CN210334995U

CN210334995U - Quick clamping device for repairing roller

Info

Publication number: CN210334995U
Application number: CN201921264951.4U
Authority: CN
Inventors: 刘涛; 王会军; 田疆; 邢永顺
Original assignee: Handan City Handan Steel Attached Enterprise Lida Laser Technology Co Ltd
Current assignee: Handan City Handan Steel Attached Enterprise Lida Laser Technology Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-17
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a roll is restoreed and is used quick clamping device, the on-line screen storage device comprises a base, be fixed with elevating system and two supporting seats on the base, two supporting seats all install the rotation axis through the bearing is rotatable, it has rather than gliding sliding sleeve all to overlap on two rotation axes, the radial threaded connection of sliding sleeve has the locking handle, the sliding sleeve passes through locking handle and rotation axis fixed connection, two sliding sleeves all are fixed with the chuck in one end in opposite directions, two chucks are used for chucking roll both ends, the rotation axis, sliding sleeve and chuck axial lead are coaxial, gear motor drive rotation axis is rotatory, the rotation axis is waist shape with sliding sleeve sliding connection's shaft section cross-section, sliding sleeve and rotation axis joint sliding. The utility model discloses a set up elevating system, elevating system lifts roll to the specified height of centre gripping point, can remove two sliding sleeves simultaneously, makes the chuck remove to the roll both ends, is convenient for press from both sides the roll fast, and the clamping speed is fast, and positioning accuracy is high, applicable roll in multi-purpose different model sizes.

Description

Quick clamping device for repairing roller

Technical Field

The utility model relates to a roll is restoreed with roll clamping device field, especially a roll is restoreed with quick clamping device.

Background

The rolls are the main equipment for rolling steel, and the quality of the rolls plays a very critical role in the quality and quantity of the produced steel. At the same time, the rolls are also consumable parts of the rolling mill. After the roller is used for a long time in a rolling way, the radius of the middle part of the roller is reduced, and pits are formed on the surface of the roller, which can seriously affect the quality of rolled steel. To extend the useful life of a roll, it is often necessary to repair the working surface of the roll.

Before repairing the roller by laser cladding, the roller needs to be clamped by a clamping device, and then the roller is driven to operate by rotating the clamping device, so that the surface of the roller is clad. When the existing clamping device clamps a roller, one end of the roller is usually aligned with a chuck for clamping, and then the other end of the roller is clamped, so that the defects of low clamping speed and poor positioning accuracy exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a quick clamping device for repairing the roller is designed.

The technical scheme of the utility model is that the quick clamping device for repairing the roller comprises a base and two supporting seats fixed on the base, wherein a rotating shaft is rotatably arranged on the two supporting seats through a bearing, a sliding sleeve sliding with the rotating shaft is sleeved on the two rotating shafts, the radial thread of the sliding sleeves is connected with a locking handle, the sliding sleeves are fixedly connected with the rotating shaft through the locking handle, the opposite ends of the two sliding sleeves are respectively fixed with a chuck, the two chucks are used for clamping two ends of the roller, the axes of the rotating shaft, the sliding sleeve and the chuck are coaxial, the base is provided with a speed reducing motor, the output end of the speed reducing motor is provided with a driving belt pulley, one of them install driven pulley on the rotation axis, be connected through the drive belt transmission between drive pulley and the driven pulley, still be equipped with the elevating system who is used for lifting the roll on the base.

Preferably, the lifting mechanism comprises a hydraulic cylinder, a guide sleeve, a guide rod, a bearing seat and two carrier rollers, the hydraulic cylinder and the guide sleeve are installed on the base, the guide rod is inserted into the guide sleeve and is in sliding connection with the guide sleeve, the bearing seat is connected with the telescopic end of the hydraulic cylinder and the upper end of the guide rod, and the bearing seat is rotatably provided with the two carrier rollers.

Preferably, the number of the guide sleeves and the guide rods is two, and the hydraulic cylinder is located between the two guide sleeves.

