Film surface defect detection equipment

Abstract

The utility model discloses film surface defect detection equipment and relates to the technical field of display devices. The film slitting device comprises a working frame, a conveying assembly for conveying a film is arranged in the working frame, the conveying assembly comprises an unwinding roller, a first guide roller, a second guide roller and a winding roller, a slitting structure for slitting the film is arranged in the working frame, and the slitting structure comprises a slitting roller. And the bottom and the top of the working frame are respectively provided with a tension degree automatic adjusting component for automatically adjusting the tension degree of the film. According to the utility model, the tension degree of the film during conveying can be automatically adjusted through the arranged tension degree automatic adjusting component, so that the film can be stably conveyed, the surface of the film can be flat, the influence on the acquisition of surface data is avoided, the condition that the detection result is influenced by missing detection and false detection can be avoided, and the detection efficiency is improved. And the detection precision and the uniformity of a detection area are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to display device technical field, concretely relates to a film surface defect detection equipment. BACKGROUND

[0002] After the film is produced, the film surface needs to be detected, and the film surface defect detection equipment detects the film in the following steps: the film roll is sleeved on the release roller, and the other end is fixed on the winding roller. In the process of rewinding the film, the detection assembly above the film completes the defect detection.

[0003] Because the film needs to be pulled and moved by the winding roller during conveying, if the tension is not enough during conveying, it will shake and relax or deviate, which not only affects data collection due to surface unevenness caused by shaking and relaxing, but also reduces the accuracy of surface defect detection, and the deviation during conveying also easily causes missed detection and false detection, and the technical problem of inaccurate detection position.

[0004] Therefore, a film surface defect detection equipment is provided. UTILITY MODEL CONTENTS

[0005] To solve the problems in the prior art, the utility model provides a film surface defect detection equipment.

[0006] The utility model discloses in order to realize the above-mentioned purpose specifically adopts the following technical scheme:

[0007] A film surface defect detection equipment, comprising a working frame, the working frame is provided with a conveying assembly for conveying the film, the conveying assembly comprises a unwinding roller, a first guide roller, a second guide roller and a winding roller, the working frame is provided with a slitting structure for slitting the film, the slitting structure comprises a slitting roller, the bottom and top of the working frame are respectively provided with a tension degree automatic adjusting member for automatically adjusting the tension degree of the film, the tension degree automatic adjusting member comprises a damping telescopic rod and a spring, the top of the first guide roller and the bottom of the second guide roller are provided with a detection member for detecting the surface defect of the film, the detection member comprises a clean room, an LED illuminating lamp plate, an alarm and a detection camera.

[0008] Further, the unwinding roller, the first guide roller, the second guide roller and the winding roller are rotationally arranged on the corresponding brackets, and the winding roller is driven to rotate by the driving motor, thereby driving the film to move forward.

[0009] Further, the slitting roller is uniformly provided with a plurality of slitting blades.

[0010] Further, the damping telescopic rod in the tension automatic adjusting member connected with the first guide roller is arranged at the inner bottom end of the working frame, and the damping telescopic rod in the tension automatic adjusting member connected with the second guide roller is arranged at the inner top end of the working frame.

[0011] Further, the LED illuminating lamp plate is arranged at the opening end of the clean room, the detection camera is arranged at the inner part of the clean room, and the alarm is arranged at the front side of the clean room.

[0012] Further, the driving motor, the LED illuminating lamp plate, the alarm and the detection camera are electrically connected with the external controller.

[0013] The beneficial effects of the present application are as follows:

[0014] The tension automatic adjusting member can automatically adjust the tension of the film during conveying, so that the film can be stably conveyed, the surface of the film is flat, the collection of the surface data is not affected, the missed detection and the false detection are avoided, and the detection accuracy and the uniformity of the detection area are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a three-dimensional structure schematic view of the present application;

[0016] Figure 2 is a front view of the present application;

[0017] Figure 3 is a tension automatic adjusting member structure schematic view of the present application;

[0018] Figure 4 is a bottom clean room view of the present application.

