CN217458205U

CN217458205U - PET curtain coating film unidirectional stretching production is with cutting device

Info

Publication number: CN217458205U
Application number: CN202221571882.3U
Authority: CN
Inventors: 吴继程
Original assignee: Suzhou Sunchoo New Energy Technology Co ltd
Current assignee: Suzhou Sunchoo New Energy Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-20
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a PET curtain coating film unidirectional stretching production is with cutting device, including cutting the device main part, cut and be equipped with the cutter dead lever in the device main part, and even cover is established and is installed and divide the cutter on the cutter dead lever, cut device main part both sides and all be equipped with the curb plate, and the lower extreme between the curb plate is connected with the connecting plate, connecting plate top bilateral symmetry is equipped with first guide roll axle group and second guide roll axle group, and all is equipped with fixation roller and loose roll on first guide roll axle group and the second guide roll axle group, it cuts to be equipped with the backing roll between first guide roll axle group and the second guide roll axle group, the both ends that the movable roll and cut the backing roll are equipped with the fixed strip, and the pneumatic cylinder is installed to fixed strip lower extreme symmetry. This PET curtain coating film unidirectional stretching production is with cutting device cuts the location through the direction roller group of both sides to the film when using, to prevent that the not hard up condition of film appearance from influencing the quality of cutting.

Description

PET curtain coating film unidirectional stretching production is with cutting device

Technical Field

The utility model relates to a film processing technology field specifically is a PET curtain coating film unidirectional stretching production is with cutting device.

Background

Cast film is a non-stretched, non-oriented cast film produced by melt casting quenching. Its advantages are high productivity, high transparency, lustre and uniformity of thickness.

The existing PET casting film needs to be wound by a winding device after being extruded, and is divided into required widths by a dividing and cutting device in the winding process, but when the dividing and cutting device is used, the film is easy to have the condition of different tightness due to the tension effect, so that the dividing and cutting are not smooth, and the dividing and cutting quality of the PET casting film is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PET curtain coating film unidirectional stretching production is with cutting device to solve the present market that above-mentioned background art provided and cut the device when using, the unevenness is caused to cut in the easy condition that the elasticity differs appears owing to tension effect of film, influences the problem of the quality of cutting of PET curtain coating film.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PET curtain coating film unidirectional stretching production is with cutting device, includes cuts the device main part, cut and be equipped with the cutter dead lever in the device main part, and evenly overlap on the cutter dead lever and establish and install branch cutter, cut device main part both sides and all be equipped with the curb plate, and the lower extreme between the curb plate is connected with the connecting plate to the relief hole has been seted up on the connecting plate, connecting plate top bilateral symmetry is equipped with first direction roller shaft group and second direction roller shaft group, and all is equipped with fixed roll and live-rollers on first direction roller shaft group and the second direction roller shaft group, be equipped with between first direction roller shaft group and the second direction roller shaft group and cut the backing roll, and cut even cover on the backing roll and be equipped with and divide the corresponding spacing seat of cutting knife position, the live-rollers is equipped with the fixed strip with the both ends of cutting the backing roll, and the pneumatic cylinder is installed to fixed strip lower extreme symmetry.

Preferably, the cutter fixing rod is of a square tube structure, is positioned on the side face above the slitting supporting roll, and is fixed with the side plates in an inserting mode at two ends.

Preferably, the diameters of the fixed roller and the movable roller are the same, and the movable roller is close to one side of the limiting rod.

Preferably, the length of the discharge hole is longer than that of the slitting support roller, and the discharge hole is positioned below the slitting support roller.

Preferably, the fixing strip is further symmetrically inserted with limiting rods, and the limiting rods are movably connected with the fixing strip.

Preferably, the limiting rod is vertically arranged relative to the connecting plate and is of a T-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: this PET curtain coating film unidirectional stretching production is with cutting device cuts the location through the direction roller group of both sides to the film when using, to prevent that the not hard up condition of film appearance from influencing the quality of cutting. This PET curtain coating film unidirectional stretching production is with guide roll axle group of cutting device constitutes through fixed roll and the movable roll that can reciprocate, lets the film can be fast around establishing on guide roll axle group.

