JPH07553U - Automatic opening / closing lid for spray gun cap automatic cleaning tank - Google Patents

Abstract

(57) [Summary] [Purpose] In the automatic spray gun cap cleaning device attached to the robot coating equipment, the spray gun, robot wrist and cleaning tank are not damaged even if the cleaning tank lid is closed during cleaning. Make the lid of the structure cleaning tank. [Structure] The lid of the automatic cap cleaning device is automatically opened and closed by air, but only the peripheral part, which is the framework of the lid, is made rigid, and the lid part excluding the peripheral part is metal foil (aluminum foil, etc.), solvent resistant resin Put a film etc. It is possible to prevent damage to the cleaning tank, painting robot, and automatic gun even if the robot performs cleaning operation on the sleet gun with the lid closed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a structure of a lid of an automatic cleaning tank for a cap of an automatic spray gun mounted on a coating robot in a coating robot facility.

[0002]

[Prior art]

 A small amount of paint mist during painting adheres to the cap of the automatic spray gun attached to the tip of the arm of the painting robot, and the amount of the paint mist increases with painting time. Since the lumps of paint mist that have adhered to the inside of the paint will enter the coating and the finish of the paint will be poor, the paint that has adhered to the cap must be washed off before painting is completed and before the next painting. A tank is provided. However, in this automatic cleaning tank, a lid that is closed except for the cleaning cycle is provided in order to prevent evaporation of the cleaning liquid inside, and this lid is conventionally made of a hard material such as stainless steel plate. Therefore, if the automatic opening / closing of the lid fails when cleaning the cap and the lid remains closed, the wrist of the spray gun / painting robot arm collides with the automatic cleaning tank lid, causing automatic cleaning. The tank and the wrist of the spray gun / painting robot arm were damaged. In order to prevent this, the lid opening / closing mechanism must be provided with an interlock to prevent the arm of the painting robot from moving to the position of the cleaning tank when the lid is closed, which causes a cost increase. Was there.

[0003]

[Problems to be solved by the device]

 Without using an interlock, when the coating robot arm moves to the automatic cleaning tank during cleaning, the automatic cleaning tank, the spray gun, and the arm of the coating robot's wrist are closed because the lid of the automatic cleaning tank is closed. It is to prevent expensive parts from being damaged.

[0004]

[Means for Solving the Problems]

 According to the present invention, an automatic spray gun is mounted on the wrist at the tip of the arm of a painting robot, and a spray for cleaning and removing paint adhering to the cap of the automatic spray gun is provided at a position close to the painting robot. In a coating robot facility equipped with an automatic gun cleaning tank and a device for automatically opening and closing the lid of the automatic cleaning tank, the lid of the spray gun cap automatic cleaning tank is made of a hard material at the periphery. The central part, excluding the peripheral part, is made of metal foil or solvent resistant resin.

[0005]

[Action]

 When the spray gun comes into contact with the automatic cleaning tank without an interlock, even if the lid is closed, only the metal foil or the resin film will be torn, and the other automatic cleaning tank and spray gun / painting robot arm wrist It is possible to prevent damage to expensive parts.

[0006]

【Example】

 The automatic spray gun 2 is mounted on the wrist 1b at the tip of the arm 1a of the coating robot 1, and the cap 2a at the tip of the automatic spray gun 2 is mounted on the basis of a command from the robot control panel (not shown) to the coating robot 1. The paint is sprayed onto the object to be coated. When this application state continues for a while, paint mist gradually adheres to the cap portion 2a, and when it becomes large, it becomes a paint droplet and enters the fine mist-like paint that is spray-applied toward the object to be coated. Since the finish of the coating surface of the object to be coated may be deteriorated, the automatic cleaning tank 3 for cleaning and removing the paint adhering to the cap portion 2a during the coating process is located at a position close to the coating robot 1. It is installed in. This automatic cleaning tank 3 is provided with a lid 4 which is closed by air operation except the cleaning cycle and opened only in the cleaning cycle in order to prevent evaporation of the cleaning liquid contained therein. The lid 4 is designed to be automatically opened and closed at the same time based on a cleaning start / stop command from an unillustrated robot control panel via an interface.

Therefore, at the time of cleaning, the lid 4 of the automatic cleaning tank 3 is opened by about 120 ° as shown in the figure, the cap 2a of the automatic spray gun 2 is internally cleaned and removed, and again when the cleaning is completed. The lid 4 of the automatic cleaning tank 3 is adapted to be automatically closed. Now, the lid 4 of the automatic cleaning tank 3 is composed of a hard material 4a such as a stainless steel plate in the peripheral portion and a metal foil such as aluminum or a solvent resistant resin in the central portion 4b excluding the peripheral portion which is a skeleton. There is.

With the above configuration, even if the lid 4 is closed at the time of cleaning, the automatic spray gun 2 is made of a metal foil or a soft material made of a solvent resistant resin. Alternatively, since only the solvent resistant resin is broken, the usual washing can be performed. As a result, damage to the expensive automatic spray gun 2, the wrist portion 1b of the coating robot 1, and the cleaning tank 3 can be prevented.

[0009]

[Effect of device]

 The area where the spray gun enters the lid of the automatic cleaning tank and is to be cleaned is made of a soft material such as metal foil or solvent-resistant resin. Even if the lid of the cleaning tank is not opened, the automatic gun can break the lid without impact, so damage to the expensive automatic spray gun, the wrist of the painting robot and the automatic cleaning tank can be prevented.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an embodiment of an automatic cleaning tank of the present invention.

FIG. 2 is a perspective view of the automatic cleaning tank of the present invention.

[Explanation of symbols]

 1 Painting robot 2 Automatic spray gun 3 Automatic cleaning tank 4 Automatic opening / closing lid of automatic cleaning tank 3

Claims (1)

[Scope of utility model registration request] 1. A sprayer for mounting an automatic spray gun on a wrist at the tip of an arm of a coating robot and for cleaning and removing paint adhering to a cap of the automatic spray gun at a position close to the coating robot. In a coating robot facility provided with an automatic gun cleaning tank and further provided with a device for automatically opening and closing the lid of the automatic cleaning tank,
The spray gun cap automatic cleaning tank lid is characterized in that the peripheral part is made of hard material, and the central part excluding the peripheral part is made of metal foil or solvent resistant resin. Automatic opening / closing lid for cleaning tank.