JP3185858U - Automatic optical detection equipment - Google Patents

Abstract

An automatic optical detection facility for detecting a flexible circuit sheet is provided.
A flexible circuit sheet has a plurality of circuit areas arranged along a major axis thereof. The automatic optical detection facility 1 includes a base 10, a roll-to-roll device 12, and an optical detection device 14. The roll-to-roll apparatus 12 is provided on the base 10, includes a first roller 120 and a second roller 122, and is used for feeding the flexible circuit sheet 3 from the first roller 120 to the second roller 122. The optical detection device 14 is provided on the base 10 and is located above the first roller 120 and the second roller 122 and used for reciprocally scanning the circuit area along the scanning direction. The distance between the first roller 120 and the second roller 122 is equal to or shorter than the length in the major axis of any circuit area.
[Selection] Figure 1

Description

  The present invention relates to an automatic optical detection facility.

  With the development of high resolution equipment, improvement of process technology and automation of industrial production, the detection method using conventional visual inspection (MVI) is gradually limited, generally missing elements, part number classification In addition, only some obvious mistakes can be inspected, and are easily affected by artificial, subjective and objective factors, and are unstable, difficult, and expensive. Therefore, automatic optical inspection equipment (AOI) ) Appeared accordingly.

  Automatic optical detection equipment is a detection equipment with considerable market potential in recent years, and its basic working principle is mainly to obtain graphic image information of an object to be detected by an image sensor, and then to incorporate a computer. It is to perform collation, analysis and judgment by software processing and calculation. As can be seen, automatic optical detection not only reduces the error rate due to visual inspection, but also greatly saves time and labor costs. Moreover, the automatic optical detection equipment further has merits such as high stability and flexibility in operation.

  In addition, since automatic optical detection equipment has the characteristic of non-destructive inspection, it is generally used in a very wide field including integrated circuits, liquid crystal display panels, light emitting diodes, printed circuit boards, and related industries such as biomedicine. Applicable.

  In a conventional single-wafer type (one-by-one inspection) automatic optical detection facility for detecting a flexible circuit sheet, the flexible circuit sheet is mounted on a mounting table, and an XY plane is scanned by an image scanning module. . When the existing equipment is to be modified to a roll-to-roll automatic optical detection equipment, the rollers must be provided on both sides of the mounting table in an external connection manner. However, in the method of the external connection roller, the volume of the entire automatic optical detection equipment is too large, and in the process of sending the flexible circuit sheet, before the next flexible circuit sheet is sent, an operation of winding up is necessary. (cycle time) cannot be shortened.

  The present invention provides an automatic optical detection facility for detecting a flexible circuit sheet. The flexible circuit sheet has a plurality of circuit regions arranged along its long axis. The automatic optical detection facility includes a base, a roll-to-roll device, and an optical detection device. The roll-to-roll apparatus is provided on a base, includes a first roller and a second roller, and is used for feeding a flexible circuit sheet from the first roller to the second roller. The optical detection device is provided on the base and is located above the first roller and the second roller, and is used for reciprocally scanning the circuit area along the scanning direction. The distance between the first roller and the second roller is equal to or shorter than the length in the major axis of any circuit area.

In one embodiment of the present invention, the flexible circuit sheet has a flat portion between the first roller and the second roller. The optical detection device includes a lens module and a video scanning module. The lens module is located above the flat portion. The image scanning module is located above the lens module and used to scan the circuit area by the lens module.

In one embodiment of the present invention, the optical detection device further includes at least one light source. The light source is located adjacent to the lens module and directly opposite the flat portion, and is used for supplementing the flat portion.

In one embodiment of the present invention, the automatic optical detection facility further includes a rail. The rail is provided on the base and is used between the roll-to-roll device and the optical detection device to guide the optical detection device to move above the flat portion in the scanning direction.

In one embodiment of the present invention, the automatic optical detection facility further includes a first driver. The first driver is provided on the rail and operably connected to the optical detection device, and is used to drive the optical detection device to reciprocate along the rail above the flat portion.