Drawings

FIG. 1 is a schematic structural view of a slitting device for unidirectional stretching production of a PET cast film of the present invention;

FIG. 2 is a schematic view of the structure of the PET cast film unidirectional stretching slitting device of the present invention, in which the fixed strips are adjusted by the movement of the hydraulic cylinder;

figure 3 is the utility model relates to a PET casting film unidirectional stretching production is with cutting device top view.

In the figure: 1. a slitting device main body; 2. a first guide roller shaft group; 3. a limiting rod; 4. a slitting knife; 5. a cutter fixing rod; 6. a side plate; 7. a second guide roller shaft group; 8. a fixed roller; 9. a movable roller; 10. cutting a supporting roller; 11. a discharge hole; 12. cutting a limiting seat; 13. a hydraulic cylinder; 14. a fixing strip; 15. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cutting device for the unidirectional stretching production of PET cast films comprises a cutting device main body 1, wherein a cutter fixing rod 5 is arranged on the cutting device main body 1, a slitting cutter 4 is uniformly sleeved on the cutter fixing rod 5, the cutter fixing rod 5 is of a square tube structure, the cutter fixing rod 5 is positioned on the side surface above a slitting supporting roller 10, and two ends of the cutter fixing rod 5 are inserted and fixed with side plates 6, the structure enables the cutter fixing rod 5 and the slitting supporting roller 10 to be arranged in a staggered mode, when the slitting supporting roller 10 is subjected to up-and-down moving treatment, the slitting supporting roller 10 can be prevented from hitting the cutter fixing rod 5, the square tube structure of the cutter fixing rod 5 can effectively prevent the slitting cutter 4 from rotating and deviating, the slitting cutter 4 is easy to perform slitting treatment on the films, the side plates 6 are arranged on two sides of the cutting device main body 1, and the lower end between the side plates 6 is connected with a connecting plate 15, and the connecting plate 15 is provided with a discharge hole 11, the length of the discharge hole 11 is longer than that of the slitting support roller 10, and the discharge hole 11 is positioned below the slitting support roller 10, the structure enables film waste materials generated by slitting at two sides to be directly discharged through the discharge hole 11 for collection treatment, the first guide roller shaft group 2 and the second guide roller shaft group 7 are symmetrically arranged at two sides above the connecting plate 15, the first guide roller shaft group 2 and the second guide roller shaft group 7 are respectively provided with a fixed roller 8 and a movable roller 9, the diameters of the fixed roller 8 and the movable roller 9 are the same, the movable roller 9 is close to one side of the limiting rod 3, the structure enables the movable roller 9 to be positioned at the inner side, after the movable roller 9 moves downwards, the uniform height difference between the fixed roller 8 and the movable roller 9 is realized, at the moment, a PET film can pass through the fixed roller 8 and the movable roller 9, and the cast PET film is paved on the slitting device main body 1, the fixed strips 14 drive the movable rollers 9 to move upwards under the drive of the hydraulic cylinder 13, so that the PET cast film is wound in an S shape between the first guide roller shaft group 2 and the second guide roller shaft group 7, the slitting support rollers 10 between the movable rollers 9 are in close contact with the PET cast film through the slitting limiting seats 12, the condition that the PET cast film is loosened in the conveying process is prevented, the slitting deviation of the PET cast film is avoided, the slitting quality is prevented from being influenced, the slitting support rollers 10 are arranged between the first guide roller shaft group 2 and the second guide roller shaft group 7, the slitting support rollers 10 are uniformly sleeved with the slitting limiting seats 12 corresponding to the slitting cutters 4, the upper end planes of the slitting limiting seats 12 are higher than the upper end planes of the movable rollers 9, a certain included angle is formed between the PET cast film and the slitting limiting seats 12, the PET cast film is stretched and flattened, and the slitting cutters 4 are easy to perform slitting treatment on the PET cast film, the two ends of the movable roller 9 and the slitting support roller 10 are provided with fixed strips 14, the fixed strips 14 are also symmetrically inserted with limiting rods 3, and the limiting rod 3 is movably connected with the fixing strip 14, the structure ensures that the limiting rod 3 can play a role of moving and limiting the fixing strip 14, thereby the movable roller 9 and the slitting support roller 10 which are arranged between the fixed strips 14 can be stable, the fixed strips 14 can be connected and fixed through the connecting rods, the synchronism of the up-and-down movement of the fixed strips 14 is improved, the limiting rod 3 is vertically arranged relative to the connecting plate 15, and the limiting rod 3 is a T-shaped structure, when the fixing strip 14 moves up and down, the limiting rod 3 can move for limiting, the connecting plate 15 can fasten the limiting rod 3 by inserting and bolts, and pneumatic cylinder 13 is installed to fixed strip 14 lower extreme symmetry, and pneumatic cylinder 13 is current pneumatic cylinder structure, and the regulation processing that moves up and down is carried out to fixed strip 14 through piston motion drive.

