Automatic oil discharge device for vacuum pump of oil suction roller of cold rolling mill

Abstract

The utility model discloses an automatic oil discharge device for a vacuum pump of an oil suction roller of a cold-rolling mill, which relates to the technical field of cold-rolling mills and comprises a vacuum pump, the vacuum pump is communicated with a temporary storage pipe, the temporary storage pipe is communicated with a first pipeline, and one end, far away from the temporary storage pipe, of the first pipeline is divided into two paths, the temporary storage pipe is communicated with a second pipeline, a first collecting box is arranged at the end, away from the temporary storage pipe, of the second pipeline, the first pipeline is communicated with a third pipeline, the end, away from the first pipeline, of the third pipeline is communicated with an air pump, and the second pipeline and the third pipeline are provided with a second electromagnetic valve and a third electromagnetic valve. According to the device, the vacuum pump, the temporary storage pipe and the air pump are arranged in a matched mode, lubricating oil remaining on an embossing face and lubricating oil leaking into the second collecting box after a strip is embossed and adsorbed by the vacuum oil suction roller can be collected, and efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold rolling mill technical field more specifically is related to a cold rolling mill oil absorption roller vacuum pump automatic oil discharge device. BACKGROUND

[0002] In the running process of the cold rolling mill, in order to ensure the rolling quality and reduce the friction between the roll and the strip, usually a thin oil film is coated on the roll surface. This process is realized by the vacuum oil absorption roller to evenly apply lubricating oil on the roll surface. However, in actual operation, the vacuum oil absorption roller will absorb a large amount of lubricating oil, resulting in an excessively thick oil film on its surface, which not only affects the lubrication effect, but also may cause rolling defects. To solve the above problems, the traditional method is to use a vacuum pump to suck the vacuum oil absorption roller to remove excess lubricating oil. However, the existing vacuum pump system has many deficiencies in actual application:

[0003] 1. Low efficiency of manual oil discharge: the traditional system needs to be stopped regularly for manual cleaning of the accumulated lubricating oil at the vacuum oil absorption roller, which not only increases the labor intensity of workers, but also reduces the production efficiency.

[0004] 2. Environmental pollution risk: lubricating oil leakage is easy to occur during manual oil discharge, which not only wastes resources, but also may pollute the working environment, not meeting the environmental protection requirements.

[0005] Therefore, it is necessary to propose a cold rolling mill oil absorption roller vacuum pump automatic oil discharge device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at solving the problems raised in the background art.

[0007] The utility model realizes the above-mentioned purposes by adopting the following technical solutions:

[0008] A cold rolling mill oil absorption roller vacuum pump automatic oil discharge device, comprising a vacuum pump, the vacuum pump is communicated with a temporary storage pipe, the temporary storage pipe is communicated with a first pipeline, the first pipeline is divided into two ways away from the temporary storage pipe, one way is inserted into a second collection box located at the lower end of the vacuum oil absorption roller, and the other way is connected with the vacuum oil absorption roller, and the other way is provided with a fourth electromagnetic valve, the temporary storage pipe is communicated with a second pipeline, a first collection box is arranged at the end of the second pipeline away from the temporary storage pipe, the first pipeline is communicated with a third pipeline, the end of the third pipeline away from the first pipeline is communicated with an air pump, and the second pipeline and the third pipeline are respectively provided with a second electromagnetic valve and a third electromagnetic valve.

[0009] Further, the second collecting box is detachably provided with a filter screen, the filter screen is provided with a insertion hole for the first pipeline to pass through, and the first pipeline above the second collecting box is a hose which can be inserted into the bottom of the second collecting box.

[0010] Further, the inner side of the second collecting box is fixedly connected with a supporting block for supporting the filter screen, and the second collecting box side of the filter screen is inserted with an insertion block.

[0011] Further, the outer side of the insertion block is fixedly connected with a connecting rope, and the other end of the connecting rope is fixedly connected to the second collecting box.

