Automatic winding and shearing device for BOPP (biaxially-oriented polypropylene) film

Abstract

The utility model provides an automatic winding and shearing device for a BOPP (Biaxially-oriented Polypropylene) film, which relates to the technical field of BOPP film processing and comprises a main plate, a first fixing plate is fixed on one side of the top end of the main plate, a second fixing plate is arranged on the other side of the top end of the main plate, and a driving structure for driving the second fixing plate to move is arranged in the main plate. The inner side of the end, facing the second fixing plate, of the first fixing plate is rotationally connected with a rotating shaft, and a first clamping block is fixed to one end of the rotating shaft. After winding and shearing are finished, a user only needs to support a winding roller, a second motor operates to drive a screw rod to rotate, a movable plate moves under limiting of a limiting column, a second fixing plate connected with a connecting block is driven to be away from a first fixing plate, and at the moment, a second clamping block arranged at one end of the second fixing plate can be disengaged from the winding roller; and at the moment, the user can make the winding roller transversely move a little to be separated from the first clamping block, so that the winding roller is taken down, the taking-out mode is very convenient, and the efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of BOPP film processing, in particular to an automatic winding and shearing device for BOPP film. Background Art

[0002] BOPP film is a very important flexible packaging material. BOPP film is colorless, odorless, tasteless, non-toxic, and has high tensile strength, impact strength, rigidity, toughness and good transparency. During its production, it needs to be automatically rolled and sheared.

[0003] At present, an automatic winding and shearing device for BOPP film in the prior art, after winding the BOPP film, usually the user unscrews a plurality of bolts to take out the winding roller. This taking-out method is very slow, time-consuming and labor-intensive, and has poor practicality. In addition, when cutting, an automatic winding and shearing device for BOPP film in the prior art has a height difference with the main board and the BOPP film is flexible. When the cutter descends for cutting, the BOPP film will be stretched, resulting in wrinkles in the BOPP film or irregular fractures at the cutting position, which has poor practicality. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that after the BOPP film is rolled up, the user usually removes the winding roller by unscrewing a plurality of bolts, and this removal method is very slow, time-consuming and labor-intensive. In addition, since there is a height difference between the cut BOPP film and the main board, and the BOPP film is flexible, when the cutter descends for cutting, the BOPP film will be stretched, resulting in wrinkles on the BOPP film, or irregular fractures at the cutting position. The utility model proposes an automatic winding and shearing device for BOPP film.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a BOPP film automatic winding and shearing device comprises a main board, a first fixed plate is fixed on one side of the top of the main board, a second fixed plate is arranged on the other side of the top of the main board, a driving structure for driving the second fixed plate to move is arranged in the main board, and the first fixed plate is rotatably connected to the inner side of one end of the first fixed plate facing the second fixed plate, a first clamping block is fixed on one end of the rotating shaft, a first motor is arranged on the end of the second fixed plate away from the first fixed plate, a winding roller is arranged between the first fixed plate and the second fixed plate, and clamping grooves matching the first clamping block and the second clamping block are respectively opened at both ends of the winding roller, a bracket is fixed on the top of the main board, a cylinder is installed on the top of the bracket, and the output end of the cylinder passes through the inner top wall of the bracket and is fixed with a cutting knife.

[0006] Preferably, the driving structure includes a second motor arranged at one end of the main board, the output end of the second motor passes through one side of the main board and is fixed with a screw, a movable plate is threadedly connected to the outer wall of the screw, both ends of the movable plate are slidably connected to limiting columns, a connecting block is fixed to the top of the movable plate, the top of the connecting block passes through the top of the main board and is fixed to the second fixed plate.

[0007] Preferably, a moving groove matching the connecting block is provided at the top of the main board, the end of the screw rod away from the second motor is rotatably connected to the main board, and both ends of the limiting column are fixed to the main board.

[0008] Preferably, a stabilizing frame is fixed to one end of the main board and the second fixing plate, and the first motor and the second motor are respectively installed on one end of the two stabilizing frames facing the first fixing plate.

[0009] Preferably, a telescopic rod is installed at the top of the main board below the cutter, a stabilizing plate is fixed to the output end of the telescopic rod, and a cutting groove matching the cutter is formed at the top of the stabilizing plate.

[0010] Preferably, a plurality of legs are fixed to the bottom end of the main board, and the bracket is arranged on one side of the first fixing plate and the second fixing plate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, after the winding and shearing are completed, the user only needs to hold the winding roller, and through the operation of the second motor, drive the screw to rotate, so that the movable plate moves under the limit of the limit column, thereby driving the second fixed plate connected to the connecting block to move away from the first fixed plate. At this time, the second clamping block provided at one end of the second fixed plate will be separated from the winding roller. At this time, the user can make the winding roller move sideways a little to make it separate from the first clamping block, so as to remove the winding roller. This removal method is very convenient and more efficient. During installation, it is only necessary to clamp one end of the winding roller on the first clamping block, and through the movement of the second fixed plate, the second clamping block is clamped with the other end of the winding roller, so as to achieve the effect of installing the winding roller.

