Packaging paper bag bottom folding device

Abstract

The utility model relates to the technical field of packaging paper bag processing, in particular to a packaging paper bag bottom folding device, which is characterized in that a conveying component conveys a paper bag, an edge folding component folds the bottom of the paper bag, and a drying component dries the folded paper bag, so that the processing efficiency is improved; comprising a workbench and further comprises a conveying assembly, an edge folding assembly and a drying assembly, the conveying assembly, the edge folding assembly and the drying assembly are arranged on the workbench, the conveying assembly is used for conveying paper bags, the edge folding assembly is used for folding the bottoms of the paper bags, and the drying assembly is used for drying the folded paper bags.

Description

Technical Field

[0001] This utility model relates to the technical field of packaging paper bag processing, and in particular to a bottom folding device for packaging paper bags. Background Technology

[0002] As a new type of recyclable and environmentally friendly product, paper bags have made a significant contribution to environmental protection. During the production process, the bottom of the paper bag is usually folded and then glued together to seal the bottom.

[0003] In the prior art, patent document with publication number CN219769248U discloses a paper bag bottom folding device, including a base, a gear conveyor belt is provided inside the base, a bracket and a connecting plate are fixedly installed at the top of the base, the connecting plate is located on the right side of the bracket, and a lifting mechanism is installed on the bracket, and a movable plate is fixedly connected to the surface of the gear conveyor belt.

[0004] During use, it was found that the folded bottom structure of the above-mentioned device has a relatively complex design, which increases the manufacturing cost. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a bottom folding device for packaging paper bags.

[0006] This utility model discloses a bottom folding device for packaging paper bags, including a workbench, a conveying component, a folding component, and a drying component. The workbench is respectively equipped with the conveying component, the folding component, and the drying component. The conveying component is used to convey the paper bags, the folding component is used to fold the bottom edges of the paper bags, and the drying component is used to dry the folded paper bags. The conveying component conveys the paper bags, the folding component folds the bottom edges of the paper bags, and the drying component dries the folded paper bags, thereby improving processing efficiency.

[0007] Preferably, the conveying assembly includes guide rollers, auxiliary rollers, a motor, a conveyor belt, mounting seats, and positioning blocks. Two sets of guide rollers and multiple sets of auxiliary rollers are rotatably arranged on the worktable, with the multiple sets of auxiliary rollers positioned between the two sets of guide rollers. A conveyor belt is fitted onto the two sets of guide rollers. A motor is mounted on the worktable, with its output end connected to one end of the guide rollers. Multiple sets of mounting seats are evenly spaced on the conveyor belt, and each set of mounting seats is equipped with a positioning block. When the paper bag moves directly under the folding assembly, the folding assembly folds and seals the bottom edge of the paper bag, improving processing efficiency.

[0008] Preferably, the folding assembly includes a first bracket, a first cylinder, a first push plate, a second cylinder, a second push plate, a glue supply pipe, a glue spraying pipe, and a nozzle. The first bracket is mounted on the worktable. A set of first cylinders is mounted on each of the two inner sides of the first bracket. A set of first push plates is mounted on the moving ends of each of the two sets of first cylinders. Two sets of second cylinders are mounted on the top of the first bracket. A set of second push plates is mounted on the moving end of each set of second cylinders. A glue supply pipe is mounted on the first bracket, and the bottom output end of the glue supply pipe is connected to… The glue spraying hose has an input end that is connected, and two sets of nozzles are installed at the bottom of the glue spraying hose. In use, the input end of the glue supply hose is connected to the glue supply pump. The two sets of No. 1 cylinders are operated to extend, thereby causing the two sets of No. 1 push plates to flatten the tongues on the left and right sides of the paper bag. Then, the glue supply pump is operated to deliver glue and spray glue onto the two flattened tongues through the glue supply hose, the glue spraying hose, and the two sets of nozzles. Then, the two sets of No. 2 cylinders are operated to extend, thereby causing the two sets of No. 2 push plates to flatten the tongues on the front and rear sides of the paper bag and bond them with glue.

[0009] Preferably, the drying assembly includes a second support, a hot air blower, and an air duct. The second support is installed on the workbench, and the hot air blower is installed on the second support. An air duct is provided at the output end of the hot air blower. After the paper bag is folded and sealed, the hot air blower is started, so that hot air is sprayed out from the air duct to dry the glue on the paper bag.

[0010] Preferably, the device also includes adjustable feet, with a set of adjustable feet provided at each of the four corners of the bottom of the workbench; the four sets of adjustable feet work together to provide stable support for the device and improve its stability.

[0011] Preferably, the first support is connected to the workbench by welding.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: the conveying component conveys the paper bag, the folding component folds the bottom edge of the paper bag, and the drying component dries the folded paper bag, thereby improving processing efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0014] Figure 2 This is an exploded structural diagram of the present invention;

[0015] Figure 3 It is an enlarged structural diagram of the conveyor belt and worktable, etc.

