Device for transmitting torque from a drive side to a roller side of a rolling mill.

Abstract

Device (1) for transmitting a torque from a drive side (A) to a roll side (W) of a rolling mill for rolling a material, wherein the device (1) comprises: a drive-side sleeve (10) which can be coupled to a hub (2) of the drive side (A) in a rotationally fixed manner, a roll-side sleeve (20) which can be coupled to a journal of the roll side (W) in a rotationally fixed manner, and a spindle (30) which is mounted at opposite ends in the drive-side sleeve (10) and the roll-side sleeve (20) in a rotationally fixed and axially displaceable manner, characterized in that the drive-side sleeve (10) has a toothed section (3a) on the drive side (A) which can be brought into engagement with a corresponding toothed section (3b) of the hub (2) of the drive side (A), thereby forming a face tooth (3) for the rotationally fixed connection of the drive-side sleeve. (10) can be made to the hub (2) of the drive side (A).

Claims

Device (1) for transmitting a torque from a drive side (A) to a roll side (W) of a rolling mill for rolling a material, wherein the device (1) comprises: a drive-side sleeve (10) which can be coupled to a hub (2) of the drive side (A) in a rotationally fixed manner, a roll-side sleeve (20) which can be coupled to a journal of the roll side (W) in a rotationally fixed manner, and a spindle (30) which is mounted at opposite ends in the drive-side sleeve (10) and / or the roll-side sleeve (20) in a rotationally fixed and axially displaceable manner, characterized in that the drive-side sleeve (10) has a toothed section (3a) on the drive side (A) which can be engaged with a corresponding toothed section (3b) of the hub (2) of the drive side (A), thereby forming a face tooth (3) for the rotationally fixed connection of the drive-side sleeve. (10) can be made to the hub (2) of the drive side (A). Device (1) according to claim 1, characterized in that the tooth section (3a) of the drive-side sleeve (10) has teeth (3c) which protrude in an axial direction, wherein the teeth (3c) are preferably arranged circularly and concentrically around a central axis of the drive-side sleeve (10) and the hub (2). Device (1) according to claim 1 or 2, characterized in that the drive-side sleeve (10) and the hub (2) can be secured to each other in addition to the face teeth (3), in particular by means of a screw connection (4). Device (1) according to one of the preceding claims, characterized in that a drive-side lubricant chamber (11) for receiving a lubricant is formed in the drive-side sleeve (10), which is fluid-tightly closed on the drive side (A) by an end section (12), wherein the tooth section (3a) of the drive-side sleeve (10) of the end toothing (3) is formed on the end section (12). Device (1) according to claim 4, characterized in that the spindle (30) has a spindle shaft (31) and a tubular spindle shell (32) surrounding the spindle shaft (31), and a roller-side lubricant chamber (21) for receiving the lubricant is formed in the roller-side sleeve (20), wherein the two lubricant chambers (11, 21) are fluidly connected to each other via a channel system (33) in the spindle (30), wherein the channel system (33) comprises a central channel (33a) extending axially and centrally in the spindle shaft (31) and a shell channel (33b) extending between the spindle shaft (31) and the spindle shell (32). Device (1) according to claim 5, characterized in that the spindle shaft (31) has at least one spiral groove (31b) on its outer circumference and is inclined relative to the tubular spindle shell (32), whereby the lubricant can be transported in the shell channel (33b) along a forward direction (F). Device (1) according to claim 6, characterized in that the relative position between spindle shaft (31) and spindle shell (32) is variable, wherein preferably at least one hit (15, 25) is installed which is arranged such that when the spindle (30) is rotated, a central axis (Xw) of the spindle shaft (31) performs a periodic circular motion about a central axis (XM) of the spindle shell (32), as seen in a cross-section of the spindle (30), wherein preferably exactly two hits (15, 25) are installed at the two ends of the spindle (30) in order to perform a rotary motion at both ends of the spindle shaft (31). System comprising a device (1) according to one of the preceding claims and a hub (2) which are positively connected and rotationally fixed to each other via the face teeth (3) on the drive-side sleeve (10). Device (1) for transmitting a torque from a drive side (A) to a roll side (W) of a rolling stand for rolling a rolled material, wherein the device (1) comprises: a spindle (30) comprising a spindle shaft (31) and a tubular spindle shell (32) surrounding the spindle shaft (31), and a channel system (33) of the spindle (30) for transporting a lubricant, wherein the channel system (33) comprises a central channel (33a) extending axially and centrally in the spindle shaft (31), and a shell channel (33b) extending between the spindle shaft (31) and the spindle shell (32), characterized in that the spindle shaft (31) has at least one spiral groove (31b) on its outer circumference and is inclined relative to the tubular spindle shell (32), whereby the lubricant can be transported in the shell channel (33b) along a forward direction (F). Device (1) according to claim 9, characterized in that the relative position between spindle shaft (31) and spindle shell (32) is variable, wherein preferably at least one hit (15, 25) is installed which is arranged such that when the spindle (30) is rotated, a central axis (Xw) of the spindle shaft (31) performs a periodic circular motion about a central axis (XM) of the spindle shell (32), as seen in a cross-section of the spindle (30), wherein preferably exactly two hits (15, 25) are installed at the two ends of the spindle (30) in order to perform a rotary motion at both ends of the spindle shaft (31). Device (1) according to claim 9 or 10, characterized in that the device (1) has a drive-side sleeve (10) which can be coupled to a hub (2) of the drive side (A) in a rotationally fixed manner, and a roller-side sleeve (20) which can be coupled to a pin of the roller side (W) in a rotationally fixed manner, wherein opposite ends of the spindle (30) are mounted accordingly in the drive-side sleeve (10) and / or the roller-side sleeve (20) in a rotationally fixed and axially displaceable manner. Device (1) according to claim 11, characterized in that the drive-side sleeve (10) has a tooth section (3a) on the drive side (A) which can be engaged with a corresponding tooth section (3b) of a hub (2) of the drive side (A), whereby a face toothing (3) can be produced for rotationally fixed connection of the drive-side sleeve (10) to the hub (2) of the drive side (A). Device (1) according to claim 12, characterized in that the tooth section (3a) of the drive-side sleeve (10) has teeth (3c) which protrude in the axial direction, wherein the teeth (3c) are preferably arranged circularly and concentrically around a central axis of the drive-side sleeve (10) and the hub (2), wherein the drive-side sleeve (10) and the hub (2) can be secured to each other in addition to the face teeth (3) in particular by means of a screw connection (4). Device (1) according to one of claims 11 to 13, characterized in that a drive-side lubricant chamber (11) is formed in the drive-side sleeve (10) and a roller-side lubricant chamber (21) is formed in the roller-side sleeve (20) for receiving the lubricant, wherein the two lubricant chambers (11, 21) are fluidly connected to each other via the channel system (33) of the spindle (30). Device (1) according to claim 12 or 13 and claim 14, characterized in that the drive-side lubricant chamber (11) on the drive side (A) is fluid-tightly sealed by an end section (12), wherein the tooth section (3a) of the drive-side sleeve (10) of the face toothing (3) is formed on the end section (12).

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