CN219142672U

CN219142672U - Novel FPC detects device and automated inspection system

Info

Publication number: CN219142672U
Application number: CN202222804005.2U
Authority: CN
Inventors: 张宏娟; 洪磊磊; 侯晓明; 许敦明
Original assignee: Kunshan Zhongxin Home Credit Automation Equipment Technology Co ltd
Current assignee: Kunshan Zhongxin Home Credit Automation Equipment Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-06-06
Anticipated expiration: 2032-10-25

Abstract

The utility model provides a novel FPC detection device and an automatic detection system, the novel FPC detection device comprises a frame, a detection mechanism and a clamping mechanism, wherein the clamping mechanism comprises: the detection table is driven by the driving component and can be connected to the rack in a sliding manner; the cover plate is sucked and put by the first suction and put device and can be pressed on the detection table; the cover plate is provided with a plurality of hollow spaces for avoiding the FPC to be detected. The novel FPC detection device can effectively solve the problems of warping and shifting of the FPC in the detection process, ensure the detection accuracy, reduce the repeated judgment of personnel and improve the detection efficiency.

Description

Novel FPC detects device and automated inspection system

Technical Field

The utility model belongs to the technical field of FPC detection, and particularly relates to a novel FPC detection device and an automatic detection system.

Background

Flexible circuit boards (Flexible Printed Circuit, FPCs), also known as flex circuit boards, are formed by embedding circuit designs on a thin, flexible plastic sheet to enable stacking of a large number of precision components in a small and limited space to form a flexible flex circuit. With the rapid development of the electronic industry, the design of flexible circuit boards tends to be high-precision and high-density, the traditional manual detection cannot meet the production requirement, and the automatic detection of flexible circuit boards becomes the necessary trend of industrial development.

In the prior art, an optical automatic detection device is generally used for detecting the quality of the FPC, specifically, the FPC to be detected is moved to a detection platform, the FPC is detected by an optical detection mechanism, and the quality condition of the FPC is judged according to the detection result. However, the current optical automatic detection equipment adopts a suction fan to suck the FPC on a detection platform, and the reading deviation of an optical detection mechanism can be caused due to the reasons of warping, deformation, offset and the like of the FPC during detection, especially, the rapid and effective color difference identification and screening detection are not easy to be carried out on products with complex structures, production personnel are required to carry out re-judgment again, the detection precision is low, and the detection efficiency is also reduced.

Disclosure of Invention

In view of the problems existing in the suction head technology for the existing chip mounter, the main purpose of the utility model is to provide a novel FPC detection device and an automatic detection system, wherein the novel FPC detection device can effectively improve the problems of warping and offset of an FPC in the detection process, ensure the detection accuracy, reduce the repeated judgment of personnel and improve the detection efficiency.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a novel FPC detection device and an automatic detection system, wherein,

the novel FPC detection device that provides includes frame, detection mechanism and fixture, fixture includes:

the detection table is driven by the driving component and can be connected to the rack in a sliding manner;

the cover plate is sucked and put by the first suction and put device and can be pressed on the detection table; the cover plate is provided with a plurality of hollow spaces for avoiding the FPC to be detected.

As further description of the technical scheme, a magnetic attraction body is arranged in the detection table;

the cover plate is made of ferrite stainless steel or martensitic stainless steel.

As a further description of the above technical solution, the detecting platform is further provided with a plurality of air inlet holes and an air outlet hole for connecting with the air extractor. As a further description of the above technical solution, the frame is provided with a first sliding portion, the detection table is provided with a second sliding portion, and the first sliding portion is slidably connected with the second sliding portion.

As a further description of the above technical solution, the detection mechanism includes a CCD camera, and the detection stage is located between the first sliding portion and the CCD camera in a vertical direction.

As a further description of the above technical solution, the thickness of the cover plate is smaller than the thickness of the FPC to be inspected.

The provided automatic FPC detection system comprises the novel FPC detection device, and an FPC conveying mechanism and an FPC picking mechanism which are in butt joint with the novel FPC detection device; wherein,,

the FPC conveying mechanism and the FPC picking mechanism are respectively arranged at two sides of a first sliding part of the novel FPC detection device;

the FPC conveying mechanism comprises a second sucking and discharging device and a conveying table, wherein the second sucking and discharging device is used for sucking and discharging the FPC to be detected;

the FPC picking mechanism comprises a third sucking and discharging device and a picking and storing table, wherein the third sucking and discharging device is used for sucking and discharging the FPC after detection is completed.

The utility model has the outstanding effects that:

in the novel FPC detection device provided by the utility model, the detection table is driven by the driving assembly and is in sliding connection with the rack, so that the FPC to be detected is borne, after the FPC is placed on the detection table, the cover plate can be sucked by the first suction device and is pressed on the detection table, the FPC and the detection table are clamped together, so that the FPC has no warpage and offset part, the cover plate is provided with a plurality of hollowed-out positions for avoiding the part to be detected of the FPC, the part to be detected is exposed outside the cover plate and can be correspondingly identified and detected by the detection mechanism, the cover plate has no shielding effect on the part to be detected, the influence possibly caused by light shadow is avoided, no color difference identification is ensured, the detection accuracy is ensured, the manual re-judgment work is reduced, and the detection efficiency is improved;

in the novel FPC detection device provided by the utility model, the magnetic attraction body is arranged in the detection table, the cover plate is made of magnetic stainless steel, and the cover plate has a better flattening effect after being covered on the FPC due to the magnetic attraction effect, so that the detection accuracy is further ensured.

