Surface inspection system of foil-like object

Abstract

To provide a surface inspection system of a foil-like object.SOLUTION: A surface inspection system of a foil-like object includes a combination type box body mainly having a top part opening and a bottom part opening, and a plurality of light sources and a plurality of machine vision devices which are installed in the combination type box body. During normal operation, a foil-like object is made to enter into the combination type box body through the top part opening, at this time, the plurality of machine vision devices perform defect detection and breakage detection on two surfaces of the foil-like object according to the plurality of light sources. After completion of the detection, the foil-like object is removed from the combination type box body through the bottom part opening. According to the design, the combination type box body includes a first box body, a second box body, and a pivot assembly for connecting the first box body and the second box body. By being designed in this way, when an abnormal state appears in the foil-like object, in a state in which the second box body is fixed, the first box body is rotated at a predetermined angle, the combination type box body can be presented in an open state, and the abnormal state of the foil-like object is easily examined and can be eliminated.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to the technical field of automated optical inspection (AOI), and in particular to a surface inspection system for foil-like objects. [Background technology]

[0002] Aluminum foil is a versatile electronic aluminum foil and is widely used in the manufacture of various electronic devices, for example, electronic aluminum foil is used to manufacture electrolytic capacitors.

[0003] Electrolytic capacitors are used to store electric charge. And electronic aluminum foil can be used as the electrode material of electrolytic capacitors. It should be understood that the size of its surface area is directly related to the charge storage capacity of the electrolytic capacitor. At present, the process for improving the surface area of ​​electronic aluminum foil includes etching and formation, among which the etching process is used to form a microscopic rough structure containing a large number of micropores on the surface of the aluminum foil by subjecting high purity aluminum foil to electrochemical etching in a specific solution. Then, the formation process is a process of forming a foil made of aluminum by forming a dense aluminum oxide thin film on the surface of the aluminum foil having a microscopic rough structure using an electrochemical process.

[0004] In the process of continuous and batch mass production of aluminum foil (i.e., electronic aluminum foil) using an automated production line, the raw materials, equipment conditions, environmental factors, etc. can cause different types of changes in the microscopic roughness structure, which can affect the specific surface area and specific volume of the final aluminum foil. For this reason, in the production and research and development of electronic aluminum foil, it is necessary to perform online real-time observation of the microscopic shape of the electronic aluminum foil in order to analyze the cause of changes in the specific surface area and / or specific volume. Summary of the Invention [Problem to be solved by the invention]

[0005] In view of this, the inventors of the present application have conducted intensive research and have finally developed and completed a surface inspection system for foil-like objects according to the present invention.

[0006] The main objective of the present invention is to provide a surface inspection system for foils, which may be integrated in an automated production line of foils, e.g., aluminum foils, and used to perform online real-time observations on the microscopic shapes and / or defects of the foils, thereby providing useful reference data for controlling parameters of the actual manufacturing process and ensuring the production quality of metal foils (e.g., aluminum foils, copper foils). The surface inspection system for a foil-like object of the present invention mainly comprises a combination box having a top opening and a bottom opening, and a plurality of light sources and a plurality of machine vision devices installed in the combination box. During normal operation, a foil-like object is inserted into the combination box through the top opening, and the plurality of machine vision devices detect defects and damage on the two surfaces of the foil-like object in accordance with the plurality of light sources. After the detection is completed, the foil-like object is removed from the combination box through the bottom opening. [Means for solving the problem]

[0007] According to the present invention, the combination box includes a first box, a second box, and a pivot assembly connecting the first box and the second box. With this design, when an abnormality occurs in the foil-like object, the first box can be rotated by a predetermined angle when the second box is fixed, and the combination box can be presented in an open state, so that the abnormality in the foil-like object can be easily inspected and removed.

[0008] In addition, at least one insulating separation plate is installed in each of the first box and the second box, and the internal metal members arranged adjacent to the top opening and / or bottom opening are all covered with an insulating protective layer. With this design, even if the foil-like object is arranged adjacent to or comes into contact with a metal member during the process of the foil-like object moving into or out of the combination box at a predetermined moving speed, no ignition phenomenon will occur.

[0009] In order to achieve the above object, the present invention provides an embodiment of a surface inspection system for the foil-like object, which includes a combination box, a first light source, a second light source, a first machine vision device, and a second machine vision device, the combination box has a top opening and a bottom opening, the foil-like object enters the combination box through the top opening and leaves the combination box through the bottom opening, the combination box includes a first box, a second box, and a pivot assembly connecting the first box and the second box, the first light source is installed in the first box and has a first installation height, the second light source is installed in the second box and also has the first installation height, the first machine vision device a first machine vision device installed within the first box body and having a second installation height higher than the first installation height, and a second machine vision device installed within the second box body and also having the second installation height, wherein, when the second box body is fixed, applying a force to the first box body causes the first box body to rotate a predetermined angle about the pivot assembly as an axis, thereby presenting the combination box body in an open state, and, when the first box body is fixed, applying a force to the second box body causes the second box body to rotate a predetermined angle about the pivot assembly as an axis, thereby similarly presenting the combination box body in the open state.

