Visual inspection device for plastic appearance stains

By designing a visual inspection device for plastic surface stains, using a high-resolution camera and transmission components to drive the turntable to rotate, the problem of blind spots in the inspection of the upper and lower surfaces of plastic products is solved, achieving comprehensive inspection and efficient identification of defects, stains, and cracks.

CN224189902UActive Publication Date: 2026-05-01SHANDONG YUYAN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG YUYAN INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-04-29
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In existing technologies, the upper and lower surfaces of plastic products cannot be fully inspected on a turntable, resulting in blind spots and making it impossible to effectively identify defects, stains, and cracks.

Method used

Design a visual inspection device for plastic surface stains, employing a carrier component and a detection component, including a high-resolution camera, a display, a controller, and an alarm. A transmission component drives a turntable to rotate, enabling comprehensive inspection of the top, bottom, and sides of plastic products.

Benefits of technology

It enables comprehensive inspection of the top, bottom, and sides of plastic products, improving the comprehensiveness and efficiency of inspection, and can promptly identify defects, stains, and cracks and issue alarms.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a plastic appearance stain visual inspection device, which belongs to the technical field of stain visual inspection and comprises a fixed seat, a mounting groove is formed in the center of the upper surface of the fixed seat, a bearing component for bearing plastic to be detected is mounted on the mounting groove, and a visual inspection component is mounted in the mounting groove; by arranging the bearing assembly and the detection assembly, when a plastic product is detected, the plastic product needing to be detected is placed on a rotary table, a high-resolution camera is started, the high-resolution camera shoots the upper surface, the lower surface and the side face of the plastic product needing to be detected, and a driving assembly is matched to drive a gear ring to rotate and drive the rotary table to rotate; the comprehensiveness of shooting the side surface of the plastic product by the high-resolution camera is ensured, and the comprehensiveness of detection is ensured.
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Description

A visual inspection device for plastic surface stains Technical Field

[0001] This utility model relates to the field of visual inspection technology for stains, and in particular to a visual inspection device for stains on the appearance of plastics. Background Technology

[0002] Automated visual inspection is a highly efficient technology used to detect appearance defects in industrial products such as motors. This technology uses high-resolution cameras and advanced image processing algorithms to identify defects, stains, cracks and other problems on products.

[0003] After plastic products are manufactured, their outer surface needs to be inspected for defects to ensure their aesthetic appeal. Current technologies typically employ automated vision inspection devices for this purpose. During this process, the plastic product is placed on a turntable, which rotates it. A high-precision camera captures images of the product's sides, and the images are processed using advanced image processing algorithms to identify defects, stains, cracks, and other issues. However, this method cannot inspect the top and bottom surfaces of the plastic product, especially since areas in contact with the turntable have blind spots and cannot be detected. Therefore, a new visual inspection device for plastic surface defects is designed to address these issues. Summary of the Invention

[0004] The purpose of this invention is to solve the problems existing in the background art mentioned above, and to propose a visual inspection device for plastic appearance stains.

[0005] The technical problem to be solved by this utility model is to provide a visual inspection device for plastic appearance stains, which solves the problem that the prior art cannot perform comprehensive inspection of plastic products.

[0006] This utility model provides a visual inspection device for plastic appearance stains, including a fixed base, an installation groove is provided in the center of the upper surface of the fixed base, a support component for supporting the plastic to be inspected is installed on the installation groove, and a visual inspection component is installed in the installation groove.

[0007] The bearing assembly includes a mounting plate installed inside and outside the mounting groove. A pin is rotatably mounted on the inner side of the upper surface of the mounting plate. A turntable is fixedly mounted on the pin. A blocking ring is fixedly mounted on the outer side of the upper surface of the turntable. A toothed ring is fixedly mounted on the side of the turntable. A transmission assembly for driving the toothed ring to rotate is mounted on the outer side of the upper surface of the fixed base.

[0008] The detection assembly includes an inverted concave frame, a high-resolution camera, a display, a controller, and an alarm. The inverted concave frame is fixedly installed inside the mounting slot. Multiple high-resolution cameras are mounted on the inner surface of the inverted concave frame. The display is fixedly installed on the outer side of the upper surface of the inverted concave frame. The controller is embedded in the center of the upper surface of the inverted concave frame. The alarm is fixedly installed on the inner side of the upper surface of the inverted concave frame. An image processing module is electrically connected to the display.

[0009] Preferably, the mounting plate, pin, turntable, and retaining ring are all made of transparent plastic.

[0010] Preferably, the turntable extends into the inverted concave frame, and the outer end of the inverted concave frame is on the same vertical plane as the outer side of the mounting groove.

[0011] Preferably, the high-resolution camera is electrically connected to the display, and the controller is electrically connected to both the display and the alarm.

[0012] Preferably, the transmission assembly includes a forward and reverse motor, which is mounted on the left end of the upper surface of the fixed base via a mounting plate. A lead screw is installed at the output end of the forward and reverse motor, and a rack is threaded onto the lead screw.

