CN215908188U

CN215908188U - Spraying device for machine tool hydraulic system

Info

Publication number: CN215908188U
Application number: CN202121986524.4U
Authority: CN
Inventors: 岳文起; 齐先庆; 王忠革; 马庆英; 张景天; 许红; 冯平; 张欢
Original assignee: Dalian Shipbuilding Industry Co Ltd
Current assignee: Dalian Shipbuilding Industry Co Ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-25
Anticipated expiration: 2031-08-23

Abstract

A spraying device for a machine tool hydraulic system comprises an overflow valve, wherein one end of the overflow valve is connected with a guide pipe extending upwards, a three-way joint is fixed at the top of the guide pipe, the top of the guide pipe is connected with an inlet of the three-way joint, two outlets of the three-way joint are respectively connected with one end of a spraying cooling pipe, the other end of the spraying cooling pipe is in a closed state, two rows of spraying holes are formed in the surface of the spraying cooling pipe, and the two rows of spraying holes are arranged in a vertically staggered mode. The cooling device is simple in structure, can effectively utilize peripheral resources, and achieves the effect of cooling return oil in the system.

Description

Spraying device for machine tool hydraulic system

Technical Field

The utility model relates to the field of ship construction and design, in particular to a spraying device capable of cooling oil in a machine tool hydraulic system in a ship.

Background

The machine tool needs to frequently change the running direction during working, the running speed adjustment range is large, the overflow amount of the overflow valve is increased in the working process, and the working requirement can be met. The hydraulic system generates a large amount of heat under the conditions of high pressure, frequent reversing, large flow and long-time working, the oil temperature is continuously increased by the heat, so that the temperature of the whole hydraulic system is increased, internal leakage occurs when part of hydraulic elements are at high temperature, the working pressure is reduced, a machine tool cannot work normally, and the service life of the hydraulic elements is shortened. According to the utility model, the overflow of the overflow valve of the machine tool hydraulic system is effectively utilized, and the spray cooling device in the machine tool hydraulic system is invented, so that the machine tool equipment can work normally and efficiently.

Disclosure of Invention

In order to solve the problems, the utility model provides a spraying device for a machine tool hydraulic system, which aims to achieve the purpose of cooling return oil by utilizing a self system and the surrounding environment, and adopts the technical scheme that:

a spraying device for a machine tool hydraulic system comprises an overflow valve, wherein one end of the overflow valve is connected with a guide pipe extending upwards, a three-way joint is fixed at the top of the guide pipe, the top of the guide pipe is connected with an inlet of the three-way joint, two outlets of the three-way joint are respectively connected with one end of a spraying cooling pipe, one end of the spraying cooling pipe, which is far away from the three-way joint, is in a closed state, two rows of spraying holes are formed in the surface of the spraying cooling pipe, and the two rows of spraying holes are arranged in a vertically staggered mode.

The return oil flows into the guide pipe upwards under the action of the overflow valve, flows into the spray cooling pipe through the guide pipe, one end of the spray cooling pipe, which is far away from the three-way joint, is sealed, the return oil cannot flow out from the end part of the spray cooling pipe, flows out through the spray holes and generates heat exchange with air, the return oil flows out from the spray cooling pipe, the temperature of the return oil is reduced in the air, and the return oil with the reduced temperature falls into the return oil tank positioned below the spray cooling pipe. The return oil is subjected to heat exchange in the air to generate steam, and the steam is discharged through a process hole above the machine tool.

The spraying device for the hydraulic system of the machine tool is characterized in that the spraying cooling pipe is fixed on the inner wall of the machine tool main body through a fixing piece.

According to the spraying device for the hydraulic system of the machine tool, furthermore, an included angle of 30 degrees is formed between the two rows of spraying holes. Two rows of spraying holes are formed in one spraying cooling pipe, the two rows of spraying holes are arranged in a vertically staggered mode, 30-degree included angles formed by the two rows of spraying holes can enable oil returning flowing out of the spraying holes to be distributed in a cooling space in a staggered and uniform mode, the space can be effectively utilized, and the cooling effect is better.

In the spraying device for the hydraulic system of the machine tool, further, the outlet of the three-way joint is connected with the spraying cooling pipe through an elbow. The elbow is used for connecting the spray cooling pipes and the three-way joint, so that the two spray cooling pipes can be ensured to be parallel to each other, and the internal space of the machine tool can be effectively utilized.

In the spraying device for the hydraulic system of the machine tool, furthermore, the number of the spraying cooling pipes is two, and two spraying cooling pipes are arranged in parallel.

