A packaging apparatus for snack production

Abstract

The application discloses a kind of packaging equipment for snack production, belong to agricultural product intelligent packaging equipment technical field.Mainly including conveyor, the conveyor is used to be packaged snack to be transported to packaging station, encapsulation component includes fixed platform, cleaning component includes connecting frame, the top of connecting frame is provided with air pump, the bottom of air pump is connected with suction tube, the bottom of suction tube is equipped with two groups of air inlet, the outside of air inlet is provided with annular fixed block, the inside of annular fixed block is provided with rack, the inside of rack is provided with adhesion roller, auxiliary frame is set to the top of fixed platform below annular fixed block, the two sides of auxiliary frame are provided with guide roller, and the gap for packaging film is left between two groups of guide rollers.The application discloses a kind of packaging equipment for snack production, by increasing cleaning structure before film coating process, can effectively clean the adhesion impurities of packaging film to be sealed area, improves the qualified rate of packaging sealing.

Description

Technical Field

[0001] This invention relates to the field of intelligent packaging equipment technology for agricultural products, specifically a packaging device for snack production. Background Technology

[0002] Snacks and other products need to be packaged after production before they can enter the market. Pillow packaging machines are commonly used in current snack production for continuous packaging operations, which enables snack products to be cut, bagged and sealed according to preset specifications, meeting the needs of mass production. For example, the patent with publication number CN219620179U specifically discloses a pillow-type packaging machine for food processing. By setting up a lifting mechanism, before the conveyor belt of the pillow-type packaging machine conveys the food, the lifting mechanism drives the brush plate to move upward so that the brush plate does not come into contact with the food. After the conveyor belt of the pillow-type packaging machine has finished conveying the food, the lifting mechanism drives the brush plate to move downward so that the brush plate comes into contact with the conveyor belt, which can clean the surface of the conveyor belt. While this pillow-type packaging machine can quickly sweep and clean the conveyor belt using a brush plate when packaging fried snacks, food dust or residue will scatter everywhere during the sweeping process. This scattered dust or residue may adhere to the sealing of the packaging bags in subsequent packaging stages. If it is not cleaned, the packaging bag seal may not be completely sealed, making the snacks susceptible to moisture and spoilage during subsequent storage and consumption. Therefore, it is necessary to provide a packaging equipment for snack production to solve the above problems.

[0003] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a packaging equipment for snack production, which solves the problem that the packaging bag seal cannot be completely sealed due to the adhesion of scattered food dust or residue to the sealing area during the transportation of snacks.

[0005] To solve the above-mentioned technical problems, the technical solution of the present invention is: a packaging equipment for snack production, comprising a conveyor for transporting snacks to be packaged to a packaging station; a packaging assembly disposed on one side of the conveyor, the packaging assembly including a fixed platform, a second conveyor belt disposed on the top of the fixed platform, a film feeding device for supplying packaging film material disposed on the bottom of the fixed platform, an electrical control cabinet disposed on the side of the packaging assembly, a placement plate disposed on the side of the electrical control cabinet near the fixed platform, two sets of wrapping devices disposed on the placement plate along the packaging film conveying direction, a heat sealing assembly disposed at the center of the two sets of wrapping devices, and a horizontal sealing device disposed on the fixed platform. The top of the platform is located on the discharge side of the wrapping device and is used for transverse heat sealing and cutting of the film tube that has been longitudinally sealed. The cleaning component is set on the placement plate in front of the wrapping device. The cleaning component includes a connecting frame, an air pump is set on the top of the connecting frame, an air extraction pipe is connected to the bottom of the air pump, two sets of air intakes are provided at the bottom of the air extraction pipe, an annular fixing block is set on the outside of the air intake, a placement frame is set inside the annular fixing block, an adhesion roller is set inside the placement frame, and an auxiliary frame is set on the top of the fixed platform below the annular fixing block. Guide rollers are set on both sides of the auxiliary frame, and a gap is left between the two sets of guide rollers for the packaging film to pass through.

[0006] Furthermore, the conveyor includes a frame and a first conveyor belt mounted on the frame.

[0007] Furthermore, multiple sets of partitions are fixedly installed on the top of the first conveyor belt, and a accommodating space for accommodating a single portion of snack to be packaged is formed between adjacent partitions.

