Cigarette packet appearance detection equipment

By using a staggered transparent paper and label paper inspection mechanism, combined with a camera group and an electrical control cabinet for cigarette pack appearance inspection equipment, the instability and inaccuracy of traditional inspection devices have been solved. This has enabled autonomous learning and automatic rejection functions, improving inspection efficiency and accuracy.

CN223465146UActive Publication Date: 2025-10-24HUBEI CHINA TOBACCO INDUSTRY CO LTD
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Patent Information

Application Number
CN202422830299.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-24
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Traditional machine vision cannot be integrated with self-evolving and self-learning systems in tobacco packaging inspection, and the inspection device requires an additional inspection frame, resulting in structural instability and inaccurate detection.

Method used

Design a cigarette pack appearance inspection device, which adopts a detection mechanism for transparent paper and label paper with staggered settings, combined with a camera group and an electrical control cabinet, and uses a management platform and touch screen to realize real-time data feedback and autonomous learning, and a rejection mechanism for automatically rejecting unqualified cigarette packs.

Benefits of technology

It improves the accuracy and efficiency of testing, saves assembly materials, enhances structural stability, realizes autonomous learning and automatic rejection functions, and improves overall testing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses cigarette packet appearance detection equipment which comprises a separation control box, a separation mechanism, a transparent paper detection mechanism, a label paper detection mechanism and a management and control platform which are sequentially arranged in the cigarette packet conveying direction, the transparent paper detection mechanism and the label paper detection mechanism are arranged on the periphery of a conveying mechanism used for conveying the cigarette packets in a staggered mode. The transparent paper detection mechanism and the label paper detection mechanism each comprise a first camera set and a second camera set, and the first camera sets and the second camera sets are electrically connected with the management and control platform. According to the utility model, detection equipment for label paper and transparent paper is carried simultaneously, and the transparent paper of a label paper box is detected simultaneously, so that the appearance detection is more accurate and effective; the staggered arrangement of the two monitoring devices enables the stability of the whole structure to be high, an additional frame structure does not need to be added, and the structure is simple and convenient.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to cigarette appearance detection technical field, concretely relates to a cigarette package appearance detection equipment. BACKGROUND

[0002] Machine vision is applied in tobacco industry, especially in the detection of tobacco packaging quality, and the application is more and more widely. However, the traditional machine vision, due to the obsolete technology, the slow update, etc. cannot cooperate with the existing system with self-evolution and self-learning functions, and the traditional detection device also needs to increase the detection frame for the image acquisition camera, and there are many invariables. UTILITY MODEL CONTENT

[0003] The utility model discloses a cigarette package appearance detection equipment, carries trademark paper and transparent paper detection equipment, and the trademark paper box transparent paper is detected, and the appearance detection is more accurate and effective, and the stability of the whole structure is high, and the additional frame structure is not needed, and the structure is simple and convenient.

[0004] The utility model discloses a cigarette package appearance detection equipment, carries trademark paper and transparent paper detection equipment, and the trademark paper box transparent paper is detected, and the appearance detection is more accurate and effective, and the stability of the whole structure is high, and the additional frame structure is not needed, and the structure is simple and convenient.

[0005] Further, it further includes the cigarette receiving box and the rejection mechanism arranged on the two sides of the conveying mechanism, the separation mechanism and the rejection mechanism are arranged on the two sides of the trademark paper detection mechanism, the rejection mechanism is provided with a pushing mechanism, the pushing mechanism is used to push the cigarette to separate from the conveying mechanism and enter the cigarette receiving box, and the rejection mechanism is electrically connected with the control platform.

[0006] Further, the transparent paper detection mechanism includes a transparent paper detection box composed of a first light source and a first camera group and a first electric control cabinet for controlling the transparent paper detection box, and the transparent paper detection box and the first electric control cabinet are arranged on the upper and lower sides of the conveying mechanism.

