A method for monitoring pressure and penetration of a vehicle light welding fixture

Abstract

The application discloses a kind of car lamp welding fixture pressure and penetration monitoring method, comprising the following steps: the upper and lower parts of welding car lamp are respectively loaded into upper fixture, lower fixture, servo pushes lower fixture to make mold closing motion upward;After the contact of upper and lower parts, pressure sensor generates pressure indication, reaches the pre-pressing pressure of set mold closing welding position, and then starts welding;When the pressure indication of pressure sensor reaches the preset melting pre-pressing pressure, pressure maintaining is carried out;When displacement sensor reaches preset penetration, stop welding melting;Start to open mold, servo pushes lower fixture to make mold opening motion downward, and the readings of pressure sensor and displacement sensor gradually decrease to zero during the period of time.A beneficial effect: the innovation cooperates with pressure indication and displacement indication, accurately controls welding position and preset penetration position, and accurately monitors the state of welding at any time through double indication, quantitatively controls welding process, reduces welding problems and improves welding quality.

Images