CN213037061U

CN213037061U - Plastic film winding device

Info

Publication number: CN213037061U
Application number: CN202021524944.6U
Authority: CN
Inventors: 李京霖
Original assignee: Tianjin Renyi Technology Development Co ltd
Current assignee: Tianjin Renyi Industrial Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-23
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a plastic film coiling mechanism, includes fixing base, tensioning roller, wind-up roll, reserve roller, cutting mechanism and the mechanism of blowing, and cutting mechanism includes cutter and lower cutting plate, after cutting mechanism cuts off the plastic film, the mechanism of blowing blows the plastic film fracture of newly forming to reserve roller, and lower cutting plate moves down under actuating mechanism's an effect, and reserve roller rolls to wind-up roll position along the lateral wall top surface. Plastic film coiling mechanism can change a roll under the condition of not shutting down, has improved production efficiency, and need not the artifical membrane head that will break and roll up new wind-up roll, has saved the manpower.

Description

Plastic film winding device

Technical Field

The utility model relates to a plastic film makes the field, concretely relates to plastic film coiling mechanism.

Background

In the plastic film manufacturing process, the plastic film blown out through the film blowing machine needs to be rolled up by using a rolling device, when the rolled length of the plastic film reaches a preset length, the plastic film is required to be cut off to replace a rolling roller, in the process of replacing a new rolling roller, the machine is generally required to be stopped for replacement, and a broken film head needs to be manually rolled up again on the new rolling roller, so that the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the replacement of the wind-up roll in the prior art requires shutdown and manual work to roll the film head on a new wind-up roll.

In order to achieve the purpose, the utility model provides a plastic film winding device, which comprises a fixed seat, a tensioning roller, a winding roller, a standby roller, a cutting mechanism and a blowing mechanism, wherein two ends of the winding roller are fixed in arc grooves on two side walls of the fixed seat, and the winding roller is rotationally connected with the fixed seat; the cutting mechanism comprises an upper cutter and a lower cutting plate, the cutting mechanism is positioned between the winding roller and the standby roller, a cutting groove matched with the upper cutter is formed in the upper surface of the lower cutting plate, the lower cutting plate is fixed on a driving mechanism I which is arranged at the bottom of the fixed seat and can vertically move, the upper cutter and the air blowing mechanism are fixed on a driving mechanism II which can vertically move, the air blowing mechanism is positioned between the upper cutter and the standby roller, and an air outlet of the air blowing mechanism faces one side of the standby roller; the standby roller is positioned on the left side of the winding roller, the rotating shafts on two sides of the standby roller are arranged on the side walls, the top surface of the side wall where the standby roller is positioned to the top surface of the side wall where the winding roller is positioned is a slope surface which inclines downwards, and the left side surface of the lower cutting plate just props against the standby roller.

Specifically, the first driving mechanism and the second driving mechanism are preferably cylinder driving devices, and the upper cutter and the blowing mechanism are fixed on a fixing plate of the cylinder driving devices.

Specifically, for preventing that reserve roller from taking place axial displacement deflection moving recess in-process, the stopper is put to reserve roller both ends cover, and the distance between two stoppers is the distance between two lateral wall lateral surfaces of fixing base, the stopper rotates with reserve roller to be connected.

Specifically, the air blown out by the air blowing mechanism is hot air, and the plastic film generates certain viscosity and can be more firmly attached to the standby roller.

Specifically, the number of the blowing mechanisms is not less than three, and the blowing mechanisms are uniformly distributed on the fixing plate.

Compared with the prior art, plastic film coiling mechanism can change a roll under the circumstances of not shutting down, has improved production efficiency, and need not the manual work and will break the membrane head that falls and roll up new wind-up roll, has saved the manpower.

Drawings

Fig. 1 is a schematic structural view of a plastic film winding device of the present invention.

Fig. 2 is a side view of the plastic film rolling device of the present invention.

Fig. 3 is a schematic structural diagram of the plastic film winding device of the present invention when cutting the plastic film.

Fig. 4 is a schematic structural view of the lower cutting plate and the standby roller of the present invention.

Fig. 5 is a schematic structural view of the plastic film winding device during roll change.

Fig. 6 is an enlarged schematic view at a in fig. 3.

In the figure, 1, a fixed seat; 1a, a side wall; 1b, a groove; 2. a wind-up roll; 3. a tension roller; 4. a backup roll; 4a, a rotating shaft; 5. a second driving mechanism; 5a, fixing plates; 6. a limiting block; 7. a cutting mechanism; 7a, cutting the plate; 7b, an upper cutter; 8. a plastic film; 9. a first driving mechanism; 10. and an air blowing mechanism.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a plastic film coiling mechanism, includes fixing base 1, tensioning roller 3, wind-up roll 2, reserve roller 4, cutting mechanism 7 and the mechanism 10 of blowing, in the arc recess 1b of 1 both sides wall 1a of fixing base is fixed at 2 both ends of wind-up roll, wind-up roll 2 rotates with fixing base 1 to be connected.

The cutting mechanism comprises an upper cutter 7b and a lower cutter 7a and is positioned between the winding roller 2 and the standby roller 4, the upper surface of the lower cutter 7a is provided with a U-shaped cutting groove matched with the tool tip of the upper cutter 7b, the upper cutter 7b and the lower cutter 7a are the same in length, two sides of the lower surface of the lower cutter 7a are respectively fixed on a driving mechanism I9 capable of moving vertically, the driving mechanism I9 is fixedly arranged at the bottom of the fixed seat 1, the upper cutter 7b and the air blowing mechanism 10 are fixed on a driving mechanism II 5 capable of moving vertically, the air blowing mechanism 10 is positioned between the upper cutter 7b and the standby roller 4, the number of the air blowing mechanisms 10 is not less than 3, and the air outlet of the air blowing mechanism 10 faces one side of the standby roller 4.