[0007] Further, the projection of the separation mechanism and the transparent paper detection box is located on the first electric control cabinet, the separation control box and the separation mechanism are arranged on the upper and lower sides of the conveying mechanism respectively, and the separation control box is arranged away from the first electric control cabinet.

[0008] Further, the transparent paper detection box and the separation mechanism form a first through cavity and a second through cavity with the first electric control cabinet respectively, and the conveying mechanism passes through the first through cavity and the second through cavity.

[0009] Further, the rejection mechanism comprises an assembly part extended from an assembly shell of the conveying mechanism, and an electromagnetic valve and a rejection air nozzle driven by the electromagnetic valve are arranged on the assembly part and are used for operating towards the cigarette receiving box.

[0010] Further, the assembly part is close to the side of the cigarette receiving box and forms a guide groove used for operating the rejection air nozzle, and the extension length of the guide groove is greater than the length of the cigarette packet.

[0011] Further, the trademark paper detection mechanism comprises a trademark paper detection box composed of a second light source and a second camera group and a second electric control cabinet used for controlling the trademark paper detection box, and the trademark paper detection box and the second electric control cabinet are arranged on the upper and lower sides of the conveying mechanism.

[0012] Further, the first camera group and the second camera group each comprise a plurality of cameras arranged at least one diagonal position in front of, behind, left of and right of the conveying mechanism along the movement direction of the conveying track, and a synchronization mechanism connected with the control platform, and the synchronization mechanism is used for controlling the start / stop of the first camera group and the second camera group according to the operating speed of the conveying mechanism.

[0013] Further, the control platform and the touch display screen are arranged on the conveying mechanism.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model discloses a cigarette packet appearance detection equipment, and simultaneously meet the detection of transparent paper and trademark paper, utilize the space and make a number of structures wrong position, assemble in the outer periphery of conveying mechanism, save the assembly material, and improve the assembly efficiency, make full use of the outer periphery of conveying mechanism, realize the detection in conveying.

[0016] The utility model discloses a control platform and a touch display screen, can carry out the feedback of data in real time, then can increase the program or model with algorithm in prior art on the main control board, makes it can be self -learning, and then improves the detection efficiency in succession. DRAWINGS

[0017] The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application. In these drawings, like reference numerals are used to represent similar elements. The drawings in the following description are some embodiments of the present application, rather than all embodiments. For those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can be obtained.

[0018] Figure 1 A layout diagram of a cigarette packet appearance detection device according to an embodiment of the present application;

[0019] Figure 2 A front view of a cigarette packet appearance detection device according to an embodiment of the present application;

[0020] Figure 3 A structural schematic diagram of a trademark paper detection mechanism on a conveying mechanism;

[0021] Figure 4 A front view of a trademark paper detection structure;

[0022] Figure 5 A schematic diagram of a conveying mechanism carrying a control platform and a touch display screen;

[0023] Figure 6 A structural schematic diagram of a rejection mechanism;

[0024] Figure 7 A distribution schematic diagram of a camera group.

[0025] In the drawings, 1, a cigarette packet; 2, a separation control box; 3, a separation mechanism; 4, a transparent paper detection mechanism; 41, a first camera group; 42, a transparent paper detection box; 43, a first electric control cabinet; 5, a cigarette receiving box; 6, a trademark paper detection mechanism; 61, a second camera group; 62, a trademark paper detection box; 63, a second electric control cabinet; 7, a conveying mechanism; 71, an assembly part; 72, a guide groove; 8, a rejection mechanism; 81, a pushing mechanism; 82, a solenoid valve; 83, a rejection air nozzle; 9, a control platform; 10, a touch display screen; 11, a camera; 12, a synchronization mechanism. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application and the prior art, the specific implementation manners of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can be obtained. In addition, the design direction is only to represent the relative position relationship between the components, not the absolute position relationship.

