CN218459965U

CN218459965U - Gravure forward and reverse coating mechanism

Info

Publication number: CN218459965U
Application number: CN202222708999.8U
Authority: CN
Inventors: 徐荷文
Original assignee: Foshan Pocation Machinery Co ltd
Current assignee: Foshan Pocation Machinery Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-02-10
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a gravure positive and negative coating mechanism, which comprises a support plate, a gravure roller, a fixed plate and a compression roller; the fixing plate slides on the front side of the support plate, a motor is fixed on the lower side in front of the support plate, and a gravure roller is fixed on the output end of the motor; further comprising: the bearing is connected to the front side of the fixing plate, and the pressing roller and the fixing plate are positioned above the gravure roller; the mounting plate is clamped at the front upper left corner of the support plate in a sliding manner; the left scraper frame and the right scraper frame are respectively fixed at the lower left corner and the lower right corner of the support plate; and the left adjusting steel rod and the right adjusting steel rod respectively slide on the left side and the right side of the fixing plate. The gravure positive and negative coating mechanism can increase the sizing amount when the rotation of the gravure roller is the same as the movement of coating, can reduce the sizing amount when the rotation of the gravure roller is opposite to the movement of coating, and can control the sizing amount through the compression roller, the left adjusting steel rod and the right adjusting steel rod.

Description

Gravure forward and reverse coating mechanism

Technical Field

The utility model relates to a positive contrary coating technical field of intaglio specifically is a positive contrary coating mechanism of intaglio.

Background

At present, various coating modes are available on the market, and the realization methods are various, such as direct gravure coating, reverse coating, extrusion coating and the like; the coating roll of the partial gravure coating is an anilox roll, the coated substrate is pressed on the coating roll, the rotation direction of the coating roll is consistent with the feeding direction of the coated substrate, and the rotation direction of part of the coating roll is opposite to the feeding direction of the coated substrate;

at present, the rotating direction of a coating roller on a gravure coating mechanism in the market is fixed with the feeding direction of a coated substrate, so that the sizing amount of one gravure coating mechanism is fixed, different coatings may need different sizing amounts, and therefore, the coating is generally realized by selecting different gravure coating mechanisms, and the sizing amount of the gravure coating mechanisms is not easy to control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positive and negative coating mechanism of intaglio to the rubberizing volume of gravure coating mechanism is difficult to the problem of adjusting on solving the existing market that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gravure forward-reverse coating mechanism comprises a support plate, a gravure roller, a fixing plate and a press roller;

the fixing plate slides on the front side of the support plate, a motor is fixed on the lower side in front of the support plate, and a gravure roller is fixed on the output end of the motor;

further comprising:

the bearing is connected to the front side of the fixing plate, and the pressing roller and the fixing plate are positioned above the gravure roller;

the mounting plate is clamped at the front upper left corner of the support plate in a sliding manner;

the left scraper frame and the right scraper frame are respectively fixed at the lower left corner and the lower right corner of the support plate;

and the left adjusting steel rod and the right adjusting steel rod respectively slide on the left side and the right side of the fixing plate.

Preferably, the front side top of extension board is fixed with the right cylinder, and the lower extreme of right cylinder is fixed with the fixed plate to the front side upper left side of extension board is fixed with the left cylinder, and the lower extreme of left cylinder is fixed with the mounting panel in addition, makes the position of first adjustment aluminium deflector roll and compression roller adjust respectively through the setting of left cylinder and right cylinder.

Preferably, the front side bearing of mounting panel is connected with first adjustment aluminium deflector roll, the place ahead left side bearing of extension board is connected with floating roller and transition aluminium deflector roll, and floating roller is located the left side of transition aluminium deflector roll, can wipe unnecessary glue through setting up of floating roller.

Preferably, a collecting frame is fixed below the front of the support plate, the collecting frame is positioned outside the lower part of the gravure roller, a second adjusting aluminum guide roller and a third adjusting aluminum guide roller slide on the right end of the support plate, and the second adjusting aluminum guide roller is positioned below the third adjusting aluminum guide roller to change the coating track.

Preferably, a spray head is fixed on the right side of the lower end of the fixing plate, glue is filled in the fixing plate, coating is attached to the outer side of the third adjusting aluminum guide roller and the outer side of the collecting frame, and then glue is arranged at the contact position of the gravure roller and the coating.

Preferably, the shortest distance from the gravure roller to the support plate is greater than the thickness of the fixing plate, and the compression roller can be attached to the gravure roller, so that the fixing plate is prevented from being clamped.

Preferably, the gravure roller can rotate in the positive and negative directions, the diameter of the gravure roller is smaller than the width of the collecting frame, and the glue coated on the gravure roller is controlled.