In one embodiment of the present invention, the optical detection device further includes a video synthesis module. The video synthesizing module is electrically connected to the video scanning module, and is used to synthesize an image of a circuit area based on a scanning result by the video scanning module.

In one embodiment of the present invention, the automatic optical detection facility further includes a second driver. The second driver is operably connected to the first roller and the second roller, and is used to drive the first roller and the second roller to rotate.

In one embodiment of the present invention, the automatic optical detection facility further includes an image acquisition device. The image acquisition device is electrically connected to the second driver and is used to detect a position on a flat portion of any circuit area. The second driver drives the first roller and the second roller to rotate according to the detection result by the image acquisition device.

In one embodiment of the present invention, the scanning direction is perpendicular to the major axis.

In one embodiment of the present invention, the first roller and the second roller are perpendicular to the long axis.

  One main technical feature of the automatic optical detection equipment provided by the present invention is that the automatic optical detection equipment is provided with only a roll-to-roll type device, and a flexible circuit sheet is continuously fed and mounted. Since the conventional carrier plate is removed and scanning is performed only in a single scanning direction in accordance with the optical detection device, it is possible to directly reduce the preparation time for winding up and winding up the flexible circuit sheet. It is possible to achieve the effect of greatly reducing the overall volume of the automatic optical detection equipment. Another main technical feature of the automatic optical detection equipment provided by the present invention is that the position of the next circuit area is previously detected in the process in which a separately added image acquisition device detects a circuit area in the flexible circuit sheet. And the positioning accuracy of the feed by the roll-to-roll apparatus can be improved.

It is a front view which shows the automatic optical detection equipment of one Embodiment of this invention. It is a perspective view which shows the optical detection apparatus, rail, and 1st driver which were shown in FIG. It is a fragmentary perspective view which shows the 1st roller, 2nd roller, and flexible circuit sheet which were shown in FIG.

  In the following description, numerous practical details are set forth in the following description in order to disclose and clearly describe the several embodiments of the present invention in the drawings. However, it should be understood that these practical details are not intended to limit the invention. That is, these practical details are not essential in some of the embodiments of the present invention. Also, to simplify the drawings, some conventional structures and elements are shown schematically and simply in the drawings.

  FIG. 1 is a front view showing an automatic optical detection equipment 1 according to an embodiment of the present invention, FIG. 2 is a perspective view showing an optical detection device 14, a rail 16 and a first driver 18 shown in FIG. Please refer to FIG. 3 which is a partial perspective view showing the first roller 120, the second roller 122 and the flexible circuit sheet 3 shown in FIG.

  As shown in FIG.1 and FIG.3, in this embodiment, the automatic optical detection equipment 1 is mainly used for detecting the flexible circuit sheet 3. FIG. The flexible circuit sheet 3 has a plurality of circuit areas 32 arranged along the long axis A thereof.

  As shown in FIG. 1, the automatic optical detection facility 1 includes a base 10, a roll-to-roll device 12, and an optical detection device 14. The roll-to-roll apparatus 12 of the automatic optical detection equipment 1 is provided on the base 10 and includes a first roller 120 and a second roller 122, and the flexible circuit sheet 3 is moved from the first roller 120 to the second roller 122. Used for sending. In the present embodiment, the first roller 120 and the second roller 122 provided in the roll-to-roll apparatus 12 are perpendicular to the long axis A (shown in FIG. 3) of the flexible circuit sheet 3.

  The optical detection device 14 is provided on the base 10, is located above the first roller 120 and the second roller 122, and has a circuit area 32 of the flexible circuit sheet 3 along a predetermined scanning direction S (shown in FIG. 3). Is used for reciprocal scanning. In the present embodiment, the scanning direction S is perpendicular to the long axis A of the flexible circuit sheet 3.

  In particular, the distance between the first roller 120 and the second roller 122 of the roll-to-roll device 12 is the same as or shorter than the length in the major axis A of any circuit section 32.