[0008] Furthermore, the film feeding device includes a film roll mounting shaft, a tension adjusting roller group is provided on one side of the film roll mounting shaft, and a guide roller group is provided on one side of the tension adjusting roller group.

[0009] Furthermore, the wrapping device includes a mounting base and a forming device. The forming device is mounted on the mounting base and includes two sets of forming rollers disposed on the mounting base, the two sets of forming rollers rotating in opposite directions.

[0010] Furthermore, a connecting block is fixedly installed on the side of the placement rack, and a buffer spring is fixedly installed on the top of the connecting block.

[0011] Furthermore, a slide rail is fixedly installed inside the placement rack, an insert block is slidably installed inside the slide rail, the adhesion roller is rotatably installed inside the insert block, an extension plate is extended on the outer side of the insert block, and the bottom of the extension plate is fixedly connected to the other end of the buffer spring.

[0012] Furthermore, a scraper is rotatably mounted on the inner side of the annular fixing block, and the end of the scraper abuts against the roller surface of the adhesion roller.

[0013] Furthermore, multiple sets of slots are provided on the outer side of the guide roller, and a stop block is slidably installed inside the slot; A guide motor is fixedly installed on one side of the auxiliary frame, and the output end of the guide motor is fixedly connected to the guide roller.

[0014] Furthermore, a trigger block is provided on the inner side of the placement rack below the insertion block, and the trigger block is electrically connected to the guide motor.

[0015] By adopting the above technical solution, the present invention has the following beneficial effects: The packaging equipment for snack production provided in this application can effectively clean the adhering impurities in the area to be sealed by adding a cleaning structure before the wrapping process. It can also automatically trigger a supplementary cleaning action when large particles of residue cause cleaning blind spots, thereby improving the qualified rate of packaging sealing, reducing the problem of snacks getting damp and deteriorating due to poor sealing, adapting to the production needs of continuous packaging in the snack industry, and ensuring the sealing reliability of finished product packaging. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a packaging device for snack production according to the present invention; Figure 2 for Figure 1 Schematic diagram of a pillow-type packaging machine; Figure 3 for Figure 2 Schematic diagram of the installation location of the intermediate discharge membrane device; Figure 4 for Figure 3 Schematic diagram of the middle horizontal sealing device; Figure 5 This is a schematic diagram of the wrapping device; Figure 6 for Figure 5 A schematic diagram of the structure of the cleaning component; Figure 7 for Figure 6 Schematic diagram of the installation position of the middle adhesion roller; Figure 8 for Figure 7 Installation diagram of the buffer spring; Figure 9 for Figure 6 Enlarged view of point A in the middle; Figure 10 for Figure 9 Schematic diagram of the installation location of the trigger block; Figure 11 This is a schematic diagram of the initial state of the guide roller and the stop block; Figure 12 This is a schematic diagram showing the movement of the guide roller and the stop block; The following are the labeling elements in the figure: 1. Pillow-type packaging machine; 11. Conveyor; 12. Frame; 13. First conveyor belt; 14. Partition; 2. Packaging assembly; 21. Fixed platform; 22. Second conveyor belt; 23. Receiving frame; 231. Feeding channel; 232. Support frame; 3. Film feeding device; 31. Film roll mounting shaft; 32. Tension adjusting roller group; 33. Guide roller group; 4. Electrical control cabinet; 41. Placement board; 5. Wrapping device; 51. Mounting base; 52. Forming device; 53. Forming roller; 6. Heat-sealed components; 7. Horizontal sealing device; 8. Cleaning components; 81. Connecting frame; 82. Air pump; 83. Suction pipe; 84. Air inlet; 85. Annular fixing block; 86. Placement rack; 861. Connecting block; 862. Buffer spring; 87. Adhesion roller; 88. Slide rail; 89. Insert block; 891. Extension plate; 892. Trigger block; 810. Scraper; 9. Auxiliary frame; 91. Guide roller; 92. Slot; 93. Material stop block; 94. Guide motor. Detailed Implementation

[0017] To make the content of this invention easier to understand, the invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0018] Example 1: This example specifically illustrates the basic structure and working principle of packaging equipment for snack production. Specifically: like Figures 1-4 As shown, this application provides a packaging equipment for snack production, belonging to the field of intelligent packaging equipment technology for agricultural products, including a pillow packaging machine 1. The pillow packaging machine 1 is installed inside the snack production workshop and is used to package fried snacks after production.

