PLASTIC PIPES WELDING DEVICE Russian patent published in 2019 - IPC B29C65/02 

FIELD: instrument making.

SUBSTANCE: invention relates to the welding devices for the plastic pipes welding. Disclosed is fixed on frame centering device, on which guides stationary and movable clamps are installed. Movable clamp is equipped with the hydraulic drive with hydraulic cylinders and is connected to the hydraulic station and the control unit. Centering device set includes at least two centering devices including two rigidly connected to the frame guides, on which a pair of stationary clamps is fixed with possibility of their adjustment displacements and a pair of movable clamps installed with possibility of free movement along the guides and rigidly interconnected. Connected to the hydraulic station and control unit hydraulic drive is made detachable relative to each centering device, movable clamp is equipped with retainers with elastic elements, which provide the movable clamps movement along the guides.

EFFECT: technical result of the invention is increase in the welding process efficiency due to reduction in time which is spent on cooling down by the entire device.

1 cl, 5 dwg