This bachelor thesis deals with the proposal of the liners automated insertion into the injection molding machine form. The task and the new construction requirements are specified in the first part. Further, the analysis of the problematics is performed. There are the possibilities of the orientation, gripping and manipulation with the part described in more details. The second part contains the suggestion of solution options and the structural design of the chosen option that is supplemented by the dimensioning of selected structural elements. The thesis includes the 3D model created in the Autodesk Inventor Professional 2018 application and the drawing documentation of selected construction nodes