| 摘要 |
PURPOSE: An automatic pitch transfer device for a tube of a fin-tube welding machine is provided to prevent welding errors by welding fins in a tube in uniform intervals. CONSTITUTION: An automatic pitch transfer device for a tube of a fin-tube welding machine comprises first and second supports(12,14), first and second linear guides(16,18), tables(20) for transferring a tube, tube clamping devices(22), tube pitch transfer units(24), front tube clamps, rear tube clamps, and joint units. The first and second supports are arranged in both sides of a welding machine body(10). The tube clamping devices are movably placed on the first linear guide. The tube pitch transfer units transfer the tables and the tube clamping devices along the first linear guide. The front tube clamps are installed in the rear end of the first support. The rear tube clamp is movably installed in the second linear guide.
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