[0010] In one embodiment of the present invention, the foil is any one selected from the group consisting of metal foil, flexible substrate, paper, and flexible substrate coated with an adhesive layer.

[0011] In a feasible embodiment of the present invention, the surface inspection system for foil-like objects of the present invention further comprises a third light source installed within the second housing and having a third installation height lower than the second installation height, a third machine vision device installed within the first housing and facing the third light source, and a power supply device installed within the first housing and located between the third machine vision device and the first machine vision device.

[0012] In one embodiment of the present invention, the first box body includes a first frame having a first groove on its front side, a first side plate connected to a first side edge of the first frame, a first top plate connected to a top side of the first frame and having a second groove on one side, a first bottom plate connected to a bottom side of the first frame and having a third groove on one side, a first front plate connected to the front side of the first frame and having a fourth groove on one side facing the first groove, a first rear plate connected to a rear side of the first frame and having a first opening and a second opening, and a second opening in the first frame. The frame includes a first support plate installed in the first frame and provided for installing the first light source thereon, a second support plate installed in the first frame and provided for installing the first machine vision device thereon, a third support plate installed in the first frame and provided for installing the power supply device thereon, a fourth support plate installed in the first frame and provided for installing the third machine vision device thereon, and a fifth support plate installed in the first frame, located at the bottom of the first frame and arranged adjacent to the third groove of the first support plate.

[0013] In one embodiment of the present invention, the second box includes a second frame having a fifth groove on its front side, a second side plate connected to a first side of the second frame, a second top plate connected to a top side of the second frame and having a sixth groove on one side, a second bottom plate connected to a bottom side of the second frame and having a seventh groove on one side, a second front plate connected to the front side of the second frame and having an eighth groove on one side facing the fifth groove, a second rear plate connected to a rear side of the second frame, a sixth support plate installed in the second frame for installing the second light source thereon, and a seventh support plate installed in the second frame for installing the second machine vision device thereon. and an eighth support plate installed in the second frame, located at the bottom of the second frame and adjacent to the seventh groove of the second bottom plate, wherein the groove consisting of the fifth groove and the first groove is provided for installing a locking assembly therein, and a second side edge of the second frame contacts a second side edge of the first frame, wherein the second groove and the sixth groove provide the top opening, and the third groove and the seventh groove provide the bottom opening, wherein the pivot assembly connects the second rear plate and the first rear plate, wherein the third light source is installed on the eighth support plate, and the eighth support plate and the fifth support plate are both covered with an insulating outer layer.

[0014] In one embodiment of the present invention, the first light source includes a first bracket, a first lighting device installed on the first bracket, a first insulating plate covering the first lighting device and having a third opening for exposing the light-emitting surface of the first lighting device, and a second insulating plate covering the first bracket and preventing contact between the foil-like object and the first bracket, and causes the first illumination light of the first lighting device to be irradiated onto a first surface of the foil-like object at a predetermined incident angle.

[0015] In one embodiment of the present invention, the second light source includes a second bracket, a second lighting device installed on the second bracket, a third insulating plate covering the second lighting device and having a fourth opening for exposing the light-emitting surface of the second lighting device, and a fourth insulating plate covering the second bracket and preventing contact between the foil-like object and the second bracket, and the second illumination light of the second lighting device is irradiated onto the second surface of the foil-like object at the predetermined incident angle.

[0016] In one embodiment of the present invention, the third light source includes a third bracket, a third lighting device installed on the third bracket, and a fifth insulating plate covering the third lighting device and the third bracket and having a fifth opening for exposing the light output surface of the third lighting device, and causes the third illumination light of the third lighting device to be irradiated horizontally onto the second surface of the foil-like object.

[0017] In one embodiment of the present invention, the first machine vision device, the second machine vision device, and the third machine vision device all include a housing, a plurality of imaging devices housed in the housing, a control and processing module housed in the housing and electrically connected to the plurality of imaging devices, a heat dissipation device housed in the housing and facing a plurality of heat dissipation holes of the housing, and a handle connected to the housing, and a lens of each of the imaging devices is exposed from the housing.

[0018] In one embodiment of the present invention, the device further comprises an adapter unit installed within the first housing and having a first communication interface, and the first communication interface is exposed through the second opening of the first rear panel.

[0019] In one embodiment of the present invention, the control box has a second communication interface, and it is information-connected with the first machine vision device, the second machine vision device and the third machine vision device via the adapter unit according to communication between the second communication interface and the first communication interface.

