阅读说明：本技术 一种预处理凃硼二次稳压装置 (Pretreatment coating boron secondary pressure stabilizing device ) 是由 徐方流 刘世军 张安峰 丁玉生 黄俊伟 于 2019-09-10 设计创作，主要内容包括：本发明提出一种预处理凃硼二次稳压装置,采用二次减压的方式来控制气压,空压气首先通过原有的减压阀,把气压控制在一定范围,再连接到储气罐上,从其顶部引出气管,通过一个小量程调压阀,经二次减压把气压控制在一个较小的数值,最后以电磁阀控制气动阀的开关,即控制吹扫空压气的开关。本发明通过在现有设备上加装储气罐、二次稳压装置及其配套设备,实现空压气吨耗得到了下降,精确控制涂硼吹扫气压,提高钢丝表面涂层质量,提升了拉拔效果,从而提高了产品质量。(The invention provides a secondary pressure stabilizing device for pretreating boron coating, which adopts a secondary pressure reduction mode to control air pressure, wherein the air pressure is controlled in a certain range through an original pressure reducing valve and then is connected to a gas storage tank, an air outlet pipe is led out from the top of the gas storage tank, the air pressure is controlled in a smaller value through secondary pressure reduction through a small-range pressure regulating valve, and finally, a solenoid valve is used for controlling the on-off of a pneumatic valve, namely, the on-off of the air pressure is controlled. According to the invention, the air storage tank, the secondary pressure stabilizing device and the matched equipment thereof are additionally arranged on the existing equipment, so that the ton consumption of air pressure is reduced, the boron-coated blowing air pressure is accurately controlled, the quality of a steel wire surface coating is improved, the drawing effect is improved, and the product quality is improved.)

1. The utility model provides a preliminary treatment coating boron secondary pressure stabilizing device, includes tracheal joint and air-vent valve, the air-vent valve is used for adjusting atmospheric pressure in the tracheal joint and produces high pressurized air source, its characterized in that: a secondary pressure reducing device is connected behind the pressure regulating valve and comprises an air storage tank, an air inlet valve, an electromagnetic valve, a pneumatic valve, a small-range pressure regulating valve, an air outlet pipe and an air outlet valve; the high-pressure air source is directly connected with the air storage tank through the air inlet valve, the high-pressure air source is also directly connected with the electromagnetic valve, the electromagnetic valve is connected with the pneumatic valve and used for controlling the on-off of the pneumatic valve, the pneumatic valve is installed at the top of the air storage tank, the pneumatic valve is connected with a small-range pressure regulating valve, the small-range pressure regulating valve is used for secondarily regulating the air pressure in the air storage tank, the small-range pressure regulating valve is connected with the air outlet pipe, and the air outlet pipe is used for purging; the exhaust valve is installed at the bottom of the air storage tank.

2. The secondary pressure stabilization device for pretreating boron nitride as claimed in claim 1, wherein: the high-pressure air source is directly connected with the air storage tank, and the air storage tank is kept in a full air pressure state and the air pressure is kept between 0.12 and 0.15 MPa.

3. The secondary pressure stabilization device for pretreating boron nitride as claimed in claim 1, wherein: the electromagnetic valve is connected with the machine tool and is controlled by the machine tool to be switched on and off.

4. The secondary pressure stabilization device for pretreating boron nitride as claimed in claim 1, wherein: the small-range pressure regulating valve is used for secondary pressure stabilization and controls the purging pressure of the air outlet pipe to be 0.05 MPa.

5. The secondary pressure stabilization device for pretreatment of boron nitride as claimed in claim 4, wherein: the range of the small-range pressure regulating valve is 0.25 MPa.

6. The secondary pressure stabilization device for pretreating boron nitride as claimed in claim 5, wherein: and a pressure gauge for displaying pressure values is arranged on the small-range pressure regulating valve.

7. The secondary pressure stabilization device for pretreating boron nitride as claimed in claim 1, wherein: the gas holder is cylindrical gas holder, the diameter of gas holder is 400mm, and the height is 1000 mm.

