CN218517421U

CN218517421U - Intermediate billet surface water retaining device before hot rolling finishing mill entrance

Info

Publication number: CN218517421U
Application number: CN202222192626.XU
Authority: CN
Inventors: 华维; 王贺伟; 刘贤全
Original assignee: Panshi Jianlong Steel Co ltd
Current assignee: Panshi Jianlong Steel Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-02-24
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a middle base surface water retaining device before hot rolling finishing mill entry, including the material loading carriage, material loading carriage top is rotated and is connected with a plurality of material loading roller, a plurality of a chain drive connection is passed through to a gear periphery, the output shaft periphery fixed mounting of material loading motor has gear three, three peripheries of gear with two peripheries of gear are passed through two transmissions of chain and are connected. This kind of intermediate billet surface water retaining device before hot rolling finishing mill entry, adjust from top to bottom through going on with the cylinder, the cylinder drives axle bed and reduction gear decline when the steel billet passes through the driven voller, the roll surface pastes tight steel billet upper surface, the residual water of descaling just so is blocked by the driven voller, other positions of steel billet can't flow, when the steel billet afterbody passes through the driven voller, the cylinder drives axle bed and reduction gear and rises, the cylinder drives the driven voller and falls once more when passing through the driven voller until next steel billet head, so circulate, the efficiency of steel billet surface residual water is detached in the improvement.

Description

Intermediate billet surface water retaining device before hot rolling finishing mill entry

Technical Field

The utility model relates to a steel rolling water trap technical field specifically is a middle base surface water retaining device before hot rolling finishing mill entry.

Background

Due to the descaling process, when the descaling water is opened, a large amount of residual water is left on the upper surface of the intermediate steel billet, so that the intermediate steel billet is easy to generate iron scales, the temperature drop of the process is increased, and the difficulty is brought to the rolling process. In order to remove residual water on the surface, a chain is additionally arranged near a descaling box, and a gas device is additionally arranged for blowing, so that the effect is not ideal; and install the inconvenient thickness according to the steel billet of chain additional and adjust, influence the material loading, install gas device additional and sweep and produce the noise easily, influence staff's normal work.

Therefore, the water retaining device for the surface of the intermediate billet before the inlet of the hot rolling finishing mill is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a middle base surface water retaining device before hot rolling finishing mill entry, including the material loading carriage, material loading carriage top is rotated and is connected with a plurality of material loading roller, is located a plurality of material loading roller one side of material loading carriage all fixed mounting have gear one, a plurality of gear one periphery is connected through chain one transmission, is located one of them gear one side of material loading carriage one side gear one side through connecting axle fixed mounting have gear two, and be located the material loading carriage one side fixed mounting of gear two bottom have a material loading motor, the output shaft periphery fixed mounting of material loading motor has gear three, gear three periphery with gear two periphery is connected through chain two transmission;

a steel billet is arranged at the top of the feeding conveying frame;

the feeding conveying frame is characterized in that a water retaining assembly is arranged at the top of the feeding conveying frame and located on one side of the steel billet, the water retaining assembly comprises a connecting plate arranged at the bottom of the feeding conveying frame, air cylinders are fixedly mounted at two ends of the top of the connecting plate, and a first mounting plate and a second mounting plate are fixedly mounted at the output ends of the tops of the air cylinders respectively.

As a preferred technical scheme of the utility model, there is the axle bed at a mounting panel top through bolt fixed mounting, the axle bed is inside to be connected with the driven voller through the bearing rotation.

As an optimal technical scheme of the utility model, there is the reduction gear two tops of mounting panel through bolt fixed mounting, just there is driving motor two tops of mounting panel through bolt fixed mounting, driving motor's drive shaft pass through the shaft coupling with the input shaft of reduction gear is connected, just the output shaft of reduction gear pass through the shaft coupling with the driven voller other end is connected.

As a preferred technical scheme of the utility model, inside reduction gear one and the reduction gear two of being provided with of reduction gear, reduction gear one with the meshing of reduction gear two phase, reduction gear one with two do not cup joint of reduction gear on the input shaft and the output shaft of reduction gear, just the input shaft and the output shaft of reduction gear extend to respectively the reduction gear outside.

