Packing machine small box glue spraying glue point detection device

Abstract

The utility model relates to the technical field of cigarette packaging, in particular to a small box glue spraying glue point detection device of a packaging machine, which comprises a cigarette box paper conveying mechanism and a glue point detection mechanism arranged on the cigarette box paper conveying mechanism. The fixing frame is arranged on the cigarette case paper conveying mechanism, the first light source and the line scanning camera are arranged on the fixing frame, the signal collecting mechanism is arranged on the fixing frame and electrically connected with the line scanning camera, and the first light source and the line scanning camera are both located above the cigarette case paper conveying mechanism and both face the cigarette case paper conveying mechanism. According to the design, the line scanning camera can accurately scan and detect whether glue is sprayed at the glue point position on the cigarette case paper sheet or not and the situation that the glue is sprayed in place, the cigarette case packaging efficiency is improved, and defective products caused by no glue at the glue point of the cigarette case after cigarette packaging in the follow-up process are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette packaging, in particular to a small box glue spraying glue point detection device for a packaging machine. Background Art

[0002] During the cigarette packaging process, if the glue spots on the cigarette boxes are not sprayed with glue or not sprayed in place, they will go into the waste bin, causing huge losses and greatly affecting the packaging efficiency. The existing glue spot detection equipment uses an area array camera to take pictures and images, and uses image processing software to identify them. For shooting moving targets, the image quality is poor, and because the glue spots are small and the glue is transparent, it is difficult for the area array camera to identify them after imaging, and the detection is not accurate. Utility Model Content

[0003] In order to solve the above-mentioned problem, the utility model provides a device for detecting glue dots of small boxes of a packaging machine, which can accurately scan and detect whether glue is sprayed at the glue dots on the cigarette box paper and whether the glue is sprayed in place through a line scan camera, thereby improving the cigarette box packaging efficiency and avoiding failures in subsequent processes due to lack of glue at the glue dots on the cigarette box after packaging.

[0004] The technical solution adopted by the utility model is to provide a small box glue spraying glue spot detection device of a packaging machine, including a cigarette box paper conveying mechanism, and also including a glue spot detection mechanism arranged on the cigarette box paper conveying mechanism, the glue spot detection mechanism includes a fixing frame arranged on the cigarette box paper conveying mechanism, a first light source and a line scanning camera arranged on the fixing frame, and a signal collection mechanism arranged on the fixing frame and electrically connected to the line scanning camera, wherein the first light source and the line scanning camera are both located above the cigarette box paper conveying mechanism and both face the cigarette box paper conveying mechanism;

[0005] The signal acquisition mechanism includes a transmission shaft rotatably arranged on a fixed frame, a first gear arranged on the transmission shaft, a gear encoder arranged on the fixed frame, a second gear arranged on a rotating end of the gear encoder, and a transmission chain arranged on the first gear and the second gear. The transmission shaft is transmission-connected to a cigarette paper conveying mechanism, the first gear set is fixed on the transmission shaft and rotates synchronously with the transmission shaft, and the rotating end of the gear encoder rotates synchronously with the transmission shaft by means of the second gear and the first gear.

[0006] It also includes a second light source arranged on a fixed frame, the second light source is located above the cigarette box paper conveying mechanism and adjacent to the upper end surface of the conveyor belt of the cigarette box paper conveying mechanism, the second light source faces the feeding direction of the cigarette box paper conveying mechanism, and the first light source and the line scan camera are both facing the cigarette box paper conveying mechanism in front of the second light source.

[0007] The beneficial effect of the utility model is that it provides a device for detecting glue points of small boxes of a packaging machine, which fills the scanning position of a line scan camera with light through a first light source, accurately controls the opening and closing of the line scan camera through a signal acquisition mechanism, and uses a line scan camera to scan and detect cigarette box paper pieces conveyed on a cigarette box paper conveying mechanism, thereby identifying whether glue is sprayed at the glue point position on the cigarette box paper pieces and whether the glue is sprayed in place. The device has accurate detection and low use cost, effectively avoids unqualified cigarette box paper pieces from affecting subsequent guarantee processes, and improves the packaging efficiency and packaging quality of cigarettes. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model;

[0009] Figure 2 It is a structural schematic diagram of the utility model in another direction;

[0010] Figure 3 yes Figure 2 A is an enlarged view of the middle image.

[0011] In the accompanying drawings, 1. cigarette box paper conveying mechanism, 2. fixing frame, 3. first light source, 4. line scan camera, 5. transmission shaft, 6. first gear, 7. gear encoder, 8. second gear, 9. transmission chain, 10. second light source. DETAILED DESCRIPTION

[0012] like Figure 1-3 As shown, the utility model provides a small box glue spraying glue point detection device for a packaging machine, comprising a cigarette box paper conveying mechanism 1, and also comprising a glue point detection mechanism arranged on the cigarette box paper conveying mechanism 1, the glue point detection mechanism comprises a fixed frame 2 arranged on the cigarette box paper conveying mechanism 1, a first light source 3 and a line scan camera 4 arranged on the fixed frame 2, and a signal acquisition mechanism arranged on the fixed frame 2 and electrically connected to the line scan camera 4, the first light source 3 and the line scan camera 4 are both located above the cigarette box paper conveying mechanism 1 and both face the cigarette box paper conveying mechanism 1; the signal acquisition mechanism comprises a transmission shaft 5 rotatably arranged on the fixed frame 2, a first gear 6 arranged on the transmission shaft 5, a gear encoder 7 arranged on the fixed frame 2, a second gear 8 arranged on the rotating end of the gear encoder 7, and a transmission chain 9 arranged on the first gear 6 and the second gear 8, the transmission shaft 5 is transmission-connected with the cigarette box paper conveying mechanism 1, the first gear 6 is sleeved and fixed on the transmission shaft 5 and rotates synchronously with the transmission shaft 5, and the rotating end of the gear encoder 7 rotates synchronously with the transmission shaft 5 by means of the second gear 8 and the first gear 6.