[0019] Reference signs: 1, working frame; 2, unwinding roller; 3, first guide roller; 4, second guide roller; 5, slitting roller; 6, winding roller; 7, tension automatic adjusting member; 701, damping telescopic rod; 702, spring; 8, clean room; 9, LED illuminating lamp plate; 10, alarm; 11, detection camera. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of the present application.

[0022] It should be noted that similar reference numbers and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. In addition, the terms "first", "second", and the like are used only to distinguish descriptions, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", and the like are based on the directions or position relationships shown in the drawings, or the directions or position relationships in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the present application.

[0024] As Figures 1-4As shown in the figure, a film surface defect detection device, including a working frame 1, the working frame 1 is provided with a conveying assembly for conveying the film, the conveying assembly includes a unwinding roll 2, a first guide roller 3, a second guide roller 4 and a winding roller 6, the working frame 1 is provided with a slitting structure for slitting the film, the slitting structure includes a slitting roller 5, the bottom and top of the working frame 1 are respectively provided with a tension automatic adjusting member 7 for automatically adjusting the tension of the film, the tension automatic adjusting member 7 includes a damping telescopic rod 701 and a spring 702, the top of the first guide roller 3 and the bottom of the second guide roller 4 are provided with a detection member for detecting the surface defects of the film, the detection member includes a clean room 8, an LED illuminating lamp plate 9, an alarm 10 and a detection camera 11; Specifically, the film is wound on the unwinding roll 2, the first guide roller 3, the second guide roller 4 and the winding roller 6, the winding roller 6 is driven to rotate by a driving motor, which can drive the film winding and thus pull it to move forward to realize the conveying, in the process of conveying, it will pass through the slitting roller 5 before winding to realize the slitting processing, in the process of conveying, the film is located above and below the first guide roller 3 and the second guide roller 4 respectively, the detection member above the first guide roller 3 can detect the surface defects of the front surface of the film, and the detection member below the second guide roller 4 can detect the surface defects of the back surface of the film, so that both sides of the film can be detected during detection, under the action of the tension automatic adjusting member 7, the film can be in a tight state during conveying, which can avoid the influence of the surface defect detection caused by the shaking or deviation in the conveying process due to the relaxation, since the film in contact with the first guide roller 3 and the second guide roller 4 is supported during detection, the surface of the film will be more flat, the detection member is arranged at the position of the first guide roller 3 and the second guide roller 4, which can improve the image quality and improve the accuracy of defect detection.

[0025] As shown in the figure, Figures 1-2 The unwinding roll 2, the first guide roller 3, the second guide roller 4 and the winding roller 6 are all rotatably arranged on the corresponding supports, and the winding roller 6 is driven to rotate by a driving motor to pull the film to move forward.

[0026] As shown in the figure, Figure 1 The slitting roller 5 is uniformly provided with a plurality of slitting blades; specifically, when the film is conveyed, it passes through the winding roller 6 above the slitting roller 5, and due to the winding effect of the winding roller 6, it can be slit, according to the specific engineering requirements, the slitting roller 5 can be fixed, which is not limited here.

[0027] As shown in the figure, Figures 1-3As shown, the damping telescopic rod 701 in the tension automatic adjusting member 7 connected with the first guide roller 3 is arranged at the inner bottom end of the working frame 1, and the damping telescopic rod 701 in the tension automatic adjusting member 7 connected with the second guide roller 4 is arranged at the inner top end of the working frame 1; specifically, the spring 702 is sleeved on the damping telescopic rod 701, and through the pre-tightening force of the spring 702 and the friction characteristics of the damping telescopic rod 701, the external impact can be effectively resisted, thereby ensuring the stability of the film conveying and the effective adjustment of the tension.

