Bag cutting device for packaging bag production

Abstract

The utility model discloses a bag cutting device for packaging bag production, which relates to the technical field of packaging machinery and comprises a processing table, a roller frame and a reel, the roller frame is mounted on the rear portion of the processing table, and the reel is mounted on the roller frame. The air blowing system can blow air to the upper surface and the lower surface of a packaging bag at the same time in the packaging bag conveying process, dust and sundries on the surface of the packaging bag are blown away, the surface of the cut packaging bag is cleaner, a manual cleaning mode is replaced, and the manual labor intensity is reduced. The electric telescopic rod can drive the sliding plate to transversely move in the sliding groove, and then the distance between the second driving roller and the first driving roller can be adjusted so as to meet the production requirements of packaging bags with different thicknesses, so that the packaging bag conveying device is wider in application range and higher in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machinery, in particular to a bag cutting device for producing packaging bags. Background Technique

[0002] A packaging bag refers to a bag used for packaging various articles, which facilitates the transportation and storage of goods during the production and circulation process. It is widely used in daily life and industrial production. In the processing and production of packaging bags, it is necessary to cut the finished packaging bags. After retrieval, the patent authorization announcement number CN 218084465 U discloses a bag cutting device for producing packaging bags, "including a base, the upper end surface of the base is fixedly connected with a support frame, the front end surface of the support frame is fixedly connected with an L-shaped fixing plate, an electric motor is fixedly connected inside the L-shaped fixing plate, the electric motor is fixedly connected with an L-shaped transmission block through an output shaft, T-shaped chutes are arranged at the front and rear parts of the upper end surface of the support frame, a T-shaped slider is slidably connected to the T-shaped chute, rollers are rotatably connected to the front and rear end surfaces of the T-shaped slider through rotating shafts, a T-shaped transmission block is fixedly connected to the upper end surface of the T-shaped slider, and a through groove is arranged at the front part of the upper end surface of the T-shaped transmission block". During the production process in the workshop, the packaging bags will inevitably be contaminated with dust and sundries, and it is necessary to clean them before the bag cutting is completed. The above bag cutting device cannot automatically clean the surface of the packaging bags during use, and can only be manually cleaned, which is time-consuming, laborious and inefficient. Content of the Utility Model

[0003] The purpose of the utility model is to provide a bag cutting device for producing packaging bags to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A bag packaging production bag cutting device, comprising a processing table, a roller rack and a reel. A roller rack is installed at the rear of the processing table, a reel is installed on the roller rack, a packaging bag is installed on the reel. Protective plates are installed on both sides of the processing table. A guide roller, a first driving roller, a second driving roller and an electric cylinder are sequentially arranged from back to front between the two protective plates. Both ends of the guide roller are rotatably connected to the protective plates. The first driving roller and the second driving roller are horizontally arranged. Slide plates are installed at both ends of the second driving roller. The slide plates are slidably connected to the chutes correspondingly opened on the protective plates. A motor drivingly connected to the second driving roller is installed on the outer side of the slide plates. The first driving roller is drivingly connected to the motor installed on the outer wall of the protective plate. An electric telescopic rod is installed on the outer wall of the protective plate. The piston end of the electric telescopic rod is fixedly connected to the slide plate. A cutting knife is installed at the bottom end of the electric cylinder. An upper air blowing assembly and a lower air blowing assembly are respectively arranged above and below the packaging bag between the guide roller and the first driving roller. A three-way pipe is arranged between one end of the upper air blowing assembly and one end of the lower air blowing assembly. The upper air blowing assembly and the lower air blowing assembly are connected through the three-way pipe. The other end of the three-way pipe is connected to the air blower installed on the outer wall of the protective plate.

[0006] As a further solution of the utility model: The upper air blowing assembly and the lower air blowing assembly are arranged in an up-and-down staggered manner. Both the upper air blowing assembly and the lower air blowing assembly include air blowing pipes and air blowing nozzles. A plurality of air blowing nozzles facing the packaging bag are equidistantly installed on the air blowing pipes.

[0007] As a further solution of the utility model: A reel groove adapted to the reel shaft of the reel is opened on the roller rack.

[0008] As a further solution of the utility model: A guide plate inclined downward is arranged at the front end of the processing table.