Drawings

FIG. 1 is an exploded view of the novel FPC testing apparatus of the present utility model;

FIG. 2 is a front view of the novel FPC testing apparatus of the present utility model in an operational state;

FIG. 3 is a top view of the novel FPC testing apparatus of the present utility model in an operational state;

FIG. 4 is a cross-sectional view of a test station in the present utility model;

fig. 5 is a working state diagram of the first suction and discharge device in the utility model for sucking the cover plate to move onto the detection table.

Reference numerals illustrate:

1. a detection table; 11. an air inlet hole; 12. an air outlet hole; 2. a cover plate; 21. hollow space; 3. a first suction and discharge device; 4. a magnetic attraction body; 5. a first sliding portion; 6. a CCD camera; 7. an FPC.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "middle", "lower", "inner", "outer", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in terms of its overall structure.

Referring to fig. 1 to 5, an embodiment of the present utility model discloses a novel FPC detection device and an automatic detection system, the novel FPC detection device provided includes a frame, a detection mechanism and a clamping mechanism, the clamping mechanism includes:

the detection platform 1 is driven by the driving assembly and can be connected to the frame in a sliding manner;

the cover plate 2 is sucked and put by the first suction and put device 3 and can be pressed on the detection table 1; the cover plate 2 is provided with a plurality of hollow spaces 21 for avoiding the to-be-detected part of the FPC 7.

In the above-mentioned setting mode, detect platform 1 by drive assembly drive, sliding connection in the frame is used for bearing the FPC7 that waits to detect, and will FPC7 is arranged in behind the detection platform 1, apron 2 can be by first suction means suction, gland in detect bench 1, with detect platform 1 has held together FPC7, make FPC7 does not warp, skew part, just be equipped with a plurality of fretwork vacancy 21 of dodging the portion of waiting of FPC7 on the apron 2, make the portion of waiting of FPC7 expose in apron 2 can be by detection mechanism corresponds discernment detection, and apron 2 is to its unblock, has avoided the influence that probably causes by the shadow, and the achromatic difference discernment has guaranteed to detect the accuracy, has reduced artifical repeated judgement work, has improved detection efficiency.

Referring to fig. 1 to 3 and fig. 5, in particular, in this embodiment, the inspection table 1 is rectangular, and a second sliding portion (not shown in the drawings) is disposed below the second sliding portion and can be slidably connected with the first sliding portion 5 of the rack, for example, in this embodiment, the first sliding portion 5 is elongated, so that the inspection table 1 can slide along the length direction of the first sliding portion 5, and thus the FPC7 to be inspected is sequentially carried under the inspection mechanism for inspection.

Referring to fig. 4, in particular, in this embodiment, the detection table 1 has a certain accommodating space, the accommodating space is internally provided with a magnetic attraction body 4, the cover plate 2 is made of ferrite stainless steel, and when the FPC7 to be detected is carried on the detection table 1, the cover plate 2 is sucked and pressed on the FPC7 by the first suction and release device 3, each FPC7 to be detected part is located in a hollow space 21 arranged on the cover plate 2, and no shielding exists on the hollow space, thereby ensuring the detection accuracy. Preferably, in this embodiment, the thickness of the cover 2 is smaller than the thickness of the portion to be inspected of the FPC7, so that the position of the portion to be inspected of the FPC7 is convenient to read, and the shadow of the cover 2 does not fall on the portion to be inspected of the FPC7, thereby avoiding the error of detecting and reading; meanwhile, due to the magnetic attraction effect between the magnetic attraction body 4 and the ferrite stainless steel, the cover plate 2 can be adsorbed on the detection table 1, so that the FPC7 flexible board is flattened, the flattening effect is better, detection reading errors caused by warping and deformation of the FPC7 flexible board are further avoided, manual re-judgment work is reduced, and detection efficiency is improved. Preferably, in this embodiment, the plurality of magnetic attraction bodies 4 are uniformly arranged, so that the adsorption force applied to each place of the cover plate 2 made of ferritic stainless steel is kept consistent, thereby ensuring uniform flattening of the flexible printed circuit board (FPC) 7. Of course, in other embodiments, the cover plate 2 may be made of martensitic stainless steel, and the magnetic attraction body 4 may be set into a sheet shape, and the area of the magnetic attraction body is consistent with that of the cover plate 2, so that it is ensured that the cover plate 2 can accurately cover the flexible printed circuit board to be tested 7 carried by the test table 1, and can uniformly flatten the flexible printed circuit board to be tested.

