Automatic spraying machine for internal and external walls of steel pipe
A technology of automatic spraying and internal spraying, which is used in coatings, devices for coating liquid on surfaces, etc., can solve the problems of reducing the service life of steel pipes, shortening the service life of steel pipes, and heavy workload, and achieve the effect of improving work efficiency.
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[0012] The present invention will be described in detail below in conjunction with the drawings.
[0013] Such as figure 1 , figure 2 As shown, the automatic spraying machine for inner and outer walls of steel pipes provided by the present invention includes inner and outer wall spray paint devices 40, 30, and left and right steel pipe drive devices 10, 20 fixedly arranged on the machine base 100 at left and right intervals, and left and right steel pipe drive devices The structure is the same, and is used to transport the steel pipe 200 to be sprayed to move left and right in the horizontal direction.
[0014] Taking the left steel pipe driving device 10 as an example, the left steel pipe driving device 10 includes a frame 11 fixed on the machine base 100 and several sets of upper and lower rollers 12, 13, and a lower roller 13 arranged on the frame 11 opposite to each other. Driven by the motor 14 fixed on the frame 11 through the belt 15, the axle of the upper roller 12 is fixe...
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