CN212075863U - A plastic film winding device - Google Patents

Abstract

The utility model relates to the technical field of plastic film production, in particular to a plastic film winding device, which comprises a frame, a pressing roller, a guiding roller, a tensioning roller, a pulling roller and a film winding roller. By symmetrically arranging pressing rollers on the frame, the plastic film that needs to be rolled can be flattened in one step in advance, which can help improve the quality of the plastic film after rolling. By setting guide rollers and pulling rollers on the frame, the plastic film is effectively guided and pulled before the plastic film is wound; at the same time, a tensioning roller and a tensioning device are arranged between the guiding rollers and the pulling rollers, according to the actual production The speed can provide different tension adjustment for the plastic film, reduce the bad problems such as wrinkles and folds of the film roll during the winding process, and improve the winding quality. By setting limit plates symmetrically at both ends of the film roll and adjusting the width between the limit plates at both ends by the adjusting device, the width of the film roll can be changed and adjusted according to the actual production width, so that the application range of the winding device is wider. .

Description

A plastic film winding device

technical field

The utility model relates to the technical field of plastic film production, in particular to a plastic film winding device.

Background technique

Plastic film winding is the process of continuously winding the plastic film continuously produced on the production line on the core drum to form a film roll. Generally, the rewinding operation is required after the plastic film is processed or after the cutting process. In recent years, the production technology of plastic film has developed rapidly. While the production speed is continuously improved in the production process, the requirements for the quality of the plastic film are also getting higher and higher. In the process of winding the plastic film in the existing winding device, when the radius of the film roll on the core drum becomes larger and larger, it is easy to cause the film roll to wrinkle or fold due to insufficient surface tension of the plastic film. Unevenness and other undesirable phenomena will affect the quality of the plastic film after winding. Therefore, it is necessary to improve the existing plastic film winding device.

Utility model content

The purpose of the present invention is to provide a plastic film winding device to solve the prior art problems existing in the above background technology.

In order to solve the above technical problems, the technical scheme provided by the present utility model is as follows: a plastic film winding device is provided, which includes a frame, a pressing roller, a guide roller, a tension roller, a traction roller and a film winding roller; the Two sets of pressing rollers are arranged symmetrically up and down, the pressing rollers are connected with the frame in rotation; both ends of the shaft of the guide roller are fixedly connected with the frame, and the body of the guide roller is rotatably connected with the shaft of the guide roller; The end is fixed on the tensioning device, the tensioning roller body is rotatably connected with the tensioning roller shaft, and the tensioning device is symmetrically arranged on the side wall of the frame; the traction roller is rotatably connected with the frame; the film The roll is rotatably connected to the frame, and limit plates are symmetrically arranged at both ends of the film roll, and the limit plates are fixedly connected to the adjusting device; the adjusting device is fixedly arranged on the mounting plate, and the mounting plate is connected to the machine. Frame hinged.

On the basis of the above technical solution, the tensioning device includes a second motor, a first bevel gear, a second bevel gear, a screw rod and a slider, the output shaft of the second motor is fixedly connected with a first bevel gear, and the first bevel gear is fixedly connected to the output shaft of the second motor. A bevel gear meshes with a second bevel gear, a screw rod is fixedly connected to the second bevel gear, a slider is slidably connected to the screw rod, and the slider is fixedly connected to the tension roller shaft.

On the basis of the above technical solution, the adjusting device includes a mounting seat, a first gas spring and a second gas spring, the first gas spring and the second gas spring are symmetrically arranged on the left and right sides of the mounting seat, and the first gas spring and the second gas spring are symmetrically arranged on the left and right sides of the mounting seat. One ends of the gas spring and the second gas spring away from the mounting seat are respectively fixedly connected with the limiting plate.

On the basis of the above technical solution, a static elimination device is fixedly arranged below the film roll, and the static elimination device includes a pressure plate, a cylinder, a lead wire and a grounding block; one end of the pressure plate is in contact with the film roll, and the other end is in contact with the film roll. It is fixedly connected with the piston rod of the cylinder, and an insulating layer is fixedly arranged between the pressure plate and the piston rod; the cylinder is fixedly connected to the frame; one end of the lead wire is fixedly connected to the side wall of the pressure plate, and the other end is fixedly connected to the grounding block ; The grounding block is fixedly arranged on the ground.

On the basis of the above technical solution, a conductive soft pad is fixedly arranged at one end of the pressing plate in contact with the film roll.

