Winding device for protective film production

Abstract

The utility model belongs to the field of roll-dividing devices, and particularly relates to a roll-dividing device for protective film production, which comprises a support and a roll-dividing roller, two connecting seats are mounted in the support through bearings, a motor seat is fixedly connected to the outer side of the support, a motor is fixedly mounted on the vertical portion of the motor seat, and the roll-dividing roller is fixedly connected with the motor. An output shaft of the motor is fixedly connected with one connecting base, and the two ends of the shunt winding roller are fixedly connected with hollow shafts. The flattening mechanism is arranged above the shunt winding roller, after the end of a protective film is attached to the shunt winding roller, the flattening blocks can press the protective film through the elastic force of the spring, then the two-way screw is rotated through the rotating disc and the rotating rod, the two flattening blocks can move oppositely, the protective film is flattened, and the flattening efficiency is improved. And therefore, the protective film is prevented from wrinkling in the winding process.

Description

Technical Field

[0001] The utility model relates to the field of rewinding devices, in particular to a rewinding device for producing protective films. Background Art

[0002] During the production process of protective films, traditional rewinding operations mostly adopt manual cooperation with instruments.

[0003] In the utility model patent with the authorization announcement number CN108996292B, it discloses a rewinding device for producing protective films, including a base plate. There is a first installation groove on the base plate, and a first installation plate is fixedly installed on the inner wall of the first installation groove. A first electric control telescopic rod is installed on the first installation plate. This invention can effectively remove the dust on both sides of the protective film by setting a dust removal roller and a dust removal belt, and can drive the second driven wheel to rotate by opening the first servo motor, which is driven by the first servo motor to drive the second driving wheel to rotate through setting a winding roller.

[0004] However, when the existing rewinding device is in use, the protective film is prone to wrinkling, and the disassembly and assembly of the rewinding roller on the machine are also relatively inconvenient. Therefore, it needs to be improved. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a rewinding device for producing protective films, which solves the problem that the protective film is prone to wrinkling when the existing rewinding device is in use, and at the same time solves the problem that the disassembly and assembly of the rewinding roller on the machine are also relatively inconvenient.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A rewinding device for producing protective films, including a bracket and a rewinding roller. Two connecting seats are installed inside the bracket through bearings. A motor seat is fixedly connected to the outside of the bracket. A motor is fixedly installed on the vertical part of the motor seat. The output shaft of the motor is fixedly connected to one of the connecting seats. Both ends of the rewinding roller are fixedly connected with hollow shafts. A square block is slidably connected inside the hollow shaft. A positioning block is fixedly connected to the end of the square block located outside the hollow shaft. The positioning block is clamped with the connecting seat. A first spring is arranged inside the hollow shaft. One end of the first spring is fixedly connected to the square block, and the other end of the first spring is fixedly connected to the inner surface of the hollow shaft. A limiting nut is threadedly connected to the outside of the hollow shaft, and the limiting nut abuts against the positioning block. A flattening mechanism is arranged inside the bracket.

[0007] Preferably, the flattening mechanism includes a hollow shell fixedly connected to the upper part of the inner side of the bracket. A sliding seat is slidably connected inside the hollow shell. A fixing block is fixedly connected to the lower edge of the sliding seat. A bidirectional screw is installed inside the fixing block through a bearing. Two flattening blocks are threadedly connected to the outer side of the rod body of the bidirectional screw. The flattening blocks are in contact with the splitting roller, and the flattening blocks are slidably connected to the sliding seat. Through the setting of the flattening mechanism, the protective film wound on the splitting roller can be prevented from wrinkling.

[0008] Preferably, a second spring is arranged inside the hollow shell. One end of the second spring is fixedly connected to the sliding seat, and the other end of the second spring is fixedly connected to the inner surface of the hollow shell. Through the setting of the second spring, the elastic force can act on the square block and the positioning block.

[0009] Preferably, a turntable is fixedly connected to the end of the bidirectional screw, and a rotating rod is fixedly connected to the surface of the turntable. Through the setting of the turntable and the rotating rod, it is convenient to rotate the bidirectional screw.

