Transparent plastic film defect detection device

Abstract

The utility model relates to the technical field of plastic film defect detection devices, and discloses a transparent plastic film defect detection device which comprises two supporting frames. According to the transparent plastic film material defect detection device, through the arrangement of the driving mechanism and the detection mechanism, when a plastic film is detected, the plastic film is placed between an upper camera and a lower camera, then a driving motor in a motor box is started, and the driving motor drives a positive and negative lead screw at the tail end to rotate; according to the plastic film detection device, the front screw rod and the back screw rod are arranged, so that the cameras in threaded connection with the surfaces of the front screw rod and the back screw rod do relative movement, the distance between the cameras and the plastic film is adjusted according to actual conditions, it is ensured that the cameras have a better observation view angle for defects on the surface of a film material at the proper height, and then the detection accuracy is improved; the front and back surfaces of the plastic film can be simultaneously detected, the detection efficiency is improved, and the detection progress is prevented from being influenced by repeated operation.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic film defect detection devices, in particular to a transparent plastic film material defect detection device. Background Art

[0002] Transparent plastic film defect inspection equipment is a device specifically designed to detect surface or internal defects in transparent materials. This equipment typically integrates advanced imaging technology, a light source system, a transmission mechanism, and image processing and analysis software. It helps manufacturers monitor product quality in real time during the production process, ensuring that transparent films meet predetermined standards.

[0003] Existing transparent plastic film defect detection devices are not easy to detect the front and back of the plastic film at the same time, and it is not easy to adjust the distance between the detection device and the plastic film. The above functions can significantly improve the efficiency and accuracy of plastic film detection and avoid repeated operations that affect the detection progress. Utility Model Content

[0004] (1) Technical problems solved

[0005] The technical problem solved by the utility model is to provide a transparent plastic film defect detection device that is highly practical, can be easily operated, and has a relatively simple structure. It solves the problem proposed in the above background technology of simultaneously detecting the front and back sides of the plastic film and adjusting the distance between the detection device and the plastic film.

[0006] (2) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a transparent plastic film defect detection device, comprising two support frames, wherein the bottom of one of the support frames is fixedly connected to a motor box, the interior of the motor box is fixedly connected to a driving mechanism, the driving mechanism comprises a driving motor, a transmission rod, and a forward and reverse screw rod, the surface of the forward and reverse screw rod is threadedly connected to a support plate, the surface of the support plate is fixedly connected to a detection mechanism, the detection mechanism comprises a camera and an image processor, one side of the image processor is electrically connected to a PLC controller through a power cord, the middle part of the surface of the other support frame is fixedly connected to a marking mechanism, the marking mechanism comprises a hydraulic rod A, a connecting plate, a hydraulic rod B, a connecting block, a marking pen and a pin.

[0008] As a further solution of the present invention, the drive motor is fixedly connected to the inside of the motor box, the output end of the drive motor is splined with a transmission rod, and one side of the transmission rod is fixedly connected with a forward and reverse screw rod, so that the drive motor can easily drive the forward and reverse screw rod to rotate.

[0009] As a further solution of the present invention, the camera is fixedly connected to the surface of the support plate, and one side of the camera is electrically connected to an image processor via a power line, so that the camera can easily detect surface defects of the plastic film.

[0010] As a further solution of the present invention, the hydraulic rod A is fixedly connected to the middle part of the surface of the support frame, the end of the hydraulic rod A is fixedly connected to a connecting plate, the bottom of the connecting plate is fixedly connected to the hydraulic rod B, the bottom of the hydraulic rod B is fixedly connected to a connecting block, a marking pen is inserted into the interior of the connecting block, and limiting holes are provided on the surfaces of the marking pen and the connecting block, and a pin is inserted into the interior of the limiting hole, which facilitates the fixing of the marking pen.

[0011] As a further solution of the present invention, the bottom of the support frame is fixedly connected to a base, and the surface of the base is fixedly connected to four fixing frames, which are convenient for supporting the plastic film.

[0012] As a further solution of the present invention, two fixing blocks are fixedly connected to the top of the fixing frame, and positioning rollers are rotatably connected to the surfaces of the fixing blocks, which facilitate positioning of the plastic film.

[0013] As a further solution of the present invention, four threaded holes are opened on the surface of the base, and the internal threads of the threaded holes are connected with threaded columns, which are convenient for fixing the base and improving the stability of the base.