[0013] Before packing cigarette boxes, glue is sprayed on the glue point positions of the cigarette box paper sheets. The glue-sprayed cigarette box paper sheets are transported on the cigarette box paper conveying mechanism 1. The transmission shaft 5 is connected to the driving motor of the cigarette box paper conveying mechanism 1. The gear encoder 7 is driven by the second gear 8, the first gear 6 and the transmission chain 9, and maintains a synchronous speed with the transmission shaft 5, that is, it maintains a synchronous speed with the driving motor of the cigarette box paper conveying mechanism 1. The gear encoder 7 calculates the conveying position of the cigarette box paper sheets on the cigarette box paper conveying mechanism 1 by sensing the number of rotations, thereby sending an opening and closing signal to the line scan camera 4. The transmission structure is a conventional technology in the mechanical field, so it will not be described in detail.

[0014] The scanning position of the line scan camera 4 is supplemented with light through the first light source 3. When the cigarette box paper first enters the line scan camera 4, the line scan camera 4 starts scanning. After the cigarette box paper passes through the line scan camera 4, the line scan camera 4 is turned off. The design accurately controls the opening and closing of the line scan camera 4 through the signal acquisition mechanism, scans and detects the cigarette box paper conveyed on the cigarette box paper conveying mechanism 1, and identifies whether the glue point position on the cigarette box paper is sprayed and whether the glue is sprayed in place, effectively avoiding unqualified cigarette box paper from affecting the subsequent guarantee process, thereby improving the packaging efficiency and packaging quality of cigarettes.

[0015] This design uses a line scan camera 4 to scan and image the moving cigarette box paper, with high imaging quality and more accurate image recognition. However, the difference between the line scan camera 4 and the area array camera when in use is that the area array camera only needs an ordinary sensor to recognize that the target is in place and then take a photo, while the line scan camera 4 needs to scan the cigarette box paper from beginning to end to form an image, so the signal acquisition mechanism needs to give an opening and closing signal when the line scan camera 4 is opened and closed. The acquisition mechanism of this design has a simple structure, low cost and strong practicality.

[0016] like Figure 1 As shown, it also includes a second light source 10 arranged on the fixed frame 2, the second light source 10 is located above the cigarette box paper conveying mechanism 1 and is adjacent to the upper end surface of the conveyor belt of the cigarette box paper conveying mechanism 1, the second light source 10 is facing the feeding direction of the cigarette box paper conveying mechanism 1, and the first light source 3 and the line scan camera 4 are both facing the cigarette box paper conveying mechanism 1 in front of the second light source 10.

[0017] The second light source 10 is used to further supplement the light for the cigarette box paper at the scanning position of the line scan camera 4, thereby effectively improving the imaging quality and the detection accuracy.

Claims

1. A device for detecting glue spots of small boxes of a packaging machine, comprising a cigarette box paper conveying mechanism (1), characterized in that: It also includes a glue point detection mechanism arranged on the cigarette paper conveying mechanism (1), the glue point detection mechanism comprising a fixing frame (2) arranged on the cigarette paper conveying mechanism (1), a first light source (3) and a line scan camera (4) arranged on the fixing frame (2), and a signal collection mechanism arranged on the fixing frame (2) and electrically connected to the line scan camera (4), the first light source (3) and the line scan camera (4) are both located above the cigarette paper conveying mechanism (1) and both face the cigarette paper conveying mechanism (1); The signal acquisition mechanism comprises a transmission shaft (5) rotatably arranged on a fixed frame (2), a first gear (6) arranged on the transmission shaft (5), a gear encoder (7) arranged on the fixed frame (2), a second gear (8) arranged on the rotating end of the gear encoder (7), and a transmission chain (9) arranged on the first gear (6) and the second gear (8); the transmission shaft (5) is transmission-connected to the cigarette paper conveying mechanism (1); the first gear (6) is sleeved and fixed on the transmission shaft (5) and rotates synchronously with the transmission shaft (5); and the rotating end of the gear encoder (7) rotates synchronously with the transmission shaft (5) by means of the second gear (8) and the first gear (6).

2. A device for detecting glue dots of small boxes of packaging machines according to claim 1, characterized in that: It also includes a second light source (10) arranged on the fixing frame (2), the second light source (10) is located above the cigarette box paper conveying mechanism (1) and is adjacent to the upper end surface of the conveyor belt of the cigarette box paper conveying mechanism (1), the second light source (10) faces the feeding direction of the cigarette box paper conveying mechanism (1), and the first light source (3) and the line scan camera (4) are both facing the cigarette box paper conveying mechanism (1) in front of the second light source (10).

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