Energy-saving steel mill upper pinch roll motor

Abstract

The utility model discloses an energy-saving rolling mill upper pinch roll motor, which comprises a hydraulic cylinder, a U-shaped plate, a roll shaft, an upper pinch roll, a motor and a driving component, the U-shaped plate is fixedly mounted at the output shaft end of the hydraulic cylinder, the roll shaft is detachably mounted on the U-shaped plate, the upper pinch roll is detachably mounted on the roll shaft, the motor is fixedly mounted at the top of the U-shaped plate, and the driving component is fixedly mounted on the top of the U-shaped plate. The driving assembly is arranged on the motor. The roller shaft clamping device is reasonable in design, a roller shaft can be conveniently clamped, fixed and disassembled through the combined action of the two clamping grooves, the two positioning plates and the four hexagon bolts, then a cylinder and a rubber sleeve are overhauled and replaced, the production cost is reduced, the overhauling efficiency is improved, and the service life of the roller shaft is prolonged. And through the combined action of a through key, a key groove, a fixing disc, a plurality of countersunk bolts and a fixing ring, the roller shaft and the cylinder are conveniently connected and fixed, the integrity of the upper pinch roller is improved, the upper pinch roller is driven by the motor to rotate more stably, and the pushing effect on steel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of iron and steel metallurgical equipment, in particular to an energy-saving upper pinch roller motor for a steel rolling mill. Background Art

[0002] Pinch rollers are an important part of steel manufacturing equipment, especially in the production of strip steel, where they play the role of clamping, stretching and conveying. Pinch rollers are usually rotated by a motor, thereby driving the clamped steel to be conveyed forward. Most materials used for pinch rollers have low wear resistance, which can easily cause wear of the pinch rollers after long-term use. New pinch rollers need to be replaced after wear. Currently, pinch rollers are replaced as a whole, which increases costs and is inconvenient to disassemble, affecting maintenance efficiency.

[0003] Therefore, we propose an energy-saving upper pinch roll motor for a steel rolling mill to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an energy-saving upper pinch roller motor for a steel rolling mill, which solves the problem that the pinch rollers are replaced as a whole, thereby increasing costs and making it inconvenient to disassemble the pinch rollers, affecting maintenance efficiency.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving upper pinch roller motor for a steel rolling mill, comprising a hydraulic cylinder, a U-shaped plate, a roller shaft, an upper pinch roller, a motor and a drive assembly, the U-shaped plate being fixedly mounted on the output shaft end of the hydraulic cylinder, the roller shaft being detachably mounted on the U-shaped plate, the upper pinch roller being detachably mounted on the roller shaft, the motor being fixedly mounted on the top of the U-shaped plate, the drive assembly being arranged on the motor, and the motor driving the roller shaft to rotate through the drive assembly.

[0008] Preferably, the upper pinch roller comprises a cylinder, a fixed disk and a rubber sleeve, the cylinder is slidably mounted on the roller shaft, the fixed disk is fixedly mounted on the roller shaft, a connecting groove is opened on the right side of the cylinder, the fixed disk is slidably mounted in the connecting groove, and the rubber sleeve is sleeved on the cylinder.

[0009] Preferably, two symmetrically distributed through keys are fixedly mounted on the roller shaft, two key slots are provided on the annular inner wall of the cylinder, and the two through keys are slidably mounted in the two key slots respectively.

[0010] Preferably, the fixing plate is provided with a plurality of countersunk screw holes distributed in a circular array, and countersunk bolts are threadedly installed in the plurality of countersunk screw holes, and the left ends of the plurality of countersunk bolts are threadedly installed on the cylinder, and the left end of the roller shaft is provided with an external thread and a fixing ring is threadedly installed thereon, and the right side of the fixing ring is in close contact with the cylinder.

[0011] Preferably, two symmetrically distributed positioning grooves are provided on the annular outer wall of the cylinder, and two positioning strips are fixedly installed on the annular inner wall of the rubber sleeve. The two positioning strips are respectively slidably installed in the two positioning grooves. The left and right ends of the cylinder are provided with external threads and positioning rings are threadedly installed. The sides of the two positioning rings close to each other are respectively in close contact with the left and right ends of the cylinder.

