An on-line dressing device for aluminum alloy processing rolls

Abstract

The utility model relates to aluminium alloy plate strip rolling production equipment technical field, concretely is a kind of aluminium alloy processing roll on -line dressing device, the two shaft heads of dressing roll are connected in the bearing hole of two telescopic small arms respectively, the shaft hole II of two telescopic big arms and the shaft hole I of two telescopic small arms are respectively connected through rotating shaft I rotation, two telescopic big arms lower end are respectively rotationally connected two pedestals, large hydraulic cylinder II base is rotationally connected on big arm truss, hydraulic cylinder II piston rod front end is rotationally connected on small arm truss, two hydraulic cylinder I base is respectively rotationally connected on two arches, two hydraulic cylinder I piston rod front end is respectively rotationally connected on two telescopic big arms upper portion, the utility model can be on -line through roll dressing mechanism and quickly repair roll, without stopping machine dismounting roll after roll is transferred to special grinding machine grinding treatment, greatly reduce labour intensity, shorten standby time, it is favorable for continuous long-period production and improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of aluminum alloy plate and strip rolling production equipment, specifically to an online grinding device for aluminum alloy processing rolls. Background Technology

[0002] Existing aluminum alloy sheet and strip rolling production equipment lacks online roll grinding devices. When roll surface quality issues such as stripes, color differences, width variations, and aluminum powder adhesion occur during roll use, the machine must be stopped, the rolls and bearing housings disassembled, and the rolls transported to a specialized grinding room for grinding before being transported back and reinstalled on the rolling mill. This entire process is time-consuming, labor-intensive, and severely impacts production rhythm and efficiency. Furthermore, the failure to promptly grind and repair roll surface defects leads to corresponding defects on the surface of the rolled aluminum alloy sheet and strip products, affecting product quality and yield. Utility Model Content

[0003] The purpose of this invention is to provide an online grinding device for aluminum alloy processing rolls, which can promptly solve roll surface quality problems such as roll surface stripes, color differences, width and narrow marks, and aluminum powder adhesion during roll use. It eliminates the need to stop the machine, disassemble the rolls, and transfer them to a special grinding machine for grinding, greatly reducing labor intensity, shortening standby time, and facilitating continuous long-cycle production and improving production efficiency.

[0004] Existing aluminum alloy sheet and strip rolling production equipment generally includes rolls, arches, bearing housings, and bases. Two rolls are provided, each with a bearing housing rotatably connected to both ends. Two arches are provided, with the bearing housings rotatably connected to both ends of each roll fixedly connected to the two arches. Each arch has two bearing housings connected to it. The two rolls are arranged vertically with a gap between them. Two bases are provided, each fixedly connected to the bottom of one of the two arches. To achieve the above technical effect, this utility model provides an online grinding device for aluminum alloy processing rolls, including a roll grinding mechanism. The roll grinding mechanism includes a grinding roll, a telescopic arm, a rotating shaft I, a hydraulic cylinder I, a telescopic boom, a boom truss, a fixing pin, a forearm truss, and a hydraulic cylinder II. The grinding roll includes a grinding wheel sleeve, a rotating shaft, and two shaft heads. Two shaft heads are provided, one at each end of the rotating shaft, and coaxial with the rotating shaft. The grinding wheel sleeve is fixedly wrapped around the outside of the rotating shaft, and the grinding wheel extends along the length of the rotating shaft. The ring completely covers the rotating shaft. There are two telescopic arms, each with a bearing hole and a shaft hole I at both ends. The two telescopic arms are arranged in parallel. The two shaft ends of the grinding roller are connected to the bearing holes of the two telescopic arms respectively. The arm truss is fixedly connected between the two telescopic arms, and the two ends of the arm truss are welded to the two telescopic arms respectively. There are two telescopic booms, each with a shaft hole II at its upper end. The shaft holes II of the two telescopic booms and the shaft holes I of the two telescopic arms are rotatably connected through a rotating shaft I respectively. The lower ends of the two telescopic booms are rotatably connected to two bases respectively. The boom truss is fixedly connected between the two telescopic booms, and the two ends of the boom truss are welded to the two telescopic booms respectively. The base of the hydraulic cylinder II is rotatably connected to the boom truss, and the front end of the piston rod of the hydraulic cylinder II is rotatably connected to the arm truss. There are two hydraulic cylinders I, and the bases of the two hydraulic cylinders I are rotatably connected to two arches respectively. The front ends of the piston rods of the two hydraulic cylinders I are rotatably connected to the upper part of the two telescopic booms respectively.

