Slitting mechanism for protective film

Abstract

The slitting mechanism for the protective film comprises a base and a slitting assembly, a support is arranged on the base, and the slitting assembly is arranged on the support. The slitting assembly comprises a sliding seat, a rotating shaft, a supporting plate and a slitting piece, a telescopic piece is arranged on the support, the sliding seat is arranged on the support in a sliding mode and connected to the telescopic piece, a distance adjusting piece is arranged on the sliding seat, the supporting plate is arranged on the distance adjusting piece, and the supporting plate is rotationally connected with an inner spline through the rotating shaft. Outer splines matched with the inner splines are arranged at the two ends of the rotating shaft, and the slitting piece is arranged on the rotating shaft. The utility model belongs to the technical field of slitting mechanisms, and particularly relates to a slitting mechanism for a protective film.

Description

Technical Field

[0001] The utility model belongs to the technical field of slitting mechanisms, in particular to a slitting mechanism for protective films. Background Art

[0002] PE protective film is the simplest macromolecular organic compound and the most widely used macromolecular material in the world today. It is widely used in the hardware industry, optoelectronics industry, plastics industry, printing industry, mobile phone digital industry, etc. After being processed into finished products, PE protective film needs to be cut into corresponding widths according to design requirements, so a protective film cutting mechanism is needed.

[0003] However, the existing slitting mechanism is not convenient for adjusting and disassembling the slitting wheels during use, which makes it inconvenient to adjust the number and position of the slitting wheels according to needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing slitting mechanism is not convenient for adjusting and disassembling the slitting wheels when in use, which makes it inconvenient to adjust the number and position of the slitting wheels according to needs.

[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a slitting mechanism for a protective film, comprising a base and a slitting assembly, the base is provided with a bracket, and the slitting assembly is arranged on the bracket; the slitting assembly comprises a slide, a rotating shaft, a support plate and a slitting piece, the bracket is provided with a telescopic piece, the slide is slidably arranged on the bracket and connected to the telescopic piece, the slide is provided with a distance adjustment piece, the support plate is arranged on the distance adjustment piece, the support plate is connected with an internal spline through an axial rotation, both ends of the rotating shaft are provided with external splines matching the internal splines, and the slitting piece is arranged on the rotating shaft.

[0006] Preferably, the slitting piece includes a sleeve and a slitting wheel, the sleeve is sleeved on the rotating shaft, the slitting wheel is fixedly sleeved on the sleeve, the rotating shaft is provided with a plurality of threaded holes, the sleeve is threadedly connected with a fastening bolt, and the fastening bolt is threadedly connected with the threaded hole.

[0007] Preferably, the distance adjusting member includes a bidirectional screw, a screw pair and a handle, the bottom wall of the slide seat is provided with a groove, both ends of the bidirectional screw are rotatably arranged on the groove, the screw pair is threadedly connected to the bidirectional screw and is slidably arranged on the groove, the screw pair is relatively provided with two groups, the support plate is arranged at the bottom end of the screw pair, and the end of the handle rotates through the slide seat and is connected to the bidirectional screw.

[0008] Preferably, a film roller support assembly is provided on the base, and the film roller support assembly includes a pillar, a support shaft, a winding roller and an unwinding roller. The pillar is arranged on the base and is provided in two groups. The support shaft is rotatably arranged on the pillar through a bearing and is arranged corresponding to the pillar. The side walls of the winding roller and the unwinding roller are provided with connecting sleeves. A plurality of threaded holes are provided on the support shaft. A fastening bolt is threadedly connected to the connecting sleeve, and the fastening bolt is threadedly connected to the threaded hole.

[0009] Preferably, the telescopic member comprises an electric telescopic rod, a fixed end of the electric telescopic rod is arranged on the top wall of the bracket, and a movable end of the electric telescopic rod slides through the bracket and is connected to the sliding seat.

[0010] Preferably, a driving motor 1 is provided on the side wall of the support plate, and the output end of the driving motor 1 rotates through the support plate and is connected to the internal spline.

[0011] Preferably, a second drive motor is provided on the side wall of the pillar, and an output end of the second drive motor rotates through the pillar and is connected to the support shaft.