[0020] In one embodiment of the present invention, the power supply device includes a housing body, a power supply circuit accommodated in the housing body, a heat dissipation device accommodated in the housing body and facing a plurality of heat dissipation holes of the housing body, a power switch electrically connected to the power supply circuit, a power connector electrically connected to the power supply circuit, and a handle coupled to the housing body, wherein the power switch and the power connector are exposed through the first opening of the first rear panel.

[0021] In one embodiment of the present invention, the first housing body of the first lighting device, the second housing body of the second lighting device, the third housing body of the second lighting device, the three containers and the housing body are all coated with an etching-resistant protective layer.

[0022] In one possible embodiment of the present invention, the surface inspection system for foil-like objects of the present invention further includes a first insulating separator installed within the first box and adjacent to the second groove of the first top plate and the third groove of the first bottom plate, and a second insulating separator installed within the second box and adjacent to the sixth groove of the second top plate, wherein the first insulating separator has a plurality of first apertures facing the plurality of lenses of the first machine vision device, wherein the second insulating separator has a plurality of second apertures facing the plurality of lenses of the third machine vision device, wherein the second insulating separator has a plurality of third apertures facing the plurality of lenses of the second machine vision device.

[0023] In another possible embodiment of the present invention, the surface inspection system for foil-like objects according to the present invention further comprises at least one first insulating angle iron installed within the first box adjacent to the second side edge of the first frame, adjacent to the front edge of the top opening, and adjacent to the front edge of the bottom opening; at least one second insulating angle iron installed within the first box adjacent to the second side edge of the first frame, adjacent to the rear edge of the top opening, and adjacent to the rear edge of the bottom opening; at least one third insulating angle iron installed within the second box adjacent to the second side edge of the second frame, adjacent to the front edge of the top opening, and adjacent to the front edge of the bottom opening; and at least one fourth insulating angle iron installed within the second box adjacent to the second side edge of the second frame, adjacent to the rear edge of the top opening, and adjacent to the rear edge of the bottom opening.

[0024] In one embodiment of the present invention, a length measuring device is installed outside or inside the combination box and is used to perform length measurement on the foil-like object, and the control box is electrically connected to the length measuring device. Effect of the Invention

[0025] According to the present invention, the combination box includes a first box, a second box, and a pivot assembly connecting the first box and the second box. With this design, when an abnormality occurs in the foil-like object, the first box can be rotated by a predetermined angle when the second box is fixed, and the combination box can be presented in an open state, so that the abnormality in the foil-like object can be easily inspected and removed. Of course, when the first box body is fixed, the second box body can be rotated by a predetermined angle to present the combination box body in an open state. [Brief description of the drawings]

[0026] [Figure 1A] 1 is a first perspective view of a surface inspection system for a foil-like object according to the present invention; FIG. [Figure 1B] FIG. 2 is a second perspective view of the foil surface inspection system of the present invention. [Diagram 2] FIG. 2 is a diagram showing a first operational mode of the surface inspection system for foil-like objects of the present invention. [Figure 3A] FIG. 4 is a first perspective view of a first box body. [Figure 3B] FIG. 4 is a second perspective view of the first box body. [Figure 4A] FIG. 4 is a first perspective view of a second box body. [Figure 4B] FIG. 4 is a second perspective view of the second box body. [Figure 5A] FIG. 11 is a first exploded perspective view of the first box body. [Figure 5B] FIG. 2 is a second exploded perspective view of the first box body. [Figure 6A] FIG. 11 is a first exploded perspective view of the second box body. [Figure 6B] FIG. 2 is a second exploded oblique view of the second box body. [Figure 7A] FIG. 2 is a first perspective view of multiple light sources and multiple machine vision devices within a combination box. [Figure 7B] FIG. 2 is a second perspective view of multiple light sources and multiple machine vision devices within the combination box. [Figure 8A] FIG. 2 is a diagram showing a second operational mode of the surface inspection system for foil-like objects of the present invention. [Figure 8B] FIG. 3 is a diagram showing a third operational mode of the surface inspection system for foil-like objects of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0027] In order to more clearly describe the foil surface inspection system according to the present invention, a preferred embodiment of the invention will now be described in detail with reference to the accompanying drawings.

[0028] The present invention provides a foil surface inspection system. The surface inspection system for foils according to the present invention may be integrated into an automated production line for foils, e.g., aluminum foils, and used to perform online real-time observation of the microscopic shapes and / or defects of the foils, thereby providing useful reference data for controlling actual manufacturing process parameters and ensuring the production quality of metal foils (e.g., aluminum foils, copper foils). In a possible application, the foil surface inspection system of the present invention may be used to perform defect detection on other metal foils, flexible substrates, paper or flexible substrates coated with an adhesive layer. In other words, the foil may be, but is not limited to, a metal foil, a flexible substrate, paper, or a flexible substrate coated with an adhesive layer.

