CN213318615U

CN213318615U - Welding fixture for FPC and PCB of optical device

Info

Publication number: CN213318615U
Application number: CN202022178568.6U
Authority: CN
Inventors: 洪肇凯
Original assignee: Fujian ZK Litecore Ltd
Current assignee: Fujian ZK Litecore Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-01
Anticipated expiration: 2030-09-29

Abstract

The utility model relates to a welding fixture of optical device FPC and PCB board, the on-line screen storage device comprises a base, be provided with the fixed positioning subassembly that is used for fixing a position the PCB board on the base, the rear side of fixed positioning subassembly is equipped with the activity locating component that is used for fixing a position optical device FPC, fixed positioning subassembly contains the fixing base that links firmly at the base top surface, the top surface of fixing base is equipped with the constant head tank that is used for holding the PCB board; the movable positioning assembly comprises a movable seat driven by a driving mechanism to move in the front-rear direction, the front end of the movable seat is connected with a lifting slider in a vertical sliding mode, and the top face of the front end of the lifting slider is provided with a vertical mounting hole used for mounting an optical device FPC. The utility model discloses utilize the adjustment of activity locating component at level and vertical direction, can pinpoint the optical device FPC of co-altitude not and the PCB board of different length, guarantee welded high efficiency and welding position's stability, the practicality is strong, and the commonality is strong.

Description

Welding fixture for FPC and PCB of optical device

The technical field is as follows:

the utility model belongs to the technical field of the optical device welding, especially, relate to a welding jig of optical device FPC and PCB board.

Background art:

the existing optical module needs to weld the optical device and the flexible circuit board on the PCB after welding the optical device and the flexible circuit board, welding needs to ensure that the welding surface of the flexible circuit board is attached to the welding surface of the PCB, and different devices and flexible circuit boards have different heights of the optical device, and the existing welding clamp cannot clamp different optical devices, such as FPC and PCB, and is inconvenient to use and large in limitation.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a welding jig of optical device FPC and PCB board is provided, structural design is reasonable, adaptable in the welding of not co-altitude optical device FPC and PCB board.

In order to realize the purpose, the utility model discloses a technical scheme is: a welding fixture for an optical device FPC and a PCB comprises a base, wherein a fixed positioning assembly for positioning the PCB is arranged on the base, a movable positioning assembly for positioning the optical device FPC is arranged on the rear side of the fixed positioning assembly, the fixed positioning assembly comprises a fixed seat fixedly connected to the top surface of the base, and a positioning groove for accommodating the PCB is formed in the top surface of the fixed seat; the movable positioning assembly comprises a movable seat driven by a driving mechanism to move in the front-rear direction, the front end of the movable seat is connected with a lifting slider in a vertical sliding mode, and the top face of the front end of the lifting slider is provided with a vertical mounting hole used for mounting an optical device FPC.

Furthermore, the front end middle part of sliding seat is equipped with the vertical spout with the rear end sliding fit of lifting slide, the tank bottom upper end of vertical spout is equipped with vertical adjustment tank, it has locking screw to run through in the vertical adjustment tank, locking screw and lifting slide looks spiro union for locking lifting slide.

Furthermore, the rear ends of the vertical sliding groove and the lifting slide block are both in T shapes.

Furthermore, a fixed pressing block for pressing the PCB is arranged above the positioning groove, and the right end of the fixed pressing block is hinged with the fixed seat.

Furthermore, the left side of the positioning groove is provided with an accommodating concave part for accommodating the left end of the fixed pressing block, the right side of the positioning groove is provided with a hinged concave part, the right end of the fixed pressing block extends into the hinged concave part and is hinged with the hinged concave part through a hinged pin shaft, and the bottom surface of the fixed pressing block is provided with an avoiding notch for avoiding an area between the accommodating concave part and the hinged concave part.

Furthermore, actuating mechanism is including being located the supporting seat that the sliding seat rear side just linked firmly at the base top surface, the top surface fixed mounting of supporting seat has plug-type active grab, the slide bar level of plug-type active grab sets up and the front end links firmly with the sliding seat.

Furthermore, the left end and the right end of the fixed seat are respectively fixedly connected with a guide sliding rod which is horizontally arranged; the left end and the right end of the movable seat are respectively provided with a guide through hole which is used for being in sliding fit with the guide sliding rod.

Furthermore, the horizontal spiro union of rear end face of fixing base has the stop screw that is used for carrying on spacingly to the sliding seat.

