a set screw, and a linear positioning pin. The base has mounting holes to match the coupling machine. The device positioning seat is connected to the base. The front end of the device positioning seat is connected to the set screw positioning seat by a screw. A clamping block is provided between the set screw positioning seat and the device positioning seat. The set screw positioning seat and the clamping block are movably connected by a linear positioning pin. The set screw positioning seat has a threaded hole that engages with the set screw. The T-shaped head of the set screw is engaged in a T-shaped groove on the clamping block. A PCB positioning seat is provided between the clamping block and the device positioning seat. The PCB positioning seat is connected to the device positioning seat by a screw. The PCB positioning seat has a slot. An insulating rubber block is provided on the clamping block corresponding to the slot.

[0006] Furthermore, the insulating rubber block is bonded to or embedded in a groove on the clamping block.

[0007] Furthermore, the width of the slot matches the width of the PCB power supply board, and after the PCB power supply board is installed, the outer surface of the PCB power supply board is flush with the outer side of the slot.

[0008] Furthermore, the device positioning seat is provided with an optical device positioning groove, and the optical device positioning groove is provided with a limiting block that can fix the coaxial optical device.

[0009] Furthermore, the coaxial optical device is a Coaxial TOSA packaged device.

[0010] Furthermore, the limiting block is set at three points, with two points located on the device positioning seat and one point located on the clamping block. When the clamping block is pressed against the device positioning seat, the three-point limiting block clamps the outer wall of the coaxial optical device, forming a three-point clamping structure.

[0011] Furthermore, the bottom outer edge of the optical device positioning groove has a rounded corner of R3-5mm.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] The fixture can quickly fix the coaxial optical device, and then quickly connect the matching FPC flexible circuit board and PCB power supply board by pressing. The coaxial optical device is powered by an external power supply. The device is easy to operate and the work efficiency is greatly improved.

[0014] Applying electricity to the coaxial optical device before soldering can greatly reduce the scrap rate of the coaxial optical device module.

[0015] It is compatible with various sizes of coaxial optical devices and FPC flexible circuit boards of the Coaxial TOSA type, making it highly practical and providing precise loading and fixation for subsequent pin soldering. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0017] Figure 2 yes Figure 1 Symmetrical elevation section view along the center line;

[0018] Figure 3 This is a schematic diagram showing the positioning of the coaxial optical device, FPC flexible circuit board, and PCB power supply board in an embodiment of this utility model.

[0019] Figure 4 This is a schematic diagram of the device positioning seat structure in an embodiment of this utility model;

[0020] Figure 5 This is a schematic diagram of the PCB positioning seat structure in an embodiment of this utility model;

[0021] Figure 6 This is a schematic diagram of the clamping block structure in an embodiment of this utility model;

[0022] Figure 7 This is a schematic diagram of the base structure in an embodiment of this utility model;

[0023] Figure 8 This is a schematic diagram of the linear positioning pin structure in an embodiment of this utility model;

[0024] Figure 9 This is a schematic diagram of the set screw positioning seat structure in an embodiment of this utility model;

[0025] In the diagram: 1-base, 2-device positioning seat, 3-set screw positioning seat, 4-PCB positioning seat, 5-clamping block, 6-set screw, 7-linear positioning pin, 8-T-head, 9-T-slot, 10-slot, 11-insulating rubber block, 12-PCB power supply board, 13-optical device positioning slot, 14-limiting block, 15-coaxial optical device, 16-FPC flexible circuit board. Detailed Implementation

[0026] The technical solution of this utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0027] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the specific embodiments used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the specific embodiments described below are some embodiments of this utility model. For those skilled in the art, other specific embodiments can be obtained based on these specific embodiments without creative effort.

[0028] The components of the present invention described and shown in the specific embodiments herein can be arranged and designed in numerous different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the specific embodiments is not intended to limit the scope of the claimed invention, but only to illustrate selected embodiments of the invention.

[0029] like Figures 1-9 This is a schematic diagram of an embodiment of a coaxial device pin coupling fixture of the present invention. It includes a base 1, a device positioning seat 2, a set screw positioning seat 3, a PCB positioning seat 4, a clamping block 5, a set screw 6, and a linear positioning pin 7. The base 1 has mounting holes for connection with the coupling machine. The device positioning seat 2 is connected to the base 1. The front end of the device positioning seat 2 is connected to the set screw positioning seat 3 by screws. A clamping block 5 is provided between the set screw positioning seat 3 and the device positioning seat 2. The set screw positioning seat 3 and the clamping block 5 are movably connected by the linear positioning pin 7. The set screw positioning seat 3 has a threaded hole for engagement with the set screw 6. The T-shaped head 8 at the front end of the set screw 6 is engaged in the T-shaped groove 9 on the clamping block 5. A PCB positioning seat 4 is provided between the clamping block 5 and the device positioning seat 2. The PCB positioning seat 4 is connected to the device positioning seat 2 by screws. The PCB positioning seat 4 has a slot 10. An insulating rubber block 11 is provided on the clamping block 5 corresponding to the slot 10.