[0013] 2. In the utility model, when the cutter moves down for shearing, the operation of the telescopic rod can drive the stabilizing plate to move up to the bottom end of the BOPP film to support the shearing part of the BOPP film. At this time, the cutter descends to perform smooth shearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of a BOPP film automatic winding and shearing device is proposed for the utility model;

[0015] Figure 2A cross-sectional view of a BOPP film automatic winding and shearing device is proposed for the utility model;

[0016] Figure 3 A schematic diagram of the driving structure of a BOPP film automatic winding and shearing device is proposed for the utility model;

[0017] Figure 4 The utility model provides a schematic diagram of the cutter structure of a BOPP film automatic winding and shearing device.

[0018] Legend: 1. Main board; 2. First fixed plate; 3. Second fixed plate; 4. Rotating shaft; 6. First clamping block; 7. First motor; 9. Second clamping block; 10. Winding roller; 11. Clamping slot; 12. Driving structure; 1201. Second motor; 1202. Screw; 1203. Moving plate; 1204. Limiting column; 1205. Connecting block; 13. Moving slot; 14. Stabilizing frame; 15. Bracket; 16. Cylinder; 17. Cutter; 18. Telescopic rod; 19. Stabilizing plate; 20. Cutting slot; 21. Leg. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Embodiment 1, as Figure 1-4 As shown, the utility model provides a BOPP film automatic winding and shearing device, including a main board 1, a first fixed plate 2 is fixed on one side of the top of the main board 1, a second fixed plate 3 is provided on the other side of the top of the main board 1, a driving structure 12 for driving the second fixed plate 3 to move is provided in the main board 1, an end of the first fixed plate 2 facing the second fixed plate 3 is rotatably connected to the inner side with a rotating shaft 4, one end of the rotating shaft 4 is fixed with a first clamping block 6, an end of the second fixed plate 3 away from the first fixed plate 2 is provided with a first motor 7, an output end of the first motor 7 passes through the second fixed plate 3 and is fixed with a second clamping block 9, a winding roller 10 is provided between the first fixed plate 2 and the second fixed plate 3, and two ends of the winding roller 10 are respectively provided with clamping grooves 11 matching the first clamping block 6 and the second clamping block 9, a bracket 15 is fixed to the top of the main board 1, a cylinder 16 is installed on the top of the bracket 15, and the output end of the cylinder 16 passes through the inner top wall of the bracket 15 and is fixed with a cutter 17.

[0022] The effect achieved by the entire embodiment 1 is that, through the operation of the first motor 7, the second clamping block 9 can be driven to rotate, thereby driving the winding roller 10 clamped by the second clamping block 9 to rotate under the cooperation of the first clamping block 6, thereby achieving the effect of automatic winding. Through the operation of the driving structure 12, the second fixed plate 3 can be driven away from the first fixed plate 2. At this time, the second clamping block 9 provided at one end of the second fixed plate 3 will be separated from the winding roller 10. At this time, the user can make the winding roller 10 move sideways a little to make it separate from the first clamping block 6, thereby removing the winding roller 10. This removal method is very convenient and more efficient. During installation, it is only necessary to clamp one end of the winding roller 10 on the first clamping block 6, and through the movement of the second fixed plate 3, the second clamping block 9 is clamped with the other end of the winding roller 10, so as to achieve the effect of installing the winding roller 10. Through the operation of the cylinder 16, the cutter 17 can be driven to descend, thereby cutting the BOPP film.

[0023] Embodiment 2, as Figure 1-4 As shown, the driving structure 12 includes a second motor 1201 arranged at one end of the main board 1, the output end of the second motor 1201 passes through one side of the main board 1 and is fixed with a screw 1202, a movable plate 1203 is threadedly connected to the outer wall of the screw 1202, both ends of the movable plate 1203 are slidably connected to the limiting pillars 1204, a connecting block 1205 is fixed to the top of the movable plate 1203, the top of the connecting block 1205 passes through the top of the main board 1 and is fixed to the second fixed plate 3, a movable groove 13 matching the connecting block 1205 is opened at the top of the main board 1, and the screw 1202 is away from the second motor 120 One end of 1 is rotatably connected to the main board 1, both ends of the limit column 1204 are fixed to the main board 1, and one end of the main board 1 and the second fixed plate 3 are fixed with a stabilizing frame 14, the first motor 7 and the second motor 1201 are respectively installed on the two stabilizing frames 14 at one end facing the first fixed plate 2, the top of the main board 1 is located below the cutter 17 and a telescopic rod 18 is installed, the output end of the telescopic rod 18 is fixed with a stabilizing plate 19, and the top of the stabilizing plate 19 is provided with a cutting groove 20 matching the cutter 17, a plurality of legs 21 are fixed to the bottom end of the main board 1, and a bracket 15 is arranged on one side of the first fixed plate 2 and the second fixed plate 3.

