Manual controllable and safe integrated machine-made powder spraying device for powder room

The utility model belongs to the technical field of spraying equipment, and discloses a manual controllable and safe integrated machine powder spraying device for a powder room, after passing through an automatic powder spraying section, a workpiece stays at a manual powder supplementing section to wait for powder supplementation, after manual powder supplementation is finished, an endless chain trolley can be controlled to be transferred to the next working procedure through a manual operation button'car putting 'key, and the automatic powder supplementation is completed. The takt time in the process can be manually controlled, and meanwhile, the powdering quality of the workpiece can be met; i-shaped beams are installed on the two sides in the chamber body respectively and comprise a top I-shaped beam and a bottom I-shaped beam, a movable fixing support is connected to the I-shaped beams and used for fixing a three-dimensional trolley platform frame to achieve the advancing and retreating functions of the t