Carton package missing detection device

Abstract

The invention provides a carton package missing detection device. The carton package missing detection device comprises a shell, a first X-ray tube, a second X-ray tube, a first X-ray detection plate, a second X-ray detection plate and a main controller, and the shell is arranged on a carton elevator; the first X-ray tube is arranged on the left side of the lower-layer strip box, and the first X-ray detection plate is arranged on the right side of the lower-layer strip box; the second X-ray tube is arranged on the right side of the upper-layer strip box, and the second X-ray detection plate is arranged on the left side of the upper-layer strip box; the first X-ray tube, the second X-ray tube, the first X-ray detection plate and the second X-ray detection plate are electrically connected with the main controller respectively; an incremental encoder is arranged on a motor shaft of the carton elevator, the incremental encoder is used for detecting the running speed of a conveying chain of the carton elevator, the incremental encoder is electrically connected with a main controller, and the main controller is electrically connected with a removing mechanism of the carton elevator. According to the invention, the leak detection phenomenon can be effectively avoided, the detection blind area is effectively eliminated, and the detection accuracy is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of cigarette production, and in particular relates to a device for detecting missing packs in a carton. Background Art

[0002] In the prior art, many detection devices are used, such as weighing type carton missing pack detection devices, photoelectric type carton missing pack detection devices, etc. However, these detection devices are prone to missed detection, which makes some missing packs flow into the market, affecting the image of cigarette companies. Therefore, how to design a carton missing pack detection device to avoid missed detection has become a technical problem that technicians in this field need to solve urgently. Summary of the invention

[0003] The purpose of the present invention is to provide a device for detecting package shortage in a strip box to solve the above-mentioned technical problems in the prior art.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A device for detecting missing packages in a strip box, comprising a shell and a first X-ray tube, a second X-ray tube, a first X-ray detection plate, a second X-ray detection plate, and a main controller arranged in the shell, wherein the shell is arranged on a strip box elevator; the first X-ray tube is arranged on the left side of a lower strip box on the conveying chain of the strip box elevator, and the first X-ray detection plate is arranged on the right side of the lower strip box; the second X-ray tube is arranged on the right side of an upper strip box on the conveying chain of the strip box elevator, and the second X-ray detection plate is arranged on the left side of the upper strip box; the first X-ray tube, the second X-ray tube, the first X-ray detection plate and the second X-ray detection plate are electrically connected to the main controller respectively; an incremental encoder is arranged on the motor shaft of the strip box elevator, the incremental encoder is used to detect the running speed of the conveying chain, the incremental encoder is electrically connected to the main controller, and the main controller is electrically connected to a rejection mechanism arranged at a rejection port of the strip box elevator.

[0006] Preferably, the incremental encoder is fixedly connected to the motor shaft of the box elevator through a coupling.

[0007] Preferably, the rays emitted by the first X-ray tube and the second X-ray tube are both soft X-rays.

[0008] Preferably, a waste box is provided below the reject port.

[0009] Preferably, it also includes a touch screen electrically connected to the main controller.

[0010] Preferably, it also includes an alarm, which is electrically connected to the main controller.

[0011] Preferably, the alarm is a warning light.

[0012] Preferably, the main controller controls the rejection solenoid valve of the rejection mechanism and the alarm light through a relay to achieve rejection and alarm.

[0013] The beneficial effects of the present invention are:

[0014] The device for detecting cigarette pack shortage in a box of the present invention, when in use, uses the rays emitted by two X-ray tubes to respectively scan the upper box and the lower box throughout the entire process when the upper box and the lower box pass by, so as to better detect whether cigarette packs are missing in the upper box and the lower box, thereby effectively avoiding missed detection. At the same time, since the first X-ray tube is arranged on the left side of the lower box, the first X-ray detection plate is arranged on the right side of the lower box, the second X-ray tube is arranged on the right side of the upper box, and the second X-ray detection plate is arranged on the left side of the upper box, the two X-ray tubes are respectively located on different sides of the upper and lower boxes, thereby better avoiding mutual interference; and, it is possible to effectively eliminate detection blind spots and improve detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the embodiments, and further describe the specific embodiments of the present invention in detail in conjunction with the drawings, wherein

[0016] Figure 1 A schematic diagram of the arrangement positions of the first X-ray tube and the second X-ray tube provided in an embodiment of the present invention;

[0017] Figure 2 A schematic diagram of the setting position of the box lacking package detection device provided in an embodiment of the present invention.

