Plastic film anti-wrinkle rewinding device

Abstract

The utility model discloses an anti-wrinkle rewinding device for a plastic film, relates to the technical field of rewinding devices, and aims to solve the problem that the rewinding of the plastic film is wrinkled due to the fact that the rewinding compactness is improved by preventing inertial rotation of the film through an arranged friction plate structure of the conventional rewinding device but the rewinding flatness of the plastic film cannot be ensured. Comprising a device platen, a support plate is welded to the upper end of the device platen, a winding drum and a driving motor are arranged on the two sides of the support plate respectively, an output shaft of the driving motor is in transmission connection with the winding drum through a coupling mechanism, a limiting ring block is arranged on the outer wall of the winding drum, and the limiting ring block and the winding drum are of an integrated structure; the guide sliding groove is formed in the device table plate, the guide sliding groove and the device table plate are of an integrated structure, an internally-connected sliding block is movably arranged in the guide sliding groove, a movable seat plate is arranged at the upper end of the internally-connected sliding block, and the movable seat plate and the internally-connected sliding block are of an integrated structure.

Description

Technical Field

[0001] The utility model relates to the technical field of rewinding devices, in particular to a plastic film wrinkle-proof rewinding device. Background Art

[0002] Plastic film, after the slitting process, the plastic film needs to be rewound with the help of a rewinding device.

[0003] For example, the announcement number is: CN107804730A (named as a film rewinding device), which includes a rewinding frame and a rewinding frame. The rewinding frame and the rewinding frame are both firmly fixed on the horizontal ground and are fixedly connected by a connecting rod; the rewinding frame includes a horizontal seat, and vertical seats are fixedly welded on both sides of the upper part of the horizontal seat. The horizontal seat and the vertical seat are reinforced by a reinforcing seat, and a rewinding shaft support seat is fixedly welded on the top of the vertical seat. A rewinding shaft support groove is opened in the middle of the rewinding shaft support seat, and the rewinding shaft is installed on two symmetrically arranged rewinding shafts. In the support groove, a threaded portion is provided in the middle position of the unwinding shaft, and unwinding support roller limiters are provided at both ends of the unwinding shaft; a deceleration support seat is also fixedly welded on the side of one of the vertical seats, and the linkage shaft is installed on the deceleration support seat through a linkage shaft bearing. The linkage shaft includes a linkage shaft rod and a linkage gear, and the linkage shaft rod is fixedly connected to the unwinding shaft through a linkage pin. After rewinding is completed, the inertial rotation of the film roll is eliminated through the action of the friction plate, which not only makes the film tightly wound on the rewinding shaft, but also improves the product qualification rate and production efficiency.

[0004] The above-mentioned rewinding device prevents the inertial rotation of the film by setting a friction plate structure to improve the compactness of the winding, but it cannot ensure the flatness of the rewinding of the plastic film, resulting in the problem of wrinkles in the rewinding of the plastic film. For this reason, we provide a plastic film anti-wrinkle rewinding device. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic film anti-wrinkle rewinding device to solve the problem that the existing rewinding device proposed in the above background technology prevents the inertial rotation of the film by setting a friction plate structure to improve the compactness of the rewinding, but cannot ensure the flatness of the rewound plastic film, resulting in wrinkles in the rewound plastic film.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic film wrinkle-proof rewinding device, comprising a device table, a bracket plate is welded on the upper end of the device table, a winding drum and a driving motor are respectively arranged on both sides of the bracket plate, the output shaft of the driving motor is connected to the winding drum through a coupling mechanism, a limiting ring block is arranged on the outer wall of the winding drum, and the limiting ring block and the winding drum are an integrated structure;

[0007] Also includes:

[0008] A guide slide groove is arranged inside the device platform, the guide slide groove and the device platform are an integrated structure, and an internal slider is movably arranged inside the guide slide groove, and a movable seat plate is arranged on the upper end of the internal slider, the movable seat plate and the internal slider are an integrated structure, and a first electric push rod is fixed on the upper end of the movable seat plate by screws;

[0009] An extension connecting rod is welded on the piston rod of the first electric push rod, and a movable ring block is welded on the upper end of the extension connecting rod, and the movable ring block is sleeve-connected with the winding drum;

[0010] A front frame plate is welded and arranged at the front end position of the device table, and a leveling frame is arranged on the front end surface of the front frame plate, a trowel plate is arranged inside the leveling frame, and a connecting seat is welded and arranged at the upper end of the trowel plate;

[0011] The tension adjustment platform is arranged between the winding drum and the front frame plate, and a pressing roller is arranged inside the tension adjustment platform. A second electric push rod is fixed at the bottom of the tension adjustment platform by screws.