8. The secondary pressure stabilization device for pretreating boron nitride as claimed in claim 1, wherein: the blowdown valve is used for periodically discharging water vapor and impurities in the gas storage tank.

Technical Field

The invention relates to the technical field of steel cord production, in particular to a secondary pressure stabilizing device for pretreating boron coating.

Background

The steel cord is a thin steel strand or rope which is made of high-quality high-carbon steel, has brass plated on the surface and has special purposes. The rubber composite material is mainly used for car tires, light truck tires, heavy truck tires, engineering machinery vehicle tires, airplane tires and other rubber product framework materials. The radial ply tire manufactured by adopting the steel cord as the reinforcing material has the advantages of long service life, high driving speed, puncture resistance, good elasticity, safety, comfort, fuel saving and the like.

In the production process of the steel cord, a uniform borax layer needs to be coated on the surface of a wire rod for facilitating better drawing of a steel wire on a continuous drawing machine and a rough drawing machine, the uniform borax layer is used as a carrier of lubricating powder in the drawing process, the blowing and sweeping effect in a pretreatment boron coating groove is that when the steel wire passes through the boron coating groove, the surface of the steel wire can be covered with a layer of borax liquid after high-temperature heating, and high-pressure air blows away the accumulated borax liquid at the lower end of the steel wire with too many steel wires on the surface of the steel wire through blowing and sweeping, so that the borax layer is uniform on the surface of the steel wire, and.

Blowing in the boron coating groove in pretreatment at present is to connect high-pressure air into a pressure regulating valve through an air pipe joint, directly enter a blown air cavity, blow the steel wire, enable the high-pressure air to enter a funnel-shaped cavity through an air inlet hole of an outer sleeve, form a fully-surrounded air film through a ring-shaped air blowing opening with a small opening to blow the surface of the steel wire, and blow off redundant boron sand liquid accumulated on the steel wire in the boron coating groove. However, because the machine tool is started and stopped, the high-pressure air pressure is easy to fluctuate, and constant pressure cannot be realized, so that the purging effect is not ideal, the thickness of the borax liquid layer on the surface of the steel wire is suddenly thick and suddenly thin, and the coating effect influences the drawing of the steel wire. Meanwhile, the boron-coated purging pressure is always in a high-pressure state, so that the waste of air pressure and gas is serious.

Disclosure of Invention

The invention aims to provide a secondary pressure stabilizing device for pretreating boron coating, which solves the problems that the high-pressure gas pressure is easy to fluctuate due to the starting and stopping of a machine tool, the thickness of a borax liquid layer on the surface of a steel wire is suddenly thick and suddenly thin, the steel wire drawing is influenced due to poor coating effect, and the air pressure waste is serious due to the fact that the boron coating blowing pressure is always in a high-pressure state.

In order to achieve the purpose, the invention adopts the following technical scheme:

A secondary pressure stabilizing device for pretreating boron-coated products comprises a gas pipe joint and a pressure regulating valve, wherein the pressure regulating valve is used for regulating gas pressure in the gas pipe joint and generating a high-pressure gas source, and is connected with a secondary pressure reducing device behind the pressure regulating valve, and the secondary pressure reducing device comprises a gas storage tank, a gas inlet valve, a solenoid valve, a pneumatic valve, a small-range pressure regulating valve, a gas outlet pipe and a gas outlet valve; the high-pressure air source is directly connected with the air storage tank through the air inlet valve, the high-pressure air source is also directly connected with the electromagnetic valve, the electromagnetic valve is connected with the pneumatic valve and used for controlling the on-off of the pneumatic valve, the pneumatic valve is installed at the top of the air storage tank, the pneumatic valve is connected with a small-range pressure regulating valve, the small-range pressure regulating valve is used for secondarily regulating the air pressure in the air storage tank, the small-range pressure regulating valve is connected with the air outlet pipe, and the air outlet pipe is used for purging; the exhaust valve is installed at the bottom of the air storage tank.

Preferably, the high-pressure air source is directly connected with the air storage tank, and the air storage tank is kept in a full air pressure state and the air pressure is kept between 0.12 and 0.15 MPa.

