JP2002370054A - Exterior wall panel coating equipment - Google Patents

Abstract

(57) [Problem] To provide an outer wall panel coating apparatus capable of easily and easily changing a paint in a short time. SOLUTION: A doctor roll 11 and a sponge roll 12 which comes into contact with the doctor roll, simultaneously rotates in the opposite direction to the doctor roll, and supplies a paint to the surface of the outer wall panel 1.
And a groove 11 provided near one axial end of the doctor roll.
c, which is rotatably fitted from above into the sponge roll 12 and is rotatably fitted into the vicinity of one end in the axial direction of the sponge roll 12 to prevent paint from falling from one end in the axial direction of the two rolls 11, 12. 14, a pump 18 provided in the vicinity of the other ends in the axial direction of the two rolls for circulating the paint, and a supply passage 2 for supplying the paint between the two rolls from the pump.
0 and a collecting passage 22 for returning the paint dropped from the other end in the axial direction of both rolls to the pump.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coating apparatus for coating a surface of an outer wall panel of a house.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 6 and 7, as a coating apparatus for an outer wall panel 1, a doctor roll 2 whose surface is finished by chrome plating or the like,
A sponge roll 3 that contacts a surface of a sponge is contacted so as to rotate simultaneously.

[0003] A paint is supplied to the surface of the doctor roll 2 from a pump 4 through a supply passage 5 and applied to the surface of the outer wall panel 2 by a sponge roll 3. The surplus paint falls into the collecting passage 6 from both ends in the axial direction of the doctor roll 2 and the sponge roll 3, and is returned to the pump 4 through the collecting passage 6.

[0004]

In the above-described coating apparatus, when the color of the paint is changed in accordance with the type of the outer wall panel 1 or the like, the original paint remaining in the pump 4 and each of the passages 5 and 6 is removed. And the inside of the pump 4 and each of the passages 5 and 6 need to be washed. However, since the supply and recovery passages 5 and 6 have a considerable length, it takes time and effort to recover and clean the original paint, and the amount of paint wasted during cleaning and the use of cleaning water. There was a problem that the amount became large and the cost increased as a result.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an apparatus for coating an outer wall panel which can easily and easily change a paint in a short time. Therefore, the outer wall panel coating apparatus of claim 1 of the present invention
A doctor roll, a sponge roll that simultaneously rotates in the opposite direction to the doctor roll in contact with the doctor roll and supplies paint to the surface of the outer wall panel, and a groove provided near one axial end of the doctor roll that rotates from above. A damming member that fits freely and that is hardly rotatable from above in the vicinity of one axial end of the sponge roll to prevent paint from falling from one axial end of both rolls; and the other axial end of both rolls. A pump for circulating the paint, a supply passage for supplying the paint between the two rolls from the pump, and a collection passage for returning the paint dropped from the other end in the axial direction of the two rolls to the pump. It is characterized by having.

According to a second aspect of the present invention, in the apparatus for coating an outer wall panel according to the first aspect, a pair of grooves are provided near one end of the doctor roll in the axial direction, and the damming member is fitted to each of the grooves. And a horizontal portion connecting the upper ends of these vertical portions to each other.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2, the coating apparatus for an outer wall panel includes a doctor roll 11 and a sponge roll 12, and the two rolls 11 and 12 are brought into contact with each other and rotated simultaneously in opposite directions. .

The doctor roll 11 is formed by integrating a hollow iron roll main body 11a with a chrome plating on the surface and a rotating shaft 11b penetrating the center of the iron roll main body 11a. The rotating shaft 11b is rotatably supported by a bearing (not shown), and is driven to rotate in a direction indicated by an arrow in FIG. 2 by a motor (not shown).

A guide roll 13 is rotatably fitted on the rotating shaft 11b near one axial end of the iron roll main body 11a. The guide roll 13 is connected to a fixed portion (not shown) so as to maintain an immobile state regardless of whether or not the rotation shaft 11b rotates.