[0005] Furthermore, the roller grinding mechanism includes a cleaning mechanism, which includes a fixed frame, nozzles, and a cleaning fluid pipeline. There are two fixed frames, the lower ends of which are respectively welded to two telescopic arms, and the upper ends of which are respectively welded to the outer wall of the cleaning fluid pipeline. The axis of the cleaning fluid pipeline is set along the length of the grinding roller. There are multiple nozzles, all of which are fixedly connected to the cleaning fluid pipeline and are connected to the cleaning fluid pipeline. The multiple nozzles are linearly and evenly distributed along the length of the cleaning fluid pipeline, and the front ends of the multiple nozzles all face the roller.

[0006] Furthermore, each shaft head is connected to each bearing hole with a bearing.

[0007] Furthermore, a sealing ring is connected to the side of the bearing facing the rotating shaft, and the sealing ring is located inside the bearing hole. A pressure cap is connected to the side of the bearing away from the rotating shaft. The pressure cap is pressed onto the outer ring of the bearing. The pressure cap is connected to the telescopic arm by a fixing bolt. The pressure cap is provided with a through hole for the driving of the fixing bolt, and the telescopic arm is provided with a screw hole for the connection of the fixing bolt.

[0008] Furthermore, each of the two telescopic booms is provided with a rotating shaft II at its lower end. The rotating shaft II is located on the sidewalls of the two telescopic booms that are opposite to each other. The two rotating shafts II are rotatably connected to two bases, and the bases are provided with holes for the rotating shafts II to be rotatably connected.

[0009] Furthermore, the rotating shaft I has a boss at one end and a pin hole at the other end. The boss is located on the outside of the telescopic arm, and the pin hole is located on the outside of the telescopic forearm. A locking pin is connected inside the pin hole.

[0010] Furthermore, both hydraulic cylinder I bases are provided with fixing holes, and the fixing holes of both hydraulic cylinder I are rotatably connected to the two archways via fixing shafts. The two archways are provided with holes for connecting the fixing shafts. Furthermore, the piston rods of the two hydraulic cylinders I are rotatably connected to the upper part of the two telescopic booms via fixing pins. There are two fixing pins, one end of which is fixedly connected to the piston rod of the two hydraulic cylinders I, and the other end of which is not connected to the hydraulic cylinders I is rotatably connected to the upper part of the two telescopic booms. Each telescopic boom is provided with a hole for the fixing pins to rotatably connect.

[0011] Furthermore, the cleaning mechanism includes a control valve connected to one end of the cleaning fluid pipeline, and the end of the control valve away from the cleaning fluid pipeline is the cleaning fluid inlet, which is connected to the cleaning fluid supply pipeline.

[0012] The beneficial effects of this utility model are as follows: This utility model can promptly solve the roller surface quality problems such as roller surface stripes, color differences, width and narrow marks, and aluminum powder adhesion that occur during the use of rollers. It avoids the occurrence of corresponding defects on the surface of rolled aluminum alloy sheet and strip products due to the failure to repair roller surface defects in a timely manner, thereby affecting product quality and product yield. This utility model enables roller surface defects to be quickly repaired online through the roller repair and grinding mechanism during the roller production process, without the need to stop the machine to disassemble the rollers and transfer them to a special grinding machine for grinding. This greatly reduces labor intensity, shortens standby time, and is conducive to continuous long-cycle production and improves production efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the roll grinding mechanism of this utility model; Figure 3This is a cross-sectional view of the structure of the grinding roller of this utility model; Figure 4 This is a partial cross-sectional view of the cleaning mechanism of this utility model; Figure 5 This is a partial sectional view of the connection between the telescopic forearm and the telescopic boom of this utility model; Figure 6 This is a schematic diagram of the telescopic forearm of this utility model.