[0030] The insulating rubber block 11 is bonded to or embedded in the groove of the clamping block 5. The insulating rubber block 11 can move back and forth with the clamping block 5 to complete the coupling and removal of the FPC flexible circuit board 16 and the PCB power board 12.

[0031] The width of the slot 10 matches the width of the PCB power board 12. After the PCB power board 12 is installed, its outer surface is flush with the outer side of the slot 10. When the FPC flexible circuit board 16 and the PCB power board 12 are in place, the FPC flexible circuit board 16 adheres to the surface of the PCB power board 12, thus achieving circuit connection. The PCB power board 12 is connected to an external power supply. The coaxial optical device 15 is powered on and emits light through the FPC flexible circuit board 16, indicating that the coaxial optical device 15 and the FPC flexible circuit board 16 are in the correct position. At this time, the optical device module with qualified quality can be obtained by soldering.

[0032] The device positioning base 2 is provided with an optical device positioning groove 13, and the optical device positioning groove 13 is provided with a limiting block 14 that can fix the coaxial optical device 15. The limiting block 14 is set at three points, with two points located on the device positioning base 2 and one point located on the clamping block 5. When the clamping block 5 is pressed against the device positioning base 2, the three-point limiting block 14 clamps the outer wall of the coaxial optical device 15, forming a three-point clamping structure.

[0033] The bottom outer edge of the optical device positioning groove 13 is rounded to R3-5mm, which facilitates the downward bending of the FPC flexible circuit board 16 and prevents the bottom outer edge of the optical device positioning groove 13 from wearing out the FPC flexible circuit board 16 and causing a defect rate.

[0034] In operation, the fixture is fixed to the coupling machine with corresponding bolts. The coaxial optical device 15 is placed in the optical device positioning slot 13 and fixed with the set screw 6. The PCB power board 12 powers the FPC flexible circuit board 16, illuminating the coaxial optical device 15, thus confirming that the coaxial optical device 15 and the FPC flexible circuit board 16 are correctly positioned and of good quality before welding. This fixture is suitable for coaxial TOSA packaged devices. It is easy to operate and inexpensive. The PCB positioning plate can be flexibly moved to adapt to FPC flexible circuit boards 16 of various sizes, making it highly practical. Furthermore, the fixture is made of stainless steel, which improves its durability.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coaxial device pin coupling fixture, characterized in that, The device includes a base, a component positioning seat, a set screw positioning seat, a PCB positioning seat, a clamping block, set screws, and linear positioning pins. The base has mounting holes to match the coupling machine. The component positioning seat is connected to the base. The front end of the component positioning seat is connected to the set screw positioning seat by screws. A clamping block is provided between the set screw positioning seat and the component positioning seat. The set screw positioning seat and the clamping block are movably connected by linear positioning pins. The set screw positioning seat has threaded holes that engage with the set screws. The T-shaped head at the front end of the set screw is engaged in a T-shaped groove on the clamping block. A PCB positioning seat is provided between the clamping block and the component positioning seat. The PCB positioning seat is connected to the component positioning seat by screws. The PCB positioning seat has a slot. An insulating rubber block is provided on the clamping block corresponding to the slot.

2. The coaxial device pin coupling fixture according to claim 1, characterized in that, The insulating rubber block is bonded to the pressing block or embedded in the groove on the pressing block.

3. The coaxial device pin coupling fixture according to claim 1, characterized in that, The width of the slot matches the width of the PCB power supply board. After the PCB power supply board is installed, the outer surface of the PCB power supply board is flush with the outer side of the slot.

4. A coaxial device pin coupling fixture according to claim 1, characterized in that, The device positioning seat is provided with an optical device positioning groove, and the optical device positioning groove is provided with a limiting block that can fix the coaxial optical device.

5. A coaxial device pin coupling fixture according to claim 4, characterized in that, The coaxial optical device is a Coaxial TOSA packaged device.

6. A coaxial device pin coupling fixture according to claim 4, characterized in that, The limiting block is set at three points, with two points on the device positioning seat and one point on the clamping block. When the clamping block is pressed against the device positioning seat, the three-point limiting block clamps the outer wall of the coaxial optical device, forming a three-point clamping structure.

7. A coaxial device pin coupling fixture according to claim 4, characterized in that, The bottom outer edge of the optical device positioning groove has a rounded corner of R3-5mm.

Images