[0012] Preferably, the driving assembly includes a main pulley, a secondary pulley and a belt, the main pulley is fixedly sleeved on the output shaft end of the motor, the secondary pulley is fixedly sleeved on the right end of the roller shaft and located outside the U-shaped plate, and the belt is wrapped around the main pulley and the secondary pulley.

[0013] Preferably, the front side of the U-shaped plate is provided with two symmetrically distributed clamping grooves, the rear inner walls of the two clamping grooves are both semicircular in structure, the left and right ends of the roller shaft are respectively slidably installed in the two clamping grooves, and the left and right sides of the U-shaped plate are provided with positioning plates located in front of the roller shaft, the two positioning plates are in sliding contact with the roller shaft, and two hexagonal bolts are threadedly installed on the two positioning plates, and the ends of the four hexagonal bolts close to each other are threadedly installed on the U-shaped plate.

[0014] (III) Beneficial effects

[0015] The utility model provides an energy-saving upper pinch roller motor for a steel rolling mill, which has the following beneficial effects:

[0016] (1) This energy-saving upper pinch roller motor for a steel rolling mill can facilitate the installation and disassembly of the cylinder and the roller shaft by utilizing the combined effect of a through key, a keyway, a fixing plate, a plurality of countersunk bolts and a fixing ring, thereby improving the integrity of the upper pinch roller, making the upper pinch roller rotate more stably when driven by the motor, and improving the pushing effect of the steel.

[0017] (2) This energy-saving upper pinch roller motor of a steel rolling mill can facilitate the replacement and fixation of worn rubber sleeves by utilizing the combined effect of the positioning groove, the positioning strip, the rubber sleeve and the two positioning rings, thereby reducing production costs.

[0018] (3) This energy-saving upper pinch roller motor of a steel rolling mill can conveniently clamp and fix the roller shaft and disassemble it by utilizing the combined effect of two clamping grooves, two positioning plates and four hexagonal bolts, and then inspect and replace the upper pinch roller, thereby improving the pushing effect of steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the main view of the utility model;

[0021] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0022] Figure 4 for Figure 2 A magnified schematic diagram of part B;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the cylinder;

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the U-shaped plate.

[0025] In the figure: 1. hydraulic cylinder; 2. U-shaped plate; 3. roller; 4. cylinder; 5. fixing plate; 6. connecting groove; 7. rubber sleeve; 8. through key; 9. keyway; 10. countersunk screw hole; 11. countersunk bolt; 12. fixing ring; 13. positioning groove; 14. positioning strip; 15. positioning ring; 16. motor; 17. main pulley; 18. secondary pulley; 19. belt; 20. clamping groove; 21. positioning plate; 22. hexagonal bolt. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-6As shown, the utility model provides a technical solution: an energy-saving upper pinch roller motor for a steel rolling mill, comprising a hydraulic cylinder 1, a U-shaped plate 2, a roller shaft 3, an upper pinch roller, a motor 16 and a driving assembly, the U-shaped plate 2 is fixedly mounted on the output shaft end of the hydraulic cylinder 1, the roller shaft 3 is detachably mounted on the U-shaped plate 2, the upper pinch roller is detachably mounted on the roller shaft 3, the motor 16 is fixedly mounted on the top of the U-shaped plate 2, the driving assembly is arranged on the motor 16, the motor 16 drives the roller shaft 3 to rotate through the driving assembly, two symmetrically distributed clamping grooves 20 are provided on the front side of the U-shaped plate 2, the rear inner walls of the two clamping grooves 20 are both semicircular structures, the left and right ends of the roller shaft 3 are respectively slidably mounted in the two clamping grooves 20, the left and right sides of the U-shaped plate 2 are provided with positioning plates 21 located on the front side of the roller shaft 3, the two positioning plates 21 are in sliding contact with the roller shaft 3, two hexagonal bolts 22 are threadedly mounted on the two positioning plates 21, and the ends of the four hexagonal bolts 22 close to each other are threadedly mounted on the U-shaped plate 2.

[0028] In this embodiment, the above-mentioned driving assembly includes a main pulley 17, a secondary pulley 18 and a belt 19. The main pulley 17 is fixedly mounted on the output shaft end of the motor 16, and the secondary pulley 18 is fixedly mounted on the right end of the roller shaft 3 and is located outside the U-shaped plate 2. The belt 19 is wound around the main pulley 17 and the secondary pulley 18. Through the above-mentioned arrangement, it is convenient for the motor 16 to control the upper clamping roller to rotate.

