Film bag folding device

Abstract

The utility model provides a film bag folding device which comprises a fixing frame, a top frame arranged at the top of the fixing frame, a bottom frame arranged at the bottom of the fixing frame, vertical rods arranged at four corners of the fixing frame, a vertical roller arranged at the front end of the fixing frame, two ends of the vertical roller respectively connected with the top frame and the bottom frame, and two folding rods arranged in the middle of the fixing frame. The two ends of the folding rod are connected with the two vertical rods at the diagonal angles respectively, two end plates are arranged at the rear end of the fixing frame and connected with the two vertical rods at the rear end respectively, a clamping roller is arranged between the two end plates, a guide roller is arranged at the rear end of the clamping roller, and a tensioning frame is arranged on the front side of the fixing frame. The tension degree of a raw material coiled material is adjusted through the upper roller set and the lower roller set which are evenly arranged at intervals, traction guiding is conducted, and the phenomena that the tension of the raw material coiled material is not enough, wrinkles occur, and positioning is not accurate are avoided; the conveying and folding device is firm in structure, can meet the conveying and folding requirements of polymer coiled materials with different sizes, and is high in yield, and the frame structure is convenient to overhaul.

Description

Technical Field

[0001] The utility model relates to the technical field of film bag processing, in particular to a film bag folding device. Background Art

[0002] Patent document CN219988612U discloses a packaging bag production device, including a cabinet, on which a feeding mechanism, a folding mechanism, a heat sealing mechanism, an air jet mechanism, a coding mechanism, a sealing mechanism, and a cutting mechanism are sequentially arranged along the production direction of the packaging bags. The air jet mechanism is used to spray air into the heat-sealed packaging bag to open the bag body, facilitate the inspection of the bag body by the staff, discharge the waste gas in the bag, and cool the bag body, so as to facilitate the safe storage of the goods in the bag.

[0003] In the above scheme, the folding mechanism of the production device has a simple structure, and the plastic film is folded in half only by a folding vertical rod. The number of tensioning rollers is small, which easily leads to film wrinkles, film not being stretched, and film not being aligned. At the same time, it cannot meet the folding requirements of larger-sized raw material rolls. Therefore, it is necessary to provide a film bag folding device to solve the shortcomings of the prior art. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art and provide a film bag folding device.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A film bag folding device comprises a fixed frame, a top frame is provided on the top of the fixed frame, a bottom frame is provided on the bottom of the fixed frame, vertical rods are provided at the four corners of the fixed frame, a vertical roller is provided at the front end of the fixed frame, the two ends of the vertical roller are respectively connected to the top frame and the bottom frame, two folding rods are provided in the middle of the fixed frame, the two ends of the folding rods are respectively connected to two diagonally opposite vertical rods, two end plates are provided at the rear end of the fixed frame, the two end plates are respectively connected to the two vertical rods at the rear end, a clamping roller is provided between the two end plates, a guide roller is provided at the rear end of the clamping roller, and a tensioning frame is provided on the front side of the fixed frame.

[0007] The utility model is further configured that a tensioning roller group is arranged inside the tensioning frame, both ends of each shaft roller of the tensioning roller group are connected to an adjusting rod, and both ends of the adjusting rod are connected to the inside of the tensioning frame.

[0008] The utility model is further configured that the tensioning roller group comprises an upper roller group and a lower roller group, and the upper roller group and the lower roller group are arranged at intervals with the same interval distance.

[0009] The utility model is further configured that two side plates are extended from the rear end of the tensioning frame, and a lower roller and an oblique rod are arranged between the two side plates.

[0010] The utility model is further configured that two ends of the oblique rod are respectively connected to two side plates, and the oblique rod and the side plates form an angle of 45 degrees.

[0011] The utility model is further configured that an inspection door is provided on the front side of the tensioning frame, and a handle is provided in the middle of the inspection door.

[0012] The utility model is further configured that a coiling rack is provided at the front side of the tensioning frame, a coiling roller is installed on the coiling rack, and a raw material coil is provided on the coiling roller.

[0013] The utility model is further configured that a driving motor is provided at one end of the coiling frame, and an output end of the driving motor passes through the coiling frame and is connected to the coiling roller.

[0014] In summary, the utility model has the following beneficial effects:

[0015] 1. The utility model adjusts the tension of the raw material coil by evenly spaced upper and lower roller groups, and performs traction and guidance, so as to avoid insufficient tension of the raw material coil, wrinkles and inaccurate positioning.

[0016] 2. The utility model has a firm structure and can meet the needs of conveying and folding raw material coils of different sizes, has a high yield rate, and the frame structure is easy to maintain.

[0017] 3. The driving motor of the utility model can cooperate with the material pulling unit of the subsequent working section, so that the coiled material wound on the coiling roller is continuously folded through the folding rod, and the conveying is stable, which is convenient for subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a schematic diagram of the utility model of the fixed frame winding the raw material coil.

[0020] In the figure, 1. fixed frame, 11. top frame, 12. bottom frame, 13. vertical rod, 14. vertical roller, 15. folding rod, 16. end plate, 17. clamping roller, 18. guide roller, 2. tensioning frame, 21. upper roller group, 22. lower roller group, 23. adjustment rod, 24. side plate, 25. lower roller, 26. oblique rod, 27. maintenance door, 3. coil rack, 31. coil roller, 4. drive motor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] In this embodiment, if Figure 1-2 As shown, a film bag folding device proposed by the utility model includes a fixed frame 1, a top frame 11 is provided on the top of the fixed frame, a bottom frame 12 is provided on the bottom of the fixed frame, vertical rods 13 are provided at the four corners of the fixed frame, a vertical roller 14 is provided at the front end of the fixed frame, and the two ends of the vertical roller are respectively connected to the top frame and the bottom frame, two folding rods 15 are provided in the middle of the fixed frame, and the two ends of the folding rods are respectively connected to two diagonally opposite vertical rods, two end plates 16 are provided at the rear end of the fixed frame, and the two end plates are respectively connected to the two vertical rods at the rear end, a clamping roller 17 is provided between the two end plates, a guide roller 18 is provided at the rear end of the clamping roller, and a tensioning frame 2 is provided on the front side of the fixed frame.