[0027] The utility model discloses a cigarette packet appearance detection equipment, please refer to Figures 1-7 , mainly including the separation control box 2 that sets gradually in the cigarette packet 1 transmission direction, separation mechanism 3, transparent paper detection mechanism 4, trademark paper detection mechanism 6 and control platform 9, and transparent paper detection mechanism 4 and trademark paper detection mechanism 6 are set in the outer periphery of the conveying mechanism 7 for conveying cigarette packet 1 staggered, and transparent paper detection mechanism 4 and trademark paper detection mechanism 6 all include first camera group 41 and second camera group 61, and first camera group 41 and second camera group 61 all are electrically connected with the control platform.

[0028] In the application, the detection results of transparent paper detection mechanism 4 and trademark paper detection mechanism 6 can be used for the rejection of irregular cigarette packets, whereby a rejection mechanism 8 can be integrated on the conveying mechanism 7, and a cigarette receiving box 5 is provided to receive the rejected cigarette packets.

[0029] Specifically, the cigarette receiving box 5 and the rejection mechanism 8 can be provided on both sides of the conveying mechanism 7, and the separation mechanism 3 and the rejection mechanism 8 are provided on both sides of the trademark paper detection mechanism 6; the rejection mechanism 8 is provided with a pushing mechanism 81 for pushing the cigarette packet 1 off the conveying mechanism 7 into the cigarette receiving box; and the rejection mechanism 8 is electrically connected with the control platform 9.

[0030] The pushing mechanism 81 can be controlled by the rejection mechanism 8 to reject the unqualified cigarette packet 1 into the cigarette receiving box 5 for recycling.

[0031] It can be understood that the rejection mechanism 8 can also use other feasible ways, such as a push rod mechanism, a push piece, etc., to realize the rejection of the cigarette packet 1 from the conveying mechanism 7 and drop it into the cigarette receiving box 5. In the cigarette receiving box 5, the cigarette packets 1 can be orderly stacked or disorderly stacked.

[0032] In the embodiment of the application, specifically, the transparent paper detection mechanism 4 and the trademark paper detection mechanism 6 each include a first camera group 41 and a second camera group 61, and further include a control platform 9 and a touch display screen 10 provided on the conveying mechanism 7 in a staggered manner, the touch display screen 10, the first camera group 41 and the second camera group 61 are connected with a main control board of the control platform 9, and a control unit can be provided in the main control board, and an algorithm or model that can be automatically learned in the prior art is provided to make it meet the intelligent control.

[0033] The transparent paper detection mechanism 4 includes a transparent paper detection box 42 composed of a first light source and a first camera group 41, and a first electric control cabinet 43 for controlling the detection of the transparent paper detection box 42, and the transparent paper detection box 42 and the first electric control cabinet 43 are provided on the upper and lower sides of the conveying mechanism 7 in a staggered manner. At this time, the upper and lower sides are staggered, so that the load can be dispersed, and both the upper and lower sides exist, which provides a basis for the protection of the conveying mechanism in the subsequent process.

[0034] Based on the actual situation, the first electric control cabinet 43 has a relatively large structure, and the projection of the separating mechanism 3 and the transparent paper detection box 42 is located on the first electric control cabinet 43. Then, through the assembly shell of the conveying mechanism 7 and the like, the transparent paper detection box 42 and the separating mechanism 3 form a first through cavity and a second through cavity with the first electric control cabinet 43 respectively, and the conveying mechanism 7 passes through the first through cavity and the second through cavity. At this time, it is similar to partial sealing, thereby ensuring the safety in the conveying of the cigarette packets.

[0035] In order to improve stability and reasonably utilize space, the separating control box 2 and the separating mechanism 3 are respectively arranged on the upper and lower sides of the conveying mechanism 7, and the separating control box 2 is arranged away from the first electric control cabinet 43, so that the upper and lower sides of the conveying mechanism 7 are relatively uniformly stressed.

[0036] Referring to FIG. 1, Figure 6 As shown in the figure, the rejection mechanism 8 includes an assembly part 71 extended from the assembly shell of the conveying mechanism 7, and the assembly part 71 is provided with an electromagnetic valve 82 and a rejection air nozzle 83 driven by the electromagnetic valve 82 to move towards the cigarette receiving box 5. At this time, the electromagnetic valve forms a pushing mechanism and is directly controlled by electricity to reject the unqualified cigarette packets.

