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[CN 201910456212.3] Mechanical and electrical protection device for closing height adjustment of mechanical press


[CN 201910456212.3] Mechanical Press Closure Height Adjustment Electromechanical Protection Device Title: Mechanical Press Closure Height Adjustment Electromechanical Protection Device Application Number: CN 201910456212.3 Applicant: Rongcheng East China Forging Machine Tool Co., Ltd.; Yan Haozhe Application Date: 2019-5-29 Patent Type: Application for Invention This mechanical press closure height adjustment electromechanical protection device relates to the field of mechanical presses, including a limit stop that moves with the adjusting screw installed at the lower end of the adjusting screw, the outer side of the limit stop is vertically spaced with two brake ring axle tables, the outer side of the connecting piece is provided with a travel switch matched with the limit stop to detect the running stroke of the adjusting screw, the travel switch is arranged between the two brake ring axle tables, and the travel switch is connected with the controller; the outer side of the connecting piece is also provided with a positioning piece matched with the limit stop, and one of the limit stop and positioning piece is equipped with a boss, the other is vertically spaced with two convex annular tables, the boss is arranged between the two convex annular tables, and the spacing between the two brake annular tables is less than the spacing between the two convex annular tables. It uses machinery and electrical appliances to achieve double protection, and can use mechanical damage to protect machinery in the case of electrical protection failure, which has the advantages of safety and reliability.