JP2523017Y2 - Roller curtain coating curtain receiving device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller receiving apparatus for roller curtain coating using a steel sheet as an object to be coated.

[0002]

2. Description of the Related Art In recent years, as a coating technique using a curtain flow, there are a slit method and an overflow method.
In this roller system, a paint whose viscosity has been adjusted in advance is supplied to a roll gap between a painted rubber roll and a metal doctor roll and discharged, and the painted rubber roll is discharged. Is scraped off by a blade brought into contact with the blade. The scraped paint flows down along the blade to form a paint curtain, and is applied to a steel plate or the like passing below the blade. FIG. 2 shows a conventional apparatus of this curtain coating apparatus.
Shown in In the roller curtain coating apparatus shown in FIG. 2, the paint 8 stored between the paint roll 1a and the doctor roll 1b is rotated by the rotation of the paint roll 1a.
It is discharged downward along the surface of the coating roll 1a from the gap between the coating roll 1a and the doctor roll 1b. 2 is the painting row
The coating roll 1a is a blade arranged in the axial direction of the roll 1a.
The paint is scraped off from the surface to form a paint curtain 7 and flows down.

The remaining paint scraped off by the blade is stored in a paint tank (not shown) provided below. This roll car tenter is a paint roll 1
a, the rotation speed of the paint roll 1a and the doctor roll 1b
By adjusting the gap, the paint curtain 7 having a desired film thickness can be obtained. As described above, the curtain coating device is constituted by a device which performs coating by freely dropping the paint curtain 7 from above the steel plate as the object 6 to be moved.

With this configuration, a paint receiving pan 3 is provided to set the paint curtain 7 in a flow-down or cut-off state, and a forward / reverse mechanism 4 connected to the paint receiving pan 3 is provided. By moving the paint receiving pan 3 forward, the paint curtain 7 is shut off from flowing down, and all of the hanging paint curtain 7 is received in the paint receiving pan 3, and this paint The paint in the receiving pan 3 is connected to the paint outlet 5 from the lower part of the receiving pan 3 so that the paint is discharged. In addition, it is the actual state that the apparatus is conventionally composed of one unit including the paint receiving pan 3, the forward and backward moving mechanism 4, and the paint discharge port 5.

[0005]

When the paint pan 3 is advanced by the forward / reverse mechanism 4 in order to cut off the paint curtain 7 composed of one of the above-mentioned curtain painting apparatuses, All of the paint curtain 7, which has flowed continuously, is received by the paint receiving pan 3, and is discharged from the coating discharge port 5. The paint adhered to the outer front surface of the paint receiving pan 3 flows back. In addition, there is a problem that the coating curtain cannot be completely shut off because it is suitable for the object 6 to be coated. In order to solve these problems, when shutting off the paint curtain, the curtain which does not fall down to the object to be coated is not completely blocked against the back of the paint attached to the outer front surface of the paint pan 3. It is intended to provide a coating device.

[0006]

DISCLOSURE OF THE INVENTION The present invention advantageously solves the problems of the prior art. To achieve the above object, the present inventors have made extensive efforts to complete the coating curtain. SUMMARY OF THE INVENTION The gist of the invention is to provide a roller curtain for forming a coating film on an object to be coated by passing a suitable coating curtain. In a coating apparatus, a pair of a curtain receiving device having a forward / backward movement mechanism and a paint discharge port is opposed to an upper and lower step position with a paint curtain as a boundary between a blade and an object to be coated. Wherein the pair of curtain receiving devices are configured to flow down or shut off the paint curtain. .

[0007]

The present invention will be described below in detail with reference to the drawings.
FIG. 1 is a perspective view of a roller curtain coating apparatus according to the present invention. In FIG. 1, the paint stored between the paint roll 1a and the doctor roll 1b is removed from the gap between the paint roll 1a and the doctor roll 1b by the rotation of the paint roll 1a. It is discharged downward along the surface of the coating roll 1a.
The discharged paint is scraped off from the surface of the coating roll 1a by the blade 2 to form a paint curtain 7 and flows down. The coating is performed on the surface of the steel sheet by allowing the curtain 7 to fall freely. In this case, there is a case where the paint curtain 7 is formed to interrupt the flowing down state, and the painting on the steel sheet surface may be stopped.

For this purpose, a pair of paint receiving pans 3a, 3b arranged at positions which are positioned vertically above and below the paint curtain 7 between the blade 2 and the object 6 to be coated. The paint receiving pan 3a provided in the upper stage is advanced by the forward and backward moving mechanism 4a, the paint curtain 7 is shut off, and the paint receiving pan 3
a paint receiving pan 3
The forward / reverse mechanism 4b is advanced at b, and shut off again. In this case, the paint stored in the paint receiving pans 3a and 3b is discharged from the paint outlets 5a and 5b,
It is discharged without overflowing from a and 3b. As a result, the paint that adheres to the outer front surface of the paint receiving pan 3a provided at the upper stage and the appropriate paint is applied to the paint receiving pan 3b disposed at the lower stage by the forward operation of the forward / reverse mechanism 4b to remove the appropriate paint. It is possible to completely block the paint applied to the surface of the steel sheet by receiving the step, and to stop the coating on the surface of the steel sheet.

[0009]

As described above, according to the structure of the present invention, when the paint curtain is cut off by one paint receiving pan, the paint which adheres to the outer front surface of the paint receiving pan and falls down. It was completely prevented.

[Brief description of the drawings]

FIG. 1 is a perspective view of a roller curtain coating apparatus according to the present invention;

FIG. 2 shows a conventional roller curtain coating apparatus.

[Explanation of symbols]

 1a paint roll, 1b doctor roll, 2 blades, 3,3a, 3b paint pan, 4,4a, 4b forward / backward movement mechanism, 5,5a, 5b paint outlet, 6 workpiece 7 paint curtain, 8 paint.

Claims (1)

(57) [Scope of request for utility model registration] A roller curtain coating apparatus for forming a coating film on an object to be coated by passing a suitable coating curtain between the blade and the object to be coated. A pair of curtain receiving devices having a forward / backward movement mechanism and a paint discharge port are disposed at upper and lower steps relative to each other. -Roller car characterized in that it is configured to block or block the flow of ten.
Ten-painted carton receiving device.