Coffee brewing device

A coffee brewing device, comprising a brewing head assembly, a powder box assembly, a screw assembly, a body fixing frame assembly, a movable frame assembly and a powder guide box assembly which are correspondingly provided, wherein the body fixing frame assembly comprises a left body fixing frame on the left side and a right body fixing frame on the right side, a direction-variable first movement trajectory is provided on the left body fixing frame, the first movement trajectory comprises two or more segments of movement trajectory, the left body fixing frame is in an integral structural form or a multi-piece structural form, a direction-variable second movement trajectory is provided on the right body fixing frame, the second movement trajectory comprises two or more segments of movement trajectory, the right body fixing frame is in an integral structural form or a multi-piece structural form, and the left body fixing frame and the right body fixing frame jointly realize the direction-variable movement of the powder box assembly, the swinging of the powder box assembly, the movement for adding coffee powder, the movement for pressing coffee powder for brewing, the movement for pushing out residues and the movement for scraping residues, wherein the first movement trajectory comprises a first powder box trajectory, a first residue pushing-out shaft trajectory and a first supporting frame trajectory, points at which the first powder box trajectory is bent from top to bottom are respectively a powder pressing top end A1, a powder box swinging start point B1, a powder box swinging outermost point C1, a residue scraping start point D1 and a residue scraping end point E1, the first residue pushing-out shaft trajectory comprises a residue pushing-out shaft highest point F1 and a residue pushing-out shaft lowest point G1, the first supporting frame trajectory comprises a supporting frame highest point H1 and a supporting frame lowest point I1, the second movement trajectory comprises a second powder box trajectory, a second residue pushing-out shaft trajectory, a second supporting frame trajectory and a residue scraping inclined surface trajectory, points at which the second powder box trajectory is bent from top to bottom are respectively powder pressing top end A2, a powder box swinging start point B2, a powder box swinging outermost point C2, a residue scraping start point D2 and a residue scraping end point E2, the second residue pushing-out shaft trajectory comprises a residue pushing-out shaft highest point F2 and a residue pushing-out shaft lowest point G2, the second supporting frame trajectory comprises a supporting frame highest point H2 and a supporting frame lowest point I2, and the residue scraping inclined surface trajectory comprises a residue scraping inclined surface contact start point J2 and a residue scraping inclined surface contact end point K2.