[0009] As a further solution of the utility model: A timing switch is installed on the outer wall of the protective plate. The timing switch is electrically connected to the electric cylinder.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. By setting an air blowing system composed of an upper air blowing assembly, a lower air blowing assembly, a three-way pipe and an air blower, the air blowing system can blow the upper and lower surfaces of the packaging bag simultaneously during the conveying process of the packaging bag, blow away the dust and sundries on the surface of the packaging bag, make the surface of the cut packaging bag cleaner, replace the manual cleaning method, and reduce the labor intensity of workers.

[0012] 2. By providing a sliding plate, a sliding groove and an electric telescopic rod, the electric telescopic rod can drive the sliding plate to move horizontally in the sliding groove, thereby adjusting the distance between the second driving roller and the first driving roller to meet the production requirements of packaging bags with different thicknesses, making the utility model have a wider application range and stronger practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a side sectional view of a bag cutting device for packaging bag production.

[0014] Figure 2 It is a side view of a bag cutting device for packaging bag production.

[0015] Figure 3 It is a bag cutting device for packaging bag production Figure 1 and is a schematic structural diagram of the upper blowing assembly therein.

[0016] 1. Processing table; 2. Roller frame; 3. Reel; 4. Reel groove; 5. Guide roller; 6. First driving roller; 7. Second driving roller; 8. Timing switch; 9. Electric cylinder; 10. Cutter; 11. Sliding plate; 12. Sliding groove; 13. Motor; 14. Electric telescopic rod; 15. Upper blowing assembly; 16. Lower blowing assembly; 17. Three-way pipe; 18. Blower; 19. Blowing pipe; 20. Protection plate; 21. Packaging bag; 22. Blowing nozzle; 23. Guide disc. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figure 1-2In the embodiment of the utility model, a packaging bag production and bag cutting device comprises a processing table 1, a roller frame 2 and a reel 3. The roller frame 2 is installed at the rear of the processing table 1, and the reel 3 is installed on the roller frame 2. A reel groove 4 adapted to the reel of the reel 3 is opened on the roller frame 2, and the reel groove 4 is used to limit the reel of the reel 3. A packaging bag 21 is installed on the reel 3. Protective plates 20 are installed on both sides of the processing table 1. A guide roller 5, a first driving roller 6, a second driving roller 7 and an electric cylinder 9 are arranged between the two protective plates 20 from back to front. Both ends of the guide roller 5 are rotatably connected to the protective plates 20. The first driving roller 6 and the second driving roller 7 are arranged horizontally. A cutter 10 is installed at the bottom end of the electric cylinder 9. A timing switch 8 is installed on the outer wall of the protective plate 20. The timing switch 8 is electrically connected to the electric cylinder 9. The timing switch 8 is used to control the telescopic frequency of the electric cylinder 9, thereby controlling the cutting length of the packaging bag 21.

[0019] A guide plate 23 tilted downward is disposed at the front end of the processing table 1 . The arrangement of the guide plate 23 can facilitate the smooth delivery of the cut packaging bags 21 .

[0020] See also Figure 2 , slide plates 11 are installed at both ends of the second driving roller 7, and the slide plates 11 are slidably connected to the corresponding slide grooves 12 opened on the protective plate 20. A motor 13 that is transmission-connected to the second driving roller 7 is installed on the outer side of the slide plate 11. The first driving roller 6 is transmission-connected to the motor 13 installed on the outer wall of the protective plate 20. An electric telescopic rod 14 is installed on the outer wall of the protective plate 20, and the piston end of the electric telescopic rod 14 is fixedly connected to the slide plate 11. The utility model can adapt to the production needs of packaging bags 21 with different thicknesses, so that the utility model has a wider range of applications and stronger practicality.