[0013] Preferably, the bottom surface of the rack is in close contact with the upper surface of the fixing seat, and the rack and the toothed ring mesh with each other.

[0014] Preferably, the length of the rack is not less than the circumference of the toothed ring.

[0015] Preferably, a track is fixedly provided on the outer side of the upper surface of the fixed base, and a groove matching the track is opened on the bottom surface of the rack, with the track passing through the groove.

[0016] Compared with the prior art, this utility model has at least the following beneficial effects:

[0017] 1. This utility model, by setting up a bearing component and a detection component, allows for the detection of plastic products. The plastic product to be detected is placed on a turntable, and a high-resolution camera is turned on. The high-resolution camera captures images of the upper, lower, and side surfaces of the plastic product. In conjunction with the transmission component, the gear ring rotates, which in turn rotates the turntable, ensuring the comprehensiveness of the high-resolution camera's side images of the plastic product and guaranteeing the comprehensiveness of the detection.

[0018] 2. The pattern captured by the high-resolution camera of this utility model is displayed on the monitor, and the advanced image processing algorithm of the image processing module in the monitor is used to identify defects, stains and cracks on the product. When defects, stains and cracks are detected, the controller controls the alarm to sound, realizing the effect of plastic product detection, increasing work efficiency and ensuring the comprehensiveness of the detection.

[0019] 3. This utility model is equipped with a transmission component. When the forward and reverse motor is turned on, it drives the lead screw to rotate. The lead screw drives the rack to move left and right. The rack drives the gear ring to rotate. The gear ring drives the turntable to rotate, thereby achieving the effect of rotating the plastic products placed on the turntable. 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. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0021] Figure 1 is a three-dimensional schematic diagram of the overall structure of this utility model.

[0022] Figure 2 is a three-dimensional schematic diagram of a partial structure of this utility model.

[0023] Figure 3 is an enlarged structural schematic diagram of the present invention at point A in Figure 1.

[0024] Figure 4 is a schematic cross-sectional view of the detection component of this utility model.

[0025] [Figure Labels]

[0026] 1. Fixed base; 101. Mounting slot; 2. Mounting plate; 201. Pin; 3. Turntable; 301. Blocking ring; 4. Gear ring; 5. Inverted concave frame; 501. High-resolution camera; 6. Display; 7. Controller; 8. Alarm; 9. Forward and reverse motor; 10. Lead screw; 11. Rack; 12. Track. Detailed Implementation

[0027] Example:

[0028] As shown in Figures 1-4, an embodiment of this utility model provides a visual inspection device for plastic appearance stains, including a fixed base 1, an installation groove 101 is provided in the center of the upper surface of the fixed base 1, a support component for supporting the plastic to be inspected is installed on the installation groove 101, and a visual inspection component is installed in the installation groove 101.

[0029] The load-bearing component includes a mounting plate 2 installed inside and outside the mounting groove 101. A pin 201 is rotatably mounted on the inner side of the upper surface of the mounting plate 2. A turntable 3 is fixedly mounted on the pin 201. A blocking ring 301 is fixedly mounted on the outer side of the upper surface of the turntable 3. A toothed ring 4 is fixedly mounted on the side of the turntable 3. A transmission component for driving the toothed ring 4 to rotate is mounted on the outer side of the upper surface of the fixed base 1.

[0030] The detection assembly includes an inverted concave frame 5, a high-resolution camera 501, a display 6, a controller 7, and an alarm 8. The inverted concave frame 5 is fixedly installed inside the mounting slot 101. Multiple high-resolution cameras 501 are installed on the inner surface of the inverted concave frame 5. The display 6 is fixedly installed on the outer side of the upper surface of the inverted concave frame 5. The controller 7 is embedded in the center of the upper surface of the inverted concave frame 5. The alarm 8 is fixedly installed on the inner side of the upper surface of the inverted concave frame 5. An image processing module is electrically connected to the display 6.

[0031] In this embodiment, the mounting plate 2, pin 201, turntable 3, and blocking ring 301 are all made of transparent plastic, which allows the high-resolution camera 501 to take pictures of the bottom surface and sides of the plastic product through the mounting plate 2, pin 201, turntable 3, and blocking ring 301, ensuring comprehensive shooting.

[0032] In this embodiment, the turntable 3 extends into the inverted concave frame 5, and the outer end of the inverted concave frame 5 is on the same vertical plane as the outer side of the mounting groove 101, ensuring the comprehensiveness of the cameras inside the inverted concave frame 5 when taking pictures of the upper and lower surfaces of the plastic product.

[0033] By setting up a bearing component and a detection component, when inspecting plastic products, the plastic product to be inspected is placed on the turntable 3, and the high-resolution camera 501 is turned on. The high-resolution camera 501 takes pictures of the upper and lower surfaces and the sides of the plastic product to be inspected. In conjunction with the transmission component, the gear ring 4 is rotated, which in turn rotates the turntable 3, ensuring that the high-resolution camera 501 can take comprehensive pictures of the side of the plastic product, thus ensuring comprehensive inspection.

