Defect detection device for filter stick packaging strip box

Abstract

The utility model provides a filter stick packaging strip box defect detection device which comprises a mounting base, the section of the mounting base is in a U shape, a conveying belt is mounted on the inner side of the mounting base, a filter stick packaging strip box is placed on the conveying belt, guide assemblies are arranged on the two sides above the conveying belt, and two sets of symmetrically-arranged fixing plates are mounted on the inner side of the mounting base. A positioning plate is installed between the two sets of fixing plates, a detection opening is formed in the positioning plate, an assembling base is installed above the installing base, an industrial camera is installed below the assembling base through a connecting assembly, and the position of the shooting end of the industrial camera corresponds to the position of the detection opening; according to the utility model, the whole structure is simple, the use is convenient, the detection port is matched with the industrial camera, a fixed shooting visual angle is ensured, and a basic detection reference object is established, so that the interference of other factors is reduced, the accuracy of a detection result is improved, and the guide assembly is matched, so that the detection error caused by the movement or position offset of the strip box is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts detection, especially to a filter rod packaging carton defect detection device. BACKGROUND

[0002] The filter rod packaging carton is an important packaging form for filter rod production and transportation, and is used for protecting, storing and transporting the filter rod. The filter rod is a key raw material in cigarette production, and its packaging carton not only bears the quantity management and transportation function of the filter rod, but also shoulders the product brand display and quality guarantee function.

[0003] In actual production, the quality of the filter rod packaging carton directly affects the efficiency of the subsequent production link and the final quality of the product. In particular, the pasting quality of the carton surface trademark paper (including position, integrity, printing quality, etc.) is directly related to the appearance image of the product and the acceptance of consumers. For example, the prior art (application publication number CN109969495A) discloses a filter rod packaging machine carton defect detection device and its detection method, which can accurately detect the missing of the carton trademark paper, the carton skew and other situations, improve the detection rate of related carton defects, and thus reduce the market related carton quality feedback.

[0004] Based on the prior art, it is found that in the process of detecting the defects of the filter rod packaging carton, a camera and a visual algorithm are usually used for detection, but the content covered by the captured picture is more, which not only captures the target area of the carton (such as the trademark paper), but also may contain irrelevant information such as the background area, other parts of the carton and the conveyor belt part, the interference factors are large, the complexity of the detection algorithm is increased, and at the same time, the position of the carton may be offset or inclined during the conveying process, which also increases the interference factors in the camera captured picture. Therefore, the utility model provides a filter rod packaging carton defect detection device to solve the problems in the prior art. UTILITY MODEL CONTENT

[0005] In view of the above problems, the utility model aims to provide a filter rod packaging carton defect detection device, which has the advantages of improving the detection accuracy and solving the problems in the prior art.

[0006] In order to realize the purpose of the utility model, the utility model discloses a filter rod packing carton defect detection device through the following technical scheme, a mounting seat, the section of mounting seat is in the shape of n, and the inner side of mounting seat is installed with conveying belt, the filter rod packing carton is placed on the conveying belt, both sides above the conveying belt are equipped with guide assembly, the inner side of mounting seat is installed with two groups of fixed plates that are symmetrically arranged, two groups of fixed plates are installed with positioning plate between, and the positioning plate is equipped with detection port, the top of mounting seat is installed with assembly seat, the lower portion of assembly seat is installed with industrial camera through connecting assembly, the position of the shooting end of industrial camera corresponds with the position of detection port.

[0007] Further improvement lies in that the guide assembly comprises an L-shaped frame, bearings are installed with guide wheels on the inner side of the L-shaped frame, the guide wheels are provided in several groups, and the guide wheels are in contact with the filter rod packing carton.

[0008] Further improvement lies in that the two sides of the mounting seat are installed with electric push rods, the telescopic end of the electric push rod is fixedly connected with the L-shaped frame, guide rods are installed on the L-shaped frame, the guide rods are provided in several groups, and one end of the guide rod penetrates through the mounting seat.

[0009] Further improvement lies in that one side of the assembly seat is installed with a PLC controller, two groups of laser sensors that are symmetrically arranged are installed on the positioning plate, the laser sensors are electrically connected with the PLC controller, and the PLC controller is electrically connected with the control end of the conveying belt.

[0010] Further improvement lies in that the connecting assembly comprises a shell, a first mounting cavity and a second mounting cavity are arranged in the shell, a power supply battery is installed on the inner side of the first mounting cavity, the inner side of the second mounting cavity is connected with the industrial camera through a support, and the industrial camera is electrically connected with the power supply battery.

[0011] Further improvement lies in that a light supplementing lamp is installed on the inner side of the second mounting cavity, and the light supplementing lamp is provided in several groups.

[0012] Further improvement lies in that a clamping groove is arranged on the fixed plate, the end portion of the positioning plate is located in the clamping groove, and the positioning plate is connected with the fixed plate through bolts.

