阅读说明：本技术 一种无泄漏轧机工作站轴封装置 (Non-leakage rolling mill workstation shaft seal device ) 是由 陆伟宏 张伟旗 于 2021-09-29 设计创作，主要内容包括：本发明公开了一种无泄漏轧机工作站轴封装置,包括轧机工作站本体,所述轧机工作站本体上设置有油封装置,所述油封装置包括油底壳、骨架油封、带甩油环轴套、“O”型密封圈、密封唇、黄油嘴,所述轧机工作站本体上设置有输入轴,所述带甩油环轴套通过联轴器设置在所述输入轴上。本发明结构设计合理,操作简单易行,润滑密封效果好,安装便利,检修维护工作量少,轴封装置再无泄漏。(The invention discloses a leakage-free shaft seal device for a rolling mill workstation, which comprises a rolling mill workstation body, wherein an oil seal device is arranged on the rolling mill workstation body, the oil seal device comprises an oil pan, a framework oil seal, a shaft sleeve with an oil slinger, an O-shaped seal ring, a seal lip and a grease nipple, an input shaft is arranged on the rolling mill workstation body, and the shaft sleeve with the oil slinger is arranged on the input shaft through a coupling. The invention has the advantages of reasonable structural design, simple and easy operation, good lubricating and sealing effect, convenient installation, less workload of maintenance and repair and no leakage of the shaft seal device.)

1. A shaft seal device of a non-leakage rolling mill workstation is characterized in that,

the oil seal device comprises a rolling mill workstation body, wherein an oil seal device is arranged on the rolling mill workstation body and comprises an oil pan (1), a framework oil seal (2), a shaft sleeve (3) with an oil slinger, an O-shaped sealing ring (4), a sealing lip (5) and a grease nipple (6), an input shaft is arranged on the rolling mill workstation body, and the shaft sleeve (3) with the oil slinger is arranged on the input shaft through a shaft coupler.

2. The seal device for the working station of the non-leakage rolling mill according to claim 1, characterized in that the oil pan (1) is respectively provided with a fixed stop block and a framework oil seal seat.

3. The seal device for a work station of a non-leaking rolling mill according to claim 2,

the sealing lip (5) is arranged between the fixed stop block on the oil pan (1) and the shaft sleeve (3) with the oil slinger.

4. The seal device for a work station of a non-leaking rolling mill according to claim 2,

and an oil filling hole is formed in the framework oil seal seat on the oil pan (1), and the grease nipple (6) is arranged in the oil filling hole.

5. The seal device for a work station of a non-leaking rolling mill according to claim 2,

and an oil injection cavity is additionally arranged on the framework oil seal seat on the oil pan (1), and the oil injection cavity can lubricate the framework oil seal (2).

6. The seal assembly of claim 1 wherein,

the oil slinger with the shaft sleeve (3) is formed by machining the oil slinger and the shaft sleeve into a whole, namely the oil slinger is directly machined on the novel shaft sleeve.

7. The seal device for a work station of a non-leaking rolling mill according to claim 6,

an O-shaped groove is formed in the inner side of the shaft sleeve (3) with the oil slinger, and an O-shaped sealing ring (4) is used for sealing between the output shaft and the shaft sleeve (3) with the oil slinger.

Technical Field

The invention relates to a shaft seal device of a non-leakage rolling mill workstation, which is particularly suitable for a continuous casting and rolling copper rod Morgan rolling mill workstation and belongs to the technical field of mechanical part design and manufacturing industries.

Background

At present, 50% of copper rods in the world are produced by adopting south line SCR technology, and the American SoUTHWIRE company provides 110 SCR systems all over the world, the equipment level of the SCR systems is advanced in the world, the process is mature, the product quality is excellent and stable, 36 SCR systems are introduced only in China, the capacity of bright copper rods exceeds 1000 ten thousand t/a, and some new production lines are used in the beginning in succession, and the SCR continuous casting and rolling copper rod technology and the machine line become the leading method for producing copper wire blanks. The main process flow is as follows: charging hoist → shaft furnace → upper chute → slag box → rotary holding furnace → lower chute → tundish → five-wheel steel strip casting machine → rotary shear → preconditioner → roughing mill group → finishing mill group → acid-free treatment device → defect detector → crimping pinch roll → wax spray device → crimping and baling device. The Morgan rolling mill workstation is a key device of an SCR copper rod production line.