[0029] Reference will now be made to Figures 1A and 1B, which show a first and a second perspective view, respectively, of a surface inspection system for foil-like objects according to the present invention. As shown in FIGS. 1A and 1B, the surface inspection system 1 for a foil-like object of the present invention mainly comprises a combination box 10 having a top opening 10TO and a bottom opening 10BO. The combination box 10 is provided with a number of light sources and a number of machine vision devices. In normal operation, a foil-like object is inserted into the combination box 10 through the top opening 10TO. At this time, the plurality of machine vision devices detect defects and damages on the two surfaces of the foil in accordance with the plurality of light sources. After the detection is completed, the foil-like object is removed from the combination box 10 through the bottom opening 10BO.

[0030] FIG. 2 is a diagram showing a first operational mode of the surface inspection system for foil-like objects according to the present invention. According to the present invention, the combination box 10 includes a first box 11, a second box 12, and a pivot assembly 1P connecting the first box 11 and the second box 12 together. With this design, when an abnormality occurs in the foil-like object, the first box 11 can be rotated by a predetermined angle when the second box 12 is fixed, causing the combination box 10 to be presented in an open state, so that the abnormality in the foil-like object can be easily inspected and removed. Of course, when the first box body 11 is fixed, the second box body 12 can be rotated by a predetermined angle to present the combination box body 10 in an open state.

[0031] 3A and 3B are a first and second perspective views of the first box body 11. FIG. As shown in Figures 1A, 1B, 3A and 3B, the first box body 11 includes a first frame 11F having a first groove 111 on its front side, a first side plate 11FS connected to a first side edge of the first frame 11F, a first top plate 11FT connected to the top side of the first frame 11F, a first bottom plate 11FB connected to the bottom side of the first frame 11F, a first front plate 11FF connected to the front side of the first frame 11F, and a first rear plate 11FR connected to the rear side of the first frame 11F. Among them, the first top plate 11FT has a second groove on one side edge, the first bottom plate 11FB has a third groove on one side edge, and the first front plate 11FF has a fourth groove facing the first groove 111 on one side edge, and the first rear plate 11FR has a first opening and a second opening.

[0032] 4A and 4B are a first and second perspective views of the second box 12. FIG. As shown in Figures 1A, 1B, 4A and 4B, the second box body 12 includes a second frame 12F having a fifth groove 121 on its front side, a second side plate 12FS connected to a first side edge of the second frame 12F, a second top plate 12FT connected to the top side of the second frame 12F, a second bottom plate 12FB connected to the bottom side of the second frame 12F, a second front plate 12FF connected to the front side of the second frame 12F, and a second rear plate 12FR connected to the rear side of the second frame 12F. Among them, a sixth groove is provided on one side edge of the second top plate 12FT, a seventh groove is provided on one side edge of the second bottom plate 12FB, the second side edge of the second frame 12F contacts the second side edge of the first frame 11F, and the groove formed by the fifth groove 121 and the first groove 111 is provided for installing a lock assembly 11M therein. The sixth groove of the second top plate 12FT and the second groove of the first top plate 11FT together form the top opening 10TO. Correspondingly, the seventh groove of the second bottom plate 12FB and the third groove of the first bottom plate 11FB together form the bottom opening 10BO. Furthermore, one side of the second front plate 12FF has an eighth groove facing the fifth groove 121. The pivot assembly 1P connects the second rear plate 12FR and the first rear plate 11FR.

[0033] 5A and 5B are a first and a second exploded perspective views of the first box body 11. FIG. As shown in Figures 3A, 3B, 5A and 5B, a first light source L1 and a first machine vision device C1 are provided in the first box body 11, and a second light source L2 and a second machine vision device C2 are provided in the second box body 12. More specifically, the first light source L1 is installed in the first frame 11F via a first support plate SP1, and has a first installation height. The first machine vision device C1 is installed in the first frame 11F via a second support plate SP2, and has a second installation height that is higher than the first installation height. In addition, a third support plate SP3, a fourth support plate SP4, and a fifth support plate SP5 are provided in the first frame 11F, the fifth support plate SP5 being located at the bottom of the first frame 11F and adjacent to the third groove of the first bottom plate 11FB.

[0034] 6A and 6B are a first and a second exploded perspective views of the second box 12. FIG. As shown in FIGS. 4A, 4B, 6A and 6B, a second light source L2 and a second machine vision device C2 are provided in the second box 12. As shown in FIG. More specifically, the second light source L2 is installed in the second frame 12F via a sixth support plate SP6, and also has the first installation height. Meanwhile, the second machine vision device C2 is installed in the second frame 12F via a seventh support plate SP7, and also has the second installation height. In addition, an eighth support plate SP8 is provided in the first frame 11F, the eighth support plate SP8 being located at the bottom of the second frame 12F and adjacent to the seventh groove of the second bottom plate 12FB.