[0014] (3) Beneficial effects

[0015] The utility model provides a transparent plastic film material defect detection device, which has the following beneficial effects:

[0016] 1. The transparent plastic film defect detection device, through the setting of the driving mechanism and the detection mechanism, places the plastic film in the middle of the upper and lower cameras when inspecting the plastic film, and then starts the driving motor inside the motor box. The driving motor drives the positive and negative screws at the end to rotate, so that the cameras threaded on the surfaces of the positive and negative screws move relative to each other. The distance between the camera and the plastic film is adjusted according to actual conditions to ensure that the camera is at an appropriate height so that it can have a better observation angle for defects on the surface of the film material, thereby improving the accuracy of detection. In addition, cameras are set on the upper and lower sides of the plastic film, which can inspect the front and back sides of the plastic film at the same time, thereby improving detection efficiency and avoiding repeated operations that affect the detection progress.

[0017] 2. The transparent plastic film defect detection device, through the setting of the marking mechanism, when inspecting the plastic film, if defects are detected on the surface of the plastic film, at this time, the PLC controller controls the external conveying mechanism to stop, so that the defective area of ​​the plastic film on the positioning roller moves to the vicinity of the marking pen, and then starts the hydraulic rod A, the hydraulic rod A extends and retracts, and moves the marking pen to the defective area, and then starts the hydraulic rod B, the hydraulic rod B drives the marking pen to contact the surface of the plastic film, and finally starts the hydraulic rod A, so that the marking pen draws a horizontal line mark on the defective area, so that the staff can quickly find the defective area, which provides great convenience for subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the drive mechanism structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the marking mechanism structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the base structure of the utility model.

[0022] In the figure: 1. Support frame; 2. Motor box; 3. Driving mechanism; 301. Driving motor; 302. Transmission rod; 303. Forward and reverse screw rods; 4. Support plate; 5. Detection mechanism; 501. Camera; 502. Image processor; 6. PLC controller; 7. Marking mechanism; 701. Hydraulic rod A; 702. Connecting plate; 703. Hydraulic rod B; 704. Connecting block; 705. Marking pen; 706. Pin; 8. Base; 9. Fixing frame; 10. Fixing block; 11. Positioning roller; 12. Threaded column. DETAILED DESCRIPTION

[0023] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] See also Figures 1 to 4, The utility model provides a technical solution: a transparent plastic film material defect detection device, comprising two support frames 1, wherein the bottom of one support frame 1 is fixedly connected to a motor box 2, and the interior of the motor box 2 is fixedly connected to a driving mechanism 3, and the arrangement of the driving mechanism 3 and the detection mechanism 5 can avoid repeated operations affecting the detection progress, and the driving mechanism 3 comprises a driving motor 301, a transmission rod 302, and a positive and negative screw rod 303, and the surface of the positive and negative screw rod 303 is threadedly connected to a support plate 4, and the surface of the support plate 4 is fixedly connected to a detection mechanism 5, and the detection mechanism 5 comprises a camera 501 and an image processor 502, and one side of the image processor 502 is electrically connected to a PLC controller 6 through a power line, and a marking mechanism 7 is fixedly connected to the middle part of the surface of the other support frame 1, and the arrangement of the marking mechanism 7 makes it convenient for staff to quickly find the defective area, which provides great convenience for subsequent processing, and the marking mechanism 7 comprises a hydraulic rod A701, a connecting plate 702, a hydraulic rod B703, a connecting block 704, a marking pen 705 and a latch 706;

[0025] See also Figure 2 The drive motor 301 is fixedly connected to the inside of the motor box 2. The output end of the drive motor 301 is spline-connected to the transmission rod 302. One side of the transmission rod 302 is fixedly connected to the forward and reverse screw rods 303. The drive motor 301 is convenient for driving the forward and reverse screw rods 303 to rotate.

[0026] See also Figure 2 , the camera 501 is fixedly connected to the surface of the support plate 4, and one side of the camera 501 is electrically connected to the image processor 502 through a power line. The camera 501 is convenient for detecting defects on the surface of the plastic film;

[0027] See also Figure 3 , the hydraulic rod A701 is fixedly connected to the middle part of the surface of the support frame 1, the end of the hydraulic rod A701 is fixedly connected to the connecting plate 702, the bottom of the connecting plate 702 is fixedly connected to the hydraulic rod B703, the bottom of the hydraulic rod B703 is fixedly connected to the connecting block 704, a marking pen 705 is inserted into the interior of the connecting block 704, and the surfaces of the marking pen 705 and the connecting block 704 are provided with limiting holes, and a latch 706 is inserted into the interior of the limiting hole, which facilitates the fixing of the marking pen 705;

[0028] See also Figure 4 The bottom of the support frame 1 is fixedly connected to a base 8, and the surface of the base 8 is fixedly connected to four fixing frames 9, which are convenient for supporting the plastic film;

[0029] See also Figure 4 , the top of the fixed frame 9 is fixedly connected to two fixed blocks 10, the surface of the fixed block 10 is rotatably connected to a positioning roller 11, the positioning roller 11 is convenient for positioning the plastic film;

[0030] See also Figure 1 Four threaded holes are provided on the surface of the base 8 , and the internal threads of the threaded holes are connected with threaded columns 12 . The threaded columns 12 facilitate fixing the base 8 and improve the stability of the base 8 .

