FPC (Flexible Printed Circuit) light bar deviation inspection jig

Abstract

The utility model discloses an FPC (Flexible Printed Circuit) light bar deviation inspection jig which comprises a bottom plate, a fixed plate and a cover plate, a plurality of positioning pins are mounted on the bottom plate, and the mounting positions of the positioning pins are matched with the positions of positioning holes in the FPC light bar; a plurality of through holes are formed in the fixing plate, and the positions of the through holes are matched with the positions of the positioning needles; the cover plate is provided with a plurality of limiting holes, the positions of the limiting holes are matched with the positions of the positioning pins, the cover plate is provided with a plurality of receding holes, the receding holes are used for receding LED lamps on the FPC lamp strip, and the size of the receding holes is matched with the size of the LED lamps. The fixing plate is placed on the bottom plate, and the FPC light bar to be tested is arranged on the fixing plate in a sleeving mode through the positioning pins; the cover plate covers the fixing plate, and the positioning needle penetrates into the limiting hole. And by checking whether all the LED lamps on the FPC lamp bar can be sleeved in the avoiding holes or not, deviation inspection is carried out. The FPC light bar deviation inspection jig is simple in structure, convenient to operate, high in inspection efficiency and capable of saving labor and reducing the inspection cost.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible printed circuit board inspection, and particularly relates to an FPC light bar deviation inspection fixture. Background Art

[0002] Multiple LED lights are installed on an FPC circuit board (Flexible Printed Circuit, flexible printed circuit board). Currently, a two-dimensional image measuring instrument is used for deviation measurement to measure the position parameters of each LED light on the FPC light bar and determine whether there is a deviation. There are a large number of LED lights on the FPC light bar, generally more than a dozen LED lights are assembled; it takes about 1 minute to measure each light, and it takes more than a dozen minutes to measure an FPC light bar in total. The inspection efficiency is low, labor is wasted, and the inspection cost is too high. Content of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides an FPC light bar deviation inspection fixture, which can improve the inspection efficiency, save labor and reduce the inspection cost.

[0004] An embodiment of the utility model provides an FPC light bar deviation inspection fixture, which includes a bottom plate, a fixing plate and a cover plate. The bottom plate is provided with a plurality of positioning pins, and the installation positions of the positioning pins are adapted to the positions of the positioning holes on the FPC light bar; the fixing plate is provided with a plurality of through holes, and the positions of the through holes are adapted to the positions of the positioning pins; the cover plate is provided with a plurality of limiting holes, and the positions of the limiting holes are adapted to the positions of the positioning pins. The cover plate is provided with a plurality of avoidance holes for avoiding the LED lights on the FPC light bar, and the sizes of the avoidance holes are adapted to the sizes of the LED lights.

[0005] According to some embodiments of the utility model, the fixing plate is provided with a through groove, and the size of the through groove is adapted to the size of the tail of the FPC light bar.

[0006] According to some embodiments of the utility model, the bottom plate is provided with a first convex block, and the fixing plate is provided with a second convex block, and the positions of the second convex block and the first convex block are staggered.

[0007] According to some embodiments of the utility model, the diameter of the positioning pin is smaller than the diameter of the through hole, so that the positioning pin can pass through the through hole.

[0008] According to some embodiments of the utility model, the cover plate is made of a steel sheet.

[0009] According to some embodiments of the utility model, the cover plate is of a rectangular structure.

[0010] According to some embodiments of the present utility model, the thickness of the cover plate is 1.2 ± 0.02 mm.

[0011] According to some embodiments of the present utility model, limiting grooves are provided on both sides of the bottom plate.

[0012] The embodiments of the present utility model at least have the following beneficial effects:

[0013] The above FPC light strip deviation inspection fixture includes a bottom plate, a fixing plate and a cover plate. A plurality of positioning pins are installed on the bottom plate, a plurality of through holes are provided on the fixing plate, and a plurality of limiting holes and avoidance holes are provided on the cover plate. Place the fixing plate on the bottom plate, and put the FPC light strip to be tested on the fixing plate through the positioning pins; cover the cover plate on the fixing plate, and the positioning pins penetrate into the limiting holes for positioning. Then, check whether all the LED lights on the FPC light strip can be sleeved in the avoidance holes for deviation inspection. If all the LED lights can be sleeved in the avoidance holes, it indicates that none of the LED lights are deviated, and the inspection is determined to be OK; as long as one LED light cannot be sleeved in the avoidance hole, that is, there is a deviation, the inspection is determined to be NG. The FPC light strip deviation inspection fixture has a simple structure, convenient operation, high inspection efficiency, labor saving, does not require the purchase of expensive two-dimensional image measuring instruments, and reduces the inspection cost.

