Bidirectional transfer device, rgv and liquid injection apparatus

A bidirectional transfer device, comprising:

• a bidirectional transfer base;
• a bidirectional transfer arm assembly, wherein the bidirectional transfer arm assembly is movably disposed on the bidirectional transfer base;
• a bidirectional transfer driving assembly, wherein the bidirectional transfer driving assembly is respectively connected to the bidirectional transfer base and the bidirectional transfer arm assembly, the bidirectional transfer driving assembly is configured for driving the bidirectional transfer arm assembly to move along a first direction and the bidirectional transfer driving assembly is configured for driving the bidirectional transfer arm assembly to move along a second direction, and the first direction and the second direction are opposite to each other;
• a bidirectional transfer auxiliary assembly, wherein the bidirectional transfer auxiliary assembly is connected to the bidirectional transfer arm assembly, the bidirectional transfer auxiliary assembly is movable relative to the bidirectional transfer arm assembly, the bidirectional transfer auxiliary assembly comprises a bidirectional auxiliary push-pull component, a bidirectional transfer auxiliary mounting plate and an auxiliary lifting driver, the auxiliary lifting driver is connected to the bidirectional transfer auxiliary mounting plate, the bidirectional auxiliary push-pull component is connected to an output end of the auxiliary lifting driver;
• two ends of the bidirectional auxiliary push-pull component along the first direction are respectively provided with an auxiliary push-pull connecting component, and the auxiliary push-pull connecting component is configured for connecting a liquid injection jig;
• a bidirectional transfer auxiliary driving assembly, wherein the bidirectional transfer auxiliary driving assembly is respectively connected to the bidirectional transfer auxiliary assembly and the bidirectional transfer arm assembly, the bidirectional transfer auxiliary driving assembly is configured for driving the bidirectional transfer auxiliary assembly to move along the first direction relative to the bidirectional transfer arm assembly, and the bidirectional transfer auxiliary driving assembly is configured for driving the bidirectional transfer auxiliary assembly to move along the second direction relative to the bidirectional transfer arm assembly;
• a transfer auxiliary fixing assembly, wherein the transfer auxiliary fixing assembly is connected to the bidirectional transfer base, and the transfer auxiliary fixing assembly is configured for fixing the liquid injection jig;
• and
• a first transfer positioning sensor, wherein the first transfer positioning sensor is connected to the bidirectional transfer base, and the first transfer positioning sensor is configured for detecting a moving position of the liquid injection jig on the bidirectional transfer device.