As a preferred technical scheme of the utility model, driven voller one side is provided with scrapes the strip, scrape the all fixedly connected with hornpiece in strip both ends, two horn piece one side respectively through the bolt with axle bed one side with reduction gear one side fixed mounting.

As a preferred technical scheme of the utility model, scrape the strip for having flexible rubber material bar structure, just scrape strip one side and set up there is the inclined plane, inclined plane one side with driven voller one side contacts.

The utility model has the advantages that:

1. the water retaining device for the surface of the intermediate billet in front of the inlet of the hot rolling finishing mill is characterized in that water is retained by the driven roller, the cylinder is used for adjusting the upper part and the lower part, when a billet passes through the driven roller, the cylinder drives the shaft seat and the speed reducer to descend, the roller surface is tightly attached to the upper surface of the billet, so that descaling residual water is retained by the driven roller and cannot flow to other parts of the billet, when the tail part of the billet passes through the driven roller, the cylinder drives the shaft seat and the speed reducer to rise, and when the head part of the next billet passes through the driven roller, the cylinder drives the driven roller to fall down again, so that circulation is realized, and the efficiency of removing the residual water on the surface of the billet is improved;

2. according to the water retaining device for the surface of the intermediate billet in front of the inlet of the hot rolling finishing mill, the driven roller is driven by the two cylinders to move up and down, so that the adjustment is convenient according to the thickness of the billet, the feeding is prevented from being influenced, the noise is not generated, and the normal work of workers is prevented from being influenced;

3. the water retaining device for the surface of the intermediate billet before the inlet of the hot rolling finishing mill is used for removing descaling water remained on the upper surface of a billet, avoiding the generation of scale on the upper surface of the billet too fast, reducing the temperature drop in the billet process and ensuring the rolling temperature and the uniformity thereof;

4. this kind of intermediate billet surface water retaining device before hot rolling finishing mill entry, this technique has replaced preceding chain or gas with the driven voller and has swept, because the driven voller is hugged closely with the steel billet is seamless, therefore the manger plate is effectual, and the pivoted driven voller can not form sliding friction with the steel billet upper surface simultaneously, has avoided the fish tail to the steel billet, and the too fast generation of steel billet oxide scale has been restrained in existing effect, has alleviateed the process temperature drop again, still effectively prevents the fish tail.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall schematic view of a water retaining device for the surface of an intermediate slab before the inlet of a hot finishing mill according to the present invention;

FIG. 2 is an enlarged schematic view of the intermediate slab surface water retaining device of the present invention at the front of the inlet of the hot finishing mill at the position A in FIG. 1;

FIG. 3 is a schematic view of a water retaining assembly of the water retaining device for the surface of the intermediate slab before the inlet of the hot finishing mill of the present invention;

FIG. 4 is a schematic view showing the split of the scraping strip of the water retaining device for the surface of the intermediate slab before the inlet of the hot finishing mill of the present invention;

fig. 5 is an internal schematic view of a reducer of the device for retaining water on the surface of the intermediate slab before the inlet of the hot finishing mill of the present invention.

In the figure: 1. a feeding and conveying frame; 2. a feeding roll shaft; 3. a first gear; 4. a first chain; 5. a second gear; 6. a feeding motor; 7. a third gear; 8. a second chain; 9. a steel billet; 10. a water retaining assembly; 11. a connecting plate; 12. a cylinder; 13. a first mounting plate; 14. a second mounting plate; 15. a shaft seat; 16. a driven roller; 17. a speed reducer; 1701. a first reduction gear; 1702. a second reduction gear; 18. a drive motor; 19. and (6) scraping the strips.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The embodiment is as follows: as shown in fig. 1-5, the utility model relates to a middle base surface water retaining device before hot rolling finishing mill entry, including material loading carriage 1, material loading carriage 1 top is rotated and is connected with a plurality of material loading roller 2, all fixed mounting has gear one 3 on one side of a plurality of material loading roller 2 that is located material loading carriage 1 one side, the periphery of a plurality of gear one 3 is connected through 4 transmissions of chain one, one of them gear one 3 one side that is located material loading carriage 1 side is fixed mounting has gear two 5 through the connecting axle, and material loading carriage 1 one side that is located gear two 5 bottom is fixed mounting has material loading motor 6, the output shaft periphery fixed mounting of material loading motor 6 has gear three 7, the periphery of gear three 7 is connected through two 8 transmissions of chain with gear two 5 periphery;

