Appearance detection system for smoke box skin

By designing an appearance inspection system for cigarette box covers, which uses robotic arms and vision acquisition devices for automatic flipping and image acquisition, the system solves the inconvenience of manual inspection of cigarette box covers, achieves comprehensive intelligent inspection, and improves production efficiency.

CN223637410UActive Publication Date: 2025-12-05CHINA TOBACCO HENAN IND CO LTD
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Patent Information

Application Number
CN202422922034.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-05
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The current method of manually inspecting cigarette boxes for damage before packaging is inconvenient and labor-intensive. It cannot effectively identify damaged cigarette box covers, which may lead to damage to cigarette packs and economic losses.

Method used

Design an appearance inspection system for cigarette box covers, which uses a robotic arm, a material level detection device, a first vision acquisition device, and a second vision acquisition device, combined with an inspection platform, to realize automatic flipping and image acquisition of cigarette box covers, and to perform intelligent inspection using an inspection controller and an image recognition processor.

Benefits of technology

It improves the convenience and intelligence of cigarette box inspection, realizes all-round automatic inspection, reduces manual intervention, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an appearance detection system for a cigarette box skin. The appearance detection system comprises a manipulator, a material level detection device, a first visual acquisition device, a second visual acquisition device and a detection stand, the detection stand is of a 7-shaped folded plate structure, the detection stand is arranged on one side of the tobacco box leather material table, and a horizontal top panel of the detection stand is arranged over the tobacco box leather material table. The material level detection device is arranged at the set position of the cigarette box skin material table and is in signal connection with the mechanical arm, and the mechanical arm lifts the cigarette box skin and then turns over the cigarette box skin when the cigarette box skin reaches the set position, so that the back face of the cigarette box skin faces the vertical panel in the forward direction. And the first visual acquisition device is arranged on the horizontal top panel and is used for performing image acquisition on the front surface of the cigarette box skin placed on the cigarette box skin material table. And the second visual acquisition device is arranged on the vertical panel and is used for carrying out image acquisition on the back surface of the cigarette box skin overturned by the manipulator. According to the utility model, the convenience and intelligence of smoke box skin detection can be improved, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of appearance detection of cigarette case, more particularly to an appearance detection system for cigarette case skin. BACKGROUND

[0002] The cigarette case plays a role of containing and protecting cigarette cartons, identifying cigarette categories and facilitating circulation. Cigarette factories often put baled cigarette case skins into a case sealing machine by manual operation for carton cigarette packaging. In this process, manual detection of the cigarette case skin is required to avoid damaged cigarette cases from entering the circulation market, causing cigarette quality problems. At the same time, damaged cigarette case skins cannot be well identified, which may cause internal cigarette damage and economic losses. Therefore, how to conveniently and intelligently detect the appearance of the cigarette case skin is of great significance. SUMMARY

[0003] The utility model provides a kind of appearance detection system for cigarette case skin, solve the existing cigarette case needs manual detection damage before packaging, there is not convenient and labor problem, can improve the convenience and intelligence of cigarette case skin detection, improve production efficiency.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] An appearance detection system for cigarette case skin, comprising: a mechanical hand, a material level detection device, a first visual acquisition device, a second visual acquisition device and a detection rack;

[0006] The detection rack is in the shape of a 7-shaped folding plate structure, the detection rack is arranged on one side of the cigarette case skin material table, the horizontal top panel of the detection rack is arranged directly above the cigarette case skin material table, and the vertical panel of the detection rack is arranged perpendicularly to the cigarette case skin material table.

[0007] The material level detection device is arranged at a specified position of the cigarette case skin material table and is signal-connected with the mechanical hand. When the cigarette case skin reaches the specified position, the mechanical hand lifts the cigarette case skin and turns it over, so that the back of the cigarette case skin faces the vertical panel directly.

[0008] The first visual acquisition device is arranged on the horizontal top panel and is used for image acquisition of the front of the cigarette case skin placed on the cigarette case skin material table.

[0009] The second visual acquisition device is arranged on the vertical panel and is used for image acquisition of the back of the cigarette case skin turned over by the mechanical hand.

[0010] Preferably, it further comprises a detection controller.

[0011] The detection controller is respectively connected with the material level detection device, the mechanical arm, the first visual acquisition device and the second visual acquisition device.

[0012] The detection controller controls the first visual acquisition device to take a photo of the front of the cigarette case when the cigarette case reaches the set position, controls the mechanical arm to flip the cigarette case after the photo is taken, and controls the second visual acquisition device to take a photo of the back of the cigarette case after the cigarette case is flipped into position.

[0013] Preferably, the first visual acquisition device and the second visual acquisition device each include a camera and a fill light.

[0014] The detection controller is respectively connected with the camera and the fill light, and controls the camera to take a photo of the cigarette case when the cigarette case is in the designated position, and controls the fill light during the photo shooting.

