The present invention relates to a vacuum pump suction device, a vacuum glass manufacturing system and related methods for manufacturing vacuum glazing. The vacuum pump suction device includes a circular tube-shaped pump suction work unit; a cylinder-shaped pump suction hole sealing work unit; a control unit; and a drive device. The pump suction work unit and the pump suction hole seal work unit share the same central axis, and form a cylinder in which the pump suction work unit is on the outside and the pump suction hole seal work unit is on the inside, along the central axis. Both units can move relatively. A pump suction channel is formed in the tube wall of the pump suction work unit, and a heating unit is arranged at the top inside the pump suction hole sealing work unit. Through the driving device, the control unit continuously controls the pump suction work unit and the pump suction hole sealing work unit in time to move relatively along the central axis, and the pre-pump suction / pre-press work or the vacuum pump A pump suction channel is controlled to perform the suction operation, and a heating unit is controlled to heat the seal sheet to perform the pump suction hole sealing operation.
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