The standby roller 4 is located on the left side of the winding roller 2, the rotating shafts 4a on two sides of the standby roller 4 are arranged on the side wall 1a, the top surface of the side wall 1a where the standby roller 4 is located and the top surface of the side wall 1a where the winding roller 2 is located are slope surfaces inclining downwards, so that the standby roller 4 can slowly roll to the groove 1b where the winding roller 2 is located from the existing position, during normal winding, the top surface of the lower cutting plate 7a is higher than the height of the side wall 1a, the left side surface of the lower cutting plate 7a just supports against the standby roller 4 to prevent the standby roller 4 from rolling, and the slope angle of the top surface of the side wall 1a can be further limited according to the film manufacturing speed.

The height of the tension roller 3 is higher than that of the standby roller 4, when the plastic film 8 is tensioned, the plastic film does not contact the standby roller 4, the connection mode of the tension roller 3 and the fixed seat 1 can be understood as the connection of the conventional means, and meanwhile, a driving motor (not shown in the figures) is fixedly connected to one side of the standby roller and one side of the winding roller.

Specifically, the first driving mechanism 9 and the second driving mechanism 5 are preferably cylinder driving devices, the upper cutter 7b and the air blowing mechanism 10 are fixed on the lower surface of a fixing plate 5a of the cylinder driving device, and the air blowing mechanism 10 is uniformly distributed on the fixing plate 5 a.

Specifically, for preventing that reserve roller 4 from taking place axial displacement deflection at the recess 1b in-process that removes, stopper 6 is put to reserve roller 4 both ends cover, and the distance between two stoppers 6 is the distance between the lateral surface of lateral wall 1a, stopper 6 rotates with reserve roller 4 and is connected.

Specifically, the air blown out by the air blowing mechanism 10 is hot air, and the plastic film 8 generates certain viscosity and can be more firmly attached to the standby roller 10.

The working process is as follows: when the plastic film is normally wound, the plastic film is directly wound onto the winding roller from the tension roller under the driving action of the winding roller, and the driving mechanism is in an extension state to prevent the standby roller from moving; when the length of the plastic film on the winding roller reaches a preset length, the driving mechanism II drives the upper cutter and the blowing mechanism to move downwards, when the upper cutter is completely matched with the cutting groove, the plastic film is cut off, the winding roller is moved away by a worker or a mechanical arm, the blowing mechanism blows a newly formed film head to the standby roller and then is driven by the driving mechanism II to lift upwards, meanwhile, the driving mechanism I drives the lower cutting plate to move downwards, the standby roller rotates on the top surface of the side wall of the fixed seat until the standby roller is clamped in the groove, the plastic film is driven to rotate to the standby roller in the rotating process, and the collection of the plastic film is not stopped in the whole roll changing process.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The plastic film winding device is characterized by comprising a fixed seat (1), a tensioning roller (3), a winding roller (2), a standby roller (4), a cutting mechanism (7) and an air blowing mechanism (10), wherein two ends of the winding roller (2) are fixed in arc-shaped grooves (1b) of two side walls (1a) of the fixed seat (1), and the winding roller (2) is rotatably connected with the fixed seat (1);

the cutting mechanism (7) comprises an upper cutter (7b) and a lower cutting plate (7a), the cutting mechanism (7) is positioned between the winding roller (2) and the standby roller (4), a cutting groove matched with the upper cutter (7b) is formed in the upper surface of the lower cutting plate (7a), the lower cutting plate (7a) is fixedly arranged on a driving mechanism I (9) capable of moving vertically, the driving mechanism I (9) is fixedly arranged at the bottom of the fixed seat (1), the upper cutter (7b) and the air blowing mechanism (10) are fixedly arranged on a driving mechanism II (5) capable of moving vertically, the air blowing mechanism (10) is positioned between the upper cutter (7b) and the standby roller (4), and an air outlet of the air blowing mechanism (10) faces one side of the standby roller (4);

the standby roller (4) is positioned on the left side of the winding roller (2), the rotating shafts (4a) on two sides of the standby roller (4) are arranged on the side wall (1a), the top surface of the side wall (1a) where the standby roller (4) is positioned is a slope surface inclined downwards to the top surface of the side wall (1a) where the winding roller (2) is positioned, and the left side surface of the lower cutting plate (7a) is just propped against the standby roller (4).

2. The plastic film winding device according to claim 1, wherein the first driving mechanism (9) and the second driving mechanism (5) are cylinder driving devices, and the upper cutter (7b) and the blowing mechanism (10) are fixed on a fixing plate (5a) of the cylinder driving devices.

3. The plastic film winding device according to claim 1, wherein the two ends of the standby roller (4) are sleeved with the limiting blocks (6), the distance between the two limiting blocks (6) is the distance between the outer side surfaces of the side walls (1a), and the limiting blocks (6) are rotatably connected with the standby roller (4).

4. The plastic film winding device according to claim 1, characterized in that the air blown by the blowing mechanism (10) is hot air.

5. The plastic film winding device according to claim 1, characterized in that the number of the blowing mechanisms (10) is not less than three, and is evenly distributed on the fixed plate (5 a).