Winding film sealing and cutting machine

Abstract

The utility model discloses a wrapping film sealing and cutting machine, and relates to the technical field of wrapping film processing. The wrapping film sealing and cutting machine comprises a conveying frame and an adjusting box, a conveying unit is arranged on the conveying frame, mounting plates are fixedly mounted on the front side and the rear side of the conveying frame, supporting rods are fixedly mounted at the tops of the mounting plates, mounting plates are fixedly mounted at the tops of the supporting rods, and first electric push rods are fixedly mounted at the tops of the mounting plates. According to the wrapping film sealing and cutting machine, in the wrapping film sealing and cutting process, a wrapping film can be pressed, in this way, in the sealing and cutting process, the situation that in the sealing and cutting process, the wrapping film moves, and consequently the sealing and cutting precision deviates is avoided, and through cooperative use of an adjusting box, a threaded rod, a guide rod and a moving block, when the wrapping film is sealed and cut, the sealing and cutting precision of the wrapping film is improved. And the wrapping film is smoothed, the situation that the length of the wrapping film is inconsistent after sealing and cutting is avoided, and therefore the sealing and cutting effect of the device on the wrapping film can be improved, and the quality of the wrapping film after sealing and cutting can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stretch film processing, in particular to a stretch film sealing and cutting machine. Background Art

[0002] A low-loss film sealing and cutting machine with announcement number CN220032415U can realize preheating of film-packaged products by using the preheating mechanism on the sealing and cutting mechanism, making it more convenient and faster for the products to be sealed and cut below the sealing and cutting knife component, and can effectively avoid the situation where the sealing and cutting knife component cannot be cut when the temperature is low, thereby reducing the loss of the film and unnecessary loss costs during packaging. First, the rotor is rotated to rotate along the special-shaped groove, thereby driving the wind shield to rotate and open the space between the frame and the outside, and then the airflow blown out by the blowing component carries the heat generated by the heating pipe component to the products passing below The external film is preheated to further improve the efficiency of the sealing and cutting knife components during sealing and cutting, and the angle of the wind shield to rotate and open can be adjusted by rotating the rotating head using the protrusion in the special-shaped groove, thereby controlling the angle of the air blowing out. The wind shield is driven to a horizontal position by rotating the rotating head, and then the screw is rotated to advance into the connecting channel according to the size of the product, and the slider is pushed to squeeze the movable block back into the rotating rod, and then the rotating head is rotated to drive the wind shield not fixed by the screw to rotate and open the frame to connect with the external space. The above structure can adjust the preheating range according to the size of the product and reduce the preheating loss.

[0003] The above-mentioned low-loss film sealing and cutting machine is difficult to smooth the film during the film sealing and cutting process. This may easily cause wrinkles in the film during the film sealing and cutting, resulting in inconsistent film sealing and cutting lengths, which affects the film sealing and cutting effect. Utility Model Content

[0004] The utility model aims to provide a stretch film sealing and cutting machine, which can solve the problem that the film sealing and cutting length is inconsistent due to wrinkles in the film when the film is sealed and cut.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stretch film sealing and cutting machine, comprising a conveying frame and an adjusting box, the conveying frame is provided with a conveying unit, the front and rear sides of the conveying frame are fixedly installed with supporting side plates, the top of the supporting side plates is fixedly installed with a supporting rod, the top of the supporting rod is fixedly installed with a mounting plate, the top of the mounting plate is fixedly installed with a first electric push rod, one side of the adjusting box is fixedly installed with a driving motor, the adjusting box is provided with a pressing roller, the driving motor is used to drive the pressing roller to move laterally, and the first electric push rod is used to drive the pressing roller to rise and fall.

[0006] Preferably, the free end of the first electric push rod extends to the bottom of the mounting plate and is fixedly mounted with a lifting plate, a connecting rod is fixedly mounted at the bottom of the lifting plate, a cutting knife is fixedly mounted at the bottom of the connecting rod, and the lifting plate and the support rod are slidably mounted.

[0007] Preferably, a fixed side plate is fixedly installed on one side of the lifting plate, a second electric push rod is fixedly installed on the top of the fixed side plate, the free end of the second electric push rod extends to the bottom of the fixed side plate and is fixedly installed with a connecting cross plate, a mounting sleeve and an extrusion spring are fixedly installed on the bottom of the connecting cross plate, the extrusion spring is located inside the mounting sleeve, an annular plate is fixedly installed on the bottom of the extrusion spring, a sliding vertical rod is fixedly installed on the bottom of the annular plate, and the bottom of the sliding vertical rod is fixedly installed on the top of the adjusting box.

[0008] Preferably, threaded rods are rotatably installed on the inner walls of both sides of the adjusting box, guide rods are fixedly installed on the inner walls of both sides of the adjusting box, moving blocks are slidably installed on the outer walls of the guide rods, the moving blocks and the threaded rods are threadedly installed, a supporting vertical plate is fixedly installed on the bottom of the moving block, a U-shaped plate is fixedly installed on the bottom of the supporting vertical plate, and pressing rollers are rotatably installed on the front inner wall and the rear inner wall of the U-shaped plate.