On the basis of the above technical solution, an insulating hose is sleeved on the outer side of the lead wire.

The beneficial effects produced by the technical solution provided by the utility model are:

1. By symmetrically arranging pressing rollers on the frame, the plastic film that needs to be rolled can be flattened one step in advance, which can help improve the quality of the plastic film after rolling.

2. By setting the guide roller and the traction roller on the frame, the plastic film can be effectively guided and drawn before the plastic film is wound; at the same time, a tension roller and a tension device are arranged between the guide roller and the traction roller. The actual production speed can provide different tension adjustment for the plastic film, reduce the bad problems such as wrinkles and folds of the film roll during the winding process, and improve the winding quality.

3. By setting limit plates symmetrically at both ends of the film roll, and adjusting the width between the limit plates at both ends by the adjusting device, the width of the film roll is changed and adjusted according to the actual production of the film roll, so that the applicable range of the winding device can be adjusted. wider.

4. By setting the static elimination device under the film roll, the static electricity that is easy to occur during the winding process can be eliminated, so as to avoid its influence on the winding quality; a cylinder is set under the pressure plate, which can reduce the radius of the film roll during production. Adjust the height of the pressure plate when it is getting bigger and bigger to achieve the ideal static elimination effect.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of another angle of the present utility model;

Fig. 3 is the structural sectional view of the tensioning device in the present utility model;

Fig. 4 is the structural representation of the static electricity removing device in the present utility model;

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is further described:

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "left", "right", "front", "rear", "top", "bottom", etc. are all based on the accompanying drawings The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a Utility Model Restrictions.

As shown in Figures 1 to 4, a plastic film winding device includes a frame 1, a pressing roller 2, a guide roller 3, a tensioning roller 4, a pulling roller 5 and a film winding roller.

The pressing rollers 2 are symmetrically arranged in two groups up and down, and the pressing rollers 2 are rotatably connected with the frame 1 . By arranging the pressing rollers 2 symmetrically on the frame 1, the plastic film to be wound can be flattened in one step in advance, which can assist in improving the quality of the plastic film after winding.

Both ends of the guide roller shaft 32 are fixedly connected to the frame 1 , and the guide roller body 31 is rotatably connected to the guide roller shaft 32 . The traction roller 5 is rotatably connected with the frame 1 . The frame 1 is provided with a guide roller 3 and a traction roller 5 to effectively guide and pull the plastic film before the plastic film is wound, so as to avoid the phenomenon of path deviation during the winding process of the plastic film, which affects the winding quality.

Both ends of the tensioning roller shaft 42 are fixedly arranged on the tensioning device 7 , the tensioning roller body 41 is rotatably connected with the tensioning roller shaft 42 , and the tensioning device 7 is symmetrically arranged on the side wall of the frame 1 . As shown in FIG. 3 , the tensioning device 7 includes a second motor 71 , a first bevel gear 72 , a second bevel gear 73 , a screw 74 and a slider 75 , the output shaft of the second motor 71 is fixedly connected with the first bevel gear 72 , The first bevel gear 72 meshes with the second bevel gear 73 , the second bevel gear 73 is fixedly connected with a screw rod 74 , the screw rod 74 is slidably connected with a slider 75 , and the slider 75 is fixedly connected with the tension roller shaft 42 . A tensioning roller 4 and a tensioning device 7 are arranged between the guide roller 3 and the pulling roller 5. According to the actual production speed, the plastic film can be adjusted with different tensions, so as to reduce wrinkles and folds of the film roll during the winding process. And other bad problems, improve the quality of winding.

The film roll 6 is rotatably connected with the frame 1 , and limit plates 8 are symmetrically arranged at both ends of the film roll 6 , and the limit plates 8 are fixedly connected with the adjusting device 9 . The adjusting device 9 is fixedly arranged on the mounting plate 10, and the mounting plate 10 is hingedly connected with the frame 1, which facilitates the disassembly and assembly of the film roll 6 after the winding is completed. On the basis of the above technical solution, the adjusting device 9 includes a mounting seat 91, a first gas spring 92 and a second gas spring 93. The first gas spring 92 and the second gas spring 93 are symmetrically arranged on the left and right sides of the mounting seat 91. One end of the gas spring 92 and the second gas spring 93 away from the mounting seat 91 are respectively fixedly connected to the limiting plate 8 . By arranging limit plates 8 symmetrically at both ends of the film roll 6 and adjusting the width between the limit plates 8 at both ends by the adjusting device 9, the width of the film rolls actually produced is changed and adjusted, so that the winding device can be adjusted. The scope of application is wider.

