CN210682603U

CN210682603U - Rewinding mechanism convenient to EVA film is tailor

Info

Publication number: CN210682603U
Application number: CN201921490586.9U
Authority: CN
Inventors: 孙政; 战丽娜; 吕相元; 战曼娜; 张焰
Original assignee: Shandong Haowei Commodity Co ltd
Current assignee: Shandong Haowei Commodity Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-05
Anticipated expiration: 2029-09-09

Abstract

The utility model relates to a rewinding mechanism convenient to EVA film is tailor belongs to film production processing technology field, including unwinding device and coiling mechanism, unwinding device includes two unwinding seats, unreel and install the pivot between the seat, the pivot links to each other with the pivot of installing in one of them unwinding seat outside, fixed one rotor arm that is equipped with in the pivot, the both ends of rotor arm respectively install one and unreel the roller, coiling mechanism includes two rolling framves, once be provided with preceding guide roll by right left on two rolling framves, two parallel rolls, cut the cutting roller, preceding wind-up roll, back guide roll and back wind-up roll, be equipped with two coiling motors on the lateral surface of one of them rolling frame, the one end gear connection of one of them coiling motor and preceding wind-up roll, the one end gear connection of another coiling motor and back wind-up roll. The utility model discloses it is more convenient to use, and production efficiency is higher, simultaneously still greatly reduced intensity of labour.

Description

Rewinding mechanism convenient to EVA film is tailor

Technical Field

The utility model relates to a rewinding mechanism convenient to EVA film is tailor belongs to film production and processing technical field.

Background

The EVA film is also called an environment-friendly film, is a film produced by extruding EVA raw materials through tape casting, is a new-generation environment-friendly degradable material, can be biodegraded, and cannot cause damage to the environment when being discarded or combusted.

In the production process of the EVA film, after the EVA film is rolled, the rolled roll may need to be cut and rewound according to actual requirements to reach the required width. The existing rewinding machine is very troublesome in both coil changing before slitting and coil changing after slitting, production efficiency is affected, and the rewinding machine is not very convenient when the slitting width needs to be adjusted, high in labor intensity and low in efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve exist among the prior art not enough, provide a use more convenient, the higher rewinding mechanism that the EVA film of being convenient for of production efficiency was tailor, greatly reduced intensity of labour.

The utility model discloses a realize through following technical scheme:

namely, the rewinding mechanism convenient for cutting the EVA film comprises an unwinding device and a winding device, wherein the unwinding device comprises two unwinding seats, a rotating shaft is arranged between the unwinding seats, the rotating shaft is connected with the rotating shaft arranged on the outer side of one of the unwinding seats, a rotating arm is fixedly arranged on the rotating shaft, two unwinding rollers are respectively arranged at two ends of the rotating arm, the winding device comprises two winding frames, a front guide roller, two parallel rollers, a cutting roller, a front winding roller, a rear guide roller and a rear winding roller are arranged on the two winding frames from right to left in one step, a pair of bearing seats is arranged on the rightmost end of each winding frame, the front guide roller is arranged between the two bearing seats, the two parallel rollers are arranged between the two winding frames, the cutting roller is positioned right above the middle of the two winding frames, a supporting mechanism of the two parallel rollers is arranged at the top ends of the winding frames, the supporting mechanism comprises a mounting, two guide rails are arranged in the mounting rack, a movable lifting bearing seat is arranged between the two guide rails, the cutting roller is arranged between the two movable lifting bearing seats, a lifting hand wheel is arranged on the top end of the mounting rack, a circular convex plate is arranged at the bottom end of the lifting hand wheel and is arranged in a circular groove formed in the top end of the movable lifting bearing seat, the circular convex plate is fixed by two limiting plates, a notch is arranged in the middle of the mounting rack, a pair of roller mounting seats are respectively arranged at the right end in the notch and the top end of the mounting rack, a front wind-up roller is arranged between the two roller mounting seats in the notch, a rear wind-up roller is arranged between the two roller mounting seats at the top end of the mounting rack, a limiting hand wheel is respectively arranged on the four roller mounting seats through the upper end of the four roller mounting seats, a pair of bearing, one of the winding motors is connected with a gear at one end of the front winding roller, and the other winding motor is connected with a gear at one end of the rear winding roller.