Preferably, the electromagnetic valve is connected with the machine tool and is controlled by the machine tool to be switched on and off

Preferably, the small-range pressure regulating valve is used for secondary pressure stabilization, and the small-range pressure regulating valve controls the purging pressure of the air outlet pipe to be 0.05 MPa.

Still preferably, the range of the small-range pressure regulating valve is 0.25 MPa.

Preferably, a pressure gauge for displaying pressure values is arranged on the small-range pressure regulating valve.

still preferably, the gas holder is cylindrical, and the diameter of gas holder is 400mm, and the height is 1000 mm.

Still preferably, the blowoff valve is used for periodically discharging the moisture and the impurities in the gas storage tank.

The invention adopts a secondary pressure reduction mode to control the air pressure, the air pressure is firstly controlled in a certain range through an original pressure reduction valve and then is connected to an air storage tank, an air outlet pipe is led out from the top of the air storage tank, the air pressure is controlled in a smaller value through a small-range pressure regulating valve and secondary pressure reduction, and finally, the switch of a pneumatic valve is controlled by an electromagnetic valve, namely, the switch of the air blowing air pressure is controlled. The improved air tank has good use effect, the air tank plays the roles of stabilizing air pressure and separating water vapor, the small-range pressure reducing valve is more convenient for accurately controlling boron-coated blowing air pressure, the boron-coated coating is more uniform, the air consumption of air pressure is reduced a little, the quality of the steel wire surface coating is improved, the drawing effect is improved, and the product quality is improved.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings. Wherein:

fig. 1 is a schematic structural diagram of a secondary pretreatment boron coating pressure stabilizing device according to an embodiment of the present invention.

Detailed Description

The characteristics, the working principle and the advantages of the secondary pretreatment coating boron pressure stabilizing device are detailed as follows by combining the attached drawings:

Referring to fig. 1, the pretreatment coating boron secondary pressure stabilizing device comprises a gas pipe joint and a pressure regulating valve, wherein the pressure regulating valve is used for regulating the gas pressure in the gas pipe joint and generating a high-pressure gas source 8, the pressure regulating valve is used for carrying out primary pressure reduction treatment on the gas pressure in the gas pipe joint and generating the high-pressure gas source 8 after primary pressure reduction, and a secondary pressure reducing device is further connected behind the pressure regulating valve and comprises a gas storage tank 1, a gas inlet valve 2, a solenoid valve 3, a pneumatic valve 4, a small-range pressure regulating valve 5, a gas outlet pipe 6 and a gas; the high-pressure gas source 8 is directly connected with the gas storage tank 1 through the gas inlet valve 2, the high-pressure gas source 8 is also directly connected with the electromagnetic valve 3, the electromagnetic valve 3 is connected with the pneumatic valve 4 and used for controlling the on-off of the pneumatic valve 4, the pneumatic valve 4 is installed at the top of the gas storage tank 1, the pneumatic valve 4 is connected with the small-range pressure regulating valve 5, the small-range pressure regulating valve 5 is used for performing secondary regulation on the gas pressure in the gas storage tank 1, the small-range pressure regulating valve 5 is connected with the gas outlet pipe; the exhaust valve 7 is arranged at the bottom of the air storage tank 1.

The air pressure is controlled by adopting a secondary pressure reduction mode, the air pressure is firstly reduced through an original pressure reducing valve and then is connected to the air storage tank 1, and the air storage tank is filled with the air pressure all the time, so that the stability of the pressure can be ensured. The high-pressure gas in the gas holder 1 is subjected to secondary decompression through a small-range pressure regulating valve 5 by a top gas outlet pipe of the gas holder 1, the gas outlet pipe at the top of the gas holder 1 is further connected with a pneumatic valve 4, and the pneumatic valve 4 is used for controlling the on-off of the high-pressure gas in the gas holder 1. High pressurized gas source 8 after once decompression is except directly connecting gas holder 1, still directly connect solenoid valve 3, solenoid valve 3 links to each other with pneumatic valve 4, solenoid valve 3 can control the break-make of high pressurized gas source 8 that directly links with it, thereby control pneumatic valve 4's break-make, pneumatic valve 4 can also control break-make and the flow of high pressurized gas in the gas holder 1 when receiving solenoid valve 3 control switch, open as pneumatic valve 4, high pressurized gas in the gas holder 1 carries out the secondary pressure regulating through trachea to small-scale air-vent valve 5, and discharge in the outlet duct 6, play and sweep the effect.

