Bag unloading and conveying device and bagged product production line

Abstract

The utility model relates to a kind of bag sorting conveying device and bagged product production line, it is related to packaging technical field, it includes frame and bag sorting mechanism, and bag sorting mechanism includes multiple bag sorting cylinders, multiple bag sorting cylinders are rotatably installed on frame, and multiple bag sorting cylinders are arranged at interval in first direction;The cross-sectional profile of each bag sorting cylinder is non-circular.It can realize automatic bag sorting, reduce labor intensity, improve work efficiency, reduce production cost.

Description

Technical Field

[0001] This utility model relates to the field of packaging technology, and more specifically, to a bag conveying device and a bagged product production line. Background Technology

[0002] Currently, many production processes require bag sorting after inner packaging before automatic boxing and palletizing. Different product boxing requirements necessitate different bag sorting methods. Especially for granular products, packaging machines often fail to discharge material in an orderly and consistent manner, necessitating subsequent conveyor belt sorting. This is particularly true for many packaging machines that use a drop-bag discharge method, where bags may fold or stack during transport, preventing them from lying flat on the conveyor belt. These issues disrupt the automatic boxing and inspection processes. Current technology addresses this by manually sorting the bags to achieve a flattened surface, ensuring the smooth operation of subsequent processes.

[0003] The inventors discovered that the multi-bag packaging technology has at least the following drawbacks: Manual bag sorting is labor-intensive, inefficient, and costly. Utility Model Content

[0004] The purpose of this utility model is to provide a bag-sorting and conveying device and a bagged product production line, which can realize automated bag sorting, reduce labor intensity, improve work efficiency, and reduce production costs.

[0005] The embodiments of this utility model can be implemented as follows: In a first aspect, this utility model provides a bag conveying device, comprising: The frame and bag-sorting mechanism include a plurality of bag-sorting rollers, which are rotatably mounted on the frame and spaced apart in a first direction; the cross-sectional profile of each bag-sorting roller is non-circular.

[0006] In an optional embodiment, the cross-sectional profile of the bag-collecting roller is polygonal, multi-segment arc, or a combination of arc and straight line.

[0007] In an optional embodiment, the cross-sectional profile of the bag-collecting roller is triangular, quadrilateral, pentagonal, or hexagonal.

[0008] In an optional embodiment, the bag conveying device further includes multiple anti-pinch guide rails, each of which is connected to the frame at both ends. Each anti-pinch guide rail spans all the bag conveying rollers and is slidably engaged with the bag conveying rollers. The multiple anti-pinch guide rails are spaced apart in a second direction that forms an angle with the first direction.

[0009] In an optional embodiment, the extension direction of the anti-pinch guide rail is parallel to the first direction.

[0010] In an optional embodiment, a slide rail is provided on the outer circumferential surface of the bag-collecting roller, and the anti-pinch guide rail is slidably embedded in the slide rail.

[0011] In an optional implementation, the top of the anti-pinch guide rail is not higher than the top of the slide rail.

[0012] In an optional embodiment, the bag conveying device further includes a power mechanism mounted on the frame and connected to the bag roller for driving the bag roller to rotate relative to the frame.

[0013] In an optional embodiment, the bag conveying device further includes a conveying mechanism, which includes multiple cylindrical rollers arranged at intervals in the first direction and all of them rotatably connected to the frame.

[0014] Secondly, this utility model provides a production line for bagged products, comprising: The bag conveying device described in any of the foregoing embodiments.

[0015] The beneficial effects of the bag conveying device and bagged product production line provided by this utility model embodiment include: In summary, the bag-feeding conveyor device provided in this embodiment, when a packaging bag containing granular products falls onto the bag-feeding roller, continuously switches the contact point between the packaging bag and the roller between the lowest surface contact and the highest line contact as the roller rotates. This causes the product inside the packaging bag to vibrate intensely, effectively allowing the packaging bag to stretch efficiently. The vibration effect varies depending on the characteristics and shape of the product; the larger the product particles, the greater the difference in height between the bag-feeding roller's points, resulting in more intense product movement and a more vigorous overall bag movement. This ultimately achieves a flat, even packaging bag effect, effectively reducing bag stacking and folding, and facilitating a smooth transition to the next process step. Since manual contact with the packaging bag is eliminated during bag feeding, labor intensity is significantly reduced, work efficiency is improved, and production costs are lowered. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the bag conveying device provided in this embodiment; Figure 2 for Figure 1 A magnified structural diagram of point A in the middle; Figure 3 This is a schematic diagram of the structure of the bag-collecting roller provided in this embodiment; Figure 4 This is a schematic diagram of the structure of the cylindrical roller provided in this embodiment; Figure 5 This is a schematic diagram of the power mechanism provided in this embodiment.