A static elimination device 11 is fixedly arranged below the film roll 6 , as shown in FIG. One end of the pressing plate 111 is in contact with the film roll 6, and the other end is fixedly connected with the piston rod of the cylinder 112. An insulating layer is fixedly arranged between the pressing plate 111 and the piston rod; the cylinder 112 is fixedly connected with the frame 1. One end of the lead 113 is fixedly connected to the side wall of the pressing plate 111 , and the other end is fixedly connected to the grounding block 114 . The ground block 114 is fixed on the ground. By disposing the static elimination device 11 under the film roll 6, the static electricity that is easy to occur during the winding process can be eliminated, and its influence on the winding quality can be avoided; When the roll radius becomes larger and larger, adjust the height of the pressing plate to achieve ideal static elimination effect.

More preferably, the end of the pressing plate 111 in contact with the film roll 6 is fixedly provided with a conductive soft pad. The conductive soft pad can protect the rolled plastic film during the use of the static elimination device, and reduce the occurrence of damage such as scratches on the plastic film by the pressing plate.

More preferably, the outer side of the lead wire 113 is sleeved with an insulating hose, which can protect workers from injury during the production process and increase their safety performance.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and does not deviate from the present invention. The present invention can be implemented in other specific forms under the condition of the spirit or basic features. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A plastic film winding device, characterized in that it comprises a frame (1), a pressing roller (2), a guide roller (3), a tension roller (4), a traction roller (5) and a film winding roller (6); two sets of the pressing roller (2) are symmetrically arranged up and down, the pressing roller (2) is rotatably connected with the frame (1); both ends of the guide roller shaft (32) are connected to the frame (1) ) is fixedly connected, the guide roller body (31) is rotatably connected with the guide roller shaft (32); both ends of the tension roller shaft (42) are fixedly arranged on the tensioning device (7), and the tension roller body (41) is connected with the guide roller shaft (42). The tensioning roller shaft (42) is rotatably connected, and the tensioning device (7) is symmetrically arranged on the side wall of the frame (1); the traction roller (5) is rotatably connected with the frame (1); the The film roll (6) is rotatably connected to the frame (1), limit plates (8) are symmetrically arranged at both ends of the film roll (6), and the limit plates (8) are fixed to the adjusting device (9). connection; the adjusting device (9) is fixedly arranged on the mounting plate (10), and the mounting plate (10) is hinged with the frame (1). 2. A plastic film winding device according to claim 1, characterized in that, the tensioning device (7) comprises a second motor (71), a first bevel gear (72), a second bevel gear ( 73), screw (74) and slider (75), the output shaft of the second motor (71) is fixedly connected with a first bevel gear (72), the first bevel gear (72) and the second bevel gear ( 73) meshing, the second bevel gear (73) is fixedly connected with a screw (74), and a slider (75) is slidably connected to the screw (74), and the slider (75) is connected to the tension roller shaft (42) Fixed connection. 3. A plastic film winding device according to claim 1, wherein the adjusting device (9) comprises a mounting seat (91), a first gas spring (92) and a second gas spring (93) , the first gas spring (92) and the second gas spring (93) are symmetrically arranged on the left and right sides of the mounting seat (91), and the first gas spring (92) and the second gas spring (93) are installed away from One end of the seat (91) is respectively fixedly connected with the limiting plate (8). 4 . The plastic film winding device according to claim 1 , wherein a static elimination device ( 11 ) is fixedly arranged below the film roll ( 6 ), and the static elimination device ( 11 ) comprises: 5 . a pressure plate (111), a cylinder (112), a lead wire (113) and a grounding block (114); one end of the pressure plate (111) is in contact with the film roll (6), and the other end is fixed with the piston rod of the cylinder (112) An insulating layer is fixedly arranged between the pressure plate (111) and the piston rod; the cylinder (112) is fixedly connected to the frame (1); one end of the lead (113) is fixedly connected to the side wall of the pressure plate (111) , and the other end is fixedly connected to the grounding block (114); the grounding block (114) is fixedly arranged on the ground. 5 . The plastic film winding device according to claim 4 , wherein a conductive pad is fixedly arranged at one end of the pressing plate ( 111 ) in contact with the film winding roller ( 6 ). 6 . 6 . The plastic film winding device according to claim 4 , wherein an insulating hose is sleeved on the outer side of the lead wire ( 113 ). 7 .

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