Film edge burr image focusing detection device and burr detection system

Abstract

The utility model belongs to detection equipment technical field, concretely relates to a kind of film edge burr image focusing detection device and burr detection system, and this burr image focusing detection device includes: controller, clamping mechanism, deviation rectification positioning mechanism, image acquisition mechanism and focusing adjustment mechanism;Controller obtains the offset parameter of film by deviation rectification positioning mechanism, and controller drives focusing adjustment mechanism to adjust the spacing between image acquisition mechanism and clamping mechanism;The utility model is by being provided with clamping mechanism and deviation rectification positioning mechanism on film conveying path, can avoid the problem that image acquisition mechanism shakes when collecting film edge image, simultaneously, the offset parameter of film is acquired in real time, realizes that image acquisition mechanism focuses on collecting film edge image, can satisfy the collection demand of high speed and clear of image acquisition mechanism, and the identification speed and identification accuracy of burr in film edge image are higher.

Description

Technical Field

[0001] This utility model belongs to the field of testing equipment technology, specifically relating to a device for testing defects, and more particularly to a fixed-focus detection device and system for detecting burrs on the edge of a thin film. Background Technology

[0002] After the battery film is cut, burrs may appear on the edge of the film due to tool wear, improper parameter settings, etc. It is necessary to identify and deal with the burrs, otherwise the burrs will puncture the separator and cause an internal short circuit.

[0003] However, the film needs to be transported at a speed of 120 m / min during image recognition. The unwinding and rewinding equipment cannot guarantee a stable film transport at all times, causing the film to deviate during transport. The image acquisition equipment cannot quickly focus when the transport speed reaches 120 m / min, resulting in unclear images. Currently, algorithms are used to correct the images and identify burr defects, but the recognition accuracy is limited due to the blurry images themselves.

[0004] Therefore, there is an urgent need to develop a new image focusing detection device and burr detection system for thin film edge burrs to solve the technical problem that the image acquisition equipment cannot adjust the focus quickly in real time, resulting in unclear images that affect the accuracy of burr detection.

[0005] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content

[0006] This disclosure provides at least one image focusing detection device and burr detection system for thin film edge burrs.

[0007] In a first aspect, embodiments of this disclosure provide a fixed-focus detection device for thin film edge burrs, comprising: a controller, a clamping mechanism, a correction and positioning mechanism, an image acquisition mechanism, and a fixed-focus adjustment mechanism; wherein the correction and positioning mechanism is located on one side of the clamping mechanism, and the thin film passes through the clamping mechanism and the correction and positioning mechanism; the image acquisition mechanism is disposed towards the clamping mechanism and towards the edge of the thin film; the image acquisition mechanism is movably connected to the fixed-focus adjustment mechanism; the correction and positioning mechanism, the image acquisition mechanism, and the fixed-focus adjustment mechanism are electrically connected to the controller; the controller is configured to acquire offset parameters of the thin film through the correction and positioning mechanism, and the controller is further configured to drive the fixed-focus adjustment mechanism to adjust the distance between the image acquisition mechanism and the clamping mechanism according to the offset parameters of the thin film, i.e., adjust the distance between the image acquisition mechanism and the edge of the thin film to a set distance; and the controller is further configured to control the image acquisition mechanism to acquire an image of the edge of the thin film at a fixed focus.

[0008] In one optional embodiment, the clamping mechanism includes: a connecting frame and at least four clamping rollers; each clamping roller is rotatably connected to the connecting frame, and each pair of clamping rollers is arranged in pairs to allow the film to pass between the pairs of clamping rollers; the image acquisition mechanism is arranged between the two pairs of clamping rollers to acquire an image of the edge of the film.

[0009] In one optional embodiment, the alignment and positioning mechanism includes: an alignment sensor; the alignment sensor is located on one side of the clamping mechanism, and the edge of the film passes through the alignment sensor; the alignment sensor is electrically connected to a controller; the controller is configured to acquire the offset of the film edge through the alignment sensor, i.e., acquire the offset parameter of the film.

[0010] In one alternative embodiment, the image acquisition mechanism includes: a high-speed motion camera; the high-speed motion camera is disposed toward the clamping mechanism and toward the edge of the film; the high-speed motion camera is movably connected to a focus adjustment mechanism; the high-speed motion camera is electrically connected to a controller; the controller is configured to acquire an image of the edge of the film via the high-speed motion camera.

