A composite carton printing defect visual detection device

Abstract

The application relates to a composite carton printing defect visual detection device, which comprises a chassis and a conveying line, a protective cover is arranged on the chassis, a wind-cooled visual detection blowing assembly is arranged in the protective cover on the chassis, the wind-cooled visual detection assembly comprises a shunt seat, a first cooling pipe, a second cooling pipe, a transverse adjusting assembly, a first CCD camera, a second CCD camera and a blowing nozzle, flexible pipes are arranged between the shunt seat and the first cooling pipe, between the second cooling pipe and the first cooling pipe and between the second cooling pipe and the blowing nozzle, and a cold air blower is fixedly connected to the chassis. The application has the following beneficial effects: the surface printing condition of the carton can be automatically visually detected, the camera can be cooled and the surface residual chippings can be blown away during the detection process, the specifications of different cartons can be adjusted, and the applicability is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of printing detection equipment, and particularly relates to a composite carton printing defect visual detection device. BACKGROUND

[0002] As the main body of modern logistics packaging, the surface printing quality of a carton is directly related to the appearance image of a commodity, brand value and the first impression of a consumer. In a high-speed printing production process, a series of printing defects such as missing printing, ink flying, stains, inaccurate overprinting, scratches, ink dots and color difference are easily caused due to process parameter fluctuation, mechanical vibration, ink viscosity change, plate wear or uneven surface of a printing substrate.

[0003] At present, the existing detection method for a carton mainly detects through a camera. In order to avoid environmental light influence and improve detection precision, a protective cover and a fill light are usually arranged to create a stable light source environment for detection. However, compared with an open environment, the temperature is relatively high in a long-term use process after the protective cover is arranged. The service life and detection precision of the camera in a high-temperature environment are relatively low. In addition, paper dust may be attached to the surface of the carton to shield the printing part during detection, which affects detection. Therefore, a composite carton printing defect visual detection device is needed. SUMMARY

[0004] The present application aims to provide a composite carton printing defect visual detection device which can automatically visually detect the surface printing condition of a carton, can cool and cool the camera and blow off surface residual dust during detection, and can adjust the specifications of different cartons, and has high applicability.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a composite carton printing defect visual detection device, comprising a chassis and a conveying line, a protective cover is arranged on the chassis, a forced air cooling visual detection blowing assembly is arranged on the chassis in the protective cover, the forced air cooling visual detection blowing assembly comprises a shunt seat, a first cooling pipe, a second cooling pipe, a transverse adjusting assembly, a first CCD camera, a second CCD camera and a blowing nozzle, flexible pipes are arranged between the shunt seat and the first cooling pipe, between the second cooling pipe and the first cooling pipe, and between the second cooling pipe and the blowing nozzle, the first CCD camera and the second CCD camera are fixedly connected in the first cooling pipe and the second cooling pipe respectively, a cooling fan is fixedly connected to the chassis, and the air outlet of the cooling fan is connected with the air inlet of the shunt seat.

[0006] Further, a guide assembly is arranged on the chassis at both sides of the conveying line, and the guide assembly comprises a guide seat, a guide plate and a guide rod.

[0007] Further, the guide seat is fixedly connected with the chassis, the guide plate is fixedly connected with the guide rod, the guide rod is slidably connected with the guide seat, and a screw rod is threadedly connected with the guide seat.

[0008] Further, the shunt seat and the transverse adjusting assembly are fixedly connected with the chassis, the first cooling pipe is fixedly connected with the moving end of the transverse adjusting assembly, the second cooling pipe is hingedly connected with the first cooling pipe, and the air blowing nozzle is hingedly connected with the second cooling pipe.

[0009] Further, the transverse adjusting assembly comprises a support, a lead screw, a guide column and a translation sliding seat, the support is fixedly connected with the chassis, the lead screw is threadedly connected with the chassis, the end of the lead screw is rotatably connected with the translation sliding seat through the support, and the translation sliding seat is slidably connected with the support.

[0010] Further, an auxiliary air inlet is arranged on the second cooling pipe, an auxiliary air flow channel is arranged on the shunt seat, an auxiliary cooling pipe is arranged between the auxiliary air inlet and the auxiliary air flow channel, and the flexible pipe and the auxiliary cooling pipe are both corrugated pipes.

[0011] Further, the air blowing nozzle is a duckbill-shaped air nozzle.

[0012] Further, temperature sensors are fixedly connected in the first cooling pipe and the second cooling pipe, and a light supplementing lamp is fixedly connected to the inner wall of the protective cover.

[0013] Compared with the prior art, the beneficial effects of the present application are as follows: the surface printing condition of the carton can be automatically visually detected, the camera can be cooled and the surface residual debris can be blown off during the detection process, and the specifications of different cartons can be adjusted, so the applicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 It is a schematic diagram of the internal structure of the protective cover of the present application;

[0016] Figure 3 It is a schematic diagram of the structure at the chassis of the present application;

[0017] Figure 4 It is a schematic diagram of the air-cooled visual detection and blowing assembly of the present application.