[0028] As shown in the figure, Figure 4 The LED illuminating lamp plate 9 is arranged at the opening end of the clean room 8, the detection camera 11 is arranged inside the clean room 8, and the alarm 10 is arranged at the front side of the clean room 8; specifically, the LED illuminating lamp plate 9 can provide the role of illumination, improve the clarity of the detection picture of the detection camera 11, and when defects such as scratches are detected on the surface of the film, the corresponding alarm 10 at the position will ring, and the driving motor will stop working at the same time, so as to position the position with defects and timely process, so as to achieve timely loss stop and avoid a large number of defective products.

[0029] As shown in the figure, Figures 1-4 The driving motor, the LED illuminating lamp plate 9, the alarm 10 and the detection camera 11 are all electrically connected with the external controller; specifically, the driving motor, the LED illuminating lamp plate 9, the alarm 10 and the detection camera 11 are all common elements in the film surface defect detection equipment, which are prior art, and the principles, structures and models thereof will not be described in detail.

[0030] In summary: the winding roller 6 is driven to rotate by the driving motor, which can drive the film winding and thus pull the film to move forward to realize the conveying thereof; in the conveying process, the film will pass through the slitting roller 5 before winding to realize the slitting processing thereof; in the conveying process, the film is located above and below the first guide roller 3 and the second guide roller 4 respectively, the detection member above the first guide roller 3 can detect the surface defects of the front surface of the film, and the detection member below the second guide roller 4 can detect the surface defects of the back surface of the film, so that both surfaces of the film can be detected during the detection; in the conveying process, the film can be kept in a tight state under the action of the tension automatic adjusting member 7, so as to avoid the influence of the shaking or deviation in the conveying process due to the relaxation on the surface defect detection thereof; since the film in contact with the first guide roller 3 and the second guide roller 4 is supported during the detection, the surface thereof will be more flat, the detection member is arranged at the positions of the first guide roller 3 and the second guide roller 4, which can improve the image quality and improve the accuracy of defect detection.

[0031] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A thin film surface defect detection apparatus characterized by comprising: The utility model provides a kind of film cutting device, including work frame (1), the conveying assembly for conveying film is arranged in the work frame (1), the conveying assembly includes unwinding roller (2), first guide roller (3), second guide roller (4) and winding roller (6), the slitting structure for carrying out slitting process to film is arranged in the work frame (1), the slitting structure includes slitting roller (5), the bottom and top of the work frame (1) are provided with the tension automatic adjusting member (7) for the automatic adjustment of film tension, the tension automatic adjusting member (7) includes damping telescopic rod (701) and spring (702), the top of the first guide roller (3) and the bottom of the second guide roller (4) are provided with the detection member for detecting film surface defect, the detection member includes clean room (8), LED illuminating lamp plate (9), alarm (10) and detection camera (11).

2. The film surface defect inspection apparatus according to claim 1, wherein The unwinding roller (2), the first guide roller (3), the second guide roller (4) and the winding roller (6) are rotatably arranged on the corresponding support, and the winding roller (6) is driven to rotate by a driving motor, so as to drive the film to move forward.

3. The apparatus for detecting defects on a film surface according to claim 1, wherein The slitting roller (5) is uniformly provided with a plurality of slitting blades.

4. The apparatus for detecting defects on a film surface according to claim 1, wherein The damping telescopic rod (701) of the tension automatic adjusting member (7) connected with the first guide roller (3) is arranged at the inner bottom end of the work frame (1), and the damping telescopic rod (701) of the tension automatic adjusting member (7) connected with the second guide roller (4) is arranged at the inner top end of the work frame (1).

5. The apparatus for detecting defects on a film surface according to claim 1, wherein The LED illuminating lamp plate (9) is arranged at the opening end of the clean room (8), the detection camera (11) is arranged in the clean room (8), and the alarm (10) is arranged at the front side of the clean room (8).

6. The apparatus for detecting defects on a film surface according to claim 2, wherein The driving motor, the LED illuminating lamp plate (9), the alarm (10) and the detection camera (11) are electrically connected with an external controller.

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