[0012] Preferably, a roller is provided in the inner groove at the bottom of the inner slider, the roller is movably connected to the inner slider through a bearing and a connecting shaft, the inner slider is rollingly connected to the guide groove through the roller, positioning holes are provided on both sides of the guide groove, and the two positioning holes are an integral structure with the device table.

[0013] Preferably, a through hole is provided inside the internally connected sliding block, two positioning through holes are located on the same horizontal line, and a positioning rod is installed inside two adjacent positioning through holes and the through hole.

[0014] Preferably, a guide seat is arranged above the connecting seat, the guide seat is welded to the inner wall of the leveling frame, a return spring is arranged inside the guide seat, and both ends of the return spring are fixedly connected to the guide seat and the connecting seat respectively by nail-free glue.

[0015] Preferably, a contact roller is arranged below the pressing roller, and the pressing roller and the contact roller are rotatably connected to the tension adjustment platform via a connecting shaft.

[0016] Preferably, two guide rollers are provided in the inner square groove of the front frame plate, and the two guide rollers are rotatably connected to the front frame plate via a connecting shaft.

[0017] Preferably, two mounting hole plates are welded on the outer wall of one end of the leveling frame, and the two mounting hole plates are fixedly connected to the front frame plate by screws.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model allows the plastic film to be rewound to pass through a leveling frame first, and then use a screed plate inside the leveling frame to smooth the film to avoid wrinkles. Then, the plastic film is passed through a gap between two guide rollers, and then the plastic film is passed through a gap between a pressing roller and a contact roller, and finally is wound around a winding drum. A driving motor drives the winding drum to rotate, and a limiting ring block and a movable ring block limit the rewinding of the plastic film to avoid winding deviation. The second electric push rod drives the tension adjustment table to perform lifting and lowering activities, thereby improving the tightness of the plastic film during the rewinding process and ensuring the compactness of the rolled plastic film. The utility model overcomes the problem that the existing rewinding device prevents the inertial rotation of the film by the arranged friction plate structure to improve the compactness of the rewinding, but cannot ensure the flatness of the rewinding of the plastic film, resulting in wrinkles in the rewinding of the plastic film.

[0020] The movable ring block is pushed down from the winding drum by the first electric push rod, and then the extension connecting rod is pulled out, and the movable ring block is pushed away from the winding drum through the movable connection between the internal slider and the guide slide groove, and finally the rewound plastic film can be taken off the winding drum, so as to achieve the purpose of facilitating the unloading after rewinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the plastic film anti-wrinkle rewinding device of the utility model;

[0022] Figure 2 This is a schematic diagram of the connection structure between the positioning rod and the internal slider of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the tension adjustment platform of the utility model;

[0024] Figure 4 This is a schematic diagram of the internal structure of the leveling frame of the utility model;

[0025] In the figure: 1. device table; 2. bracket plate; 3. winding drum; 4. driving motor; 5. limiting ring block; 6. movable ring block; 7. guide slide; 8. movable seat plate; 9. first electric push rod; 10. extension connecting rod; 11. front frame plate; 12. guide roller; 13. leveling frame; 14. tension adjustment table; 15. pressing roller; 16. second electric push rod; 17. internal slider; 18. roller; 19. through hole; 20. positioning through hole; 21. positioning plug rod; 22. contact roller; 23. mounting hole plate; 24. trowel plate; 25. connecting seat; 26. guide seat; 27. reset spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] See also Figure 1-4 The utility model provides an embodiment: a plastic film wrinkle-proof rewinding device, comprising a device plate 1, a bracket plate 2 is welded on the upper end of the device plate 1, a winding drum 3 and a driving motor 4 are respectively arranged on both sides of the bracket plate 2, the output shaft of the driving motor 4 is connected to the winding drum 3 through a coupling mechanism, a limiting ring block 5 is arranged on the outer wall of the winding drum 3, and the limiting ring block 5 and the winding drum 3 are an integrated structure;

[0028] Also includes:

