An automated screening and singulating apparatus for small cassette defect rejection
By combining the visual inspection and rejection mechanism of the automated screening and receiving device with the limiting mechanism, the accuracy and efficiency of detecting and rejecting appearance defects in small cigarette packs have been solved, realizing automated inspection and rejection, and improving product quality and corporate image.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA TOBACCO ANHUI IND CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-07
AI Technical Summary
Traditional small cigarette pack appearance defect detection and rejection relies on manual operation, resulting in fluctuating detection accuracy, low efficiency, and defective products flowing into subsequent stages, affecting product quality and corporate image.
Design an automated screening and receiving device, including a vision inspection mechanism and a rejection mechanism, combined with a limiting mechanism to horizontally and vertically limit small cigarette packs, to achieve automatic detection and rejection, and adapt to the limiting requirements of cigarette packs of different sizes.
It enables the automatic detection and rejection of appearance defects in small cigarette packs, ensuring the accuracy and efficiency of detection and rejection, improving product quality and corporate image, and reducing labor intensity.
Smart Images

Figure CN224463254U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of screening and receiving devices, specifically to an automated screening and receiving device for rejecting defects in small boxes. Background Technology
[0002] With increasing market competition, consumers have become increasingly demanding in their requirements for product packaging, paying close attention not only to the product itself but also to the appearance of individual cigarette packs. Therefore, it is essential to inspect and reject cigarette packs for defects during the production process. Traditionally, the inspection and rejection of these defects relies on manual labor. Workers often work long hours under high intensity, and factors such as fatigue and lack of concentration can lead to fluctuations in inspection accuracy, making it difficult to identify defects promptly and accurately. This results in a large number of substandard cigarette packs flowing into subsequent stages, severely impacting overall product quality and the company's image. Furthermore, manual labor is both labor-intensive and inefficient. Utility Model Content
[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an automated screening and receiving device for rejecting defects in small cigarette packs. This device enables automatic detection and rejection of appearance defects in small cigarette packs and can limit the horizontal and vertical movement of the conveyed cigarette packs to ensure that each cigarette pack can be accurately detected, thus guaranteeing the detection and rejection effect.
[0004] This utility model is achieved through the following technical solution:
[0005] An automated screening and receiving device for rejecting defective cigarette packs includes a frame with a conveying channel extending in a left-right direction. Above the conveying channel, a visual inspection mechanism and a rejection mechanism are sequentially arranged along the conveying direction. The visual inspection mechanism performs appearance inspection on the cigarette packs conveyed on the conveying channel, and the rejection mechanism rejects defective cigarette packs. The conveying channel is also equipped with a limiting mechanism, which includes limiting plates arranged opposite each other. The gap between the two limiting plates forms a limiting channel, which limits the front and rear sides of the cigarette packs being conveyed. The outer sides of the two limiting plates are respectively mounted on the frame through their respective linear drive mechanisms. The two linear drive mechanisms drive the two limiting plates to move back and forth, thereby adjusting the width of the limiting channel.
[0006] As a preferred embodiment of the above-mentioned device, the limiting mechanism further includes a height limiting structure disposed on the limiting channel. The height limiting structure is located upstream of the visual inspection mechanism. The height limiting structure includes a height limiting plate, and each of the two limiting plates is provided with an upwardly extending column. The height limiting plate is disposed between the two columns and can realize the adjustment of the height position of the height limiting plate.
[0007] As a preferred embodiment of the above-mentioned device, each of the two columns has a horizontal plate on its inner side. The horizontal plate is slidably disposed in the groove on the inner side of the column and can only slide vertically along the groove. A screw is rotatably disposed on the column. The horizontal plate is threadedly connected to the screw through a threaded hole. The horizontal plates on the inner sides of the two columns are slidably engaged with the grooves that run through the front and rear of the height limit plate.
[0008] As a preferred embodiment of the above-mentioned device, the linear drive mechanism is an electric push rod.
