GRAB-TYPE FEEDING APPARATUS OF FORMING PRESS Russian patent published in 1997 - IPC

FIELD: part transportation between working positions of die set. SUBSTANCE: apparatus includes grab guides 1,2 provided with clamps 3,4 and joined with lifting levers 5,6 suspended to closing balance beams 7,8. Lifting lever 5 by means of tie rod 9 is connected with lifting balance beam 14 joined with the aid of spatially arranged connecting rods 15,16 and double-arm lever 17 with lifting balance beam 10. Closing balance beam 7 joins with closing balance beam 8 by means of spatially arranged connecting rods 20,21 and double-arm lever 22. Right ends of grab guides 1,2 by means of shaft 23 provided with cardan-joint suspensions 24,25 are joined with carrying lever 26 provided with safety lever 27 fixed against rotation around lever 26 with the aid of spring-loaded latch 28. Safety lever 27 by means of adjustable connecting rd 29, double-arm lever 30 and spatially arranged connecting rod 31 is joined with balance beam 32 moving lengthwise. Balance beams 7,10,32 through rollers 11,18,33 engage with cams 12,19,34 mounted on cam shaft 45. Ends of grab guides 1,2 are in the form of cylindrical surfaces arranged in sleeves of lifting levers 5,6 jointly suspended to closing balance beams 7,8 and joined with balance beams 10,14 by means of tie rods 9, 13. EFFECT: increased length of vertical motion of guides, simplified design of lifting mechanism. 2 cl, 4 dwg