The patent of the utility model relates to a press from both sides chapter device for automatic seal machine centre gripping seal, including threaded connection spare, adjusting spring, the anchor clamps body, clamping piece, wherein, threaded connection spare passes through the helicitic texture and links to each other with the anchor clamps body, and the not co -altitude of distance in order to adapt to a wide range of seal of seal bottom surface and clamp plate is adjusted to the rotatory screw of accessible, the adjusting spring is installed to threaded connection spare downside, the adjusting spring bottom is 30~50mm with the distance of clamping piece bottom, the clamping piece with the anchor clamps body links to each other through the bolt, and it will to configure the accessible clamping piece into the chapter handle of seal is fixed in on the anchor clamps body, the top of seal with the bottom contact of adjusting spring. The utility model discloses the beneficial effect who gains is: a wide range of big or small official seal's centre gripping can be adapted to, chapter portion bottom surface automatic adjustment is realized.