Rapid rewinding device for PP film

Abstract

The utility model relates to the technical field of PP film rapid rewinding devices, and discloses a PP film rapid rewinding device which comprises a rack used for supporting a rotary film winding roller, bearing seat frames are arranged on the two sides of the rack and used for loading the film winding roller, an inner gear ring is fixedly arranged on the outer end face of the film winding roller, and the inner gear ring is connected with the bearing seat frames. A servo driving motor used for driving the inner gear ring is fixedly arranged on the machine frame, and a gear meshed with the inner gear ring is fixedly arranged at the front end of the servo driving motor in a key connection mode. According to the PP film winding device, a PP film is introduced into the guide leveling roller and downwards rotates around the cutting cross rod, then the end of the PP film is clamped between the chuck plate and the film winding roller, and then the servo driving motor is started to drive the film winding roller to rotate so that the film can be wound. In the winding process, the redundant parts of the two side edges are cut by the cutting edges on the sliding sleeves, and compared with the prior art, the device is simpler and more efficient in structure, low in weight and convenient to transport.

Description

Technical Field

[0001] The utility model relates to the technical field of PP film fast rewinding devices, in particular to a PP film fast rewinding device. Background Art

[0002] The existing patent with publication number CN219751427U discloses a film rewinding machine, including a housing and a positioning plate, a mounting frame is fixed horizontally above the housing, the mounting frame includes a first connecting plate and a second connecting plate, an adjustment mechanism is provided on the first connecting plate, the adjustment mechanism can move along the first connecting plate, a cutting knife is provided at the lower part of the adjustment mechanism, the cutting knife can move up and down, the lower part of the positioning plate is inserted into the housing and the upper part is connected to the second connecting plate, the upper part of the positioning plate is located on the side of the adjustment mechanism, the positioning plate can move along the second connecting plate to make the positioning plate parallel or misaligned with the cutting knife. The utility model makes the position of the adjustment mechanism move more accurately through the cooperation between the positioning plate and the adjustment mechanism, which is conducive to improving the accuracy at the film cutting position;

[0003] However, its structural design is complex and the cost is high. In addition, the motor drive structure has limited accuracy, and its minimum accuracy is the pitch of a single gear. That is to say, the device cannot achieve stepless adjustment when adjusting the cutting spacing. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in order to overcome the above problems, a PP film fast rewinding device is provided, which solves the above problems.

[0005] The utility model solves the technical problem by adopting the following technical solutions:

[0006] A PP film fast rewinding device, comprising a frame for supporting a rotating film roll, bearing seats for loading the film roll are provided on both sides of the frame, an inner gear ring is fixedly provided on the outer end surface of the film roll, a servo drive motor for driving the inner gear ring is fixedly provided on the frame, and a gear meshing with the inner gear ring is fixedly provided at the front end of the servo drive motor in key connection;

[0007] A forearm frame is fixedly provided at the front end of the frame, and a guide smoothing roller is rotatably provided between the forearm frames for guiding the PP film, and a cutting cross bar is also fixedly provided on the frame, two cutting parts are slidably mounted on the cutting cross bar, and the cutting parts are provided with locking devices for locking their positions on the cutting cross bar. When the PP film is introduced by the guide smoothing roller, it bypasses the cutting cross bar and its two sides are cut and smoothed, and then it is rewound onto the film winding roller.

[0008] Preferably, two electromagnetic sleeve seats are fixedly provided at both ends of the frame, and an electromagnetic rod is installed in the cutting cross bar for generating magnetic attraction. The sliding sleeve can be fixed by the magnetic attraction of the cutting cross bar, and a blade for cutting is fixedly provided at the upper end of the sliding sleeve. The sliding sleeve can slide and rotate when the electromagnetic rod is not energized to adjust the cutting position of the blade.

[0009] Preferably, a curved notch is provided on the film rolling roller and a clamping plate is fixed by bolts on the corresponding vertical surface thereof, wherein the clamping plate is used to clamp the end of the PP film for easy winding.

[0010] Preferably, two bearing seats are fixedly provided on the upper end of the front arm frame for inserting the two ends of the guide smoothing roller, so that the guide smoothing roller can move smoothly.

[0011] Preferably, a ceramic patch is glued and fixed on the outside of the guide and leveling roller, which can effectively improve the wear resistance and reduce the electrostatic adsorption phenomenon.

[0012] Preferably, the cutting cross bar is located at the lower side of the guide and leveling roller, and scales for marking the width of the cutting cross bar are provided at intervals to facilitate adjustment.

[0013] The advantages and positive effects of the utility model are as follows: after the PP film is introduced into the guide smoothing roller and rotated downward around the cutting cross bar, its end is clamped between the clamping plate and the film rolling roller, and then the servo drive motor is started to drive the film rolling roller to rotate so that the film is rolled up. During the rolling process, the excess parts on both sides are cut by the blades on the sliding sleeves. Compared with the prior art, the structure of the device is simpler and more efficient, the weight is low and it is easy to transport, and the number of motors used is small, the cost is low, and it is stable and reliable. In addition, the wide distance between the sliding sleeves can be adjusted steplessly, and the adjustment is accurate and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the utility model.