The spraying device for the hydraulic system of the machine tool is characterized in that the fixing piece is a semicircular fixing ring, the fixing ring is used for buckling the spraying cooling pipe, and screws penetrate through two ends of the fixing ring and are fixed on the inner wall of the machine tool main body through the screws.

According to the spraying device for the hydraulic system of the machine tool, furthermore, return oil flowing through the overflow valve enters the spraying cooling pipe through the guide pipe, flows out of the spraying hole and falls into the oil return box below the spraying cooling pipe.

The utility model has the beneficial effects that:

1. the utility model effectively utilizes the original structure, keeps the integrity of the original machine tool equipment and keeps the function of the original machine tool unchanged.

2. The utility model can determine the length of the spray cooler according to the actual effective space of the machine tool and determine the number of the spray cooling devices according to the flow of the hydraulic system.

3. By adding the spray cooling device, the oil temperature of the hydraulic system is effectively controlled, the normal work of the machine tool is ensured, and the starting rate of the machine tool is improved;

4. by adding the spray cooling device, the temperature rise of the hydraulic system is controlled, the internal leakage of the hydraulic part is reduced, and the service life of the hydraulic part is prolonged;

5. the spray cooling device is additionally arranged in the machine tool, the overflow valve return oil is utilized for cooling, external kinetic energy is not needed, the capital is saved, the field is saved, and the spray cooling device is green, energy-saving and environment-friendly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a spray cooling tube;

wherein: 1-conduit, 2-overflow valve, 3-elbow, 4-three-way joint, 5-spray hole, 6-spray cooling pipe and 7-fixing piece.

Detailed Description

Example 1

The utility model is further explained with reference to the drawings.

As shown in figure 1, the spraying device for the hydraulic system of the machine tool is characterized in that an overflow valve 2 is arranged in the machine tool, the outlet of the overflow valve is connected with a conduit 1, and the conduit is vertically arranged and extends upwards. One end of the conduit, which is far away from the overflow valve, is communicated with a main pipe opening of a T-shaped three-way joint 4, two branch pipe openings of the three-way joint are respectively connected with a spray cooling pipe 6, and one end of the spray cooling pipe, which is far away from the three-way joint, is sealed. The branch pipe mouth of the three-way joint is connected with the spray cooling pipes through the elbow 3, and the two spray cooling pipes are parallel to each other and fixed on the inner wall of the machine tool main body through the fixing piece. Two rows of spraying holes are formed in the surface of each spraying cooling pipe, the two rows of spraying holes are staggered up and down, and the upper spraying hole and the lower spraying hole form an included angle of 30 degrees (as shown in figure 2). The return oil flows through the overflow valve, enters the spray cooling pipe through the guide pipe and the three-way joint, flows out through the spray hole, exchanges heat with external air, and then falls into an oil return tank (not shown in the figure) positioned below the spray cooling pipe.

The cooling device is simple in structure, can effectively utilize peripheral resources, and achieves the effect of cooling return oil in the system.

Claims

1. A spray set for a machine tool hydraulic system, characterized in that: the device comprises an overflow valve (2), wherein one end of the overflow valve is connected with a guide pipe (1) which extends upwards, a three-way joint (4) is fixed at the top of the guide pipe, the top of the guide pipe is connected with an inlet of the three-way joint, two outlets of the three-way joint are respectively connected with one end of a spray cooling pipe (6), one end of the spray cooling pipe, which is far away from the three-way joint, is in a closed state, two rows of spray holes (5) are formed in the surface of each spray cooling pipe, and the two rows of spray holes are arranged in a vertically staggered mode.

2. The spray device for the hydraulic system of the machine tool according to claim 1, characterized in that: the spray cooling pipe is fixed on the inner wall of the machine tool main body through a fixing piece (7).

3. The spray device for the hydraulic system of the machine tool according to claim 1, characterized in that: and an included angle of 30 degrees is formed between the two rows of spraying holes.

4. The spray device for the hydraulic system of the machine tool according to claim 1, characterized in that: the outlet of the three-way joint is connected with the spray cooling pipe through an elbow (3).

5. The spray device for the hydraulic system of the machine tool according to claim 1, characterized in that: the spraying cooling pipes are two, and the two spraying cooling pipes are arranged in parallel.

6. The spray device for the hydraulic system of the machine tool according to claim 2, characterized in that: the fixing part is a semicircular fixing ring, the fixing ring is buckled on the spray cooling pipe, screws penetrate through two ends of the fixing ring, and the fixing ring is fixed on the inner wall of the machine tool main body through the screws.

7. The spray device for the hydraulic system of the machine tool according to claim 1, characterized in that: the return oil flowing through the overflow valve enters the spray cooling pipe through the guide pipe, flows out of the spray hole and falls into an oil return box positioned below the spray cooling pipe.