The Morgan rolling mill workstation shaft seal device is the heaviest of the Morgan rolling mill. The sealing reliability is an important condition for ensuring the safe operation of the Morgan rolling mill. Although the technical world of the workstation of the Morgan rolling mill is advanced at present, the last high-speed workstations of the SCR Morgan rolling mill have the problems of complex structural design, easy leakage, inconvenient later maintenance, expensive imported spare parts, long purchase time and the like, so that the oil consumption is high, the site environment is polluted, the cost and the energy consumption are high, the enterprise image is seriously influenced, and the workstation becomes the bottleneck of the production technology of the production line. Moreover, at present, no precedent for improving the shaft seal device of the working station of the SCR Morgan rolling mill or the localization exists at home and abroad, and particularly, with the rapid development of the copper processing technology towards the directions of high efficiency, energy conservation, environmental protection, automation and continuity, a brand-new and localization leakage-free shaft seal device of the working station of the rolling mill is imperative to be researched as soon as possible.

Disclosure of Invention

The invention provides a leakage-free rolling mill workstation shaft seal device, which aims to solve the problems in the prior art, and can achieve the purpose of thoroughly solving the leakage problem of the rolling mill workstation shaft seal device by improving and optimally designing the workstation shaft seal device without changing in the installation process.

In order to achieve the purpose, the invention adopts the technical scheme that: by analyzing the main factor of the easy leakage influence of the rolling mill workstation shaft seal device, redesigning, improving and optimizing the structure size and the sealing form of the shaft seal device, and directly adopting a national standard part to replace an original inlet sealing member, the leakage of the rolling mill workstation shaft seal device can be avoided.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention provides a shaft seal device of a non-leakage rolling mill workstation,

the oil seal device comprises an oil pan, a framework oil seal, an oil slinger shaft sleeve, an O-shaped seal ring, a seal lip and a grease nipple, wherein the oil seal device is arranged on the rolling mill workstation body, the oil seal device comprises the oil pan, the framework oil seal, the oil slinger shaft sleeve, the O-shaped seal ring, the seal lip and the grease nipple, an input shaft is arranged on the rolling mill workstation body, and the oil slinger shaft sleeve is arranged on the input shaft through a shaft coupling.

Preferably, the oil pan is respectively provided with a fixed stop block and a framework oil seal seat in a welded mode.

Preferably, the sealing lip is arranged between the fixed stop block on the oil pan and the shaft sleeve with the oil slinger.

Preferably, an oil filling hole is formed in the framework oil seal seat on the oil pan, and the grease nipple is arranged in the oil filling hole.

Preferably, the framework oil seal seat on the oil pan is additionally provided with an oil injection cavity which can lubricate the framework oil seal.

Preferably, the shaft sleeve with the oil slinger is formed by machining the oil slinger and the shaft sleeve into a whole, namely the oil slinger is directly machined on the novel shaft sleeve.

Preferably, an O-shaped groove is formed in the inner side of the shaft sleeve with the oil slinger, and an O-shaped sealing ring is used for sealing between the output shaft and the shaft sleeve with the oil slinger.

Preferably, the framework oil seal, the O-shaped sealing ring, the sealing lip and the grease nipple are all preferably high-quality national standard parts.

The invention has the beneficial effects

The invention has the advantages of reasonable structural design, simple and easy operation, good lubricating and sealing effect, convenient installation, less workload of maintenance and repair, no leakage of the shaft seal device, capability of prolonging the service life of the sealing element by at least more than two years, capability of ensuring the safe, stable, high-efficiency, low-consumption, economic and environment-friendly operation of the SCR copper rod production line, low cost and energy consumption, capability of saving a large amount of foreign exchanges for the country and wide application range.

Drawings

FIG. 1 is a cross-sectional view of the overall structural design of an embodiment of the present invention.