[0012] Further, the bottom of the second collecting box is a slope, and a sunken groove is arranged directly below the insertion hole.

[0013] Compared with the prior art, the beneficial effects of the utility model lie in:

[0014] The utility model discloses, through the cooperation of vacuum pump, temporary storage pipe and air pump, the lubricating oil of the embossed belt material after being adsorbed by vacuum oil absorption roller and the lubricating oil of the second collecting box can be collected, and the efficiency is higher than that of manual collection. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall simple schematic diagram of the utility model.

[0016] Figure 2 It is the sectional view schematic diagram of the second collecting box in the utility model.

[0017] Figure 3 It is the sectional view schematic diagram of the second collecting box in the utility model.

[0018] Fig. 1, vacuum pump;2, temporary storage pipe;3, first pipeline;4, first electromagnetic valve;5, second pipeline;6, second electromagnetic valve;7, first collecting box;8, air pump;9, third pipeline;10, third electromagnetic valve;11, second collecting box;12, supporting block;13, filter screen;14, insertion block;15, connecting rope;16, slope;17, sunken groove;18, vacuum oil absorption roller;19, insertion hole;20, fourth electromagnetic valve. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer to Figures 1-3 , a cold rolling mill oil suction roller vacuum pump automatic oil discharge device, wherein the surface of the vacuum oil suction roller 18 is usually provided with soft adsorbent material for adsorbing lubricating oil, a squeezing roller is arranged at the lower end of the vacuum oil suction roller 18 for squeezing the vacuum oil suction roller 18, and the squeezed lubricating oil can flow into the second collecting tank 11, thereby being discharged by the vacuum pump automatic oil discharge device. The structure of the above cold rolling mill belongs to the prior art, and will not be described in detail in this application. In this application, the vacuum pump automatic oil discharge device includes a vacuum pump 1, the vacuum pump 1 is connected to a temporary storage pipe 2, the temporary storage pipe 2 is connected to a first pipeline 3, one end of the first pipeline 3 away from the temporary storage pipe 2 is divided into two ways, one way is inserted into the second collecting tank 11 located at the lower end of the vacuum oil suction roller 18, and the other way is connected to the vacuum oil suction roller 18, and the other way is provided with a fourth electromagnetic valve 4. The temporary storage pipe 2 is connected to a second pipeline 5, and a first collecting tank 7 is arranged at one end of the second pipeline 5 away from the temporary storage pipe 2. The first pipeline 3 is connected to a third pipeline 9, one end of the third pipeline 9 away from the first pipeline 3 is connected to an air pump 8, and the second pipeline 5 and the third pipeline 9 are respectively provided with a second electromagnetic valve 6 and a third electromagnetic valve 10, thereby replacing manual oil discharge.

[0021] Specifically, the second collecting tank 11 is detachably provided with a filter screen 13, the upper end of the filter screen 13 is further provided with a handle, and the filter screen 13 is provided with a insertion hole 19 for the first pipeline 3 to pass through. The first pipeline 3 above the second collecting tank 11 is a hose, which can be directly pulled out of the insertion hole 19 when the filter screen 13 is detached, without interfering with the disassembly of the filter screen 13. The hose can be inserted into the bottom of the second collecting tank 11 for oil extraction.

[0022] Specifically, the inner side of the second collecting tank 11 is fixedly connected with a support block 12 for supporting the filter screen 13, and the side of the second collecting tank 11 on the filter screen 13 is inserted with an insertion block 14. When installing the filter screen 13, place the filter screen 13 on the support block 12, and then insert the insertion block 14 into the upper surface of the filter screen 13 to limit the filter screen 13.

[0023] Specifically, in order to prevent the insertion block 14 from being lost, a connecting rope 15 is fixedly connected to the outer side of the insertion block 14, and the other end of the connecting rope 15 is fixedly connected to the second collecting tank 11.

[0024] Specifically, in order to make it more convenient to extract lubricating oil, the bottom of the second collecting tank 11 is provided with a slope 16, and a sunken groove 17 is arranged directly below the insertion hole 19, so that the end of the hose is located in the sunken groove 17 for oil extraction.