[0014] In the diagram: 1. Roll; 2. Archway; 3. Bearing housing; 4. Base; 5. Roll grinding mechanism; 6. Grinding roll; 601. Grinding wheel ring; 602. Rotating shaft; 603. Shaft head; 7. Telescopic boom; 701. Bearing hole; 702. Shaft hole I; 8. Rotating shaft I; 9. Hydraulic cylinder I; 10. Fixing hole; 11. Telescopic boom; 1101. Shaft hole II; 12. Rotating shaft II; 13. Boom truss; 14. Fixing pin; 15. Fixing frame; 16. Boom truss; 17. Hydraulic cylinder II; 18. Nozzle; 19. Cleaning fluid pipeline; 20. Pressure cap; 21. Fixing bolt; 22. Bearing; 23. Sealing ring; 24. Cleaning fluid inlet; 25. Control valve; 26. Anti-reverse pin. Detailed Implementation

[0015] like Figures 1-6As shown, the existing aluminum alloy sheet and strip rolling production equipment includes a roll 1, a gate 2, a bearing box 3, and a base 4. There are two rolls 1, and a bearing box 3 is rotatably connected to each end of each roll 1. There are two gates 2, and the bearing boxes 3 rotatably connected to each end of each roll 1 are fixedly connected to the two gates 2. There are two bearing boxes 3 connected to each gate 2. The two rolls 1 are arranged vertically, and there is a gap between the two rolls 1. There are two bases 4, and the two bases 4 are fixedly connected to the bottom of the two gates 2 respectively.This utility model discloses an online grinding device for aluminum alloy processing rolls, comprising a roll grinding mechanism 5, which includes a grinding roll 6, a telescopic arm 7, a rotating shaft I 8, a hydraulic cylinder I 9, a telescopic boom 11, a boom truss 13, a fixing pin 14, an arm truss 16, and a hydraulic cylinder II 17. The grinding roll 6 includes a grinding wheel sleeve 601, a rotating shaft 602, and shaft heads 603. Two shaft heads 603 are provided, located at both ends of the rotating shaft 602 and coaxial with it. The grinding wheel sleeve 601 is fixedly wrapped around the outside of the rotating shaft 602, completely covering it along its length. Two telescopic arms 7 are provided, each telescopic... The two telescopic arms 7 are provided with bearing holes 701 and shaft holes I 702 at both ends. The two telescopic arms 7 are arranged in parallel. The two shaft ends 603 of the grinding roller 6 are respectively connected to the bearing holes 701 of the two telescopic arms 7. The arm truss 16 is fixedly connected between the two telescopic arms 7. The two ends of the arm truss 16 are respectively welded to the two telescopic arms 7. There are two telescopic arms 11. The upper end of each telescopic arm 11 is provided with shaft holes II 1101. The shaft holes II 1101 of the two telescopic arms 11 and the shaft holes I 702 of the two telescopic arms 7 are rotatably connected by rotating shafts I 8. One end of the rotating shaft I 8 is provided with a boss and the other end is provided with a pin hole. The boss is located on the outside of the telescopic arm 11, and the pin hole is located on the outside of the telescopic arms 7. The pin hole is connected to the outside of the telescopic arms 7. With anti-reverse pins 26, the lower ends of the two telescopic booms 11 are rotatably connected to two bases 4 respectively. Each telescopic boom 11 has a rotating shaft II 12 at its lower end, located on the opposite sidewalls of the two booms. The two rotating shafts II 12 are rotatably connected to the two bases 4 respectively. The bases 4 have holes for the rotating shafts II 12 to rotatably connect. A boom truss 13 is fixedly connected between the two telescopic booms 11, with both ends welded to the two booms 11 respectively. The base of a hydraulic cylinder II 17 is rotatably connected to the boom truss 13, and the front end of the piston rod of the hydraulic cylinder II 17 is rotatably connected to the forearm truss 16. Two hydraulic cylinders I 9 are provided, and their bases are rotatably connected to the two bases 4 respectively. On each archway 2, the front ends of the piston rods of two hydraulic cylinders I9 are rotatably connected to the upper parts of two telescopic booms 11. The bases of the two hydraulic cylinders I9 are provided with fixing holes 10. The fixing holes 10 of the two hydraulic cylinders I9 are rotatably connected to the two archways 2 through fixing shafts. The two archways 2 are provided with holes for connecting the fixing shafts. The front ends of the piston rods of the two hydraulic cylinders I9 are rotatably connected to the upper parts of the two telescopic booms 11 through fixing pins 14. There are two fixing pins 14. One end of the two fixing pins 14 is fixedly connected to the front end of the piston rod of the two hydraulic cylinders I9, and the other end of the two fixing pins 14 that is not connected to the hydraulic cylinders I9 is ​​rotatably connected to the upper parts of the two telescopic booms 11. Each telescopic boom 11 is provided with holes for the fixing pins 14 to rotatably connect.Each shaft head 603 is connected to each bearing hole 701 by a bearing 22. A sealing ring 23 is connected to the side of the bearing 22 facing the rotating shaft 602, and the sealing ring 23 is located inside the bearing hole 701. A pressure cap 20 is connected to the side of the bearing 22 away from the rotating shaft 602, and the pressure cap 20 is pressed onto the outer ring of the bearing 22. The pressure cap 20 is connected to the telescopic arm 7 by a fixing bolt 21. The pressure cap 20 has a through hole for the fixing bolt 21 to operate, and the telescopic arm 7 has a screw hole for the fixing bolt 21 to connect.