[0029] A guide slide groove 7 is arranged inside the device platform 1. The guide slide groove 7 and the device platform 1 are an integrated structure. An internal slider 17 is movably arranged inside the guide slide groove 7. A movable seat plate 8 is arranged at the upper end of the internal slider 17. The movable seat plate 8 and the internal slider 17 are an integrated structure. A first electric push rod 9 is fixed at the upper end of the movable seat plate 8 by screws;

[0030] An extension connecting rod 10 is welded on the piston rod of the first electric push rod 9, and a movable ring block 6 is welded on the upper end of the extension connecting rod 10, and the movable ring block 6 is sleeve-connected with the winding drum 3;

[0031] The front frame plate 11 is welded and arranged at the front end position of the device table 1, and a leveling frame 13 is arranged on the front end surface of the front frame plate 11, a trowel plate 24 is arranged inside the leveling frame 13, and a connecting seat 25 is welded and arranged on the upper end of the trowel plate 24;

[0032] The tension adjustment platform 14 is arranged between the winding drum 3 and the front frame plate 11, and a pressing roller 15 is arranged inside the tension adjustment platform 14. A second electric push rod 16 is fixed at the bottom of the tension adjustment platform 14 by screws.

[0033] When in use, the plastic film to be rewound is first passed through the leveling frame, and the film is smoothed by the screed plate inside the leveling frame to avoid wrinkles. The plastic film is then passed through the gap between the two guide rollers, and then through the gap between the pressing roller and the contact roller. Finally, the plastic film is wound around the winding drum, and the driving motor drives the winding drum to rotate. The limit ring block and the movable ring block limit the rewinding of the plastic film to avoid winding deviation. The second electric push rod drives the tension adjustment table to move up and down, thereby increasing the tightness of the plastic film during the rewinding process.

[0034] See also Figure 2A roller 18 is provided in the bottom inner groove of the internal slider 17, and the roller 18 is movably connected to the internal slider 17 through a bearing and a connecting shaft. The internal slider 17 is rollingly connected to the guide slide groove 7 through the roller 18. Positioning holes 20 are provided on both sides of the guide slide groove 7. The two positioning holes 20 are an integral structure with the device table 1. The roller 18 provided in the bottom inner groove of the internal slider 17 serves to facilitate the rolling of the internal slider 17 and the guide slide groove 7.

[0035] See also Figure 2 A through hole 19 is provided inside the internal slider 17, and two positioning through holes 20 are located on the same horizontal line. A positioning rod 21 is installed inside the two adjacent positioning through holes 20 and the through hole 19. The through hole 19 provided inside the internal slider 17 serves to facilitate the positioning of the positioning rod 21.

[0036] See also Figure 4 A guide seat 26 is arranged above the connecting seat 25, and the guide seat 26 is welded to the inner wall of the leveling frame 13. A return spring 27 is arranged inside the guide seat 26. The two ends of the return spring 27 are fixedly connected to the guide seat 26 and the connecting seat 25 respectively by nail-free glue. The guide seat 26 arranged above the connecting seat 25 plays a role in assisting the lifting and lowering activities of the connecting seat 25.

[0037] See also Figure 3 A contact roller 22 is arranged below the pressing roller 15. The pressing roller 15 and the contact roller 22 are rotatably connected to the tension adjustment platform 14 through a connecting shaft. The contact roller 22 arranged below the pressing roller 15 plays a role in contact-assisted plastic film winding.

[0038] See also Figure 1 Two guide rollers 12 are arranged in the inner square groove of the front frame plate 11. The two guide rollers 12 are rotatably connected to the front frame plate 11 through a connecting shaft. The two guide rollers 12 arranged in the inner square groove of the front frame plate 11 play the role of providing a guide path for the rewinding of the plastic film.

[0039] See also Figure 4 Two mounting hole plates 23 are welded on the outer wall of one end of the leveling frame 13, and the two mounting hole plates 23 are fixedly connected to the front frame plate 11 by screws. The two mounting hole plates 23 welded on the outer wall of one end of the leveling frame 13 serve to facilitate the connection between the leveling frame 13 and the front frame plate 11.

