KR20000012943U - Grease Feeder on Roll Shaft - Google Patents

Abstract

The present invention relates to a grease supply device for a roll shaft, the technical spirit of which is provided on the outer circumferential surface of the roll shaft 20 fixed on the bases 10a and 10b via an inner sliding ring 30a. This rotatable speech is provided, and a grease guide passage 60 through which a grease supply pipe 50 is connected is formed at an end of the roll shaft 20, and the grease guide passage 60 is roll shaft 20. Outlets 62a and 62b are formed to face each other on both sides of the main surface of the roll shaft 20, and a screw groove 70 for smoothly supplying and discharging grease is integrally formed on the outer circumferential surface of the roll shaft 20. .

Accordingly, while supplying and discharging grease for smooth operation of the rolling roll or the rolling roll for the rolling process is performed smoothly, the grease is prevented from solidifying inside, thereby preventing breakage of the roll and the roll shaft. .

Description

Grease Feeder on Roll Shaft

The present invention relates to a grease supply device for supplying and discharging grease to a shaft of a rolling roll used in a continuous casting process or a rotating roll for transferring a material, and more particularly, to a screw groove formed on an outer circumferential surface of a roll shaft. In this way, the grease supply device of the roll shaft to prevent the malfunction of the roll shaft due to the grease shortage or hardening due to the grease supply is more smoothly performed, and the external discharge of the grease gathered inside the shaft is easy. It is about.

In general, in the continuous casting process, as shown in Figure 1, for the smooth rotation operation of the rolling roll 140 for compressing the raw material to produce a steel sheet product, and the rotary roll 130 for rotating the material to convey the raw material Grease (grease) is supplied, the molten steel discharged from the ladle 100 through the tundish 110 and the mold 120, the material (S) discharged as a plurality of rotating rolls 130 and rolling rolls 140 It is manufactured as a product through several rolling processes.

In the grease supply apparatus 200 of the conventional roll shaft related to the above technique, as shown in FIGS. 2 and 3, the roll shaft 220 is fixed to the base 210a and 210b provided to face each other. 220a), roll 230 is rotatably rolled through the inner sliding ring 230a on the outer circumferential surface of the roll shaft 220 to the inside of the base 210, and the base 210 and the roll ( A flow preventing ring 240 is fixed between the 230 and the sliding ring 230a, and a grease tube connected to the distribution valve 224 distributing grease supplied as a grease pump 222 inside the roll shaft 220. The grease guide passage 228 to which the 226 is connected is integrally formed to a predetermined depth, and has a structure in which an inner space A in which grease gathers is formed inside the sliding ring 230a.

Therefore, in the grease supply apparatus 200 of the conventional roll shaft as described above, the operator operates the grease pump 222 to guide the inside of the grease tube 226 and the roll shaft 220 through the distribution valve 224. When grease is supplied through the passage 228, the outlet portion of the guide passage 228 is supplied to the contact portion between the roll shaft 220 and the inner sliding ring 230a, thereby rolling the roll shaft 220 around the shaft. 230 is to smoothly rotate to transport the material (S).

However, in the grease supply apparatus 200 of the conventional roll shaft as described above, as shown in FIGS. 2 and 3, grease supplied through the inner guide passage 228 of the roll shaft 220 slides. There was a problem that the smooth rotation operation of the roll 230 was difficult because the ring 230a and the roll shaft 220 were not uniformly distributed over the entire outer circumferential surface.

In addition, since the external discharge of the grease supplied to the inside becomes difficult, when the roll 230 is not used, the internal grease hardens to block the supply of new grease, and thus the roll in the continuous casting process in which high heat and dust are generated. There was a problem that its own operation is poor.

In addition, since the roll is operated without smooth supply and discharge of grease, breakage of the roll shaft and the roll frequently occurs, thereby increasing boss and maintenance costs due to equipment damage and replacement. There were problems.

The present invention has been made in order to improve the various problems as described above, the purpose of the grease movement screw groove formed on the outer circumferential surface of the roll shaft, the supply and external discharge of grease to the roll shaft is more smoothly performed In order to provide a grease supply device for a roll shaft, grease collected between the shaft and the roll does not harden when the roll is not used, thereby preventing the roll shaft from malfunctioning.

In addition, another object of the present invention is to improve the operability of the rolling roll or the rotary roll by supplying grease smoothly, while improving the productivity of the rolling process, while easy to manufacture and installation work with a simple structure improves workability It is to provide a grease supply of the roll shaft.

1 is a schematic view showing a general continuous casting process

Figure 2 is a front configuration diagram showing a grease supply apparatus of a conventional roll shaft

3 is a main view showing a roll shaft for supplying a conventional grease

Figure 4 is a front configuration diagram showing a grease supply apparatus of the roll shaft according to the present invention

5 is a main view showing a roll shaft of the grease supply device of the present invention

Explanation of symbols on the main parts of the drawings

1 .... Grease Supply 10 .... Base

20 .... roll shaft 30 .... roll

30a .... sliding ring 40 .... anti-flow ring

50 .... Grease supply line 60 .... Guide passage

70 .... screw groove

As a technical means for achieving the above object, the present invention, the outer circumferential surface of the roll shaft fixed to the base installed so as to face the roll to be rotatable through the inner sliding ring, the base and the roll and the sliding ring In the grease supply apparatus of the roll shaft in which a flow preventing ring is fixed to the outer circumferential surface of the roll shaft, and a grease guide passage is formed inside the roll shaft to supply grease to the grease.