[0015] Preferably, it further includes an upper light shield plate.

[0016] Two upper light shield plates are movably and symmetrically arranged on both sides of the horizontal top panel to shield the light source of the fill light from scattering outward.

[0017] Preferably, it further includes a lower light shield plate.

[0018] Two lower light shield plates are movably and symmetrically arranged on both sides of the vertical panel to shield the light source of the fill light from scattering outward.

[0019] Preferably, it further includes a display screen.

[0020] The display screen is connected with the detection controller and is used to display the front image of the cigarette case and the back image of the cigarette case.

[0021] Preferably, the detection controller is provided with an image recognition processor, which is used to compare the collected front image of the cigarette case and the back image of the cigarette case with the pre-stored standard image to determine whether the cigarette case has defects.

[0022] The detection controller controls the mechanical arm to pick up the corresponding cigarette case into the manual inspection area when the cigarette case has defects.

[0023] Preferably, the mechanical arm includes a mechanical rotating arm and a stepping motor.

[0024] The stepping motor is drivingly connected with the mechanical rotating arm to drive the mechanical rotating arm to rotate to flip the picked-up cigarette case.

[0025] Preferably, the mechanical hand further comprises a mechanical suction gripper, a suction gripper coupling, a solenoid valve and an air pipe.

[0026] One end of the suction gripper coupling is connected with the end of the mechanical rotating arm, and the other end of the suction gripper coupling is connected with the mechanical suction gripper, the mechanical suction gripper is connected with a compressed air source through the air pipe, the air pipe is provided with the solenoid valve, the solenoid valve controls the on-off of the negative pressure air flow of the air pipe, so that the mechanical suction gripper adsorbs or releases the cigarette case skin.

[0027] Preferably, the material level detection device at least comprises any one of the following: a photoelectric switch, a limit switch and a contact switch.

[0028] The utility model provides a kind of appearance detection system for cigarette case skin, first vision acquisition device and second vision acquisition device are arranged on the detection rack of 7-shaped, to collect in the front image and back image of cigarette case skin, wherein cigarette case skin is turned over by mechanical hand, solve the problem that existing cigarette case needs artificial detection breakage before packaging, there is inconvenient and cost labor problem, can improve the convenience and intelligence of cigarette case skin detection, improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the specific embodiments of the utility model, the following will be needed to use the drawings in the embodiment briefly introduced.

[0030] Figure 1 It is a kind of schematic diagram for the appearance detection system of cigarette case skin provided by the utility model.

[0031] Figure 2 It is a kind of structure schematic diagram for the appearance detection system of cigarette case skin provided by the utility model embodiment. DETAILED DESCRIPTION

[0032] In order to make the personnel in the technical field better understand the scheme of the utility model embodiment, the following will be further detailed to the utility model embodiment in conjunction with the drawings and implementation.

[0033] In view of the problem that current cigarette case needs artificial detection breakage before packaging and is inconvenient and cost labor, the utility model provides a kind of appearance detection system for cigarette case skin, solve the problem that existing cigarette case needs artificial detection breakage before packaging, there is inconvenient and cost labor problem, can improve the convenience and intelligence of cigarette case skin detection, improve production efficiency.

[0034] As Figure 1 And Figure 2As shown, an appearance detection system for cigarette case skin includes a mechanical hand 1, a material level detection device, a first visual acquisition device, a second visual acquisition device and a detection rack. The detection rack is in a 7-shaped folding plate structure, the detection rack is arranged on one side of the cigarette case skin material table 5, the horizontal top panel 21 of the detection rack is arranged directly above the cigarette case skin material table 5, and the vertical panel 22 of the detection rack is arranged vertically with the cigarette case skin material table 5. The material level detection device is arranged at a specified position of the cigarette case skin material table and is signal connected with the mechanical hand 1, the mechanical hand 1 turns over the cigarette case skin after lifting it up when the cigarette case skin reaches the specified position, so that the back of the cigarette case skin faces the vertical panel 22. The first visual acquisition device is arranged on the horizontal top panel 21 and is used for image acquisition of the front of the cigarette case skin placed on the cigarette case skin material table. The second visual acquisition device is arranged on the vertical panel 22 and is used for image acquisition of the back of the cigarette case skin after being turned over by the mechanical hand.