[0029] In this embodiment, the above-mentioned upper clamping roller includes a cylinder 4, a fixed plate 5 and a rubber sleeve 7. The cylinder 4 is slidably installed on the roller shaft 3, the fixed plate 5 is fixedly installed on the roller shaft 3, a connecting groove 6 is opened on the right side of the cylinder 4, the fixed plate 5 is slidably installed in the connecting groove 6, the rubber sleeve 7 is sleeved on the cylinder 4, and two symmetrically distributed through keys 8 are fixedly installed on the roller shaft 3. Two key grooves 9 are opened on the annular inner wall of the cylinder 4. The two through keys 8 are respectively slidably installed in the two key grooves 9. By utilizing the two through keys 8 and the two key grooves 9, the integrity of the roller shaft 3 and the cylinder 4 can be improved, and the overall rotation of the upper clamping roller is convenient.

[0030] In this embodiment, the fixing plate 5 is provided with a plurality of countersunk screw holes 10 distributed in an annular array, and countersunk bolts 11 are threadedly installed in the plurality of countersunk screw holes 10. The left ends of the plurality of countersunk bolts 11 are threadedly installed on the cylinder 4. The left end of the roller shaft 3 is provided with an external thread and a fixing ring 12 is threadedly installed. The right side of the fixing ring 12 is in close contact with the cylinder 4. By utilizing the combined effect of the plurality of countersunk bolts 11, the fixing plate 5 and the fixing ring 12, the roller shaft 3 and the cylinder 4 can be connected and fixed. The annular outer wall of the cylinder 4 is provided with a There are two symmetrically distributed positioning grooves 13, and two positioning strips 14 are fixedly installed on the annular inner wall of the rubber sleeve 7. The two positioning strips 14 are slidably installed in the two positioning grooves 13 respectively. The left and right ends of the cylinder 4 are provided with external threads and threadedly installed with positioning rings 15. The two positioning rings 15 are in close contact with the left and right ends of the cylinder 4 on one side close to each other. By using the positioning grooves 13 and the positioning strips 14, the rubber sleeve can be easily replaced, the production cost can be reduced, and the rubber sleeve 7 can be effectively prevented from slipping on the cylinder 4.

[0031] In this embodiment, it should be noted that a control switch is provided at a suitable position beside the U-shaped plate 2, the hydraulic cylinder 1, the motor 16 and the control switch are electrically connected via a wire, and the control switch can be used to control the power supply and operation of the hydraulic cylinder 1 and the motor 16 respectively.

[0032] Through the above structure, the energy-saving upper pinch roller motor of the steel rolling mill provided by the utility model can facilitate the clamping, fixing and disassembly of the roller shaft 3 through the joint action of the two clamping grooves 20, the two positioning plates 21 and the four hexagonal bolts 22, and then the cylinder 4 and the rubber sleeve 7 can be repaired and replaced, thereby reducing production costs and improving maintenance efficiency. It also facilitates the connection and fixing of the roller shaft 3 and the cylinder 4 by utilizing the joint action of the combination of the through key 8, the keyway 9, the fixing plate 5, a plurality of countersunk bolts 11 and the fixing ring 12, thereby improving the integrity of the upper pinch roller, making the upper pinch roller rotate more stably under the drive of the motor 16, and improving the pushing effect of the steel. During specific use, the hydraulic cylinder 1 is controlled to extend, and the hydraulic cylinder 1 controls the U-shaped plate 2 to move downward. When the bottom of the rubber sleeve 7 contacts the steel, the hydraulic cylinder 1 is shut down, and the motor 16 is controlled to run. The motor 16 drives the main skin The pulley 17 rotates, and the roller shaft 3 can be driven to rotate by utilizing the combined action of the main pulley 17, the secondary pulley 18 and the belt 19. The roller shaft 3 can drive the cylinder 4 and the rubber sleeve 7 to rotate by utilizing the through key 8 and the keyway 9, thereby pushing the clamped steel. When it is necessary to inspect and replace the worn rubber sleeve 7 or the cylinder 4, loosen and remove the multiple hexagonal bolts 22, then remove the two positioning plates 21 to release the lock on the roller shaft 3, remove the belt 19, and then conveniently remove the roller shaft 3 from the two clamping grooves 20, loosen the fixing ring 12 and remove the multiple countersunk bolts 11, release the fixation of the cylinder 4, and then remove the cylinder 4 from the roller shaft 3 for inspection, loosen and remove the two positioning rings 15, and then conveniently remove the rubber sleeve 7 from the cylinder 4 for replacement, which greatly reduces the production cost and improves the pushing effect on the steel.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope recorded in the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An energy-saving upper pinch roller motor for a steel rolling mill, characterized in that: The invention comprises a hydraulic cylinder (1), a U-shaped plate (2), a roller shaft (3), an upper pinch roller, a motor (16) and a drive assembly, wherein the U-shaped plate (2) is fixedly mounted on the output shaft end of the hydraulic cylinder (1), the roller shaft (3) is detachably mounted on the U-shaped plate (2), the upper pinch roller is detachably mounted on the roller shaft (3), the motor (16) is fixedly mounted on the top of the U-shaped plate (2), the drive assembly is arranged on the motor (16), and the motor (16) drives the roller shaft (3) to rotate through the drive assembly.