[0024] The effect achieved by the entire embodiment 2 is that, after the winding and shearing is completed, the user only needs to hold the winding roller 10, and through the operation of the second motor 1201, the screw 1202 is driven to rotate, so that the movable plate 1203 moves under the limit of the limit column 1204, thereby driving the second fixed plate 3 connected to the connecting block 1205 away from the first fixed plate 2. At this time, the second clamping block 9 provided at one end of the second fixed plate 3 will be separated from the winding roller 10. At this time, the user can make the winding roller 10 move sideways a little to make it separate from the first clamping block 6, thereby removing the winding roller. 10. This method of taking out is very convenient and more efficient. During installation, it is only necessary to clamp one end of the winding roller 10 on the first clamping block 6, and by moving the second fixing plate 3, the second clamping block 9 is clamped with the other end of the winding roller 10, so as to achieve the effect of installing the winding roller 10. When the cutter 17 moves down for shearing, the operation of the telescopic rod 18 can drive the stabilizing plate 19 to move up and move it to the bottom end of the BOPP film to support the shearing position of the BOPP film. At this time, the cutter 17 descends to cut it smoothly.

[0025] Working principle: When the device is used, the operation of the first motor 7 can drive the second clamping block 9 to rotate, thereby driving the winding roller 10 connected to the second clamping block 9 to rotate with the cooperation of the first clamping block 6, so as to achieve the effect of automatic winding. The operation of the cylinder 16 can drive the cutter 17 to descend, so as to cut the BOPP film. When the cutter 17 moves down for shearing, the operation of the telescopic rod 18 can pull the stabilizing plate 19 up to move it to the bottom end of the BOPP film to support the shearing part of the BOPP film. At this time The cutter 17 descends and cuts it smoothly. When the winding and cutting is completed, the user only needs to hold the winding roller 10, and through the operation of the second motor 1201, the screw 1202 is driven to rotate, so that the movable plate 1203 moves under the limit of the limit column 1204, thereby driving the second fixed plate 3 connected to the connecting block 1205 away from the first fixed plate 2. At this time, the second clamping block 9 provided at one end of the second fixed plate 3 will be separated from the winding roller 10. At this time, the user can make the winding roller 10 move sideways a little to make it separate from the first clamping block 6, thereby removing the winding roller 10.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A BOPP film automatic winding and cutting device, comprising a main board (1), characterized in that: A first fixing plate (2) is fixed on one side of the top of the main board (1), a second fixing plate (3) is provided on the other side of the top of the main board (1), a driving structure (12) for driving the second fixing plate (3) to move is provided inside the main board (1), a rotating shaft (4) is rotatably connected to the inner side of one end of the first fixing plate (2) facing the second fixing plate (3), a first clamping block (6) is fixed on one end of the rotating shaft (4), a first motor (7) is provided on the end of the second fixing plate (3) away from the first fixing plate (2), and the first motor The output end of the main board (7) passes through the second fixed plate (3) and is fixed with a second clamping block (9); a winding roller (10) is provided between the first fixed plate (2) and the second fixed plate (3); two ends of the winding roller (10) are respectively provided with clamping grooves (11) matching the first clamping block (6) and the second clamping block (9); a bracket (15) is fixed at the top end of the main board (1); a cylinder (16) is installed at the top end of the bracket (15); the output end of the cylinder (16) passes through the inner top wall of the bracket (15) and is fixed with a cutter (17).

2. The BOPP film automatic winding and shearing device according to claim 1, characterized in that: The driving structure (12) comprises a second motor (1201) arranged at one end of the main board (1); the output end of the second motor (1201) passes through one side of the main board (1) and is fixed with a screw rod (1202); a movable plate (1203) is threadedly connected to the outer wall of the screw rod (1202); both ends of the movable plate (1203) are slidably connected to limit posts (1204); a connecting block (1205) is fixed to the top of the movable plate (1203); the top of the connecting block (1205) passes through the top of the main board (1) and is fixed to the second fixed plate (3).

3. The BOPP film automatic winding and shearing device according to claim 2, characterized in that: The top of the main board (1) is provided with a movable groove (13) matching the connecting block (1205); the end of the screw rod (1202) away from the second motor (1201) is rotatably connected to the main board (1); and both ends of the limiting column (1204) are fixed to the main board (1).

4. The BOPP film automatic winding and shearing device according to claim 2, characterized in that: A stabilizing frame (14) is fixed to one end of each of the main board (1) and the second fixing board (3), and the first motor (7) and the second motor (1201) are respectively mounted on one end of the two stabilizing frames (14) facing the first fixing board (2).

5. The BOPP film automatic winding and shearing device according to claim 1, characterized in that: A telescopic rod (18) is installed at the top end of the main board (1) below the cutter (17), a stabilizing plate (19) is fixed to the output end of the telescopic rod (18), and a cutting groove (20) matching the cutter (17) is formed at the top end of the stabilizing plate (19).

6. The BOPP film automatic winding and shearing device according to claim 1, characterized in that: A plurality of legs (21) are fixed to the bottom end of the main board (1), and the bracket (15) is arranged on one side of the first fixing plate (2) and the second fixing plate (3).

Images