[0014] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0015] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0016] Figure 1 is a schematic structural diagram of the FPC light strip deviation inspection fixture according to the embodiment of the present utility model;

[0017] Figure 2 is a schematic structural diagram of the bottom plate of the FPC light strip deviation inspection fixture according to the embodiment of the present utility model;

[0018] Figure 3 is a schematic structural diagram of the fixing plate of the FPC light strip deviation inspection fixture according to the embodiment of the present utility model;

[0019] Figure 4 is Figure 1 a schematic structural diagram of the cover plate of the FPC light strip deviation inspection fixture shown;

[0020] Figure 5 is a schematic structural diagram of the FPC light strip according to the embodiment of the present utility model.

[0021] Reference numerals:

[0022] Base plate 100, positioning pin 110, first convex block 120, limiting groove 130, fixing plate 200, through hole 210, through slot 220, second convex block 230, cover plate 300, limiting hole 310, avoidance hole 320, FPC light bar 400, positioning hole 410, LED lamp 420. Detailed implementation manners

[0023] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0024] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 construed as a limitation to the present utility model.

[0025] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is more than two, greater than, less than, exceeding, etc. are understood as not including the present number, and "above", "below", "within", etc. are understood as including the present number. If there is a description of "first", "second", etc., it is only for the purpose of distinguishing technical features and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0026] In the description of the present utility model, unless otherwise clearly defined, words such as "arranged", "installed", "connected", "linked" should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0027] Please refer to Figure 1 and Figure 2, this embodiment discloses a jig for inspecting the deviation of an FPC light strip. The jig for inspecting the deviation of the FPC light strip includes a bottom plate 100, a fixing plate 200, and a cover plate 300. The bottom plate 100 is provided with a plurality of positioning pins 110, and the installation positions of the positioning pins 110 are adapted to the positions of the positioning holes 410 on the FPC light strip 400; the fixing plate 200 is provided with a plurality of through holes 210, and the positions of the through holes 210 are adapted to the positions of the positioning pins 110; the cover plate 300 is provided with a plurality of limiting holes 310, and the positions of the limiting holes 310 are adapted to the positions of the positioning pins 110. The cover plate 300 is provided with a plurality of avoiding holes 320 for avoiding the LED lights 420 on the FPC light strip 400, and the sizes of the avoiding holes 320 are adapted to the sizes of the LED lights 420. Place the fixing plate 200 on the bottom plate 100, and the positioning pins 110 pass through the through holes 210. The FPC light strip 400 to be tested is sleeved on the fixing plate 200 through the positioning pins 110; cover the cover plate 300 on the fixing plate 200, and the positioning pins 110 penetrate into the limiting holes 310 for positioning. Then, check whether all the LED lights 420 on the FPC light strip 400 can be sleeved in the avoiding holes 320 for deviation inspection; if all the LED lights 420 can be sleeved in the avoiding holes 320, it indicates that all the LED lights 420 are not deviated, and the inspection is determined to be OK; as long as one LED light 420 cannot be sleeved in the avoiding holes 320, that is, there is a deviation, the inspection is determined to be NG. The operation is convenient, the inspection efficiency is high, the labor is saved, and the inspection cost is reduced.

[0028] Please refer to Figure 2 , in some embodiments, the fixing plate 200 is provided with a through groove 220, and the size of the through groove 220 is adapted to the size of the tail of the FPC light strip 400. The FPC light strip 400 is sleeved on the fixing plate 200 through the positioning pins 110, and the tail of the FPC light strip 400 is placed in the through groove 220.