The utility model discloses be equipped with two and unreel the roller, conveniently change the EVA film and roll up, save time, two wind-up rolls after the rolling is accomplished also conveniently take off, are convenient for change and divide the EVA film book after cutting, and the width of cutting can be realized through the position of adjusting every cutting blade, and it is more convenient to use, and production efficiency is higher, simultaneously still greatly reduced intensity of labour.

Two unreel the roller and a cutting roller is the physiosis axle, conveniently changes EVA film book, conveniently removes, fixes cutting blade.

When the height of the cutting roller is reduced to the lowest, the height of the lower end of the cutting blade is lower than the height of the upper ends of the two parallel rollers, and the cutting roller is provided with length scales.

The height of the front guide roller and the height of the rear guide roller are lower than that of the unwinding roller.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of a supporting mechanism of the cutting roller;

fig. 4 is a schematic cross-sectional structure view of a-a in fig. 3.

In the figure: 1. an unwinding seat; 2. rotating the motor; 3. a rotating shaft; 4. a rotating arm; 5. unwinding rollers; 6. a winding frame; 7. a bearing seat; 8. a front guide roller; 9. parallel rollers; 10. a mounting frame; 11. a cutting roller; 12. a lifting hand wheel; 13. a limiting block; 14. A circular raised plate; 15. a roller mount; 16. a front wind-up roll; 17. a rear guide roller; 18. a rear wind-up roll; 19. a limiting hand wheel; 20. a cutting blade; 21. a winding motor; 22. a movable lifting bearing seat.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the rewinding mechanism convenient for cutting the EVA film comprises an unwinding device and a winding device, wherein the unwinding device comprises two unwinding seats 1, a rotating shaft 3 is installed between the unwinding seats 1, the rotating shaft 3 is connected with the rotating shaft 3 installed at the outer side of one of the unwinding seats 1, a rotating arm 4 is fixedly arranged on the rotating shaft 3, two unwinding rollers 5 are respectively installed at two ends of the rotating arm 4, the winding device comprises two winding frames 6, a front guide roller 8, two parallel rollers 9, a cutting roller 11, a front winding roller 16, a rear guide roller 17 and a rear winding roller 18 are arranged on the two winding frames 6 from right to left, a pair of bearing seats 7 is installed at the rightmost end of the winding frame 6, the front guide roller 8 is installed between the two bearing seats 7, the two parallel rollers 9 are installed between the two winding frames 6, the cutting roller 11 is located right above the middle of the two winding frames 6, a plurality of cutting blades 20 are arranged on a cutting roller 11, a supporting mechanism of two parallel rollers 9 is arranged at the top end of a winding frame 6, the supporting mechanism comprises an installation frame 10, the installation frame 10 is of a door-shaped structure, two guide rails are arranged inside the installation frame 10, movable lifting bearing seats 22 are arranged between the two guide rails, the cutting roller 11 is installed between the two movable lifting bearing seats 22, a lifting hand wheel 12 is arranged through the top end of the installation frame 10, a circular convex plate 14 is arranged at the bottom end of the lifting hand wheel 12, the circular convex plate 14 is arranged in a circular groove formed in the top end of the movable lifting bearing seat 22, the circular convex plate 14 is fixed by two limiting plates 13, a notch is arranged in the middle of the installation frame 10, a pair of roller installation seats 15 is respectively arranged at the right end inside the notch and the top end of the installation frame 10, a front winding roller 16 is installed between the two, a limiting hand wheel 19 is arranged on each of the four roller mounting seats 15 after penetrating through the upper end of the roller mounting seat, a pair of bearing seats 7 is arranged at the left end inside the gap, a rear guide roller 17 is arranged between the bearing seats 7, two winding motors 21 are arranged on the outer side surface of one winding frame 6, one winding motor 21 is connected with one end of the front winding roller 16 through a gear, and the other winding motor 21 is connected with one end of the rear winding roller 18 through a gear.

Two unwinding rollers 5 and one cutting roller 11 may use an air shaft.

When the height of the cutting roller 11 is lowered to the lowest, the height of the lower end of the cutting blade 20 is lower than the height of the upper ends of the two parallel rollers 9, and the cutting roller 11 is provided with length scales.

The front guide roller 8 and the rear guide roller 17 are lower in height than the unwinding roller 5.