[0037] The assembly part 71 is close to the side of the cigarette receiving box and forms a guide groove 72 for the movement of the rejection air nozzle 83. The extension length of the guide groove 72 can be greater than the length of the cigarette packet 1, so that the running length of the rejection air nozzle 83 in the guide groove 72 is at least equal to the length of the cigarette packet 1 in the running direction, thereby ensuring the completion of the rejection operation.

[0038] Referring to FIG. 1, Figures 3-4 As shown in the figure, the trademark paper detection mechanism 6 includes a trademark paper detection box 62 composed of a second light source and a second camera group 61, and a second electric control cabinet 63 for controlling the detection of the trademark paper detection box 62. The trademark paper detection box 62 and the second electric control cabinet 63 are arranged on the upper and lower sides of the conveying mechanism 7 in a staggered manner. At this time, the relative consistency of the upper and lower assemblies is also ensured, thereby improving the stability.

[0039] Referring to FIG. 1, Figure 7 As shown in the figure, the structures of the first camera group 41 and the second camera group 61 can be the same, but they are complementary to each other during assembly, thereby ensuring the integrity, accuracy and effectiveness of data acquisition. Both of them can include a plurality of cameras 11 arranged at least one diagonal position in front of, behind, left and right of the conveying mechanism 7 along the movement direction of the conveying track, and a synchronization mechanism 12 connected with the control platform 9. The synchronization mechanism 12 controls the opening or stopping of the first camera group 41 and the second camera group 61 according to the movement speed of the conveying mechanism 7, thereby ensuring the accuracy of image acquisition. Specifically, the synchronization mechanism can be a synchronous sensor.

[0040] In a specific arrangement, the first camera group 41 can include two cameras 11, respectively located on the back side and right side of the cigarette packet 1, wherein the camera 11 on the back side is inclined towards the position of the cigarette packet 1, and the camera 11 on the right side is horizontally directed towards the position of the cigarette packet 1; the second camera group 61 also includes two cameras 11, respectively located on the front side and left side of the cigarette packet 1, wherein the camera 11 on the front side is inclined towards the position of the cigarette packet 1, and the camera 11 on the left side is horizontally directed towards the position of the cigarette packet 1, as shown in FIG. 6. Figure 7 Of course, more cameras 11 can be arranged in other directions, and belong to different camera groups, such as a camera 11 arranged directly above the cigarette packet 1.

[0041] When different appearance detection requirements are performed, corresponding data can be obtained from the two camera groups, such as the transparent paper detection mechanism 4 and the trademark paper detection mechanism 6, which can obtain image data from the two camera groups, and perform appearance detection based on the image data; when the position of the required image data on the cigarette packet 1 is fixed and identifiable, the image data of one camera group can be obtained alone; or when the running posture of the cigarette packet 1 is stable, the corresponding side camera group can obtain the required image data, and then the detection mechanism only needs to establish a data acquisition channel with the camera group.

[0042] In order to improve the detection quality, the separation mechanism 3 and the rejection mechanism 8 arranged on both sides of the trademark paper detection mechanism 6 are further included. Further, the separation of part of unqualified products between the trademark paper detection and the rejection of unqualified products after detection can be performed.

[0043] In the embodiment, the current product image can be collected in real time by using the camera, and the image data is transmitted to the image processor (i.e. on the main control board) through the connecting line. The detection software analyzes and processes the obtained image data, and outputs the detection result to the I / O control board after comparing with the template image. At the same time, the current product runs to the rejection position, and the I / O control board determines whether to output the rejection signal according to the good or bad cigarette signal output by the software. If the software outputs the bad cigarette signal, accurate and effective rejection is performed by the rejection mechanism, so as to prevent the unqualified small packets from entering the next process.