[0017] Attached figure mark 10, guard plate; 11, chuck plate; 12, film rolling roller; 13, inner gear ring; 14, servo drive motor; 15, frame; 16, guide leveling roller; 17, front arm frame; 18, electromagnetic sleeve seat; 19, sliding sleeve; 20, cutting cross bar. DETAILED DESCRIPTION

[0018] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0019] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0020] like Figure 1-2 As shown, a PP film fast rewinding device described in the utility model comprises a frame 15 for supporting a rotating film roll 12, bearing seats are provided on both sides of the frame 15 to load the film roll 12, an inner gear ring 13 is fixedly provided on the outer end surface of the film roll 12, and a servo drive motor 14 for driving the inner gear ring 13 is fixedly provided on the frame 15, and a gear meshing with the inner gear ring 13 is fixedly provided at the front end of the servo drive motor 14 via a key connection;

[0021] A front arm frame 17 is fixedly provided at the front end of the frame 15, and a guide smoothing roller 16 is rotatably provided between the front arm frames 17 for guiding the PP film. A cutting cross bar 20 is also fixedly provided on the frame 15, and two cutting components are slidably mounted on the cutting cross bar 20, and the cutting components are provided with locking devices for locking their positions on the cutting cross bar 20. When the PP film is introduced by the guide smoothing roller 16, it bypasses the cutting cross bar 20 to cut and smooth its two sides and then rewinds it onto the film winding roller 12.

[0022] Preferably, two electromagnetic sleeve seats 18 are fixedly provided at both ends of the frame 15, and an electromagnetic rod is installed in the cutting cross bar 20 for generating magnetic attraction. The sliding sleeve 19 can be fixed by the magnetic attraction of the cutting cross bar 20, and a blade for cutting is fixedly provided at the upper end of the sliding sleeve 19. The sliding sleeve 19 can slide and rotate when the electromagnetic rod is not energized to adjust the cutting position of the blade.

[0023] Preferably, a curved notch is provided on the film rolling roller 12 and a clamping plate 11 is fixed by bolts on the corresponding vertical surface thereof, wherein the clamping plate 11 is used to clamp the end of the PP film for easy winding.

[0024] Preferably, two bearing seats are fixedly provided at the upper end of the front arm frame 17 for inserting the two ends of the guide smoothing roller 16, so that the guide smoothing roller 16 can move smoothly.

[0025] Preferably, a ceramic patch is glued and fixed on the outside of the guide and leveling roller 16, which can effectively improve the wear resistance and reduce the electrostatic adsorption phenomenon.

[0026] Preferably, the cutting cross bar 20 is located at the lower side of the guide and leveling roller 16, and scales for marking the width of the cutting cross bar 20 are provided at intervals to facilitate adjustment.

[0027] During specific implementation, the PP film is introduced into the guide smoothing roller 16 and rotated downward around the cutting cross bar 20, and then its end is clamped between the clamping plate 11 and the film winding roller 12. Then, the servo drive motor 14 is started to drive the film winding roller 12 to rotate so that the film is wound. During the winding process, the excess parts on both sides are cut by the blades on the sliding sleeves 19. Compared with the prior art, the structure of this device is simpler and more efficient, the weight is low, and it is easy to transport. It also uses a small number of motors, which is low in cost and stable and reliable. In addition, the wide distance between the sliding sleeves 19 can be adjusted steplessly, and the adjustment is accurate and convenient.

[0028] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. A PP film rapid rewinding device, comprising a frame (15) for supporting a rotating film reel (12), characterized in that: Bearing seats are provided on both sides of the frame (15) for loading the film rolling roller (12); an inner gear ring (13) is fixedly provided on the outer end surface of the film rolling roller (12); a servo drive motor (14) for driving the inner gear ring (13) is fixedly provided on the frame (15); and a gear meshing with the inner gear ring (13) is fixedly provided at the front end of the servo drive motor (14) in key connection; A front arm frame (17) is fixedly provided at the front end of the frame (15), and a guide smoothing roller (16) is rotatably provided between the front arm frames (17) for guiding the PP film. A cutting cross bar (20) is also fixedly provided on the frame (15), and two cutting components are slidably mounted on the cutting cross bar (20). The cutting components are provided with locking devices for locking their positions on the cutting cross bar (20). When the PP film is introduced by the guide smoothing roller (16), it bypasses the cutting cross bar (20) and its two sides are cut and smoothed before being rewound onto the film winding roller (12).

2. A PP film fast rewinding device according to claim 1, characterized in that: Two electromagnetic sleeve seats (18) are fixedly provided at both ends of the frame (15), and an electromagnetic rod is installed in the cutting cross bar (20) for generating magnetic attraction. Two sliding sleeves (19) are slidably provided outside the cutting cross bar (20) and can be fixed by magnetic attraction of the cutting cross bar (20). A blade for cutting is fixedly provided at the upper end of the sliding sleeve (19). The sliding sleeve (19) can slide and rotate when the electromagnetic rod is not energized to adjust the cutting position of the blade.

3. The PP film fast rewinding device according to claim 1, characterized in that: A curved notch is provided on the film rolling roller (12), and a clamping plate (11) is fixed on its corresponding vertical surface by bolts, wherein the clamping plate (11) is used to clamp the end of the PP film for easy winding.

4. The PP film fast rewinding device according to claim 1, characterized in that: Two bearing seats are fixedly provided at the upper end of the front arm frame (17) for inserting the two ends of the guide smoothing roller (16), so that the guide smoothing roller (16) can move smoothly.

5. The PP film fast rewinding device according to claim 1, characterized in that: Furthermore, a ceramic patch is glued and fixed on the outside of the guide leveling roller (16), which can effectively improve the wear resistance and reduce the electrostatic adsorption phenomenon.

6. A PP film fast rewinding device according to claim 1, characterized in that: The cutting cross bar (20) is located at a lower side of the guide leveling roller (16), and scales for marking the width of the cutting cross bar (20) are provided at intervals to facilitate adjustment.

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