High-pressure vacuum adsorption roller

Abstract

The utility model discloses a high-pressure vacuum adsorption roller which is composed of a fixed part and a rotating part. The fixed part is composed of a left support, a right support, an inner roller and the like. The rotating part is composed of a rotating motor, a synchronous belt, a transmission shaft, an outer roller and the like. Compared with the prior art, the utility model has the beneficial effects that the adsorption force at different positions of the outer roller can be effectively adjusted by adjusting the angles of the adsorption holes of the inner roller and adjusting the adsorption direction of a base material, and the phenomena of wrinkles and mutual adhesion are avoided. The gap between the inner roller and the outer roller can be divided into a negative pressure area and a normal pressure area through the air blocking strip, vacuum negative pressure can be only generated at the fixed position even if the outer roller rotates, positioning adsorption is achieved, and negative pressure adsorption is more effectively conducted on a base material.

Description

Technical Field

[0001] The utility model relates to the technical field of adsorption rollers of dry-type composite machines, in particular to a high-pressure vacuum adsorption roller. Background Art

[0002] During the coating production of the dry laminating machine, after the substrate film is coated with glue in the coating part, the tension received during the transmission process will change more or less. Before the coating work of the dry laminating machine, the substrate film before the coating process is not coated with glue, and the pulling force and tension it receives are small. When the coating part of the dry laminating machine starts to work, the scraper starts to apply glue to the substrate film, and the pulling force it receives changes from small to large, the tension is unbalanced, and the substrate film is prone to loosening, folding, and sticking to each other. The unbalanced tension of the substrate will cause the thickness of the glue layer to be uneven during scraper coating, and there will be too much glue remaining in the oven, resulting in bad losses, and the quality of the product cannot be guaranteed. In order to effectively and stably control the tension of the substrate film, a high-pressure vacuum adsorption roller is often used. The high-pressure vacuum adsorption roller uses negative pressure to tightly adsorb the substrate on the outer drum, which increases the friction between the substrate film and the outer drum, avoids slipping between the substrate film and the outer drum, and prevents the tension of the substrate film from being unbalanced. The adsorption force on the substrate film should be moderate. Too much adsorption force may damage the substrate due to excessive pulling, and too little adsorption force may cause the substrate to slip on the vacuum adsorption roller. Utility Model Content

[0003] In view of the above-mentioned defects of the prior art, the utility model provides a high-pressure vacuum adsorption roller which can effectively control the adsorption force, so that after coating, the substrate film of the dry laminating machine will not be wrinkled or adhere to each other under the tension provided by the high-pressure vacuum adsorption roller.

[0004] The technical solution adopted by the utility model is: a high-pressure vacuum adsorption roller, comprising a fixed part and a rotating part: the fixed part comprises a left support (1), a right support (6), a right pressure cover (5), an adjustment block (7), a limit retaining ring (9) and an inner roller (11); the left support (1) and the right support (6) are fixed on the wall panel of the unit; the right support (6) is divided into an upper and a lower part connected by a screw (16); when working, the right support (6) clamps the inner roller (11) by means of the screw (16); the adjustment block (7) and the inner roller (11) are fixed by means of a top screw; the adjustment block (7) adjusts the direction by means of a bolt (17) below so as to drive the inner roller (11) to rotate, adjust the angle of the inner roller adsorption hole (101) of the inner roller (11), and thereby adjust the adsorption direction of the substrate on the surface of the outer roller.

[0005] The rotating part comprises a rotating motor (4), a motor pulley (3), a synchronous belt (2), a transmission shaft (15), a roller pulley (14), a bearing seat (13) and an outer drum (12); the rotating motor (4) is connected to the motor pulley (3); the motor pulley (3) is connected to the roller pulley (14) via the synchronous belt (2); the transmission shaft (15) is connected between the roller pulley (14) and the outer drum (12); the outer drum (12) is rotated by the rotating motor (4) via the motor pulley (3), the synchronous belt (2), the roller pulley (14) and the transmission shaft (15); and an outer drum adsorption hole (102) is provided on the surface of the outer drum (12) to form a vacuum adsorption surface.

[0006] Furthermore, the windshield strip (10) is fixed on the inner drum (11) and at the gap between the inner drum (11) and the outer drum (12). The windshield strip can be used to divide the gap between the inner drum (11) and the outer drum (12) into a negative pressure area and a normal pressure area, so that even when the outer drum (12) is rotating, vacuum negative pressure is only generated at a fixed position, thereby achieving positioning adsorption and more effectively performing negative pressure adsorption on the substrate.

[0007] The principle is that the high-pressure vacuum adsorption roller is fixed to the machine platform, and the rotating motor drives the transmission shaft and the outer roller to rotate through the synchronous belt. The high-pressure vortex fan creates negative pressure between the inner roller and the outer roller, so that the substrate is adsorbed onto the outer roller, generating tension and driving the substrate.

