Die bonding device of photoelectric coupler tube shell

The utility model provides a die bonding device of a photoelectric coupler tube shell. The die bonding device comprises a tray and a pressing plate. A plurality of optocoupler placing grooves are formed in the tray in parallel, pin grooves are machined in the two sides of each optocoupler placing groove, a partition plate is arranged between every two adjacent optocoupler placing grooves, a plurality of magnets are fixed to each partition plate, a plurality of crystal fixing holes are formed in the pressing plate, the positions of the crystal fixing holes are opposite to the positions of the optocoupler placing grooves, and a plurality of pressing pieces are arranged on the side faces of the crystal fixing holes. According to the utility model, the pressing plate is arranged in the tray according to the positioning pin holes at the two sides, so that a tube shell of a product can be directly pressed on the base, the product is firmly locked in the device without shaking, the production efficiency can be great