Compared with the prior art, the utility model discloses following effect has: the utility model discloses utilize the adjustment of activity locating component at level and vertical direction, can pinpoint the optical device FPC of co-altitude not and the PCB board of different length, guarantee welded high efficiency and welding position's stability, the practicality is strong, and the commonality is strong.

Description of the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic view of a usage state of the embodiment of the present invention;

fig. 3 is a schematic perspective view of a fixing and positioning assembly in an embodiment of the present invention;

fig. 4 is a schematic perspective view of a movable positioning assembly according to an embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In this embodiment, the optical device FPC8 refers to a light emitting device (TOSA) or a light receiving device (ROSA) bonded to the FPC.

As shown in fig. 1 to 4, the present invention relates to a welding fixture for an optical device FPC and a PCB board, including a rectangular base 6, wherein the base 6 is provided with a fixed positioning component for positioning the PCB board 7, the rear side of the fixed positioning component is provided with a movable positioning component for positioning the optical device FPC8, the fixed positioning component includes a fixing seat 1 fixedly connected to the top surface of the base 6, the top surface of the fixing seat 1 is provided with a positioning groove 9 for accommodating the PCB board 7, and the positioning groove is adapted to the PCB board in shape; the movable positioning assembly comprises a movable seat 10 which is driven by a driving mechanism to move in the front-back direction, the front end of the movable seat 10 is connected with a lifting slide block 3 along the vertical sliding direction, and the top surface of the front end of the lifting slide block 3 is provided with a vertical mounting hole 11 for mounting an optical device FPC. During the use, light device FPC8 installs in the vertical mounting hole 11 of lifting slide 3 front end, places PCB board 7 in the constant head tank of fixing base 1 top surface 9, and the sliding seat 10 moves along the fore-and-aft direction under actuating mechanism's drive, makes light device FPC8 and PCB board 7 go up the pad and align in the fore-and-aft direction, adjusts lifting slide 3's height afterwards, makes light device FPC8 and PCB board 7 pad align.

In this embodiment, the middle of the front end of the movable seat 10 is provided with a vertical sliding groove 12 in sliding fit with the rear end of the lifting slider, the upper end of the bottom of the vertical sliding groove 12 is provided with a vertical adjusting groove 13, a locking screw 14 penetrates through the vertical adjusting groove 13, and the locking screw 14 is in threaded connection with the lifting slider 3 and is used for locking the lifting slider. When the height of the lifting slide block 3 needs to be adjusted, the locking screw 14 is unscrewed, the locking screw 14 is pushed to move up and down along the vertical adjusting groove 13, and when the lifting slide block 3 moves to a proper position, the locking screw 14 is screwed, so that the lifting slide block 3 is locked and fixed on the movable seat 10.

In this embodiment, the rear ends of the vertical sliding groove 13 and the lifting slider 3 are both T-shaped.

In this embodiment, a fixing pressing block 2 for pressing the PCB 7 is disposed above the positioning groove 9, and the right end of the fixing pressing block 2 is vertically hinged to the fixing base 1. Through setting up the fixed briquetting that can rotate from top to bottom, can improve and fix PCB board location, fixed effect.

In this embodiment, the left side of the positioning groove 9 is provided with an accommodating recess 16 for accommodating the left end of the fixed pressing block 2, the right side of the positioning groove is provided with a hinge recess 17, the right end of the fixed pressing block 2 extends into the hinge recess 17 and is hinged to the hinge recess 17 via a hinge pin, and the bottom surface of the fixed pressing block 2 is provided with an avoidance notch 18 for avoiding the area between the accommodating recess 16 and the hinge recess 17.

In this embodiment, the rear end of the positioning groove 9 is open, so as to facilitate the extending of the pad at the rear end of the PCB board 7.

In this embodiment, actuating mechanism is including being located the supporting seat 19 that just links firmly at the base 6 top surface of sliding seat 10 rear side, the top surface fixed mounting of supporting seat 19 has plug-type quick gripper 5, the slide bar 501 level setting and the front end of plug-type quick gripper 5 link firmly with sliding seat 10, utilize the removal of the slide bar of plug-type quick gripper, can drive the sliding seat along fore-and-aft direction horizontal migration. It should be noted that the push-pull type quick clamp is an existing mature product, and the specific structure and working process thereof are not described herein.

In this embodiment, in order to guide the movement of the movable seat 10, the left and right ends of the fixed seat 1 are respectively and fixedly connected with a horizontally arranged guide sliding rod 20; the left end and the right end of the movable seat 10 are respectively provided with a guide through hole 15 which is used for being in sliding fit with the guide slide bar 20.