[0010] Preferably, a guiding block is fixedly connected to the upper end of the flattening block, and the guiding block is slidably connected to the sliding seat. Through the setting of the guiding block, it has a guiding effect on the lateral movement of the flattening block.

[0011] Preferably, a ball is arranged on the side of the sliding seat, and the ball is in contact with the inner surface of the hollow shell. Through the setting of the ball, the relative friction between the sliding seat and the hollow shell can be reduced.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By arranging a flattening mechanism above the splitting roller in the present utility model, after the end of the protective film adheres to the splitting roller, the elastic force of the spring can be used to make the flattening block press the protective film. Subsequently, by rotating the bidirectional screw through the turntable and the rotating rod, the two flattening blocks can move away from each other and flatten the protective film, thereby preventing the protective film from wrinkling during the winding process.

[0014] 2. By arranging two connecting seats on the bracket in the present utility model, then arranging two hollow shafts at both ends of the splitting roller, arranging a combination of a square block and a positioning block elastically supported by a spring inside the hollow shaft, and arranging a limiting nut on the outside of the hollow shaft. In this way, the limiting nut can be used to push the positioning block into the connecting seat on the bracket, and by reversing the limiting nut, the positioning block will reset under the action of the spring and separate from the connecting seat, thereby achieving the purpose of facilitating the disassembly of the splitting roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 For the present utility model Figure 1 Stereogram of the flattening mechanism;

[0017] Figure 3 For the present utility model Figure 1 Front elevation sectional view;

[0018] Figure 4 For the present utility model Figure 3 Enlarged view of the structure of part A.

[0019] In the figure: 1, support; 2, connecting seat; 3, uncoiling roller; 4, motor base; 5, motor; 6, flattening mechanism; 7, hollow shaft; 8, square block; 9, positioning block; 10, first spring; 11, limit sleeve; 61, hollow shell; 62, sliding seat; 63, second spring; 64, fixing block; 65, bidirectional screw; 66, flattening block; 67, guiding block; 68, ball; 69, turntable; 610, rotating rod. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1 , Figure 3 , Figure 4 , a rewinding device for producing a protective film, comprising a support 1 and an uncoiling roller 3. Two connecting seats 2 are installed inside the support 1 through bearings. The outside of the support 1 is fixedly connected with a motor base 4. A motor 5 is fixedly installed on the vertical part of the motor base 4. The output shaft of the motor 5 is fixedly connected with one of the connecting seats 2. Both ends of the uncoiling roller 3 are fixedly connected with hollow shafts 7. A square block 8 is slidably connected inside the hollow shaft 7. One end of the square block 8 located outside the hollow shaft 7 is fixedly connected with a positioning block 9. The positioning block 9 is clamped with the connecting seat 2. A first spring 10 is arranged inside the hollow shaft 7. One end of the first spring 10 is fixedly connected with the square block 8, and the other end of the first spring 10 is fixedly connected to the inner surface of the hollow shaft 7. The outside of the hollow shaft 7 is threadedly connected with a limit sleeve 11, and the limit sleeve 11 abuts against the positioning block 9.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3, a flattening mechanism 6 is provided inside the support 1. The flattening mechanism 6 includes a hollow shell 61 fixedly connected to the upper part inside the support 1. A sliding seat 62 is slidably connected inside the hollow shell 61. A fixed block 64 is fixedly connected to the lower edge of the sliding seat 62. A bidirectional screw 65 is installed inside the fixed block 64 through a bearing. Two flattening blocks 66 are threadedly connected to the outer side of the rod body of the bidirectional screw 65. The flattening blocks 66 are in contact with the winding roller 3, and the flattening blocks 66 are slidably connected to the sliding seat 62. Through the setting of the flattening mechanism 6, it has an anti-wrinkle effect on the protective film wound on the winding roller 3.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , a second spring 63 is provided inside the hollow shell 61. One end of the second spring 63 is fixedly connected to the sliding seat 62, and the other end of the second spring 63 is fixedly connected to the inner surface of the hollow shell 61. Through the setting of the second spring 63, the elastic force can act on the elastic force square block 8 and the positioning block 9. The end of the bidirectional screw 65 is fixedly connected to a turntable 69, and a rotating rod 610 is fixedly connected to the surface of the turntable 69. Through the setting of the turntable 69 and the rotating rod 610, it is convenient to rotate the bidirectional screw 65. The upper end of the flattening block 66 is fixedly connected to a guide block 67, and the guide block 67 is slidably connected to the sliding seat 62. Through the setting of the guide block 67, it has a guiding effect on the lateral movement of the flattening block 66. A ball 68 is provided on the side of the sliding seat 62, and the ball 68 is in contact with the inner surface of the hollow shell 61. Through the setting of the ball 68, the relative friction between the sliding seat 62 and the hollow shell 61 can be reduced.