[0019] The pillow-type packaging machine 1 includes a conveyor 11, which is installed at the discharge end of the food conveying process to transport the snacks to be packaged to the packaging station. The conveyor 11 includes a frame 12 and a first conveyor belt 13 installed on the frame 12. The first conveyor belt 13 is adapted to move the food, and multiple sets of partitions 14 are fixedly installed on the top of the first conveyor belt 13. The adjacent partitions 14 form a accommodating space for accommodating a single snack to be packaged, which can prevent the snacks from shifting and stacking during the conveying process and ensure a stable conveying rhythm.

[0020] Meanwhile, a packaging assembly 2 is provided on one side of the conveyor 11. The packaging assembly 2 includes a fixed platform 21. A second conveyor belt 22 is fixedly installed on the top of the fixed platform 21. A receiving frame 23 is fixedly installed on the top of the fixed platform 21. The receiving frame 23 has a feeding channel 231 at its center. Support frames 232 are provided on both sides of the receiving frame 23. The support frames 232 are used to place the packaging film. The receiving frame 23 is used to receive the material conveyed on the first conveyor belt 13. There is a certain gap between the receiving frame 23 and the first conveyor belt 13 for the subsequent entry of the packaging film. Meanwhile, a film feeding device 3 is provided on the bottom of the fixed platform 21 near the conveyor 11. The film feeding device 3 is used to supply continuous packaging film material and stably regulate the conveying tension of the packaging film material. The film feeding device 3 includes a film roll mounting shaft 31, which is installed below the fixed platform 21 for mounting a whole roll of packaging film. A tension adjusting roller group 32 is provided on one side of the film roll mounting shaft 31, and a guide roller group 33 is provided on one side of the tension adjusting roller group 32. The guide roller group 33 is arranged along the film material conveying path and is used to adjust the conveying angle of the packaging film to the top of the second conveyor belt 22. In this application, the width of the packaging film is greater than the width of the receiving frame 23. Therefore, when the packaging film contacts the feeding channel 231 in the support frame 232, the packaging film on both sides of the portion exceeding the width of the feeding channel 231 will overlap on the two sets of support frames 232 and form an inward fold. As the first conveyor belt 13 continues to feed material, the packaging film will also be unwound at the same speed, allowing the material to seamlessly enter the packaging film and be transported to the next stage.

[0021] like Figures 3-5 As shown, an electrical control cabinet 4 is provided on the side of the packaging component 2. A placement plate 41 is provided on the side of the electrical control cabinet 4 near the fixed platform 21. Two sets of wrapping devices 5 are provided on the placement plate 41 along the conveying direction of the packaging film. The wrapping devices 5 are located at one end of the second conveyor belt 22 near the conveyor 11 and are used to bring the two sides of the packaging film into contact with each other and tighten them. The wrapping device 5 includes a mounting base 51 and a forming device 52. The forming device 52 is fixedly mounted on the mounting base 51. The forming device 52 includes two sets of forming rollers 53 arranged on the mounting base 51. The two sets of forming rollers 53 are connected by gears so that they rotate in opposite directions. A wrapping drive motor is arranged inside the electrical control cabinet 4. The output end of the wrapping drive motor is fixedly connected to one of the sets of forming rollers 53 on the forming device 52, so that the two sets of forming rollers 53 can rotate in opposite directions under the drive of the wrapping drive motor, thereby driving the packaging film to move continuously away from the first conveyor belt 13. At this time, the packaging film attached to the support frame 232 will be sandwiched between the two sets of driving forming rollers 53, so that the packaging film gradually gathers and forms a tube, thereby completing the wrapping operation of the snack. Then, when the film roll on the film roll mounting shaft 31 is unrolled, it enters the tension adjusting roller group 32 in the horizontal direction. After being tensioned by the tensioning roller, it is kept in a uniform tension state to avoid loose wrinkles or excessive stretching of the film surface. Subsequently, the film material is gradually lifted along the guide roller group 33, changing from a horizontal direction to an oblique upward direction. At this time, the sides of the two sets of packaging films overlapping the support frame 232 are fed into the feed end of the wrapping device 5. When it enters the forming unit 52, the sides of the packaging film are gradually gathered by the forming rollers 53 rotating in opposite directions to form a cylindrical wrapping structure. At the same time, the food on the first conveyor belt 13 will enter and be wrapped inside the cylindrical film. After the wrapping operation is completed, the cylindrical packaging film wrapped with snacks is sent to the subsequent sealing process.