[0011] In one optional embodiment, the focus adjustment mechanism includes: a connecting plate, a moving track, and an adjustment drive; the image acquisition mechanism is connected to the connecting plate, the connecting plate is movably connected to the moving track, and the adjustment drive is connected to the connecting plate; the controller is configured to drive the adjustment drive to move the connecting plate on the moving track to adjust the distance between the image acquisition mechanism and the edge of the film.

[0012] Secondly, embodiments of this disclosure also provide a burr detection system, which includes: a conveying device and a film edge burr image focusing detection device as described above; wherein the conveying device is adapted to convey a film, and the film passes through the clamping mechanism and the correction and positioning mechanism of the film edge burr image focusing detection device.

[0013] In one optional embodiment, the conveying device includes a winding mechanism and an unwinding mechanism; the winding mechanism and the unwinding mechanism are respectively located on both sides of the film edge burr image focusing detection device; the winding mechanism is adapted to wind up the film, and the unwinding mechanism is adapted to unwind the film.

[0014] In one alternative embodiment, the winding mechanism includes a winding seat and a winding shaft; the winding shaft is rotatably mounted on the winding seat to wind up the film.

[0015] In one alternative embodiment, the unwinding mechanism includes an unwinding base and an unwinding shaft; the unwinding shaft is rotatably mounted on the unwinding base to unwind the film.

[0016] In one alternative embodiment, the conveying device further includes an encoder; the encoder is in contact with a winding shaft in a winding mechanism or an unwinding shaft in an unwinding mechanism, and the encoder is electrically connected to a controller in a film edge burr image focusing detection device; the controller is configured to acquire film conveying parameters through the encoder.

[0017] The beneficial effects of this invention are that by setting a clamping mechanism and a correction and positioning mechanism on the film conveying path, it can avoid the problem of film shaking when the image acquisition mechanism acquires the film edge image. At the same time, the offset parameters of the film are acquired in real time, and the fixed-focus adjustment mechanism adjusts the distance between the image acquisition mechanism and the film edge in real time according to the offset parameters. This achieves fixed-focus acquisition of the film edge image by the image acquisition mechanism, which can meet the high-speed and clear acquisition requirements of the image acquisition mechanism, and has higher recognition speed and accuracy for burrs in the film edge image.

[0018] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.

[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a structural diagram of a thin film edge burr image focusing detection device provided in an embodiment of the present disclosure; Figure 2 A structural diagram of a focus adjustment mechanism provided in an embodiment of this disclosure; Figure 3 A schematic diagram of a thin film offset provided in an embodiment of this disclosure; Figure 4 This is a structural diagram of a burr detection system provided in an embodiment of the present disclosure.

[0022] In the picture: 1. Controller; 2. Clamping mechanism; 21. Connecting frame; 22. Clamping roller; 3. Correction and positioning mechanism; 31. Correction sensor; 4. Image acquisition mechanism; 41. High-speed action camera; 5. Focusing adjustment mechanism; 51. Connecting plate; 52. Moving track; 53. Adjustment drive component; 6. Thin film; 61. Edge; 7. Rewinding mechanism; 71. Rewinding base; 72. Rewinding shaft; 8. Unwinding mechanism; 81. Unwinding base; 82. Unwinding shaft; 9. Encoder; F1, conveying direction; F2, offset direction; F3, offset amount; F4, set distance. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] In this document, when it is mentioned that a first component is located on a second component, this can mean that the first component can be directly formed on the second component, or that a third component can be inserted between the first and second components. Furthermore, in the accompanying drawings, the thickness of the components may be exaggerated or reduced for the purpose of effectively describing the technical content.

[0025] In this document, when an element or layer is referred to as “located,” “joined to,” “connected to,” “attached to,” or “coupled to” another element or layer, it may be directly located, joined, connected, attached to, or coupled to the other element or layer, or there may be intermediate elements or layers present. Conversely, when an element is referred to as “directly on another element or layer,” “directly joined to,” “directly connected to,” “directly attached to,” or “directly coupled to” another element or layer, there may be no intermediate elements or layers present. Other terms used to describe relationships between elements should be interpreted in a similar manner (e.g., “between” versus “directly between,” “adjacent” versus “directly adjacent,” etc.). As used herein, the term “and / or” includes any and all combinations of one or more of the related listed items.