The sponge roll 12 is formed by fitting and fixing an appropriate cylindrical sponge body 12b such as neoprene sponge to the outer periphery of a hollow iron roll main body 12a.
The iron roll body 12a has a rotating shaft 12 penetrating the center thereof.
c. The rotating shaft 12c is rotatably supported by a bearing (not shown).

Doctor roll 11 and sponge roll 1
2, two rolls 11 at one end in the axial direction and the right end in FIG.
A damming member 14 is arranged so as to straddle between twelve. The damming member 13 is formed in a substantially U-shape as a whole by the bending member 15 and the vertical member 16.

The bending member 15 includes a vertical portion 15a and a vertical portion 1a.
The horizontal portion 15b is bent at a right angle from the upper end of the horizontal portion 15a, and a lower bent portion 15c having a short upper and lower width is bent downward from the other end of the horizontal portion 15b. The vertical member 16 is fixed to the lower bent portion 15c by welding or the like.

As shown in FIG. 3, the lower portion of the vertical member 16 is fixed to the guide roll 13. That is, the guide roll 13 includes a substantially semicircular lower half 13a and a pair of generally semicircular upper halves 13b.
The width b in the axial direction is about 1/2 of the lower half 13a. Each upper half 13b is fixed to the lower half 13a with a bolt (not shown) passing through the hole 17, and a pair of upper half 13b
The vertical member 16 is fixed to the guide roll 13 by the lower portion of the vertical member 16 being sandwiched therebetween.

As shown in FIG. 4, an engaging portion 15e is formed in the vertical portion 15a of the bending member 15 so as to bite into a groove 12d formed in the sponge body 12b of the sponge roll 12 from above. The groove 1 on the side of the sponge body 12b
Normally, the engaging portion 15d does not need to be formed in advance.
e is formed by biting.

A pump 18 is disposed near the other end in the axial direction of the two rolls 11 and 12, that is, near the left end in FIG. 1, and a supply passage 20 is provided between the pump 18 and the two rolls 11 and 12. I have. The end of the supply passage 20 is open near the damming member 14. In addition, both rolls 11 and 12
A gutter 21 for receiving paint falling from between the two rolls 11 and 12 is disposed adjacent to the other end in the axial direction, and a short collection passage 22 is formed between the gutter 21 and the pump 18. I have.

In the above configuration, while supplying the paint between the two rolls 11 and 12 from the pump 18 via the supply passage 20, the two rolls 11 and 12 are rotated in the direction of the arrow in FIG. When the sponge roll 12 is moved in the direction of the arrow, the paint is supplied from the surface of the sponge roll 12 to the surface of the outer wall panel 1, and the outer wall panel 1 is painted.

In this case, since the damming member 14 is connected to the fixed portion via the guide roll 13, the damming member 14 is maintained immovable regardless of the rotation of the two rolls 11, 12. Therefore, the paint supplied from above between the two rolls 11 and 12 is blocked by the blocking member 14 and does not drop to one axial end of the two rolls 11 and 12. Flows toward the other end in the axial direction. The paint that has fallen on the gutter 21 from the other end in the axial direction between the two rolls 11 and 12 is collected by the collecting passage 22.
Is returned to the pump 18.

When the paint is replaced with one of a different color, it is necessary to collect the paint in both the passages 20, 22 and the pump 18, and to wash each of these parts. Since the passage 22 is much shorter than the conventional one, the labor and time required for collecting the paint are reduced.
In addition, the amount of waste paint and the amount of washing water used at the time of collection are reduced, and overall cost reduction can be realized.

FIG. 5 shows a second embodiment. Here, the guide roll 13 is omitted, and a blocking member 23 having a U-shape opening downward is rotatably mounted on the vicinity of one axial end of both rolls 11 and 12 from above. That is, the iron roll main body 11a of the doctor roll 11 has a pair of grooves 11c, 1
1d, a pair of grooves 12d and 12e are also formed in the sponge body 12b of the sponge roll 12, and a pair of arc-shaped portions provided in the pair of vertical portions 23a and 23b of the damming member 23. The engaging portion is formed by the pair of grooves 11c and 11d.
And the grooves 12d and 12e are fitted from above.

