Hidden frame glass daylighting roof system with adjustable mounting angle

The utility model discloses a hidden frame glass daylighting roof system with an adjustable installation angle, which comprises a base connected with an anchoring piece of a main body steel structure and a hidden frame glass plate connected and fixed on the base, a ball head assembly is arranged between the base and the hidden frame glass plate, the ball head assembly comprises an adapter connected and fixed with the base, and the adapter is connected with the hidden frame glass plate. The adapter is provided with a ball head, the auxiliary frame of the hidden frame glass plate is provided with a ball head groove which is connected with the ball head in a matched mode, the ball head is connected with the ball head groove in a clamped mode, and a drainage groove is formed in the position, opposite to a gap between the two adjacent hidden frame glass plates, of the base so that secondary drainage can be conducted. Compared with the prior art, the gradient of the glass surfaces of the hidden frame glass plates i