[0026] In this document, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as “at least one of…” modify the entire list of elements when following a list of elements, rather than individual elements in the list. For example, the expression “at least one of a, b, and c” should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0027] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be limiting. As used herein, the singular articles “a,” “an,” and “the” may also be intended to include plural forms unless otherwise clearly stated herein. The terms “comprising,” “including,” and “having” are inclusive and thus specify the presence of features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein should not be construed as requiring them to be performed in the specific order discussed or shown, unless specifically identified as such. Additional or alternative steps may be employed.

[0028] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0029] Research has found that after the battery film is cut, burrs may appear on the edge of the film due to tool wear, improper parameter settings, etc. These burrs need to be identified and removed, otherwise they may puncture the separator and cause an internal short circuit.

[0030] However, the film needs to be transported at a speed of 120 m / min during image recognition. The unwinding and rewinding equipment cannot guarantee a stable film transport at all times, causing the film to deviate during transport. The image acquisition equipment cannot quickly focus when the transport speed reaches 120 m / min, resulting in unclear images. Currently, algorithms are used to correct the images and identify burr defects, but the recognition accuracy is limited due to the blurry images themselves.

[0031] Based on the above research, this disclosure provides a fixed-focus detection device and system for thin film edge burr images, which can avoid the problem of thin film shaking when the image acquisition mechanism acquires thin film edge images, and at the same time acquire the offset parameters of the thin film in real time to achieve fixed-focus acquisition of thin film edge images. It can meet the high-speed and clear acquisition requirements of the image acquisition mechanism, and has higher recognition speed and accuracy for burrs in thin film edge images.

[0032] The shortcomings of the above solutions are the result of the utility model inventor's practice and careful research. Therefore, the discovery process of the above problems and the solutions proposed in this disclosure should be considered as contributions made by the utility model inventor to this disclosure.

[0033] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0034] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0035] like Figures 1 to 3 As shown, at least one embodiment provides a fixed-focus detection device for thin film edge burrs, comprising: a controller 1, a clamping mechanism 2, a correction and positioning mechanism 3, an image acquisition mechanism 4, and a fixed-focus adjustment mechanism 5; wherein the correction and positioning mechanism 3 is located on one side of the clamping mechanism 2, and the thin film 6 passes through the clamping mechanism 2 and the correction and positioning mechanism 3; the image acquisition mechanism 4 is disposed towards the clamping mechanism 2 and towards the edge 61 of the thin film 6; the image acquisition mechanism 4 is movably connected to the fixed-focus adjustment mechanism 5; the correction and positioning mechanism 3, the image acquisition mechanism 4, and the fixed-focus adjustment mechanism 5 are electrically connected to the controller 1; the controller 1 is configured to acquire the offset parameters of the thin film 6 through the correction and positioning mechanism 3, and the controller 1 is further configured to drive the fixed-focus adjustment mechanism 5 to adjust the distance between the image acquisition mechanism 4 and the clamping mechanism 2 according to the offset parameters of the thin film 6, that is, to adjust the distance between the image acquisition mechanism 4 and the edge 61 of the thin film 6 to a set distance; and the controller 1 is further configured to control the image acquisition mechanism 4 to acquire an image of the edge 61 of the thin film 6 with a fixed focus.

[0036] Specifically, controller 1 may be, but is not limited to, an STM32 series microcontroller.

[0037] Specifically, this thin film edge burr image fixed-focus detection device does not involve any improvement to the method by which the controller obtains the offset parameters of the thin film through the correction and positioning mechanism, and this method belongs to the prior art.

[0038] In at least one embodiment, by setting a clamping mechanism 2 and a correction and positioning mechanism 3 on the conveying path of the film 6, the problem of film 6 shaking when the image acquisition mechanism 4 acquires the image of the edge 61 of the film 6 can be avoided. At the same time, the offset parameters of the film 6 are acquired in real time, and the fixed-focus adjustment mechanism 5 adjusts the distance between the image acquisition mechanism 4 and the edge 61 of the film 6 in real time according to the offset parameters. That is, the image acquisition mechanism 4 can acquire the image of the edge 61 of the film 6 with a fixed focus, which can meet the high-speed and clear acquisition requirements of the image acquisition mechanism 4, and the recognition speed and recognition accuracy of burrs in the image of the edge 61 of the film 6 are higher.