In this case, although the damming member 23 is not connected to the fixed portion, the grooves 11c and 11c of the iron roll main body 11a are not connected.
d, the axial movement is prevented, while the sponge body 12b abuts on the surface of the iron roll body 12a via the grooves 12d, 12e of the sponge body 12b to prevent the rotation of the two rolls 11, 12. Instead, the damming member 23 is stably supported on both the rolls 11 and 12. Therefore, the paint does not drop from one axial end of the two rolls 11 and 12 during painting.

[0021]

According to a first aspect of the present invention, there is provided a coating apparatus for an outer wall panel, comprising: a sponge for supplying a paint to the surface of the outer wall panel by simultaneously rotating the doctor roll in a direction opposite to the doctor roll in contact with the doctor roll. The roll and the groove provided near the axial direction of the doctor roll are rotatably fitted from above, while the sponge roll is hardly rotatable from above near the one end of the sponge roll from above so that the paint from one axial end of both rolls A damming member for preventing the falling of the rolls, a pump provided near the other end in the axial direction of the two rolls, for circulating the paint, a supply passage for supplying the paint between the two rolls from the pump, and a shaft for the two rolls. A collecting passage for returning the paint dropped from the other end in the direction to the pump, and collecting excess paint only from the other end side in the axial direction of both rolls.
Since the pump is located near the other axial end of both rolls,
The recovery passage can be made much shorter than before.

As a result, the time and labor required for collecting and cleaning the paint when changing the paint to a different color is reduced, and the amount of wasted paint and the amount of washing water used for collection is reduced. There is an advantage that contributes to cost reduction.

According to a second aspect of the present invention, in the apparatus for coating an outer wall panel according to the first aspect, a pair of grooves are provided near one end of the doctor roll in the axial direction, and the damming member is fitted to each of the grooves. Since the vertical portion and the horizontal portion connecting the upper ends of these vertical portions are formed in a substantially U-shape, the damming member is stably supported above one axial end of both rolls, The disadvantage that the paint leaks from the one end side in the axial direction is less likely to occur.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing an outer wall panel coating apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic front view showing the coating apparatus.

FIG. 3 is a schematic perspective view showing the vicinity of a damming member in the coating apparatus.

FIG. 4 is a rear view showing a vertical portion of a bending member constituting the damming member.

FIG. 5 is a schematic plan view showing a coating apparatus according to a second embodiment of the present invention.

FIG. 6 is a schematic plan view showing a conventional coating apparatus.

FIG. 7 is a schematic front view showing a conventional coating apparatus.

[Explanation of symbols]

 Reference Signs List 1 outer wall panel 11 doctor roll 12 sponge roll 14 damming member 18 pump 20 supply passage 22 collection passage

Claims (2)

[Claims] 1. A doctor roll, a sponge roll that contacts the doctor roll, simultaneously rotates in the opposite direction to the doctor roll, and supplies paint to the surface of the outer wall panel, and is provided near one end of the doctor roll in the axial direction. A damming member that fits into the groove so as to be rotatable from above, and that is rotatably inserted into the vicinity of one end of the sponge roll in the axial direction to prevent paint from falling from one end in the axial direction of both rolls; A pump for circulating the paint, a supply passage for supplying the paint between the two rolls from the pump, and returning the paint dropped from the other axial end of the two rolls to the pump. A coating device for an outer wall panel, comprising a collection passage. 2. A pair of grooves are provided in the vicinity of one end in the axial direction of the doctor roll, and the damming member is connected to a pair of vertical portions fitted into each groove and a horizontal connecting the upper ends of these vertical portions. The outer wall panel coating apparatus according to claim 1, wherein the outer wall panel is formed in a substantially U-shape with the portion.