[0009] As a preferred embodiment of the above-mentioned device, the visual inspection mechanism includes a visual detector, which is installed at the bottom of the first fixed frame and above the limiting channel. One side of the first fixed frame is fixedly installed on the frame by a first mounting column.
[0010] As a preferred embodiment of the above-mentioned device, the rejection mechanism includes a rejection clamp, the top of which is mounted on the bottom of the second fixed frame via a telescopic rod, the fixed end of which is slidably disposed on the bottom of the second fixed frame and can slide along the front-back direction of the second fixed frame, and one side of the second fixed frame is fixedly mounted on the frame via a second mounting column.
[0011] As a preferred embodiment of the above-mentioned device, a defective small box receiving box is provided on one side of the frame along the front-rear direction. The defective small box receiving box is located below the opposite side of the second mounting column and is used to receive small cigarette packs that have been removed by the removal clamp.
[0012] As a preferred embodiment of the above-mentioned device, the frame is provided with a qualified small box receiving box on the discharge side along the conveying direction for receiving small cigarette packs falling from the discharge side of the conveying channel.
[0013] This invention has the following advantages over the prior art:
[0014] This utility model provides an automated screening and receiving device for rejecting defects in small cigarette packs. By incorporating a visual inspection mechanism and a rejection mechanism above the conveying channel, it achieves automatic detection and rejection of appearance defects in small cigarette packs. Furthermore, a limiting mechanism ensures the horizontal and vertical positioning of the small cigarette packs, guaranteeing single-layer, centered conveying and thus ensuring accurate positioning upon arrival at the inspection and rejection positions, guaranteeing smooth inspection and rejection operations. In addition, the width of the limiting channel formed by the two limiting plates in the limiting mechanism is adjustable, and the height of the limiting plate is also adjustable, thereby adapting to the horizontal and vertical limiting requirements of small cigarette packs of different sizes, demonstrating good versatility. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model.
[0016] Figure 2This is a schematic diagram of the visual inspection mechanism and rejection mechanism of this utility model.
[0017] Figure 3 This is a schematic diagram of the limiting mechanism of this utility model.
[0018] Figure 4 This is a schematic diagram of the height-limiting structure of this utility model.
[0019] Numbered in the diagram: 1. Frame; 2. Conveyor belt; 3. Visual inspection mechanism; 4. Rejection mechanism; 5. Small cigarette packs; 6. Qualified small cigarette receiving box; 7. Visual detector; 8. First fixed frame; 9. First mounting column; 10. Rejection clamp; 11. Electric telescopic rod; 12. Second fixed frame; 13. Second mounting column; 14. Defective small cigarette receiving box; 15. Limiting plate; 16. Electric push rod; 17. Height limit plate; 18. Column; 19. Horizontal plate; 20. Screw; 21. Groove; 22. Slide groove. Detailed Implementation
[0020] The embodiments of this utility model are described in detail below. These embodiments are implemented based on the technical solution of this utility model and provide detailed implementation methods and specific operation processes. However, the protection scope of this utility model is not limited to the following embodiments.
[0021] See Figures 1 to 4 This embodiment discloses an automated screening and receiving device for rejecting defective cigarette packs, including a frame 1. The frame 1 has a conveyor channel extending in a left-right direction, and the conveyor channel includes a conveyor belt 2 extending in the same direction. Above the conveyor channel, along the conveying direction, a vision inspection mechanism 3 and a rejection mechanism 4 are sequentially arranged. The vision inspection mechanism 3 performs visual inspection on the appearance of the cigarette packs 5 conveyed on the conveyor channel, and the rejection mechanism 4 rejects any defective cigarette packs 5. A qualified cigarette pack receiving box 6 is provided on the discharge side of the frame 1 along the conveying direction to receive the cigarette packs 5 falling from the discharge side of the conveyor channel.
