Assemblies, systems, and methods for stacking, destacking, or stacking and destacking a plurality of trays that includes a conveyor having a first rail and a second rail; a lift subassembly configured to stack or destack a plurality of trays having predetermined dimensions, the lift subassembly comprising a first set of arms slidably coupled to a lift plate; a second set of arms slidably coupled to the lift plate; and a bracket configured to slidably couple the lift subassembly to the first rail and the second rail, wherein the first rail, the second rail, or the first and second rails are adjustable along the bracket of the lift subassembly to correspond to the predetermined dimensions of the plurality of trays, and wherein each of the first and second sets of arms are independently adjustable to correspond to the predetermined dimensions of the plurality of trays.

An adjustable screw conveyor includes a plurality of adjustable helical blades disposed in an enclosure having an inlet at a first end of the enclosure and an outlet at a second end of the enclosure, where the plurality of adjustable helical blades includes a first blade and a second blade. The adjustable screw conveyor further includes the plurality of adjustable helical blades being coupled to a first shaft via a plurality of pitch adjustment modules, where a pitch between the first blade and the second blade of the plurality of adjustable helical blades is adjustable.

An apparatus for loading and accumulating semi-finished plate-like pieces, in particular lenses, includes a support structure and a piece warehouse which is associated with the support structure for moving the pieces from a piece inlet portion to a piece outlet portion along a warehouse axis. The warehouse includes augers extending parallel to the warehouse axis along respective longitudinal axes and are arranged around the warehouse axis to jointly delimit transverse seats with respect to the warehouse axis. Each seat accommodates a semi-finished plate-like piece. A system coordinates positioning of the augers for varying a distance of each auger from the warehouse axis to vary a radial dimension of the transverse seats. A system rotates each auger around the relevant longitudinal axis in a synchronized manner to cause movement of the pieces parallel to the warehouse axis from the inlet portion to the outlet portion.

A rack for transporting and/or storing building elements is provided which are used for building rotor blades of wind turbines, wherein the rack includes a holding structure and several holding arms which are attached or attachable to the holding structure, wherein the holding arms are arranged offset in several rows when they are in a holding position in which they project from the holding structure, wherein the holding arms arranged in each row build a respective reception plane for receiving at least one building element extending over at least several of the holding arms of this row, wherein at least two vertically staggered reception planes are built, wherein at least one of the holding arms is movable from the holding position into a non-holding position, in which the respective holding arm is moved out of the storage space above the reception plane below the upper reception plane, and vice versa.

A launcher of paper products for packaging stations of paper product converting lines, including a frame where at least two launch channels are provided, on which the products to be launched are arranged, and wherein each launch channel has opposite movable surfaces, at least one of which being motorized, arranged in contact with opposite sides of the respective product housed in the channel, to drag the product in the launch direction, characterized in that the two opposite movable surfaces are arranged below and above the space that can be occupied by the product in the respective channel, so as to drag the product by acting on the lower and upper sides thereof.

Assemblies, systems, and methods for stacking, destacking, or stacking and destacking a plurality of trays that includes a conveyor having a first rail and a second rail; a lift subassembly configured to stack or destack a plurality of trays having predetermined dimensions, the lift subassembly comprising a first set of arms slidably coupled to a lift plate; a second set of arms slidably coupled to the lift plate; and a bracket configured to slidably couple the lift subassembly to the first rail and the second rail, wherein the first rail, the second rail, or the first and second rails are adjustable along the bracket of the lift subassembly to correspond to the predetermined dimensions of the plurality of trays, and wherein each of the first and second sets of arms are independently adjustable to correspond to the predetermined dimensions of the plurality of trays.

Described is a device for treating products, which includes a tool and a movable support of the tool for treating products. Each support is slidably mounted along a rail and includes a blocker that can be actuated by locking, an actuator for locking and unlocking the blocker, a power supply for the actuator, at least one member for coupling with said support, a relative and indexed motorization between the member and the support. The member incorporates the actuator, allowing power to be supplied to the blocker.

An adjustable screw conveyor includes a plurality of adjustable helical blades disposed in an enclosure having an inlet at a first end of the enclosure and an outlet at a second end of the enclosure, where the plurality of adjustable helical blades includes a first blade and a second blade. The adjustable screw conveyor further includes the plurality of adjustable helical blades being coupled to a first shaft via a plurality of pitch adjustment modules, where a pitch between the first blade and the second blade of the plurality of adjustable helical blades is adjustable.