[0031] In the present invention, the working steps of the device are as follows:

[0032] Step 1: When inspecting the plastic film, the plastic film is placed in the middle of the upper and lower cameras 501, and then the driving motor 301 inside the motor box 2 is started. The driving motor 301 drives the positive and negative screw rods 303 at the end to rotate, so that the cameras 501 threadedly connected to the surfaces of the positive and negative screw rods 303 move relative to each other. The distance between the cameras 501 and the plastic film is adjusted according to actual conditions to ensure that the cameras 501 are at an appropriate height so that they can have a better viewing angle for defects on the surface of the film material, thereby improving the accuracy of the inspection. In addition, since the cameras 501 are arranged on the upper and lower sides of the plastic film, the front and back sides of the plastic film can be inspected at the same time, thereby improving the inspection efficiency.

[0033] The second step: when inspecting the plastic film, if defects are detected on the surface of the plastic film, the PLC controller 6 controls the external conveying mechanism to stop, so that the defective area of ​​the plastic film on the positioning roller 11 moves to the vicinity of the marking pen 705, and then starts the hydraulic rod A701, the hydraulic rod A701 extends and retracts, and moves the marking pen 705 to the defective area, and then starts the hydraulic rod B703, the hydraulic rod B703 drives the marking pen 705 to contact the surface of the plastic film, and finally starts the hydraulic rod A701, so that the marking pen 705 draws a horizontal line mark on the defective area.

[0034] It should be noted that the device structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system, and control system are not fully described. However, those skilled in the art can clearly understand the details of its power mechanism, power supply system, and control system on the premise that they understand the principle of the above-mentioned utility model. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be implemented by simple programming by those skilled in the art.

[0035] The standard parts used can be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transparent plastic film defect detection device, comprising two support frames (1), characterized in that: The bottom of one of the support frames (1) is fixedly connected to a motor box (2), the interior of the motor box (2) is fixedly connected to a driving mechanism (3), the driving mechanism (3) comprises a driving motor (301), a transmission rod (302), and a forward and reverse screw rod (303), the surface of the forward and reverse screw rod (303) is threadedly connected to a support plate (4), the surface of the support plate (4) is fixedly connected to a detection mechanism (5), the detection mechanism (5) comprises a camera (501) and an image processor (502), one side of the image processor (502) is electrically connected to a PLC controller (6) via a power line, and the middle part of the surface of the other support frame (1) is fixedly connected to a marking mechanism (7), the marking mechanism (7) comprises a hydraulic rod A (701), a connecting plate (702), a hydraulic rod B (703), a connecting block (704), a marking pen (705) and a latch (706).

2. The transparent plastic film defect detection device according to claim 1, characterized in that: The drive motor (301) is fixedly connected to the interior of the motor box (2); the output end of the drive motor (301) is spline-connected to a transmission rod (302); and one side of the transmission rod (302) is fixedly connected to a forward and reverse screw rod (303).

3. The transparent plastic film defect detection device according to claim 1, characterized in that: The camera (501) is fixedly connected to the surface of the support plate (4), and one side of the camera (501) is electrically connected to an image processor (502) via a power line.

4. The transparent plastic film defect detection device according to claim 1, characterized in that: The hydraulic rod A (701) is fixedly connected to the middle part of the surface of the support frame (1); the end of the hydraulic rod A (701) is fixedly connected to a connecting plate (702); the bottom of the connecting plate (702) is fixedly connected to a hydraulic rod B (703); the bottom of the hydraulic rod B (703) is fixedly connected to a connecting block (704); a marking pen (705) is inserted into the interior of the connecting block (704); the surfaces of the marking pen (705) and the connecting block (704) are both provided with a limiting hole, and a latch (706) is inserted into the interior of the limiting hole.

5. The transparent plastic film defect detection device according to claim 1, characterized in that: The bottom of the support frame (1) is fixedly connected to a base (8), and the surface of the base (8) is fixedly connected to four fixing frames (9).

6. The transparent plastic film defect detection device according to claim 5, characterized in that: Two fixed blocks (10) are fixedly connected to the top of the fixed frame (9), and the surfaces of the fixed blocks (10) are rotatably connected to positioning rollers (11).

7. The transparent plastic film defect detection device according to claim 5, characterized in that: Four threaded holes are provided on the surface of the base (8), and threaded columns (12) are connected to the inner threads of the threaded holes.

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