Compared with the prior art, the beneficial effects of the utility model are that: this gravure just contrary coating mechanism, when the removal through the rotation of gravure roller is the same with the coating, can make the rubberizing volume grow, when the removal through the rotation of gravure roller and coating is opposite, can make the rubberizing volume diminish, just can control the rubberizing volume through compression roller, left side adjustment steel rod and right side adjustment steel rod, makes the function of coating mechanism unite two into one, and is simple reliable, and concrete content is as follows:

1. the rotating direction of the gravure roller is changed, so that the gluing amount of the contact position of the compression roller and the coating is changed, the coating mechanism meets the process of over-small gluing amount and the process of over-large gluing amount, the function of the coating mechanism is added, and the gluing amount is convenient to adjust;

2. the position of the compression roller is adjusted through the fixing plate, the compression roller can be tangent to the gravure roller, and the left adjusting steel rod and the right adjusting steel rod move downwards to enable the coating and the gravure roller to form a wrap angle.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic diagram of the structure of the gravure roller rotating counterclockwise according to the present invention;

fig. 3 is a schematic diagram of the clockwise rotation structure of the gravure roller of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a gravure roller; 2. a compression roller; 3. a first adjusting aluminum guide roller; 4. a smoothing roller; 5. a transition aluminum guide roller; 6. adjusting the steel rod on the left; 7. adjusting the steel rod on the right; 8. a second adjusting aluminum guide roller; 9. a third adjusting aluminum guide roller; 10. a left cylinder; 11. a right cylinder; 12. a left doctor holder; 13. a right scraper holder; 14. a support plate; 15. a fixing plate; 16. a collection frame; 17. a spray head; 18. and (7) mounting the 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. 1-5, the present invention provides a gravure forward and reverse coating mechanism, which includes a support plate 14, a gravure roller 1, a fixing plate 15 and a press roller 2; the fixing plate 15 slides on the front side of the support plate 14, a motor is fixed on the front lower side of the support plate 14, and the gravure roller 1 is fixed on the output end of the motor; further comprising: the pressing roller 2 is connected to the front side of the fixing plate 15 through a bearing, and the pressing roller 2 and the fixing plate 15 are positioned above the gravure roller 1; a mounting plate 18 slidably engaged with the front upper left corner of the stay 14; the left scraper frame 12 and the right scraper frame 13 are respectively fixed at the lower left corner and the lower right corner of the support plate 14; a right cylinder 11 is fixed above the front side of the support plate 14, a fixing plate 15 is fixed at the lower end of the right cylinder 11, a left cylinder 10 is fixed above the front side of the support plate 14, and a mounting plate 18 is fixed at the lower end of the left cylinder 10; the front side bearing of the mounting plate 18 is connected with a first adjusting aluminum guide roller 3, the front left side bearing of the support plate 14 is connected with a leveling roller 4 and a transition aluminum guide roller 5, and the leveling roller 4 is positioned on the left side of the transition aluminum guide roller 5; a collecting frame 16 is fixed at the front lower part of the support plate 14, the collecting frame 16 is positioned at the lower outer side of the gravure roller 1, a second adjusting aluminum guide roller 8 and a third adjusting aluminum guide roller 9 are slid at the right end of the support plate 14, and the second adjusting aluminum guide roller 8 is positioned below the third adjusting aluminum guide roller 9;

as shown in fig. 1-3 and fig. 5, when the glue application amount needs to be adjusted, and when a large glue application amount is needed, a positive coating mode is adopted, a power supply of a motor is switched on, the motor enables the gravure roll 1 to rotate anticlockwise, a left cylinder 10 operates to enable a mounting plate 18 to move upwards, the mounting plate 18 moves upwards to drive a first adjusting aluminum guide roll 3 to move upwards synchronously, a cutter on a right scraper frame 13 extends to contact with the outer surface of the right side of the gravure roll 1, a right cylinder 11 operates to enable a fixing plate 15 to move downwards, the fixing plate 15 drives a compression roll 2 to move downwards synchronously until the compression roll 2 is pressed to be tangent to the upper surface of the gravure roll 1 slowly, the positions of the first adjusting aluminum guide roll 3, a second adjusting aluminum guide roll 8 and a third adjusting aluminum guide roll 9 are adjusted to achieve the best coating effect, at the coating direction is consistent with the rotation direction of the gravure roll 1, and the right scraper frame 13 scrapes the glue adhered to the gravure roll 1, so that the redundant glue falls into a collection frame 16;

the left adjusting steel rod 6 and the right adjusting steel rod 7 slide on the left side and the right side of the fixing plate 15 respectively; a spray head 17 is fixed on the right side of the lower end of the fixed plate 15, glue is filled in the fixed plate 15, and coating is attached to the outer side of the third adjusting aluminum guide roller 9 and the outer side of the collecting frame 16; the shortest distance from the gravure roller 1 to the support plate 14 is greater than the thickness of the fixing plate 15, and the compression roller 2 can be attached to the gravure roller 1; the gravure roller 1 can rotate in the positive and negative directions, and the diameter of the gravure roller 1 is smaller than the width of the collecting frame 16;

