Mobile phone middle frame positioning jig

The utility model aims to provide the mobile phone middle frame positioning jig which is simple in structure, low in cost and high in universality. The device comprises a bottom plate and a first positioning module, the first positioning module is arranged on the bottom plate, the first positioning module comprises a first mounting block, a first supporting block and a plurality of first inner supporting blocks, the first mounting block is detachably connected to the bottom plate, and the first supporting block is detachably connected to the bottom plate. The first supporting block is connected to the first mounting block in a floating mode, the first inner supporting blocks are all arranged on the first supporting block, the bottom plate is provided with a plurality of second inner supporting blocks, and the first inner supporting blocks and the second inner supporting blocks are located on the two sides of the bottom plate respectively. The clamp is applied to the technical field of clamps. 本实用新型旨在提供一种结构简单，