[0044] In this embodiment, it is mainly composed of high-performance industrial control computer (including RTX3060 graphics card), industrial camera and lens, main control board, high-definition display touch screen, sensor, alarm, switching power supply, circuit breaker, etc. The system adopts the i7 of the ninth generation of integrated industrial computer under the famous brand of Foxconn in Taiwan, and the overall performance should not be lower than that of Siemens, Advantech, KONTRON, etc. The industrial computer (main control computer) adopts fanless structure, the highest configuration is i7-9700 processor, processor frequency 3.2GHz, 16G memory, 128G+1000G high-speed dual solid state disk, 6 gigabit network port, RTX3060 GPU graphics card, small size, fast running speed, up to 2.4 billion operations per second, strong reliability and stability, good compatibility, effectively guaranteeing the stability of image transmission, timely and efficient image processing. The industrial computer is equipped with 128G+100G+1000G dual system disk+solid state disk, which respectively stores WIN10 operating system and detection software and a set of backup operating system and software, effectively ensuring the stability of the operating system and detection software running, providing sufficient space for saving data and data acquisition system. In addition, each user is provided with a system startup and recovery Ghost program U disk.

[0045] In order to realize the function of deep learning, the industrial computer image processing platform is built-in deep learning network framework. It can be flexibly configured according to the optional situation.

[0046] In this embodiment, the camera uses 230 million pixel color and black and white CCD camera, with high resolution, and is equipped with 500 million high-definition lens, the image texture is clear, the defect feature is obvious and visible, and the fine defect can be detected. And output through gigabit network port. The exposure opportunity of the camera is controlled by TRIG port, and the camera is exposed once for every jump of TRIG port. The TRIG port of the camera has common positive line and signal line. In the actual application process, the signal line is easy to be disturbed by electromagnetic and static electricity, which causes the camera to take pictures by mistake. Therefore, the single-chip microcomputer output signal needs to pass through photoelectric isolation first, and then pass through constant current filter, and finally the signal end is connected to the TRIG input end of the camera. It effectively prevents the mistake.

[0047] This camera uses global exposure Teledyne e2v EV76C570 CMOS photosensitive chip, transmits image data through GigE data interface, integrates I / O (GPIO) interface, provides cable locking device, can work stably in various harsh environments, and is a high-reliability and high-performance industrial digital camera product.

[0048] In order to form the light line of taking a photo, the light source is selected as the imported well-known ES brand 24V DC LED (RGB) three-color variable color spectrum light source, the blue light wavelength is 460-470nm, the color tolerance is less than 5SDCM, the service life is long, the light decay is small, the light source color temperature is 6000K, the color rendering index is not less than Ra80, and the light source has the PWM soft constant light mode, does not flicker, and does not affect the normal work of the on-site personnel. The imaging is clear, there is no light spot, and the brightness is adjustable. Meanwhile, the software automatically changes the illumination spectrum, and interference of the light sources of different stations on the camera is avoided.

[0049] The touch display screen adopts a 21-inch industrial-grade capacitive touch liquid crystal screen for centralized display, and friendly human-computer interaction can be realized, and the operation experience is good. The overall performance is not less than the performance of brands such as Haitaike, Siemens and Omron, the resolution can reach at least 1280x1024, the USB interface, the DC 12-24V working power supply, and the touch driver program (Windows system integrated driver) does not need to be installed. The touch liquid crystal screen provides a friendly man-machine interface for the user to configure and operate the system, and on the other hand, according to the user configuration, the cigarette strip image is screened, judged and defect image is traced back. Mechanically, multi-angle and multi-direction rotation can be realized, and viewing at different positions is facilitated.

[0050] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0051] The above is a further detailed description of the utility model in combination with specific preferred embodiments, and the specific embodiments of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as falling within the protection scope of the utility model.

