CN202033005U - Cigarette case appearance detection equipment - Google Patents

Abstract

The utility model discloses a cigarette case appearance detection device, aiming to provide a cigarette case appearance detection device with fast detection speed and high detection precision, which comprises a detection device and a rejecting actuator, and the detection device includes an inner rail The detection device and the outer rail detection device, the inner rail detection device and the outer rail detection device both include: a light source for illuminating the cigarette case; An image acquisition module, which outputs the collected image signal of the appearance of the cigarette case; the detection device also includes an image processing and control module connected with the inner rail detection device, the outer rail detection device and the rejecting actuator, which receives the cigarette case The appearance image signal is enhanced, analyzed and judged on the received cigarette case appearance image signal, and then a control signal is output to the rejecting actuator to control the rejecting actuator to reject unqualified cigarette packs. The utility model can be used for the appearance detection of various cigarette cases.

Description

A cigarette case appearance inspection equipment

technical field

The utility model relates to tobacco machinery, in particular to a cigarette case appearance detection device.

Background technique

In the process of producing cigarette boxes, due to various reasons, there are inevitably flaws in the appearance of cigarette boxes. Therefore, the appearance inspection of the produced cigarette boxes must be carried out. The existing cigarette box appearance inspection equipment can already detect small packet seals online. Position, seal shape, label paper pattern, label paper position and status, cigarette pack shape, etc., can also remove unqualified cigarette packs. However, the existing cigarette case appearance testing equipment usually only has one detection track, and can only perform single-track detection, and the detection speed is slow.

Utility model content

The utility model provides a cigarette case appearance detection device in order to solve the technical problems that the prior art cigarette case appearance detection equipment usually only has one detection track, can only perform single-track detection, and the detection speed is slow.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is to design a cigarette case appearance detection device, which includes a detection device for detecting the appearance of the cigarette case and a detection device connected with the detection device and according to the detection of the detection device. As a result, the rejecting actuator of the unqualified cigarette case is eliminated, and the detection device includes an inner rail detection device and an outer rail detection device, and the inner rail detection device and the outer rail detection device both include:

A light source for illuminating cigarette packs;

An image acquisition module corresponding to the light source and collecting the appearance image of the cigarette case when the light source illuminates the cigarette case, which outputs the collected appearance image signal of the cigarette case;

The detection device also includes an image processing and control module connected with the inner rail detection device, the outer rail detection device and the rejecting actuator, which receives the cigarette case appearance image signal and performs After strengthening, analyzing and judging, a control signal is output to the rejecting actuator, and the rejecting actuator is controlled to reject unqualified cigarette packs.

The light source is an LED light source, and the detection device further includes a strobe control module connected with the LED light source and used to control the flicker frequency of the LED light source.

The light source of the inner rail detection device includes a first light source and a second light source that are lit sequentially, a third light source and a fourth light source that are lit sequentially, and the first light source and the third light source are synchronized, and the second light source and the second light source are The four light sources are synchronized, and the image acquisition module includes a first image acquisition module corresponding to the first light source, a second image acquisition module corresponding to the second light source, and a third image acquisition module corresponding to the third light source module and a fourth image acquisition module corresponding to the fourth light source; the light source of the outer rail detection device includes a fifth light source and a sixth light source that are lit in sequence, a seventh light source and an eighth light source that are lit in sequence, and The fifth light source is synchronized with the seventh light source, the sixth light source is synchronized with the eighth light source, and the image acquisition module includes a fifth image acquisition module corresponding to the fifth light source, and a sixth image acquisition module corresponding to the sixth light source. An image acquisition module, a seventh image acquisition module corresponding to the seventh light source, and an eighth image acquisition module corresponding to the eighth light source.

The image processing and control module includes a dual-chip image processor.

The image acquisition module is an image sensor.

The cigarette case appearance inspection equipment includes a guide rail and a detection box arranged on the guide rail, and the guide rail includes an inner guide rail corresponding to the inner rail detection device, an outer guide rail corresponding to the outer rail detection device, and an outer guide rail arranged on the outer rail detection device. The inner and outer guide rails are on both sides and separate the inner and outer guide rails; the detection box includes an inner rail light source bracket corresponding to the inner rail, and an inner rail corresponding to the inner rail. The inner rail camera bracket, the outer rail light source bracket corresponding to the outer rail, and the outer rail camera bracket corresponding to the outer rail.

One end of the guide rail is hinged to the detection box, and the other end is provided with a front support frame protruding from the guide rail and used to fix the detection box.

