BG108438A - Device for tobaco leaves stringing - Google Patents

Abstract

The device is used in the tobacco industry. It is of mobile and compact design, which can easily be assembled, disassembled and transported, at the same time being reliable and safe in operation. The device comprises a vertical column (1), to which dismantably a supporting step (2), inclined conveyor (5), supporting frame (6) and control unit (38) are connected. In the middle part of frame (6) a stringing chamber (7) is fitted having on both its sides left-hand and right-hand boxes (8, 9) with longitudinal notches in which protection covers (10, 11) are fitted, resting by one of their ends to chamber (7), and its other end resting in the limit switches (41, 42). In boxes (8, 9) right-hand (13) and left-hand (14) motors are fitted along a longitudinal axis (12), the shafts of which are connected to right-hand and left-hand cranks (15, 16), resting on a right-hand and left-hand sliding arm (17, 18), respectively, pivotally connected to needle holders (21, 22) with longitudinal grooves, housing a two-sides straight needle (25) in one of them, which is being engaged concentrically in a passage hole, machined in a needle fixer (23, 24). In the middle part of needle (25) there is a diametrical hole (29), in the shape of an oval, and at both conical ends the angle alpha formed is of 15 to 35 degrees, The device for stringing the tobacco leaves comprises a string (30) and a towing hook (31), string (30) being directly fitted to the oval hole (29), and its other being fitted to hook (31), which is fixed to the rear end of the section inclined conveyor (5).