The grease guide passage formed in the roll shaft is formed with outlets facing each other on both sides of the main surface of the roll shaft, and screw grooves are integrally formed on the outer circumferential surface of the roll shaft to facilitate external discharge and surface distribution of grease in the longitudinal direction. By providing a grease supply to the roll shaft.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

4 is an overall configuration diagram showing a grease supply device of a roll shaft according to the present invention, Figure 5 is a main view showing a roll shaft of the grease supply device of the present invention, the base (10a) (10b) installed to face On the outer circumferential surface of the roll shaft 20 fixed to the roll 30 is rolled so as to be rotatable through the inner sliding ring 30a, the roll between the base 10 and the roll 30 and the sliding ring 30a The flow preventing ring 40 is fixed to the outer circumferential surface of the shaft 20.

In addition, a grease guide passage 60 through which the grease supply pipe 50 is connected to the inside of the roll shaft 20 is integrally formed, and the grease guide passage 60 is formed in the roll shaft 20. Outlets 62a and 62b are formed to face each other on both sides of the main surface, and screw grooves 70 are formed integrally on the outer circumferential surface of the roll shaft 20 to facilitate external discharge and surface distribution of grease in the longitudinal direction. It is made up of configurations.

Referring to the operation of the present invention made of the configuration as described above are as follows.

As shown in FIGS. 4 and 5, after supplying grease to the roll sharp 20 for smooth operation of the rolling roll for continuous casting or the rotating roll 30 for conveying the raw material S, as well as A grease supply device 1 for smoothly carrying out an external grease operation is as follows.

First, as shown in Figure 4, the center portion of the B-shaped base (10a) (10b) is installed so that the inner surface facing each other is provided with a mounting groove 11 for mounting a bearing (not shown) roll shaft 20 is rotatably fixed, and an end portion 20a protruding out of the base 10 of the roll shaft 20 is supported by a fixing plate 10c horizontally installed on the base 10 so that the fixing plate 10c and the shaft are supported. The support plate 10d is fixedly coupled to the end 20a and the upper side thereof as a fixing bolt and a nut so that the roll shaft 20 is rolled between the bases 10a and 10b.

At this time, the outer circumferential surface of the roll shaft 20 is rolled so that the roll 30 is rotatable through a non-slip ring 30a in which a predetermined space, that is, a space A for collecting grease, is formed. On both sides of the 30, a flow preventing ring 40 is fixed between the central portion of the roll 30, both ends of the sliding ring 30a and the inner surface of the base 10 to prevent the flow of the roll 30. .

On the other hand, the roll 30 and the inner sliding ring 30a is rotated about the roll shaft 20 to rotate the material S to the upper side of the roll 30, the inside of the roll shaft 20 The grease guide passage 60 is integrally formed from one side and the other end to the center portion at a predetermined depth, and the outlets 62a and 62b of the grease guide passage 60 are both sides of the outer circumferential surface of the roll shaft 20. Are formed in opposite directions to each other, and a grease supply pipe 50 is connected to the outer end of the grease guide passage 60 as a nozzle 50a.

Thus, as shown in FIGS. 4 and 5. When grease is supplied to the inner grease guide passage 60 of the roll shaft 20 along the distribution valve 52 and the supply pipe 50 to which grease is supplied from the supply pump 54 connected to the other side of the grease supply pipe 50, Grease is supplied to the contact portion between the outer circumferential surface of the roll shaft 20 and the inner sliding ring 30a through the outlets 62a and 62b of the guide passage 60.

At this time, grease is supplied to the friction ring between the sliding ring 30a and the roll shaft 20 and the roll 30 which are integrally rotated while the roll 30 rotates, thereby smoothly rotating the roll 30. Will be.

In addition, a screw groove 70 is integrally formed on the outer circumferential surface of the roll shaft 20 in the longitudinal direction to the inner part of the base 10, so that the roll shaft 20 and the sliding ring 30a when the pump 54 is operated. The grease supplied therebetween is uniformly distributed in the lengthwise direction by the screw groove 70 of the roll shaft 20, so that the distribution state of the supplied grease of the roll shaft 20 is uniform, and thus, the roll 30 Rotating operation is made even smoother.

At this time, as shown in Figure 5, the grease collected in the central portion of the sliding ring (30a) is easily discharged to the outside of the roll shaft 20 by the screw groove 70, and thus to the overall roll 30 Supply and discharge of grease to the outside is smoothly performed.

Accordingly, as a simple structure for forming the screw groove 70 on the outer circumferential surface of the roll shaft 20, the grease supply of the roll shaft 20 and the external discharge after use are smoothly performed, so It is also easy to manufacture and install.

As described above, according to the grease supply apparatus of the roll shaft of the present invention, the grease supply operation can be performed more smoothly, and the external discharge of the grease collected in the shaft is easy, thereby preventing the malfunction of the roll shaft due to the grease. It is effective to prevent breakage of the roll and the roll shaft.

In addition, since the supply of grease is smooth and the operability of the rolling roll or the rotating roll is improved, the productivity of the overall rolling process is improved, and the manufacturing and installation work is easily performed with a simple structure.

Claims (1)

On the outer circumferential surface of the roll shaft 20 fixed to the bases 10a and 10b installed to face each other, the roll 30 is rotatably rotated through an inner sliding ring 30a, and the base 10 and the roll ( A flow preventing ring 40 is fixed to the outer circumferential surface of the roll shaft 20 between the slide shaft 30 and the sliding ring 30a, and a grease guide passage through which the supply pipe 50 is connected to supply grease to the inner side of the roll shaft 20. In the grease supply apparatus 1 of the roll shaft 20 in which 60 is formed, The grease guide passages 60 formed on the roll shaft 20 are formed with outlets 62a and 62b facing each other on both sides of the main surface of the roll shaft 20, and the outer circumferential surface of the roll shaft 20 in the longitudinal direction. The grease supply device of the roll shaft, characterized in that the screw groove 70 is formed integrally to facilitate the external discharge of the grease and the surface distribution.