阅读说明：本技术 一种轧机油气润滑系统 (Oil-gas lubricating system of rolling mill ) 是由 聂康乐 于 2019-11-13 设计创作，主要内容包括：本发明提供一种轧机油气润滑系统,该系统包括油气润滑站、卫星站、平辊轧机、立辊轧机、油液收集箱,所述卫星站包括递进分配器、油气混合块,所述油气润滑站连接卫星站内的递进分配器,所述递进分配器连接到油气混合块,所述压缩空气机与卫星站内油气混合块连接,所述油气混合块对应设置有多个输出管路,多个所述输出管路上均安装有流量调节阀,所述流量调节阀一端连接在油气混合块的输出管路上,另一端均连接到油液收集箱,所述混合块的输出管路连接轧机轴承座。该发明的有益效果是：能够灵活调节各轧机的工作状态,防止轧机递进分配器卡塞或管路不畅时工作,同时对过余油液进行回收和二次利用,操作简单,节能增效。(The invention provides an oil-gas lubrication system of a rolling mill, which comprises an oil-gas lubrication station, a satellite station, a plain-barreled rolling mill, a vertical rolling mill and an oil-liquid collecting box, wherein the satellite station comprises a progressive distributor and an oil-gas mixing block, the oil-gas lubrication station is connected with the progressive distributor in the satellite station, the progressive distributor is connected to the oil-gas mixing block, a compressed air machine is connected with the oil-gas mixing block in the satellite station, the oil-gas mixing block is correspondingly provided with a plurality of output pipelines, flow regulating valves are respectively arranged on the plurality of output pipelines, one end of each flow regulating valve is connected to the output pipeline of the oil-gas mixing block, the other end of each flow regulating valve is connected to the oil-liquid collecting box. The beneficial effects of the invention are: the working state of each rolling mill can be flexibly adjusted, the rolling mill is prevented from working when the progressive distributor is blocked or a pipeline is not smooth, meanwhile, surplus oil is recycled and secondarily utilized, the operation is simple, energy is saved, and the effect is increased.)

1. An oil-gas lubrication system of a rolling mill is characterized in that: the system comprises an oil-gas lubrication station, a satellite station, a rolling mill and an oil-gas collecting box, wherein the satellite station comprises a progressive distributor and an oil-gas mixing block, the oil-gas lubrication station is connected with the progressive distributor in the satellite station, an output port of the progressive distributor is connected to an input port of the oil-gas mixing block, a compressed air machine is connected with the oil-gas mixing block in the satellite station through a compressed air pipe, a flow regulating valve is installed on an output pipeline of the oil-gas mixing block, one end of the flow regulating valve is connected to the output pipeline of the oil-gas mixing block, the other end of the flow regulating valve is connected to the oil-gas collecting box, the output pipeline of the oil-gas mixing block is connected with a bearing seat of the rolling mill, an electromagnetic reversing valve is.

2. The rolling mill oil-gas lubrication system according to claim 1, wherein: and an output pipeline of the oil-gas mixing block is connected to a secondary distributor, and the secondary distributor is connected with a rolling mill bearing seat of a rolling mill.

3. The rolling mill oil-gas lubrication system according to claim 1, wherein: the progressive distributor is provided with a plurality of output ports, the oil-gas mixing block is provided with a plurality of input ports, the plurality of output ports of the progressive distributor are respectively connected to the plurality of input ports of the oil-gas mixing block, the oil-gas mixing block is provided with a plurality of output pipelines corresponding to the plurality of input ports, and the plurality of output pipelines are all provided with flow regulating valves.

4. The rolling mill oil-gas lubrication system according to claim 1, wherein: the satellite stations are multiple, and the rolling mills comprise flat rolling mills and vertical rolling mills, and are also multiple.

5. The rolling mill oil-gas lubrication system according to claim 1, wherein: an air filter is connected between the compressed air machine and the oil-gas mixing block.

6. The rolling mill oil-gas lubrication system according to claim 1, wherein: and an air regulating valve is connected between the compressed air machine and the oil-gas mixing block.