[0039] In at least one embodiment, please refer to Figure 2 The clamping mechanism 2 includes a connecting frame 21 and at least four clamping rollers 22; each clamping roller 22 is rotatably connected to the connecting frame 21, and each pair of clamping rollers 22 is arranged in pairs so that the film 6 passes through the pair of clamping rollers 22; the image acquisition mechanism 4 is arranged between the two pairs of clamping rollers 22 to acquire an image of the edge 61 of the film 6.

[0040] Specifically, the function of the connecting frame 21 is to movably mount each clamping roller 22, so that the film 6 will not shake under the restriction of each clamping roller 22, thereby enabling the image acquisition mechanism 4 to acquire a stable image.

[0041] Specifically, the film 6 passes between a pair of clamping rollers 22 to meet the requirements of film 6 conveying.

[0042] Specifically, please refer to Figure 3 F1 is the conveying direction of film 6.

[0043] In at least one embodiment, please refer to Figure 2 The correction and positioning mechanism 3 includes: a correction sensor 31; the correction sensor 31 is located on one side of the clamping mechanism 2, and the edge 61 of the film 6 passes through the correction sensor 31; the correction sensor 31 is electrically connected to the controller 1; the controller 1 is configured to obtain the offset of the edge 61 of the film 6 through the correction sensor 31, that is, to obtain the offset parameter of the film 6.

[0044] Specifically, the correction sensor 31 may be, but is not limited to, the BST LBP-1000 type optical correction sensor 31.

[0045] Specifically, please refer to Figure 3 F2 is the offset direction of film 6.

[0046] Specifically, when the film 6 is offset, the distance between the edge 61 of the film 6 and the image acquisition mechanism 4 changes. In order to achieve the fixed-focus acquisition of the image edge 61 of the film 6 by the image acquisition mechanism 4, the fixed-focus adjustment mechanism 5 drives the image acquisition mechanism 4 to move by the offset amount, so that the distance between the image acquisition mechanism 4 and the edge 61 of the film 6 is always the set distance, thereby achieving the fixed-focus acquisition of the image edge 61 of the film 6 by the image acquisition mechanism 4.

[0047] Specifically, please refer to Figure 3 The dashed film 6 is the offset film 6, and the offset between the unoffset film 6 and the offset film 6 is F3. The distance between the unoffset film 6 and the image acquisition mechanism 4 is F4, and F4 is a set distance.

[0048] In at least one embodiment, please refer to Figure 2 The image acquisition mechanism 4 includes: a high-speed motion camera 41; the high-speed motion camera 41 is disposed toward the clamping mechanism 2 and toward the edge 61 of the film 6; the high-speed motion camera 41 is movably connected to the fixed focus adjustment mechanism 5; the high-speed motion camera 41 is electrically connected to the controller 1; the controller 1 is configured to acquire images of the edge 61 of the film 6 through the high-speed motion camera 41.

[0049] Specifically, because the high-speed action camera 41 has high precision and high lens magnification, resulting in a small depth of field, the thin film 6 will lose focus as soon as it moves. Setting up the correction sensor 31 can achieve fixed-focus image acquisition.

[0050] Specifically, the distance between the thin film 6 and the high-speed action camera 41 is maintained at a set distance, so that the high-speed action camera 41 can capture images of the edge 61 of the thin film 6 with a fixed focus, thereby improving the clarity of the images of the edge 61 of the thin film 6.

[0051] Specifically, the high-speed action camera 41 uses a 2x lens, a 3840*2160 pixel 4K array, 4.5um pixels, and a field of view accuracy of 2.2um.

[0052] Specifically, the high-speed motion camera 41 is positioned directly opposite the edge 61 of the thin film 6, so that the edge 61 of the thin film 6 is located in the center of the image, which is beneficial for identifying burrs from the image of the edge 61 of the thin film 6.

[0053] In at least one embodiment, please refer to Figure 2The fixed-focus adjustment mechanism 5 includes a connecting plate 51, a moving track 52, and an adjustment drive component 53; the image acquisition mechanism 4 is connected to the connecting plate 51, the connecting plate 51 is movably connected to the moving track 52, and the adjustment drive component 53 is connected to the connecting plate 51; the controller 1 is configured to drive the adjustment drive component 53 to move the connecting plate 51 on the moving track 52 to adjust the distance between the image acquisition mechanism 4 and the edge 61 of the film 6.

[0054] Specifically, the connecting plate 51 is used to install the image acquisition mechanism 4 and drive the image acquisition mechanism 4 to move as a whole.