FIG. 2 is a sectional view showing the original structure of the shaft sealing device in the rolling mill workstation.

Fig. 3 is a sectional view showing the design of the oil pan structure according to the embodiment of the present invention.

FIG. 4 is a cross-sectional view of the framework oil seal structure according to the embodiment of the present invention.

FIG. 5 is a sectional view showing the structural design of the axle sleeve with the slinger and the seal lip in the embodiment of the present invention.

Fig. 6 is a schematic structural design view of an "O" shaped seal ring according to an embodiment of the present invention.

Description of reference numerals: 1-an oil pan; 2-framework oil seal; 3-a shaft sleeve with an oil slinger; 4- "O" type seal ring; 5-sealing lip; 6-grease nipple.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-6, the embodiment of the invention discloses a shaft seal device for a non-leakage rolling mill workstation, which comprises an oil pan 1, a framework oil seal 2, a shaft sleeve 3 with an oil slinger, an "O" -shaped seal ring 4, a seal lip 5 and a grease nipple 6.

The method mainly comprises the following implementation steps: firstly, dismantle former design oil pan flange screw earlier, take off old oil pan, old shaft sleeve, analyze out former design bearing seal device easy leakage's influence main cause, as shown in fig. 2. Secondly, the structural size and the sealing form of the shaft seal device of the embodiment of the invention are redesigned, improved and optimized according to the actual field, as shown in figure 1. Thirdly, manufacturing the oil pan 1 and the shaft sleeve 3 with the oil slinger respectively according to the machining technical requirements. And fourthly, the framework oil seal 2, the O-shaped sealing ring 4, the sealing lip 5 and the grease nozzle 6 are optimized, and no import sealing element needs to be purchased. When the oil-throwing ring oil seal is installed, a sealing element is firstly put into the shaft sleeve 3 with the oil-throwing ring and is installed on the input shaft through the coupler, two groups of seals on the oil pan are installed in place, then the oil pan is installed, and oil is injected into the framework oil seal sealing cavity for standby.

As a further improvement of the scheme, a welding fixed stop block and a framework oil seal seat are respectively arranged on the oil pan 1, as shown in fig. 3;

as a further improvement of the scheme, an oil filling hole is arranged on the oil seal seat of the framework of the oil pan 1, and the grease nipple 6 is arranged in the oil filling hole, as shown in fig. 3;

as a further improvement of the scheme, an oil injection cavity is additionally arranged on the framework oil seal seat of the oil pan 1, as shown in fig. 3, the framework oil seal 2 can be lubricated, and the framework seal 2 is preferably a high-quality national standard part, so that a seal lip can be lubricated, the dry grinding of the lip mouth is prevented, the oil pan is wear-resistant and durable, is not easy to age and lose efficacy, and the service life of the oil pan can be greatly prolonged;

as a further improvement of the scheme, the shaft sleeve 3 with the oil slinger is designed to machine the oil slinger and the shaft sleeve into a whole, namely the oil slinger is directly machined on the novel shaft sleeve, so that the oil slinger is more favorable for rapid oil drainage, and the contact between oil liquid and rotating parts is reduced, as shown in fig. 5;

as a further improvement of the scheme, the sealing lip 5 is additionally arranged between the fixed stop block of the oil pan 1 and the shaft sleeve 3 with the oil slinger, so that the sealing between matched parts can be enhanced, and the leakage of oil liquid is reduced, as shown in fig. 1;

as a further improvement of the scheme, an O-shaped groove is formed in the inner side of the shaft sleeve 3 with the oil slinger, and an O-shaped sealing ring 4 is adopted for sealing between the input shaft and the shaft sleeve 3 with the oil slinger so as to reduce the leakage of oil liquid.

The invention has the advantages of reasonable structural design, simple and easy operation, high equipment utilization rate, good stability, strong safety and reliability, no need of purchasing an imported sealing element, low comprehensive energy consumption cost, capability of thoroughly solving the problem of oil leakage of the shaft seal device of the Morgan rolling mill workstation, and very obvious social and economic benefits.

Finally, it should be noted that: 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 or portions thereof without departing from the spirit and scope of the invention.