[0016] Figure 4 This is an enlarged structural diagram of the No. 1 bracket and the glue spray tube, etc.

[0017] Figure 5 It is an enlarged structural diagram of the hot air blower and air duct.

[0018] The following are labels in the attached diagram: 1. Workbench; 2. Guide roller; 3. Auxiliary roller; 4. Motor; 5. Conveyor belt; 6. Mounting base; 7. Positioning block; 8. Support No. 1; 9. Cylinder No. 1; 10. Push plate No. 1; 11. Cylinder No. 2; 12. Push plate No. 2; 13. Glue supply pipe; 14. Glue spraying pipe; 15. No. 15; 16. Support No. 2; 17. Hot air blower; 18. Air supply pipe; 19. Adjustable foot. Detailed Implementation

[0019] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example

[0020] like Figures 1 to 4 As shown, the present invention provides a bottom folding device for packaging paper bags, including a workbench 1, a conveying component, a folding component, and a drying component. The workbench 1 is respectively provided with a conveying component, a folding component, and a drying component. The conveying component is used to convey paper bags, the folding component is used to fold the bottom edge of the paper bags, and the drying component is used to dry the folded paper bags.

[0021] like Figures 1 to 3 As shown, the conveying assembly includes guide rollers 2, auxiliary rollers 3, motors 4, conveyor belts 5, mounting seats 6, and positioning blocks 7. Two sets of guide rollers 2 and multiple sets of auxiliary rollers 3 are rotatably arranged on the worktable 1. The multiple sets of auxiliary rollers 3 are all located between the two sets of guide rollers 2. The conveyor belts 5 are fitted on the two sets of guide rollers 2. The motors 4 are installed on the worktable 1. The output end of the motors 4 is connected to one end of the guide rollers 2. Multiple sets of mounting seats 6 are arranged at equal intervals on the conveyor belts 5. Each set of mounting seats 6 is equipped with a set of positioning blocks 7.

[0022] like Figure 1 , Figure 2 and Figure 4 As shown, the folding assembly includes a first bracket 8, a first cylinder 9, a first push plate 10, a second cylinder 11, a second push plate 12, a glue supply pipe 13, a glue spraying pipe 14, and a nozzle 15. The first bracket 8 is installed on the worktable 1. A set of first cylinders 9 are installed on both sides of the inside of the first bracket 8. A set of first push plates 10 are installed on the moving ends of the two sets of first cylinders 9. Two sets of second cylinders 11 are installed on the top of the first bracket 8. A set of second push plates 12 are installed on the moving end of each set of second cylinders 11. The glue supply pipe 13 is installed on the first bracket 8. The bottom output end of the glue supply pipe 13 is connected to the input end of the glue spraying pipe 14. Two nozzles 15 are provided at the bottom end of the glue spraying pipe 14.

[0023] In this embodiment, during use, the start motor 4 drives the guide roller 2 to rotate intermittently at equal intervals, thereby causing the conveyor belt 5 to drive multiple sets of positioning blocks 7 to rotate, and the paper bag is placed upside down on the positioning blocks 7. The input end of the glue supply pipe 13 is connected to the glue supply pump. The two sets of first cylinders 9 are operated to extend, thereby causing the two sets of first push plates 10 to push the tongue plates on the left and right sides of the paper bag flat. Then, the glue supply pump is operated to supply glue and spray glue on the two sets of flattened tongue plates through the glue supply pipe 13, the glue spraying pipe 14 and the two sets of nozzles 15. Then, the two sets of second cylinders 11 are operated to extend, thereby causing the two sets of second push plates 12 to push the tongue plates on the front and rear sides of the paper bag flat and bond them with glue. Example

[0024] like Figures 1 to 4 As shown, the present invention provides a bottom folding device for packaging paper bags, including a workbench 1, a conveying component, a folding component, and a drying component. The workbench 1 is respectively provided with a conveying component, a folding component, and a drying component. The conveying component is used to convey paper bags, the folding component is used to fold the bottom edge of the paper bags, and the drying component is used to dry the folded paper bags.

[0025] like Figures 1 to 3 As shown, the conveying assembly includes guide rollers 2, auxiliary rollers 3, motors 4, conveyor belts 5, mounting seats 6, and positioning blocks 7. Two sets of guide rollers 2 and multiple sets of auxiliary rollers 3 are rotatably arranged on the worktable 1. The multiple sets of auxiliary rollers 3 are all located between the two sets of guide rollers 2. The conveyor belts 5 are fitted on the two sets of guide rollers 2. The motors 4 are installed on the worktable 1. The output end of the motors 4 is connected to one end of the guide rollers 2. Multiple sets of mounting seats 6 are arranged at equal intervals on the conveyor belts 5. Each set of mounting seats 6 is equipped with a set of positioning blocks 7.