[0022] Meanwhile, a heat-sealing component 6 is set at the center of the two sets of wrapping devices 5. The heat-sealing component 6 is used to heat-press and bond the two overlapping edges at the top of the cylindrical film to form a continuous and sealed longitudinal edge, so that the overlapping area of ​​the packaging film melts and bonds, completing the longitudinal sealing operation, ensuring the airtightness of the cylindrical packaging film, and preventing snacks from leaking out from the side during subsequent transportation.

[0023] Furthermore, after passing through the heat-sealing component 6 and the wrapping device 5, the packaging film changes from a semi-closed cylindrical shape with overlapping openings to a completely closed continuous film tube structure, completely sealing and wrapping the snack inside the film tube, providing a foundation for the subsequent horizontal sealing and cutting process.

[0024] like Figure 4 As shown, a horizontal sealing device 7 is also provided on the top of the fixed platform 21 on one side of the wrapping device 5. The horizontal sealing device 7 is located at the discharge end of the heat sealing assembly 6 and the wrapping device 5. It is used to perform horizontal heat sealing and cutting on the continuous film tube that has completed the longitudinal sealing, and to divide the film tube that continuously wraps the snacks into individual independent sealed packaging bags. In summary, this equipment stably supplies packaging film material through the film feeding device 3, and coordinates with the conveyor 11 to orderly transport the snacks to be packaged. Then, the packaging operation is completed through multiple processes such as wrapping, longitudinal sealing, and transverse sealing.

[0025] However, when food enters the packaging bag, some debris or powder may come into contact with the packaging film. Furthermore, because the packaging film continuously rubs against the conveyor belt and generates static electricity, it further attracts scattered snack crumbs and dust from the environment. If these deposits accumulate in the sealing area that requires subsequent heat pressing, they will hinder the adhesion of the two layers of packaging film, resulting in an incomplete seal. Therefore, improvements have been made to the placement plate 41, specifically: like Figure 3 , Figure 5As shown, a cleaning component 8 is provided on the placement plate 41 in front of the wrapping device 5. The cleaning component 8 includes a connecting frame 81, an air pump 82 is fixedly installed on the top of the connecting frame 81, and an air extraction pipe 83 is fixedly connected to the bottom of the air pump 82. The bottom of the air extraction pipe 83 is connected to two sets of air intake ports 84. like Figures 6-9 As shown, an annular fixing block 85 is fixedly installed on the outside of the air intake 84. An inclined placement frame 86 is fixedly installed inside the annular fixing block 85. An adhesion roller 87 is provided inside the placement frame 86. The adhesion roller 87 is suitable for contacting the inner side of the packaging film. An adhesive layer is provided on the outside of the adhesion roller 87. The adhesive layer is made of soft PU adhesive powder. During the rotation, the adhesion roller 87 will roll and contact the inner side of the packaging film it passes through. Since the packaging film is taut when it passes through, the adhesion roller 87 can remove small attachments without scratching the packaging film, ensuring that the film surface to be heat-pressed and bonded is clean and free of impurities. Meanwhile, an auxiliary frame 9 is fixedly installed on the top of the fixed platform 21 below the annular fixed block 85. Guide rollers 91 are inclined on both sides of the auxiliary frame 9. The material of the guide rollers 91 is the same as that of the adhesion rollers 87 and they are parallel to each other, with a certain gap between them, which is suitable for the packaging film to pass through.

[0026] Meanwhile, a connecting block 861 is fixedly installed on the side of the placement rack 86, and a buffer spring 862 is fixedly installed on the top of the connecting block 861. At the same time, a slide rail 88 is fixedly installed inside the placement rack 86, and an insert block 89 is slidably installed inside the slide rail 88. An adhesion roller 87 is rotatably installed inside the insert block 89, and an extension plate 891 is extended on the outside of the insert block 89. The bottom of the extension plate 891 is fixedly connected to the other end of the buffer spring 862. Furthermore, when large particles of debris adhere to the inside of the packaging film and come into contact with the surface of the adhesion roller 87, the adhesion roller 87 is squeezed and pushes the insert 89 to retract inward along the slide 88. At the same time, the buffer spring 862 is compressed and buffered to avoid rigid compression scratching the packaging film, while always maintaining the adhesion between the adhesion roller 87 and the surface of the packaging film.

