阅读说明：本技术 一种结晶器油气润滑控制系统及方法 (Crystallizer oil-gas lubrication control system and method ) 是由 刘涛 佟宝帅 孙光帅 于 2019-12-19 设计创作，主要内容包括：本发明涉及一种结晶器油气润滑控制系统及方法,属于铝棒铸造技术领域。该系统包括控制系统、油滑系统和气滑系统,该系统控制方法为：S1在气滑管路上安装压力传感器,检测气滑压力；S2在油滑管路上安装压力传感器,检测油滑压力；S3控制系统读取服务器数据库的油气润滑配方,并根据实时检测的气滑压力和油滑压力判断是否开始铸造。本发明将生产每种规格铝合金所需的参数统一存储在计算机服务器中,并封装为各种配方,在铸造开始前,通过控制系统的自动选择功能选择所需的配方,从而解决了每次铸造前人工手动对润滑系统的设置操作,减少了错误的发生频次。同时,因为计算机数据库技术的引入,使得铸造工艺的可视化、可追溯性更强。(The invention relates to a crystallizer oil-gas lubrication control system and method, and belongs to the technical field of aluminum bar casting. The system comprises a control system, an oil-lubricating system and an air-lubricating system, and the control method of the system comprises the following steps: s1, installing a pressure sensor on the air sliding pipeline to detect air sliding pressure; s2, installing a pressure sensor on the oil slide pipeline to detect the oil slide pressure; and the S3 control system reads the oil-gas lubricating formula of the server database and judges whether to start casting according to the air-slip pressure and the oil-slip pressure detected in real time. The invention stores the parameters needed by producing aluminum alloy of each specification in a computer server in a unified way, packages the parameters into various formulas, and selects the needed formula through the automatic selection function of the control system before casting, thereby solving the problem of manual setting operation of the lubricating system before casting each time and reducing the occurrence frequency of errors. Meanwhile, due to the introduction of a computer database technology, the visualization and traceability of the casting process are stronger.)

1. A crystallizer oil-gas lubrication control method is characterized by comprising the following steps:

s1: a pressure sensor I is arranged on the air sliding pipeline to detect air sliding pressure;

s2: a pressure sensor II is arranged on the oil sliding pipeline to detect the oil sliding pressure;

s3: and the control system reads the oil-gas lubricating formula of the server database and judges whether to start casting according to the air-slip pressure and the oil-slip pressure detected in real time.

2. The crystallizer oil-gas lubrication control method as claimed in claim 1, wherein the working steps of the control system are as follows:

1) entering a casting machine formula selection interface, and searching for an available formula;

2) selecting a required formula, confirming whether the formula is correct or not, and if so, performing pre-detection; otherwise, feeding back to a technician for developing a formula;

3) checking whether each actuating mechanism works normally, and if so, starting casting by the crystallizer; otherwise, checking the equipment, and then repeating the step 1).

3. The crystallizer oil-gas lubrication control method as claimed in claim 2, wherein the formula is stored in a server database and comprises oil quantity, oil pressure, oil temperature, air pressure and gas quantity required for producing each specification of aluminum alloy.

4. The crystallizer oil-gas lubrication control method according to claim 2, wherein in the step 3), the checking whether each executing mechanism works normally specifically comprises: and judging whether the pressure of the gas slide pipeline and the oil slide equipment is normal or not.

5. The crystallizer oil-gas lubrication control method as claimed in claim 1, wherein the lubrication period, pressure and on-off time of the oil-gas lubrication can be finely adjusted within a certain range after the casting system reaches a stable casting state.

6. A crystallizer oil-gas lubrication control system is characterized by comprising a control system, an oil-slip system and an air-slip system; the control system is connected with the oil-lubricating system and the gas-lubricating system, and the operation of the casting pan crystallizer is controlled by controlling the oil-lubricating system and the gas-lubricating system.

7. The crystallizer oil-gas lubrication control system as claimed in claim 6, wherein the gas-slip system comprises a gas-slip device and a pressure sensor I; the air sliding equipment comprises an air sliding pipeline and a proportional valve; the pressure sensor I is arranged on the air sliding pipeline and used for detecting the air sliding pressure of the air sliding pipeline; the pressure sensor I is connected with the control system, and the control system adjusts the proportional valve according to the air slip pressure collected by the pressure sensor I, so that the air output of the air slip pipeline is controlled.

8. The crystallizer oil-gas lubrication control system as claimed in claim 7, wherein the oil-gas lubrication system comprises an oil-gas lubrication device, an oil pump motor and a pressure sensor II; the oil pump motor is arranged on the oil sliding equipment and provides oil supply power for the oil sliding equipment; the pressure sensor II is arranged on an oil slide pipeline of the oil slide equipment and used for detecting the oil slide pressure of the oil slide pipeline; and the pressure sensor II is connected with a control system, and the control system adjusts the rotating speed of the oil pump motor according to the oil sliding pressure acquired by the pressure sensor II.