[0025] Working principle: the whole process is divided into two steps, the first step is oil extraction, and the second step is oil discharge:

[0026] The valves for removing oil from the vacuum oil suction roller 18 are as follows: First, close the first solenoid valve 4, the second solenoid valve 6, and the third solenoid valve 10, and then open the fourth solenoid valve 20.

[0027] The valves for removing oil from the second collection tank 11 are as follows: First, close the fourth solenoid valve 20, the second solenoid valve 6, and the third solenoid valve 10, and then open the first solenoid valve 4.

[0028] If it is necessary to extract oil from the second collection box 11 and the vacuum oil suction roller 18 at the same time, first close the second solenoid valve 6 and the third solenoid valve 10, and open the first solenoid valve 4.

[0029] Then start vacuum pump 1. Vacuum pump 1 extracts the air from temporary storage tube 2, thereby creating a negative pressure inside temporary storage tube 2, so that lubricating oil enters temporary storage tube 2 through first pipe 3.

[0030] Oil draining procedure: First, close the fourth solenoid valve 20, the first solenoid valve 4 and the vacuum pump 1, open the third solenoid valve 10 and the second solenoid valve 6, start the air pump 8, and the air pump 8 delivers gas to the temporary storage tube 2 through the third pipe 9, so that high pressure is generated in the temporary storage tube 2, thereby forcing the lubricating oil in the temporary storage tube 2 to flow into the first collection box 7 through the second pipe 5.

[0031] for Figure 1 The location of the structure in the attached diagram is for reference only. Users can set the specific location themselves. In addition, all electronic components in this application are existing electronic components. This application does not change their wiring method or circuit structure. They all belong to the prior art and will not be described in detail in this application.

[0032] The above are merely preferred embodiments of this utility model and are not intended to limit this utility model. The scope of patent protection of this utility model shall be determined by the claims. Similarly, any equivalent structural changes made based on the description and drawings of this utility model shall also be included within the scope of protection of this utility model.

Claims

1. An automatic oil discharging device for a vacuum pump of an oil suction roll of a cold rolling mill, comprising a vacuum pump, characterized in that: The vacuum pump is communicated with a temporary storage pipe, the temporary storage pipe is communicated with a first pipe, one end of the first pipe away from the temporary storage pipe is divided into two ways, one way is inserted into a second collecting box at the lower end of the vacuum oil suction roller, the way is provided with a first electromagnetic valve, the other way is connected with the vacuum oil suction roller, the way is provided with a fourth electromagnetic valve, the temporary storage pipe is communicated with a second pipe, a first collecting box is arranged at one end of the second pipe away from the temporary storage pipe, a third pipe is communicated with the first pipe, one end of the third pipe away from the first pipe is communicated with an air pump, the second pipe and the third pipe are respectively provided with a second electromagnetic valve and a third electromagnetic valve.

2. The automatic oil discharging device for the oil suction roll vacuum pump of a cold rolling mill according to claim 1, characterized in that: The second collecting box is detachably provided with a filter screen, the filter screen is provided with a hole for the first pipe to pass through, the first pipe above the second collecting box is a hose, and the hose can be inserted into the bottom of the second collecting box.

3. The automatic oil discharge device for the oil suction roll vacuum pump of a cold rolling mill according to claim 2, characterized in that: The inner side of the second collecting box is fixedly connected with a supporting block for supporting the filter screen, and the second collecting box side of the filter screen is inserted with an insertion block.

4. The automatic oil discharge device of the oil suction roll vacuum pump of a cold rolling mill according to claim 3, characterized in that: The outer side of the insertion block is fixedly connected with a connecting rope, and the other end of the connecting rope is fixedly connected to the second collecting box.

5. The automatic oil discharge device for the oil suction roll vacuum pump of a cold rolling mill according to claim 2, characterized in that: The bottom of the second collecting box is a slope, and a sunken groove is arranged directly below the hole.

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