Special mould for opening holes in porcelain surface

The utility model provides a special mould for tapping a porcelain surface, which belongs to the technical field of tapping positioning devices and comprises a template and a sucker. Sucking disc mounting holes are symmetrically formed in the template, and a plurality of positioning holes with different diameters are formed between the sucking disc mounting holes; a bolt penetrates through the center of the suction cup and penetrates through the suction cup installation hole to be connected with a nut. The punching device is simple in structure, convenient to assemble, low in cost, convenient to operate, convenient to popularize, firm in adsorption and accurate in positioning, effectively prevents finished products from being damaged by punching operation, reduces secondary rework construction cost, and improves punching efficiency and accuracy. 本实用新型提供一种瓷面开孔专用模具，属于开孔定位装置的技术领域，包括模板和吸盘；模板上对称设置有吸盘安装孔，吸盘安装孔之间设置有多个直径不同的定位孔；吸盘的中心穿设有螺栓，螺栓穿过吸盘安装孔与螺母连接。本实用新型结构简单，组装方便、成本低廉，操作方便，便于推广，吸附牢固，定位准确，有效避免开孔作业对成品的破坏，减少二次返工施工成本