PTA (pure terephthalic acid) double-cavity tube forming die

The utility model provides a PTA (pure terephthalic acid) double-cavity tube forming mold which comprises a PTA three-way plastic base body, a PTA protective sleeve, a PTA double-cavity tube, an inclined core-pulling insert core, an inclined core-pulling insert core insert, an inclined core-pulling bent mandrel, a straight core-pulling insert core and a straight core-pulling inner needle, the inclined core-pulling insert core insert is embedded in the inclined core-pulling insert core, the top of the inclined core-pulling insert core is provided with an inclined core-pulling bent mandrel, the bottom of the inclined core-pulling insert core is a tip end and is inserted into the PTA three-way plastic base body through the first opening part, the PTA double-cavity pipe is inserted into the PTA sheath pipe, and the PTA double-cavity pipe is inserted into the PTA three-way plastic base body through the second opening part. The PTA protective sleeve is inserted into the PTA three-way plastic base body through the s