[0018] icon: 001-First direction; 002-Second direction; 100-Frame; 110-Supporting foot; 120-Top bracket; 200-Bag sorting mechanism; 210-Bag sorting roller; 211-Slide rail; 300-Anti-pinch guide rail; 400-Conveying mechanism; 410-Circular roller; 500-Power mechanism; 510-Motor; 520-Chain; 530-Sprocket. Detailed Implementation

[0019] In existing technologies, after packaging bags containing granular products enter a conveyor device, which is typically a conveyor belt, the bags are propelled forward by friction as the belt rotates. Because the packaging bags are somewhat flexible, multiple bags conveyed together may stack, requiring manual handling of the bags. This is labor-intensive and inefficient. Furthermore, wider conveyor belts cannot be designed because a wider belt would increase the distance between the bags in the middle and the workers, making it impossible for workers to contact the bags and manually handle them, further reducing conveying efficiency.

[0020] In view of this, the designers have provided a bag-sorting and conveying device that can automatically sort bags during the conveying process, reducing manual intervention, lowering labor intensity, and improving work efficiency. It can also increase the width of the conveying device to further improve conveying efficiency.

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0025] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0026] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0027] The overall structure, working principle, and technical effects of the device A provided by this utility model are described in detail below through embodiments and in conjunction with the accompanying drawings.

[0028] Please refer to Figure 1 and Figure 2 In this embodiment, the bag conveying device includes a frame 100 and a bag sorting mechanism 200. The bag sorting mechanism 200 includes a plurality of bag sorting rollers 210, which are rotatably mounted on the frame 100. The plurality of bag sorting rollers 210 are arranged at intervals in the first direction 001. The cross-sectional profile of each bag sorting roller 210 is non-circular.

[0029] As described above, the bag conveying device provided in this embodiment operates as follows: When a bag containing granular products falls onto the bag-sorting roller 210, the continuous rotation of the roller causes the contact point between the bag and the roller to constantly switch between surface contact at the lowest point and line contact at the highest point. This causes the product inside the bag to vibrate violently, effectively stretching the bag. The vibration effect varies depending on the characteristics and shape of the product. The larger the product particles, the greater the difference in height between the roller and the roller, resulting in more intense product movement and a more vigorous overall bag movement. This ultimately achieves a flat, unfurled effect, effectively reducing bag stacking and folding, and facilitating a smooth transition to the next processing step. Since manual contact with the bags is eliminated during sorting, labor intensity is significantly reduced, work efficiency is improved, and production costs are lowered.

[0030] It should be understood that the bag conveying device can not only sort bags containing granular products, but also other bags containing products that can move inside the bag.

[0031] The following embodiments illustrate the details of the bag conveying device of this application by way of example.

[0032] Please refer to Figures 1-5 In this embodiment, optionally, the bag-sorting and conveying device includes a frame 100, a bag-sorting mechanism 200, multiple anti-pinch guide rails 300, a conveying mechanism 400, and a power mechanism 500. The frame 100 is used to fix itself to the ground or other supporting structure. The bag-sorting mechanism 200 is mounted on the frame 100 and can sort the packaging bags while conveying them, improving the stacking and folding of the packaging bags. The multiple anti-pinch guide rails 300 are mounted on the frame 100 and cooperate with the bag-sorting mechanism 200, reducing the risk of packaging bags getting stuck on the bag-sorting mechanism 200 during conveying and sorting. The conveying mechanism 400 is mounted on the frame 100 and arranged side by side with the bag-sorting mechanism 200. After passing through the bag-sorting mechanism 200, the packaging bags can enter the conveying mechanism 400, facilitating the stable conveying of the sorted packaging bags to the next workstation via the conveying mechanism 400. The power mechanism 500 is connected to both the bag-sorting mechanism 200 and the conveying mechanism 400, and can provide power to both the bag-sorting mechanism 200 and the conveying mechanism 400 at the same time.

