Centering tool, centering device and cutting equipment

The embodiment of the utility model provides a centering tool, a centering device and cutting equipment, and the centering tool comprises a tool base plate; the tool test piece is arranged on the tool substrate; one end of the tool test piece is provided with a seam for accommodating a cutting line; a preset distance is formed between the seam and a reference surface of the tool substrate, and the reference surface is a side surface parallel to the depth direction of the seam in the tool substrate. According to the centering tool, the centering device and the cutting equipment provided by the embodiment of the invention, the centering mechanism in the centering device can be tested. 本申请实施例提供一种对中工装、对中装置及切割设备，其中，对中工装包括：工装基板；工装测试件，设置于所述工装基板上；工装测试件的一端设有用于容纳切割线的线缝；所述线缝与工装基板的基准面之间具有预设距离，所述基准面为工装基板中与线缝深度方向平行的侧面。本申请实施例提供的对中工装、对中装置及切割设备能够对对中装置中的对中机构进行测试。