Automatic bumper of cement pipe

• Main Author: GUOGUANG ZHOU
• Format: Patent
• Language: English
• Published: 08.10.2003
• Edition: 7
• Subjects: PERFORMING OPERATIONS; SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER; TRANSPORTING; WORKING CEMENT, CLAY, OR STONE

The utility model relates to an automatic demoulding device of a cement pipe, which belongs to a construction tool. The utility model aims to provide an automatic demoulding device of a cement pipe so as to overcome the defects of manually demoulding operation of large work intensity, low efficiency and difficult protection of production quality. The utility model comprises an inner mould and is characterized in that the utility model also comprises a radial contraction mechanism which is composed of an inner mould body, a sliding seat, a sliding sleeve, a push rod, a pin, a pin sleeve, a nut, a connecting plate, a sealing plate, a square rod, an adjusting screw rod and a convex lug, wherein, the sealing plate positioned at the right end of the mechanism is welded together with the square rod; the convex lug is connected with the inner mould body and the connecting plate; the sliding seat positioned at the left end of the mechanism is welded together with a steel rail 9; the adjusting screw rod is connected with the square rod through the nut; the push rod is connected with the sliding sleeve in a sliding way; the right end of the push rod is connected with the adjusting screw rod through screw threads, and the left end is connected with the sliding seat through the pin and the pin sleeve. The utility model is mainly used for the automatically demoulding operation of the cement pipe.