[0035] Specifically, the detection rack is composed of a horizontal top panel 21 and a vertical panel 22, the horizontal top panel 21 is arranged vertically with the vertical panel 22, and the detection rack is in a 7-shaped folding plate structure. The cigarette case skin in a sheet shape (a cigarette case that has not been expanded) is placed on the cigarette case skin material table 5, the first visual acquisition device directly above the cigarette case skin material table is used for photographing the front of the cigarette case skin placed on the cigarette case material table, so as to detect whether the appearance of the front of the cigarette case skin is damaged and check the brand and type of the case skin. The mechanical hand grasps the cigarette case skin placed on the cigarette case material table, turns over the cigarette case skin after lifting it up, and makes the back of the cigarette case skin face the second visual acquisition device, so as to photograph the back of the case skin. After detecting the front and back of the cigarette case skin, all six surfaces of the case skin after being expanded into a cigarette case are detected, and omnidirectional detection of the cigarette case is realized. The system can improve the convenience and intelligence of the cigarette case skin detection and improve the production efficiency.

[0036] The system further includes a detection controller, the detection controller is signal connected with the material level detection device, the mechanical hand, the first visual acquisition device and the second visual acquisition device respectively. The detection controller controls the first visual acquisition device to photograph and acquire the front of the cigarette case skin when the cigarette case skin reaches the specified position, controls the mechanical hand to turn over the cigarette case skin after photographing is completed, and controls the second visual acquisition device to photograph and acquire the back of the cigarette case skin after turning over is completed.

[0037] Further, the first visual acquisition device and the second visual acquisition device each include a camera 3 and a fill light 4. The detection controller is signal connected with the camera 3 and the fill light 4 respectively, controls the camera 3 to photograph the image of the cigarette case skin when the cigarette case skin is at a specified position, and correspondingly controls the fill light 4 during photographing.

[0038] The system also includes: an upper light shield 6; two upper light shields 6 are movably and symmetrically arranged on both sides of the horizontal top panel to block the outward scattering of the light source of the supplementary light.

[0039] The system also includes: a lower light shield 7; two lower light shields 7 are movably and symmetrically arranged on both sides of the vertical panel to block the outward scattering of the light source of the supplementary light.

[0040] In one embodiment, such as Figure 2 As shown, light shields are installed on the left and right sides of the horizontal top panel and vertical panel of the inspection platform. To shorten the time it takes for the light shields to open and close, two movable light shields are installed on the left and right sides of the horizontal top panel and vertical panel respectively to block the light source of the supplementary light from scattering outside the equipment when image capture begins. Before the supplementary light for visual inspection of the upper cigarette box is activated, the light shields move up and down to close. Then, the system automatically turns on the upper supplementary light to inspect the cigarette box. After the upper cigarette box is inspected, the upper supplementary light is turned off. After the bottom appearance of the cigarette box is inspected, the lower inspection supplementary light is turned off, and the pair of light shields on each side of the visual panel move up and down to open. The light shields operate in the same way when the next box is inspected. The appearance inspection of the box sequentially checks the upper and lower appearance of the box. When inspecting different parts, the corresponding supplementary light is turned on sequentially, and after the inspection is completed, the corresponding supplementary light is turned off sequentially. Before opening the supplementary light for inspecting the upper cigarette box, the light shield is closed to block light. After the bottom of the cigarette box is inspected, the supplementary light for inspection is turned off, and the light shield is opened. Inspecting the upper and lower parts of the cigarette box is equivalent to inspecting all six sides of the opened box, achieving a comprehensive inspection. When an abnormality is detected, a mechanical suction claw picks up the abnormal section and places it in the manual inspection area with the abnormal side facing upwards for easy manual inspection.

[0041] The system also includes a display screen; the display screen is signal-connected to the detection controller and is used to display the front and back images of the cigarette box cover.

[0042] In practical applications, the display screen can show the brand, style, and pattern of the cigarette boxes, and can display data such as the total number of box inspections, the number of qualified boxes, the number of rejected boxes, and historical images.

[0043] Furthermore, the detection controller is equipped with an image recognition processor, which compares the acquired images of the front and back of the cigarette box with pre-stored standard images to determine whether the cigarette box has defects. When a defect is found in the cigarette box, the detection controller controls the robotic arm to pick up the corresponding cigarette box and place it in the manual inspection area.

[0044] Further, the mechanical arm comprises a mechanical rotating arm and a stepping motor; the stepping motor is in driving connection with the mechanical rotating arm, and is used for driving the mechanical rotating arm to rotate, so as to overturn the grabbed cigarette case skin.

[0045] Further, the mechanical arm further comprises a mechanical suction claw, a suction claw coupling, an electromagnetic valve and an air pipe; one end of the suction claw coupling is connected with the end of the mechanical rotating arm, and the other end of the suction claw coupling is connected with the mechanical suction claw; the mechanical suction claw is connected with a compressed air source through the air pipe; the air pipe is provided with the electromagnetic valve; the electromagnetic valve controls the on-off of the negative pressure air flow of the air pipe, so that the mechanical suction claw adsorbs or releases the cigarette case skin.

[0046] Further, the material position detection device at least comprises any one of the following: a photoelectric switch, a limit switch and a contact switch.

