Apparatus and method for automatic powder spray booth cleaning
First Claim
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1. A pneumatic powder spray booth cleaning apparatus comprising:
- a rotatable frame having an air passage therethrough;
said air passage being connectable to a source of pressurized air;
said frame having a height and width that allow said frame to be moved between a first position outside a spray booth and a second position inside a spray booth;
said frame having a number of air jets that are in fluid communication with said air passage and that direct an air flow at interior surfaces of a spray booth to blow off powder therefrom as said frame rotates.
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Abstract
An automatic and pneumatically driven cleaning apparatus and method for cleaning interior surfaces of a powder spray booth. The cleaning apparatus includes a frame that can be transported into the booth by an overhead conveyor. The frame has a number of air jets that blow off powder from the interior surfaces. Propulsion air jets are also provided with the frame to pneumatically cause the frame to rotate. A lower stabilizer hub may be used to stabilize the rotation of the frame. The frame is made of lightweight materials such as composite materials.
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Citations
37 Claims
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1. A pneumatic powder spray booth cleaning apparatus comprising:
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a rotatable frame having an air passage therethrough;
said air passage being connectable to a source of pressurized air;
said frame having a height and width that allow said frame to be moved between a first position outside a spray booth and a second position inside a spray booth;
said frame having a number of air jets that are in fluid communication with said air passage and that direct an air flow at interior surfaces of a spray booth to blow off powder therefrom as said frame rotates. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for cleaning a powder spray booth, comprising the steps of:
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a. transferring into the spray booth a plurality of blow off air jets that direct pressurized air at interior surfaces of the spray booth;
b. coupling a pressurized air supply to said blow off air jets; and
c. rotating said blow off air jets about an axis to blow off powder from said interior surfaces. - View Dependent Claims (17, 18)
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19. A pneumatic powder spray booth cleaning apparatus comprising:
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a powder spray booth having vertically extending walls, a ceiling and a floor;
a rotatable frame having an air passage therethrough;
said air passage being connectable to a source of pressurized air;
said frame having a height and width that allow said frame to be moved between a first position outside said spray booth and a second position inside said spray booth;
said frame having a number of blow off air jets that are in fluid communication with said air passage and that direct an air flow at interior surfaces of said vertically extending walls and ceiling to blow off powder therefrom while said frame rotates. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A cleaning system comprising:
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a powder spray booth that is generally a vertical cylinder;
an overhead conveyor;
said spray booth having an opening for parts carried by the conveyor into and out of said spray booth;
said frame being suspended from said conveyor and moveable through said opening for positioning within said spray booth; and
a cleaning frame having vertically extending legs which are positioned adjacent cylindrical interior surfaces of said spray booth;
said cleaning frame rotating to remove oversprayed powder from said interior surfaces. - View Dependent Claims (33, 34, 35)
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36. A powder booth cleaning apparatus comprising:
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a powder spray booth;
a cleaning frame conforming to interior surfaces of said spray booth;
said cleaning frame having associated air jets that cause said cleaning frame to rotate. - View Dependent Claims (37)
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Specification