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Station chain link for chain conveyer

The invention relates to a station chain link for a chain conveyer. The station chain link comprises a hinge part (38) and a supporting part (39). A blade (28) for clamping and pushing a packing piece is fixed on the supporting part (39), and the supporting part (39) is divided by the blade (28) into a front supporting part (37) and a back supporting part (36). According to an annular hinge chain formed by multiple station chain links in a hinged mode, in the linear segment, the distance between two blades of two adjacent station chain links is equal to the width L of the packing piece. The length L5 of the supporting face of the front supporting part (37) is slightly smaller than the distance L1 between a folding sheet on the end portion and the back lateral face of the packing piece. A guiding face for guiding the folding sheet on the end portion to be folded is formed on the back end face of the back supporting part (36). After the packing piece is fed from the position of a supplying platform of the annular hinge chain, along with the movement process of the station chain links from a C-shaped part to a linear top branch, the blade of a later station chain link pushes the packing piece to get close to the blade of a past station chain link, the back end face of the back supporting part (36) enables the folding sheet on the end portion to be folded backwards to the end portion part, and the structure is simple.