Pipeline-interior painting machine and painting method
A painting machine and painting technology, applied in the direction of coating, liquid coating device on the surface, etc., to achieve the effect of simple process, low defect rate and low cost
Inactive Publication Date: 2012-09-19
MIDEA GRP CO LTD
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Problems solved by technology
It is difficult to apply paint evenly on the pipe wall, and there are a few places in the pipe that are not painted, and it is difficult to detect defective products
[0003]The above process cannot solve the problem of painting and anticorrosion in pipes with a diameter of less than 50MM or special-shaped pipes
Method used
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[0024] The present invention is described in further detail in conjunction with accompanying drawing and embodiment:
[0025] As shown in the figure: an in-pipe painting machine, including a base plate, and a guide rail on the base plate. There is a workpiece trolley 7 on the guide rail. The workpiece trolley 7 carries a workpiece 1 with a pipe 101. The workpiece trolley 7 is connected to a cylinder 6 , there is also a support 8 on the base plate, an air intake pipe 4 is fixed on the support 8, a vibrating feeder 2 is fixed on the air intake pipe 4, the lower end of the vibrating feeder 2 communicates with the air intake pipe 4, and there is a carrier in the air intake pipe 4 3. One end of the air intake pipe 4 communicates with the pipe 101 on the workpiece 1 , and the other end of the air intake pipe 4 is connected to a compressed air source 9 . The PLC system controls the movement of the workpiece trolley 7, sends the workpiece 1 to the intake pipe 4, and connects the pipe ...
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The invention relates to equipment and a method for solving corrosion prevention in pipelines having calibres of less than 50 MM or in irregular pipelines, and particularly relates to a pipeline-interior painting machine and a painting method. The pipeline-interior painting machine comprises a base plate, and a guide rail arranged on the base plate, wherein a workpiece trolley is arranged on the guide rail; a workpiece with a pipeline is born on the workpiece trolley; a cylinder is connected on a workpiece trolley side; a support is further arranged on the base plate; an air inlet tube is fixed on the support; a vibration feeder is fixed on the air inlet tube; the lower end of the vibration feeder is communicated with the air inlet tube; a carrier is arranged in the air inlet tube; and one end of the air inlet tube is communicated with the pipeline on the workpiece, and the other end of the air inlet tube is connected with a compressed air source. The pipeline-interior painting machine and the painting method have the following advantages that painting in the pipelines having calibres of less than 50 MM or in the irregular pipelines can be realized; and the carrier can be repeatedly used and replaced, and purposes of simple process, low cost and low reject rate can be achieved.
Description
technical field [0001] The present invention relates to the technical field of pipeline anticorrosion maintenance, more specifically, an in-pipe painting machine and a painting method for anticorrosion in pipes with a pipe diameter less than 50MM or special-shaped pipes. Background technique [0002] Anti-corrosion inside the pipe has always been a technical problem due to the small diameter of the pipe. The usual method is: pour "oxygen" into the tube, seal it and oxidize it in an electric furnace, and use the oxide layer for anti-corrosion. Due to the small inner diameter of the tube, the amount of oxygen entering the tube is limited, the oxide layer is less, and the service life is short. Another method is to use the filling method to inject paint into the tube, and then discharge excess paint. In this method, the paint is in a natural state after entering the tube, and there is no external squeezing force and friction. Paints are difficult to evenly coat the pipe wall...
Claims
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IPC IPC(8): B05C7/08B05D7/22
Inventor 李成明晏勇黃崇增
Owner MIDEA GRP CO LTD