[0027] A scraper 810 is rotatably mounted on the inner side of the annular fixing block 85, and a torsion spring is provided at the connection between the scraper 810 and the annular fixing block 85. The end of the scraper 810 is always in contact with the roller surface of the adhesion roller 87, which can scrape off the debris and dust adsorbed on the surface of the adhesion roller 87. The scraped-off impurities fall directly into the air suction port 84 and are drawn away and collected by the air pump 82, which prevents the scraped-off debris from re-spreading and contaminating the packaging film, and ensures a stable and sustainable cleaning effect.

[0028] During operation, after the packaging film is output from the guide roller group 33, it first passes through the processing area of ​​the cleaning component 8. The two sides of the packaging film to be sealed pass through the two sets of suction ports 84 respectively. At this time, the adhesion roller 87 is attached to the sealing position on the inside of the packaging film and rotates synchronously with the movement of the packaging film, removing the dust and debris adhering to the film surface. At the same time, the negative pressure airflow of the suction port 84 directly sucks away the detached impurities, completing the pre-cleaning of the sealing area. Then, the cleaned packaging film is sent to the wrapping device 5 for the gathering operation, which effectively avoids the problem of impurities blocking the film layer adhesion, improves the sealing qualification rate, and reduces the occurrence of snacks getting damp and deteriorating due to poor sealing.

[0029] Example 2: In the above example, the inner wall of the packaging film is quickly cleaned by setting the adhesion roller 87. However, when adhering to larger particles of residue on the packaging film, the residue will push the adhesion roller 87 inward a certain distance. During this process, the packaging film around the large particles of residue will move away from the adhesion roller 87 and create a gap. If there is still powder or particles attached to the packaging film in this gap, they will remain in the sealing area as the packaging film continues to move, affecting the subsequent sealing performance. Therefore, improvements are made to the auxiliary frame 9, specifically: like Figures 9-12 As shown, multiple slots 92 are provided on the outer side of the guide roller 91. A stop block 93 is slidably installed inside the slot 92, and an elastic element is fixedly installed at the bottom of the stop block 93, so that the stop block 93 and the slot 92 are slidably elastically connected. In the initial state, the stop block 93 is extended and unobstructed. At the same time, a guide motor 94 is fixedly installed on one side of the auxiliary frame 9. The output end of the guide motor 94 is fixedly connected to the guide roller 91, so that the guide roller 91 can be driven and rotated by the guide motor 94, thereby causing the stop block 93 to retract into the slot 92 under the influence of the guide roller 91. Meanwhile, a trigger block 892 is also provided inside the placement frame 86 below the insertion block 89. The trigger block 892 is electrically connected to the guide motor 94. When large particles of material squeeze the adhesion roller 87, the insertion block 89 is pressed and retracts inward along the slide 88, which will drive the extension plate 891 to move synchronously, so that the bottom of the extension plate 891 contacts the trigger block 892. After the trigger block 892 is triggered, it transmits a start signal to the guide motor 94, which drives the guide roller 91 to rotate at a preset angle. When the guide roller 91 rotates, the baffle block 93, which was originally squeezed into the slot 92, loses the resistance of the guide roller 91 and pops out under the action of the bottom elastic element. The baffle block 93 on the other side will drive the packaging film to contact the front side of the original adhesion position of the adhesion roller 87. Since the packaging film will continue to move, this contact can re-adhere the packaging film that was originally separated from the adhesion roller 87 due to the squeezing of large particles of residue to the surface of the adhesion roller 87, so that the fine powder and debris remaining in this area can still be effectively removed by the adhesion roller 87. Once the large particles of residue are removed, the pressure on the adhesion roller 87 disappears, and the buffer spring 862 pushes the insert block 89 to reset, waiting for the next trigger. This design can automatically trigger the pushing action to fill the cleaning blind spot when large particles of residue cause a gap between the packaging film and the adhesion roller 87, further improving the cleaning effect of the packaging film sealing area, ensuring the sealing adhesion and sealing performance, and reducing the output rate of defective products.

[0030] In summary, this device, by adding a cleaning structure before the wrapping process, can effectively clean the adhering impurities in the area to be sealed on the packaging film. It can also automatically trigger a supplementary cleaning action when large particles of residue cause cleaning blind spots, thereby improving the pass rate of packaging sealing, reducing the problem of snacks becoming damp and deteriorating due to poor sealing, adapting to the production needs of continuous packaging in the snack industry, and ensuring the sealing reliability of finished product packaging.

