Winding auxiliary following mechanism of rewinding machine

Abstract

The utility model discloses a rewinding machine winding auxiliary following mechanism, which relates to the technical field of film rewinding, and comprises an equipment frame, a rewinding roller group and a rewinding auxiliary module, the rewinding roller group and the rewinding auxiliary module are both installed in the equipment frame, and the rewinding auxiliary module is used for attaching and assisting a film roll on the rewinding roller group in the rewinding process. According to the winding auxiliary following mechanism of the rewinding machine, in the film rewinding process, the attaching state of the auxiliary roller shaft and a film roll can be always kept, and the problems that the film roll is not wound tightly, the surface is uneven and the like are effectively solved. Therefore, not only is the quality of the film improved, but also the film roll is smoother, more attractive and more compact, so that the additional value and the market competitiveness of the product are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film rewinding technical field, concretely is a rewinding auxiliary following mechanism of rewinding machine. BACKGROUND

[0002] In the film production and processing industry, the rewinding machine is one of the indispensable equipment, which is mainly used for winding the continuous film material into a certain specification film roll, so as to facilitate the subsequent packaging, transportation and use. In the winding process of the traditional rewinding machine, due to the lack of effective auxiliary following mechanism, the film roll is often not tightly wound, the surface is not flat, etc. This not only affects the quality of the film, but also increases the difficulty and cost of subsequent processing. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a rewinding auxiliary following mechanism of rewinding machine, which solves the problems raised in the above background art.

[0004] In order to achieve the above purpose, the utility model realizes the following technical scheme: a rewinding auxiliary following mechanism of rewinding machine, comprising a device frame, a rewinding roller group and a rewinding auxiliary module, the rewinding roller group and the rewinding auxiliary module are both installed inside the device frame, and the rewinding auxiliary module is used for adhering and assisting the film roll on the rewinding roller group in the rewinding process.

[0005] Further, the rewinding roller group comprises a plurality of rewinding roller shafts, and each rewinding roller shaft is externally wound with a film roll.

[0006] Further, the rewinding auxiliary module comprises a driving device and an auxiliary roller shaft, the driving device is symmetrically installed inside the device frame and can drive the auxiliary roller shaft to approach or gradually move away from the film roll.

[0007] Further, the driving device comprises a servo motor, a linear guide rail, a lead screw, a lead screw seat and a roller shaft mounting seat, the servo motor drives the lead screw to rotate, the lead screw seat moves along the lead screw, and the roller shaft mounting seat slides on the linear guide rail.

[0008] Further, the auxiliary roller shaft comprises a shaft core and an outer sheath, the shaft core is rotatably connected with the roller shaft mounting seat through a bearing, and the outer sheath is externally sleeved with the shaft core and is made of rubber or silicone to prevent damaging the film roll.

[0009] Further, the roller shaft mounting seat is connected and fixed with the lead screw seat, so as to ensure that the auxiliary roller shaft can accurately adjust the distance between the film roll under the driving of the servo motor.

[0010] The utility model provides a rewinding auxiliary following mechanism of rewinding machine. Compared with the prior art, the following beneficial effects are possessed:

[0011] The rewinding auxiliary following mechanism of the rewinder can keep the auxiliary roller shaft in close contact with the film roll during the film rewinding process, effectively avoiding problems such as that the film roll is not tightly wound, the surface is uneven and the like. This not only improves the quality of the film, but also makes the film roll more flat, beautiful and compact, thereby improving the added value and market competitiveness of the product. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a structural schematic view of the rewinding auxiliary module in the utility model;

[0014] Figure 3 It is a structural schematic view of the driving device in the utility model;

[0015] Figure 4 It is a structural schematic view of the auxiliary roller shaft in the utility model;

[0016] Figure 5 It is a half sectional view of the utility model.

[0017] In the drawing: 1, equipment frame; 2, rewinding roller group; 21, rewinding roller shaft; 3, rewinding auxiliary module; 31, driving device; 311, servo motor; 312, linear guide rail; 313, screw rod; 314, silk cylinder seat; 315, roller shaft mounting seat; 32, auxiliary roller shaft; 321, shaft core; 322, outer sheath; 4, film roll. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figures 1-5The utility model provides a technical scheme: a rewinding machine winding auxiliary following mechanism is formed by equipment frame 1, rewinding roller group 2, rewinding auxiliary module 3, wherein, rewinding roller group 2, rewinding auxiliary module 3 are all installed in the inside of equipment frame 1, and rewinding roller group 2 has several rewinding roller shafts 21, and the outside of every rewinding roller shaft 21 is rewound with film roll 4, and rewinding auxiliary module 3 is formed by drive device 31, auxiliary roller shaft 32, and drive device 31 is symmetrically installed in the inside of equipment frame 1, and auxiliary roller shaft 32 is rotatably connected in the drive end of drive device 31, in the process that rewinding roller shaft 21 rewinds film roll 4, auxiliary roller shaft 32 is always attached with film roll 4, and drive device 31 can drive auxiliary roller shaft 32 to be close to or gradually away from film roll 4;