The detection box is respectively provided with an outer pressing cigarette rod directly above the inner guide rail and the outer guide rail to prevent the cigarette case from jumping out of the guide rail.

Both the inner rail light source bracket and the outer rail light source bracket include a first light source bracket and a second light source bracket arranged front and back, the first light source bracket is provided with a white LED light source, and the second light source bracket is provided with a blue LED light source light source.

The utility model carries out double-track detection on the cigarette case by setting an inner rail detection device and an outer rail detection device, thereby improving the detection speed of the cigarette case appearance detection equipment. At the same time, the light source is synchronized with the image acquisition module, and the image processing and control module is set to perform image processing while collecting images, thereby further improving the detection speed and detection accuracy.

Description of drawings

The utility model is described in detail below in conjunction with embodiment and accompanying drawing, wherein:

Fig. 1 is a block diagram of the composition of the utility model cigarette case appearance detection equipment;

Fig. 2 is the working flow diagram of the inner rail detection device of the cigarette case appearance detection device of the present invention;

Fig. 3 is a working flow chart of the outer rail detection device of the cigarette case appearance detection device of the present invention;

Fig. 4 is a structural diagram of the cigarette case appearance testing device of the present invention.

Detailed ways

The working principle of the cigarette case appearance detection device of the utility model is: under the control of the PLC program, when the synchronous sensor is triggered, the image sensor completes the image acquisition of the appearance of the small cigarette case under the cooperation of the light source, and the collected The image is converted into a digital signal, and the image processor performs image processing and analysis according to the set program, and sends the result to the PLC. After the logical judgment of the PLC program, the removal actuator is driven to complete the removal of defective cigarette packs.

See Figure 1. The cigarette case appearance inspection device of the utility model comprises a detection device for detecting the appearance of the cigarette case and a rejecting executive mechanism connected with the detection device and rejecting unqualified cigarette cases according to the detection result of the detection device. The reject actuator is FOCKE FX2. in:

The detection device includes an inner rail detection device, an outer rail detection device, and an image processing and control module connected with the inner rail detection device, the outer rail detection device and the rejecting actuator, wherein the inner rail detection device and the outer rail detection The devices all include a light source and an image acquisition module, that is, an inner track light source and an inner track image acquisition module corresponding to the inner track light source, an outer track light source and an outer track image acquisition module corresponding to the outer track light source.

The light source is mainly used to illuminate the cigarette pack during inspection. The light source is an LED light source, and the light source adopts a high-power LED lamp group. The detection device also includes a strobe control module connected with the LED light source and used to control the flicker frequency of the LED light source, so as to control the strobe of the LED light source to prolong its service life. The stability of the cigarette box appearance inspection equipment is improved.

The image acquisition module corresponds to the light source, and when the light source illuminates the cigarette case, it synchronously collects the appearance image of the cigarette case, and outputs the collected image signal of the appearance of the cigarette case to the image processing and control module. The image acquisition module is an image sensor, which can adopt the fastest image sensor in the world at present, and the image acquisition of 300,000 pixels only takes 4.7 milliseconds.

The image processing and control module is mainly used to process the collected image signal of the appearance of the cigarette case, and output the control signal according to the processing result to control the removal of the actuator to remove the unqualified cigarette case. The image processing and control module is connected with the image acquisition module and the elimination actuator, which receives the image signal of the appearance of the cigarette case, enhances, analyzes and judges the received image signal of the appearance of the cigarette case, and then outputs a control signal to the elimination execution Mechanism, the control and removal executive mechanism removes unqualified cigarette packs, and can obtain the running speed of cigarette packs in real time, which can effectively improve the accuracy of removal. The image processing and control module includes a dual-chip image processor, which uses dual-chip processing for the collected image signal of the appearance of the cigarette case, and can process the image while collecting the image. Image processing adds image preprocessing function, which can effectively filter noise interference.

In this specific embodiment, the light source of the inner rail detection device includes a first light source and a second light source that are turned on in sequence, a third light source and a fourth light source that are turned on in sequence, and the first light source and the third light source synchronization, the second light source is synchronized with the fourth light source, and the image acquisition module includes a first image acquisition module corresponding to the first light source, a second image acquisition module corresponding to the second light source, and the third image acquisition module The third image acquisition module corresponding to the light source and the fourth image acquisition module corresponding to the fourth light source; the light source of the outer track detection device includes the fifth light source and the sixth light source that are lit in sequence, and the seventh light source that is lit in sequence light source and the eighth light source, and the fifth light source is synchronized with the seventh light source, the sixth light source is synchronized with the eighth light source, the image acquisition module includes a fifth image acquisition module corresponding to the fifth light source, and the A sixth image acquisition module corresponding to the sixth light source, a seventh image acquisition module corresponding to the seventh light source, and an eighth image acquisition module corresponding to the eighth light source. . Due to the large number of image sensors, the distortion rate of acquired images is reduced, thereby further improving detection accuracy.