[0009] Preferably, the bottom of the regulating box is open and a threaded groove matching the threaded rod is transversely opened inside the moving block, so that the threaded rod can be driven to drive the moving block to move.

[0010] Preferably, the pressing roller and the cutter are not on the same horizontal line and the pressing roller is located below the cutter. Such an arrangement enables the pressing roller to press the wrapping film.

[0011] Preferably, the rotating shaft of the driving motor extends into the interior of the regulating box and is fixedly mounted to one end of the threaded rod. This arrangement facilitates the driving motor to drive the threaded rod to rotate.

[0012] Compared with the prior art, the beneficial effect of the utility model is that the stretch film sealing and cutting machine, through the coordinated use of the first electric push rod, the lifting plate, the connecting rod, the cutter, the fixed side plate and the pressing roller, can press the stretch film during the sealing and cutting process of the stretch film, so that during the sealing and cutting process, the movement of the stretch film causing the deviation of the sealing and cutting accuracy can be avoided, and the coordinated use of the adjustment box, the threaded rod, the guide rod and the moving block can smooth the stretch film during the sealing and cutting of the stretch film, so as to avoid the situation that the length of the stretch film is inconsistent after sealing and cutting, thereby improving the sealing and cutting effect of the device on the stretch film and improving the quality of the stretch film after sealing and cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a cross-sectional view of the regulating box of the utility model;

[0016] Figure 3 It is a cross-sectional view of the installation sleeve of the utility model.

[0017] 1. Conveying frame; 2. Conveying unit; 3. Support side plate; 4. Support rod; 5. Mounting plate; 6. First electric push rod; 7. Lifting plate; 8. Connecting rod; 9. Cutter; 10. Fixed side plate; 11. Second electric push rod; 12. Connecting horizontal plate; 13. Mounting sleeve; 14. Extrusion spring; 15. Sliding vertical rod; 16. Adjusting box; 17. Driving motor; 18. Threaded rod; 19. Guide rod; 20. Moving block; 21. Support vertical plate; 22. U-shaped plate; 23. Pressing roller. DETAILED DESCRIPTION

[0018] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution: a stretch film sealing and cutting machine, including a conveying frame 1 and an adjusting box 16, the conveying frame 1 is provided with a conveying unit 2, the front and rear sides of the conveying frame 1 are fixedly installed with supporting side plates 3, the top of the supporting side plates 3 is fixedly installed with a supporting rod 4, the top of the supporting rod 4 is fixedly installed with a mounting plate 5, the top of the mounting plate 5 is fixedly installed with a first electric push rod 6, one side of the adjusting box 16 is fixedly installed with a driving motor 17, the adjusting box 16 is provided with a pressing roller 23, the driving motor 17 is used to drive the pressing roller 23 to move laterally, and the first electric push rod 6 is used to drive the pressing roller 23 to move up and down.

[0020] Furthermore, the free end of the first electric push rod 6 extends to the bottom of the mounting plate 5 and is fixedly mounted with a lifting plate 7, a connecting rod 8 is fixedly mounted at the bottom of the lifting plate 7, a cutter 9 is fixedly mounted at the bottom of the connecting rod 8, and the lifting plate 7 and the support rod 4 are slidably mounted.

[0021] Furthermore, a fixed side plate 10 is fixedly installed on one side of the lifting plate 7, a second electric push rod 11 is fixedly installed on the top of the fixed side plate 10, a free end of the second electric push rod 11 extends to the bottom of the fixed side plate 10 and is fixedly installed with a connecting cross plate 12, a mounting sleeve 13 and an extrusion spring 14 are fixedly installed on the bottom of the connecting cross plate 12, the extrusion spring 14 is located inside the mounting sleeve 13, an annular plate is fixedly installed on the bottom of the extrusion spring 14, a sliding vertical rod 15 is fixedly installed on the bottom of the annular plate, and the bottom of the sliding vertical rod 15 is fixedly installed on the top of the adjusting box 16, such an arrangement can press the stretch film during the sealing and cutting process of the stretch film, so as to avoid the movement of the stretch film and the deviation of the sealing and cutting accuracy during the sealing and cutting process.

[0022] Furthermore, threaded rods 18 are rotatably installed on the inner walls of both sides of the adjusting box 16, guide rods 19 are fixedly installed on the inner walls of both sides of the adjusting box 16, and moving blocks 20 are slidably installed on the outer walls of the guide rods 19. The moving blocks 20 and the threaded rods 18 are threadedly installed, and a supporting vertical plate 21 is fixedly installed on the bottom of the moving block 20, and a U-shaped plate 22 is fixedly installed on the bottom of the supporting vertical plate 21. Pressing rollers 23 are rotatably installed on the front inner walls and the rear inner walls of the U-shaped plate 22. This arrangement can smooth the stretch film when sealing and cutting the stretch film, avoid the situation where the length of the stretch film is inconsistent after sealing and cutting, and thereby improve the sealing and cutting effect of the device on the stretch film and improve the quality of the stretch film after sealing and cutting.

