CN217569398U

CN217569398U - UV coating device

Info

Publication number: CN217569398U
Application number: CN202220107777.8U
Authority: CN
Inventors: 邓俊峰
Original assignee: Shaoguan Herong Chemical Co ltd
Current assignee: Shaoguan Herong Chemical Co ltd
Priority date: 2022-01-16
Filing date: 2022-01-16
Publication date: 2022-10-14
Anticipated expiration: 2032-01-16

Abstract

The utility model discloses a UV coating device, which comprises a frame, a coating roller arranged on the frame, a bearing roller positioned below the coating roller, a material feeding roller tangent to the coating roller, a coating groove positioned below the material feeding roller, a coating conveying assembly used for feeding coating into the coating groove, a liquid level sensor arranged inside the coating groove and a lifting assembly used for driving the bearing roller to ascend or descend; the coating roller can rotate to coat materials from the coating groove, can uniformly transfer the coatings to the coating roller through the coating roller, can uniformly coat the coatings on a to-be-coated object, can drive the bearing roller to lift through the lifting assembly, and can adjust the gap between the coating roller and the bearing roller, so that the coating roller and the bearing roller can apply appropriate pressure on the to-be-coated object, the coating uniformity of the coatings is ensured, and the coating quality is good.

Description

UV coating device

Technical Field

The utility model relates to a coating processing technology field, concretely relates to UV coating unit.

Background

The photocureable coating is an environment-friendly green coating without solvent, and is rapidly developed at home and abroad no matter theoretical research or actual application; the ultraviolet curing paint (UV paint) is mainly composed of an optical active oligomer, an optical active monomer, a photoinitiator and various auxiliary agents required by optical curing, including a defoaming agent, a leveling agent, a mildew preventive and the like, and the energy of ultraviolet light is utilized to initiate polymerization and crosslinking between a low-molecular prepolymer or oligomer and the active monomer in the paint to obtain a cured paint film.

In the prior art, a coating device of a coating machine sprays coating to passing cloth or paper by using a row of spray heads arranged in parallel, and the structural defect is that gaps are reserved among the spray heads arranged in parallel, so that the coating density of the surface of the paper at the center of the spray heads is high, the coating at the periphery is low, the spraying is not particularly uniform, if too many spray heads are installed, the spray heads are blocked and damaged, the maintenance is troublesome, and the coating quality of the cloth or the paper is affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a coating device is scribbled evenly, is scribbled with high quality's UV coating.

In order to solve the technical problem, the technical scheme of the utility model is that: a UV coating device comprises a rack, a coating roller arranged on the rack, a pressure bearing roller positioned below the coating roller, a coating roller arranged on the rack and tangent to the coating roller, a coating tank arranged on the rack and positioned below the coating roller, a coating conveying assembly used for conveying a coating into the coating tank, a liquid level sensor arranged inside the coating tank and used for detecting the liquid level inside the coating tank, and a lifting assembly arranged below the pressure bearing roller and used for driving the pressure bearing roller to ascend or descend, wherein the lower end of the coating roller is positioned below the liquid level of the coating tank, and the liquid level sensor is electrically connected with a PLC controller; when the material-sticking roller rotates, the coating in the coating groove can be stained on the material-sticking roller, so that the rotating coating of the material-sticking roller is realized, the coating is uniformly transferred to the coating roller by the material-sticking roller, and the coating roller can uniformly coat the UV coating on the object to be coated; through level sensor and coating conveying component's synergism, can also detect and supply coating to the coating liquid level of coating groove to can avoid the coating in coating groove too much, the coating spills over from the coating groove, can avoid the coating in coating groove too little again, and the material roller can not rotate the material from the coating groove.

Preferably, a stirring paddle is fixedly installed in the coating tank, one end of the stirring paddle penetrates through the coating tank and the rack in sequence and is fixedly connected with a stirring motor, and the stirring paddle and the stirring motor can ensure that the coating in the coating tank always keeps a flowing state, so that the UV coating in the coating tank is prevented from caking.

Preferably, the paint conveying assembly comprises a paint storage tank, a paint pump which is communicated and fixed with the paint storage tank, and a material conveying pipe which is communicated and fixed with the paint pump, wherein one end of the material conveying pipe, which is far away from the paint pump, is positioned inside the paint tank.

Preferably, the bearing at two ends of the pressure bearing roller is connected with a mounting rod, and the pressure bearing roller is fixedly mounted at the top of the lifting assembly through the mounting rod.

Preferably, the lifting assembly comprises a mounting plate for fixedly mounting the pressure-bearing roller and a servo cylinder arranged at the bottom of the mounting plate and used for driving the mounting plate to ascend or descend.

