The invention discloses a feeding device. The feeding device comprises a jig, a rack, a first conveying mechanism and second conveying mechanisms, wherein the first conveying mechanism comprises a conveying driving assembly and a bearing guide assembly which are arranged on the rack, the bearing guide assembly comprises a bearing conveying piece and a guide rail which are arranged on the rack and are in parallel with each other, the jig loaded with a workpiece is born by the bearing conveying piece and is in sliding fit with the guide rail, and the conveying driving assembly is associated with the jig or the bearing conveying piece to drive the jig to move along a direction in parallel with the guide rail; at least one clamping station is distributed on the rack along a direction in parallel with the guide rail, any clamping station is correspondingly provided with a second conveying mechanism, each second conveying mechanism comprises a turnover assembly and at least one clamping assembly which are arranged on the rack, the clamping assembly is connected to the turnover assembly, an avoiding part which is distributed along the pivoting direction of the clamping assembly and is used for avoiding the turnover action of the jig is arranged at the clamping station on the guide rail, the clamping assembly is provided with an auxiliary guide rail corresponding to the avoiding part, and the jig is in sliding fit with the auxiliary guide rail.