[0022] The visual inspection mechanism 3 includes a visual detector 7, which is installed at the bottom of the first fixed frame 8 and above the limiting channel. One side of the first fixed frame 8 is fixedly installed on the frame 1 via a first mounting post 9. The rejection mechanism 4 includes a rejection clamp 10, the top of which is installed at the bottom of the second fixed frame 12 via an electric telescopic rod 11. The fixed end of the electric telescopic rod 11 is slidably disposed at the bottom of the second fixed frame 12 and can slide along the front-back direction of the second fixed frame 12. One side of the second fixed frame 12 is fixedly installed on the frame 1 via a second mounting post 13. The rejection clamp 10 is driven to rise and fall by the electric telescopic rod 11, and the fixed end of the electric telescopic rod 11 is driven to slide back and forth by a linear drive motor, thereby moving the rejection clamp 10 back and forth. A defective small box receiving box 14 is provided on one side of the frame 1 along the front-back direction. The defective small box receiving box 14 is located below the opposite side of the second mounting post 13 and is used to receive the small cigarette packs 5 that have been rejected by the rejection clamp 10.
[0023] The conveying channel is also equipped with a limiting mechanism, which includes limiting plates 15 arranged opposite each other. The gap between the two limiting plates 15 forms a limiting channel, which limits the front and rear sides of the small cigarette packs 5 during conveying. The outer sides of the two limiting plates 15 are respectively mounted on the frame 1 through their respective linear drive mechanisms. The two linear drive mechanisms drive the two limiting plates 15 to move back and forth, thereby adjusting the width of the limiting channel. The linear drive mechanism can be an electric push rod 16, which drives the two limiting plates 15 to move closer or further apart, thereby adjusting the width of the limiting channel.
[0024] The limiting mechanism also includes a height limiting structure installed on the limiting channel. The height limiting structure is located upstream of the visual inspection mechanism 3. The height limiting structure includes a height limiting plate 17 to prevent the small cigarette packs 5 from stacking. Each of the two limiting plates 15 has an upwardly extending column 18. The height limiting plate 17 is positioned between the two columns 18 and can be adjusted in height. Each of the two columns 18 has a horizontal plate 19 on its inner side. The horizontal plate 19 is slidably positioned in a groove 22 on the inner side of the column 18 and can only slide vertically along the groove 22. A screw 20 is rotatably mounted on the column 18. The horizontal plate 19 is threadedly connected to the screw 20 through a threaded hole. The horizontal plates 19 on the inner sides of the two columns 18 are slidably engaged with the grooves 21 that extend through the front and rear of the height limiting plate 17. By rotating the two screws 20, the horizontal plate 19 can be driven to slide vertically along the slide groove 22. The two horizontal plates 19 then drive the height limit plate 17 to move vertically, thereby adjusting the height position of the height limit plate 17 to adapt to the height limit requirements of small cigarette packs 5 of different sizes.
[0025] In operation, the small cigarette packs 5 to be inspected are placed on the conveyor belt 2 on the frame 1. After the conveyor belt 2 starts running, it transports the small cigarette packs 5 from left to right. When the small cigarette packs 5 pass the height limit plate 17 between the two columns 18, if there are vertically stacked small cigarette packs 5, the height limit plate 17 will break up the vertically stacked small cigarette packs 5, so that the small cigarette packs 5 are transported in a single layer. Then, the distance between the front and rear limit plates 15 is adjusted, and the corresponding limit plates 15 driven by the two electric push rods 16 move closer to each other, so that the inner side of the two limit plates 15 is in contact with the front and rear sides of the small cigarette packs 5. The two limit plates 15 limit the front and rear sides of the small cigarette packs 5 during transportation, preventing the small cigarette packs 5 from shifting forward and backward during transportation, so as to ensure the accuracy of the front and rear position when passing through the visual inspection mechanism 3 and the rejection mechanism 4, thereby ensuring the smooth progress of the subsequent inspection and rejection process. When the small cigarette pack 5 passes the visual detector 7 at the bottom of the first fixed frame 8, the defects on the small cigarette pack 5 will be detected. When the small cigarette pack 5 with defects passes the rejection clamp 10 at the bottom of the second fixed frame 12, the rejection clamp 10 will move down to pick up the defective small cigarette pack 5, lift it up, move it forward and place it above the defective small cigarette pack receiving box 14 on the front side of the conveyor channel and release it. The defective small cigarette pack 5 falls into the defective small cigarette pack receiving box 14; while the undefective small cigarette pack 5 will fall into the qualified small cigarette pack receiving box 6 along the discharge side of the conveyor belt 2. Throughout the conveying process, two limiting plates 15 limit the small cigarette pack 5 in the horizontal front-to-back direction, and the height limiting plate 17 limits the small cigarette pack 5 in the vertical direction. This ensures that the small pack is conveyed in a single layer and in the center during the conveying process, avoiding vertical stacking or front-to-back offset. This ensures the accuracy of the position of the small cigarette pack 5 when it arrives at the detection and rejection positions, thereby ensuring the smoothness and accuracy of the detection and rejection operations.