Preferably, a first driving motor for driving the paint roller to rotate is fixedly mounted on the back surface of the frame.

Preferably, a second driving motor for driving the feeding roller to rotate is fixedly mounted on the back of the frame.

Preferably, the diameter of the coating roller is larger than that of the material feeding roller, and the centers of the coating roller and the material feeding roller are located at the same height.

Preferably, the liquid level sensor, the first driving motor, the second driving motor, the stirring motor, the coating pump and the servo cylinder are all electrically connected with the PLC.

The utility model discloses technical effect mainly embodies: rotate the material from the coating groove through the material roller to can be through the material roller evenly transmitting coating for the coating roller, make the coating roller evenly paint coating to waiting to scribble on the thing, and can also drive the backing roll through lifting unit and go up and down, adjust the clearance between coating roller and the backing roll, thereby can make coating roller and backing roll homoenergetic to waiting to scribble the thing and apply suitable pressure, guarantee that the coating of coating is even, coating is of high quality.

Drawings

Fig. 1 is a schematic structural view of a UV coating material coating apparatus of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 at A;

FIG. 3 is a rear view of FIG. 1;

fig. 4 is a left side view of fig. 1.

Reference numerals: the automatic coating machine comprises a frame 1, a coating roller 2, a pressure bearing roller 3, a feeding roller 4, a coating tank 5, a coating conveying assembly 6, a liquid level sensor 7, a lifting assembly 8, a first driving motor 11, a second driving motor 12, a mounting rod 31, a stirring paddle 51, a stirring motor 52, a coating storage tank 61, a coating pump 62, a conveying pipeline 63, a mounting plate 81 and a servo cylinder 82.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, the detailed description thereof is omitted in this embodiment.

A UV paint coating device is shown in figures 1-3 and comprises a machine frame 1, a paint roller 2 arranged on the machine frame 1, a pressure roller 3 positioned below the paint roller 2, a material feeding roller 4 arranged on the machine frame 1 and tangent to the paint roller 2, a paint groove 5 arranged on the machine frame 1 and positioned below the material feeding roller 4, a paint conveying assembly 6 used for conveying paint into the paint groove 5, a liquid level sensor 7 arranged inside the paint groove 5 and used for detecting the internal liquid level of the paint groove 5, and a lifting assembly 8 arranged below the pressure roller 2 and used for driving the pressure roller 2 to ascend or descend.

The lower end of the material feeding roller 4 is positioned below the liquid level of the coating material tank 5. The diameter of the coating roller 2 is larger than that of the feeding roller 4, and the centers of the coating roller 2 and the feeding roller 4 are positioned at the same height. The liquid level sensor 7 is electrically connected with a PLC controller. When the material-fixing roller 4 rotates, the paint inside the paint tank 5 can be stained on the material-fixing roller 4, so that the rotating material-fixing roller 4 can fix the paint, the material-fixing roller 4 can uniformly transfer the paint to the paint roller 5, and the paint roller 5 can uniformly paint the UV paint on the object to be painted. Through the cooperation of the liquid level sensor 7 and the coating conveying assembly 6, the coating liquid level of the coating tank 5 can be detected and the coating can be supplemented, so that the excessive coating of the coating tank 5 and the overflow of the coating from the coating tank 5 can be avoided, the too little coating of the coating tank 5 and the rotation of the material feeding roller 4 from the coating tank 5 can also be avoided.

A first driving motor 11 for driving the coating roller 2 to rotate is fixedly installed on the back surface of the frame 1. And a second driving motor 12 for driving the feeding roller 4 to rotate is fixedly arranged on the back of the rack 1. A stirring paddle 51 is fixedly arranged in the coating tank 5, and one end of the stirring paddle 51 sequentially penetrates through the coating tank 5 and the rack 1 and is fixedly connected with a stirring motor 52. The stirring paddle 51 and the stirring motor 52 ensure that the paint in the paint tank 5 is always kept in a flowing state, thereby preventing the UV paint in the paint tank 5 from being caked.