[0008] Compared with the prior art, the utility model has the following beneficial effects: by adjusting the angle of the adsorption hole of the inner drum and the adsorption direction of the substrate, the adsorption force of different positions of the outer drum can be effectively adjusted to avoid wrinkles and mutual adhesion. The windshield strip can be used to divide the gap between the inner drum and the outer drum into a negative pressure area and a normal pressure area, so that the outer drum can only generate vacuum negative pressure at a fixed position even when rotating, so as to achieve positioning adsorption and more effectively perform negative pressure adsorption on the substrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0010] Figure 1 This is a cross-sectional view of the overall structure.

[0011] Figure 2 This is the structural diagram of the right side of the vacuum roller.

[0012] Figure 3 This is the overall external structure diagram.

[0013] In the figure: 1 left support; 2 synchronous belt; 3 motor pulley; 4 rotating motor; 5 right pressure cover; 6 right support; 7 adjustment block; 8 high-pressure vortex fan; 9 limit retaining ring; 10 wind shield strip; 11 inner drum; 12 outer drum; 13 bearing seat; 14 roller pulley; 15 transmission shaft; 16 screw; 17 bolt; 101 inner drum adsorption hole; 102 outer drum adsorption hole. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] like Figure 1-3 As shown, a high-pressure vacuum adsorption roller comprises a fixed part and a rotating part: the fixed part comprises a left support 1, a right support 6, a right pressure cover 5, an adjustment block 7, a limit ring 9 and an inner roller 11, the left support 1 and the right support 6 are fixed on the unit wall panel, the right support 6 is divided into an upper and a lower part connected by a screw 16, when working, the right support 6 clamps the inner roller 11 by the screw 16, the adjustment block 7 and the inner roller 11 are fixed with a top screw, the adjustment block 7 adjusts the direction by the lower bolt 17 to drive the inner roller 11 to rotate, and adjusts the angle of the inner roller adsorption hole 101 of the inner roller 11. Since the inner roller adsorption holes 101 on the inner roller 11 are not evenly distributed on the circumference of the inner roller 11, rotating the inner roller 11 will change the angle of the inner roller adsorption hole 101, that is, the upper, lower, front and rear positions of the inner roller adsorption hole 101 on the inner roller 11 wall, thereby adjusting the adsorption direction of the substrate on the outer roller surface to avoid wrinkles in the substrate film.

[0016] The windshield strip 10 is fixed on the inner drum 11 and at the gap between the inner drum 11 and the outer drum 12; the windshield strip can be used to divide the gap between the inner drum 11 and the outer drum 12 into a negative pressure zone and a normal pressure zone (the part blocked by the windshield strip forms a normal pressure zone, and the rest is a negative pressure zone), so that the outer drum 12 can only generate vacuum negative pressure at a fixed position even when it is rotating, thereby realizing positioned adsorption and more effectively performing negative pressure adsorption on the substrate.

[0017] The rotating part includes a rotating motor 4, a motor pulley 3, a synchronous belt 2, a transmission shaft 15, a roller pulley 14, a bearing seat 13 and an outer drum 12. The rotating motor 4 is connected to the motor pulley 3, the motor pulley 3 is connected to the roller pulley 14 through the synchronous belt 2, and the transmission shaft 15 is connected between the roller pulley 14 and the outer drum 12. The outer drum 12 is rotated by the rotating motor 4 through the motor pulley 3, the synchronous belt 2, the roller pulley 14 and the transmission shaft 15, and an outer drum adsorption hole 102 is provided on the surface of the outer drum 12.

[0018] During operation, the adsorption force on the substrate film can be adjusted according to the rotation speed of the outer drum and the speed of the vacuum vortex blower 8, that is, according to the transmission speed of the substrate, which can effectively control the influence of the transmission speed change on the tension of the substrate film and always maintain the stability of the tension of the substrate film.

[0019] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-pressure vacuum adsorption roller, comprising a fixed part and a rotating part, characterized in that: The fixed part comprises a left support (1), a right support (6), a right pressure cover (5), an adjustment block (7), a limit ring (9) and an inner roller (11); the left support (1) and the right support (6) are fixed on the wall panel of the unit; the right support (6) is divided into an upper and a lower part connected by screws (16); when working, the right support (6) clamps the inner roller (11) by means of screws (16); the adjustment block (7) and the inner roller (11) are fixed by means of a top screw; when adjustment is required, the adjustment block (7) adjusts the direction by means of the lower bolt (17) to drive the inner roller (11) to rotate, adjusts the angle of the inner roller adsorption hole (101) of the inner roller (11), and thereby adjusts the adsorption direction of the substrate on the surface of the outer roller; The rotating part comprises a rotating motor (4), a motor pulley (3), a synchronous belt (2), a transmission shaft (15), a roller pulley (14), a bearing seat (13) and an outer drum (12); the rotating motor (4) is connected to the motor pulley (3); the motor pulley (3) is connected to the roller pulley (14) via the synchronous belt (2); the transmission shaft (15) is connected between the roller pulley (14) and the outer drum (12); the outer drum (12) is rotated by the rotating motor (4) via the motor pulley (3), the synchronous belt (2), the roller pulley (14) and the transmission shaft (15); and an outer drum adsorption hole (102) is provided on the surface of the outer drum (12).

2. The high pressure vacuum adsorption roller according to claim 1, characterized in that: The windshield strip (10) is fixed on the inner drum (11) and at the gap between the inner drum (11) and the outer drum (12).

Images