Patent ID: 11911940
Assignee: TEDERIC MACHINERY CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. The in-mold spraying system according to claim 4, wherein the PU injection device includes a first component PU injection device and a second component PU injection device, the first component PU injection device and the second component PU injection device respectively comprise a pressure pump, a material tank, a flow meter, an air blower, an electric control cabinet and a thermal insulation box, the material tank is arranged above an interior of the thermal insulation box, the pressure pump is arranged inside the thermal insulation box and communicated with the material tank through a pipeline, the flow meter is arranged on one side of the thermal insulation box and is connected to the material tank through a pipeline, the air blower is arranged outside the thermal insulation box, and continuously circulates air into the thermal insulation box, the electric control cabinet is arranged on a side of the thermal insulation box to control a pressure of the pressure pump and set a flow rate of the flow meter.