Patent ID: 8763860
Filing Date: 2014-07-01
Classification: B05C,B67D,Y10T

Abstract:
1. A liquid material ejector comprising: a liquid material supply port through which the liquid material is supplied, a nozzle for ejecting the liquid material, a valve block having a metering bore to be filled with the ejected liquid material and a liquid material supply channel communicating with the liquid material supply port, a selector valve having a first channel for allowing communication between the metering bore and the liquid material supply channel and a second channel for allowing communication between the metering bore and the nozzle, a plunger advancing and retracting in the metering bore, a plunger driving section for driving the plunger, a valve driving section for driving the selector valve, and a transmission section for transmitting driving power from the valve driving section to the selector valve, wherein the plunger driving section includes a plunger driving actuator and the valve driving section includes a valve driving actuator, wherein the plunger driving actuator, the valve driving actuator and the valve block are arranged in a longitudinal direction, wherein the plunger driving section, the valve driving section, and the valve block are arranged successively in the longitudinal direction, the plunger driving section being positioned between the valve driving section and the valve block, and wherein the transmission section comprises a main drive gear connected to the valve driving section, a subordinate driven gear connected to the selector valve, and a power transmission belt for transmitting a driving force of the main drive gear to the subordinate driven gear.