[0035] 7A and 7B are first and second perspective views of a number of light sources and a number of machine vision devices in the combination box 10. FIG. According to the design of the present invention, the first light source L1 includes a first bracket L11, a first lighting device L12, a first insulating plate IP1 and a second insulating plate IP2. The first lighting device L12 is installed on the first bracket L11 and has an inclination angle, so as to irradiate a first illumination light onto a first surface of the foil-like object at a predetermined incident angle. Thus, under the illumination of the first illumination light, the first machine vision device C1 can perform a defect detection operation on the first surface. In comparison, the second light source L2 includes a second bracket L21, a second lighting device L22, a third insulating plate IP3 and a fourth insulating plate IP4. Among them, the second lighting device L22 is installed on the second bracket L21 and also has the inclination angle, so as to irradiate the second lighting light onto the second surface of the foil-like object at the predetermined incident angle. Thus, under the illumination of the second illumination light, the second machine vision device C2 is able to perform a defect detection operation on the second surface.

[0036] It is worth noting that the first insulating plate IP1 has a third opening for covering the first lighting device L12 and exposing the light-emitting surface of the first lighting device L12. In addition, as the second insulating plate IP2 covers the first bracket L11, it prevents the foil-like object from contacting the first bracket L11. Similarly, the third insulating plate IP3 covers the second lighting device L22 and has a fourth opening for exposing the light-emitting surface of the second lighting device L22. As the fourth insulating plate IP4 covers the second bracket L21, it prevents the foil-like object from contacting the second bracket L21. In the present invention, the first insulating plate IP1, the second insulating plate IP2, the third insulating plate IP3 and the fourth insulating plate IP4 are used to prevent the foil-like object from contacting a metal member inside the first box body 11, so that even if the foil-like object is placed close to or in contact with a metal member, no ignition phenomenon will occur.

[0037] To further explain, the first machine vision device C1 includes a first housing C11, a plurality of first image sensors C12 installed in the first housing C11, a first control and processing module installed in the first housing C11, a first heat dissipation device installed in the first housing C11, and a first handle C13 connected to the first housing C11. The lenses of the first image capturing devices C12 are exposed from the first housing C11, and the first heat dissipation devices face a plurality of heat dissipation holes of the first housing C11. Similarly, the second machine vision device C2 includes a second housing C21, a plurality of second image sensors C22 installed in the second housing C21, a second control and processing module installed in the second housing C21, a second heat dissipation device installed in the second housing C21, and a second handle C23 connected to the second housing C21. The lenses of the second imaging devices C22 are exposed from the second housing C21, and the second heat dissipation devices face a plurality of heat dissipation holes of the second housing C21.

[0038] Further, within the second box 12, a third light source L3 is still provided, and within the first box 11, a third machine vision device C3 is still provided. The third light source L3 is installed in the second frame 12F via the eighth support plate SP8, and has a third installation height that is lower than the second installation height. The third light source L3 includes a third bracket L31, a third lighting device L32, and a fifth insulating plate IP5. The third lighting device L32 is disposed on the third bracket L31, and is provided to horizontally irradiate the third lighting light onto the second surface of the foil-like object. Meanwhile, the third machine vision device C3 is installed in the first frame 11F via the fourth support plate SP4 and faces the third light source L3. With this design, the third machine vision device C3 can inspect the foil-like object for defects such as breakage, holes, etc. under irradiation with the third illumination light. To provide a supplementary explanation, the fifth insulating plate IP5 covers the third lighting device L32 and the third bracket L31, and has a fifth opening for exposing the light-emitting surface of the third lighting device L32. Similarly, the fifth insulating plate IP5 is used to prevent an ignition phenomenon that occurs when the foil is placed close to or in contact with a metal member.

[0039] To provide further explanation, the third machine vision device C3 includes a third housing C31, a plurality of third image sensors C32 installed in the third housing C31, a third control and processing module installed in the third housing C31, a third heat dissipation device installed in the third housing C31, and a third handle C33 connected to the third housing C31. The lenses of the third imaging devices C32 are exposed from the third housing C31, and the third heat dissipation devices face a plurality of heat dissipation holes of the third housing C31. In addition, within the first box body 11, a first insulating separation plate IS1 is further provided, and within the second box body 12, a second insulating separation plate IS2 is further provided. As shown, the first insulating separation plate IS1 is adjacent to the second groove of the first top plate 11FT and the third groove of the first bottom plate 11FB. The first insulating separation plate IS1 has a plurality of first openings facing the plurality of lenses of the first machine vision device C1. Meanwhile, the second insulating separation plate IS2 is adjacent to the sixth groove of the second top plate 12FT, and it has a plurality of second apertures facing the plurality of lenses of the third machine vision device C3, and has a plurality of third apertures facing the plurality of lenses of the second machine vision device C2.