a billet 9 is arranged at the top of the feeding and conveying frame 1;

the top of the feeding conveying frame 1 on one side of the steel billet 9 is provided with a water retaining assembly 10, the water retaining assembly 10 comprises a connecting plate 11 arranged at the bottom of the feeding conveying frame 1, two ends of the top of the connecting plate 11 are fixedly provided with cylinders 12, and the output ends of the tops of the cylinders 12 are respectively fixedly provided with a first mounting plate 13 and a second mounting plate 14.

The top of the mounting plate I13 is fixedly provided with a shaft seat 15 through a bolt, and the inside of the shaft seat 15 is rotatably connected with a driven roller 16 through a bearing;

the driven roller 16 is convenient to mount through the shaft seat 15, and the driven roller 16 can be in contact with the top of the steel billet 9 to block water on the top of the steel billet 9.

The top of the second mounting plate 14 is fixedly provided with a speed reducer 17 through a bolt, the top of the second mounting plate 14 is fixedly provided with a driving motor 18 through a bolt, a driving shaft of the driving motor 18 is connected with an input shaft of the speed reducer 17 through a coupler, and an output shaft of the speed reducer 17 is connected with the other end of the driven roller 16 through a coupler;

the driving motor 18 is provided to transmit a driving force from the speed reducer 17 to the other end of the driven roller 16, thereby rotating the driven roller 16.

The speed reducer 17 is internally provided with a first reduction gear 1701 and a second reduction gear 1702, the first reduction gear 1701 is meshed with the second reduction gear 1702, the first reduction gear 1701 and the second reduction gear 1702 are respectively sleeved on an input shaft and an output shaft of the speed reducer 17, and the input shaft and the output shaft of the speed reducer 17 respectively extend to the outer side of the speed reducer 17;

the transmission of the driving force inside the reduction gear 17 is realized by the reduction gear one 1701 and the reduction gear two 1702.

Wherein, one side of the driven roller 16 is provided with a scraping strip 19, two ends of the scraping strip 19 are fixedly connected with angle pieces, and one sides of the two angle pieces are respectively and fixedly installed with one side of the shaft seat 15 and one side of the speed reducer 17 through bolts;

the scraping strip 19 can scrape off water on one side of the driven roller 16, and the water is prevented from entering the other side of the driven roller 16 along the driven roller 16 and reaching the top of the other side of the billet 9.

The scraping strip 19 is of a flexible rubber strip-shaped structure, an inclined plane is formed on one side of the scraping strip 19, and one side of the inclined plane is in contact with one side of the driven roller 16;

the scraping strip 19 is of a flexible rubber strip structure, so that friction noise generated when the scraping strip contacts with one side of the driven roller 16 is avoided.

The working principle is as follows: when the device is used, firstly, the device is started, the steel billet 9 is placed on the feeding conveying frame 1, the feeding motor 6 drives the plurality of feeding rollers 2 to rotate through the second chain 8 and the first chain 4, and the steel billet 9 is conveyed to one side of the water retaining assembly 10;

when the billet 9 passes through the driven roller 16, the cylinder 12 drives the shaft seat 15 and the speed reducer 17 to descend, the roller surface is tightly attached to the upper surface of the billet 9, so that the descaling residual water is blocked by the driven roller 16 and cannot flow to other parts of the billet 9, when the tail of the billet 9 passes through the driven roller 16, the cylinder 12 drives the shaft seat 15 and the speed reducer 17 to rise until the head of the next billet 9 passes through the driven roller 16, the cylinder 12 drives the driven roller 16 to fall down again, the circulation is carried out, the scraping strip 19 can scrape off the water adhered to one side of the driven roller 16, and the water is prevented from entering the other side of the driven roller 16 along the driven roller 16 and reaching the top of the other side of the billet 9;