[0024] In this embodiment, a tensioning roller group is further arranged inside the tensioning frame, both ends of each roller of the tensioning roller group are connected to the adjusting rod 23, and both ends of the adjusting rod are connected to the inside of the tensioning frame.

[0025] In this embodiment, it is further configured that the tensioning roller group includes an upper roller group 21 and a lower roller group 22. The upper roller group and the lower roller group are arranged in an alternating manner with the same spacing distance. The raw material coil passes through the upper roller group and the lower roller group one by one. The upper roller group and the lower roller group can adjust the tension of the raw material coil and perform traction and guidance to avoid insufficient tension of the raw material coil, wrinkles and inaccurate positioning.

[0026] In this embodiment, it is further configured that two side plates 24 are extended from the rear end of the tensioning frame, and a lower roller 25 and an oblique rod 26 are arranged between the two side plates.

[0027] In this embodiment, the two ends of the oblique rod are respectively connected to the two side plates, and the oblique rod is 45 degrees to the side plates. The oblique rod can transform the movement of the raw material coil from the up and down direction to the left and right direction.

[0028] In this embodiment, it is further configured that an inspection door 27 is provided on the front of the tensioning frame, and a handle is provided in the middle of the inspection door. The inspection door is opened by the handle to inspect the internal parts of the tensioning frame. The inspection door is made of transparent glass, so that the transportation of the raw material coil inside the tensioning frame can be observed.

[0029] In this embodiment, a coiling rack 3 is further arranged at the front side of the tensioning frame, a coiling roller 31 is mounted on the coiling rack, and a raw material coil is arranged on the coiling roller.

[0030] In this embodiment, a driving motor 4 is further arranged at one end of the coiling frame, and an output end of the driving motor passes through the coiling frame and is connected to the coiling roller, and the driving motor drives the coiling roller and the raw material coil on the coiling roller to be transported in the production direction.

[0031] Embodiment 2:

[0032] In this embodiment, if Figure 1 As shown, the left and right ends of the fixed frame, the tensioning frame and the coil rack are set to the same length, the rear end of the coil rack can be connected to the front end tensioning frame, and the rear end of the tensioning frame can be connected to the front end of the fixed frame, so as to improve the overall stability and make the lengths of the rollers on the fixed frame, the tensioning frame and the coil rack consistent, so that the raw material coil is more convenient to position when it is wound on the roller.

[0033] The working principle of the film bag folding device is as follows: the raw material coil is installed on the coil roller, and the coil is pulled up and down through the upper roller group and the lower roller group to tension the coil, and the coil is pulled through the lower roller and the oblique rod to change the movement of the coil from the up and down direction to the left and right direction, and the coil is pulled through the vertical roller and the folding rod to fold the two sides of the coil inward, and then through the clamping roller and the guide roller, the coil is pulled through each processing device in the subsequent production direction, and under the cooperation of the driving motor and the pulling unit, the coil wound on the coil roller is continuously folded through the folding rod to facilitate subsequent processing.

[0034] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", "right" and the like indicating orientation or positional relationship appear, it should be understood that the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A film bag folding device, characterized in that: It includes a fixed frame, a top frame is provided on the top of the fixed frame, a bottom frame is provided on the bottom of the fixed frame, vertical rods are provided at the four corners of the fixed frame, a vertical roller is provided at the front end of the fixed frame, the two ends of the vertical roller are respectively connected to the top frame and the bottom frame, two folding rods are provided in the middle of the fixed frame, the two ends of the folding rods are respectively connected to two diagonally opposite vertical rods, two end plates are provided at the rear end of the fixed frame, the two end plates are respectively connected to the two vertical rods at the rear end, a clamping roller is provided between the two end plates, a guide roller is provided at the rear end of the clamping roller, and a tensioning frame is provided at the front side of the fixed frame.

2. A film bag folding device according to claim 1, characterized in that: A tensioning roller group is arranged inside the tensioning frame, both ends of each shaft roller of the tensioning roller group are connected with an adjusting rod, and both ends of the adjusting rod are connected with the inside of the tensioning frame.

3. A film bag folding device according to claim 2, characterized in that: The tensioning roller group comprises an upper roller group and a lower roller group, and the upper roller group and the lower roller group are arranged at intervals with the same interval distance.

4. A film bag folding device according to claim 1, characterized in that: Two side plates are extended from the rear end of the tensioning frame, and a lower roller and an oblique rod are arranged between the two side plates.

5. A film bag folding device according to claim 4, characterized in that: The two ends of the diagonal rod are respectively connected to the two side panels, and the angle between the diagonal rod and the side panels is 45 degrees.

6. A film bag folding device according to claim 1, characterized in that: An inspection door is arranged on the front of the tensioning frame, and a handle is arranged in the middle of the inspection door.

7. The film bag folding device according to claim 1, characterized in that: A coiling rack is arranged at the front side of the tensioning frame, a coiling roller is installed on the coiling rack, and a raw material coil is arranged on the coiling roller.

8. A film bag folding device according to claim 7, characterized in that: A driving motor is arranged at one end of the coiling frame, and an output end of the driving motor passes through the coiling frame and is connected with the coiling roller.

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