Claims

1. A cigarette packet appearance inspection apparatus characterized by comprising: The application relates to a cigarette package separating and controlling device, which comprises, in sequence along the conveying direction of a cigarette package (1), a separating control box (2), a separating mechanism (3), a transparent paper detecting mechanism (4), a trademark paper detecting mechanism (6) and a control platform (9), wherein the transparent paper detecting mechanism (4) and the trademark paper detecting mechanism (6) are arranged at the outer periphery of a conveying mechanism (7) used for conveying the cigarette package (1) in a staggered mode; the transparent paper detecting mechanism (4) and the trademark paper detecting mechanism (6) each comprise a first camera group (41) and a second camera group (61), and the first camera group (41) and the second camera group (61) are electrically connected with the control platform.

2. The cigarette package appearance inspection apparatus according to claim 1, wherein The device further comprises a cigarette receiving box (5) and a rejecting mechanism (8) arranged at the two sides of the conveying mechanism (7), the separating mechanism (3) and the rejecting mechanism (8) are arranged at the two sides of the trademark paper detecting mechanism (6), the rejecting mechanism (8) is provided with a pushing mechanism (81), the pushing mechanism (81) is used for pushing the cigarette package (1) to separate from the conveying mechanism (7) and enter the cigarette receiving box, and the rejecting mechanism (8) is electrically connected with the control platform (9).

3. The cigarette package appearance inspection apparatus according to claim 1, wherein The transparent paper detecting mechanism (4) comprises a transparent paper detecting box (42) formed by a first light source and the first camera group (41) and a first electric control cabinet (43) used for controlling the transparent paper detecting box (42), and the transparent paper detecting box (42) and the first electric control cabinet (43) are arranged at the upper and lower sides of the conveying mechanism (7) in a staggered mode.

4. The cigarette package appearance inspection apparatus according to claim 3, wherein The projection of the separating mechanism (3) and the transparent paper detecting box (42) is located on the first electric control cabinet (43), the separating control box (2) and the separating mechanism (3) are arranged at the upper and lower sides of the conveying mechanism (7) respectively, and the separating control box (2) is arranged away from the first electric control cabinet (43).

5. The cigarette package appearance inspection apparatus according to claim 4, wherein The transparent paper detecting box (42) and the separating mechanism (3) form a first through cavity and a second through cavity with the first electric control cabinet (43) respectively, and the conveying mechanism (7) passes through the first through cavity and the second through cavity.

6. The cigarette package appearance inspection apparatus according to claim 2, wherein The rejecting mechanism (8) comprises an assembly part (71) formed by the extension of an assembly shell of the conveying mechanism (7), the assembly part (71) is provided with an electromagnetic valve (82) and a rejecting air nozzle (83) driven by the electromagnetic valve (82) and moving towards the cigarette receiving box (5).

7. The cigarette package appearance inspection apparatus according to claim 6, wherein The assembly part (71) is close to the side of the cigarette receiving box (5) and forms a guide groove (72) used for the movement of the rejecting air nozzle (83), and the extension length of the guide groove (72) is greater than the length of the cigarette package (1).

8. The cigarette package appearance inspection apparatus according to claim 1, wherein The trademark paper detecting mechanism (6) comprises a trademark paper detecting box (62) formed by a second light source and the second camera group (61) and a second electric control cabinet (63) used for controlling the trademark paper detecting box (62), and the trademark paper detecting box (62) and the second electric control cabinet (63) are arranged at the upper and lower sides of the conveying mechanism (7) in a staggered mode.

9. The cigarette package appearance inspection apparatus according to claim 1, wherein The first camera group (41) and the second camera group (61) each comprise a plurality of cameras (11) arranged at least one diagonal in front of, behind, left of and right of the conveying mechanism (7) along the direction of movement of the conveying track, and a synchronization mechanism (12) connected to the control platform (9), the synchronization mechanism (12) being used to control the start / stop of the first camera group (41) and the second camera group (61) according to the running speed of the conveying mechanism (7).

10. The cigarette package appearance inspection apparatus according to claim 1, wherein The control platform (9) and the touch display screen (10) are arranged in a staggered manner on the conveying mechanism (7).