Milk powder box bar code mistake-proofing detection device

Abstract

The utility model belongs to the technical field of product detection, and discloses a milk powder box bar code error-proofing detection device which comprises a rack, a conveying belt arranged on the rack, a box unpacking machine, a bar code information acquisition device, a rejection device, a display touch screen and a PLC (Programmable Logic Controller), the case unpacking machine is arranged at the inlet end of the conveying belt, the bar code information collecting device is arranged at a bar code detecting station of the conveying belt, the removing device is arranged at a removing station of the conveying belt, and the bar code detecting station and the removing station are sequentially arranged on the conveying belt in the conveying direction of the conveying belt. The case unpacking machine, the bar code information collecting device, the removing device and the display touch screen are electrically connected with the PLC. The bar code error-proofing detection device is used for performing bar code error-proofing detection on milk powder boxes on the transmission belt behind the box unpacking machine and removing wrong boxes, is simple in structure, reduces the burden of manual error detection, and improves the efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of product detection and relates to a milk powder box bar code error prevention detection device. Background Art

[0002] After milk powder is stored in cans, it needs to be packaged in milk powder boxes for sale. During the production process, the weight and grade of milk powder cans of different specifications in the same series are different, but the size and color of the packaging boxes used for milk powder cans of different specifications in the same series are almost the same. The only difference is the weight and grade of each milk powder can marked on the packaging box. Therefore, if the staff does not observe carefully when receiving the packaging box, it is very easy to receive the wrong one. If the staff does not check it in time, the wrong milk powder box will flow into the milk powder can packaging section, which will cause the weight and grade of the milk powder can marked on the milk powder box to be inconsistent with the actual weight and grade of the milk powder can, resulting in market complaints.

[0003] In order to reduce the number of complaints, some barcode detection systems for packaging boxes are currently used in the market, such as the Chinese utility model patent with authorization announcement number CN202429409U, which discloses a cigarette box brand wrong box detection system, including: a carton sealer, a barcode detector and a controller. The barcode detector is installed at the entrance of the carton sealer to detect the barcode on the cigarette box. The controller is connected to the carton sealer and the barcode detector. Although the wrong box detection system can perform real-time detection of the barcode on the box entering the carton sealer through the barcode detector, and send the detection results to the controller for comparison to determine whether it is a wrong box, the wrong box detection system manually moves the wrong packaging box after the wrong box is found, which is inefficient. In addition, the wrong box detection system is carried out in the packaging section. If a wrong box is found, the products in the packaging box need to be taken out and repackaged, which is time-consuming and laborious. Utility Model Content

[0004] The purpose of the utility model is to provide a milk powder box barcode error prevention detection device. By arranging a barcode information collection device and a rejection device on a conveyor belt, the barcode of the milk powder box can be automatically photographed and compared. When the barcode of the milk powder box is wrong, it will be rejected, thereby improving production efficiency.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A milk powder box barcode error-proofing detection device, comprising a frame and a conveyor belt arranged on the frame, and also comprising a box opener, a barcode information collection device, a rejection device, a display touch screen and a PLC controller;

[0007] The box opener is arranged at the entrance end of the conveyor belt, the barcode information collection device is arranged at the barcode detection station of the conveyor belt, the rejection device is arranged at the rejection station of the conveyor belt, and the barcode detection station and the rejection station are arranged on the conveyor belt in sequence along the conveying direction of the conveyor belt;

[0008] The box opener, barcode information collection device, rejection device and display touch screen are all electrically connected to the PLC controller respectively.

[0009] As a limitation, the barcode information collection device includes a first photoelectric sensor for detecting whether the milk powder box has reached the barcode detection station, a camera for taking pictures of the barcode of the milk powder box, and a box-blocking cylinder for blocking the milk powder box;

[0010] The first photoelectric sensor is arranged at a side of the barcode detection station close to the box opener and fixed to the side wall of the frame through a first vertical support rod, the camera is arranged between the first photoelectric sensor and the box-blocking cylinder and fixed to the side wall of the frame through a second vertical support rod, and the box-blocking cylinder is arranged at a side of the barcode detection station far from the box opener and fixed to the side wall of the frame through a third vertical support rod;

[0011] The first photoelectric sensor, the camera and the gear box cylinder are electrically connected to the PLC controller respectively.

[0012] As a further limitation, a sliding mechanism is further provided between the second support rod and the side wall of the frame, the sliding mechanism comprising a slide rail transversely provided on the side wall of the frame and a slider slidably engaged on the slide rail; the second support rod is fixed on the slider.