[0018] Markings in the accompanying drawings:

[0019] 11. a first X-ray tube, 12. a first X-ray detection plate;

[0020] 21. a second X-ray detection plate, 22. a second X-ray tube;

[0021] 31, lower bar box, 32, upper bar box;

[0022] 41. Strip box missing package detection device; 51. Strip box elevator. DETAILED DESCRIPTION

[0023] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless otherwise specifically stated.

[0024] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0025] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0026] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0027] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a strip box missing package detection device 41, which includes a shell and a first X-ray tube 11, a second X-ray tube 22, a first X-ray detection plate 12, a second X-ray detection plate 21, and a main controller arranged in the shell, the shell is arranged on a strip box elevator 51; the first X-ray tube 11 is arranged on the left side of the lower strip box on the conveying chain of the strip box elevator, the first X-ray detection plate 12 is arranged on the right side of the lower strip box 31 and opposite to the first X-ray tube 11; the second X-ray tube is arranged on the conveying chain of the strip box elevator on the right side of the upper bar box 32, the second X-ray detection plate is arranged on the left side of the upper bar box 32 and opposite to the second X-ray tube 22; the first X-ray tube, the second X-ray tube, the first X-ray detection plate 12 and the second X-ray detection plate 21 are electrically connected to the main controller respectively; an incremental encoder is arranged on the motor shaft of the bar box elevator, and the incremental encoder is used to detect the running speed of the conveyor chain, the incremental encoder is electrically connected to the main controller, and the main controller is electrically connected to a rejection mechanism arranged at the rejection port of the bar box elevator.

[0028] The device for detecting cigarette pack shortage in a box provided by an embodiment of the present invention, when in use, uses the rays emitted by two X-ray tubes to respectively scan the upper box and the lower box throughout the entire process when the upper box and the lower box pass by, so as to better detect whether there are cigarette pack shortages in the upper box and the lower box, thereby effectively avoiding missed detection. At the same time, since the first X-ray tube is arranged on the left side of the lower box 31, the first X-ray detection plate 12 is arranged on the right side of the lower box, the second X-ray tube is arranged on the right side of the upper box, and the second X-ray detection plate is arranged on the left side of the upper box 32, the two X-ray tubes are respectively located on different sides of the upper and lower boxes, thereby better avoiding mutual interference; and, it is possible to effectively eliminate the detection blind area and improve the detection accuracy.

[0029] Furthermore, the incremental encoder is fixedly connected to the motor shaft of the box elevator 51 through a coupling, thereby conveniently realizing the connection between the incremental encoder and the motor shaft. It can be understood that by using the incremental encoder to detect the running speed of the conveyor chain, the accurate running speed of the box can be obtained to ensure accurate detection and rejection.

[0030] Specifically, the rays emitted by the first X-ray tube and the second X-ray tube are both soft X-rays. Among them, soft X-rays (also called weak photons) are electromagnetic waves between ultraviolet rays and gamma rays, with a wavelength range of 0.01 nanometers to 10 nanometers, corresponding to a frequency range of 30PHz to 30EHz; soft X-rays have low energy and strong penetrability while causing minimal harm to the human body. Utilizing the attenuation characteristic of weak photons (whose spectrum is near ultraviolet rays) when penetrating objects, the main controller analyzes the intensity of the rays obtained by the X-ray detection board after the weak photons penetrate the strip box to determine whether there is a missing package problem in the strip box.

[0031] Preferably, the device further includes a high-voltage power supply controller, whose function is to control the high-voltage signal and the current of the filament of the transmitting tube, as well as to receive the setting data of the main controller and feed the data back to the main controller in real time. The function of the two X-ray detection boards is to convert the intensity of the X-rays received after penetrating the cigarette carton into an electrical signal and output it to the main controller; the carton elevator 51 is located between the outlet of the packaging machine and the elevated carton conveyor belt.

[0032] Furthermore, a waste box is provided below the rejection port, so that the strip boxes rejected by the rejection mechanism can directly fall into the waste box and be collected.

[0033] Specifically, the cartridge lacking package detection device further comprises a touch screen electrically connected to the main controller, so that human-computer interaction with the main controller can be conveniently performed through the touch screen.