[0020] Drive device 31 is formed by servo motor 311, linear guide 312, screw rod 313, silk cylinder base 314 and roller shaft mounting seat 315, wherein, servo motor 311 and linear guide 312 are all installed in the inside of equipment frame 1, screw rod 313 is installed in the drive end of servo motor 311, silk cylinder base 314 is threadedly connected in the outside of screw rod 313, roller shaft mounting seat 315 is slidably arranged in the upper portion of linear guide 312, and roller shaft mounting seat 315 is connected and fixed with silk cylinder base 314;

[0021] When working, drive device 31 drives screw rod 313 to rotate under the action of servo motor 311, silk cylinder base 314 moves along the axial direction of screw rod 313, thereby driving roller shaft mounting seat 315 to move along the direction of linear guide 312, and finally driving auxiliary roller shaft 32 to move, that is, to be close to or gradually away from film roll 4;

[0022] Auxiliary roller shaft 32 is formed by shaft core 321 and outer sheath 322, wherein, the both ends of shaft core 321 are rotatably connected with roller shaft mounting seat 315 through bearings, and outer sheath 322 is sleeved on the outside of shaft core 321, and outer sheath 322 is preferably made of rubber or silicone, which can prevent damage to film roll 4 when attaching film roll 4.

[0023] When working, the outside of rewinding roller shaft 21 is rewound with film roll 4, drive device 31 drives auxiliary roller shaft 32 to be close to film roll 4 during rewinding, and finally attaches with film roll 4, with the continuous rewinding of film roll 4, the diameter of film roll 4 also continuously increases, during this process, drive device 31 drives auxiliary roller shaft 32 to move back, and the moving distance is synchronous with the diameter of film roll 4, that is, although the diameter of film roll 4 continuously increases during rewinding, film roll 4 and auxiliary roller shaft 32 always maintain the attached state, thereby achieving the rewinding following effect, and the attachment during film rewinding makes film roll 4 flat, beautiful and compact.

Claims

1. A rewinding machine winding auxiliary following mechanism characterized by, The device frame (1), the rewinding roller group (2) and the rewinding auxiliary module (3) are included, the rewinding roller group (2) and the rewinding auxiliary module (3) are installed inside the device frame (1), and the rewinding auxiliary module (3) is used for adhering and assisting the film roll (4) on the rewinding roller group (2) in the rewinding process.

2. The rewinding machine winding auxiliary follow-up mechanism according to claim 1, characterized in that, The rewinding roller group (2) contains several rewinding roller shafts (21), and each rewinding roller shaft (21) is externally rewound with a film roll (4).

3. The rewinding machine winding auxiliary follow-up mechanism according to claim 1, characterized in that, The rewinding auxiliary module (3) includes a driving device (31) and an auxiliary roller shaft (32), the driving device (31) is symmetrically installed inside the device frame (1) and can drive the auxiliary roller shaft (32) to approach or gradually move away from the film roll (4).

4. The rewinding machine roll assisting follow-up mechanism according to claim 3, characterized in that, The driving device (31) includes a servo motor (311), a linear guide rail (312), a lead screw (313), a lead screw seat (314) and a roller shaft mounting seat (315), the servo motor (311) drives the lead screw (313) to rotate, the lead screw seat (314) moves along the lead screw (313) and drives the roller shaft mounting seat (315) to slide on the linear guide rail (312).

5. The rewinding machine roll assisting follow-up mechanism according to claim 3, characterized in that, The auxiliary roller shaft (32) includes a shaft core (321) and an outer sheath (322), the shaft core (321) is rotatably connected with the roller shaft mounting seat (315) through a bearing, and the outer sheath (322) is sleeved outside the shaft core (321) and is made of rubber or silicone to prevent damage to the film roll (4).

6. The rewinding machine winding auxiliary follow-up mechanism according to claim 4, characterized in that, The roller shaft mounting seat (315) is connected and fixed with the lead screw seat (314), so that the distance between the auxiliary roller shaft (32) and the film roll (4) can be accurately adjusted under the driving of the servo motor (311).

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