[0013] As a second limitation, the rejection device includes a second photoelectric sensor for detecting whether the milk powder box reaches the rejection station, a rejection cylinder, and a rejection platform for temporarily storing the milk powder box;

[0014] The second photoelectric sensor is fixed on the side wall of the frame through a fourth vertical support rod, the reject cylinder is fixed on the side wall of the frame through a fifth vertical support rod, and the reject cylinder and the reject platform are respectively arranged on both sides of the conveyor belt and in corresponding positions;

[0015] The second photoelectric sensor and the reject cylinder are electrically connected to the PLC controller respectively.

[0016] As a further limitation, brackets are fixedly provided on both sides above the frame, and openings are provided at positions of the brackets corresponding to the rejection platform for allowing the milk powder boxes to pass through when the milk powder boxes are rejected.

[0017] As a third limitation, a third photoelectric sensor is provided at the rear of the rejection device, the third photoelectric sensor is fixed on the side wall of the frame through a vertical sixth support rod, and the third photoelectric sensor is electrically connected to the PLC controller.

[0018] As a fourth limitation, it also includes an audible and visual alarm device, which is electrically connected to the PLC controller.

[0019] As the utility model adopts the above technical solution, compared with the prior art, the technical progress achieved is:

[0020] (1) The utility model is provided with a barcode information collection device and a rejection device behind the box opener. The barcode information collection device can take real-time photos of the barcodes of the milk powder boxes on the conveyor belt, and send the collected barcode information to the PLC controller. The PLC controller compares the barcode information with the pre-set barcodes in real time and bit by bit to determine whether there is a wrong box. If there is a wrong box, the PLC controller controls the rejection device to reject the wrong box, which can effectively prevent the problem of wrong boxes, ensure the normal operation of production, and improve production efficiency;

[0021] (2) The barcode information collection device in the utility model includes a first photoelectric sensor, a camera and a box-stop cylinder. When the first photoelectric sensor detects that the milk powder box has arrived at the barcode detection station, the information of arriving at the barcode detection station is sent to the PLC controller. The PLC controller controls the extended end of the box-stop cylinder to extend to block the milk powder box from moving forward on the conveyor belt. Then, the PLC controller controls the camera to take a real-time photo of the barcode of the milk powder box, and sends the collected barcode information to the PLC controller for comparison.

[0022] (3) The rejection device in the utility model includes a second photoelectric sensor, a rejection cylinder and a rejection platform. When the second photoelectric sensor detects that the milk powder box has arrived at the rejection station, it sends the arrival information of the rejection station to the PLC controller. If it is a wrong box, the PLC controller controls the extended end of the rejection cylinder to extend and reject the milk powder box to the rejection platform. Compared with manually moving the wrong packaging box, the efficiency is improved;

[0023] (4) The utility model is provided with a third photoelectric sensor behind the rejection device. When the third photoelectric sensor detects that the milk powder box is blocked on the conveyor belt for more than a preset time, a box blocking signal is sent to the PLC controller, and the PLC controller controls the box opener to automatically stop running. After the box blocking signal disappears, the PLC controller controls the box opener to start running again.

[0024] (5) The utility model has a simple structure and high accuracy, which greatly reduces the burden of manual error detection.

[0025] In summary, the utility model is used for anti-error detection of barcodes on milk powder boxes on the transmission belt behind the box opener and for rejecting wrong boxes. It has a simple structure, reduces the burden of manual error detection and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1Shown is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0027] Figure 2 The figure shows a schematic diagram of the structure of a milk powder box reaching a barcode detection station in Embodiment 1 of the present utility model;

[0028] Figure 3 The figure is a schematic diagram of the structure of the milk powder box reaching the rejection station in Example 1 of the utility model;

[0029] Figure 4 Shown is a schematic diagram of the structure of Embodiment 2 of the present utility model;

[0030] In the figure: 1. frame; 2. conveyor belt; 3. carton opener; 4. barcode detection station; 5. rejection station; 6. first photoelectric sensor; 7. camera; 8. box-blocking cylinder; 9. first support rod; 10. second support rod; 11. third support rod; 12. second photoelectric sensor; 13. rejection cylinder; 14. rejection platform; 15. fourth support rod; 16. fifth support rod; 17. bracket; 18. slide rail; 19. slider; 20. third photoelectric sensor; 21. sixth support rod. DETAILED DESCRIPTION

[0031] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0032] Embodiment 1 A milk powder box barcode error-proofing detection device