[0024] The specific implementation process of the present utility model is as follows: When in use, first attach the end of the protective film to the winding roller 3, and then utilize the elastic force of the second spring 63 to enable the flattening block 66 to press the protective film. Subsequently, rotate the bidirectional screw 65 through the turntable 610 and the rotating rod 69, so that the two flattening blocks 66 move away from each other and flatten the protective film, thereby preventing the protective film from wrinkling during the winding process. Subsequently, the motor 5 can be used to drive the winding roller 3 to wind the protective film. In addition, by screwing the limit sleeve 11, the square block 8 and the positioning block 9 move towards the hollow shaft 7 under the action of the first spring 10, and the positioning block 9 is separated from the connecting seat 2, thereby completing the disassembly and assembly of the winding roller 3, and the operation is simple and convenient.

[0025] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A rewinding device for producing a protective film, comprising a bracket (1) and a rewinding roller (3), characterized in that: Inside the bracket (1), two connecting seats (2) are installed through bearings. On the outside of the bracket (1), a motor seat (4) is fixedly connected. On the vertical part of the motor seat (4), a motor (5) is fixedly installed. The output shaft of the motor (5) is fixedly connected to one of the connecting seats (2). At both ends of the uncoiling roller (3), hollow shafts (7) are fixedly connected. Inside the hollow shaft (7), a square block (8) is slidably connected. One end of the square block (8) located outside the hollow shaft (7) is fixedly connected to a positioning block (9). The positioning block (9) is clamped with the connecting seat (2). Inside the hollow shaft (7), a first spring (10) is arranged. One end of the first spring (10) is fixedly connected to the square block (8), and the other end of the first spring (10) is fixedly connected to the inner surface of the hollow shaft (7). On the outside of the hollow shaft (7), a limit nut (11) is connected by threads, and the limit nut (11) abuts against the positioning block (9). Inside the bracket (1), a flattening mechanism (6) is arranged.

2. The rewinding device for producing a protective film according to claim 1, wherein: The flattening mechanism (6) includes a hollow shell (61) fixedly connected to the upper part inside the bracket (1). Inside the hollow shell (61), a sliding seat (62) is slidably connected. At the lower edge of the sliding seat (62), a fixed block (64) is fixedly connected. Inside the fixed block (64), a bidirectional screw rod (65) is installed through a bearing. On the outer side of the rod body of the bidirectional screw rod (65), two flattening blocks (66) are connected by threads. The flattening blocks (66) are in contact with the uncoiling roller (3). The flattening blocks (66) are slidably connected to the sliding seat (62).

3. The rewinding device for producing a protective film according to claim 2, characterized in that: Inside the hollow shell (61), a second spring (63) is arranged. One end of the second spring (63) is fixedly connected to the sliding seat (62), and the other end of the second spring (63) is fixedly connected to the inner surface of the hollow shell (61).

4. The rewinding device for producing a protective film according to claim 2, wherein: At the end of the bidirectional screw rod (6)5, a turntable (69) is fixedly connected, and on the surface of the turntable (69), a rotating rod (610) is fixedly connected.

5. The rewinding device for producing a protective film according to claim 2, characterized in that: At the upper end of the flattening block (66), a guiding block (67) is fixedly connected. The guiding block (67) is slidably connected to the sliding seat (62).

6. The rewinding device for producing a protective film according to claim 2, wherein: On the side of the sliding seat (62), a ball (68) is arranged. The ball (68) is in contact with the inner surface of the hollow shell (61).

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