7. The rolling mill oil-gas lubrication system according to claim 1, wherein: and a pressure switch is connected between the compressed air machine and the oil-gas mixing block.

8. The rolling mill oil-gas lubrication system according to claim 1, wherein: and an oil filter is also connected between the oil-gas lubrication station and the progressive distributor.

9. The rolling mill oil-gas lubrication system according to claim 1, wherein: and a one-way throttle valve is also connected between the oil-gas lubrication station and the progressive distributor.

10. The rolling mill oil-gas lubrication system according to claim 1, wherein: and high-pressure ball valves are arranged between the oil-gas lubricating station and the progressive distributor and between the compressed air machine and the oil-gas mixing block.

Technical Field

The invention relates to the technical field of rolling mills, in particular to an oil-gas lubricating system of a rolling mill.

Background

The oil-gas lubrication is a novel gas-liquid two-phase fluid cooling and lubricating technology, and is more suitable for occasions with high temperature, heavy load, high speed, extremely low speed and severe working conditions with cooling water and dirt invading lubricating points than the traditional single-phase fluid lubricating technology, greatly prolongs the service life of a friction pair, and improves the field environment, so the oil-gas lubrication is more and more widely applied in the field of metallurgical industry.

In rolling mill equipment for section steel and plate strip steel, a satellite station generally provides a lubricating oil source for bearing seats of two or more rolling mills, an oil outlet pipe of each satellite station is connected with one bearing seat, and the abrasion conditions of rollers of each rolling mill are different in the use process, so that the roller changing time is not uniform.

Disclosure of Invention

In view of the above, the invention aims to provide an oil-gas lubrication system for a rolling mill, which solves the problems that when a satellite station supplies oil to the rolling mill, a single roller is inconvenient to change, and when a single rolling mill or a part of bearing seats are not installed in place, oil is blocked, and components are easy to damage, and further makes the use process of rolling mill equipment more convenient.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the oil-gas lubrication system of the rolling mill comprises an oil-gas lubrication station, a satellite station, the rolling mill and a oil-gas collecting box, wherein the satellite station comprises a progressive distributor and an oil-gas mixing block, the oil-gas lubrication station is connected with the progressive distributor in the satellite station, an output port of the progressive distributor is connected to an input port of the oil-gas mixing block, a compressed air machine is connected with the oil-gas mixing block in the satellite station through a compressed air pipe, a flow regulating valve is installed on an output pipeline of the oil-gas mixing block, one end of the flow regulating valve is connected to the output pipeline of the oil-gas mixing block, the other end of the flow regulating valve is connected to the oil-gas collecting box, the output pipeline of the oil-gas mixing block is connected with a bearing seat of the rolling mill, an electromagnetic reversing valve.

Further, an output pipeline of the oil-gas mixing block is connected to a secondary distributor, and the secondary distributor is connected with a rolling mill bearing seat of a rolling mill.

Furthermore, the distributor that advances has a plurality of output ports, the oil-gas mixing piece has a plurality of input ports, a plurality of output ports of distributor that advances are connected to a plurality of input ports of oil-gas mixing piece respectively, the oil-gas mixing piece corresponds a plurality of input ports and is provided with a plurality of output line, and is a plurality of all install flow control valve on the output line.

Further, there are a plurality of satellite stations, and the rolling mill includes a flat rolling mill and a vertical rolling mill, and there are a plurality of rolling mills.

Furthermore, an air filter is connected between the compressed air machine and the oil-gas mixing block, and impurities in the compressed air are filtered out.

Further, an air regulating valve is connected between the compressed air machine and the oil-gas mixing block to regulate the pressure of compressed air in the compressed air pipe.

Furthermore, a pressure switch is connected between the compressed air machine and the oil-gas mixing block, the pressure of compressed air in the compressed air pipe is detected, and when the pressure of the compressed air is lower than a set value, the pressure switch is closed to stop providing the compressed air for the oil-gas mixing block.

Furthermore, an oil filter is connected between the oil-gas lubrication station and the progressive distributor, and impurities in the oil supply pipeline are filtered out.

Furthermore, a one-way throttle valve is connected between the oil-gas lubrication station and the progressive distributor, and the oil inlet amount can be adjusted by manually adjusting the one-way throttle valve.