The working principle is as follows: when the cutting device for the unidirectional stretching production of the PET cast film is used, firstly, the PET cast film produced by extrusion is cut by the cutting device main body 1 in the unidirectional stretching and winding process, the PET cast film is cut into required width and then wound, the side plate 6 is used for fixing the cutting device main body 1, when the PET cast film is wound on the cutting device main body 1, the hydraulic cylinder 13 is used for driving the fixing strip 14 to drive the movable roller 9 and the cutting support roller 10 to move downwards, the PET cast film passes through the space between the movable roller 9 and the fixed roller 8, then the hydraulic cylinder 13 is used for driving the fixing strip 14 to drive the movable roller 9 and the cutting support roller 10 to move upwards, the PET cast film is wound between the fixed roller 8 and the movable roller 9 of the first guide roller group 2 and the second guide roller group 7 in an S-shaped structure, the fixing strip 14 is moved and limited by the limiting rod 3 in the moving process, connecting plate 15 plays the effect of lower extreme fixed treatment to gag lever post 3 and pneumatic cylinder 13, and when the conveying roller made PET curtain coating film carry transport processing, the branch cutter 4 on the cutter dead lever 5 carried out PET curtain coating film with cut spacing 12 cooperation and cut the processing, and the waste material that produces is cut to both sides directly discharges through relief hole 11 to accomplish a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a PET curtain coating film unidirectional stretching production is with cutting device, is including cutting device main part (1), be equipped with cutter dead lever (5) on cutting device main part (1), and cutter dead lever (5) go up even cover and establish and install branch cutter (4), its characterized in that: both sides of the main body (1) of the cutting device are provided with side plates (6), the lower end between the side plates (6) is connected with a connecting plate (15), a discharge hole (11) is arranged on the connecting plate (15), a first guide roller shaft group (2) and a second guide roller shaft group (7) are symmetrically arranged on two sides above the connecting plate (15), and the first guide roller shaft group (2) and the second guide roller shaft group (7) are both provided with a fixed roller (8) and a movable roller (9), a slitting support roller (10) is arranged between the first guide roller shaft group (2) and the second guide roller shaft group (7), and a slitting limiting seat (12) corresponding to the slitting knife (4) is uniformly sleeved on the slitting supporting roller (10), the movable roller (9) and the two ends of the slitting supporting roller (10) are provided with fixing strips (14), and hydraulic cylinders (13) are symmetrically arranged at the lower ends of the fixing strips (14).

2. The slitting device for the unidirectional stretching production of the PET cast film according to claim 1, characterized in that: the cutter fixing rod (5) is of a square tube structure, the cutter fixing rod (5) is located on the side face above the slitting supporting roller (10), and two ends of the cutter fixing rod (5) are inserted into the side plates (6) to be fixed.

3. A slitting device for the unidirectional stretching production of PET cast film according to claim 1, characterized in that: the diameter of the fixed roller (8) is the same as that of the movable roller (9), and the movable roller (9) is close to one side of the limiting rod (3).

4. A slitting device for the unidirectional stretching production of PET cast film according to claim 1, characterized in that: the length of relief hole (11) is longer than the length of cutting backing roll (10), and relief hole (11) are in and cut backing roll (10) below.

5. A slitting device for the unidirectional stretching production of PET cast film according to claim 1, characterized in that: the limiting rods (3) are symmetrically inserted into the fixing strips (14), and the limiting rods (3) are movably connected with the fixing strips (14).

6. A slitting device for PET cast film uniaxial stretching production according to claim 5, which is characterized in that: the limiting rod (3) is vertically arranged relative to the connecting plate (15), and the limiting rod (3) is of a T-shaped structure.