[0013] The filter rod packing carton defect detection device has the advantages of simple overall structure, convenient use, cooperation of the detection port and the industrial camera, fixed shooting angle, only target area (the trademark paper part) passing through the detection port into the camera field of view, shielding irrelevant areas physically, reducing picture content, establishing basic detection reference, reducing interference of other factors, improving the accuracy of detection results, cooperating with the guide assembly, and reducing detection errors caused by the movement or position deviation of the carton. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0015] Figure 1 is the front view structural schematic diagram of the present application.

[0016] Figure 2 is the plan view schematic diagram of the present application after installing the positioning plate.

[0017] Figure 3 is the plan view schematic diagram of the L-shaped frame distribution of the present application.

[0018] Figure 4 is the three-dimensional structural schematic diagram of the assembly seat of the present application.

[0019] Among them: 1, mounting seat; 2, conveying belt; 3, fixed plate; 4, positioning plate; 5, detection port; 6, assembly seat; 7, industrial camera; 8, L-shaped frame; 9, guide wheel; 10, electric push rod; 11, guide rod; 12, PLC controller; 13, laser sensor; 14, shell; 15, power supply battery; 16, light supplement lamp; 17, clamping groove; 18, filter rod packaging carton. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the present application, the following will be further described in combination with the embodiments of the present application, and the present embodiment is only used to explain the present application, and does not constitute the limitation of the protection scope of the present application.

[0021] According to Figures 1-4 As shown in the figure, the present embodiment proposes a filter rod packaging carton defect detection device, which comprises a mounting seat 1, the cross section of the mounting seat 1 is in the shape of a n, which provides the fixation and support of the overall device, the inner side of the mounting seat 1 is provided with a conveying belt 2 for conveying filter rod packaging cartons 18, further, the two ends of the inner side of the conveying belt 2 are provided with driving rollers, and then a plurality of groups of driven rollers are arranged between the two groups of driving rollers, which are responsible for the support and operation of the conveying belt 2, for the rollers, the shafts are connected with the mounting seat 1 through bearings, correspondingly, the driving rollers on both sides are driven by independent motors, the driving rollers and the driven rollers are reasonably distributed, which avoids the sagging phenomenon of the conveying belt due to gravity or the weight of the carton, reduces the possible vibration or uneven motion in the operation process of the conveying belt, and improves the stability of the carton conveying and the accuracy of the detection.

[0022] The filter rod packaging carton 18 is placed on the conveying belt 2, and guide assemblies are arranged on both sides above the conveying belt 2. The guide assemblies comprise L-shaped frames 8, the inner sides of the L-shaped frames 8 are provided with guide wheels 9 through bearings, the guide wheels 9 are arranged in groups, and the guide wheels 9 are in contact with the filter rod packaging carton 18. Further, the mounting seat 1 is provided with electric push rods 10 on both sides, the telescopic ends of the electric push rods 10 are fixedly connected with the L-shaped frames 8, guide rods 11 are arranged on the L-shaped frames 8, the guide rods 11 are arranged in groups, one end of the guide rods 11 penetrates through the mounting seat 1, in the embodiment, the guide rods 11 are symmetrically arranged in two groups, and the arrangement of the guide wheels 9 ensures that the filter rod packaging carton 18 always remains stable and centered when moving on the conveying belt 2, and does not tilt or deviate. Under the action of the electric push rods 10, the distance between the two guide wheels 9 can be adjusted to adapt to filter rod packaging cartons 18 of different specifications.

[0023] The inner side of the mounting seat 1 is provided with two groups of symmetrically arranged fixed plates 3, a positioning plate 4 is arranged between the two groups of fixed plates 3, the positioning plate 4 is provided with a detection opening 5, the fixed plates 3 are provided with clamping grooves 17, the end of the positioning plate 4 is located in the clamping groove 17, and the positioning plate 4 is connected with the fixed plates 3 through bolts. The position of the detection opening 5 corresponds to the position of the trademark paper on the filter rod packaging carton 18, so that when filter rod packaging cartons 18 of the same specification enter the detection area, the positions of the trademark papers of the filter rod packaging cartons 18 can all enter below the detection opening 5. Correspondingly, in order to ensure the position accuracy of the filter rod packaging carton 18, a PLC controller 12 is arranged on one side of the assembly seat 6, two groups of symmetrically arranged laser sensors 13 are arranged on the positioning plate 4, the laser sensors 13 are electrically connected with the PLC controller 12, and the PLC controller 12 is electrically connected with the control end of the conveying belt 2.

[0024] In work, the laser sensor 13 detects, when it is detected that the filter rod packaging carton 18 enters a predetermined range (such as the photoelectric signal is blocked, the proximity signal is triggered, etc.), a trigger signal is generated and transmitted to the PLC controller 12, the PLC controller 12 sends a signal to stop the motor of the conveying belt 2, and after waiting for the detection to be completed, a start signal is sent to restore the operation of the conveying belt 2. In this process, the shutdown time of the conveying belt after the sensor signal is triggered can be set through a program to ensure that the filter rod packaging carton 18 completely enters the predetermined range.