In this embodiment, the rear end face of the fixed seat 1 is horizontally screwed with a limit screw 4 for limiting the movable seat 10. During the use, according to the length adjustment stop screw's of PCB board length, when the sliding seat moved to stop screw contact towards the fixing base under the drive of plug-type active grab, the pad on optical device FPC and the PCB board was to it this moment.

The specific implementation process comprises the following steps: placing an optical device FPC8 in a vertical mounting hole 11 at the front end of a lifting slider 3, placing a PCB 7 in a positioning groove 9 on the top surface of a fixed seat 1, and fixing the PCB 7 on a welding fixture through a fixing pressing block 15; the push-pull type quick clamp 5 is pulled off, so that the movable seat 10 drives the optical device FPC8 to move forwards to be aligned with a bonding pad on the PCB 7, and the movement of the movable seat 10 is limited by the limiting screw 22; and loosening the locking screw 14, and adjusting the height of the lifting slider 3 to align the optical device FPC8 with the bonding pad of the PCB 7.

The utility model has the advantages that: by utilizing the adjustment of the movable positioning component in the horizontal and vertical directions, the optical device FPCs with different heights and the PCB boards with different lengths can be accurately positioned; through plug-type nipper adjustment horizontal distance, height about through the adjustment of elevator slide block, the high optical device FPC of applicable various specifications height and the PCB board welding of different specification length guarantee welded high efficiency and welding position's stability, the practicality is strong, and the commonality is strong.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a welding jig of optical device FPC and PCB board which characterized in that: the device comprises a base, wherein a fixed positioning component for positioning a PCB is arranged on the base, a movable positioning component for positioning the FPC of an optical device is arranged at the rear side of the fixed positioning component, the fixed positioning component comprises a fixed seat fixedly connected to the top surface of the base, and a positioning groove for accommodating the PCB is formed in the top surface of the fixed seat; the movable positioning assembly comprises a movable seat driven by a driving mechanism to move in the front-rear direction, the front end of the movable seat is connected with a lifting slider in a vertical sliding mode, and the top face of the front end of the lifting slider is provided with a vertical mounting hole used for mounting an optical device FPC.

2. A jig for soldering an FPC and a PCB to an optical device as claimed in claim 1, wherein: the front end middle part of sliding seat is equipped with the vertical spout with the rear end sliding fit of elevator slider, the tank bottom upper end of vertical spout is equipped with vertical adjustment tank, it has locking screw to run through in the vertical adjustment tank, locking screw and elevator slider looks spiro union for locking elevator slider.

3. A jig for soldering an FPC and a PCB to an optical device as claimed in claim 2, wherein: the rear ends of the vertical sliding groove and the lifting slide block are both in T shapes.

4. A jig for soldering an FPC and a PCB to an optical device as claimed in claim 1, wherein: and a fixed pressing block for pressing the PCB is arranged above the positioning groove, and the right end of the fixed pressing block is hinged with the fixed seat.

5. A jig for soldering an FPC and a PCB to an optical device according to claim 4, wherein: the left side of the positioning groove is provided with an accommodating concave part for accommodating the left end of the fixed pressing block, the right side of the positioning groove is provided with a hinged concave part, the right end of the fixed pressing block extends into the hinged concave part and is hinged with the hinged concave part through a hinged pin shaft, and the bottom surface of the fixed pressing block is provided with an avoiding notch for avoiding the area between the accommodating concave part and the hinged concave part.

6. A jig for soldering an FPC and a PCB to an optical device as claimed in claim 1, wherein: the driving mechanism comprises a supporting seat which is positioned at the rear side of the movable seat and fixedly connected to the top surface of the base, a push-pull type quick clamp is fixedly installed on the top surface of the supporting seat, and a sliding rod of the push-pull type quick clamp is horizontally arranged and the front end of the sliding rod is fixedly connected with the movable seat.

7. A jig for soldering an FPC and a PCB to an optical device as claimed in claim 2, wherein: the left end and the right end of the fixed seat are respectively fixedly connected with a horizontally arranged guide sliding rod; the left end and the right end of the movable seat are respectively provided with a guide through hole which is used for being in sliding fit with the guide sliding rod.

8. A jig for soldering an FPC and a PCB to an optical device as claimed in claim 2, wherein: the rear end face of the fixed seat is horizontally screwed with a limit screw for limiting the movable seat.