Specifically, in this embodiment, a plurality of air inlets 11 are uniformly distributed on the table top of the detection table, in addition, the detection table 1 is further provided with an air outlet 12, for example, the air outlet is arranged on the bottom surface of the detection table 1, and can be connected with an air suction device, for example, an air suction pump is connected to the air inlet 11 and the air outlet 12, an air channel is formed inside the detection table 1, when the FPC7 soft board to be detected is carried on the detection table 1, the air suction device sucks air, the FPC7 soft board can be adsorbed on the detection table 1, the air suction device is matched with the pressing action of the cover plate 2, further, the flexible FPC7 soft board is clamped between the detection table 1 and the cover plate 2, so that the subsequent detection accuracy is ensured, specifically, after the FPC7 soft board to be detected is carried on the detection table 1, the air suction device works and is adsorbed on the detection table 1, and after the cover plate 1 is downwards pressed on the FPC7 soft board, the air suction device can not be smoothly removed, and the air suction device can not be smoothly removed due to the fact that the air suction device can not be successfully removed.

Referring to fig. 1 to 3, in particular, in this embodiment, the detection mechanism includes a CCD camera 6, the detection platform 1 is located between the first sliding portion 5 and the CCD in the vertical direction, and the detection platform 1 may be capable of moving under the CCD camera 6 along the length direction of the first sliding portion 5 after receiving the flexible printed circuit board FPC7 due to the sliding connection effect of the second sliding portion and the first sliding portion 5, so that each portion to be detected of the flexible printed circuit board FPC7 thereon can be optically detected.

The embodiment also provides an automatic FPC detection system, which comprises the novel FPC detection device, an FPC conveying mechanism (not shown in the figure) and an FPC picking mechanism (not shown in the figure), wherein the FPC conveying mechanism is in butt joint with the novel FPC detection device; wherein,,

the FPC transfer mechanism may be provided on the left side of the first sliding portion 5 of the new FPC inspection device, and the FPC pick-up mechanism may be provided on the right side of the first sliding portion 5 of the new FPC inspection device;

the FPC conveying mechanism comprises a second sucking and placing device (not shown in the figure) and a conveying table (not shown in the figure) for sucking and placing the FPC7 to be detected, the conveying table is used for temporarily storing the FPC7 to be detected, the second sucking and placing device can be arranged above the conveying table, and the temporarily stored FPC7 to be detected is sucked and placed on the detecting table 1 of the novel FPC detecting device. It should be understood that the conveying table should be provided with a positioning component, such as a positioning needle, for positioning the temporarily stored FPC7, so as to ensure that the second suction and discharge device can accurately suck the FPC7 thereon, and then move and discharge the FPC7 onto the detection table 1 of the novel FPC detection device, preferably, the detection table 1 is parallel to the conveying table when feeding is required, and the second suction and discharge device performs linear reciprocating motion between the two to perform feeding, so as to ensure feeding precision.

The FPC picking mechanism comprises a third sucking and placing device (not shown in the figure) for sucking and placing the FPC7 after detection and a picking and storing table (not shown in the figure), the picking and storing table is used for storing the FPC7 after detection, the third sucking and placing device can be arranged above the picking and storing table, the FPC7 after detection is moved upwards from the detecting table 1 of the novel FPC detecting device to the picking and storing table, and the next procedure is waited.

When FPC7 product detection is carried out:

the second suction device sucks a flexible printed circuit board (FPC) 7 to be detected on the conveying table, moves the flexible printed circuit board to the detecting table 1, the air suction device continuously sucks air, continuously sucks the flexible printed circuit board (FPC 7) on the detecting table 1, the detecting table 1 slides to the position, sucked by the first suction device 3, under the cover plate 2, the first suction device 3 moves towards the detecting table 1, the cover plate 2 is precisely pressed on the detecting table 1 so as to jointly clamp the flexible printed circuit board (FPC 7), then, the detecting table 1 continuously slides on the first sliding part 5 until the position, under the CCD camera 6, of the detecting table 1 reversely slides on the first sliding part 5, the first suction device 3 takes away the cover plate 2, and the third suction device moves the flexible printed circuit board (FPC) 7 after the detection to the storage table.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any changes, equivalents, modifications and improvements may be made without departing from the spirit and principles of the present utility model.

Claims

1. Novel FPC detects device, a serial communication port, including frame, detection mechanism and fixture, fixture includes:

2. The novel FPC detection device according to claim 1, wherein a magnetic attraction body is arranged in the detection table;

3. The novel FPC inspection device according to claim 1, wherein the inspection stage is further provided with a plurality of air inlet holes and an air outlet hole for connecting the air suction device.

4. The novel FPC inspection device according to claim 1, wherein the frame is provided with a first sliding portion, the inspection table is provided with a second sliding portion, and the first sliding portion is slidably connected with the second sliding portion.

5. The novel FPC inspection device according to claim 4, wherein the inspection mechanism includes a CCD camera, and the inspection stage is located between the first sliding portion and the CCD camera in a vertical direction.

6. The novel FPC inspection device according to claim 1, wherein the thickness of the cover plate is smaller than the thickness of the FPC inspection portion.

7. An automatic detection system for an FPC, which is characterized by comprising the novel FPC detection device as claimed in any one of claims 1 to 6, and an FPC conveying mechanism and an FPC picking mechanism which are in butt joint with the novel FPC detection device; wherein,,