[0026] like Figure 1 , Figure 2 and Figure 4 As shown, the folding assembly includes a first bracket 8, a first cylinder 9, a first push plate 10, a second cylinder 11, a second push plate 12, a glue supply pipe 13, a glue spraying pipe 14, and a nozzle 15. The first bracket 8 is installed on the workbench 1. A set of first cylinders 9 are installed on both sides of the inside of the first bracket 8. A set of first push plates 10 are installed on the moving ends of the two sets of first cylinders 9. Two sets of second cylinders 11 are installed on the top of the first bracket 8. A set of second push plates 12 are installed on the moving end of each set of second cylinders 11. The glue supply pipe 13 is installed on the first bracket 8. The bottom output end of the glue supply pipe 13 is connected to the input end of the glue spraying pipe 14. Two nozzles 15 are provided at the bottom end of the glue spraying pipe 14.

[0027] like Figure 5 As shown, the drying assembly includes a second support 16, a hot air blower 17, and an air duct 18. The second support 16 is installed on the workbench 1, the hot air blower 17 is installed on the second support 16, and the output end of the hot air blower 17 is provided with an air duct 18.

[0028] It also includes adjustable feet 19, with a set of adjustable feet 19 respectively provided at the four corners of the bottom end of the workbench 1.

[0029] In this embodiment, during use, the start motor 4 drives the guide roller 2 to rotate intermittently at equal intervals, thereby causing the conveyor belt 5 to drive multiple sets of positioning blocks 7 to rotate, and the paper bag is placed upside down on the positioning blocks 7. The input end of the glue supply pipe 13 is connected to the glue supply pump. The two sets of first cylinders 9 are operated to extend, thereby causing the two sets of first push plates 10 to flatten the tongue plates on the left and right sides of the paper bag. Then, the glue supply pump is operated to supply glue and spray glue on the two flattened tongue plates through the glue supply pipe 13, the glue spraying pipe 14 and the two sets of nozzles 15. Then, the two sets of second cylinders 11 are operated to extend, thereby causing the two sets of second push plates 12 to flatten the tongue plates on the front and rear sides of the paper bag and bond them with glue. After the paper bag is folded and sealed, the hot air blower 17 is started, thereby causing the air supply pipe 18 to spray hot air to dry the glue on the paper bag.

[0030] The motor 4, cylinder 9, cylinder 11, and hot air blower 17 of the bottom folding device for packaging paper bags of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0031] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A device for folding the bottom of a paper bag, comprising a worktable (1), characterized in that, Also include conveying assembly, folding edge assembly and drying assembly, the workbench (1) is provided with conveying assembly, folding edge assembly and drying assembly respectively, conveying assembly is used for conveying paper bag, folding edge assembly is used for bottom edge folding of paper bag, drying assembly is used for drying paper bag after folding edge; The conveying assembly includes guide rollers (2), auxiliary rollers (3), motors (4), conveying belts (5), mounting seats (6), and positioning blocks (7). The workbench (1) is rotatably provided with two groups of guide rollers (2) and multiple groups of auxiliary rollers (3). The multiple groups of auxiliary rollers (3) are between the two groups of guide rollers (2). The two groups of guide rollers (2) are sleeved with the conveying belts (5). The workbench (1) is provided with the motors (4). The output ends of the motors (4) are connected with one end of the guide rollers (2). The conveying belts (5) are provided with multiple groups of mounting seats (6) at equal intervals. Each group of mounting seats (6) is provided with one group of positioning blocks (7). The folding edge assembly includes a first support (8), a first cylinder (9), a first push plate (10), a second cylinder (11), a second push plate (12), a glue conveying pipe (13), a glue spraying pipe (14), and a nozzle (15). The workbench (1) is provided with the first support (8). The first support (8) is provided with one group of first cylinders (9) on both sides of the inside. The moving ends of the two groups of first cylinders (9) are provided with one group of first push plates (10). The top end of the first support (8) is provided with two groups of second cylinders (11). The moving ends of each group of second cylinders (11) are provided with one group of second push plates (12). The first support (8) is provided with the glue conveying pipe (13). The bottom output end of the glue conveying pipe (13) is communicated with the input end of the glue spraying pipe (14). The bottom end of the glue spraying pipe (14) is provided with two groups of nozzles (15).

2. A packing paper bag bottom folding apparatus as claimed in claim 1, wherein The drying assembly includes a second support (16), a hot air machine (17), and an air conveying pipe (18). The workbench (1) is provided with the second support (16). The second support (16) is provided with the hot air machine (17). The output end of the hot air machine (17) is provided with the air conveying pipe (18).

3. A packing paper bag bottom folding apparatus as claimed in claim 1, wherein The workbench (1) is provided with one group of adjustable feet (19) at the bottom of each corner.

4. A packing paper bag bottom folding apparatus as claimed in claim 1, wherein The first support (8) and the workbench (1) are connected by welding.

Images