[0040] Working principle: When in use, the plastic film to be rewound first passes through the leveling frame 13, and the film is smoothed by the screed plate 24 inside the leveling frame 13 to avoid wrinkles. Then the plastic film passes through the gap between the two guide rollers 12, and then the plastic film passes through the gap between the pressing roller 15 and the contact roller 22, and finally is wound on the winding drum 3. The driving motor 4 drives the winding drum 3 to rotate, and the limiting ring block 5 and the movable ring block 6 limit the rewinding of the plastic film to avoid winding deviation. The second electric push rod 16 drives the tension adjustment platform 14 to perform lifting activities, thereby improving the tightness of the plastic film during the rewinding process and ensuring the compactness of the rolled plastic film. After the rewinding is completed, the movable ring block 6 is pushed down from the winding drum 3 by the first electric push rod 9, and then the extension connecting rod 10 is pulled out, and the movable ring block 6 is pushed away from the winding drum 3 through the movable connection between the internal slider 17 and the guide slide groove 7. Finally, the rewound plastic film can be removed from the winding drum 3, so as to achieve the purpose of facilitating the unloading after rewinding and complete the use of the plastic film anti-wrinkle rewinding device.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic film wrinkle-proof rewinding device, comprising a device table (1), a support plate (2) being welded to the upper end of the device table (1), a winding drum (3) and a driving motor (4) being respectively arranged on both sides of the support plate (2), an output shaft of the driving motor (4) being transmission-connected to the winding drum (3) via a coupling mechanism, a limiting ring block (5) being arranged on the outer wall of the winding drum (3), and the limiting ring block (5) and the winding drum (3) being an integral structure; Features: Also includes: A guide slide groove (7) is arranged inside the device platform (1), the guide slide groove (7) and the device platform (1) are an integral structure, and an internal slider (17) is movably arranged inside the guide slide groove (7), a movable seat plate (8) is arranged at the upper end of the internal slider (17), the movable seat plate (8) and the internal slider (17) are an integral structure, and a first electric push rod (9) is fixed at the upper end of the movable seat plate (8) by screws; An extension connecting rod (10) is welded to the piston rod of the first electric push rod (9), and a movable ring block (6) is welded to the upper end of the extension connecting rod (10), and the movable ring block (6) is sleeve-connected to the winding drum (3); A front frame plate (11) is welded and arranged at the front end position of the device table (1), and a leveling frame (13) is arranged on the front end surface of the front frame plate (11), a trowel plate (24) is arranged inside the leveling frame (13), and a connecting seat (25) is welded and arranged at the upper end of the trowel plate (24); The tension adjustment platform (14) is arranged between the winding drum (3) and the front frame plate (11), and a pressing roller (15) is arranged inside the tension adjustment platform (14). A second electric push rod (16) is fixed at the bottom of the tension adjustment platform (14) by means of screws.

2. A plastic film wrinkle-proof rewinding device according to claim 1, characterized in that: A roller (18) is arranged in the inner groove at the bottom of the inner sliding block (17), and the roller (18) is movably connected to the inner sliding block (17) through a bearing and a connecting shaft. The inner sliding block (17) is rollingly connected to the guide sliding groove (7) through the roller (18), and positioning through holes (20) are arranged on both sides of the guide sliding groove (7), and the two positioning through holes (20) are both integrally formed with the device table (1).

3. A plastic film wrinkle-proof rewinding device according to claim 2, characterized in that: The inner portion of the internally connected sliding block (17) is provided with a through hole (19), the two positioning through holes (20) are located on the same horizontal line, and a positioning plug rod (21) is installed in between two adjacent positioning through holes (20) and the through hole (19) through insertion.

4. The plastic film anti-wrinkle rewinding device according to claim 1, characterized in that: A guide seat (26) is arranged above the connecting seat (25), the guide seat (26) is welded to the inner wall of the leveling frame (13), a return spring (27) is arranged inside the guide seat (26), and two ends of the return spring (27) are respectively fixedly connected to the guide seat (26) and the connecting seat (25) by nail-free glue.

5. The plastic film anti-wrinkle rewinding device according to claim 1, characterized in that: A contact roller (22) is arranged below the pressing roller (15), and the pressing roller (15) and the contact roller (22) are rotatably connected to the tension adjustment platform (14) via a connecting shaft.

6. The plastic film wrinkle-proof rewinding device according to claim 1, characterized in that: Two guide rollers (12) are arranged in the inner square groove of the front frame plate (11), and the two guide rollers (12) are rotatably connected to the front frame plate (11) via a connecting shaft.

7. The plastic film anti-wrinkle rewinding device according to claim 1, characterized in that: Two mounting hole plates (23) are welded on an outer wall at one end of the leveling frame (13), and the two mounting hole plates (23) are fixedly connected to the front frame plate (11) by means of screws.

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