9. The crystallizer oil-gas lubrication control system as claimed in claim 8, wherein the control system comprises a data server, an industrial personal computer, a PLC system and an oil-gas lubrication I/O interface which are connected in sequence;

the input end of the oil-gas lubrication I/O interface is connected with a PLC system, the output end of the oil-gas lubrication I/O interface is respectively connected with the oil-lubricating equipment and the gas-lubricating equipment, and the PLC system adjusts the oil supply rate of the oil-lubricating equipment and the gas supply rate of the gas-lubricating equipment according to the gas-lubricating pressure acquired by the pressure sensor I and the oil-lubricating pressure acquired by the pressure sensor II;

the data server is used for storing an oil-gas lubricating formula and parameters required by manufacturing of aluminum alloy of each specification;

the industrial personal computer is used for providing an operation interface and selecting an air lubrication formula.

Technical Field

The invention belongs to the technical field of aluminum bar casting, and relates to a crystallizer oil-gas lubrication control system and method.

Background

In the early aluminum alloy casting process, because the specification of the cast aluminum alloy is single, parameters such as oil pressure, oil quantity, air pressure, air quantity and the like of the lubricating oil of the crystallizer are manually adjusted. In recent years, aluminum alloy casting machines can cast aluminum alloys with various specifications, casting parameters can be changed according to process requirements, and the phenomenon of complicated operation or wrong operation can occur when the lubricating parameters of the crystallizer are continuously adjusted by the prior method.

At present, the casting parameters are mainly adjusted manually by operators, certain errors exist, and the workload is large. Therefore, a control system capable of intelligently controlling and adjusting the lubrication parameters of the crystallizer is needed, so as to realize efficient and accurate aluminum bar casting.

Disclosure of Invention

In view of this, the present invention provides a crystallizer oil-gas lubrication control system and method, which solves the problem of manual setting operation of a lubrication system before each casting, and reduces the occurrence frequency of errors, thereby improving the casting precision and efficiency.

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

a crystallizer oil-gas lubrication control method specifically comprises the following steps:

s1: a pressure sensor I is arranged on the air sliding pipeline to detect air sliding pressure;

s2: a pressure sensor II is arranged on the oil sliding pipeline to detect the oil sliding pressure;

s3: and the control system reads the oil-gas lubricating formula of the server database and judges whether to start casting according to the air-slip pressure and the oil-slip pressure detected in real time.

Further, the control system comprises the following working steps:

1) entering a casting machine formula selection interface, and searching for an available formula;

2) selecting a required formula, confirming whether the formula is correct or not, and if so, performing pre-detection; otherwise, feeding back to a technician for developing a formula;

3) checking whether each actuating mechanism works normally, and if so, starting casting by the crystallizer; otherwise, checking the equipment, and then repeating the step 1).

Further, the formula is stored in a server database and comprises oil quantity, oil pressure, oil temperature, air pressure and air quantity required for producing each specification of aluminum alloy.

Further, in step 3), the checking whether each executing mechanism works normally specifically includes: and judging whether the pressure of the gas slide pipeline and the oil slide equipment is normal or not.

Further, after the casting system reaches a stable casting state, the lubrication period, pressure and switching time of oil-gas lubrication can be finely adjusted within a certain range.

A crystallizer oil-gas lubrication control system comprises a control system, an oil-gas lubrication system and an air-gas lubrication system; the control system is connected with the oil-lubricating system and the gas-lubricating system, and the operation of the casting pan crystallizer is controlled by controlling the oil-lubricating system and the gas-lubricating system.

Further, the air slide system comprises air slide equipment and a pressure sensor I; the air sliding equipment comprises an air sliding pipeline and a proportional valve; the pressure sensor I is arranged on the air sliding pipeline and used for detecting the air sliding pressure of the air sliding pipeline; the pressure sensor I is connected with the control system, and the control system adjusts the proportional valve according to the air slip pressure collected by the pressure sensor I, so that the air output of the air slip pipeline is controlled.

Further, the oil lubricating system comprises oil lubricating equipment, an oil pump motor and a pressure sensor II; the oil pump motor is arranged on the oil sliding equipment and provides oil supply power for the oil sliding equipment; the pressure sensor II is arranged on an oil slide pipeline of the oil slide equipment and used for detecting the oil slide pressure of the oil slide pipeline; and the pressure sensor II is connected with a control system, and the control system adjusts the rotating speed of the oil pump motor according to the oil sliding pressure acquired by the pressure sensor II.

Further, the control system comprises a data server, an industrial personal computer, a PLC system and an oil-gas lubrication I/O interface which are sequentially connected;

the input end of the oil-gas lubrication I/O interface is connected with a PLC system, the output end of the oil-gas lubrication I/O interface is respectively connected with the oil-lubricating equipment and the gas-lubricating equipment, and the PLC system adjusts the oil supply rate of the oil-lubricating equipment and the gas supply rate of the gas-lubricating equipment according to the gas-lubricating pressure acquired by the pressure sensor I and the oil-lubricating pressure acquired by the pressure sensor II;

the data server is used for storing an oil-gas lubricating formula and parameters (including oil quantity, oil pressure, oil temperature, air pressure, air quantity and the like) required by manufacturing of aluminum alloy of each specification;

the industrial personal computer is used for providing an operation interface and selecting an air lubrication formula.