[0023] Secondly, the bottom of the adjusting box 16 is open and a threaded groove matching the threaded rod 18 is horizontally opened inside the moving block 20. The pressing roller 23 and the cutter 9 are not on the same horizontal line and the pressing roller 23 is located below the cutter 9. The rotating shaft of the driving motor 17 extends to the interior of the adjusting box 16 and is fixedly installed with one end of the threaded rod 18.

[0024] Working principle: when in use, the wrapping film is conveyed through the conveying unit 2. When the wrapping film needs to be sealed and cut, the first electric push rod 6 is controlled to start, and the first electric push rod 6 starts to drive the cutter 9 to descend. The cutter 9 descends to seal and cut the wrapping film, and the first electric push rod 6 is started to drive the lifting plate 7 to descend. The descent of the lifting plate 7 can drive the fixed side plate 10 to descend. The descent of the fixed side plate 10 drives the installation sleeve 13 and the sliding vertical rod 15 to descend. The sliding vertical rod 15 descends and drives the pressing roller 23 to descend through the adjustment box 16 and the U-shaped plate 22, and the wrapping film can be pressed through the pressing roller 23. After pressing, the driving motor 17 is controlled to start, and the driving motor 17 starts to drive the threaded rod 18 to rotate. The threaded rod 18 rotates and drives the moving block 20 and the supporting vertical plate 21 to move. The support vertical plate 21 moves through the U-shaped plate 22 to drive the pressing roller 23 to move, so that the wrapping film can be smoothed, and after smoothing, the wrapping film is sealed and cut by the cutter 9.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A stretch film sealing and cutting machine, characterized in that: include: A conveying frame (1), wherein a conveying unit (2) is provided on the conveying frame (1), support side plates (3) are fixedly mounted on the front and rear sides of the conveying frame (1), a support rod (4) is fixedly mounted on the top of the support side plate (3), a mounting plate (5) is fixedly mounted on the top of the support rod (4), and a first electric push rod (6) is fixedly mounted on the top of the mounting plate (5); An adjusting box (16), a driving motor (17) is fixedly mounted on one side of the adjusting box (16), a pressing roller (23) is provided on the adjusting box (16), the driving motor (17) is used to drive the pressing roller (23) to move laterally, and the first electric push rod (6) is used to drive the pressing roller (23) to move up and down; The free end of the first electric push rod (6) extends to the bottom of the mounting plate (5) and is fixedly mounted with a lifting plate (7), a connecting rod (8) is fixedly mounted at the bottom of the lifting plate (7), a cutting knife (9) is fixedly mounted at the bottom of the connecting rod (8), and the lifting plate (7) and the support rod (4) are slidably mounted; A fixed side plate (10) is fixedly installed on one side of the lifting plate (7), a second electric push rod (11) is fixedly installed on the top of the fixed side plate (10), a free end of the second electric push rod (11) extends to the bottom of the fixed side plate (10) and is fixedly installed with a connecting transverse plate (12), a mounting sleeve (13) and a compression spring (14) are fixedly installed on the bottom of the connecting transverse plate (12), the compression spring (14) is located inside the mounting sleeve (13), an annular plate is fixedly installed on the bottom of the compression spring (14), a sliding vertical rod (15) is fixedly installed on the bottom of the annular plate, and the bottom of the sliding vertical rod (15) is fixedly installed with the top of the adjustment box (16).

2. The stretch film sealing and cutting machine according to claim 1, characterized in that: The inner walls of both sides of the regulating box (16) are rotatably mounted with threaded rods (18), the inner walls of both sides of the regulating box (16) are fixedly mounted with guide rods (19), the outer walls of the guide rods (19) are slidably mounted with moving blocks (20), the moving blocks (20) and the threaded rods (18) are threadedly mounted, a supporting vertical plate (21) is fixedly mounted on the bottom of the moving block (20), a U-shaped plate (22) is fixedly mounted on the bottom of the supporting vertical plate (21), and a pressing roller shaft (23) is rotatably mounted on the front inner wall and the rear inner wall of the U-shaped plate (22).

3. The stretch film sealing and cutting machine according to claim 2, characterized in that: The bottom of the regulating box (16) is open and a thread groove matching the threaded rod (18) is transversely opened inside the moving block (20).

4. The stretch film sealing and cutting machine according to claim 3, characterized in that: The pressing roller shaft (23) and the cutter (9) are not on the same horizontal line and the pressing roller shaft (23) is located below the cutter (9).

5. The stretch film sealing and cutting machine according to claim 4, characterized in that: The rotating shaft of the driving motor (17) extends into the interior of the regulating box (16) and is fixedly mounted on one end of the threaded rod (18).

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