The working process of the inner rail detection device of the utility model cigarette case appearance detection device is shown in Fig. 2 . After starting up, the automatic feeding will send the cigarette packs to the inspection station, and then light up the first group of light sources. At the same time, the first group of cameras captures images synchronously to collect the appearance images of the cigarette packs, and outputs the collected first set of cigarette packs. Appearance image signal. At the same time, the third group of light sources is turned on, and at the same time, the third group of cameras synchronously captures images of the appearance of the cigarette case, and outputs the collected third group of images of the appearance of the cigarette case. Then, turn on the second group of light sources, and at the same time, the second group of cameras captures images synchronously to collect the appearance image of the cigarette case, and outputs the collected image signal of the second group of cigarette case appearance, and lights up the fourth group of light sources at the same time. At the same time, the fourth group of cameras synchronously captures images of the appearance of the cigarette case, and outputs the collected fourth group of images of the appearance of the cigarette case. . Both groups of cigarette case appearance image signals are input to the image processing and control module, and the internal visual software performs image enhancement, analysis, and judgment. When the judgment result is that the product is qualified, an OK signal is output, and the detection is stopped. When the judgment result is that the product is unqualified, an NG signal is output to the rejecting actuator to control the rejecting actuator to reject the detected unqualified cigarette packs.

The working process of the outer rail detection device of the utility model cigarette case appearance detection device is shown in Fig. 3 . After starting up, the automatic feeding will send the cigarette packs to the detection station, and then light up the fifth group of light sources. At the same time, the fifth group of cameras captures images synchronously to collect the appearance images of the cigarette packs, and outputs the collected fifth group of cigarette packs. Appearance image signal. At the same time, the seventh group of light sources is turned on, and at the same time, the seventh group of cameras captures images synchronously to collect the appearance image of the cigarette case, and outputs the collected image signal of the seventh group of cigarette case appearance. Then, turn on the sixth group of light sources, and at the same time, the sixth group of cameras captures images synchronously to collect the appearance image of the cigarette case, and outputs the collected image signal of the sixth group of cigarette case, and at the same time lights up the eighth group of light sources, click At the same time, the eighth group of cameras synchronously captures images of the appearance of the cigarette case, and outputs the collected eighth group of image signals of the appearance of the cigarette case. . Both groups of cigarette case appearance image signals are input to the image processing and control module, and the internal visual software performs image enhancement, analysis, and judgment. When the judgment result is that the product is qualified, an OK signal is output, and the detection is stopped. When the judgment result is that the product is unqualified, an NG signal is output to the rejecting actuator to control the rejecting actuator to reject the detected unqualified cigarette packs.

See Figure 4. The cigarette box appearance testing device of the utility model comprises a guide rail 1 and a detection box 2 arranged on the guide rail. in,

The guide rail 1 is mainly used to make the cigarette pack run on a normal track. It includes an inner guide rail 11 corresponding to the inner rail detection device, an outer guide rail 12 corresponding to the outer rail detection device, and an The guide rail protection bar 13 of guide rail. The rail guard is mainly used to prevent misalignment of the cigarette case.

The detection box 2 includes an inner rail light source bracket 21 corresponding to the inner rail, an inner rail camera bracket 22 corresponding to the inner rail, an outer rail light source bracket 23 corresponding to the outer rail, and an outer rail light source bracket 23 corresponding to the outer rail. The outer rail camera bracket 24 corresponding to the rail. The inner rail light source bracket 21 and the outer rail light source bracket 23 are mainly used for fixing the light source, and the inner rail camera bracket 22 and the outer rail camera bracket 24 are mainly used for fixing the image sensor, which is a camera in this specific embodiment.

One end of the guide rail 1 is hinged to the hinge 25 on the detection box 2 through the hinge on the hinge support plate 14, and the other end of the guide rail 1 is provided with a front support frame 15 protruding from the guide rail and used to fix the detection box.