[0033] like Figure 1 As shown, this embodiment is a milk powder box barcode error prevention detection device, including a frame 1 and a conveyor belt 2 arranged on the frame 1, and also including a box opener 3, a barcode information collection device, a rejection device, a display touch screen, an audible and visual alarm device and a PLC controller. The box opener 3, the barcode information collection device, the rejection device, the display touch screen and the audible and visual alarm device are electrically connected to the PLC controller respectively. The audible and visual alarm device uses an audible and visual alarm lamp, the box opener 3 is arranged at the entrance end of the conveyor belt 2, and the box outlet of the box opener 3 is arranged corresponding to the entrance end of the conveyor belt 2, so that the milk powder box can be easily transferred to the conveyor belt 2 after being opened by the box opener 3; the barcode information collection device is arranged at the barcode detection station 4 of the conveyor belt 2, and the rejection device is arranged at the rejection station 5 of the conveyor belt 2. The barcode detection station 4 and the rejection station 5 are arranged along the conveying direction of the conveyor belt 2 ( Figure 1 The barcode detection station 4 is arranged in front of the rejection station 5.

[0034] In this embodiment, the barcode information collection device includes a first photoelectric sensor 6 for detecting whether the milk powder box has reached the barcode detection station 4, a camera 7 for taking a photo of the milk powder box barcode, and a box-blocking cylinder 8 for blocking the milk powder box; the first photoelectric sensor 6 is arranged on the side of the barcode detection station 4 close to the box opener 3 and is fixed on the side wall of the frame 1 through a vertical first support rod 9, the camera 7 is arranged between the first photoelectric sensor 6 and the box-blocking cylinder 8 and is fixed on the side wall of the frame 1 through a vertical second support rod 10, and the box-blocking cylinder 8 is arranged on the side of the barcode detection station 4 away from the box opener 3 and is fixed on the side wall of the frame 1 through a vertical third support rod 11. Among them, the first support rod 9, the second support rod 10 and the third support rod 11 can all be telescopic rods, the camera 7 is arranged on the side where the milk powder box barcode can be photographed, and the first photoelectric sensor 6, the camera 7 and the box-blocking cylinder 8 are electrically connected to the PLC controller respectively.

[0035] The rejection device includes a second photoelectric sensor 12 for detecting whether the milk powder box reaches the rejection station 5, a rejection cylinder 13 and a rejection platform 14 for temporarily storing the milk powder box; the second photoelectric sensor 12 is fixed on the side wall of the frame 1 through a vertical fourth support rod 15, and the rejection cylinder 13 is fixed on the side wall of the frame 1 through a vertical fifth support rod 16. The rejection cylinder 13 and the rejection platform 14 are respectively arranged on both sides of the conveyor belt 2 and the positions correspond; wherein, the upper surface of the rejection platform 14 is level with the conveyor belt 2, so that when the rejection cylinder 13 rejects the milk powder box, the milk powder box can enter the rejection platform 14; the fourth support rod 15 and the fifth support rod 16 can both adopt telescopic rods, the second photoelectric sensor 12 and the rejection cylinder 13 are adjacently arranged, the second photoelectric sensor 12 is located in front of the rejection cylinder 13, and the second photoelectric sensor 12 and the rejection cylinder 13 are respectively electrically connected to the PLC controller.

[0036] In this embodiment, brackets 17 are fixed on both sides above the frame 1. The brackets 17 can be used to transport the milk powder box on the conveyor belt 2 to prevent the milk powder box from going off track. The position corresponding to the bracket 17 and the rejection platform 14 is provided with an opening for the milk powder box to pass through when the milk powder box is rejected.

[0037] This embodiment is not only applicable to the error-proofing detection of barcodes on milk powder boxes, but also applicable to the detection of barcodes on other boxes, such as cigarette boxes, wine boxes, etc.

[0038] The use process of this embodiment is as follows: the staff selects the barcode information of the produced product on the display touch screen according to the produced product, and sends the barcode information to the PLC controller. The motor is started to drive the conveyor belt 2 to work, and the staff sends the milk powder box to the box opener 3 for opening. After the milk powder box is opened, it is conveyed to the conveyor belt 2.

[0039] When the milk powder box arrives at the barcode detection station 4, the first photoelectric sensor 6 detects that the milk powder box has arrived at the barcode detection station 4, and sends the arrival station information to the PLC controller, and the PLC controller controls the extended end of the stop cylinder 8 to extend to block the milk powder box from moving forward on the conveyor belt 2. Figure 2 As shown, the PLC controller then controls the camera 7 to take a real-time photo of the barcode of the milk powder box, and sends the collected barcode information to the PLC controller, which compares the barcode information with the pre-set barcode in real time and bit by bit to determine whether a wrong box has occurred; if a wrong box has occurred, when the second photoelectric sensor 12 detects that the milk powder box has arrived at the rejection station 5, the arrival station information is sent to the PLC controller, and the PLC controller controls the extended end of the rejection cylinder 13 to extend to reject the milk powder box to the rejection platform 14, as shown in FIG. Figure 3 As shown, after the milk powder box is rejected, the PLC controller controls the extended end of the rejection cylinder 13 to reset, and then an alarm is issued through the sound and light alarm device to inform the staff; if there is no wrong box, the milk powder box is conveyed to the next process through the conveyor belt.