Furthermore, high-pressure ball valves are arranged between the oil-gas lubrication station and the progressive distributor and between the compressed air machine and the oil-gas mixing block, and the on-off of the power oil source and the compressed air is controlled by manually controlling the on-off of the high-pressure ball valves.

Furthermore, an oil pressure gauge and an air pressure gauge are respectively arranged between the oil-gas lubrication station and the progressive distributor and between the compressed air machine and the oil-gas mixing block, so that on-site inspection personnel can conveniently check the oil pressure gauge and the air pressure gauge at any time.

Compared with the prior art, the oil-gas lubricating system for the rolling mill has the following advantages:

according to the oil-gas lubricating system of the rolling mill, the introduction and mixing of oil gas in the satellite station are controlled through the two-position two-way electromagnetic valve and the electromagnetic directional valve, the traditional oil-gas mixing block is modified, the flow regulating valve is installed on each oil outlet pipe of the oil-gas mixing block to control the oil outlet of the oil outlet pipe, the oil recovery box is additionally arranged, the working state of each rolling mill can be flexibly regulated, the rolling mill is prevented from working when a distributor is blocked or a pipeline is not smooth, meanwhile, the surplus oil is recovered and reutilized, the operation is simple, and the energy is saved and the efficiency is increased.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment 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 a schematic view of an oil-air lubrication system of a rolling mill according to an embodiment of the present invention;

fig. 2 is an internal schematic view of the satellite station of fig. 1.

Description of reference numerals:

1-oil-gas lubrication station; 2-a satellite station; 3-a secondary distributor; 4-a vertical rolling mill; 5-a plain-rolling mill; 6-an oil liquid collecting box; 7-progressive dispensers; 8-oil and gas mixing is fast; 9-a compressed air machine; 10-PSL06-01 type flow regulating valve; 11-a high pressure ball valve; 12-an air filter; 13-a two-position two-way solenoid valve; 14-gas pressure gauge; 15-air pressure regulating valve; 16-a pressure switch; 17-a solenoid directional valve; 18-one-way throttle valve; 19-an oil filter; 20-oil pressure gauge.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in figures 1 and 2, the oil-gas lubrication system of the rolling mill comprises an oil-gas lubrication station 1, a satellite station 2, the rolling mill and an oil liquid collecting box 6, the satellite station 2 comprises a progressive distributor 7 and an oil-gas mixing block, the oil-gas lubrication station 1 is connected with the progressive distributor 7 in the satellite station 2, the output port of the progressive distributor 7 is connected to the input port of the oil-gas mixing block, the compressed air machine 9 is connected with the oil-gas mixing block in the satellite station 2 through a compressed air pipe, a flow regulating valve 10 is arranged on the output pipeline of the oil-gas mixing block, one end of the flow regulating valve 10 is connected on the output pipeline of the oil-gas mixing block, the other end is connected to the oil liquid collecting box 6, the output pipeline of the oil-gas mixing block is connected with a bearing seat of a rolling mill, an electromagnetic directional valve 17 is connected between the oil-gas lubrication station 1 and the progressive distributor 7, and a two-position two-way electromagnetic valve 13 is connected between the compressed air machine 9 and the oil-gas mixing block.

The output pipeline of the oil-gas mixing block is connected to a secondary distributor 3, and the secondary distributor 3 is connected with a rolling mill bearing seat of a rolling mill.

The progressive distributor 7 is provided with a plurality of output ports, the oil-gas mixing block is provided with a plurality of input ports, the plurality of output ports of the progressive distributor 7 are respectively connected to the plurality of input ports of the oil-gas mixing block, the oil-gas mixing block is provided with a plurality of output pipelines corresponding to the plurality of input ports, and the plurality of output pipelines are provided with flow regulating valves 10.

The satellite station 2 has a plurality of, and oil gas lubrication station 1, compressed air machine 9 and fluid collecting box 6 provide the collection of power oil source, compressed air and return oil for a plurality of satellite station 2, the rolling mill includes plain-barreled mill 5 and edger mill 4, and all has a plurality ofly, and a satellite station 2 provides the lubricating oil source for a plurality of rolling mills.

