Patent ID: 11858184
Assignee: ANHUI YANGZI FLOORING INCORPORATED COMPANY
Field: Other special machines (Mechanical engineering)
Classification: CPC B  E | IPC B  E

Claim 6:
7. The production method according to claim 1, wherein in step 8, the upper mold comprises a fastening plate, a connecting port, straight flow channels, curved flow channels, a cooling plate and an upper molding plate, wherein the fastening plate, the connecting port, the straight flow channels, the curved flow channels, the cooling plate and the upper molding plate are arranged in sequence from top to bottom and connected to the supporting frame of the injection molding machine; the upper molding cavity is provided on the upper molding plate; the fastening plate is provided with a second through hole opposite to the first through hole; a third through hole is provided at a middle of the straight flow channels; a top of the connecting port is connected to the second through hole, and a bottom of the connecting port is connected to the third through hole; at least two straight material channels are embedded in the straight flow channels, and inlets of the at least two straight material channels communicate with the third through hole; a number of the curved flow channels is equal to a number of the at least two straight material channels; fourth through holes are respectively provided at middles of the curved flow channels; outlets of the at least two straight material channels respectively communicate with the fourth through holes; a plurality of curved material channels are embedded in the curved flow channels, and inlets of the plurality of curved material channels respectively communicate with the fourth through holes; the cooling plate is embedded with locking pin tubes, wherein a number of the locking pin tubes is identical to a number of the plurality of curved material channels; outlets of the plurality of curved material channels respectively communicate with inlets of the locking pin tubes in one-to-one correspondence; the upper molding cavity is internally provided with lock-shaped adhesive ports; and outlets of the locking pin tubes respectively communicate with the lock-shaped adhesive ports of the upper molding cavity.