[0031] The specific embodiments described above further illustrate the technical problems, technical solutions, and beneficial effects of the present invention. It should be understood that the above descriptions are merely specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A packaging device for snack food production, characterized in that: include: A conveyor (11) is used to transport snacks to be packaged to a packaging station; a packaging assembly (2) is disposed on one side of the conveyor (11), the packaging assembly (2) includes a fixed platform (21), a second conveyor belt (22) is provided on the top of the fixed platform (21), and a film feeding device (3) for supplying packaging film material is provided at the bottom of the fixed platform (21); An electrical control cabinet (4) is located on the side of the packaging assembly (2). A placement plate (41) is provided on the side of the electrical control cabinet (4) near the fixed platform (21). Two sets of wrapping devices (5) are provided on the placement plate (41) along the packaging film conveying direction. A heat sealing assembly (6) is provided at the center of the two sets of wrapping devices (5). A horizontal sealing device (7) is set on the top of the fixed platform (21) on the discharge side of the film wrapping device (5) and is used to perform horizontal heat sealing and cutting on the film tube that has been longitudinally sealed. Cleaning component (8) is disposed on the placement plate (41) in front of the wrapping device (5). The cleaning component (8) includes a connecting frame (81), an air pump (82) is provided on the top of the connecting frame (81), and an air extraction pipe (83) is connected to the bottom of the air pump (82). The bottom part of the air extraction pipe (83) is provided with two sets of air intakes (84). An annular fixing block (85) is provided on the outside of the air intake (84), and a placement rack (86) is provided inside the annular fixing block (85), and an adhesion roller (87) is provided inside the placement rack (86). An auxiliary frame (9) is located on the top of the fixed platform (21) below the annular fixed block (85). Guide rollers (91) are provided on both sides of the auxiliary frame (9), and a gap is left between the two sets of guide rollers (91) for the packaging film to pass through.

2. The packaging equipment for snack food production according to claim 1, characterized in that: The conveyor (11) includes a frame (12) and a first conveyor belt (13) mounted on the frame (12).

3. The packaging equipment for snack production according to claim 2, characterized in that: Multiple sets of partitions (14) are fixedly installed on the top of the first conveyor belt (13), and a accommodating space for accommodating a single snack to be packaged is formed between adjacent partitions (14).

4. The packaging equipment for snack production according to claim 1, characterized in that: The film feeding device (3) includes a film roll mounting shaft (31), a tension adjusting roller group (32) is provided on one side of the film roll mounting shaft (31), and a guide roller group (33) is provided on one side of the tension adjusting roller group (32).

5. A packaging device for snack production according to claim 1, characterized in that: The wrapping device (5) includes a mounting base (51) and a forming device (52). The forming device (52) is mounted on the mounting base (51). The forming device (52) includes two sets of forming rollers (53) arranged on the mounting base (51). The two sets of forming rollers (53) rotate in opposite directions.

6. A packaging device for snack production according to claim 1, characterized in that: A connecting block (861) is fixedly installed on the side of the placement rack (86), and a buffer spring (862) is fixedly installed on the top of the connecting block (861).

7. A packaging device for snack food production according to claim 6, characterized in that: The placement rack (86) has a slide rail (88) fixedly installed inside, and an insert (89) is slidably installed inside the slide rail (88). The adhesion roller (87) is rotatably installed inside the insert (89). An extension plate (891) is provided on the outer side of the insert (89), and the bottom of the extension plate (891) is fixedly connected to the other end of the buffer spring (862).

8. A packaging device for snack production according to claim 7, characterized in that: A scraper (810) is rotatably mounted on the inner side of the annular fixing block (85), and the end of the scraper (810) abuts against the roller surface of the adhesion roller (87).

9. A packaging device for snack food production according to claim 8, characterized in that: Multiple slots (92) are provided on the outer side of the guide roller (91), and a stop block (93) is slidably installed inside the slot (92). A guide motor (94) is fixedly installed on one side of the auxiliary frame (9), and the output end of the guide motor (94) is fixedly connected to the guide roller (91).

10. A packaging device for snack food production according to claim 9, characterized in that: A trigger block (892) is provided on the inner side of the placement rack (86) below the insertion block (89), and the trigger block (892) is electrically connected to the guide motor (94).

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