[0016] In use, this utility model controls the extension and retraction of hydraulic cylinder I9 to change the angle between the telescopic boom 11 and the base 4, and controls the extension and retraction of hydraulic cylinder II 17 to change the angle between the telescopic boom 11 and the telescopic arm 7. This allows the grinding roller to be attached to either of the two rolls, and the grinding wheel ring 601 is attached to the outer surface of the roll. As the roll rotates, the grinding wheel ring 601 performs a certain amount of grinding on the roll surface, thereby realizing online grinding of the roll.

[0017] The hydraulic cylinders I9 and II17 enable flexible adjustment of the grinding roller 6, allowing for adjustment of its forward and backward, and up and down positions.

[0018] The roller grinding mechanism 5 of this utility model includes a cleaning mechanism, which includes a fixed frame 15, nozzles 18, and a cleaning fluid pipeline 19. There are two fixed frames 15, the lower ends of which are respectively welded to two telescopic arms 7, and the upper ends of which are respectively welded to the outer wall of the cleaning fluid pipeline 19. The axis of the cleaning fluid pipeline 19 is arranged along the length of the grinding roller 6. There are multiple nozzles 18, which are all fixedly connected to the cleaning fluid pipeline 19 and communicate with it. The multiple nozzles 18 are linearly and evenly distributed along the length of the cleaning fluid pipeline 19, and the front ends of the multiple nozzles 18 all face the roller 1. The cleaning mechanism includes a control valve 25, which is connected to one end of the cleaning fluid pipeline 19. The end of the control valve 25 away from the cleaning fluid pipeline 19 is the cleaning fluid inlet 24, which is connected to the cleaning fluid supply pipeline.

[0019] The angle of the multiple nozzles 18 should be carefully set to ensure that the cleaning fluid is sprayed between the roll and the grinding roll 6.

[0020] Multiple nozzles 18 can spray cleaning fluid between the roll and the grinding roll 6. The spraying of cleaning fluid cools and cleans the grinding surface. The control valve 25 is set to control the on / off state and flow rate of the cleaning fluid.

Claims

1. An online grinding device for aluminum alloy processing rolls, comprising a roll (1), a gate (2), a bearing housing (3), and a base (4), wherein two rolls (1) are provided, and a bearing housing (3) is rotatably connected to each end of each roll (1); two gates (2) are provided, and the bearing housings (3) rotatably connected to each end of each roll (1) are respectively fixedly connected to the two gates (2); two bearing housings (3) are connected to each gate (2); the two rolls (1) are arranged vertically, and a gap is provided between the two rolls (1); two bases (4) are provided, and the two bases (4) are respectively fixedly connected to the bottom ends of the two gates (2), characterized in that: The rolling mill grinding mechanism (5) includes a grinding roller (6), a telescopic arm (7), a rotating shaft I (8), a hydraulic cylinder I (9), a telescopic boom (11), a boom truss (13), a fixing pin (14), a forearm truss (16), and a hydraulic cylinder II (17). The grinding roller (6) includes a grinding wheel ring (601), a rotating shaft (602), and a shaft head (603). There are two shaft heads (603), which are respectively located at both ends of the rotating shaft (602). (603) is coaxial with the rotating shaft (602). The grinding wheel ring (601) is fixedly wrapped around the outside of the rotating shaft (602). The grinding wheel ring (601) completely covers the rotating shaft (602) along the length direction of the rotating shaft (602). There are two telescopic arms (7). Each telescopic arm (7) has a bearing hole (701) and a shaft hole I (702) at both ends. The two telescopic arms (7) are arranged in parallel. The two shaft ends (603) of the grinding roller (6) are respectively connected to the bearing holes (701) of the two telescopic arms (7). The forearm truss (16) is fixedly connected between the two telescopic forearms (7). The two ends of the forearm truss (16) are welded to the two telescopic forearms (7) respectively. There are two telescopic booms (11). The upper ends of the two telescopic booms (11) are provided with shaft holes II (1101). The shaft holes II (1101) of the two telescopic booms (11) and the shaft holes I (702) of the two telescopic forearms (7) are rotatably connected by rotating shaft I (8) respectively. The lower ends of the two telescopic booms (11) are rotatably connected to two bases (4) respectively. The truss (13) is fixedly connected between the two telescopic booms (11). The two ends of the boom truss (13) are welded to the two telescopic booms (11) respectively. The base of the hydraulic cylinder II (17) is rotatably connected to the boom truss (13). The front end of the piston rod of the hydraulic cylinder II (17) is rotatably connected to the forearm truss (16). There are two hydraulic cylinders I (9). The bases of the two hydraulic cylinders I (9) are rotatably connected to the two archways (2) respectively. The front ends of the piston rods of the two hydraulic cylinders I (9) are rotatably connected to the upper part of the two telescopic booms (11) respectively.

