CN210473797U

CN210473797U - Powder mixing and stirring device for repairing roller

Info

Publication number: CN210473797U
Application number: CN201921287589.2U
Authority: CN
Inventors: 常清峰; 郭赛; 常天鹏; 陈子康
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: 2019-08-11
Filing date: 2019-08-11
Publication date: 2020-05-08
Anticipated expiration: 2029-08-11

Abstract

The utility model discloses a powder compounding agitating unit for roll restoration, the on-line screen storage device comprises a base, be fixed with casing and support on the base, but rotatable the installing has the agitator tank between casing and support, be equipped with the (mixing) shaft that the level was arranged in the agitator tank, install the stirring leaf on the (mixing) shaft, install driving motor in the casing, driving motor drive (mixing) shaft and agitator tank reverse rotation, agitator tank center department is equipped with the business turn over material mouth, business turn over material mouth department installs the valve, be fixed with the stupefied strip of a plurality of first stupefied strips and a plurality of second on the agitator tank inner wall, eight shapes in the axis symmetric distribution formation of business turn over material mouth are followed to the stupe. The utility model has the advantages that: through making agitator tank and (mixing) shaft counter-rotation, stir the powder by the stirring leaf, can take the bottom powder through first stupefied strip and second stupefied strip when the agitator tank is rotatory, the bottom powder is brought the back and is fallen down when contacting with the stirring leaf to reduce the stirring blind spot, improve and mix the stirring effect.

Description

Powder mixing and stirring device for repairing roller

Technical Field

The utility model relates to a powder compounding agitated vessel technical field, especially a roll is restoreed and is used powder compounding agitating unit.

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, mixed alloy powder needs to be prepared, the alloy powder is stirred and mixed by a stirring device, but the stirring efficiency of the existing stirring device is low in the using process, the stirring effect of the alloy powder for repairing the roller is poor, the powder is not uniformly mixed, and the repairing quality of the roller is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a powder compounding agitating unit for roll restoration has been designed.

The technical scheme of the utility model is that, a powder mixing stirring device for repairing roller comprises a base, a casing and a support are fixed on the base, a stirring tank is arranged between the casing and the support, the axis of the stirring tank is positioned on a horizontal plane, a horizontally arranged stirring shaft is arranged in the stirring tank, stirring blades are installed on the stirring shaft, the stirring tank comprises a large cylinder section positioned in the middle of the stirring tank, two conical cylinder sections positioned at two ends of the large cylinder section and two small cylinder sections positioned at the outermost side of the large cylinder section, the axis of the large cylinder section is coincided with the axis of the small cylinder sections, one of the small cylinder sections is installed on the casing through a first bearing and extends into the casing to be installed with a big gear, the other small cylinder section is installed on the support through a second bearing, dust bearings are installed in the two small cylinder sections in a sealing way, the stirring shaft is installed in the dust bearings, one end of the stirring shaft extends into the machine shell and is provided with a first driven belt pulley and a second driven belt pulley, a driving motor is arranged in the shell, a driving belt pulley is arranged on an output shaft of the driving motor, the driving belt pulley is in transmission connection with the first driven belt pulley through a first transmission belt pulley, a transmission shaft which is horizontally arranged is also arranged in the machine shell, the transmission shaft is rotatably arranged on the machine shell through a third bearing, a third driven pulley and a pinion are arranged on the transmission shaft, the third driven pulley is in transmission connection with the second driven pulley through a second transmission belt, the pinion is in meshing connection with the bull gear, a material inlet and a material outlet are arranged at the center of the large cylinder section, a valve is arranged at the material inlet and the material outlet, a plurality of first fillets and a plurality of second fillets are fixed on the inner wall of the large cylinder section, the first fillet and the second fillet are symmetrically distributed along the axis of the material inlet and the material outlet to form an inner eight shape.

Preferably, the stirring blade is positioned in the large cylinder section, and the stirring blade is not in contact with the first fillet and the second fillet.

Preferably, the number of teeth of the big gear is more than that of the small gear.

Preferably, the driving motor is a servo motor.

The utility model has the advantages that: through making agitator tank and (mixing) shaft counter-rotation, stir the powder by the stirring leaf, can take the bottom powder through first stupefied strip and second stupefied strip when the agitator tank is rotatory, the bottom powder is brought the back and is fallen down when contacting with the stirring leaf to reduce the stirring blind spot, improve and mix the stirring effect.