Preferably, the section of the shaft section of the sliding connection between the rotating shaft and the sliding sleeve is waist-shaped, and the sliding sleeve is in clamping sliding fit with the rotating shaft.

The utility model has the advantages that: through setting up elevating system, elevating system lifts roll to the appointed height of centre gripping point, can remove two sliding sleeves simultaneously, makes the chuck remove to the roll both ends, is convenient for press from both sides the roll fast and tightly, and clamping speed is fast, and positioning accuracy is high, applicable roll that is used for multi-purpose different model sizes.

Drawings

Fig. 1 is a schematic structural view of a rapid clamping device for repairing a roller according to the present invention;

FIG. 2 is a state diagram of the rapid clamping device for repairing a roller of the present invention before clamping the roller;

FIG. 3 is a partial schematic view of the lifting mechanism of the present invention lifting the roll;

fig. 4 is a side view of the rotating shaft of the present invention;

fig. 5 is a plan view of the rotating shaft of the present invention;

FIG. 6 is a cross-sectional view of the sliding sleeve of the present invention;

in the figure, 1, a base; 2. a supporting seat; 3. a bearing; 4. a rotating shaft; 5. a sliding sleeve; 6. locking the handle; 7. a chuck; 8. rolling; 9. a reduction motor; 10. a drive pulley; 11. a driven pulley; 12. a drive belt; 13. a hydraulic cylinder; 14. a guide sleeve; 15. a guide bar; 16. a bearing seat; 17. and (4) a carrier roller.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-6: a roller repairing quick clamping device comprises a base 1 and two supporting seats 2 fixed on the base 1, wherein rotary shafts 4 are rotatably arranged on the two supporting seats 2 through bearings 3, sliding sleeves 5 sliding with the rotary shafts 4 are sleeved on the two rotary shafts 4, radial threads of the sliding sleeves 5 are connected with locking handles 6, the sliding sleeves 5 are fixedly connected with the rotary shafts 4 through the locking handles 6, chucks 7 are fixed at opposite ends of the two sliding sleeves 5, the two chucks 7 are used for clamping two ends of a roller 8, axial leads of the rotary shafts 4, the sliding sleeves 5 and the chucks 7 are coaxial, a speed reducing motor 9 is arranged on the base 1, a driving belt pulley 10 is arranged at the output end of the speed reducing motor 9, a driven belt pulley 11 is installed on one of the rotating shafts 4, the driving belt pulley 10 is in transmission connection with the driven belt pulley 11 through a transmission belt 12, and a lifting mechanism used for lifting the roller 8 is further arranged on the base 1.

The lifting mechanism comprises a hydraulic cylinder 13, a guide sleeve 14, a guide rod 15, a bearing seat 16 and two carrier rollers 17, wherein the hydraulic cylinder 13 and the guide sleeve 14 are installed on the base 1, the guide rod 15 is inserted into the guide sleeve 14 and is in sliding connection with the guide sleeve 14, the bearing seat 16 is connected with the telescopic end of the hydraulic cylinder 13 and the upper end of the guide rod 15, and the bearing seat 16 is rotatably provided with the two carrier rollers 17. The carrier roller 17 is used for lifting the roller 8, two carrier rollers 17 are arranged to stably lift the roller 8, and the distance between the two rollers 8 and the axis of the rotating shaft 4 is the same, so that the roller 8 lifted to a specified height is enabled to be coincident with the axis of the rotating shaft 4.

The number of the guide sleeves 14 and the guide rods 15 is two, and the hydraulic cylinder 13 is located between the two guide sleeves 14. The guide sleeve 14 and the guide rod 15 play a guiding role, so that the bearing seat 16 can vertically lift.

The section of the shaft section of the sliding connection of the rotating shaft 4 and the sliding sleeve 5 is waist-shaped, and the sliding sleeve 5 is in clamping sliding fit with the rotating shaft 4. Through such structure, the rotating shaft 4 can directly drive the sliding sleeve 5 to rotate, and then drive the roller 8 to rotate.