An air filter 12 is connected between the compressed air machine 9 and the oil-gas mixing block to filter out impurities in the compressed air.

An air regulating valve is connected between the compressed air machine 9 and the oil-gas mixing block to regulate the pressure of compressed air in the compressed air pipe.

And a pressure switch 16 is connected between the compressed air machine 9 and the oil-gas mixing block, the pressure of the compressed air in the compressed air pipe is detected, and when the pressure of the compressed air is lower than a set value, the pressure switch 16 is closed to stop providing the compressed air for the oil-gas mixing block.

An oil filter 19 is connected between the oil-gas lubrication station 1 and the progressive distributor 7 to filter out impurities in the oil supply pipeline.

And a one-way throttle valve 18 is also connected between the oil-gas lubrication station 1 and the progressive distributor 7, and the oil inlet amount can be adjusted by manually adjusting the one-way throttle valve 18.

And high-pressure ball valves 11 are arranged between the oil-gas lubrication station 1 and the progressive distributor 7 and between the compressed air machine 9 and the oil-gas mixing block, and the on-off of a power oil source and compressed air is controlled by manually controlling the on-off of the high-pressure ball valves 11.

An oil pressure gauge 20 and an air pressure gauge 14 are respectively arranged between the oil-gas lubrication station 1 and the progressive distributor 7 and between the compressed air machine 9 and the oil-gas mixing block, so that on-site inspection personnel can conveniently check the oil-gas lubrication station at any time.

The model of the flow regulating valve 10 is PSL 06-01.

The working process of the embodiment is as follows:

after the connection is completed according to the connection relation, the two-position two-way electromagnetic valve 13 and the electromagnetic directional valve 17 are connected into a PLC (programmable logic controller) electrical control system, the PLC electrical control system controls the opening and closing of the two-position two-way electromagnetic valve 13 and the electromagnetic directional valve 17, and the two high-pressure ball valves 11 are manually opened, so that the oil-gas lubrication station 1 and the compressed air machine 9 are communicated with the interior of the satellite station 2.

When the two-position two-way electromagnetic valve 13 and the electromagnetic directional valve 17 are opened, compressed air is introduced into a compressed air pipe by the air compressor, the compressed air passes through the high-pressure ball valve 11, is filtered by the air filter 12 and then reaches an oil-gas mixing block through the two-position two-way electromagnetic valve 13, the air pressure regulating valve 15 and the pressure switch 16, the air pressure gauge 14 is checked, and the compressed air pressure is regulated to 0.6Mpa through the air regulating valve; meanwhile, a power oil source of the oil-gas lubrication station 1 passes through the high-pressure ball valve 11 and the oil pressure gauge 20, is filtered by the oil filter 19, and then reaches the progressive distributor 7 through the one-way throttle valve 18 and the electromagnetic directional valve 17, and the oil inlet amount can be adjusted by manually adjusting the one-way throttle valve 18.

The oil-gas distributor is provided with a plurality of output pipelines, the power oil source is divided into a plurality of branches, each output pipeline conveys the power oil source to the oil-gas mixing block, compressed air and the power oil source are mixed in the oil-gas mixing block and then correspondingly output to the output pipeline of the oil-gas mixing block, and the output pipelines convey the oil-gas mixed liquid to the bearing seats of the flat rolling mills 5 and the bearing seats of the vertical rolling mills 4 so as to provide lubrication for the bearing seats of the rolling mills.

A PSL06-01 type flow control valve 10 is installed on each output pipeline of the oil-gas mixing block, when a certain flat rolling mill 5 or a vertical rolling mill 4 is not installed in place or needs to be replaced due to roller abrasion, the flow control valve 10 on the output pipeline of the oil-gas mixing block for supplying oil to a bearing seat of the rolling mill is only needed to be opened, so that oil-gas mixed liquid flows into the oil liquid collecting box 6, the phenomenon that the work of the progressive distributor 7 is influenced by too much oil liquid in the oil-gas mixing block and the oil liquid in the oil-gas mixing block reversely enters the air control valve too much is avoided, and the damage to elements.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.