  As can be seen, the automatic optical detection equipment 1 of the present invention continuously feeds the flexible circuit sheet 3 with the roll-to-roll device 12, omitting the conventional carrier plate for mounting the flexible circuit sheet 3, And since it scans in the single scanning direction S according to the optical detection apparatus 14, the effect which reduces the whole volume greatly can be achieved.

  As shown in FIGS. 2 and 3, in the present embodiment, the flexible circuit sheet 3 has a flat portion 30 between the first roller 120 and the second roller 122. Since the distance between the first roller 120 and the second roller 122 is the same as or shorter than the length of the long axis A of any of the circuit sections 32, the length of the flat portion 30 of the flexible circuit sheet 3 in the long axis A is long. Is equal to or shorter than the length of any circuit area 32 in the major axis A.

  The optical detection device 14 of the automatic optical detection facility 1 includes a lens module 140, a video scanning module 142, and a light source 144. The lens module 140 of the optical detection device 14 is located above the flat portion 30 of the flexible circuit sheet 3. The image scanning module 142 of the optical detection device 14 is positioned above the lens module 140 and is used for scanning the circuit area 32 of the flexible circuit sheet 3 by the lens module 140. The light source 144 of the optical detection device 14 is used to supplement the flat portion 30 adjacent to the lens module 140 and facing the flat portion 30 of the flexible circuit sheet 3.

  Similarly, as shown in FIG. 2, the automatic optical detection equipment 1 further includes a rail 16. The rail 16 of the automatic optical detection equipment 1 is provided on the base 10 and is positioned between the roll-to-roll device 12 and the optical detection equipment 14, and the orientation of the rail 16 of the automatic optical detection equipment 1 is in the scanning direction S. Parallel. Since the optical detection device 14 of the automatic optical detection facility 1 is slidably provided on the rail 16, the optical detection device 14 is guided by the rail 16 so as to move along the scanning direction S above the flat portion 30. Can do.

  The automatic optical detection facility 1 further includes a first driver 18. The first driver 18 of the automatic optical detection facility 1 is provided on the rail 16 and is operably connected to the optical detection device 14 so that the optical detection device 14 is connected to the rail 16 above the flat portion 30 of the flexible circuit sheet 3. It is used for driving so as to reciprocate along.

  As shown in FIG. 1, in the present embodiment, the automatic optical detection equipment 1 further includes a second driver 20. The second driver 20 of the automatic optical detection equipment 1 is operably connected to the first roller 120 and the second roller 122 of the roll-to-roll apparatus 12 so as to rotate the first roller 120 and the second roller 122. It is used for driving.

  In the scanning process by the optical detection device 14, the second driver 20 of the automatic optical detection equipment 1 first drives the first roller 120 and the second roller 122 of the roll-to-roll device 12 to move the feeding step. . Then, the first driver 18 of the optical detection device 14 drives the optical detection device 14 to move reciprocally along the rail 16 above the flat portion 30 of the flexible circuit sheet 3, and scans to perform the circuit section 32. Get some images of. Further, a part of the image scanned in any one of the feeding steps by the optical detection device 14 partially overlaps a part of the image scanned in the previous feeding step and the next feeding step.

  The optical detection device 14 of the automatic optical detection facility 1 further includes a video composition module 146 (as indicated by the broken line in FIG. 1). The video synthesis module 146 of the optical detection device 14 is electrically connected to the video scanning module 142 and is used to synthesize an image of the circuit area 32 based on the scanning result of the video scanning module 142. In other words, the video composition module 146 of the optical detection device 14 can synthesize two partially overlapping images into a complete circuit area 32 image.

  Similarly, as shown in FIG. 1, the automatic optical detection facility 1 further includes an image acquisition device 22. The image acquisition device 22 of the automatic optical detection facility 1 is electrically connected to the second driver 20 and is used to detect the position of the circuit section 32 of any one of the flexible circuit sheets 3 in the flat portion 30. The second driver 20 of the automatic optical detection facility 1 drives the first roller 120 and the second roller 122 of the roll-to-roll apparatus 12 to rotate according to the detection result of the image acquisition device 22.