[0034] In this embodiment, the high-resolution camera 501 is electrically connected to the display 6, and the controller 7 is electrically connected to the display 6 and the alarm 8.

[0035] The pattern captured by the high-resolution camera 501 is displayed on the monitor 6, and the advanced image processing algorithm in the image processing module of the monitor 6 is used to identify defects, stains and cracks on the product. When defects, stains and cracks are detected, the controller 7 controls the alarm 8 to sound an alarm, thus achieving the effect of plastic product detection, increasing work efficiency and ensuring the comprehensiveness of the detection.

[0036] In this embodiment, the transmission assembly includes a forward and reverse motor 9. The forward and reverse motor 9 is mounted on the left end of the upper surface of the fixed base 1 via a mounting plate. A lead screw 10 is installed at the output end of the forward and reverse motor 9, and a rack 11 is threaded onto the lead screw 10.

[0037] In this embodiment, the bottom surface of the rack 11 is in close contact with the upper surface of the fixed base 1, and the rack 11 and the toothed ring 4 mesh with each other, so that the rack 11 can drive the toothed ring 4 to rotate.

[0038] In this embodiment, the length of the rack 11 is not less than the circumference of the toothed ring 4, ensuring that the rack 11 drives the toothed ring 4 to rotate 360° back and forth.

[0039] In this embodiment, a track 12 is fixedly provided on the outer side of the upper surface of the fixed base 1, and a groove matching the track 12 is opened on the bottom surface of the rack 11, and the track 12 passes through the groove to ensure the stability of the rack 11 when it moves left and right.

[0040] With the transmission components in place, the forward and reverse motor 9 is turned on to drive the lead screw 10 to rotate. The lead screw 10 drives the rack 11 to move left and right. The rack 11 drives the gear ring 4 to rotate. The gear ring 4 drives the turntable 3 to rotate, thus achieving the effect of rotating the plastic products placed on the turntable 3.

[0041] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of this utility model, and these should also be considered within the scope of protection of this utility model. These will not affect the implementation effect of this utility model or the practicality of the patent.

Claims

1. A visual inspection device for plastic surface stains, characterized in that: The device includes a fixed base (1), on which a mounting groove (101) is provided in the center of its upper surface. A bearing assembly for bearing the plastic to be inspected is mounted on the mounting groove (101), and a visual inspection assembly is installed inside the mounting groove (101). The bearing assembly includes a mounting plate (2) mounted on the inner side of the mounting groove (101). A pin (201) is rotatably mounted on the inner side of the upper surface of the mounting plate (2). A turntable (3) is fixedly mounted on the pin (201). A blocking ring (301) is fixedly mounted on the outer side of the upper surface of the turntable (3), and a toothed ring (4) is fixedly mounted on the side of the turntable (3). The upper surface of the fixed base (1) is... A transmission assembly for driving the gear ring (4) to rotate is installed on the side; the detection assembly includes an inverted concave frame (5), a high-resolution camera (501), a display (6), a controller (7), and an alarm (8). The inverted concave frame (5) is fixedly installed inside the mounting groove (101). Multiple high-resolution cameras (501) are installed on the inner surface of the inverted concave frame (5). The display (6) is fixedly installed on the outer side of the upper surface of the inverted concave frame (5). The controller (7) is embedded in the center of the upper surface of the inverted concave frame (5). The alarm (8) is fixedly installed on the inner side of the upper surface of the inverted concave frame (5). An image processing module is electrically connected inside the display (6).

2. The visual inspection device for plastic surface stains according to claim 1, characterized in that: The mounting plate (2), pin (201), turntable (3) and retaining ring (301) are all made of transparent plastic.

3. The visual inspection device for plastic surface stains according to claim 2, characterized in that: The turntable (3) extends into the inverted concave frame (5), and the outer end of the inverted concave frame (5) is on the same vertical plane as the outer side of the mounting groove (101).

4. The visual inspection device for plastic surface stains according to claim 3, characterized in that: The high-resolution camera (501) is electrically connected to the display (6), and the controller (7) is electrically connected to the display (6) and the alarm (8).

5. The visual inspection device for plastic surface stains according to claim 1, characterized in that: The transmission assembly includes a forward and reverse motor (9), which is mounted on the left end of the upper surface of the mounting base (1) via a mounting plate. A lead screw (10) is installed at the output end of the forward and reverse motor (9), and a rack (11) is threaded onto the lead screw (10).

6. The visual inspection device for plastic surface stains according to claim 5, characterized in that: The bottom surface of the rack (11) is in close contact with the upper surface of the fixed seat (1), and the rack (11) and the toothed ring (4) mesh with each other.

7. The visual inspection device for plastic surface stains according to claim 6, characterized in that: The length of the rack (11) is not less than the circumference of the toothed ring (4).

8. The visual inspection device for plastic surface stains according to claim 5, characterized in that: A track (12) is fixedly installed on the outer side of the upper surface of the fixed base (1), and a groove matching the track (12) is opened on the bottom surface of the rack (11), and the track (12) passes through the groove.