[0040] In practical application, the adapter unit 1T is installed in the first box 11 and has a first communication interface exposed through the second opening of the first rear panel 11FR. The control box 1C has a second communication interface 1C1. It is information-coupled with the first machine vision device C1, the second machine vision device C2 and the third machine vision device C3 through the adapter unit 1T according to the communication between the second communication interface 1C1 and the first communication interface. Furthermore, a length measuring device is installed on the outside or inside of the combination box 10 and is used to measure the length of the foil-like object, and the control box 1C is electrically connected to the length measuring device.

[0041] In addition, the power supply device P1 is installed in the first box 11 via the third support plate SP3, and is located between the third machine vision device C3 and the first machine vision device C1. As shown, the power supply device P1 includes a housing body P11, a power supply circuit accommodated in the housing body P11, a heat dissipation device, a power switch P12, a power connector P13, and a handle P14 coupled to the housing body P11. Among them, the power switch P12 and the power connector P13 are both electrically connected to the power supply circuit and are exposed through the first opening of the first rear plate 11FR. Furthermore, the heat dissipation device is accommodated within the housing body P11 and faces a plurality of heat dissipation holes of the housing body P11.

[0042] In order to adequately protect the foil-like object from ignition due to its being placed close to or in contact with metal parts within the combination box 10, both the eighth support plate SP8 and the fifth support plate SP5 are coated with an insulating outer layer. Otherwise, at least one first insulating angle iron IF1, at least one second insulating angle iron IF2, at least one third insulating angle iron IF3 and at least one fourth insulating angle iron IF4 are still provided in the combination box 10. As shown, the at least one first insulating angle iron IF1 is installed in the first box body 11, adjacent to the second side edge of the first frame 11F, adjacent to the front edge of the top opening 10TO, and adjacent to the front edge of the bottom opening 10BO. Furthermore, the at least one second insulating angle iron IF2 is installed in the first box body 11, adjacent to the second side edge of the first frame 11F, adjacent to the rear edge of the top opening 10TO, and adjacent to the rear edge of the bottom opening 10BO. Meanwhile, the at least one third insulating angle iron IF3 is installed in the second box body 12, adjacent to the second side edge of the second frame 12F, adjacent to the front edge of the top opening 10TO, and adjacent to the front edge of the bottom opening 10BO. Furthermore, the at least one fourth insulating angle iron IF4 is installed in the second box body 12, adjacent to the second side edge of the second frame 12F, adjacent to the rear edge of the top opening 10TO, and adjacent to the rear edge of the bottom opening 10BO.

[0043] In addition, in order to adequately protect the electronic module against erosion caused by etching gases and liquids in the manufacturing process environment, the first housing body of the first lighting device L12, the second housing body of the second lighting device L22, the third housing body of the third lighting device L32, the first housing body C11 of the first machine vision device C1, the second housing body C21 of the second machine vision device C2, the third housing body C31 of the third machine vision device C3 and the housing body P11 of the power supply device P1 are all coated with an etching-resistant protective layer.

[0044] 8A and 8B are diagrams showing a second and third operation modes of the surface inspection system for a foil-like object of the present invention. As shown in FIG. 8A, in practical applications, the second front panel 12FF can be removed from the second box body 12, and then the first machine vision device C1 is pulled out from the first box body 11 by applying force to the first handle C13 of the first machine vision device C1. On the other hand, as shown in FIG. 8B, in practical applications, the first rear panel 11FR can be removed from the first box body 11, and then the second machine vision device C2 is pulled out from the second box body 12 by applying force to the second handle C23 of the second machine vision device C2. In other words, the foil surface inspection system 1 of the present invention still has the advantage that the internal electronic device module can be easily pulled out and replaced.