[0018] Figure 5 It is a sectional view of the shunt seat of the present application.

[0019] In the diagram: 1. Base frame; 2. Conveyor line; 3. Protective cover; 401. Diverter seat; 4011. Auxiliary airflow channel; 402. First cooling pipe; 403. Second cooling pipe; 4031. Auxiliary air inlet; 404. Lateral adjustment assembly; 405. First CCD camera; 406. Second CCD camera; 407. Air nozzle; 408. Flexible pipe; 5. Air cooler; 601. Guide seat; 602. Guide plate; 603. Guide rod; 604. Screw; 7. Temperature sensor. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for 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. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] Example:

[0023] like Figures 1-5 As shown, the present invention proposes a visual inspection device for printing defects in composite cartons, comprising a base frame 1 and a conveyor line 2. A protective cover 3 is provided on the base frame 1, and an air-cooled visual inspection blowing assembly is provided on the base frame 1 inside the protective cover 3. The air-cooled visual inspection blowing assembly includes a flow divider 401, a first cooling pipe 402, a second cooling pipe 403, a lateral adjustment assembly 404, a first CCD camera 405, a second CCD camera 406, and an air nozzle 407. Flexible pipes 408 are provided between the flow divider 401 and the first cooling pipe 402, between the second cooling pipe 403 and the first cooling pipe 402, and between the second cooling pipe 403 and the air nozzle 407. The first CCD camera 405 and the second CCD camera 406 are respectively fixedly connected inside the first cooling pipe 402 and the second cooling pipe 403. A cold air blower 5 is fixedly connected to the base frame 1, and the air outlet of the cold air blower 5 is connected to the air inlet of the flow divider 401.

[0024] The guiding assembly is arranged on the chassis 1 on both sides of the conveying line 2, and comprises a guiding seat 601, a guiding plate 602 and a guiding rod 603, both ends of the guiding plate 602 are outwardly inclined and bent, the guiding seat 601 is fixedly connected with the chassis 1, the guiding rod 603 and the guiding plate 602 can be adjusted in translation sliding along the guiding seat 601, and the guiding rod 603 and the guiding plate 602 can be fixed by screwing the screw rod 604 after the adjustment is completed.

[0025] The shunt seat 401 and the transverse adjusting assembly 404 are fixedly connected with the chassis 1, the first cooling pipe 402 is fixedly connected with the moving end of the transverse adjusting assembly 404, the horizontal moving position of the first cooling pipe 402 can be adjusted through the transverse adjusting assembly 404, the second cooling pipe 403 is hingedly connected with the first cooling pipe 402, the second cooling pipe 403 can rotate around the first cooling pipe 402 to be adjusted in angle, and the air blowing nozzle 407 is hingedly connected with the second cooling pipe 403, so that the air blowing nozzle 407 can be adjusted in angle around the second cooling pipe 403.

[0026] The transverse adjusting assembly 404 comprises a support, a lead screw, a guide column and a translation sliding seat, the support is fixedly connected with the chassis 1, the lead screw is threadedly connected with the chassis 1, the end of the lead screw is rotationally connected with the translation sliding seat through the support, and the translation sliding seat is slidingly connected with the support.

[0027] An auxiliary air inlet 4031 is arranged on the second cooling pipe 403, an auxiliary air flow channel 4011 is arranged on the shunt seat 401, an arc-shaped flow guide plate is fixedly connected with the auxiliary air flow channel 4011 at a position in communication with the main flow channel of the shunt seat 401, the flow guide plate can guide part of the air flow from the main flow channel into the auxiliary air flow channel 4011 and then into the second cooling pipe 403 to cool the second CCD camera 406, and an auxiliary cooling pipe is arranged between the auxiliary air inlet 4031 and the auxiliary air flow channel 4011, the flexible pipe 408 and the auxiliary cooling pipe are both corrugated pipes.

[0028] The air blowing nozzle 407 is specifically a duckbill-shaped air blowing nozzle, the duckbill-shaped air blowing nozzle can blow a larger range and improve the blowing effect.

[0029] Temperature sensors 7 are fixedly connected in the first cooling pipe 402 and the second cooling pipe 403, the temperature sensors 7 are used for monitoring the temperature of the surrounding environment of the first CCD camera 405 and the second CCD camera 406, cold air is introduced to cool when the temperature of the surrounding environment of the first CCD camera 405 and the second CCD camera 406 is high, and a light supplementing lamp is fixedly connected to the inner wall of the first protective cover 3.