Drawings

FIG. 1 is a schematic structural view of a powder mixing and stirring device for repairing a roller of the present invention;

FIG. 2 is a front view of the powder mixing and stirring device for repairing a roller of the present invention;

FIG. 3 is a cross-sectional view of the agitator tank of the present invention;

in the figure, 1, a base; 2. a housing; 3. a support; 4. a stirring tank; 5. a stirring shaft; 6. stirring blades; 7. a first bearing; 8. a bull gear; 9. a second bearing; 10. a dust-proof bearing; 11. a first driven pulley; 12. a second driven pulley; 13. a drive motor; 14. a drive pulley; 15. a first drive pulley; 16. a drive shaft; 17. a third bearing; 18. a fourth driven pulley; 19. a pinion gear; 20. a second drive pulley; 21. feeding and discharging ports; 22. a valve; 23. a first fillet; 24. a second fillet; 41. a large cylindrical section; 42. a conical section; 43. a small cylindrical section.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-3: a powder mixing and stirring device for repairing a roller comprises a base 1, a machine shell 2 and a support 3 are fixed on the base 1, a stirring tank 4 is arranged between the machine shell 2 and the support 3, the axis of the stirring tank 4 is positioned on a horizontal plane, a stirring shaft 5 which is horizontally arranged is arranged in the stirring tank 4, a stirring blade 6 is arranged on the stirring shaft 5, the stirring tank 4 comprises a large cylinder section 41 positioned in the middle of the stirring tank, two conical cylinder sections 42 positioned at two ends of the large cylinder section 41 and two small cylinder sections 43 positioned at the outermost sides of the large cylinder section, the axis of the large cylinder section 41 is superposed with the axis of the small cylinder sections 43, one small cylinder section 43 is arranged on the machine shell 2 through a first bearing 7 and extends into the machine shell 2 to be provided with a large gear 8, the other small cylinder section 43 is arranged on the support 3 through a second bearing 9, dustproof bearings 10 are hermetically arranged in the two small cylinder sections 43, the stirring shaft 5 is arranged in, the dustproof bearing 10 separates the stirring tank 4 to prevent powder in the stirring tank 4 from being discharged from the small cylinder section 43, one end of the stirring shaft 5 extends into the machine shell 2 and is provided with a first driven pulley 11 and a second driven pulley 12, the machine shell 2 is internally provided with the driving motor 13, the output shaft of the driving motor 13 is provided with the driving pulley 14, the driving pulley 14 is in transmission connection with the first driven pulley 11 through the first transmission pulley 15, the machine shell 2 is also internally provided with the horizontally arranged transmission shaft 16, the transmission shaft 16 is rotatably arranged on the machine shell 2 through the third bearing 17, the transmission shaft 16 is provided with the third driven pulley 18 and the pinion 19, the third driven pulley 18 is in transmission connection with the second driven pulley 12 through the second transmission belt 20, the pinion 19 is in meshing connection with the gearwheel 8, the center of the large cylinder section 41 is provided with the material inlet and outlet 21, and the material inlet and outlet 21 is, a plurality of first fillets 23 and a plurality of second fillets 24 are fixed on the inner wall of the large cylindrical section 41, and the first fillets 23 and the second fillets 24 are symmetrically distributed along the axis of the material inlet/outlet 21 to form an inner eight shape. First stupefied strip 23 and second stupefied strip 24 can take the bottom powder up, make the bottom powder by taking the back fall down when contacting with stirring leaf 6, and the arrangement of interior eight shapes makes the ejection of compact, and first stupefied strip 23 and second stupefied strip 24 can not restrict the powder and pass in and out discharge gate 21 landing downwards, and the powder of first stupefied strip 23 and second stupefied strip 24 department can receive gravity to pass in and out discharge gate 21 landing.

The stirring blade 6 is positioned in the large cylindrical section 41, the powder at the conical section 42 is gathered in the large cylindrical section 41 by gravity and is contacted with the stirring blade 6, the stirring blade 6 is not contacted with the first fillet 23 and the second fillet 24, but a small gap is left, and the contact surface with the powder is improved.

8 tooth counts of gear wheel are more than 19 tooth counts of pinion to make 4 rotational speeds of agitator tank be less than (mixing) shaft 5, agitator tank 4's rotational speed is unnecessary too fast, and agitator tank 4 main function is to take the bottom powder, makes the powder stirring.