[0025] The upper portion of the mounting base 1 is provided with an assembling base 6, and the lower portion of the assembling base 6 is provided with an industrial camera 7 through a connecting assembly, and the position of the shooting end of the industrial camera 7 corresponds to the position of the detection port 5. In the device, the industrial camera 7 is connected with an external computer, and the external computer is provided with a detection vision algorithm, in the device, the image data is collected by the industrial camera 7 and transmitted to the external computer, and the external computer can control the running state of all electronic components of the device through a PLC controller 12, which is the general controller of the device. Further, in the detection process, the detection port 5 is used as a reference standard to judge whether the position of the trademark paper is correct, so the detection vision algorithm takes the edge and shape of the detection port 5 as the standard to calculate whether the trademark paper is offset, rotated or not completely covers the required area, in this process, the existence of the detection port 5 fixes the field of view of the industrial camera 7 in a specific detection area, avoiding the interference of the surrounding background (such as the conveying belt, the other parts of the strip box or the environmental light) to the detection, thereby improving the accuracy of the subsequent detection.

[0026] The connecting assembly comprises a shell 14, the shell 14 is provided with a first mounting cavity and a second mounting cavity, a power supply battery 15 is mounted on the inner side of the first mounting cavity, the inner side of the second mounting cavity is connected with the industrial camera 7 through a support, and the industrial camera 7 is electrically connected with the power supply battery 15, further, a light supplementing lamp 16 is mounted on the inner side of the second mounting cavity, and the light supplementing lamp 16 is provided with a plurality of groups, the light supplementing lamp 16 provides uniform illumination conditions, avoiding the interference of environmental light changes or strip box reflection to image acquisition.

[0027] 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 embodiments, and the above embodiments and descriptions in the specification are only to illustrate 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 present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A filter rod packet carton defect detection apparatus comprising a mounting base (1) characterised in that: The cross section of the mounting seat (1) is in the shape of a n, and the inner side of the mounting seat (1) is provided with a conveying belt (2) on which a filter rod packaging carton (18) is placed, and both sides above the conveying belt (2) are provided with a guide assembly, the inner side of the mounting seat (1) is provided with two groups of symmetrically arranged fixing plates (3), the two groups of fixing plates (3) are provided with a positioning plate (4) therebetween, and the positioning plate (4) is provided with a detection port (5), the upper side of the mounting seat (1) is provided with an assembly seat (6), the lower side of the assembly seat (6) is provided with an industrial camera (7) through a connecting assembly, and the position of the shooting end of the industrial camera (7) corresponds to the position of the detection port (5).

2. A filter rod packet strip box defect detection apparatus according to claim 1, characterized in that: The guide assembly comprises an L-shaped frame (8), the inner side of the L-shaped frame (8) is provided with a guide wheel (9) through a bearing, the guide wheel (9) is provided in several groups, and the guide wheel (9) is in contact with the filter rod packaging carton (18).

3. A filter rod packet strip box defect detection apparatus according to claim 2, characterized in that: Both sides of the mounting seat (1) are provided with an electric push rod (10), the telescopic end of the electric push rod (10) is fixedly connected with the L-shaped frame (8), the L-shaped frame (8) is provided with a guide rod (11), and the guide rod (11) is provided in several groups, one end of the guide rod (11) penetrates through the mounting seat (1).

4. A filter rod packet strip box defect detection apparatus according to claim 1, characterized in that: One side of the assembly seat (6) is provided with a PLC controller (12), the positioning plate (4) is provided with two groups of symmetrically arranged laser sensors (13), and the laser sensors (13) are electrically connected with the PLC controller (12), and the PLC controller (12) is electrically connected with the control end of the conveying belt (2).

5. A filter rod package strip box defect detection apparatus according to claim 1, characterized in that: The connecting assembly comprises a shell (14), the shell (14) is provided with a first mounting cavity and a second mounting cavity in the shell (14), the inner side of the first mounting cavity is provided with a power supply battery (15), the inner side of the second mounting cavity is connected with the industrial camera (7) through a support, and the industrial camera (7) is electrically connected with the power supply battery (15).

6. A filter rod packet strip box defect detection apparatus according to claim 5, characterised in that: The inner side of the second mounting cavity is provided with a light supplementing lamp (16), and the light supplementing lamp (16) is provided in several groups.

7. A filter rod package strip box defect detection apparatus according to claim 1, characterized in that: The fixing plate (3) is provided with a clamping groove (17), the end of the positioning plate (4) is located in the clamping groove (17), and the positioning plate (4) is connected with the fixing plate (3) through bolts.

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