In a preferred embodiment, the high-pressure air source 8 is directly connected with the air storage tank 1, and the high-pressure air pressure is easy to fluctuate due to the starting and stopping of a machine tool, so that the thickness of the borax liquid layer on the surface of the steel wire is suddenly thick and suddenly thin, the coating effect is poor, and the steel wire drawing is influenced. After the high-pressure air source 8 is directly connected with the air storage tank 1, the air storage tank 1 is full of air pressure all the time, the pressure in the tank can be guaranteed to be stable, and the borax liquid on the surface of the steel wire can be sprayed uniformly. The pressure of the air storage tank is kept between 0.12 and 0.15 MPa.

In another preferred embodiment, the electromagnetic valve 3 is connected with a machine tool, the switch of the electromagnetic valve 3 is controlled by the working state of the machine tool, the high-pressure air pressure is easy to fluctuate due to the starting and stopping of the machine tool, the thickness of the liquid layer of the borax on the surface of the steel wire is changed, the coating effect is poor, the drawing of the steel wire is influenced, the on-off of the electromagnetic valve is controlled according to the starting and stopping conditions of the machine tool after the machine tool is connected with the electromagnetic valve 3, the on-off of the high-pressure air source 8 is controlled, the on-off of the pneumatic valve 4 can be further controlled, the on-off of the pneumatic valve 4 is directly related to the working state of the machine tool, and the on-off of.

In another preferred embodiment, the small-range pressure regulating valve 5 is used for performing secondary pressure stabilization on the high-pressure air in the air storage tank 1 and controlling the purging pressure to be 0.05 MPa. The small-range pressure reducing valve 5 is more convenient for accurately controlling boron-coated blowing air pressure, so that a boron-coated coating is more uniform, and the air pressure consumption is reduced a little. Further, the small-range pressure regulating valve 5 has a range of 0.25MPa, and can accurately control the air pressure to 0.05 MPa. The small-range pressure regulating valve 5 is provided with a pressure gauge for displaying pressure values, so that the pressure values after secondary pressure regulation can be displayed, operators can adjust the blowing pressure conveniently, and the pressure values are controlled to be 0.05 MPa.

In a preferred embodiment, the gas storage tank 1 is a cylindrical gas storage tank, the diameter of the gas storage tank 1 is 400mm, the height of the gas storage tank 1 is 1000mm, the gas storage tank 1 has the functions of stabilizing air pressure and separating water vapor, and the blow-off valve 7 is positioned right below the gas storage tank 1 and can periodically discharge the water vapor and impurities in the gas storage tank 1.

The invention adopts a secondary pressure reduction mode to control the air pressure, the air pressure is firstly controlled in a certain range through an original pressure reduction valve and then is connected to an air storage tank, an air outlet pipe is led out from the top of the air storage tank, the air pressure is controlled in a smaller value through a small-range pressure regulating valve and secondary pressure reduction, and finally, the switch of a pneumatic valve is controlled by an electromagnetic valve, namely, the switch of the air blowing air pressure is controlled. The improved air tank has good use effect, the air tank plays the roles of stabilizing air pressure and separating water vapor, the small-range pressure reducing valve is more convenient for accurately controlling boron-coated blowing air pressure, the boron-coated coating is more uniform, the air consumption of air pressure is reduced a little, the quality of the steel wire surface coating is improved, the drawing effect is improved, and the product quality is improved.

the present invention is not limited to the embodiments described above, and those skilled in the art may make modifications or changes within the scope of the disclosure without departing from the spirit of the present invention, so that the scope of the present invention is defined by the appended claims.