The invention has the beneficial effects that: the invention designs and manufactures an oil-gas lubrication subsystem, which integrates the computer database technology, uniformly stores parameters such as oil quantity, oil pressure, oil temperature, air pressure, air quantity and the like required by producing aluminum alloy of each specification in a computer server, packages the parameters into various formulas, and selects the required formula through the automatic selection function of a control system before casting starts, thereby solving the problem of setting and operating the lubrication system manually before casting each time and reducing the occurrence frequency of errors. Meanwhile, due to the introduction of a computer database technology, the whole process monitoring of research and development, management and production of a factory can be realized, so that the casting process is more visual and traceable.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of an oil-gas lubrication control system according to the present invention;

FIG. 2 is a block diagram of an air slide system;

FIG. 3 is a block diagram of the oil system;

FIG. 4 is a schematic control flow chart of the control system of the present invention;

reference numerals: the device comprises a gas slide pipeline 1, a pressure sensor I, a pressure sensor 3, a proportional valve 4, an oil slide motor 5 and a pressure sensor II.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Referring to fig. 1 to 4, the oil-gas lubrication control system of the crystallizer according to the present invention comprises a control system, an oil-slip system and an air-slip system, wherein the control system is connected to the oil-slip system and the air-slip system, and the oil-slip system and the air-slip system are controlled to control the operation of the cast plate crystallizer.

As shown in fig. 2, the air slide system comprises air slide equipment and a pressure sensor i 2; the air sliding equipment comprises an air sliding pipeline 1 and a proportional valve 3; the pressure sensor I is arranged on the air sliding pipeline and used for detecting the air sliding pressure of the air sliding pipeline; the pressure sensor I is connected with the control system, and the control system adjusts the proportional valve according to the air slip pressure collected by the pressure sensor I, so that the air output of the air slip pipeline is controlled.

As shown in fig. 3, the oil lubricating system comprises an oil lubricating device, an oil pump motor 4 and a pressure sensor ii 5; the oil pump motor is arranged on the oil sliding equipment and provides oil supply power for the oil sliding equipment; the pressure sensor II is arranged on an oil slide pipeline of the oil slide equipment and used for detecting the oil slide pressure of the oil slide pipeline; and the pressure sensor II is connected with a control system, and the control system adjusts the rotating speed of the oil pump motor according to the oil sliding pressure acquired by the pressure sensor II.

The structure of the preferable embodiment of the oil-gas lubrication control system of the crystallizer specifically comprises the following steps:

1): the Air pressure controller of the Air-sliding system adopts 1 set of porting Air proportional valve to control the Air-sliding Air pressure, and 1 high-precision pressure sensor (porting Air DSBIX00ZP140PSGA) is installed on an Air-sliding pipeline and used for detecting the Air-sliding Air pressure.

2): the oil slide system mainly adopts a 0.25kW oil pump motor and a park pressure sensor (SCP01-100-3-4-07) for oil slide oil supply and pressure detection;

3): and the control system reads the oil-gas lubricating formula of the server database and judges whether to start casting according to the air-slip pressure and the oil-slip pressure detected in real time.

Wherein, the PLC hardware of the control system uses 5069CPU of AB, 1794IO module and the industrial computer of the lapacho UNO series, and the computer database server adopts a lapacho IPC610H industrial computer. The computer database adopts SQL2008 software.

As shown in fig. 4, the oil-air lubrication process comprises: entering a casting machine formula selection screen → finding an available formula → selecting a required formula → automatically verifying the formula → confirming the use → pre-detection (checking whether each actuator works normally) → starting casting.

In the interface for searching the formula, the control system reads the oil-gas lubricating formula in the server database, and the formulas are input into the database system by technicians before, so that the phenomenon of formula error caused by misoperation of field operators can be avoided, and the formula can be verified whether to be correct or not by the formula verification function. Through the functions, the error occurrence probability in the oil-gas lubrication process of the crystallizer is greatly reduced;

adjusting oil-gas lubrication parameters: after the casting system reaches a stable casting state, parameters such as the lubricating period, the pressure, the switching time and the like of oil-gas lubrication can be finely adjusted within a certain range.

The embodiment of the invention aims to accurately and automatically control the oil quantity, the oil pressure, the air quantity and the air pressure of oil-gas lubrication in the aluminum alloy casting process and reduce errors and errors caused by manual adjustment of operators. And complete production data entry is provided for technicians to upgrade the existing crystallizer lubrication parameters. Complete transmission of the lubricating parameters of the crystallizer from top to bottom is completed through a computer database technology.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.