Coating apparatus

Abstract

A rotating drum 3 has ventilation sections 6 that can ventilate the inside of the drum and the outside of the drum in the coating processing. To the ventilation sections 6, a panel unit 41 having arranged therein plural hollow pipes 42 through which cold water passes is attached. The hollow pipes 42 are fixed to a base plate 44 in parallel with each other, and a gap “G” is provided between the adjacent pipes. The base plate 44 is provided with a communication hole 45, and the hollow pipes 42 are so arranged as to face the communication hole 45. To both ends of the hollow pipes 42, charge/discharge collecting pipes 46a and 46b are fixed. In the coating processing, cold water is arbitrarily supplied to the hollow pipes 42 through the charge/discharge collecting pipe 46a to cool the drum 3 so as to bring about the temperature difference between the inside of the drum and processing objects, which can prevent coating base materials from adhering to the inside of the drum.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 shows a view to explain the configuration of a coating apparatus in the first embodiment according to the present invention;

FIG. 2 shows a sectional view indicative of the configuration of a rotary joint;

FIG. 3 shows a view to explain the connection configuration between the rotary joint and a drive shaft;

FIG. 4 shows a view to explain the configuration of ventilation sections, and shows a surface on the inner side of a rotating drum;

FIG. 5 shows a view to explain the configuration of the ventilation sections, and shows a surface on the outer side of the rotating drum;

FIG. 6 shows a plan view of a panel unit;

FIG. 7 shows a side view of the panel unit;

FIG. 8 shows a view to explain the configuration of a panel unit used in a coating apparatus in the second embodiment according to the present invention;

FIG. 9 shows a view to explain the configuration of a panel unit used in a coating apparatus in the third embodiment according to the present invention;

FIG. 10 shows a view to explain the configuration of a coating apparatus in the fourth embodiment according to the present invention;

FIG. 11 shows a view to explain the configuration of a coating apparatus in the fifth embodiment according to the present invention;

FIG. 12 shows a view to explain the configuration of a panel unit used in the coating apparatus in FIG. 11; and

FIG. 13 shows a view to explain the configuration of a conventional coating apparatus.

Claims

1. A coating apparatus, comprising: a hollow processing container which is rotatably arranged with its rotation axis being the center; anda ventilation section which is arranged in the processing container, and can ventilate the inside of the processing container and the outside of the processing container in the coating processing;wherein the ventilation section hasa temperature adjustment unit which is provided with a temperature-adjusting section through which temperature-adjusting medium passes, and a communicating section which makes the inside of the processing container communicate with the outside of the processing container.

2. The coating apparatus according to claim 1, wherein the temperature-adjusting section has hollow temperature-adjusting tubes through which the temperature-adjusting medium passes.

3. The coating apparatus according to claim 2, wherein the temperature-adjusting tubes are prepared by a plural number, and a gap is provided between the adjacent temperature-adjusting tubes so as to form the communicating section.

4. The coating apparatus according to claim 3, wherein the temperature-adjusting tubes are so arranged as to be parallel with each other.

5. The coating apparatus according to claim 2, wherein the temperature adjustment unit has a base plate in the form of a flat plate which is provided with at the center thereof a communication hole, and the temperature-adjusting tubes are fixed to the base plate and are so arranged as to face the communication hole.

6. The coating apparatus according to claim 5, wherein the temperature adjustment unit further has temperature-adjusting medium charge/discharge collecting members which are arranged on at least any one of both sides of the temperature-adjusting tubes, and are connected to the ends of the respective temperature-adjusting tubes and communicate with the respective temperature-adjusting tubes.

7. The coating apparatus according to claim 1, wherein the temperature adjustment unit has a temperature-adjusting section being a hollow box-shaped member through which the temperature-adjusting medium passes, and a communicating section being hollow pipes which are arranged in the box-shaped member and open into the front-back both sides of the box-shaped member.

8. The coating apparatus according to claim 2, wherein the temperature adjustment unit has a base plate in the form of a flat plate which is provided with a plurality of ventilation holes, and the temperature-adjusting tube is fixed to the base plate.

9. The coating apparatus according to claim 8, wherein the temperature-adjusting tube is arranged at part of the base plate where the ventilation holes are not provided.

10. The coating apparatus according to claim 2, wherein the temperature adjustment unit has temperature-adjusting medium charge/discharge collecting members which are arranged on both sides of the temperature-adjusting tubes, and are connected to the ends of the respective temperature-adjusting tubes and communicate with the respective temperature-adjusting tubes.

11. The coating apparatus according to claim 1, wherein the temperature-adjusting medium is cold medium using water or air, and the temperature adjustment unit is a cooling device to cool the processing container.

12. The coating apparatus according to claim 1, wherein the temperature-adjusting medium is hot medium using water or air, and the temperature adjustment unit is a heating device to heat the processing container.