초록 ▼

An operative unit (1) advances containers (2) along a conveying line (3) and transfers the containers from the conveying line to one weighing station (4) and vice-versa. An endless conveyor (6) of the operative unit passes through the weighing station (4) and a sliding track (S), on which the contai

An operative unit (1) advances containers (2) along a conveying line (3) and transfers the containers from the conveying line to one weighing station (4) and vice-versa. An endless conveyor (6) of the operative unit passes through the weighing station (4) and a sliding track (S), on which the containers (2) move, is disposed parallel to the conveyor (6). Moving modules (70) are removably fastened to the conveyor and move the containers (2) on the sliding track (S) A platform (8) forms a portion of the sliding track (S) and is situated in correspondence to the weighing station (4). The containers (2) supported by the platform (8) are temporarily disengaged from the moving means (70) and placed in the weighing station (4).

대표청구항 ▼

1. An operative unit (1) for advancing containers (2) along a conveying line (3) and for transferring the containers from the conveying line to at least one weighing station (4) and vice-versa, the operative unit including: an endless conveyor (6) passing through the weighing station (4); a slid

1. An operative unit (1) for advancing containers (2) along a conveying line (3) and for transferring the containers from the conveying line to at least one weighing station (4) and vice-versa, the operative unit including: an endless conveyor (6) passing through the weighing station (4); a sliding track (S) on which said containers (2) move, said sliding track being parallel to said conveyor (6); said unit being characterized in that it further includes: moving means (70) for moving said containers (2) on said sliding track (S), said moving means being removably fastened to said conveyor (6); a platform (8) forming a portion of said sliding track (S) situated in the region of said weighing station (4); driving means (40,50,10) connected to said platform for temporarily disengaging said containers (2) supported by the platform (8) from said moving means (70) and for placing said containers (2) in engagement with weighing means (11) of said weighing station (4). 2. An operative unit, according to claim 1, wherein said driving means (40,50,10) move said platform (8), maintaining its horizontal position, between a transport position (X1), in which said containers (2) to be weighed are being moved, and a weighing position (X2), in which said containers (2) are disengaged from said conveying line (3) and placed on said weighing means (11). 3. An operative unit, according to claim 2, wherein said platform (8) has apertures (13) and said weighing means (11) include supporting means (12) for supporting the containers (2) with arrangement matching said apertures, said weighing means (11) protruding from said apertures (13) of said platform (8) when said platform is in said weighing position (X1). 4. An operative unit, according to claim 1, wherein said platform (8) is carried by two vertical lateral struts (8A,8B), and said driving means (40,50,10) of the platform (8) include: two four-bar linkages (40,50), with each four-bar linkage hinged, at one side to a corresponding strut of said lateral struts (8A,8B), and at another side to a stationary structure (17); and a driving member (10) for driving said four-bar linkages (40,50), said driving member (10) acting on at least one bar (40a,50a) of said four-bar linkages (40,50). 5. Unit, according to claim 1, wherein said moving means (70) feature holding seats (106) for receiving corresponding containers (2) during advancement. 6. An operative unit, according to claims 2, wherein said moving means (70) feature holding seats (106) for receiving corresponding containers (2) during advancement, and said platform (8) is moved from the transport position (X1) to the weighing position (X2) while keeping each container (2) matching a corresponding holding seat (106). 7. An operative unit, according to claim 1, characterized in that said moving means (70) are made of antistatic material. 8. An operative unit, according to claim 1, wherein said conveying line (3) includes a striker (110), made of conducting material and connected to ground, with moving means (70) rubbing against said striker (110) at least in the region of said weighing station (4). 9. An operative unit, according to claim 1, wherein said sliding track (S) includes: a first stationary part (S), defined by a running surface (5) and by a lateral sliding side bar (7), said lateral sliding side bar (7) having adjustable position and being situated in front of said moving means (70); and a second part (S1), defined by said platform (8) and a lateral guide (177), situated on said platform (8) in adjustable position and in front of said moving means (70).