2. The online grinding device for aluminum alloy processing rolls according to claim 1, characterized in that: The roller grinding mechanism (5) includes a cleaning mechanism, which includes a fixed frame (15), a nozzle (18) and a cleaning fluid pipe (19). There are two fixed frames (15), the lower ends of which are welded to two telescopic arms (7) respectively, and the upper ends of which are welded to the outer wall of the cleaning fluid pipe (19) respectively. The axis of the cleaning fluid pipe (19) is set along the length of the grinding roller (6). There are multiple nozzles (18), and all of the multiple nozzles (18) are fixedly connected to the cleaning fluid pipe (19). The multiple nozzles (18) are connected to the cleaning fluid pipe (19), and the multiple nozzles (18) are linearly and evenly distributed along the length of the cleaning fluid pipe (19). The front ends of the multiple nozzles (18) are all facing the roller (1).

3. The online grinding device for aluminum alloy processing rolls according to claim 2, characterized in that: Each shaft head (603) is connected to a bearing (22) between it and each bearing hole (701).

4. The online grinding device for aluminum alloy processing rolls according to claim 3, characterized in that: The bearing (22) facing the rotating shaft (602) is connected to a sealing ring (23), which is located in the bearing hole (701). The bearing (22) away from the rotating shaft (602) is connected to a pressure cap (20), which is pressed onto the outer ring of the bearing (22). The pressure cap (20) is connected to the telescopic arm (7) by a fixing bolt (21). The pressure cap (20) is provided with a through hole for the fixing bolt (21) to drive, and the telescopic arm (7) is provided with a screw hole for the fixing bolt (21) to connect.

5. The online grinding device for aluminum alloy processing rolls according to claim 1, characterized in that: The lower ends of the two telescopic booms (11) are provided with rotating shafts II (12). The rotating shafts II (12) are located on the side walls of the two telescopic booms (11) facing away from each other. The two rotating shafts II (12) are rotatably connected to the two bases (4). The bases (4) are provided with holes for the rotating shafts II (12) to be rotatably connected.

6. The online grinding device for aluminum alloy processing rolls according to claim 5, characterized in that: The rotating shaft I (8) has a boss at one end and a pin hole at the other end. The boss is located on the outside of the telescopic arm (11), and the pin hole is located on the outside of the telescopic arm (7). A backstop pin (26) is connected inside the pin hole.

7. The online grinding device for aluminum alloy processing rolls according to claim 1, characterized in that: The bases of the two hydraulic cylinders I (9) are provided with fixing holes (10). The fixing holes (10) of the two hydraulic cylinders I (9) are rotatably connected to the two archways (2) through fixing shafts. The two archways (2) are provided with holes for connecting the fixing shafts.

8. The online grinding device for aluminum alloy processing rolls according to claim 7, characterized in that: The piston rods of the two hydraulic cylinders I (9) are rotatably connected to the upper part of the two telescopic booms (11) by fixing pins (14). There are two fixing pins (14). One end of the two fixing pins (14) is fixedly connected to the piston rod of the two hydraulic cylinders I (9), and the other end of the two fixing pins (14) not connected to the hydraulic cylinders I (9) is rotatably connected to the upper part of the two telescopic booms (11). Each telescopic boom (11) is provided with a hole for the fixing pins (14) to be rotatably connected.

9. The online grinding device for aluminum alloy processing rolls according to claim 2, characterized in that: The cleaning mechanism includes a control valve (25), which is connected to one end of the cleaning fluid pipeline (19). The end of the control valve (25) away from the cleaning fluid pipeline (19) is the cleaning fluid inlet (24), which is connected to the cleaning fluid supply pipeline.

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