CN210558276U

CN210558276U - EVA film winding mechanism

Info

Publication number: CN210558276U
Application number: CN201921412694.4U
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: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-19
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to a EVA film winding mechanism belongs to film production and processing technical field, including two rolling seats, install the main shaft between two rolling seats, one of main shaft serves fixed mounting has a rotor arm, install two wind-up rolls on the rotor arm, every wind-up roll links to each other with two rolling motors that set up on the rotor arm respectively, still include linking bridge, linking bridge's front end is connected with preceding upset frame through two connecting plate articulations, be equipped with preceding upset roller on preceding upset frame's the front end, linking bridge's rear end is connected with back upset frame through two connecting plate articulations, be equipped with a guide roll and two back upset rollers in the back upset frame, the guide roll is located the front end of back upset roller, be connected with the cutting roll-over frame through two connecting plate articulations on the rear end of back upset frame, the rear end of cutting roll-over frame is equipped with the cutting knife. The utility model discloses cutting, rolling quality are all very high, also need not the manual work and twine when the roll change, have reduced intensity of labour, have guaranteed production efficiency.

Description

EVA film winding mechanism

Technical Field

The utility model relates to a EVA film winding mechanism 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 EVA film production process, the rolling is the last process, wherein the rolling machine is used most often, and the loose condition often exists when the EVA film gets into in traditional rolling machine, is unfavorable for subsequent cutting and rolling. The double-station winding machine comprises two groups of winding shafts and a driving mechanism capable of controlling the two groups of winding shafts to turn around the symmetrical shafts of the two groups of winding shafts. Although the double-station winding machine can simultaneously wind the adhesive film which is divided into two halves, the cutting process is not smooth enough, the incision quality is difficult to ensure, the front end of a new film needs to be wound on a winding roller manually during roll changing, the labor intensity is high, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve and exist not enoughly among the prior art, provide a cutting, rolling quality EVA film winding mechanism all very high, reduced intensity of labour, guaranteed production efficiency.

The utility model discloses a realize through following technical scheme:

namely an EVA film winding mechanism, which comprises two rotating seats, a main shaft is arranged between the two rotating seats, the main shaft is connected with a rotating motor arranged on one of the rotating seats, one end of the main shaft is fixedly provided with a rotating arm, the rotating arm is provided with two winding rollers, each winding roller is respectively connected with two winding motors arranged on the rotating arm, the EVA film winding mechanism also comprises a connecting bracket, the front end of the connecting bracket is hinged and connected with a front overturning frame through two connecting plates, the front end of the front overturning frame is provided with a front overturning roller, two front overturning cylinders are hinged between a supporting leg at the front end of the connecting bracket and the bottom end of the front overturning frame, the rear end of the connecting bracket is hinged and connected with a rear overturning frame through two connecting plates, a rear overturning cylinder is connected between the supporting leg at the rear end of the connecting bracket and the bottom end of the rear overturning frame, a guide roller and two rear overturning rollers are arranged in the rear overturning, the guide roll is located the front end of back trip roller, and articulated being connected with the cutting roll-over stand through two connecting plates on the rear end of back roll-over stand, back roll-over stand rear end lower extreme is equipped with the mounting bracket, is equipped with cutting upset cylinder between mounting bracket lower part and the cutting roll-over stand bottom, and the rear end of cutting roll-over stand is equipped with the knife rest, and fixed mounting has the cutting knife on the knife rest.

The utility model discloses a two wind-up rolls realize the continuity of rolling process, and roll-over stand around being equipped with, guarantee the tightness that rises of EVA film constantly, cutting, rolling quality are all very high, also need not the manual work and twine when the roll change, have reduced intensity of labour, have guaranteed production efficiency.

Further preferably, the winding roller is an inflatable roller, so that the EVA film wound on the winding roller can be taken off conveniently.

Further preferably, the height of the guide roller is lower than the height of the front and two rear convertible rollers.

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.

In the figure: 1. connecting a bracket; 2. a rear overturning frame; 3. a rear roll-over cylinder; 4. a guide roller; 5. a rear reversing roller; 6. a connecting plate; 7. a front roll-over stand; 8. a front overturning roller; 9. a front roll-over cylinder; 10. cutting the roll-over stand; 11. a tool holder; 12. a cutting knife; 13. a mounting frame; 14. cutting and turning over the air cylinder; 15. a rotating seat; 16. rotating the motor; 17. a main shaft; 18. a rotating arm; 19. A winding motor; 20. and (7) winding the roller.

