Abstract:
To provide a paint shop for painting objects to be painted in the form of vehicle bodies and/or parts of vehicle bodies, there is proposed a paint shop for painting objects to be painted in the form of vehicle bodies and/or parts of vehicle bodies which comprises the following: a building shell, which encloses a building interior, in which are arranged at least one dip tank and at least one open treatment area, which is open in relation to the building interior; a first transport level, on which objects to be painted can be transported through at least one open treatment area; a second transport level, from which objects to be painted can be dipped into at least one dip tank; and at least one intermediate storage unit, wherein at least one object to be painted can be transported from one transport level of the paint shop into the intermediate storage unit and later can be transported out of the intermediate storage unit into another transport level of the paint shop.
Abstract:
In a method of painting a building board being conveyed on a conveyor by means of a spray painting apparatus so that a plurality of colors of gradated or shaded patterns are formed, a plurality of spray guns are connected to a plurality of paint supply systems supplying different colors of paint, respectively. The spray guns are arranged in parallel to a direction in which the building board is conveyed. With the spray guns being reciprocated in a direction crossing the direction in which the building board is conveyed, each of the spray guns is intermittently turned on and off so that the paints of colors different from one another are sprayed from the spray guns onto the surface of the building board. The relation between a speed of the reciprocation of each spray gun and a speed of conveyance of the building board is expressed by L.ltoreq.P.times.N where L is a distance that the building board is conveyed during one reciprocation of the spray guns, P is an average arrangement pitch of the spray guns, and N is the number of the spray guns.
Abstract:
A powder coating line for coating either coiled strip or pre-sheared and punched blanks is provided. In order to coat strip a catenary portion of the strip is suspended through a powder coating subsystem which includes a powder coating booth and a curing oven. The coated strip is the recoiled onto a rewind reel. In the alternative, the strip may be stopped and sheared at an input region and presheared blanks introduced to the powder coating subsystem. The blanks are placed on a belt conveyor, which transports them into the powder coating booth. The blanks are then passed in a conveyor through the powder coating booth and over for subsequent restacking. After passing out of the oven, and before coiled or stacking occurs, the strip or blanks pass through a quench and an air dryer. The powder coating subsystem can be incorporated into a larger pre-treating, cleaning, embossing or post-processing line.
Abstract:
Inverted DI cans are fed by a conveyer having partitions in a plurality of rows such that they are spaced apart in each row, and treatment liquid is sprayed against the travelling cans from above and below the center of each row. The liquid is sprayed from above in a uniform and a full-cone pattern greater in area than the top surface of the can and from below also in a full-cone pattern or in a fan-shaped pattern narrow in the widthwise direction of the conveyer and greater in length than the can open end diameter. The liquid is further sprayed against the travelling cans from side nozzles on the opposite sides of and symmetric with respect to the center of each row. The side walls of the cans are thus washed without contact of adjacent cans in the direction of travel of the cans. The washing force is increased in the space between adjacent cans in the direction of travel to prevent washing irregularities and thus permit uniform surface treatment of the inner and outer surfaces of the cans.
Abstract:
An electrostatic powder spray coating system for car bodies is disclosed. Above the car bodies (14) are moved through the cabin and from which the spray organs (94) are supplied with powder. The powder container (92) is supplied with fresh powder and recycled powder from a supply container (36). Short paths between the powder container and spray organs allow precise metering and therefore a good coating quality. The spray coating is applied within an arrangement of inner and outer cabins which allows pressurizing of space between the cabins to prevent ingress of atmospheric air into and egress of powder out of the system.
Abstract:
A baking oven is divided into a first baking oven and a second baking oven. A conveyor line is also divided into two sections, a first conveyor line section being so disposed as to pass through the first baking oven only, and a second conveyor line section being so disposed as to pass through the second baking oven only. A substrate is coated with a paint and then conveyed through the first baking oven while being so supported by a carrier with a rotating device and being rotated about its approximately horizontal axis extending in a longitudinal direction thereof with the rotating device. The rotation of the substrate is carried out at a speed which is high enough to prevent the paint coated from sagging due to gravity yet which is low enough so as to cause no sagging as a result of centrifugal force. After baking in the first baking oven, the substrate is then changed over in a position prior to the second baking oven from the carrier with the rotating device to the carrier without the rotating device, namely, from the first conveyor line section to the second conveyor line section and conveyed to the second baking oven wherein the substrate is further baked.
Abstract:
A controlling method for operation of painting booth wherein an air inlet chamber and an exhaust chamber are provided at upper portion and lower portion of a tunnel-like painting chamber respectively, these painting chamber, air inlet chamber and exhaust chamber are divided into a plurality of zones longitudinally, each zone is connected to independent feed air and exhaust systems, which comprises detecting an air-speed value of a horizontal air current in each zone, adjusting a feed air quantity or an exhaust quantity in the two adjacent zones so as to keep the air-speed value within a predetermined range, enabling operation for start-up and shutdown successively or steady operation without causing the horizontal air current to bring about a defective painting.
Abstract:
A cover for paint spray area grates, the grate cover being arranged for shielding the grate blades and grate cross members from paint particles entrained in air drawn down through the grate and for facilitating installation of the cover on the grate without substantially inhibiting air flow down through the grate. The cover comprises a lightweight plastic one piece member having (1) a top wall comprising perimeter portions integral with plural length and width cross portions bounding a plurality of openings substantially coextensive with corresponding openings in the grate to be covered, and (2) skirts depending into the openings from the perimeter portions, length cross portions and width cross portions. Parts of the skirts adjacent said top wall are positioned close to the top of the grate blades and grate cross members. A pair of the skirts flank each grate blade and cross member. Each pair of flanking skirts is downwardly divergent so the space between the bottom edges of such pair of skirts is wider than the space between the top edges of the skirts. The skirts bounding each opening define a steep funnel shape such that the opening has a somewhat larger area at the top than at the bottom thereof. The skirts in each opening are connected at the corners thereof such that the skirts form a continuous perimeter wall for such opening.
Abstract:
Cup lubricating process and apparatus in which cup-shaped can bodies are controllably conveyed in spaced relationship to each other through a lubrication application chamber. Lubricant is atomized to particle sizes permitting them to be gas borne and introduced into such chamber from a plurality of locations about the travel path for can bodies. Provision is made for augmented external surface deposition by electrically charging at least a portion of the gas-borne lubricant particles and electrically grounding can bodies individually during passage through such lubricant application chamber. Endless loop conveyor means are provided with adjustable features enabling a travel path to be adapted to differing dimension can bodies.
Abstract:
A spray paint system including a paint booth and paint robot apparatus movable within the paint booth and movably supported outside the paint booth is disclosed. The side walls of the paint booth have elongated openings formed adjacent the bottom of the paint booth to allow gooseneck-shaped saddle structures to extend therethrough. The saddle structures support paint robots on their respective elongated rail mechanisms. The side walls of the paint booth, together with the rail mechanisms defines stationary labyrinthian seals which isolate paint hoses, cables, bearings and ways from the booth environment. Each robot is mounted on its saddle structure by a hollow robot carriage. The robot carriage and saddle structures house the various cables, hoses and paint lines of their respective robot. Drive assemblies including racks mounted on their respective rail mechanisms drive the saddle structures along the elongated openings.