[0045] As described above, a kind of foil surface inspection system proposed by the present invention has been fully and clearly described. It should be emphasized that the above detailed description is a concrete description of the workable embodiments of the present invention, and the scope of the present invention is not limited to these embodiments. Implementations and modifications that do not deviate from the technical spirit of the invention are included in the scope of the claims of the present invention. [Explanation of symbols]

[0046] 1: Foil surface inspection system 10: Combination box body 10TO:Top opening 10BO: Bottom opening 11: 1st box body 111: 1st groove 11M: Lock assembly 11F: 1st frame 11FS: 1st side plate 11FT: 1st top plate 11FB: 1st bottom plate 11FF: 1st front plate 11FR: 1st rear plate SP1: 1st support plate SP2: 2nd support plate SP3: 3rd support plate SP4: 4th support plate SP5: 5th support plate 12:Second box body 121: 5th concave groove 12F: 2nd frame 12FS: 2nd side plate 12FT: 2nd top plate 12FB: 2nd bottom plate 12FF: 2nd front plate 12FR: 2nd rear plate SP6: 6th support plate SP7: 7th support plate SP8: 8th support plate 1P: Pivot assembly 1T: Adapter unit 1C: Control box 1C1: Second communication interface L1: 1st light source L11: First bracket L12: 1st lighting device IP1: First insulating plate IP2: Second insulating plate L2: 2nd light source L21: Second bracket L22:Second lighting device IP3: Third insulating plate IP4: 4th insulating plate L3: Third light source L31: 3rd bracket L32: Third lighting device IP5: 5th insulating plate C1: First machine vision device C11: First Containment Unit C12: First camera C13: 1st handle C2: Second machine vision device C21: Second Containment Unit C22: Second camera C23:Second handle C3: Third machine vision device C31: Third Containment Unit C32: Third camera C33: 3rd handle P1: Power supply device P11: Housing body P12: Power switch P13: Power connector P14: Handle IS1: First insulating separator IS2: Second insulating separator IF1: First insulating angle iron IF2: Second insulating angle iron IF3: 3rd insulated angle iron IF4: No. 4 insulated angle iron

Claims

1. 1. A surface inspection system for a foil-like object, comprising: a combination box; a first light source; a second light source; a first machine vision device; and a second machine vision device, the combination box has a top opening and a bottom opening, the foil-like object is inserted into the combination box through the top opening and removed from the combination box through the bottom opening; The combination box body includes a first box body, a second box body, and a pivot assembly connecting the first box body and the second box body, the first light source is installed within the first box and has a first installation height; the second light source is mounted within the second enclosure and also has the first mounting height; the first machine vision device is installed within the first enclosure and has a second installation height that is greater than the first installation height; the second machine vision device is mounted within the second enclosure and also has the second mounted height; When the second box body is fixed, a force is applied to the first box body to rotate the first box body about the pivot assembly as a pivot point, thereby presenting the combination box body in an open state; A surface inspection system for foil-like objects, characterized in that when the first box body is fixed, a force is applied to the second box body, causing the second box body to rotate a predetermined angle around the pivot assembly as an axis, thereby similarly presenting the combination box body in the open state.

2. 2. The surface inspection system for a foil-like object according to claim 1, wherein the foil-like object is any one selected from the group consisting of a metal foil, a flexible substrate, paper, and a flexible substrate coated with an adhesive layer.

3. The surface inspection system for foil-like objects as described in claim 1, further comprising a third light source installed within the second box and having a third installation height lower than the second installation height, a third machine vision device installed within the first box and facing the third light source, and a power supply device installed within the first box and located between the third machine vision device and the first machine vision device.

4. The first box body includes a first frame having a first groove on its front side, a first side plate connected to a first side edge of the first frame, a first top plate connected to a top side of the first frame and having a second groove on one side thereof, a first bottom plate connected to a bottom side of the first frame and having a third groove on one side thereof, a first front plate connected to the front side of the first frame and having a fourth groove on one side thereof facing the first groove, a first rear plate connected to the rear side of the first frame and having a first opening and a second opening, and a first light source disposed within the first frame for mounting thereon.

4. The surface inspection system for foil-like objects as described in claim 3, characterized in that it includes a first support plate installed in the first frame and provided for installing the first machine vision device thereon, a second support plate installed in the first frame and provided for installing the power supply device thereon, a third support plate installed in the first frame and provided for installing the power supply device thereon, a fourth support plate installed in the first frame and provided for installing the third machine vision device thereon, and a fifth support plate installed in the first frame, located at the bottom of the first frame and positioned adjacent to the third groove of the first support plate.

5. the second box body includes a second frame having a fifth groove on its front side, a second side plate connected to a first side of the second frame, a second top plate connected to a top side of the second frame and having a sixth groove on one side, a second bottom plate connected to a bottom side of the second frame and having a seventh groove on one side, a second front plate connected to the front side of the second frame and having an eighth groove on one side facing the fifth groove, a second rear plate connected to a rear side of the second frame, a sixth support plate installed in the second frame and serving to install the second light source thereon, and a sixth support plate installed in the second frame and serving to install the second machine vision device thereon.

5. The surface inspection system for foil-like objects according to claim 4, further comprising: a seventh support plate provided in the second frame, and an eighth support plate installed in the second frame, located at the bottom of the second frame and disposed adjacent to the seventh groove of the second bottom plate, a groove formed by the fifth groove and the first groove is provided for installing a locking assembly therein, a second side edge of the second frame contacts a second side edge of the first frame, the second groove and the sixth groove provide the top opening, and the third groove and the seventh groove provide the bottom opening, the pivot assembly connects the second rear plate and the first rear plate, and the third light source is installed on the eighth support plate.