[0026] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An automated screening and receiving device for rejecting defects in small boxes, comprising a frame, wherein the frame is provided with a conveying channel extending in a left-right direction, characterized in that: Above the conveying channel, along the conveying direction, are sequentially arranged a visual inspection mechanism and a rejection mechanism. The visual inspection mechanism performs appearance inspection on the small cigarette packs conveyed on the conveying channel, and the rejection mechanism rejects any defective cigarette packs. The conveying channel is also equipped with a limiting mechanism, which includes limiting plates arranged opposite each other. The gap between the two limiting plates forms a limiting channel, which limits the front and rear sides of the small cigarette packs being conveyed. The outer sides of the two limiting plates are respectively mounted on the frame through their respective linear drive mechanisms. The two linear drive mechanisms drive the two limiting plates to move back and forth, thereby adjusting the width of the limiting channel.
2. The automated screening and receiving device for rejecting defects in small boxes as described in claim 1, characterized in that: The limiting mechanism also includes a height limiting structure set on the limiting channel. The height limiting structure is located upstream of the visual inspection mechanism. The height limiting structure includes a height limiting plate. Each of the two limiting plates is provided with an upwardly extending column. The height limiting plate is set between the two columns and can realize the adjustment of the height position of the height limiting plate.
3. The automated screening and receiving device for rejecting defects in small boxes as described in claim 2, characterized in that: The inner sides of the two columns are each provided with a horizontal plate. The horizontal plate is slidably set in the groove on the inner side of the column and can only slide vertically along the groove. A screw is rotatably set on the column. The horizontal plate is threadedly connected to the screw through a threaded hole. The horizontal plates on the inner sides of the two columns are respectively slidably engaged with the grooves that run through the front and rear of the height limit plate.
4. The automated screening and receiving device for rejecting defects in small boxes as described in claim 1, characterized in that: The linear drive mechanism is an electric push rod.
5. An automated screening and receiving device for rejecting defects in small boxes as described in claim 1, characterized in that: The visual inspection mechanism includes a visual detector, which is installed at the bottom of the first fixed frame and above the limiting channel. One side of the first fixed frame is fixedly installed on the frame by a first mounting column.
6. An automated screening and receiving device for rejecting defects in small boxes as described in claim 1, characterized in that: The rejection mechanism includes a rejection clamp. The top of the rejection clamp is installed at the bottom of the second fixed frame via a telescopic rod. The fixed end of the telescopic rod is slidably disposed at the bottom of the second fixed frame and can slide along the front-back direction of the second fixed frame. One side of the second fixed frame is fixedly installed on the frame via a second mounting column.
7. An automated screening and receiving device for rejecting defects in small boxes as described in claim 6, characterized in that: The frame is provided with a defective small box receiving box on one side along the front-back direction. The defective small box receiving box is located below the opposite side of the second mounting column and is used to receive small cigarette packs that have been removed by the removal clamp.
8. An automated screening and receiving device for rejecting defects in small boxes as described in claim 1, characterized in that: The frame is equipped with a qualified small box receiving box on the discharge side along the conveying direction, which is used to receive small cigarette packs falling from the discharge side of the conveying channel.