The working process is as follows:

the EVA film roll before cutting is placed on two unreeling rollers 5, the EVA film roll on the left side extends out, sequentially bypasses the lower end of a front guide roller 8, the upper ends of two parallel rollers 9 and the lower end of a rear guide roller 17, the position of each cutting blade 20 is adjusted according to requirements, then two lifting hand wheels 12 are operated, the cutting roller 11 is lowered to the lowest position, two reeling motors 21 are started, a front reeling roller 16 and a rear reeling roller 18 are adjusted to rotate, the EVA film is wound on a paper tube which is placed in front of the rear reeling roller 18 from the upper end of the rear reeling roller 18, the EVA film is wound on the paper tube which is placed in front of the front reeling roller 16 from the lower end of the front reeling roller 16, the reeling motors 21 are closed after reeling, the front reeling roller 16 and the rear reeling roller 18 can be taken down by loosening a limiting hand wheel 19, so that the cut EVA film roll extends out and is taken down, then a new paper tube is sleeved on the cut part, a rotating motor 2 rotates the other EVA film roll before cutting to the left, and performing the set of unreeling and reeling operations again.

In the description of the present invention, the terms "inside", "outside", "upper", "lower", "top", "bottom", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides a rewinding mechanism convenient to EVA film is tailor which characterized in that: comprises an unwinding device and a winding device, wherein the unwinding device comprises two unwinding seats (1), a rotating shaft (3) is arranged between the unwinding seats (1), the rotating shaft (3) is connected with the rotating shaft (3) arranged on the outer side of one of the unwinding seats (1), a rotating arm (4) is fixedly arranged on the rotating shaft (3), two unwinding rollers (5) are respectively arranged at two ends of the rotating arm (4), the winding device comprises two winding frames (6), a front guide roller (8), two parallel rollers (9), a cutting roller (11), a front winding roller (16), a rear guide roller (17) and a rear winding roller (18) are sequentially arranged on the two winding frames (6) from right to left, a pair of bearing seats (7) is arranged on the rightmost end of each winding frame (6), the front guide roller (8) is arranged between the two bearing seats (7), the two parallel rollers (9) are arranged between the two winding frames (6), the cutting roller (11) is positioned right above the middle of the two winding frames (6), the cutting roller (11) is provided with a plurality of cutting blades (20), the top end of each winding frame (6) is provided with a supporting mechanism of two parallel rollers (9), the supporting mechanism comprises a mounting frame (10), the mounting frame (10) is of a door-shaped structure, two guide rails are arranged inside the mounting frame (10), a movable lifting bearing seat (22) is arranged between the two guide rails, the cutting roller (11) is arranged between the two movable lifting bearing seats (22), a lifting hand wheel (12) is arranged at the top end of the mounting frame (10), a circular convex plate (14) is arranged at the bottom end of the lifting hand wheel (12), the circular convex plate (14) is arranged in a circular groove formed at the top end of the movable lifting bearing seat (22), the circular convex plate (14) is fixed by two limiting plates (13), a notch is arranged in the, the roller winding mechanism is characterized in that a pair of roller mounting seats (15) are respectively arranged at the right end inside the notch and the top end of the mounting frame (10), a front winding roller (16) is mounted between the two roller mounting seats (15) inside the notch, a rear winding roller (18) is mounted between the two roller mounting seats (15) on the top end of the mounting frame (10), a limiting hand wheel (19) is arranged on the four roller mounting seats (15) after penetrating through the upper end of the roller mounting seats, a pair of bearing seats (7) are arranged at the left end inside the notch, a rear guide roller (17) is mounted between the pair of bearing seats (7), two winding motors (21) are arranged on the outer side surface of one winding frame (6), one winding motor (21) is connected with one end of the front winding roller (16) through a gear, and the other winding motor (21) is.

2. The rewinding mechanism facilitating cutting of the EVA film as claimed in claim 1, wherein: the two unwinding rollers (5) and the cutting roller (11) are both air-expanding shafts.

3. The rewinding mechanism facilitating cutting of the EVA film as claimed in claim 1, wherein: when the height of the cutting roller (11) is reduced to the lowest, the height of the lower end of the cutting blade (20) is lower than the height of the upper ends of the two parallel rollers (9), and length scales are arranged on the cutting roller (11).

4. The rewinding mechanism facilitating cutting of the EVA film as claimed in claim 1, wherein: the height of the front guide roller (8) and the rear guide roller (17) is lower than that of the unwinding roller (5).