[0012] The utility model adopts the above structure to achieve the following beneficial effects: the sliding seat can be driven downward by the telescopic member, so that the slitting member can slit the protective film; when the number of slitting wheels needs to be adjusted, the two support plates can be driven away from each other by the distance adjusting member, so that the external splines on the rotating shaft can be moved away from the internal splines on the support plates, and the number of slitting wheels can be adjusted at this time; the position of the slitting wheel can be adjusted by unscrewing a fastening bolt from a threaded hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The overall structure of the embodiment of the utility model is shown in FIG. Figure 1 ;

[0014] Figure 2 The overall structure of the embodiment of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 3 The overall structure of the embodiment of the utility model is shown in FIG. Figure 3 ;

[0016] Figure 4 It is a schematic diagram of the overall structure of an embodiment of the utility model.

[0017] Among them, 1. base, 2. slitting assembly, 3. bracket, 4. slide seat, 5. rotating shaft, 6. support plate, 7. slitting piece, 8. telescopic piece, 9. distance adjustment piece, 10. internal spline, 11. external spline, 12. sleeve, 13. slitting wheel, 14. threaded hole one, 15. fastening bolt one, 16. bidirectional lead screw, 17. lead screw pair, 18. handle, 19. groove, 20. film roller support assembly, 21. pillar, 22. support shaft, 23. winding roller, 24. unwinding roller, 25. connecting sleeve, 26. threaded hole two, 27. fastening bolt two, 28. electric telescopic rod, 29. driving motor one, 30. driving motor two. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] like Figure 1-4 As shown, the utility model proposes a slitting mechanism for a protective film, comprising a base 1 and a slitting assembly 2, wherein the base 1 is provided with a bracket 3, and the slitting assembly 2 is arranged on the bracket 3; the slitting assembly 2 comprises a slide 4, a rotating shaft 5, a support plate 6 and a slitting piece 7, the bracket 3 is provided with a telescopic piece 8, the slide 4 is slidably arranged on the bracket 3 and connected to the telescopic piece 8, the slide 4 is provided with a distance adjusting piece 9, the support plate 6 is arranged on the distance adjusting piece 9, the support The plate 6 is connected with an internal spline 10 through an axial rotation, and both ends of the rotating shaft 5 are provided with external splines 11 matching the internal splines 10. The cutting piece 7 is arranged on the rotating shaft 5. The sliding seat 4 can be driven downward by the telescopic member 8, so that the cutting piece 7 can cut the protective film. When the number of the cutting pieces 7 needs to be adjusted, the two support plates 6 can be driven away from each other by the distance adjusting member 9, so that the external splines 11 on the rotating shaft 5 can be moved away from the internal splines 10 on the support plate 6, and the number of the cutting pieces 7 can be adjusted at this time.

[0021] The slitting piece 7 includes a sleeve 12 and a slitting wheel 13, the sleeve 12 is sleeved on the rotating shaft 5, the slitting wheel is fixedly sleeved on the sleeve 12, the rotating shaft 5 is provided with a plurality of threaded holes 14, the sleeve 12 is threadedly connected with a fastening bolt 15, and the fastening bolt 15 is threadedly connected to the threaded hole 14. By unscrewing the fastening bolt 15 from the threaded hole 14, the sleeve 12 and the slitting wheel 13 can be moved, or they can be removed from the rotating shaft 5 by cooperating with the distance adjusting piece 9.

[0022] The distance adjustment member 9 includes a bidirectional lead screw 16, a lead screw pair 17 and a handle 18. The bottom wall of the slide 4 is provided with a groove 19. Both ends of the bidirectional lead screw 16 are rotatably arranged on the groove 19. The lead screw pair 17 is threadedly connected to the bidirectional lead screw 16 and is slidably arranged on the groove 19. The lead screw pair 17 is relatively provided with two groups. The support plate 6 is arranged at the bottom end of the lead screw pair 17. The end of the handle 18 rotates through the slide 4 and is connected to the bidirectional lead screw 16. The handle 18 is rotated to drive the bidirectional lead screw 16 to rotate, so that the two lead screw pairs 17 move away from or close to each other, and the rotating shaft 5 can be removed or clamped from the internal spline 10.

[0023] A film roller support assembly 20 is provided on the base 1, and the film roller support assembly 20 includes a pillar 21, a support shaft 22, a winding roller 23 and an unwinding roller 24. The pillar 21 is provided on the base 1 and is provided with two groups. The support shaft 22 is rotatably provided on the pillar 21 through a bearing and is correspondingly provided with the pillar 21. The side walls of the winding roller 23 and the unwinding roller 24 are provided with a connecting sleeve 25. A plurality of threaded holes 26 are provided on the support shaft 22. A fastening bolt 27 is threadedly connected to the connecting sleeve 25. The fastening bolt 27 is threadedly connected to the threaded hole 26. The slit protective film can be wound up by the winding roller 23, and the winding roller 23 can be easily removed by unscrewing the fastening bolt 27 from the threaded hole 26.