2. The energy-saving upper pinch roller motor for a steel rolling mill according to claim 1, characterized in that: The upper pinch roller comprises a cylinder (4), a fixed disk (5) and a rubber sleeve (7); the cylinder (4) is slidably mounted on the roller shaft (3); the fixed disk (5) is fixedly mounted on the roller shaft (3); a connecting groove (6) is provided on the right side of the cylinder (4); the fixed disk (5) is slidably mounted in the connecting groove (6); and the rubber sleeve (7) is sleeved on the cylinder (4).

3. The energy-saving upper pinch roller motor for a steel rolling mill according to claim 2, characterized in that: Two symmetrically distributed through keys (8) are fixedly mounted on the roller shaft (3), and two keyways (9) are provided on the annular inner wall of the cylinder (4). The two through keys (8) are respectively slidably mounted in the two keyways (9).

4. The energy-saving upper pinch roller motor for a steel rolling mill according to claim 3, characterized in that: The fixing plate (5) is provided with a plurality of countersunk screw holes (10) distributed in a circular array, and a countersunk bolt (11) is threadedly installed in each of the plurality of countersunk screw holes (10). The left ends of the plurality of countersunk bolts (11) are threadedly installed on the cylinder (4). The left end of the roller shaft (3) is provided with an external thread and a fixing ring (12) is threadedly installed thereon, and the right side of the fixing ring (12) is in close contact with the cylinder (4).

5. The energy-saving upper pinch roller motor for a steel rolling mill according to claim 2, characterized in that: The annular outer wall of the cylinder (4) is provided with two symmetrically distributed positioning grooves (13), the annular inner wall of the rubber sleeve (7) is fixedly provided with two positioning strips (14), the two positioning strips (14) are respectively slidably installed in the two positioning grooves (13), the left and right ends of the cylinder (4) are both provided with external threads and are threadedly provided with positioning rings (15), and the two sides of the two positioning rings (15) close to each other are respectively in close contact with the left and right ends of the cylinder (4).

6. The energy-saving upper pinch roller motor for a steel rolling mill according to claim 1, characterized in that: The driving assembly comprises a main pulley (17), a secondary pulley (18) and a belt (19); the main pulley (17) is fixedly sleeved on the output shaft end of the motor (16); the secondary pulley (18) is fixedly sleeved on the right end of the roller shaft (3) and is located outside the U-shaped plate (2); and the belt (19) is wound around the main pulley (17) and the secondary pulley (18).

7. The energy-saving upper pinch roller motor for a steel rolling mill according to claim 1, characterized in that: The front side of the U-shaped plate (2) is provided with two symmetrically distributed clamping grooves (20), the rear inner walls of the two clamping grooves (20) are both semicircular in structure, the left and right ends of the roller shaft (3) are respectively slidably mounted in the two clamping grooves (20), the left and right sides of the U-shaped plate (2) are both provided with positioning plates (21) located in front of the roller shaft (3), the two positioning plates (21) are both in sliding contact with the roller shaft (3), two hexagonal bolts (22) are threadedly mounted on the two positioning plates (21), and the ends of the four hexagonal bolts (22) close to each other are threadedly mounted on the U-shaped plate (2).

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