[0040] Embodiment 2 A milk powder box barcode error-proofing detection device

[0041] like Figure 4 As shown, this embodiment is a milk powder box barcode error prevention detection device, which is different from the embodiment 1 in that a sliding mechanism is further provided between the second support rod 10 and the side wall of the frame 1, and the sliding mechanism includes a slide rail 18 transversely provided on the side wall of the frame 1 and a slider 19 slidably engaged on the slide rail 18; the second support rod 10 is fixed on the slider 19. By providing the slide rail 18 and the slider 19, the position of the second support rod 10 on the side wall of the frame 1 can be moved to move the position of the camera 7, so as to facilitate taking pictures of the milk powder box barcode.

[0042] Along the transport direction of the conveyor belt 2, a third photoelectric sensor 20 is also provided behind the rejection device. The third photoelectric sensor 20 is fixed on the side wall of the frame 1 through a sixth vertical support rod 21. The third photoelectric sensor 20 is electrically connected to the PLC controller. When the third photoelectric sensor 20 detects that the milk powder box is blocked on the conveyor belt for more than a preset time, such as 3 seconds, a box blocking signal is sent to the PLC controller, and the PLC controller controls the box opener 3 to automatically stop running until the box blocking signal disappears, and the PLC controller controls the box opener 3 to start running again.

[0043] It should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A milk powder box barcode error-proofing detection device, comprising a frame and a conveyor belt arranged on the frame, characterized in that: It also includes a box opener, a barcode information collection device, a rejection device, a display touch screen and a PLC controller; The box opener is arranged at the entrance end of the conveyor belt, the barcode information collection device is arranged at the barcode detection station of the conveyor belt, the rejection device is arranged at the rejection station of the conveyor belt, and the barcode detection station and the rejection station are arranged on the conveyor belt in sequence along the conveying direction of the conveyor belt; The box opener, barcode information collection device, rejection device and display touch screen are all electrically connected to the PLC controller respectively.

2. The milk powder box barcode error-proofing detection device according to claim 1, characterized in that: The barcode information collection device includes a first photoelectric sensor for detecting whether the milk powder box has reached the barcode detection station, a camera for taking pictures of the barcode of the milk powder box, and a box-blocking cylinder for blocking the milk powder box; The first photoelectric sensor is arranged at a side of the barcode detection station close to the box opener and fixed to the side wall of the frame through a first vertical support rod, the camera is arranged between the first photoelectric sensor and the box-blocking cylinder and fixed to the side wall of the frame through a second vertical support rod, and the box-blocking cylinder is arranged at a side of the barcode detection station far from the box opener and fixed to the side wall of the frame through a third vertical support rod; The first photoelectric sensor, the camera and the gear box cylinder are electrically connected to the PLC controller respectively.

3. The milk powder box barcode error-proofing detection device according to claim 2, characterized in that: A sliding mechanism is also provided between the second support rod and the side wall of the frame. The sliding mechanism comprises a slide rail transversely arranged on the side wall of the frame and a slider slidably engaged on the slide rail; the second support rod is fixed on the slider.

4. The milk powder box barcode error-proofing detection device according to claim 1, characterized in that: The rejection device comprises a second photoelectric sensor for detecting whether the milk powder box has reached the rejection station, a rejection cylinder and a rejection platform for temporarily storing the milk powder box; The second photoelectric sensor is fixed on the side wall of the frame through a fourth vertical support rod, the reject cylinder is fixed on the side wall of the frame through a fifth vertical support rod, and the reject cylinder and the reject platform are respectively arranged on both sides of the conveyor belt and in corresponding positions; The second photoelectric sensor and the reject cylinder are electrically connected to the PLC controller respectively.

5. The milk powder box barcode error-proofing detection device according to claim 4, characterized in that: Brackets are fixedly arranged on both sides above the frame, and openings are arranged at positions of the brackets corresponding to the rejecting platform for allowing the milk powder boxes to pass through when the milk powder boxes are rejected.

6. The milk powder box barcode error-proofing detection device according to claim 1, characterized in that: A third photoelectric sensor is arranged behind the rejecting device. The third photoelectric sensor is fixed on the side wall of the frame through a sixth vertical support rod. The third photoelectric sensor is electrically connected to the PLC controller.

7. The milk powder box barcode error-proofing detection device according to any one of claims 1 to 6, characterized in that: It also includes a sound and light alarm device, which is electrically connected to the PLC controller.

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