[0055] Specifically, the adjustment drive unit 53 can be a servo cylinder or a servo motor.

[0056] Specifically, the drive unit 53 is adjusted to push the high-speed motion camera 41 to move on the moving track 52, that is, to move closer to or away from the edge 61 of the film 6, so as to ensure that the lens of the high-speed motion camera 41 and the edge 61 of the film 6 are kept at a constant set distance, so as to realize the high-speed motion camera 41 to capture the image of the edge 61 of the film 6 with fixed focus.

[0057] Based on the same technological concept, such as Figures 1 to 4 As shown, at least one embodiment also provides a burr detection system, which includes: a conveying device and a film edge burr image focusing detection device as described above; wherein the conveying device is adapted to convey a film 6, and the film 6 passes through the clamping mechanism 2 and the correction and positioning mechanism 3 of the film edge burr image focusing detection device.

[0058] In at least one embodiment, please refer to Figure 4 The conveying device includes a winding mechanism 7 and an unwinding mechanism 8; the winding mechanism 7 and the unwinding mechanism 8 are located on both sides of the film edge burr image focusing detection device; the winding mechanism 7 is adapted to wind up the film 6, and the unwinding mechanism 8 is adapted to unwind the film 6.

[0059] Specifically, the winding mechanism 7 and the unwinding mechanism 8 simultaneously wind and unwind the film to achieve stable delivery of the film 6.

[0060] In at least one embodiment, please refer to Figure 4 The winding mechanism 7 includes a winding base 71 and a winding shaft 72; the winding shaft 72 is rotatably mounted on the winding base 71 to wind up the film 6.

[0061] Specifically, the take-up holder 71 is equipped with a take-up motor connected to the take-up shaft 72, which drives the take-up shaft 72 to rotate.

[0062] In at least one embodiment, please refer to Figure 4The unwinding mechanism 8 includes an unwinding base 81 and an unwinding shaft 82; the unwinding shaft 82 is rotatably mounted on the unwinding base 81 to unwind the film 6.

[0063] Specifically, the unwinding base 81 is equipped with an unwinding motor connected to the unwinding shaft 82, which drives the unwinding shaft 82 to rotate.

[0064] In at least one embodiment, please refer to Figure 4 The conveying device further includes an encoder 9; the encoder 9 is in contact with the winding shaft 72 in the winding mechanism 7 or the unwinding shaft 82 in the unwinding mechanism 8, and the encoder 9 is electrically connected to the controller 1 in the film edge burr image fixed-focus detection device; the controller 1 is configured to acquire the conveying parameters of the film 6 through the encoder 9.

[0065] Specifically, the encoder 9 is used to locate the position of the thin film 6 in real time, which facilitates burr positioning.

[0066] In summary, this invention, by setting a clamping mechanism and a correction and positioning mechanism on the film conveying path, can avoid the problem of film jitter when the image acquisition mechanism acquires images of the film edge. At the same time, it can acquire the offset parameters of the film in real time, and the fixed-focus adjustment mechanism can adjust the distance between the image acquisition mechanism and the film edge in real time according to the offset parameters. This enables the image acquisition mechanism to acquire images of the film edge with a fixed focus, which can meet the high-speed and clear acquisition requirements of the image acquisition mechanism, and has higher recognition speed and accuracy for burrs in the film edge images.

[0067] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0068] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as the second element, component, region, layer, or segment.

[0069] Spatially relative terms, such as “inside,” “outside,” “below,” “below,” “down,” “above,” “up,” etc., may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. In addition to the orientations depicted in the figures, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is flipped, an element described as “below” or “below” other elements or features would be oriented as “above” other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.

[0070] In the above discussion, unless otherwise stated, when used to describe numerical values, the terms “about,” “approximately,” “basically,” etc., indicate a change of + / - 10% in that value.