[0047] It can be seen that the utility model provides a kind of appearance detection system for cigarette case skin, first vision acquisition device and second vision acquisition device are arranged on the detection rack of 7-shaped, to collect the front image and back image of cigarette case skin, wherein cigarette case skin is overturned by mechanical arm, solve the problem that existing cigarette case needs artificial detection before packaging, there is inconvenient and labor problem, can improve the convenience and intelligence of cigarette case skin detection, improve production efficiency.

[0048] The above detailed description of the embodiment shown in the drawing illustrates the structure, features and effect of the utility model, and the above description is only the preferred embodiment of the utility model, but the utility model is not limited to the embodiment shown in the drawing, any change or modification made according to the concept of the utility model, or equivalent embodiment with equivalent change, as long as it is within the scope of the utility model, should be within the protection scope of the utility model.

Claims

1. A system for appearance detection of a cigarette case cover, characterized by, The utility model relates to a kind of cigarette case detection device, including: Mechanical hand, material position detection device, first visual acquisition device, second visual acquisition device and detection rack table; The detection rack table is 7-shaped folding plate structure, the detection rack table is arranged in the side of cigarette case leather table, the horizontal top panel of the detection rack table is arranged in the just above of the cigarette case leather table, the vertical panel of the detection rack table is vertically arranged with the cigarette case leather table; The material position detection device is arranged in the set position of the cigarette case leather table, and is signal connected with the mechanical hand, the mechanical hand is lifted after cigarette case leather reaches the set position, and is turned over, so that cigarette case leather back is faced to the vertical panel; The first visual acquisition device is arranged on the horizontal top panel, for image acquisition to the front of cigarette case leather placed on the cigarette case leather table; The second visual acquisition device is arranged on the vertical panel, for image acquisition to the back of cigarette case leather after being turned over by the mechanical hand.

2. The appearance inspection system for a cigarette case cover according to claim 1, wherein Further including: Detection controller; The detection controller is signal connected with the material position detection device, the mechanical hand, the first visual acquisition device and the second visual acquisition device respectively; The detection controller controls the first visual acquisition device to take photograph and collect to the front of cigarette case leather when cigarette case leather reaches the set position, controls the mechanical hand to turn over cigarette case leather after photographing is completed, and controls the second visual acquisition device to take photograph and collect to the back of cigarette case leather after turning over in place.

3. The appearance inspection system for a cigarette case cover according to claim 2, wherein The first visual acquisition device and the second visual acquisition device all include: camera and fill light; The detection controller is signal connected with the camera and the fill light respectively, and controls the camera to take photograph to the image of cigarette case leather when cigarette case leather is in specified position, and correspondingly controls the fill light when photographing.

4. The system for appearance inspection of a cigarette case skin according to claim 3, characterized in that, Further including: Upper light shield plate; Two upper light shield plates are movably and symmetrically arranged on the two sides of the horizontal top panel, to shield the light source of the fill light from scattering outward.

5. The system for appearance inspection of a cigarette case skin according to claim 4, characterized in that, Further including: Lower light shield plate; Two lower light shield plates are movably and symmetrically arranged on the two sides of the vertical panel, to shield the light source of the fill light from scattering outward.

6. The appearance inspection system for a cigarette case cover according to claim 5, wherein Further including: Display screen; The display screen is signal connected with the detection controller, to display the front image of cigarette case leather and the back image of cigarette case leather.

7. The system for appearance inspection of a cigarette case skin according to claim 6, wherein The detection controller is provided with image recognition processor, and the image recognition processor is used to compare the front image of cigarette case leather and the back image of cigarette case leather collected with pre-stored standard image, to judge whether cigarette case leather has defect or not; The detection controller controls the mechanical hand to grasp corresponding cigarette case leather into artificial detection area when cigarette case leather has defect.

8. The system for appearance inspection of a cigarette case skin according to claim 7, wherein The mechanical hand includes: mechanical rotating arm and step motor; The step motor is drivingly connected with the mechanical rotating arm, to drive the mechanical rotating arm to rotate, to turn over the cigarette case leather grasped.

9. The system for appearance inspection of a cigarette case skin according to claim 8, wherein The mechanical hand further includes: mechanical suction claw, suction claw coupling, electromagnetic valve and air pipe. The suction claw coupling is connected with the end of the mechanical rotating arm at one end, and connected with the mechanical suction claw at the other end, the mechanical suction claw is connected with the compressed air source through the air pipe, the air pipe is provided with the electromagnetic valve, the electromagnetic valve controls the on-off of the negative pressure air flow of the air pipe, so that the mechanical suction claw adsorbs or releases the smoke box skin.

10. The system for appearance inspection of a cigarette case skin according to any one of claims 1 to 9, characterized in that, The material level detection device at least includes any one of the following: photoelectric switch, limit switch and contact switch.