As shown in fig. 4, the bearing at both ends of the pressure roller 3 is connected with a mounting rod 31, and the pressure roller 3 is fixedly mounted on the top of the lifting assembly 8 through the mounting rod 31. The paint conveying assembly 6 comprises a paint storage tank 61, a paint pump 62 communicated and fixed with the paint storage tank 61, and a material conveying pipe 63 communicated and fixed with the paint pump 62, wherein one end of the material conveying pipe 63 far away from the paint pump 62 is positioned inside the paint tank 5. When the liquid level sensor 7 detects that the liquid level of the coating in the coating tank 5 is lower than the lower limit value, the PLC controller turns on the coating pump 62, the coating in the storage tank 61 is conveyed to the coating tank 5 through the conveying pipe 63, when the liquid level sensor 7 detects that the liquid level of the coating in the coating tank 5 is higher than the upper limit value, the PLC controller turns off the coating pump 62, the coating in the storage tank 61 cannot flow to the coating tank 5 through the conveying pipe 63, and the lower limit value and the upper limit value are both located between the lowest point of the material feeding roller 4 and the highest point of the coating tank 5.

The lifting assembly 8 comprises a mounting plate 81 for fixedly mounting the pressure-bearing roller 3 and a servo cylinder 82 which is arranged at the bottom of the mounting plate 81 and is used for driving the mounting plate 81 to ascend or descend.

In this embodiment, the liquid level sensor 7, the first driving motor 11, the second driving motor 12, the stirring motor 52, the paint pump 62 and the servo cylinder 82 are all electrically connected to a PLC controller.

In this embodiment, the object to be coated is cloth or paper.

In this embodiment, the liquid level sensor 7 is a liquid level sensor of model WKC1204 capable of detecting high-viscosity liquid, the first driving motor 11 and the second driving motor 12 are three-phase asynchronous motors of models 90L-8, the stirring motor 52 is a rotating motor of model 60KYTZ, the paint pump 62 is a high-viscosity gear pump of models MB1-C, and the servo cylinder 82 is an electro-hydraulic proportional servo hydraulic cylinder of model SMET.

The working principle is as follows: the method comprises the steps of enabling an object to be coated to penetrate through a coating roller 2 and a pressure bearing roller 3, opening a servo cylinder 82 through a PLC, driving the pressure bearing roller 3 to ascend or descend through the servo cylinder 82 and a mounting plate 81, adjusting a gap between the coating roller 2 and the pressure bearing roller 3 according to the thickness of the object to be coated, enabling the coating roller 2 and the pressure bearing roller 3 to apply appropriate pressure to the object to be coated, opening a first driving motor 11 and a second driving motor 12, enabling the first driving motor 11 to drive the coating roller 2 to rotate, enabling the coating roller 2 to drive the pressure bearing roller 3 to synchronously rotate through the pressure between the coating roller 2 and the pressure bearing roller 3, and enabling the coating roller 2 to uniformly coat UV coating on the surface of the object to be coated.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A UV paint coating device comprises a machine frame, a paint roller arranged on the machine frame, and a pressure bearing roller positioned below the paint roller, and is characterized in that: the coating machine is characterized by further comprising a material feeding roller, a coating tank, a coating conveying assembly, a liquid level sensor, a lifting assembly and a material feeding roller, wherein the material feeding roller is arranged on the rack and is tangent to the coating roller, the coating tank is arranged on the rack and is positioned below the material feeding roller, the coating conveying assembly is used for conveying coating into the coating tank, the liquid level sensor is arranged inside the coating tank, the lifting assembly is arranged below the pressure bearing roller and is used for driving the pressure bearing roller to ascend or descend, and the lower end of the material feeding roller is positioned below the liquid level of the coating tank.

2. A UV paint coating apparatus as claimed in claim 1, wherein: the coating tank is internally and fixedly provided with a stirring paddle, and one end of the stirring paddle sequentially penetrates through the coating tank and the rack fixedly connected with stirring motor.

3. A UV paint coating apparatus as claimed in claim 1, wherein: the coating conveying assembly comprises a coating storage tank, a coating pump and a conveying pipeline, wherein the coating pump is communicated and fixed with the coating storage tank, and the conveying pipeline is communicated and fixed with the coating pump.

4. A UV paint coating apparatus as claimed in claim 1, wherein: bearing connection has the installation pole at the both ends of backing roll, the backing roll passes through installation pole fixed mounting and is in lifting unit's top.

5. The UV paint coating apparatus according to claim 4, wherein: the lifting assembly comprises a mounting plate for fixedly mounting the pressure-bearing roller and a servo cylinder arranged at the bottom of the mounting plate and used for driving the mounting plate to ascend or descend.

6. A UV paint coating apparatus as claimed in claim 1, wherein: and a first driving motor for driving the coating roller to rotate is fixedly arranged on the back surface of the rack.

7. A UV paint coating apparatus as claimed in claim 1, wherein: and a second driving motor for driving the material feeding roller to rotate is fixedly arranged on the back of the rack.

8. A UV paint coating apparatus as claimed in claim 1, wherein: the diameter of the coating roller is larger than that of the feeding roller.