[0024] The telescopic member 8 includes an electric telescopic rod 28, a fixed end of which is arranged on the top wall of the bracket 3, and a movable end of the electric telescopic rod 28 slides through the bracket 3 and is connected to the slide 4. The electric telescopic rod 28 can drive the slide 4 to move up and down, so that the slitting wheel 13 moves down to slit the protective film.

[0025] A driving motor 29 is disposed on the side wall of the support plate 6 , and an output end of the driving motor 29 rotates through the support plate 6 and is connected to the internal spline 10 .

[0026] A second driving motor 30 is disposed on the side wall of the support column 21 . The output end of the second driving motor 30 rotates through the support column 21 and is connected to the support shaft 22 .

[0027] During specific use, the winding roller 23 and the unwinding roller 24 are respectively mounted on the support shaft 22 by tightening the bolt 27, and the driving motor 23 is started to drive the winding roller 23 to rotate, so as to pull the protective film to move and rewind. At the same time, the electric telescopic rod 28 drives the slide 4 to move downward to slit the protective film moving under the slitting wheel 13.

[0028] When the number of slitting wheels needs to be adjusted, the handle 18 is rotated to drive the bidirectional screw 16 to rotate, and the two screw pairs 17 move away from each other, so that the external spline 11 on the rotating shaft 5 can be removed from the internal spline 10 on the support plate 6, and then the fastening bolt 15 is unscrewed from the threaded hole 14, and the sleeve 12 and the slitting wheel 13 can be removed from the rotating shaft 5 to adjust the number of slitting wheels.

[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A slitting mechanism for a protective film, characterized in that: It includes a base and a slitting component, wherein the base is provided with a bracket, and the slitting component is arranged on the bracket; the slitting component includes a slide, a rotating shaft, a support plate and a slitting piece, the bracket is provided with a telescopic piece, the slide is slidably arranged on the bracket and connected to the telescopic piece, the slide is provided with a distance adjusting piece, the support plate is arranged on the distance adjusting piece, the support plate is connected with an internal spline through an axial rotation, both ends of the rotating shaft are provided with external splines matching the internal splines, and the slitting piece is arranged on the rotating shaft.

2. A slitting mechanism for a protective film according to claim 1, characterized in that: The slitting piece includes a sleeve and a slitting wheel, the sleeve is sleeved on the rotating shaft, the slitting wheel is fixedly sleeved on the sleeve, the rotating shaft is provided with a plurality of threaded holes, the sleeve is threadedly connected with a fastening bolt, and the fastening bolt is threadedly connected with the threaded hole.

3. A slitting mechanism for a protective film according to claim 1, characterized in that: The distance adjusting member comprises a bidirectional lead screw, a lead screw pair and a handle. The bottom wall of the slide seat is provided with a groove. Both ends of the bidirectional lead screw are rotatably arranged on the groove. The lead screw pair is threadedly connected to the bidirectional lead screw and is slidably arranged on the groove. Two groups of the lead screw pairs are arranged opposite to each other. The support plate is arranged at the bottom end of the lead screw pair. The end of the handle rotates through the slide seat and is connected to the bidirectional lead screw.

4. A slitting mechanism for a protective film according to claim 1, characterized in that: A film roller support assembly is provided on the base, and the film roller support assembly includes a pillar, a support shaft, a winding roller and an unwinding roller. The pillar is provided on the base and is provided with two groups. The support shaft is rotatably provided on the pillar through a bearing and is arranged corresponding to the pillar. The side walls of the winding roller and the unwinding roller are provided with connecting sleeves. A plurality of threaded holes are provided on the support shaft. A fastening bolt is threadedly connected to the connecting sleeve, and the fastening bolt is threadedly connected to the threaded hole.

5. A slitting mechanism for a protective film according to claim 1, characterized in that: The telescopic member comprises an electric telescopic rod, a fixed end of the electric telescopic rod is arranged on the top wall of the bracket, and a movable end of the electric telescopic rod slides through the bracket and is connected to the sliding seat.

6. A slitting mechanism for a protective film according to claim 1, characterized in that: A driving motor 1 is disposed on the side wall of the support plate, and an output end of the driving motor 1 rotates through the support plate and is connected to the internal spline.

7. A slitting mechanism for a protective film according to claim 4, characterized in that: A second driving motor is disposed on the side wall of the support, and an output end of the second driving motor rotates through the support and is connected to the support shaft.

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