[0029] Please refer to Figure 1 and Figure 2 , in some embodiments, the bottom plate 100 is provided with a first convex block 120, and the fixing plate 200 is provided with a second convex block 230, and the positions of the second convex block 230 and the first convex block 120 are staggered. The first convex block 120 and the second convex block 230 are provided to facilitate the taking of the bottom plate 100 and the fixing plate 200.

[0030] Please refer to Figure 2 , in some embodiments, the diameter of the positioning pin 110 is smaller than the diameter of the through hole 210, so that the positioning pin 110 penetrates through the through hole 210.

[0031] Please refer to Figure 2 , in some embodiments, the cover plate 300 is made of a steel sheet. Specifically, the thickness of the cover plate 300 is 1.2 ± 0.02 mm.

[0032] Please refer to Figure 2 , in some embodiments, the cover plate 300 has a rectangular structure and is adapted to the shape of the FPC light bar 400.

[0033] Please refer to Figure 1 , in some embodiments, limiting grooves 130 are provided on both sides of the bottom plate 100. The bottom plate 100 is placed on the operating table and fixed through the limiting grooves 130 to prevent it from moving or deviating.

[0034] During use, please refer to Figures 1 to 4 , place the bottom plate 100 on the operating table, place the fixing plate 200 on the bottom plate 100, and the positioning pins 110 pass through the through holes 210. The FPC light bar 400 to be tested is sleeved on the fixing plate 200 through the positioning pins 110, and the tail of the FPC light bar 400 is placed in the through groove 220; the cover plate 300 is covered on the fixing plate 200, and the positioning pins 110 are inserted into the limiting holes 310 for positioning. Then, check whether all the LED lights 420 on the FPC light bar 400 can be sleeved in the avoidance holes 320 for offset inspection; if all the LED lights 420 can be sleeved in the avoidance holes 320, it indicates that none of the LED lights 420 are offset, then the inspection is determined to be OK; as long as one LED light 420 cannot be sleeved in the avoidance hole 320, that is, there is an offset situation, then the inspection is determined to be NG. This FPC light bar offset inspection fixture has a simple structure, convenient operation, high inspection efficiency, saves labor, does not require purchasing expensive two-dimensional image measuring instruments, and reduces the inspection cost.

[0035] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge scope of those of ordinary skill in the art.

Claims

1. An FPC light bar deviation inspection fixture, characterized in that, Including: A bottom plate (100) is provided with a plurality of positioning pins (110), and the installation positions of the positioning pins (110) are adapted to the positions of the positioning holes (410) on the FPC light bar (400). A fixing plate (200) is provided with a plurality of through holes (210), and the positions of the through holes (210) are adapted to the positions of the positioning pins (110). A cover plate (300) is provided with a plurality of limiting holes (310), and the positions of the limiting holes (310) are adapted to the positions of the positioning pins (110). The cover plate (300) is provided with a plurality of avoidance holes (311) for avoiding the LED lights (420) on the FPC light bar (400), and the sizes of the avoidance holes (311) are adapted to the sizes of the LED lights (420).

2. The FPC light bar deviation inspection fixture according to claim 1, wherein, The fixing plate (200) is provided with a through groove (220), and the size of the through groove (220) is adapted to the size of the tail of the FPC light bar (400).

3. The FPC light bar deviation inspection fixture according to claim 1, characterized in that The bottom plate (100) is provided with a first convex block (120), and the fixing plate (200) is provided with a second convex block (230), and the positions of the second convex block (230) and the first convex block (120) are staggered.

4. The FPC light bar deviation inspection fixture according to claim 1, characterized in that The diameter of the positioning pin (110) is smaller than the diameter of the through hole (210) so that the positioning pin (110) can pass through the through hole (210).

5. The FPC light bar deviation inspection fixture according to claim 1, wherein The cover plate (300) is made of a steel sheet.

6. The FPC light bar deviation inspection fixture according to claim 5, wherein The cover plate (300) has a rectangular structure.

7. The FPC light bar deviation inspection fixture according to claim 5 or 6, characterized in that The thickness of the cover plate (300) is 1.2 ± 0.02 mm.

8. The FPC light bar offset inspection fixture according to claim 1, characterized in that The two sides of the bottom plate (100) are provided with limiting grooves (130).

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