[0033] Optionally, the frame 100 includes support feet 110 and a top bracket 120. Multiple support feet 110 are fixed below the top bracket 120, serving to position and support the bracket. The support feet 110 and the top bracket 120 can be fixedly connected using bolts or other structural components. After the support feet 110 position and support the top bracket 120, the top bracket 120 is approximately horizontal. The top bracket 120 can be a rectangular frame, having a first side and a second side opposite each other in a first direction 001, and a third side and a fourth side in a second direction 002. The first direction 001 and the second direction 002 have a non-zero included angle; for example, in this embodiment, the first direction 001 and the second direction 002 are perpendicular.

[0034] It should be understood that both the support foot 110 and the top bracket 120 can be made of metal materials, which have high structural strength, are not easily deformed or damaged during use, and have a long service life.

[0035] Optionally, the bag-sorting mechanism 200 includes driving multiple bag-sorting rollers 210. These rollers 210 are rotatably mounted on the top support 120 and are arranged parallel to each other in a first direction 001, with the distance between adjacent rollers 210 being the same. That is, each roller 210 extends in a second direction 002, and both ends of each roller 210 are rotatably mounted on the third and fourth sides of the top support 120 via bearings. Furthermore, the cross-sectional profile of each roller 210 is non-circular. Specifically, the cross-sectional profile of each roller 210 can be polygonal, multi-segmented arc, or a combination of arcs and straight lines. For example, in this embodiment, the cross-sectional profile of the roller 210 can be triangular, quadrilateral, pentagonal, hexagonal, or eccentric arc, etc.

[0036] It should be understood that the structures of multiple bag sorting rollers 210 can be set to be the same, for example, they can all be triangles, quadrilaterals, pentagons, hexagons or eccentric arcs, etc. Alternatively, in some embodiments, the cross-sectional profile of the bag sorting rollers 210 can include a variety of combinations, which can be designed as needed, and no specific limitation is made in this embodiment.

[0037] In addition, the number of bag-collecting rollers 210 is designed as needed.

[0038] Furthermore, each bag-collecting roller 210 has multiple slides 211 on its outer circumferential surface. The slides 211 are evenly spaced along the axial direction of the bag-collecting roller 210. All bag-collecting rollers 210 have the same number of slides 211, and the distance between adjacent slides 211 is the same. Thus, when multiple bag-collecting rollers 210 are installed on the top bracket 120, the slides 211 at the same position on the multiple bag-collecting rollers 210 are connected in the first direction 001. All the slides 211 connected in the first direction 001 can cooperate to position an anti-pinch guide rail 300.

[0039] In this embodiment, optionally, the anti-pinch guide rail 300 can be made of steel wire rope, etc. The two ends of the anti-pinch guide rail 300 are fixedly connected to the first side and the second side of the top bracket 120, respectively. The anti-pinch guide rail 300 extends along the first direction 001. Each anti-pinch guide rail 300 is embedded in a plurality of slide rails 211 connected in the first direction 001. Each anti-pinch guide rail 300 is slidably engaged with the bag sorting roller 210. Furthermore, the top of the anti-pinch guide rail 300 is not higher than the top of the slide rail 211. The anti-pinch guide rail 300 is not likely to lift the packaging bag and is not likely to affect the contact between the packaging bag and the bag sorting roller 210.

[0040] After the multiple anti-pinch guide rails 300 are installed with the top bracket 120, there is a gap between adjacent anti-pinch guide rails 300. This gap is determined by the distance between adjacent slide rails 211. The multiple bag-sorting rollers 210 and multiple anti-pinch guide rails 300 cooperate to form a grid structure, with each grid size smaller than the size of the packaging bag to be conveyed. When the bag-sorting rollers 210 rotate, the position of the anti-pinch guide rails 300 remains unchanged, and the bag-sorting rollers 210 can rotate relative to the anti-pinch guide rails 300. When the packaging is being conveyed on the bag-sorting rollers 210, the packaging bag is less likely to get stuck between adjacent bag-sorting rollers 210, making the sorting and conveying of packaging bags more reliable.

[0041] In this embodiment, optionally, the conveying mechanism 400 includes multiple cylindrical rollers 410, which are spaced apart in a first direction 001 and rotatably connected to the frame 100. The multiple cylindrical rollers 410 are located on one side of all the bag-sorting rollers 210. The packaging bags first move on the bag-sorting rollers 210, and after being sorted, they enter the cylindrical rollers 410 and are conveyed by the cylindrical rollers 410.

[0042] Optionally, the cylindrical roller 410 is also provided with slides 211, the number and arrangement of which are the same as those on the bag-collecting roller 210. The anti-pinch guide rail 300 is also located in the slides 211 on the cylindrical roller 410.