[0071] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A fixed-focus detection device for thin film edge burrs, characterized in that, include: The system comprises a controller (1), a clamping mechanism (2), a correction and positioning mechanism (3), an image acquisition mechanism (4), and a focus adjustment mechanism (5); among which... The correction and positioning mechanism (3) is located on one side of the clamping mechanism (2), and the film (6) passes through the clamping mechanism (2) and the correction and positioning mechanism (3); The image acquisition mechanism (4) is positioned toward the clamping mechanism (2), and the image acquisition mechanism (4) is positioned toward the edge (61) of the film (6); The image acquisition mechanism (4) is movably connected to the focus adjustment mechanism (5); The correction and positioning mechanism (3), the image acquisition mechanism (4), and the focus adjustment mechanism (5) are electrically connected to the controller (1); The controller (1) is configured to acquire the offset parameters of the film (6) through the correction positioning mechanism (3), and the controller (1) is also configured to drive the focus adjustment mechanism (5) to adjust the distance between the image acquisition mechanism (4) and the clamping mechanism (2) according to the offset parameters of the film (6), that is, to adjust the distance between the image acquisition mechanism (4) and the edge (61) of the film (6) to a set distance; and The controller (1) is also configured to control the image acquisition mechanism (4) to capture images of the edge (61) of the thin film (6) with a fixed focus.

2. The thin film edge burr image focusing detection device as described in claim 1, characterized in that, The clamping mechanism (2) includes: a connecting frame (21) and at least four clamping rollers (22); Each of the clamping rollers (22) is rotatably connected to the connecting frame (21), and each pair of clamping rollers (22) is arranged in pairs so that the film (6) passes through the pair of clamping rollers (22); The image acquisition mechanism (4) is positioned between two pairs of clamping rollers (22) to acquire images of the edge (61) of the film (6).

3. The thin film edge burr image focusing detection device as described in claim 1, characterized in that, The correction and positioning mechanism (3) includes: a correction sensor (31); The correction sensor (31) is located on one side of the clamping mechanism (2), and the edge (61) of the film (6) passes through the correction sensor (31); The correction sensor (31) is electrically connected to the controller (1); The controller (1) is configured to obtain the offset of the edge (61) of the film (6) by means of the correction sensor (31), that is, to obtain the offset parameter of the film (6).

4. The thin film edge burr image focusing detection device as described in claim 1, characterized in that, The image acquisition mechanism (4) includes: a high-speed motion camera (41); The high-speed motion camera (41) is positioned toward the clamping mechanism (2) and is positioned toward the edge (61) of the film (6); The high-speed action camera (41) is movably connected to the fixed-focus adjustment mechanism (5); The high-speed motion camera (41) is electrically connected to the controller (1); The controller (1) is configured to acquire images of the edge (61) of the film (6) via a high-speed motion camera (41).

5. The thin film edge burr image focusing detection device as described in claim 1, characterized in that, The fixed focus adjustment mechanism (5) includes: a connecting plate (51), a moving track (52), and an adjustment drive component (53); The image acquisition mechanism (4) is connected to the connecting plate (51), the connecting plate (51) is movably connected to the moving track (52), and the adjustment drive (53) is connected to the connecting plate (51); The controller (1) is configured to drive the adjustment drive (53) to move the connecting plate (51) on the moving track (52) to adjust the distance between the image acquisition mechanism (4) and the edge (61) of the film (6).

6. A burr detection system, characterized in that, include: The conveying device and the film edge burr image focusing detection device as described in any one of claims 1-5; in The conveying device is adapted to convey the film (6), and the film (6) passes through the clamping mechanism (2) and the correction and positioning mechanism (3) of the film edge burr image focusing detection device.

7. The burr detection system as described in claim 6, characterized in that, The conveying device includes: a winding mechanism (7) and an unwinding mechanism (8); The winding mechanism (7) and the unwinding mechanism (8) are located on both sides of the film edge burr image focusing detection device. The winding mechanism (7) is adapted to wind up the film (6), and the unwinding mechanism (8) is adapted to unwind the film (6).

8. The burr detection system as described in claim 7, characterized in that, The winding mechanism (7) includes: a winding seat (71) and a winding shaft (72); The take-up shaft (72) is rotatably mounted on the take-up seat (71) to take up the film (6).

9. The burr detection system as described in claim 7, characterized in that, The unwinding mechanism (8) includes: an unwinding seat (81) and an unwinding shaft (82); The unwinding shaft (82) is rotatably mounted on the unwinding seat (81) to unwind the film (6).

10. The burr detection system as described in claim 7, characterized in that, The conveying device further includes: an encoder (9); The encoder (9) is in contact with the winding shaft (72) in the winding mechanism (7) or the unwinding shaft (82) in the unwinding mechanism (8), and the encoder (9) is electrically connected to the controller (1) in the film edge burr image fixed focus detection device. The controller (1) is configured to acquire the conveying parameters of the film (6) via the encoder (9).

Images