[0030] The working principle of the application is as follows:

[0031] The first cooling pipe 402 can be horizontally moved and position-adjusted by the transverse adjustment assembly 404 according to the size of the carton before use, the second cooling pipe 403 is hinged with the first cooling pipe 402, the second cooling pipe 403 can rotate around the first cooling pipe 402 for angle adjustment, the air blowing nozzle 407 is hinged with the second cooling pipe 403, and the air blowing nozzle 407 can be angle-adjusted around the second cooling pipe 403.

[0032] In use of the present application, the carton to be detected is conveyed by the conveying line 2, stopped conveying after being conveyed to the detection station, and the dry cold air is introduced into the distribution seat 401 by the air cooler 5, the cold air mainly enters the second cooling pipe 403 through the flexible pipe 408 and the first cooling pipe 402 and is finally discharged through the air blowing nozzle 407, and another part directly flows into the second cooling pipe 403 through the auxiliary air flow channel 4011 and is finally discharged through the air blowing nozzle 407 (an arc-shaped flow guide plate (referring to Figure 5 ) is fixedly connected with the main flow channel of the distribution seat 401 at the position where the auxiliary air flow channel 4011 communicates with the main flow channel, the flow guide plate can guide part of the air flow from the main flow channel into the auxiliary air flow channel 4011 and directly into the second cooling pipe 403 to cool the second CCD camera 406), and the printed part on the surface of the carton is detected by photographing through the first CCD camera 405 and the second CCD camera 406 during the detection operation.

[0033] In the present application, unless otherwise specified and limited, the terms "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The above embodiments are used to further illustrate the present application, but do not limit the present application to these specific embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be understood as within the protection scope of the present application.

Claims

1. A visual inspection device for printing defects in composite cardboard boxes, characterized in that: The system includes a base frame (1) and a conveyor line (2). A protective cover (3) is provided on the base frame (1). An air-cooled visual inspection and purging assembly is provided on the base frame (1) inside the protective cover (3). The air-cooled visual inspection and purging assembly includes a flow divider (401), a first cooling pipe (402), a second cooling pipe (403), a lateral adjustment assembly (404), a first CCD camera (405), a second CCD camera (406), and an air nozzle (407). The flow divider (401) is connected to the first cooling pipe. Flexible pipes (408) are provided between the pipes (402), between the second cooling pipe (403) and the first cooling pipe (402), and between the second cooling pipe (403) and the air nozzle (407). The first CCD camera (405) and the second CCD camera (406) are fixedly connected in the first cooling pipe (402) and the second cooling pipe (403) respectively. A cold air blower (5) is fixedly connected on the base frame (1). The air outlet of the cold air blower (5) is connected to the air inlet of the splitter seat (401).

2. The visual inspection device for printing defects in composite cartons according to claim 1, characterized in that: The base frame (1) is provided with guide components on both sides of the conveyor line (2). The guide components include guide seat (601), guide plate (602) and guide rod (603).

3. The visual inspection device for printing defects in composite cartons according to claim 2, characterized in that: The guide seat (601) is fixedly connected to the base frame (1), the guide plate (602) is fixedly connected to the guide rod (603), the guide rod (603) is slidably connected to the guide seat (601), and a screw (604) is threadedly connected to the guide seat (601).

4. The visual inspection device for printing defects in composite cartons according to claim 1, characterized in that: The diverter seat (401) and the lateral adjustment assembly (404) are both fixedly connected to the base frame (1). The first cooling pipe (402) is fixedly connected to the moving end of the lateral adjustment assembly (404). The second cooling pipe (403) is hinged to the first cooling pipe (402). The air nozzle (407) is hinged to the second cooling pipe (403).

5. The visual inspection device for printing defects in composite cartons according to claim 4, characterized in that: The lateral adjustment assembly (404) includes a bracket, a lead screw, a guide column, and a translation slide. The bracket is fixedly connected to the base frame (1), the lead screw is threadedly connected to the base frame (1), the end of the lead screw passes through the bracket and is rotatably connected to the translation slide, and the translation slide is slidably connected to the bracket.

6. The visual inspection device for printing defects in composite cartons according to claim 4, characterized in that: The second cooling pipe (403) is provided with an auxiliary air inlet (4031), the splitter seat (401) is provided with an auxiliary airflow channel (4011), and an auxiliary cooling pipe is provided between the auxiliary air inlet (4031) and the auxiliary airflow channel (4011). Both the flexible pipe (408) and the auxiliary cooling pipe are corrugated pipes.

7. The visual inspection device for printing defects in composite cartons according to claim 1, characterized in that: The air nozzle (407) is specifically a duckbill-shaped air nozzle.

8. The visual inspection device for printing defects in composite cartons according to claim 1, characterized in that: Temperature sensors (7) are fixedly connected inside the first cooling pipe (402) and the second cooling pipe (403), and supplementary lights are fixedly connected to the inner wall of the protective cover (3).

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