The working principle of the embodiment is as follows: before clamping the roller 8, the sliding sleeve 5 is pushed into the rotating shaft 4 to vacate the position for the roller 8 to swing the device, the device is provided with a controller, the controller controls the expansion amount of a hydraulic cylinder 13 and the starting of a speed reducing motor 9, a control program is preset in the controller, according to the model of the roller 8, the controller controls the hydraulic cylinder 13 to extend out by a specified length, then the roller 8 is hoisted to the two carrier rollers 17, the axial lead of the roller 8 is coaxial with the axial leads of the rotating shaft 4, the sliding sleeve 5 and the chuck 7, the positioning precision is high, then only the two sliding sleeves 5 are required to be moved, the chuck 7 is moved to the two ends of the roller 8, the roller 8 is clamped through the chuck 7, two operators can move the two sliding sleeves 5 at the same time to improve the clamping speed, after the chuck 7 clamps the roller 8, screwing the locking handle 6, wherein the screw rod part of the locking handle 6 presses the rotating shaft 4 to prevent the rotating shaft 4 and the sliding sleeve 5 from sliding in the axial direction; when repairing roll 8, steerable pneumatic cylinder 13 contracts, make bearing roller 17 keep away from roll 8, start gear motor 9, gear motor 9 passes through driving pulley 10, driving belt 12 and driven pulley 11 drive rotation axis 4 rotatory, rotation axis 4 is waist-shaped with 5 sliding connection's of sliding sleeve shaft section, 5 inner chamber cross-sections of sliding sleeve are waist-shaped corresponding with rotation axis 4, sliding sleeve 5 realizes joint sliding fit with rotation axis 4, through such structure, rotation axis 4 can directly drive sliding sleeve 5 rotatory, and then it is rotatory to drive roll 8.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a roll is restoreed and is used quick clamping device, includes base (1) and fixes two supporting seats (2) on base (1), its characterized in that, two supporting seat (2) all rotatably install rotation axis (4) through bearing (3), two all the cover has rather than gliding sliding sleeve (5) on rotation axis (4), sliding sleeve (5) radial threaded connection has locking handle (6), sliding sleeve (5) are through locking handle (6) and rotation axis (4) fixed connection, two sliding sleeve (5) are all fixed with chuck (7) in the one end in opposite directions, two chuck (7) are used for chucking roll (8) both ends, rotation axis (4), sliding sleeve (5) and chuck (7) axial lead are coaxial, install gear motor (9) on base (1), drive pulley (10) are installed to gear motor (9) output, one of them install driven pulley (11) on rotation axis (4), be connected through drive belt (12) transmission between drive pulley (10) and driven pulley (11), still be equipped with the elevating system who is used for lifting roll (8) on base (1).

2. The quick clamping device for repairing the roller is characterized in that the lifting mechanism comprises a hydraulic cylinder (13), a guide sleeve (14), a guide rod (15), a bearing seat (16) and two carrier rollers (17), the hydraulic cylinder (13) and the guide sleeve (14) are installed on the base (1), the guide rod (15) is inserted into the guide sleeve (14) and is in sliding connection with the guide sleeve, the bearing seat (16) is connected with the telescopic end of the hydraulic cylinder (13) and the upper end of the guide rod (15), and the two carrier rollers (17) are rotatably installed on the bearing seat (16).

3. A quick clamping device for repairing a roll according to claim 2, characterized in that the number of said guide sleeves (14) and guide rods (15) is two, and said hydraulic cylinder (13) is located between two guide sleeves (14).

4. The quick clamping device for repairing the roller is characterized in that the section of a shaft section of the rotating shaft (4) in sliding connection with the sliding sleeve (5) is kidney-shaped, and the sliding sleeve (5) is in clamping sliding fit with the rotating shaft (4).