The detection box 2 is respectively provided with an outer pressing cigarette rod 26 which prevents the cigarette box from jumping out of the guide rail directly above the inner guide rail and the outer guide rail. The external pressure cigarette rod is mainly used to prevent the cigarette box from jumping out of the guide rail due to vibration.

Both the inner rail light source bracket and the outer rail light source bracket include a first light source bracket 27 and a second light source bracket 28 arranged front and back, the first light source bracket is provided with a white LED light source, and the second light source bracket is provided with a blue LED light source. light source.

The cigarette case appearance detection equipment of the utility model adopts the simultaneous detection of the inner and outer double tracks. Compared with the existing equipment, the detection accuracy and detection stability are greatly improved, the maintenance intensity of the equipment, the maintenance cost and the labor intensity of the operator are reduced, and the automation of the equipment is improved. degree.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (9)

1. A cigarette case appearance detection device comprises a detection device for detecting the appearance of a cigarette case and an eliminating actuating mechanism which is connected with the detection device and eliminates unqualified cigarette cases according to the detection result of the detection device, and is characterized in that: detection device includes interior rail detection device and outer rail detection device, interior rail detection device and outer rail detection device all include:

a light source for illuminating the cigarette pack;

the image acquisition module corresponds to the light source and acquires the cigarette case appearance image when the light source illuminates the cigarette case, and outputs an acquired cigarette case appearance image signal;

the detection device also comprises an image processing and control module which is connected with the inner rail detection device, the outer rail detection device and the removing execution mechanism, receives the cigarette case appearance image signal, enhances, analyzes and judges the received cigarette case appearance image signal, outputs a control signal to the removing execution mechanism, and controls the removing execution mechanism to remove unqualified cigarette cases.

2. The cigarette pack appearance detecting apparatus according to claim 1, wherein: the light source is an LED light source, and the detection device further comprises a stroboscopic control module which is connected with the LED light source and is used for controlling the flickering frequency of the LED light source.

3. The cigarette pack appearance detecting apparatus according to claim 1, wherein: the light source of the inner rail detection device comprises a first light source, a second light source, a third light source and a fourth light source which are sequentially lightened, the first light source and the third light source are synchronous, the second light source and the fourth light source are synchronous, and the image acquisition module comprises a first image acquisition module corresponding to the first light source, a second image acquisition module corresponding to the second light source, a third image acquisition module corresponding to the third light source and a fourth image acquisition module corresponding to the fourth light source; the light source of the outer rail detection device comprises a fifth light source, a sixth light source, a seventh light source and an eighth light source which are sequentially lightened, the fifth light source and the seventh light source are synchronous, the sixth light source and the eighth light source are synchronous, and the image acquisition module comprises a fifth image acquisition module corresponding to the fifth light source, a sixth image acquisition module corresponding to the sixth light source, a seventh image acquisition module corresponding to the seventh light source and an eighth image acquisition module corresponding to the eighth light source.

4. The cigarette pack appearance detecting apparatus according to claim 1, wherein: the image processing and control module comprises a dual-chip image processor.

5. The cigarette pack appearance detecting apparatus according to claim 1, wherein: the image acquisition module is an image sensor.

6. The cigarette pack appearance detecting apparatus according to claim 1, wherein: the cigarette case appearance detection equipment comprises a guide rail and a detection box arranged on the guide rail, wherein the guide rail comprises an inner guide rail corresponding to the inner rail detection device, an outer guide rail corresponding to the outer rail detection device and guide rail guard strips which are arranged on two sides of the inner guide rail and the outer guide rail and separate the inner guide rail from the outer guide rail; the detection box comprises an inner rail light source support corresponding to the inner rail, an inner rail camera support corresponding to the inner rail, an outer rail light source support corresponding to the outer rail and an outer rail camera support corresponding to the outer rail.

7. The cigarette pack appearance detecting apparatus according to claim 6, wherein: one end of the guide rail is hinged with the detection box, and the other end of the guide rail is provided with a front support frame which protrudes out of the guide rail and is used for fixing the detection box.

8. The cigarette pack appearance detecting apparatus according to claim 6, wherein: and the detection box is provided with an external cigarette pressing rod which is used for preventing the cigarette case from jumping out of the guide rail respectively right above the inner guide rail and the outer guide rail.

9. The cigarette pack appearance detecting apparatus according to claim 6, wherein: the inner rail light source support and the outer rail light source support respectively comprise a first light source support and a second light source support which are arranged in the front and at the back, a white light LED light source is arranged on the first light source support, and a blue light LED light source is arranged on the second light source support.

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