  Thereby, in the process of scanning a certain circuit area 32 in the flexible circuit sheet 3 by the optical detection device 14, the image acquisition device 22 first determines the position of the next circuit area 32 and sends it by the roll-to-roll apparatus 12. The effect of supplementing the positioning accuracy can be achieved.

  As can be clearly understood from the detailed description of the specific embodiments of the present invention, one main technical feature of the automatic optical detection equipment provided by the present invention is that only the roll-to-roll apparatus is included in the automatic optical detection equipment. The flexible circuit sheet is continuously fed, the conventional carrier plate for mounting the flexible circuit sheet is removed, and scanning is performed only in a single scanning direction according to the optical detection device. In addition to being able to directly reduce the preparation time for the hoisting and entraining, it is possible to achieve the effect of greatly reducing the entire site area of the automatic optical detection equipment. Another main technical feature of the automatic optical detection equipment provided by the present invention is that the position of the next circuit area is previously detected in the process in which a separately added image acquisition device detects a circuit area in the flexible circuit sheet. The positioning accuracy of the feed by the roll-to-roll apparatus can be improved.

  In the present invention, the embodiment has been disclosed as described above, but this does not limit the present invention, and as long as the person skilled in the art is familiar with the technology, the spirit and scope of the present invention are not departed. Various changes and modifications can be made. Therefore, the scope of protection of the present invention is based on the contents specified in the claims for utility model registration.

1: Automatic optical detection equipment 3: Flexible circuit sheet 10: Base 12: Roll-to-roll device 14: Optical detection device 16: Rail 18: First driver 20: Second driver 22: Image acquisition device 30: Flat part 32: Circuit area 120: first roller 122: second roller 140: lens module 142: video scanning module 144: light source 146: video composition module A: long axis S: scanning direction

Claims (10)

The flexible circuit sheet has a plurality of circuit areas arranged along the long axis of the flexible circuit sheet, and is used for detection.
Base and
A roll-to-roll apparatus for feeding the flexible circuit sheet from the first roller to the second roller, the first roller being provided on the base and including a first roller;
An optical detection device provided on the base and positioned above the first roller and the second roller for reciprocally scanning the circuit area along a scanning direction;
With
The automatic optical detection equipment, wherein the distance between the first roller and the second roller is the same as or shorter than the length of any one of the circuit sections on the major axis. The flexible circuit sheet has a flat portion between the first roller and the second roller, and the optical detection device comprises:
A lens module located above the flat part;
The automatic optical detection facility according to claim 1, further comprising an image scanning module positioned above the lens module for scanning the circuit area by the lens module.   The automatic optical detection equipment according to claim 2, further comprising at least one light source, wherein the light source is adjacent to the lens module and faces the flat part, and is used to supplement the flat part. .   Provided on the base and positioned between the roll-to-roll device and the optical detection device for guiding the optical detection device to move above the flat portion along the scanning direction. The automatic optical detection equipment according to claim 2, further comprising a rail.   A first driver provided on the rail and operably connected to the optical detection device for driving the optical detection device to reciprocate along the rail above the flat portion; The automatic optical detection equipment according to claim 4 provided.   The automatic detection apparatus according to claim 2, wherein the optical detection device further includes a video synthesis module that is electrically connected to the video scanning module and synthesizes an image of the circuit area based on a scanning result of the video scanning module. Optical detection equipment.   The automatic optical system according to claim 2, further comprising a second driver operably connected to the first roller and the second roller to drive the first roller and the second roller to rotate. Detection equipment.   An image acquisition device that is electrically connected to the second driver and detects a position of the circuit area in the flat portion is further included, and the second driver is based on a detection result by the image acquisition device. The automatic optical detection equipment according to claim 7, wherein the first roller and the second roller are driven to rotate.   The automatic optical detection equipment according to claim 1, wherein the scanning direction is perpendicular to the long axis.   The automatic optical detection facility according to claim 1, wherein the first roller and the second roller are perpendicular to the major axis.

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