[0034] Furthermore, the strip box lacking package detection device also includes an alarm, and the alarm is electrically connected to the main controller. With this solution, when the number of rejections reaches a certain value, it indicates that the waste box is full, and the main controller will control the alarm to start alarming, reminding the staff to empty the waste box in time.

[0035] Preferably, the alarm is an alarm light. With this solution, when a strip box is rejected, the main controller controls the alarm light to flash. If a certain number of strip boxes, such as three or six strip boxes, are rejected cumulatively, the main controller controls the alarm light to be always on to remind the staff to empty the waste box in time. At this time, the main controller can also control the strip box elevator to stop until the staff empties the waste box and resets the strip box elevator, and then the strip box elevator can run again.

[0036] Specifically, the main controller controls the reject solenoid valve of the reject mechanism and the alarm light through a relay to achieve the reject and alarm functions.

[0037] In a specific embodiment, the incremental encoder can use the LIKA brand 158-L-2000ZCZ16R encoder, which is installed using a clamping flange, with a maximum shaft load (axial, radial) force of 100 N, shaft speed: typical value 6000 rpm / temporary 12000 rpm, resolution up to 10000ppr, HTL and sine / cosine output circuit, with strong anti-interference ability. The main controller can be an AMKN series E8600 industrial control board, with relevant parameters: chip STM32F107VC; 4 RS232 interfaces; 1 opto-isolated RS485; 1 CAN interface; 8 12-bit AD conversion inputs; 2 12-bit DA conversion outputs; 8 opto-isolated digital I / Os; 2 high-speed PWM pulse outputs and 2 high-speed pulse inputs.

[0038] The present invention can meet the detection requirements of ultra-high-speed packaging units, adopts soft X-rays, the spectrum is near ultraviolet rays, the working voltage is: 14KV~18KV, the working current is: ≤ 1mA, and the radiation level meets the relevant standards required by the state; at the same time, the present invention adopts staggered dual soft X-ray tube irradiation and dual soft X-ray detection plates, which can eliminate detection blind spots and improve detection accuracy, and the ray tubes are easy to replace without adjusting the emission angle; and the present invention has the function of automatically rejecting defective strip boxes, automatically and accurately rejecting the missing strip boxes and collecting them in the waste box. When the number of rejections accumulates to a certain value, the elevator stops and the alarm light is always on.

[0039] Although some specific embodiments of the present invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A device for detecting missing packages in a box, characterized in that: It includes a shell and a first X-ray tube, a second X-ray tube, a first X-ray detection plate, a second X-ray detection plate, and a main controller arranged in the shell, wherein the shell is arranged on a strip box elevator; the first X-ray tube is arranged on the left side of a lower strip box on a conveying chain of the strip box elevator, and the first X-ray detection plate is arranged on the right side of the lower strip box; The second X-ray tube is arranged on the right side of the upper strip box on the conveying chain of the strip box elevator, and the second X-ray detection plate is arranged on the left side of the upper strip box; The first X-ray tube, the second X-ray tube, the first X-ray detection plate and the second X-ray detection plate are electrically connected to the main controller respectively; an incremental encoder is arranged on the motor shaft of the box elevator, and the incremental encoder is used to detect the running speed of the conveyor chain. The incremental encoder is electrically connected to the main controller, and the main controller is electrically connected to a rejection mechanism arranged at the rejection port of the box elevator.

2. The device for detecting missing packages in a cartridge according to claim 1, characterized in that: The incremental encoder is fixedly connected to the motor shaft of the box elevator through a coupling.

3. The device for detecting missing packs in a cartridge according to claim 1, characterized in that: The rays emitted by the first X-ray tube and the second X-ray tube are both soft X-rays.

4. The device for detecting missing packs in a cartridge according to claim 1, characterized in that: A waste box is arranged below the rejecting port.

5. The device for detecting missing packs in a cartridge according to any one of claims 1 to 4, characterized in that: It also includes a touch screen electrically connected to the main controller.

6. The device for detecting missing packs in a cartridge according to claim 4, characterized in that: It also includes an alarm, which is electrically connected to the main controller.

7. The device for detecting missing packs in a cartridge according to claim 6, characterized in that: The alarm is a warning light.

8. The device for detecting missing packs in a cartridge according to claim 7, characterized in that: The main controller controls the reject solenoid valve of the reject mechanism and the alarm light through a relay to achieve rejection and alarm.

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