as shown in fig. 1-5, when the glue application amount needs to be adjusted, and when a smaller glue application amount is needed, a reverse coating mode is adopted, a power supply of a motor is switched on, the motor enables the gravure roll 1 to rotate clockwise, a left cylinder 10 operates to enable a mounting plate 18 to move downwards, the mounting plate 18 moves downwards to drive a first adjusting aluminum guide roll 3 to move downwards synchronously, a cutter on a left scraper frame 12 extends to contact with the outer surface of the right side of the gravure roll 1, a right cylinder 11 operates to enable a fixing plate 15 to move upwards, the fixing plate 15 drives a compression roll 2 to move upwards synchronously, the positions of a left adjusting steel roll 6 and a right adjusting steel roll 7 are adjusted to be pressed downwards, the positions of the left adjusting steel roll 6 and the right adjusting steel roll 7 are changed through an electric rod above the left adjusting steel roll 6 and the right adjusting steel roll 7, so that a wrap angle is formed between the coating and the gravure roll 1, the coating glue is in contact with a floating roll 4 after the glue application, the excess glue is wiped, and the wrap angle between the coating and the floating roll 4 is adjusted through the first adjusting aluminum roll 3, so that the coating effect is optimal; at this time, the coating direction is opposite to the rotation direction of the gravure roll 1, and the left doctor frame 12 scrapes the glue adhered to the gravure roll 1, so that the excess glue falls into the collection frame 16.

The working principle is as follows: when the gravure forward and reverse coating mechanism is used, as shown in fig. 1-5, the coating track can be changed by the arrangement of the first adjusting aluminum guide roller 3, the left adjusting steel roller 6, the right adjusting steel roller 7, the second adjusting aluminum guide roller 8 and the third adjusting aluminum guide roller 9, and the coating amount on the coating is controlled by the rotation direction of the gravure roller 1, so that the coating effect is optimized, and the coating is convenient to adjust according to the requirement of the coating amount.

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. A gravure positive and negative coating mechanism comprises a support plate (14), a gravure roller (1), a fixing plate (15) and a compression roller (2);

the fixing plate (15) slides on the front side of the support plate (14), a motor is fixed on the lower front side of the support plate (14), and a gravure roller (1) is fixed on the output end of the motor;

it is characterized by also comprising:

the pressing roller (2) is connected to the front side of the fixing plate (15) through a bearing, and the pressing roller (2) and the fixing plate (15) are located above the gravure roller (1);

the mounting plate (18) is clamped at the front upper left corner of the support plate (14) in a sliding way;

the left scraper frame (12) and the right scraper frame (13) are respectively fixed at the lower left corner and the lower right corner of the support plate (14);

and the left adjusting steel rod (6) and the right adjusting steel rod (7) slide on the left side and the right side of the fixing plate (15) respectively.

2. The gravure forward-reverse coating mechanism according to claim 1, wherein: a right cylinder (11) is fixed above the front side of the support plate (14), a fixing plate (15) is fixed at the lower end of the right cylinder (11), a left cylinder (10) is fixed above the front side of the support plate (14), and a mounting plate (18) is fixed at the lower end of the left cylinder (10).

3. The gravure forward-reverse coating mechanism according to claim 1, wherein: the front side bearing of mounting panel (18) is connected with first adjustment aluminium deflector roll (3), the place ahead left side bearing of extension board (14) is connected with floating roller (4) and transition aluminium deflector roll (5), and floating roller (4) are located the left side of transition aluminium deflector roll (5).

4. The gravure forward-reverse coating mechanism according to claim 1, wherein: a collecting frame (16) is fixed below the front of the support plate (14), the collecting frame (16) is positioned on the outer side below the gravure roller (1), a second adjusting aluminum guide roller (8) and a third adjusting aluminum guide roller (9) slide on the right end of the support plate (14), and the second adjusting aluminum guide roller (8) is positioned below the third adjusting aluminum guide roller (9).

5. The gravure forward-reverse coating mechanism according to claim 4, wherein: the lower extreme right side of fixed plate (15) is fixed with shower nozzle (17), and the inside of fixed plate (15) is filled with glue, the outside laminating of the outside of third adjustment aluminium deflector roll (9) and collection frame (16) has the coating.

6. The gravure forward-reverse coating mechanism according to claim 1, wherein: the shortest distance from the gravure roller (1) to the support plate (14) is greater than the thickness of the fixing plate (15), and the compression roller (2) can be attached to the gravure roller (1).

7. The gravure forward-reverse coating mechanism according to claim 1, wherein: the gravure roller (1) can rotate in the positive and negative directions, and the diameter of the gravure roller (1) is smaller than the width of the collecting frame (16).