[0021] See also Figure 1-3 The packaging bag 21 between the guide roller 5 and the first driving roller 6 is respectively provided with an upper blowing assembly 15 and a lower blowing assembly 16, a three-way pipe 17 is provided between one end of the upper blowing assembly 15 and one end of the lower blowing assembly 16, and one end of the upper blowing assembly 15 and the lower blowing assembly 16 are connected through the three-way pipe 17, and the other end of the three-way pipe 17 is connected to the blower 18 installed on the outer wall of the protective plate 20, the upper blowing assembly 15 and the lower blowing assembly 16 are staggered up and down, the upper blowing assembly 15 and the lower blowing assembly 16 both include a blowing pipe 19 and a blowing nozzle 22, and a plurality of blowing nozzles 22 facing the packaging bag 21 are evenly spaced on the blowing pipe 19. The utility model can simultaneously blow air to the upper and lower surfaces of the packaging bag 21 during the transportation of the packaging bag 21, blow away dust and debris on the surface of the packaging bag 21, so that the surface of the packaging bag 21 after cutting is cleaner, replacing the manual cleaning method and reducing the labor intensity.

[0022] The timing switch 8 and the motor 13 are both powered by an external power source.

[0023] The working principle of the present utility model is as follows:

[0024] During use, the packaging bag 21 is gradually released from the reel 3 under the combined traction of the first driving roller 6 and the second driving roller 7, reaches the position of the cutting knife 10 with the cooperation of the guiding roller 5, and then the electric cylinder 9 drives the cutting knife 10 to cut the packaging bag 21 to a fixed length under the control of the timing switch 8. During the transportation of the packaging bag 21, the blower 18 blows air into the upper blowing assembly 15 and the lower blowing assembly 16 through the three-way pipe 17, and the air is blown out through the upper blowing assembly 15 and the lower blowing assembly 16 and acts on the upper and lower surfaces of the packaging bag 21, thereby blowing off the dust and sundries on the surface of the packaging bag 21 and keeping the surface of the packaging bag 21 clean.

[0025] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A packaging bag production and cutting device, comprising a processing table (1), a roller frame (2) and a reel (3), characterized in that: A roller frame (2) is installed at the rear of the processing table (1), a reel (3) is installed on the roller frame (2), and a packaging bag (21) is installed on the reel (3). Protective plates (20) are installed on both sides of the processing table (1). A guide roller (5), a first drive roller (6), a second drive roller (7) and an electric cylinder (9) are arranged in sequence from back to front between the two protective plates (20). Both ends of the guide roller (5) are rotatably connected to the protective plate (20). The first drive roller (6) and the second drive roller (7) are arranged horizontally. Slide plates (11) are installed at both ends of the second drive roller (7). The slide plate (11) is slidably connected to a corresponding slide groove (12) opened on the protective plate (20). A motor (13) connected to the second drive roller (7) is installed on the outer side of the slide plate (11). The first driving roller (6) is drivingly connected to a motor (13) mounted on the outer wall of the protective plate (20); an electric telescopic rod (14) is mounted on the outer wall of the protective plate (20); a piston end of the electric telescopic rod (14) is fixedly connected to the slide plate (11); a cutter (10) is mounted on the bottom end of the electric cylinder (9); an upper blowing assembly (15) and a lower blowing assembly (16) are respectively arranged above and below the packaging bag (21) between the guide roller (5) and the first driving roller (6); a three-way pipe (17) is arranged between one end of the upper blowing assembly (15) and one end of the lower blowing assembly (16); one end of the upper blowing assembly (15) and the lower blowing assembly (16) are connected via the three-way pipe (17); the other end of the three-way pipe (17) is connected to a blower (18) mounted on the outer wall of the protective plate (20).

2. A packaging bag production and cutting device according to claim 1, characterized in that: The upper blowing assembly (15) and the lower blowing assembly (16) are arranged in an offset manner up and down, and both the upper blowing assembly (15) and the lower blowing assembly (16) comprise a blowing pipe (19) and a blowing nozzle (22), and a plurality of blowing nozzles (22) facing the packaging bag (21) are installed on the blowing pipe (19) at equal intervals.

3. The packaging bag production and cutting device according to claim 1, characterized in that: The roller frame (2) is provided with a reel groove (4) adapted to the reel of the reel (3).

4. The packaging bag production and cutting device according to claim 1, characterized in that: A guide plate (23) inclined downward is provided at the front end of the processing table (1).

5. The packaging bag production and cutting device according to claim 1, characterized in that: A timing switch (8) is installed on the outer wall of the protective plate (20), and the timing switch (8) is electrically connected to the electric cylinder (9).

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