Platform connecting frame for 3D printer

The platform connecting frame for the 3D printer comprises an upper-layer frame and a plurality of lower-layer frames, and the lower-layer frames are evenly distributed and connected with the upper-layer frame. According to the platform connecting frame for the 3D printer, the connecting frame is designed into the upper-layer frame and the lower-layer frames, the upper-layer frame is supported by the three equally-arranged lower-layer frames, the lower-layer frames are designed to be of a linear structure, it is guaranteed that the upper-layer frame is sufficiently borne, the occupied space of the whole machine is reduced, and other functional devices are arranged in the reserved space. 本实用新型公开一种3D打印机用平台连接架，包括上层架和多个下层架，多个下层架均等分布并与上层架连接；本3D打印机用平台连接架，将该连接架设计成上层架和下层架，利用三个均等布局的下层架对上层架做支撑作用，下层架采用一字型结构设计，在保证对上层架足够的承载，并减少对整机占用空间，利用在该预留的空间布局其他功能装置。