[0043] Please refer to Figure 1 and Figure 5In this embodiment, optionally, the power mechanism 500 includes a motor 510, a chain 520, and multiple sprockets 530. The motor 510 is mounted on the frame 100, and the chain 520 simultaneously meshes with multiple sprockets 530. The multiple sprockets 530 are respectively mounted at one end of the bag-sorting roller 210 and the cylindrical roller 410. The output shaft of the motor 510 is connected to at least one sprocket 530. After the motor 510 starts, it can drive at least one sprocket 530 to rotate, and then the chain 520 rotates, driving the remaining sprockets 530 to rotate. After each sprocket 530 rotates, it can drive the corresponding bag-sorting roller 210 and cylindrical roller 410 to rotate, thereby cooperating with the bag-sorting roller 210 and cylindrical roller 410 to transport packaging bags.

[0044] It should be understood that, in other embodiments, the power mechanism 500 may optionally include a transmission structure such as a pulley or belt, which can transmit torque to all the bag-collecting rollers 210 and the circular rollers 410. This embodiment does not exhaustively list them.

[0045] The working process of the bag conveying device provided in this embodiment is as follows: The motor 510 is started, and the chain 520 and sprocket 530 work together to drive all the bag-feeding rollers 210 and the cylindrical rollers 410 to rotate. Packaging bags continuously enter above the bag-feeding rollers 210. Driven by the bag-feeding rollers 210, the packaging bags move towards the cylindrical rollers 410, and reciprocate up and down on the bag-feeding rollers 210. The internal granular products bounce, thus unfolding the packaging bags and reducing the probability of bag stacking and folding. After entering the cylindrical rollers 410, the packaging bags can be smoothly conveyed to the next station. Simultaneously, due to the design of the anti-pinch guide rails 300, it effectively prevents the packaging bags from falling into the gaps between adjacent bag-feeding rollers 210 and adjacent cylindrical rollers 410 during the bouncing process, reducing the risk of bag jamming and making the bag conveying smoother.

[0046] This embodiment also provides a bagged product production line, including the above-mentioned bag conveying device, which has at least the advantages of making the packaging bags less prone to stacking, folding, and jamming.

[0047] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A bag conveying device, characterized in that, include: The frame (100) and the bag sorting mechanism (200) include a plurality of bag sorting rollers (210), which are rotatably mounted on the frame (100) and are spaced apart in a first direction (001); the cross-sectional profile of each bag sorting roller (210) is non-circular.

2. The bag conveying device according to claim 1, characterized in that: The cross-sectional profile of the bag-collecting roller (210) is a polygon, a multi-segment arc, or a combination of arc and straight line.

3. The bag conveying device according to claim 1, characterized in that: The cross-sectional profile of the bag-collecting roller (210) is triangular, quadrilateral, pentagonal or hexagonal.

4. The bag conveying device according to any one of claims 1-3, characterized in that: The bag conveying device also includes multiple anti-pinch guide rails (300), both ends of each anti-pinch guide rail (300) are connected to the frame (100), each anti-pinch guide rail (300) spans all the bag conveying rollers (210) and is slidably engaged with the bag conveying rollers (210); the multiple anti-pinch guide rails (300) are arranged at intervals in a second direction (002) that has an angle with the first direction (001).

5. The bag conveying device according to claim 4, characterized in that: The extension direction of the anti-pinch guide rail (300) is parallel to the first direction (001).

6. The bag conveying device according to claim 4, characterized in that: The outer circumferential surface of the bag-collecting roller (210) is provided with a slide rail (211), and the anti-pinch guide rail (300) is slidably embedded in the slide rail (211).

7. The bag conveying device according to claim 6, characterized in that: The top of the anti-pinch guide rail (300) is not higher than the top of the slide rail (211).

8. The bag conveying device according to claim 1, characterized in that: The bag conveying device further includes a power mechanism (500), which is mounted on the frame (100) and connected to the bag roller (210) for driving the bag roller (210) to rotate relative to the frame (100).

9. The bag conveying device according to claim 1, characterized in that: The bag conveying device further includes a conveying mechanism (400), which includes multiple cylindrical rollers (410). The multiple cylindrical rollers (410) are arranged at intervals in the first direction (001) and are all rotatably connected to the frame (100).

10. A production line for bagged products, characterized in that, include: The bag conveying device according to any one of claims 1-9.

Images