6. 6. The surface inspection system for foil-like objects according to claim 5, wherein the eighth support plate and the fifth support plate are both covered with an insulating outer layer.

7. The surface inspection system for foil-like objects according to claim 5, characterized in that the first light source includes a first bracket, a first lighting device installed on the first bracket, a first insulating plate covering the first lighting device and having a third opening for exposing the light-emitting surface of the first lighting device, and a second insulating plate preventing contact between the foil-like object and the first bracket as the first bracket is covered, and the first illumination light of the first lighting device is irradiated onto the first surface of the foil-like object at a predetermined incident angle.

8. The surface inspection system for a foil-like object as described in claim 7, characterized in that the second light source includes a second bracket, a second lighting device installed on the second bracket, a third insulating plate covering the second lighting device and having a fourth opening for exposing the light-emitting surface of the second lighting device, and a fourth insulating plate preventing contact between the foil-like object and the second bracket as the second bracket is covered, and the second illumination light of the second lighting device is irradiated onto the second surface of the foil-like object at the predetermined incident angle.

9. The surface inspection system for foil-like objects as described in claim 8, characterized in that the third light source includes a third bracket, a third lighting device installed on the third bracket, and a fifth insulating plate covering the third lighting device and the third bracket and having a fifth opening for exposing the light output surface of the third lighting device, and the third illumination light of the third lighting device is irradiated horizontally onto the second surface of the foil-like object.

10. The surface inspection system for foil-like objects as described in claim 9, characterized in that the first machine vision device, the second machine vision device, and the third machine vision device all include a housing, a plurality of image sensors housed within the housing, a control and processing module housed within the housing and electrically connected to the plurality of image sensors, a heat dissipation device housed within the housing and facing a plurality of heat dissipation holes of the housing, and a handle coupled to the housing, and the lens of each of the image sensors is exposed from the housing.

11. 10. The surface inspection system for foil-like objects as described in claim 9, further comprising an adapter unit installed within the first housing and having a first communication interface, the first communication interface being exposed through the second opening in the first rear panel.

12. The surface inspection system for foil-like objects as described in claim 11, further comprising a control box having a second communication interface, and the control box is information-connected to the first machine vision device, the second machine vision device and the third machine vision device via the adapter unit according to communication between the second communication interface and the first communication interface.

13. The surface inspection system for foil-like objects as described in claim 12, characterized in that the power supply device includes a housing body, a power supply circuit accommodated in the housing body, a heat dissipation device accommodated in the housing body and facing a plurality of heat dissipation holes of the housing body, a power switch electrically connected to the power supply circuit, a power connector electrically connected to the power supply circuit, and a handle coupled to the housing body, wherein the power switch and the power connector are exposed through the first opening of the first rear panel.

14. The surface inspection system for foil-like objects as described in claim 13, characterized in that the first housing body of the first lighting device, the second housing body of the second lighting device, the third housing body of the third lighting device, the three containers and the housing body are all coated with an etching-resistant protective layer.

15. 14. The surface inspection system for foil-like objects as described in claim 13, further comprising: a first insulating separator plate installed within the first box and adjacent to the second groove of the first top plate and the third groove of the first bottom plate; and a second insulating separator plate installed within the second box and adjacent to the sixth groove of the second top plate, wherein the first insulating separator plate has a plurality of first openings facing the plurality of lenses of the first machine vision device, the second insulating separator plate has a plurality of second openings facing the plurality of lenses of the third machine vision device, and the second insulating separator plate has a plurality of third openings facing the plurality of lenses of the second machine vision device.

16. 10. The surface inspection system for foil-like objects of claim 9, further comprising: at least one first insulating angle iron disposed within the first box adjacent the second side edge of the first frame, adjacent a front edge of the top opening, and adjacent a front edge of the bottom opening; at least one second insulating angle iron disposed within the first box adjacent the second side edge of the first frame, adjacent a rear edge of the top opening, and adjacent a rear edge of the bottom opening; at least one third insulating angle iron disposed within the second box adjacent the second side edge of the second frame, adjacent a front edge of the top opening, and adjacent a front edge of the bottom opening; and at least one fourth insulating angle iron disposed within the second box adjacent the second side edge of the second frame, adjacent a rear edge of the top opening, and adjacent a rear edge of the bottom opening.

17. The surface inspection system for foil-like objects as described in claim 12, characterized in that a length measuring device installed outside or inside the combination box is used to measure the length of the foil-like object, and the control box is electrically connected to the length measuring device.

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