the driving motor 18 can transmit the driving force from the speed reducer 17 to the other end of the driven roller 16 to drive the driven roller 16 to rotate, and the first speed reduction gear 1701 and the second speed reduction gear 1702 realize the transmission of the driving force inside the speed reducer 17.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The water retaining device for the surface of the middle blank before the inlet of the hot rolling finishing mill comprises a feeding conveying frame (1) and is characterized in that the top of the feeding conveying frame (1) is rotatably connected with a plurality of feeding rollers (2), one side of each of the plurality of feeding rollers (2) positioned on one side of the feeding conveying frame (1) is fixedly provided with a first gear (3), the peripheries of the plurality of first gears (3) are in transmission connection through a first chain (4), one side of one first gear (3) positioned on one side of the feeding conveying frame (1) is fixedly provided with a second gear (5) through a connecting shaft, one side of the feeding conveying frame (1) positioned at the bottom of the second gear (5) is fixedly provided with a feeding motor (6), the periphery of an output shaft of the feeding motor (6) is fixedly provided with a third gear (7), and the periphery of the third gear (7) is in transmission connection with the periphery of the second gear (5) through a second chain (8);

a billet (9) is arranged at the top of the feeding and conveying frame (1);

the steel billet feeding and conveying device is characterized in that a water retaining assembly (10) is arranged at the top of the feeding conveying frame (1) on one side of a steel billet (9), the water retaining assembly (10) comprises a connecting plate (11) arranged at the bottom of the feeding conveying frame (1), air cylinders (12) are fixedly arranged at two ends of the top of the connecting plate (11), and a first mounting plate (13) and a second mounting plate (14) are fixedly arranged at the output end of the top of each air cylinder (12) respectively.

2. The device for preventing the surface of the front intermediate billet of the inlet of the hot finishing mill from being blocked as claimed in claim 1, wherein a shaft seat (15) is fixedly arranged at the top of the mounting plate I (13) through a bolt, and a driven roller (16) is rotatably connected inside the shaft seat (15) through a bearing.

3. The device for preventing the surface of the intermediate blank before the inlet of the hot finishing mill from being blocked as claimed in claim 2, wherein a speed reducer (17) is fixedly mounted on the top of the second mounting plate (14) through a bolt, a driving motor (18) is fixedly mounted on the top of the second mounting plate (14) through a bolt, a driving shaft of the driving motor (18) is connected with an input shaft of the speed reducer (17) through a coupler, and an output shaft of the speed reducer (17) is connected with the other end of the driven roller (16) through a coupler.

4. The device for blocking the surface of the intermediate blank before the inlet of the hot rolling finishing mill according to the claim 3, characterized in that a first reduction gear (1701) and a second reduction gear (1702) are arranged inside the reducer (17), the first reduction gear (1701) and the second reduction gear (1702) are meshed, the first reduction gear (1701) and the second reduction gear (1702) are respectively sleeved on an input shaft and an output shaft of the reducer (17), and the input shaft and the output shaft of the reducer (17) respectively extend to the outer side of the reducer (17).

5. The device for preventing the surface of the front intermediate billet of the inlet of the hot finishing mill from being blocked as claimed in claim 4, wherein a scraping strip (19) is arranged on one side of the driven roller (16), corner pieces are fixedly connected to both ends of the scraping strip (19), and one sides of the two corner pieces are fixedly installed on one side of the shaft seat (15) and one side of the speed reducer (17) respectively through bolts.

6. The device for preventing the surface of the intermediate slab before the inlet of the finishing mill from being blocked as claimed in claim 5, wherein said wiper strip (19) has a flexible strip structure made of rubber material, and one side of said wiper strip (19) is provided with an inclined surface, and said inclined surface is in contact with one side of said driven roller (16).