The driving motor 13 is a servo motor, which is convenient for controlling the rotation times and angle of the stirring tank 4, so that the material inlet and outlet 21 faces downwards after the stirring is finished.

The working principle of the embodiment is as follows: manually opening a valve 22, weighing powder to be mixed and stirred one by one, then putting the powder into a stirring tank 4 through a material inlet and outlet 21, closing the valve 22, starting a driving motor 13, driving the driving motor 13 to drive a first driving belt and a first driven belt pulley 11 to move through a driving belt pulley 14, driving a stirring shaft 5 to rotate along with the first driven belt pulley 11, stirring the powder in the stirring tank 4 by a stirring blade 6, simultaneously driving a second driven belt pulley 12 to rotate along with the stirring shaft 5, driving a third driven belt pulley, a transmission shaft 16 and a pinion 19 to rotate through a second driving belt 12, driving a bull gear 8 and the stirring tank 4 to rotate through the pinion 19, wherein the stirring tank 4 and the stirring blade 6 rotate in opposite directions, the first ribs 23 and the second ribs 24 take up the powder which cannot be contacted with the stirring blade 6 at the bottom, and the powder is contacted with the stirring blade 6 when the powder falls down after being taken up, thereby uniformly stirring the powder; the driving motor 13 is a servo motor, rotates for a specified number of turns according to a program set by a controller, the material inlet and outlet 21 faces downwards right after stirring is completed, and the powder falls down from the material inlet and outlet 21 under the action of gravity after the valve 22 is opened; the first fillet 23 and the second fillet 24 form an inner eight shape, so that the powder cannot be limited to slide towards the downward feeding and discharging port 21, and the powder at the first fillet 23 and the second fillet 24 can slide down towards the feeding and discharging port 21 under the action of gravity along the inclined edges of the powder.

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 powder compounding agitating unit, includes base (1), is fixed with casing (2) and support (3) on base (1), be equipped with agitator tank (4) between casing (2) and support (3), agitator tank (4) axis is on the horizontal plane, be equipped with horizontally arranged (mixing) shaft (5) in agitator tank (4), install stirring leaf (6) on (mixing) shaft (5), its characterized in that, agitator tank (4) are including being located big cylinder section (41) among them, being located two cone section (42) at big cylinder section (41) both ends, being located two small circle section (43) of its outside, big cylinder section (41) axis and small circle section (43) axis coincidence, one of them small circle section (43) are installed on casing (2) through first bearing (7), and stretch into casing (2) and install gear wheel (8), another install on support (3) small circle section (43) through second bearing (9), two equal seal installation has dust bearing (10) in small circle section (43), (mixing) shaft (5) are installed in dust bearing (10), (mixing) shaft (5) one end stretches into in casing (2) and installs first driven pulley (11) and second driven pulley (12), install driving motor (13) in casing (2), install driving pulley (14) on driving motor (13) output shaft, driving pulley (14) are connected with first driven pulley (11) transmission through first drive pulley (15), still be equipped with horizontally arranged's transmission shaft (16) in casing (2), rotatable the installation on casing (2) is passed through third bearing (17) in transmission shaft (16), install third driven pulley (18) and pinion (19) on transmission shaft (16), third driven pulley (18) are connected through second driving belt (20) and second driven pulley (12) transmission, pinion (19) are connected with gear wheel (8) meshing, big cylinder section (41) center department is equipped with into discharge gate (21), valve (22) are installed to into discharge gate (21) department, be fixed with a plurality of first stupefied strip (23) and a plurality of second stupefied strip (24) on big cylinder section (41) inner wall, eight shapes in the axis symmetric distribution formation of business turn over discharge gate (21) are followed to first stupefied strip (23) and second stupefied strip (24).

2. A roll repairing powder mixing and stirring device as claimed in claim 1, wherein the stirring blade (6) is located in the large cylinder section (41), and the stirring blade (6) is not in contact with the first fillet (23) and the second fillet (24).

3. A roll repairing powder mixing agitator as claimed in claim 1, wherein the gear wheel (8) has more teeth than the pinion (19).

4. A roll repairing powder mixing and stirring apparatus as claimed in claim 1, wherein said driving motor (13) is a servo motor.