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 and 2, the EVA film winding mechanism includes two rotating seats 15, a main shaft 17 is installed between the two rotating seats 15, the main shaft 17 is connected with a rotating motor 16 installed on one of the rotating seats 15, one end of the main shaft 17 is fixedly installed with a rotating arm 18, two winding rollers 20 are installed on the rotating arm 18, the winding rollers 20 are inflatable rollers, each winding roller 20 is respectively connected with two winding motors 19 arranged on the rotating arm 18, the EVA film winding mechanism further includes a connecting bracket 1, the front end of the connecting bracket 1 is hinged with a front turning frame 7 through two connecting plates 6, the front end of the front turning frame 7 is provided with a front turning roller 8, two front turning cylinders 9 are hinged between the support leg at the front end of the connecting bracket 1 and the bottom end of the front turning frame 7, the rear end of the connecting bracket 1 is hinged with a rear turning frame 2 through two connecting plates 6, a rear turning cylinder 3 is connected between the support leg at the rear end of the connecting bracket 1 and the bottom end of the rear turning frame 2, be equipped with a guide roll 4 and two back upset rollers 5 in the back roll-over stand 2, guide roll 4 is located the front end of back upset roller 5, is connected with cutting roll-over stand 10 through two connecting plates 6 are articulated on the rear end of back roll-over

stand

2, and 2 rear end lower extremes of back roll-over stand are equipped with mounting bracket 13, are equipped with cutting upset cylinder 14 between mounting bracket 13 lower part and the cutting roll-over stand 10 bottom, and the rear end of cutting roll-over stand 10 is equipped with knife rest 11, and fixed mounting has cutting knife 12 on the knife rest 11.

The height of the guide roller 4 is lower than the height of the front and two

rear convertible rollers

8 and 5.

The working process is as follows:

the EVA film from the previous process firstly bypasses the upper end of a front overturning roller 8, then passes through the lower ends of a guide roller 4 and the upper ends of two rear overturning rollers 5, then penetrates out of the lower ends of the two winding rollers 20, finally is wound on the winding roller 20 close to the right side, the EVA film is taken down from the winding roller 20 after the winding is finished, a rear overturning cylinder 3 extends out of an upward overturning rear overturning frame 2 to further tension the EVA film, then a cutting overturning cylinder 14 extends out of an overturning cutting overturning frame 10, a cutting knife 12 cuts the EVA film, the cutting rear overturning frame 2 and the cutting overturning frame 10 reset, meanwhile, the left winding roller 20 rotates to wind the end part of the new EVA film, then a motor 16 is rotated to drive the two winding rollers 20 to overturn, the positions of the two winding rollers 20 are exchanged, the action process is repeated after the winding is finished, and the two winding rollers 20 alternately wind.

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 EVA film winding mechanism which characterized in that: comprises two rotating seats (15), a main shaft (17) is arranged between the two rotating seats (15), the main shaft (17) is connected with a rotating motor (16) arranged on one rotating seat (15), one end of the main shaft (17) is fixedly provided with a rotating arm (18), the rotating arm (18) is provided with two winding rollers (20), each winding roller (20) is respectively connected with two winding motors (19) arranged on the rotating arm (18), the winding device also comprises a connecting bracket (1), the front end of the connecting bracket (1) is hinged and connected with a front overturning frame (7) through two connecting plates (6), the front end of the front overturning frame (7) is provided with a front overturning roller (8), two front overturning cylinders (9) are hinged and connected between the support legs at the front end of the connecting bracket (1) and the bottom end of the front overturning frame (7), the rear end of the connecting bracket (1) is hinged and connected with a rear overturning frame (2) through two connecting plates (6), the rear overturning device is characterized in that a rear overturning cylinder (3) is connected between a supporting leg at the rear end of a connecting support (1) and the bottom end of a rear overturning frame (2), a guide roller (4) and two rear overturning rollers (5) are arranged in the rear overturning frame (2), the guide roller (4) is located at the front end of the rear overturning roller (5), a cutting overturning frame (10) is connected to the rear end of the rear overturning frame (2) in a hinged mode through two connecting plates (6), a mounting frame (13) is arranged at the lower end of the rear overturning frame (2), a cutting overturning cylinder (14) is arranged between the lower portion of the mounting frame (13) and the bottom end of the cutting overturning frame (10), a tool rest (11) is arranged at the rear end of the cutting overturning frame (10), and a cutting knife (12) is fixedly mounted on the.

2. The EVA film winding mechanism of claim 1, wherein: the winding roller (20) adopts an inflatable roller.

3. The EVA film winding mechanism of claim 1 or 2, wherein: the height of the guide roller (4) is lower than the height of the front overturning roller (8) and the height of the two rear overturning rollers (5).