Chain conveyor system and chain machine

Abstract

The invention relates to a chain transport device (1) for a chain machine (100), wherein the chain machine (100) is designed for producing and / or testing a chain (K) that can be transported by means of the chain transport device (1), wherein the chain transport device (1) comprises: a sprocket (2) with adjustable pitch (p), wherein the sprocket (2) is rotatable about its wheel axis (3) in order to drive a chain (K) to be transported in a positive-locking manner, wherein the sprocket (2) has a number of drive elements (4) each for positively engaging a chain link (KG) of the chain (K) to be driven, wherein the drive elements (4) are radially adjustable with respect to the wheel axis (3) in order to adjust the pitch (p) of the sprocket (2).

Claims

Chain transport device (1) for a chain machine (100), wherein the chain machine (100) is designed for producing and / or testing a chain (K) that can be transported by means of the chain transport device (1), wherein the chain transport device (1) comprises: - a sprocket (2) with adjustable pitch (p), wherein the sprocket (2) is rotatable about its wheel axis (3) in order to drive a chain (K) to be transported in a positive-locking manner, - wherein the sprocket (2) has a number of drive elements (4) each for positively engaging a chain link (KG) of the chain (K) to be driven, - wherein the drive elements (4) are radially adjustable with respect to the wheel axis (3) in order to adjust the pitch (p) of the sprocket (2). Chain transport device (1) according to claim 1, characterized in that the drive elements (4) are adjustable radially inwards and / or radially outwards with respect to the wheel axis (3) while maintaining a constant pitch angle (τ) of the sprocket (2), in particular synchronously, in order to adjust the pitch (p) of the sprocket (2). Chain transport device (1) according to claim 1 or 2, characterized in that the sprocket (2) has at least one, in particular end-face, transport disc (5) which extends orthogonally to the wheel axis (3), in particular in a plate-like and / or substantially circular manner, wherein the drive elements (4) are guided radially, in particular in a straight line, on the transport disc (5). Chain transport device (1) according to one of claims 1 to 3, characterized in that the chain transport device (1) has a detachable drive attachment device (6) which is designed for, in particular force-fit, fastening the drive elements (4), in particular with respect to a transport disc (5) of the sprocket (2), at a uniformly set radial distance (RA) of the drive elements (4) relative to the wheel axle (3). Chain transport device (1) according to one of the preceding claims, characterized in that the chain transport device (1) has a gear unit (7) which is designed for synchronous radial adjustment of the drive elements (4) radially inwards and / or radially outwards. Chain transport device (1) according to claims 4 and 5, characterized in that the chain transport device (1) has a releasable locking device (8) which is designed to releasably lock either the transport disc (5) or at least a gear element (9) of the gear device (7) operatively connected to the gear elements (4) relative to a base (10) of the chain transport device (1) when the drive elements (4) are adjusted synchronously radially. Chain transport device (1) according to claim 5 or 6, characterized in that: - the transmission device (7) has a cam disk (11) arranged coaxially to the sprocket (2) and rotatably adjustable relative to the sprocket (2); - the cam disk (11) has a number of control cam sections (12), in particular rotationally symmetrical and arranged with respect to the wheel axis (3); - each drive element (4) is assigned a control cam section (12) which specifies the adjustment and / or a radial distance (RA) of the respective drive element (4) relative to the wheel axis (3); - in particular each drive element (4) has a cam roller (13) for following at least one control cam contour (14) of the control cam section (12) assigned to this drive element (4). Chain transport device (1) according to claim 7, characterized in that - the control cam sections (12) each have a control groove (15), - wherein a radially outer groove flank (16) of each of the control grooves (15) has a control cam contour (14, 14A) for adjusting the associated drive element (4) radially inwards, - wherein a radially inner groove flank (17) of each of the control grooves (15) has another control cam contour (14, 14B) for adjusting the associated drive element (4) radially outwards. Chain transport device (1) according to one of claims 5 to 8, characterized in that: - the transmission device (7) comprises a traction device (18), in particular a belt drive (19); - the traction device (18) comprises a first gear wheel (20) and a second gear wheel (21) as well as a traction element (22) coupling the movement of the first gear wheel (20) and the second gear wheel (21); - the first gear wheel (20) is arranged coaxially to the wheel axis (3) of the sprocket (2) and the second gear wheel (21) is arranged radially at a distance from the first gear wheel (20); - the first gear wheel (20) is rotationally fixed to a transmission element (9) of the transmission device (7) operatively connected to the drive elements (4), in particular to a cam disk (11) of the transmission device (7); - in particular, the second gear wheel (21) has a transmission contour (23) for, in particular, positive engagement.has a torque-transmitting grip on a tool and / or an operator's hand and / or an adjustment drive device of the chain transport device (1), in particular a controllable one. Chain transport device (1) according to one of the preceding claims, characterized in that the chain transport device (1) has a drive device (24), in particular an electric and / or pneumatic and / or hydraulic, for rotating the sprocket (2) about its wheel axis (3), in particular wherein the drive device (24) has a releaseable locking device (8), in particular a controllable, for releaseable locking of a sprocket drive shaft (25) of the chain transport device (1) relative to a base (10) of the chain transport device (1). Chain transport device (1) according to one of the preceding claims, characterized in that the drive elements (4) each have either a tooth section (26) or a chain sprocket section. Chain transport device (1) according to one of the preceding claims, characterized in that the drive elements (4) each have a centering contour (27), in particular notched, for positively centering a chain link (KG) carried along. Chain transport device (1) according to one of the preceding claims, characterized in that - the chain transport device (1) has a base (10) designed for attachment to a carrier (101) of a chain machine (100), - in particular wherein the chain transport device (1) has a lockable height adjustment device (28) designed for adjusting the sprocket (2) relative to the base (10) perpendicular to the wheel axle (3), in particular vertically. Chain machine (100) for manufacturing and / or testing a chain (K), wherein the chain machine (100) comprises: - a chain transport device (1) according to one of the preceding claims and - a tool device (102) for manufacturing and / or testing a chain (K) that can be transported by means of the chain transport device (1), in particular away from the tool device (102).

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